/* ================================================
   Tailored Tail - Premium Pet Apparel
   ================================================ */

/* ================================================
   リセット＆基本設定
   ================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット */
    --color-primary: #2C2C2C;
    --color-secondary: #8B8B8B;
    --color-accent: #C19A6B;
    --color-gold: #C19A6B;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F8F8F8;
    --color-text: #2C2C2C;
    --color-text-light: #666666;
    --color-border: #E5E5E5;
    
    /* エイリアス（既存ページとの互換性のため） */
    --primary: var(--color-primary);
    --accent: var(--color-accent);
    --bg-light: var(--color-bg-alt);
    --text-light: var(--color-text-light);
    --border-color: var(--color-border);
    
    /* タイポグラフィ */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Cormorant Garamond', serif;
    --font-japanese: 'Noto Sans JP', sans-serif;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;
    
    /* トランジション */
    --transition-base: all 0.3s ease;
    --transition-slow: all 0.6s ease;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary), var(--font-japanese);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ================================================
   コンテナ
   ================================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
    /* 確実に表示されるように */
    opacity: 1 !important;
    visibility: visible !important;
}

/* ================================================
   NEWSバナー
   ================================================ */

.news-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1002;
    background: #4f3e2a;
    color: white;
    padding: 0.75rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.news-banner.hidden {
    transform: translateY(-100%);
}

.news-banner-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
}

.news-label {
    background-color: var(--color-gold);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 3px;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
}

.news-text {
    font-family: var(--font-japanese);
    font-weight: 400;
    letter-spacing: 0.05em;
}

.news-text-link {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.news-text-link:hover {
    opacity: 0.8;
}

.news-close {
    position: absolute;
    right: 1rem;
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0.5rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.news-close:hover {
    opacity: 1;
}

/* ================================================
   ナビゲーション
   ================================================ */

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    /* フォールバック: backdrop-filterが使えない場合の背景色 */
    background-color: rgba(255, 255, 255, 0.95);
    /* Safari用のベンダープレフィックス */
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: top 0.3s ease;
}

.main-nav.with-banner {
    top: 56px;
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text);
    position: relative;
    cursor: pointer;
}

.nav-dropdown-toggle::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

.nav-dropdown-toggle:hover::after,
.nav-dropdown.open .nav-dropdown-toggle::after {
    width: 100%;
}

.nav-submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: all 0.2s ease;
    z-index: 1000;
}

.nav-dropdown:hover .nav-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown.open .nav-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-submenu li {
    list-style: none;
}

.nav-submenu a {
    display: block;
    padding: 8px 16px;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: none;
    color: var(--color-text);
}

.nav-submenu a:hover {
    background: rgba(0, 0, 0, 0.04);
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-icons {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-icon {
    color: var(--color-primary);
    position: relative;
}

.nav-icon:hover {
    color: var(--color-accent);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--color-primary);
    color: white;
    font-size: 0.7rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ================================================
   ヒーローセクション
   ================================================ */

/* ================================================
   ヒーローセクション
   ================================================ */

.hero {
    position: relative;
    height: 80vh;
    min-height: 600px;
    max-height: 900px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-media {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-media.active {
    opacity: 1;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-image img,
.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

/* PC表示時は上部（頭）を優先的に表示 */
@media (min-width: 769px) {
    .hero-image img,
    .hero-media img {
        object-position: center 30%;
    }
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(0,0,0,0.4));
    z-index: 5;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 2rem;
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: clamp(3rem, 8vw, 3rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-family: var(--font-japanese);
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: white;
    opacity: 0.8;
}

.scroll-indicator span {
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, white, transparent);
    animation: scrollAnimation 2s infinite;
}

@keyframes scrollAnimation {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(20px);
    }
}

/* ================================================
   ボタン
   ================================================ */

.btn-primary {
    display: inline-block;
    padding: 1rem 3rem;
    background-color: white;
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-primary:hover {
    background-color: var(--color-accent);
    color: white;
    transform: translateY(-2px);
}

.btn-secondary {
    display: inline-block;
    padding: 1rem 3rem;
    background-color: transparent;
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--color-primary);
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: white;
}

.link-underline {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 5px;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-primary);
}

.link-underline:hover {
    color: var(--color-accent);
}

.link-underline:hover::after {
    background-color: var(--color-accent);
}

/* ================================================
   セクション共通
   ================================================ */

.section-title {
    font-family: var(--font-secondary);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 400;
    letter-spacing: 0.03em;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.section-subtitle {
    font-family: var(--font-japanese);
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: 3rem;
}

.section-description {
    font-size: 1.2rem;
    font-weight: 400;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.lead-text {
    font-size: 1.3rem;
    font-weight: 400;
    line-height: 1.9;
    margin-bottom: 2rem;
    color: var(--color-text);
}

.body-text {
    font-size: 1rem;
    line-height: 1.9;
    margin-bottom: 1.5rem;
    color: var(--color-text-light);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ================================================
   ストーリープレビュー
   ================================================ */

.story-preview {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg);
}

.story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.story-text {
    padding-right: var(--spacing-lg);
}

.story-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

/* ================================================
   特徴セクション
   ================================================ */

.features {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-alt);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md);
}

.feature-icon {
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.feature-title {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.feature-description {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* ================================================
   ホーム差し込みセクション（Latest Collection直上）
   ================================================ */

.home-insert-sections {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg);
}

.home-insert-section {
    margin-bottom: var(--spacing-xl);
}

.home-insert-section-title {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--color-text);
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
    line-height: 1.5;
}



/* Notice Bar Template */
.home-insert-notice-bar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

/* 画像がある場合は全幅表示 */
.home-insert-notice-bar .home-insert-notice-item:has(.home-insert-notice-image-wrapper) {
    max-width: 100%;
    padding: 0;
    background-color: transparent;
    border-left: none;
    border-radius: 0;
}

.home-insert-notice-item {
    background-color: var(--color-bg-alt);
    padding: var(--spacing-md) var(--spacing-lg);
    border-left: 4px solid var(--color-accent);
    border-radius: 4px;
}

/* 横長バナー画像用スタイル */
.home-insert-notice-image-wrapper {
    width: 100%;
    margin-bottom: var(--spacing-md);
}

.home-insert-notice-image-wrapper:last-child {
    margin-bottom: 0;
}

.home-insert-notice-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    object-fit: cover;
}

.home-insert-notice-image-link {
    display: block;
    transition: opacity 0.3s ease;
}

.home-insert-notice-image-link:hover {
    opacity: 0.9;
}

.home-insert-notice-item p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text);
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
}

.home-insert-notice-link {
    color: var(--color-accent);
    text-decoration: underline;
    transition: opacity 0.3s ease;
}

.home-insert-notice-link:hover {
    opacity: 0.8;
}


/* Notice Bar Template *
.home-insert-notice-bar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.home-insert-notice-item {
    background-color: var(--color-bg-alt);
    padding: var(--spacing-md) var(--spacing-lg);
    border-left: 4px solid var(--color-accent);
    border-radius: 4px;
}

.home-insert-notice-item p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text);
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
}

.home-insert-notice-link {
    color: var(--color-accent);
    text-decoration: underline;
    transition: opacity 0.3s ease;
}

.home-insert-notice-link:hover {
    opacity: 0.8;
}
*/



/* Cards Template */
/* Cards template: image-only grid layout (Instagram画像対応: 4:5縦長) */
.home-insert-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 900px) {
    .home-insert-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }
}

@media (max-width: 520px) {
    .home-insert-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
        gap: 20px;
    }
}

.home-insert-card {
    display: block;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.home-insert-card:hover {
    transform: translateY(-4px);
    opacity: 0.95;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.home-insert-card-image {
    position: relative;
    width: 100%;
    /* 古いSafari用のフォールバック（padding-bottom方式） */
    height: 0;
    padding-bottom: 125%; /* 4:5 = 125% */
    /* Instagram対応: 4:5縦長アスペクト比 (1080x1350) */
    aspect-ratio: 4 / 5;
    object-fit: cover;
    display: block;
    border-radius: 12px;
    overflow: hidden;
}

.home-insert-card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

/* Banner Template */
.home-insert-banner {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    border-radius: 8px;
    overflow: hidden;
}

.home-insert-banner-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.home-insert-banner-content {
    padding: var(--spacing-xl);
    background-color: var(--color-bg-alt);
    text-align: center;
}

.home-insert-banner-title {
    font-family: var(--font-secondary);
    font-size: 1.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
    line-height: 1.5;
}

.home-insert-banner-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    text-align: left;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
}

/* リッチテキストのインラインスタイル（色など）を優先的に反映 */
.home-insert-banner-text [style*="color"],
.home-insert-rich-text-content [style*="color"],
.home-insert-notice-item [style*="color"] {
    /* インラインスタイルの色をそのまま使用 */
}

.home-insert-banner-text [style*="background-color"],
.home-insert-rich-text-content [style*="background-color"],
.home-insert-notice-item [style*="background-color"] {
    /* インラインスタイルの背景色をそのまま使用 */
}

.home-insert-banner-link {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-accent);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.home-insert-banner-link:hover {
    background-color: var(--color-primary);
}

/* Rich Text Template */
.home-insert-rich-text {
    max-width: 800px;
    margin: 0 auto;
}

.home-insert-rich-text-block {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.home-insert-rich-text-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.home-insert-rich-text-title {
    font-family: var(--font-secondary);
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
    line-height: 1.5;
}

.home-insert-rich-text-content {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
}

.home-insert-rich-text-link {
    display: inline-block;
    color: var(--color-accent);
    text-decoration: underline;
    font-size: 0.95rem;
    transition: opacity 0.3s ease;
}

.home-insert-rich-text-link:hover {
    opacity: 0.8;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .home-insert-section-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-md);
    }
    
    .home-insert-banner-title {
        font-size: 1.5rem;
    }
    
    .home-insert-banner-text {
        font-size: 0.9rem;
    }
    
    .home-insert-rich-text-title {
        font-size: 1.25rem;
    }
    
    .home-insert-rich-text-content {
        font-size: 0.9rem;
    }
    
    .home-insert-notice-item p {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .home-insert-section-title {
        font-size: 1.15rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .home-insert-banner-title {
        font-size: 1.15rem;
    }
    
    .home-insert-banner-text {
        font-size: 0.85rem;
    }
    
    .home-insert-rich-text-title {
        font-size: 1.1rem;
    }
    
    .home-insert-rich-text-content {
        font-size: 0.85rem;
    }
    
    .home-insert-notice-item p {
        font-size: 0.8rem;
    }
}

/* ================================================
   コレクションプレビュー
   ================================================ */

.collection-preview {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg);
    /* 確実に表示されるように */
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative;
    z-index: 1;
    min-height: 200px;
}

.collection-preview.is-hidden {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}

/* コレクションプレビューラッパー */
.collection-preview-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* ナビゲーションボタン */
.collection-nav-btn {
    position: relative;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--color-border, #DEB887);
    color: var(--color-text, #222);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.collection-nav-btn:hover {
    background-color: var(--color-bg, #fff);
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.collection-nav-btn:active {
    transform: scale(0.95);
}

.collection-nav-btn.hidden {
    display: none;
}

/* コレクショングリッドラッパー */
.collection-grid-wrapper {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.collection-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    /* 確実に表示されるように */
    opacity: 1 !important;
    visibility: visible !important;
    min-height: 200px; /* 最低限の高さを確保 */
    transition: transform 0.3s ease;
}

/* スマホ: 常に横スクロール */
/* スマホ: 常に横スクロール */
@media (max-width: 968px) {
    .collection-preview-wrapper {
        gap: 0;
        position: relative;
        width: 100%;
    }
    
    .collection-nav-btn {
        width: 40px;
        height: 40px;
        position: absolute;
        z-index: 20;
        top: 50%;
        transform: translateY(-50%);
    }
    
    .collection-nav-prev {
        left: 0.5rem;
    }
    
    .collection-nav-next {
        right: 0.5rem;
    }
    
    .collection-preview-wrapper .collection-grid-wrapper {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
        scrollbar-width: none; /* Firefox */
        -ms-overflow-style: none; /* IE/Edge */
        position: relative;
        width: 100%;
        scroll-snap-type: x mandatory;
        touch-action: pan-x; /* 横スクロールのみ許可 */
    }
    
    .collection-preview-wrapper .collection-grid-wrapper::-webkit-scrollbar {
        display: none; /* Chrome/Safari */
    }
    
    .collection-preview-wrapper .collection-grid {
        display: flex;
        grid-template-columns: none;
        gap: 1rem;
        padding: 0;
        width: max-content;
        align-items: flex-start;
    }
    
    .collection-preview-wrapper .collection-grid .collection-item {
        flex: 0 0 calc(100vw - 4rem);
        max-width: calc(100vw - 4rem);
        min-width: calc(100vw - 4rem);
        scroll-snap-align: center;
    }
    
    /* 最初と最後の商品の前に余白を追加して中央配置を実現 */
    .collection-preview-wrapper .collection-grid::before {
        content: '';
        flex: 0 0 2rem;
        min-width: 2rem;
    }
    
    .collection-preview-wrapper .collection-grid::after {
        content: '';
        flex: 0 0 2rem;
        min-width: 2rem;
    }
}
/* PC: 商品数が画面幅を超える場合のみ横スクロール（JavaScriptで制御） */
@media (min-width: 969px) {
    .collection-preview-wrapper.collection-scrollable .collection-grid-wrapper {
        overflow-x: auto;
        overflow-y: hidden;
        scroll-behavior: smooth;
        scrollbar-width: thin;
        scrollbar-color: var(--color-border, #DEB887) transparent;
    }
    
    .collection-preview-wrapper.collection-scrollable .collection-grid-wrapper::-webkit-scrollbar {
        height: 8px;
    }
    
    .collection-preview-wrapper.collection-scrollable .collection-grid-wrapper::-webkit-scrollbar-track {
        background: transparent;
    }
    
    .collection-preview-wrapper.collection-scrollable .collection-grid-wrapper::-webkit-scrollbar-thumb {
        background-color: var(--color-border, #DEB887);
        border-radius: 4px;
    }
    
    .collection-preview-wrapper.collection-scrollable .collection-grid {
        display: flex;
        grid-template-columns: none;
        width: max-content;
        gap: 2rem;
    }
    
    .collection-preview-wrapper.collection-scrollable .collection-item {
        flex: 0 0 auto;
        width: calc((100vw - 12rem) / 4);
        min-width: calc((100vw - 12rem) / 4);
        max-width: calc((100vw - 12rem) / 4);
    }
    
    .collection-preview-wrapper:not(.collection-scrollable) .collection-nav-btn {
        display: none;
    }
    
    .collection-preview-wrapper.collection-scrollable .collection-nav-btn {
        position: relative;
    }
}

/* プロモーションカード（Perro Collection風の高級なアパレルブランド風の画像） */
.collection-promotion-card {
    grid-column: span 2; /* 2列分を占有 */
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    height: 298px; /* 商品カードと同じ高さ */
    display: flex;
    flex-direction: column;
}

.collection-promotion-card .promotion-link {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.collection-promotion-card .promotion-image {
    position: relative;
    width: 100%;
    height: 298px; /* 商品カードと同じ高さ */
    overflow: hidden;
    flex-shrink: 0; /* 高さを固定 */
}

.collection-promotion-card .promotion-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.collection-promotion-card:hover .promotion-image img {
    transform: scale(1.05);
}

.collection-promotion-card .promotion-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.3) 50%, transparent 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.collection-promotion-card .promotion-title {
    font-family: var(--font-secondary, 'Cormorant Garamond', serif);
    font-size: 2.5rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin: 0;
    color: #fff;
    line-height: 1.2;
}

.collection-promotion-card .promotion-subtitle {
    font-family: var(--font-primary, 'Noto Sans JP', sans-serif);
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
}

.collection-promotion-card .promotion-button {
    display: inline-block;
    padding: 0.8rem 2.5rem;
    background: #fff;
    color: #222;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid #fff;
    margin-top: 0.5rem;
    transition: background 0.3s ease, color 0.3s ease;
    width: fit-content;
}

.collection-promotion-card:hover .promotion-button {
    background: transparent;
    color: #fff;
}

/* 横長プロモーションバナー */
.collection-banners {
    padding: 0;
    margin: 0 0 3rem 0;
    width: 100%;
}

.collection-banner-container {
    grid-column: 1 / -1;
    width: 100%;
    margin-bottom: 3rem;
    padding: 0;
}

.collection-grid .collection-banner-container {
    grid-column: 1 / -1;
}

.collection-banner {
    width: 100%;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    min-height: 400px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
}

.collection-banner .banner-link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
    position: relative;
}

.collection-banner .banner-image {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 400px;
    overflow: hidden;
}

.collection-banner .banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s ease;
}

.collection-banner:hover .banner-image img {
    transform: scale(1.05);
}

.collection-banner .banner-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4rem 3rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.collection-banner .banner-title {
    font-family: var(--font-secondary, 'Cormorant Garamond', serif);
    font-size: 3rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin: 0;
    color: #fff;
    line-height: 1.2;
}

.collection-banner .banner-subtitle {
    font-family: var(--font-primary, 'Noto Sans JP', sans-serif);
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    margin: 0;
    color: rgba(255, 255, 255, 0.95);
    text-transform: uppercase;
}

.collection-banner .banner-button {
    display: inline-block;
    padding: 1rem 3rem;
    background: #fff;
    color: #222;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid #fff;
    margin-top: 0.5rem;
    transition: background 0.3s ease, color 0.3s ease;
    width: fit-content;
    cursor: pointer;
}

.collection-banner:hover .banner-button {
    background: transparent;
    color: #fff;
}

@media (max-width: 768px) {
    .collection-banner {
        min-height: 300px;
    }
    
    .collection-banner .banner-overlay {
        padding: 2.5rem 1.5rem;
    }
    
    .collection-banner .banner-title {
        font-size: 2rem;
    }
    
    .collection-banner .banner-subtitle {
        font-size: 0.9rem;
    }
}

/* Collectionページの商品カード（提示HTML構造に準拠、スコープをcollection-pageに限定） */
/* 理想の1枚目のカードUIに合わせる */
/* トップページのコレクションセクションにも同じスタイルを適用 */
.collection-page .collection-item,
.collection-preview .collection-item,
#productsGrid .collection-item,
#topCollectionSection .collection-item {
    display: block;
    text-decoration: none;
    border: 2px solid var(--color-border, #DEB887);
    border-radius: 6px;
    overflow: hidden;
    background: var(--color-bg, #fff);
    color: var(--color-text, #222);
    transition: var(--transition-base);
    /* AOSアニメーション用: 初期状態は非表示（opacity: 0は[data-aos]で設定される） */
    visibility: visible !important;
    /* ホバー時の浮き挙動の最適化 */
    will-change: transform;
}

/* AOSアニメーションが適用された後の状態 */
.collection-page .collection-item.aos-animate,
.collection-preview .collection-item.aos-animate {
    opacity: 1 !important;
}

.collection-page .collection-image,
.collection-preview .collection-image {
    position: relative;
    overflow: hidden;
    margin-bottom: 0; /* 下の帯と繋げる */
    /* 古いSafari用のフォールバック（padding-bottom方式） */
    height: 0;
    padding-bottom: 125%; /* 4:5 = 5/4 = 125% */
    /* モダンブラウザ用 */
    aspect-ratio: 4 / 5; /* 縦長寄り（1枚目の比率に合わせる） */
    background: var(--color-bg, #fff);
    /* 高さ0問題を絶対に潰す */
    min-height: 200px; /* aspect-ratioが使えない環境に備えて */
    /* 確実に表示されるように */
    display: block;
    opacity: 1 !important;
    visibility: visible !important;
}

/* 画像のhover切替（既存定義を活かす） */
.collection-page .collection-image__img,
.collection-page .collection-image img,
.collection-preview .collection-image__img,
.collection-preview .collection-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    /* 確実に表示されるように */
    visibility: visible !important;
    /* 画像が確実に表示されるように */
    max-width: 100%;
    max-height: 100%;
}

.collection-page .collection-image__img--default,
.collection-preview .collection-image__img--default {
    position: relative;
    opacity: 1;
    z-index: 1;
    transition: opacity 0.3s ease, transform var(--transition-slow);
}

.collection-page .collection-image__img--hover,
.collection-preview .collection-image__img--hover {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    z-index: 2;
    transition: opacity 0.3s ease;
    /* ホバー画像は絶対配置で重ねる */
    width: 100%;
    height: 100%;
}

/* ホバー時の画像切り替えはJavaScriptで制御するため、CSSのhoverは無効化 */
/* .collection-page .collection-item:hover .collection-image__img--default {
    opacity: 0;
    transform: scale(1.05);
}

.collection-page .collection-item:hover .collection-image__img--hover {
    opacity: 1;
} */

.collection-page .collection-overlay,
.collection-preview .collection-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent; /* 初期状態で透明 */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 5; /* imgより上、badgeより下 */
    pointer-events: none; /* 通常時はクリックを妨げない */
}

.collection-page .collection-item:hover .collection-overlay,
.collection-preview .collection-item:hover .collection-overlay {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.3); /* hover時のみ半透明背景 */
    pointer-events: auto; /* hover時のみクリック可能 */
}

.collection-page .view-details,
.collection-preview .view-details,
#productsGrid .view-details,
#topCollectionSection .view-details {
    color: var(--color-bg); /* 白（テーマ変数） */
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.8rem 2rem;
    border: 1px solid var(--color-bg); /* 白（テーマ変数） */
    background-color: transparent;
    transition: var(--transition-base);
}

/* 商品アイテムにカーソルが当たったとき: View Detailsは白背景・黒文字 */
.collection-page .collection-item:hover .view-details,
.collection-preview .collection-item:hover .view-details,
#productsGrid .collection-item:hover .view-details,
#topCollectionSection .collection-item:hover .view-details {
    background-color: var(--color-bg); /* 白背景 */
    color: var(--color-text); /* 黒文字 */
    border-color: var(--color-bg); /* 白ボーダー */
}

/* View Detailsボタンに直接カーソルが当たったとき: 背景#C19A6B、文字白 */
/* より具体的なセレクタで、商品アイテムホバー時のスタイルを上書き */
.collection-page .collection-item:hover .view-details:hover,
.collection-preview .collection-item:hover .view-details:hover,
#productsGrid .collection-item:hover .view-details:hover,
#topCollectionSection .collection-item:hover .view-details:hover,
.collection-page .view-details:hover,
.collection-preview .view-details:hover,
#productsGrid .view-details:hover,
#topCollectionSection .view-details:hover {
    background-color: #C19A6B; /* イメージカラー */
    color: var(--color-bg); /* 白文字 */
    border-color: #C19A6B; /* イメージカラーボーダー */
}

/* 下の情報エリア（統一された高さ） */
.collection-page .collection-info,
.collection-preview .collection-info {
    padding: 14px 14px 16px;
    display: flex;
    flex-direction: column;
    /* 高さを固定して統一感を出す */
    height: 100px;
    /* 長いテキストでも背景色が統一されるように */
    overflow: hidden;
    /* コンテンツを上揃え */
    justify-content: flex-start;
    background-color: #f1efec;
}

.collection-page .collection-name,
.collection-preview .collection-name {
    margin: 0 0 8px;
    color: #817461;
    font-size: 0.95rem;
    line-height: 1.3;
    font-weight: bold;
    letter-spacing: 0.02em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 2.6em;
    transition: color 0.3s ease;
}

/* カーソルがあたった時の商品名の色を白に */
.collection-page .collection-item:hover .collection-name,
.collection-preview .collection-item:hover .collection-name {
    color: #817461;
}

.collection-page .collection-price,
.collection-preview .collection-price {
    margin: 0 0 12px;
    color: #817461;
    font-size: 0.95rem; /* 文字サイズを小さくして統一 */
    /* 確実に表示されるように */
    opacity: 1 !important;
    visibility: visible !important;
    display: block !important;
    /* 高さを固定 */
    min-height: 1.2em;
    transition: color 0.3s ease;
}

/* カーソルがあたった時の金額の色を白に */
.collection-page .collection-item:hover .collection-price,
.collection-preview .collection-item:hover .collection-price {
    color: #817461;
}

/* Collection item: hoverで少し浮かせる（類似商品と同じ挙動） */
.collection-page .collection-item:hover,
.collection-preview .collection-item:hover,
#productsGrid .collection-item:hover,
#topCollectionSection .collection-item:hover {
    transform: translateY(-8px);
}

/* フィルター用の非表示クラス（transformは触らない - hoverを壊さないため） */
.collection-item.is-filter-hidden {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity 0.3s ease;
    /* transform は書かない（hoverを壊す） */
}


/* ================================================
   ページヘッダー
   ================================================ */

.page-header {
    padding: 150px 0 80px;
    text-align: center;
    background-color: var(--color-bg-alt);
}

.page-title {
    font-family: var(--font-secondary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-family: var(--font-japanese);
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
}

/* ================================================
   Aboutページ
   ================================================ */

.about-story {
    padding: var(--spacing-xl) 0;
}

.story-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-image-section {
    padding: var(--spacing-lg) 0;
}

.about-image-wrapper img {
    width: 100%;
    max-height: 700px;
    object-fit: cover;
}

.about-philosophy,
.about-materials,
.about-craftsmanship {
    padding: var(--spacing-xxl) 0;
}

.philosophy-grid,
.materials-grid,
.craftsmanship-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.philosophy-image img,
.materials-image img,
.craftsmanship-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.materials-list {
    list-style: disc;
    list-style-position: inside;
    margin-top: 2rem;
}

.materials-list li {
    font-size: 1rem;
    line-height: 2;
    color: var(--color-text-light);
}

.about-values {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-alt);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.value-item {
    text-align: center;
    padding: var(--spacing-md);
}

.value-title {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.value-description {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

.about-cta {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
}

.cta-text {
    font-family: var(--font-japanese);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--color-text-light);
}

/* ================================================
   コレクションページ
   ================================================ */

.collection-filters {
    padding: 3rem 0;
    background-color: var(--color-bg);
}

/* プロモーションバナーセクション */
.promotion-banner-section {
    padding: 0;
    margin: 0;
    width: 100%;
}

.promotion-banner-container {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.promotion-banner-container .collection-promotion-card {
    grid-column: span 4; /* 全幅を占有 */
    width: 100%;
    min-height: auto;
    height: auto;
}

.promotion-banner-container .collection-promotion-card .promotion-image {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 20%; /* アスペクト比を20%に設定 */
    overflow: hidden;
}

.promotion-banner-container .collection-promotion-card .promotion-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.filters-wrapper {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: none;
    color: var(--color-text-light);
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: var(--transition-base);
    cursor: pointer;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: #C19A6B;
    color: white;
    border-color: #C19A6B;
}

.filter-group {
    margin-bottom: 1.5rem;
}

.filter-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-text);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.price-inputs {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.price-inputs input {
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    width: 120px;
    font-size: 0.9rem;
}

.products-section {
    padding: var(--spacing-lg) 0 var(--spacing-xxl);
    /* 確実に表示されるように */
    opacity: 1 !important;
    visibility: visible !important;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    /* 確実に表示されるように */
    opacity: 1 !important;
    visibility: visible !important;
}

.product-card {
    display: block;
    transition: var(--transition-base);
    background: var(--color-bg);
    padding: 0;
    text-decoration: none;
    color: var(--color-text);
    /* 確実に表示されるように */
    opacity: 1 !important;
    visibility: visible !important;
    position: relative;
    /* カードの外枠: やや太めのボーダー（ベージュ系）、角丸は小さめ */
    border-radius: 2px;
    border: 2px solid var(--color-accent);
    overflow: hidden;
}

.product-image {
    position: relative;
    overflow: hidden;
    margin-bottom: 1rem;
    /* 古いSafari用のフォールバック（padding-bottom方式） */
    height: 0;
    padding-bottom: 133.33%; /* 3:4 = 4/3 = 133.33% */
    /* モダンブラウザ用 */
    aspect-ratio: 3/4;
    background: var(--color-bg-alt);
    min-height: 200px; /* 最小高さを確保（画像が読み込まれる前も枠が表示される） */
    /* 確実に表示されるように */
    opacity: 1 !important;
    visibility: visible !important;
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    display: block;
    /* 画像が確実に表示されるように */
    min-width: 100%;
    min-height: 100%;
    opacity: 1 !important;
    visibility: visible !important;
    z-index: 0;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: transparent; /* 通常時は完全に透明 */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0; /* 通常時は完全に非表示 */
    transition: var(--transition-base);
    pointer-events: none; /* クリックや表示を妨げない */
    z-index: 10; /* hover時のみ前面に */
    /* 通常時は完全に見えないように */
    visibility: hidden;
}

/* hover時のみoverlayを表示 */
.product-card:hover .product-overlay {
    opacity: 1;
    visibility: visible;
    background-color: rgba(0, 0, 0, 0.25); /* hover時のみ半透明背景 */
    pointer-events: auto; /* hover時のみクリック可能 */
}

/* 画像は常に表示される */
.products-grid .product-image img {
    position: relative;
    z-index: 1; /* overlayより前面に（通常時はoverlayが非表示なので問題なし） */
}

.products-grid .product-info {
    position: relative;
    z-index: 1; /* overlayより前面に */
    opacity: 1 !important;
    visibility: visible !important;
}

.quick-view {
    color: var(--color-bg);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.7rem 1.5rem;
    border: 1px solid var(--color-bg);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-card:hover .product-overlay {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.3); /* hover時のみ背景を表示 */
}

.product-name {
    font-size: 1rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
    /* 確実に表示されるように */
    opacity: 1 !important;
    visibility: visible !important;
    color: var(--color-text) !important;
}

.product-price {
    font-size: 0.95rem;
    color: var(--color-text-light);
    /* 確実に表示されるように */
    opacity: 1 !important;
    visibility: visible !important;
}

/* ================================================
   商品カード（新デザイン対応）
   ================================================ */

/* 商品画像メディアコンテナ */
.product-card__media {
    position: relative;
    overflow: hidden;
    /* 古いSafari用のフォールバック（padding-bottom方式） */
    height: 0;
    padding-bottom: 125%; /* 4:5 = 125% */
    /* モダンブラウザ用 */
    aspect-ratio: 4 / 5; /* 縦長寄り（1枚目の比率に合わせる） */
    background: var(--color-bg-alt);
    width: 100%;
}

/* 商品画像（デフォルト・ホバー共通）- product-card__media配下に限定（collection-imageに影響しないように） */
.product-card__media .product-card__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.3s ease;
}

/* デフォルト画像（通常時表示） */
.product-card__media .product-card__img--default {
    opacity: 1;
    z-index: 1;
}

/* ホバー画像（通常時非表示） */
.product-card__media .product-card__img--hover {
    opacity: 0;
    z-index: 2;
}

/* ホバー時の画像切り替え */
.product-card:hover .product-card__media .product-card__img--default {
    opacity: 0;
}

.product-card:hover .product-card__media .product-card__img--hover {
    opacity: 1;
}

/* NEWバッジ（左上、赤背景、白文字、角丸ほぼ無し） */
.product-card__badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: #DC143C; /* 赤背景（既存のproduct-badge-newと同じ） */
    color: var(--color-bg);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 2px; /* 角丸小さめ */
    text-transform: uppercase;
    letter-spacing: 0.1em; /* 文字間隔広め */
    z-index: 10;
    pointer-events: none;
}

/* 商品情報コンテナ（下部濃いグレー帯） */
.product-card__info {
    background: var(--color-primary); /* 濃いグレー（#2C2C2C） */
    padding: 10px 12px; /* 余白を1枚目に寄せる */
    display: flex;
    flex-direction: column;
    gap: 6px; /* 間隔を詰める */
}

/* 商品名（濃いグレー帯でも視認できる色） */
.product-card__name {
    font-size: 1rem;
    font-weight: 400;
    margin-bottom: 0;
    letter-spacing: 0.02em;
    color: var(--color-bg); /* 白（濃いグレー帯でも視認できる） */
    line-height: 1.4;
    /* 1〜2行で省略 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 価格（濃いグレー帯で少し薄い色） */
.product-card__price {
    font-size: 0.95rem;
    color: var(--color-secondary); /* 少し薄いグレー（#8B8B8B） */
    margin: 0;
}

/* 発売開始ボタン（ベージュ枠＋白背景＋文字は濃いめ、四角寄り） */
.product-card__sale-start {
    background: var(--color-bg); /* 白背景 */
    color: var(--color-primary); /* 濃いグレー（文字は濃いめ） */
    border: 1px solid var(--color-accent); /* ベージュ枠 */
    padding: 6px 10px; /* 四角寄り、余白を1枚目に寄せる */
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: 4px; /* 間隔を詰める */
    border-radius: 2px; /* 角丸小さめ */
    font-family: var(--font-japanese);
    /* 内容が空の場合は非表示 */
    display: none;
}

/* 発売開始ボタンに内容がある場合は表示 */
.product-card__sale-start:not(:empty) {
    display: inline-block;
}

/* ================================================
   商品詳細ページ
   ================================================ */

.product-detail {
    padding: 140px 0 4rem;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

.product-layout {
    display: grid;
    grid-template-columns: 55% 45%;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.product-gallery {
    position: sticky;
    top: 120px;
    height: fit-content;
}

.gallery-main {

    position: relative;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    /* ボタンが確実に表示されるように overflow: visible に変更 */
    /* 画像の角丸は .main-image の border-radius で維持 */
    overflow: visible;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    /* 古いSafari用のフォールバック（padding-bottom方式） */
    height: 0;
    padding-bottom: 125%; /* 4:5 = 125% */
    /* モダンブラウザ用 */
    aspect-ratio: 4/5;
}

.main-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    transition: opacity 0.3s ease;
    z-index: 1; /* 画像をボタンの下に配置 */
}

/* ギャラリーナビゲーションボタン */
.gallery-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.6);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 20; /* ボタンを画像より上に配置 */
    transition: all 0.3s ease;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    color: var(--color-primary);
    opacity: 0.5;
}

.gallery-nav-btn:hover {
    background-color: rgba(255, 255, 255, 0.85);
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    opacity: 0.5;
}

.gallery-nav-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.gallery-nav-btn.hidden {
    display: none;
}

.gallery-nav-prev {
    left: 0.75rem;
}

.gallery-nav-next {
    right: 0.75rem;
}

.gallery-nav-btn svg {
    width: 16px;
    height: 16px;
}

.gallery-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.thumbnail {
    position: relative;
    width: 100%;
    /* 古いSafari用のフォールバック（padding-bottom方式） */
    height: 0;
    padding-bottom: 100%; /* 1:1 = 100% */
    /* モダンブラウザ用 */
    aspect-ratio: 1;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-base);
}

.thumbnail.active {
    border-color: var(--color-primary);
}

.thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.thumbnail:hover img {
    transform: scale(1.1);
}

.product-info-section {
    padding: 0 var(--spacing-md);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

.product-sticky {
    position: sticky;
    top: 120px;
}

.product-title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    margin-bottom: 1rem;
}

.product-price-large {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 2rem;
    color: var(--color-text-light);
}

.product-description {
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--color-border);
}

.product-description p {
    font-size: 1rem;
    line-height: 1.9;
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

/* Order suit (right column layout blocks) */
.order-features-section,
.order-process-section,
.order-price-section,
.order-usage-section,
.order-craft-section,
.order-set-section,
.order-delivery-section,
.order-adjustment-section,
.order-campaign-section,
.order-flow-section {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.order-section-title {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    letter-spacing: 0.02em;
}

.order-features-list,
.order-process-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.order-features-list li,
.order-process-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.order-features-list li:last-child,
.order-process-list li:last-child {
    margin-bottom: 0;
}

.feature-icon,
.process-icon {
    font-family: var(--font-secondary);
    font-size: 1.2rem;
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.feature-content,
.process-content {
    flex: 1;
}

.feature-content strong,
.process-content strong {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
    letter-spacing: 0.02em;
}

.feature-content p,
.process-content p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.process-note {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-style: italic;
    margin-top: 0.5rem;
}

.order-process-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.order-price-text {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.order-price-detail {
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.order-price-note {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* 用途リスト */
.order-usage-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.order-usage-list li {
    font-size: 0.95rem;
    line-height: 1.9;
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
}

.order-usage-list li:last-child {
    margin-bottom: 0;
}

/* お仕立てセクション */
.order-craft-content {
    font-size: 0.95rem;
    line-height: 1.9;
    color: var(--color-text-light);
}

.order-craft-content p {
    margin: 0;
}

/* セット内容 */
.order-set-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.order-set-list li {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.order-set-list li:last-child {
    margin-bottom: 0;
}

.set-item-icon {
    font-family: var(--font-secondary);
    font-size: 1.2rem;
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.set-item-content {
    flex: 1;
}

.set-item-content strong {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--color-primary);
    letter-spacing: 0.02em;
}

.set-item-content p {
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin: 0;
}

.set-item-note {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-style: italic;
    display: block;
    margin-top: 0.3rem;
}

/* 納期 */
.order-delivery-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.order-delivery-note {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* 無料お直しサービス */
.order-adjustment-content {
    font-size: 0.95rem;
    line-height: 1.9;
    color: var(--color-text-light);
}

.order-adjustment-content p {
    margin-bottom: 1rem;
}

.order-adjustment-content p:last-child {
    margin-bottom: 0;
}

.order-adjustment-note {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-style: italic;
    margin-top: 0.5rem;
    display: block;
}

.order-adjustment-conditions {
    margin-top: 1.5rem;
    padding: 1.25rem;
    background-color: var(--color-bg-alt);
    border-radius: 4px;
}

.order-adjustment-conditions p {
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 0.75rem;
}

.order-adjustment-conditions p:last-child {
    margin-bottom: 0;
}

.order-adjustment-conditions strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* キャンペーン */
.order-campaign-content {
    font-size: 0.95rem;
    line-height: 1.9;
    color: var(--color-text-light);
}

.order-campaign-content p {
    margin-bottom: 1rem;
}

.order-campaign-content p:last-child {
    margin-bottom: 0;
}

/* オーダーの流れ */
.order-flow-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.order-flow-list li {
    font-size: 0.95rem;
    line-height: 1.9;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
}

.order-flow-list li.flow-arrow {
    text-align: center;
    color: var(--color-accent);
    font-size: 1.2rem;
    font-weight: 500;
    padding: 0.25rem 0;
    margin: 0.5rem 0;
}

.order-flow-list li:last-child {
    margin-bottom: 0;
}

.order-flow-note {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-style: italic;
}

.order-cta {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.order-note {
    margin-top: 1.5rem;
}

/* LINE inquiry button */
.btn-line-inquiry {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 1.5rem;
    background-color: #c19a6b;
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: 4px;
    transition: var(--transition-base);
    text-decoration: none;
    width: 100%;
    max-width: 320px;
}

.btn-line-inquiry:hover {
    background-color: #c19a6b;
    transform: translateY(-2px);
    /*box-shadow: 0 4px 12px rgba(6, 199, 85, 0.3);*/
}

@media (max-width: 768px) {
    /* オーダースーツページのタイトル */
    .product-detail[data-page-type="order-suit"] .product-title {
        font-size: 1.5rem;
        line-height: 1.4;
    }

    /* オーダースーツページの説明文 */
    .product-detail[data-page-type="order-suit"] .product-description p {
        font-size: 0.85rem;
        line-height: 1.7;
    }

    /* セクションタイトル */
    .order-section-title {
        font-size: 1.1rem;
    }

    /* 用途リスト */
    .order-usage-list li {
        font-size: 0.8rem;
        line-height: 1.7;
    }

    /* お仕立て、無料お直し、キャンペーン */
    .order-craft-content,
    .order-adjustment-content,
    .order-campaign-content {
        font-size: 0.8rem;
        line-height: 1.7;
    }

    .order-craft-content p,
    .order-adjustment-content p,
    .order-campaign-content p {
        font-size: 0.8rem;
        line-height: 1.7;
    }

    /* セット内容 */
    .set-item-content strong {
        font-size: 0.85rem;
    }

    .set-item-content p {
        font-size: 0.75rem;
        line-height: 1.6;
    }

    .set-item-note {
        font-size: 0.7rem;
    }

    /* 納期 */
    .order-delivery-text {
        font-size: 0.95rem;
    }

    .order-delivery-note {
        font-size: 0.8rem;
    }

    /* 無料お直しサービス */
    .order-adjustment-note {
        font-size: 0.75rem;
    }

    .order-adjustment-conditions {
        padding: 1rem;
    }

    .order-adjustment-conditions p {
        font-size: 0.8rem;
        line-height: 1.7;
    }

    /* 価格 */
    .order-price-text {
        font-size: 1rem;
    }

    .order-price-detail {
        font-size: 0.9rem;
    }

    .order-price-note {
        font-size: 0.8rem;
        line-height: 1.7;
    }

    /* オーダーの流れ */
    .order-flow-list li {
        font-size: 0.8rem;
        line-height: 1.7;
    }

    .order-flow-list li.flow-arrow {
        font-size: 1rem;
    }

    .order-flow-note {
        font-size: 0.75rem;
    }

    /* その他の要素 */
    .feature-content strong,
    .process-content strong {
        font-size: 0.85rem;
    }

    .feature-content p,
    .process-content p {
        font-size: 0.8rem;
    }

    .process-note {
        font-size: 0.75rem;
    }

    .order-process-note {
        font-size: 0.8rem;
    }

    /* CTAとノート */
    .order-note p {
        font-size: 0.8rem;
    }

    .btn-line-inquiry {
        max-width: none;
        font-size: 0.85rem;
        padding: 0.875rem 1.25rem;
    }
}

/* より小さな画面（480px以下） */
@media (max-width: 480px) {
    .product-detail[data-page-type="order-suit"] .product-title {
        font-size: 1.3rem;
    }

    .product-detail[data-page-type="order-suit"] .product-description p {
        font-size: 0.8rem;
    }

    .order-section-title {
        font-size: 1rem;
    }

    .order-usage-list li,
    .order-flow-list li {
        font-size: 0.75rem;
    }

    .order-craft-content,
    .order-adjustment-content,
    .order-campaign-content {
        font-size: 0.75rem;
    }

    .set-item-content p {
        font-size: 0.7rem;
    }

    .order-price-text {
        font-size: 0.95rem;
    }

    .order-price-note {
        font-size: 0.75rem;
    }
}

.product-option {
    margin-bottom: 2.5rem;
}

.option-title {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.color-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

/* カラーオプションはサイズオプションと同じスタイルを使用 */

.size-options {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.size-option {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    background-color: transparent;
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: var(--transition-base);
}

.size-option.active,
.size-option:hover {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.selected-option {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.size-guide-link {
    font-size: 1.2rem;
    text-decoration: underline;
    color: var(--color-text-light, #666666);
    cursor: pointer;
    transition: var(--transition-base);
    background: none;
    border: none;
    padding: 0;
    margin-top: 1rem;
    display: block;
}

.size-guide-link:hover {
    color: #C19A6B;
}

/* Size Guide Section */
.size-guide-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--color-bg-alt, #F8F8F8);
    border-radius: 8px;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.size-guide-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--color-primary);
    font-family: var(--font-primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.size-guide-content {
    color: var(--color-text);
    font-family: var(--font-japanese);
    font-size: 0.9375rem;
    line-height: 1.8;
    position: relative;
}

.size-guide-content::before {
    content: '※ 横スクロールできます';
    display: block;
    font-size: 0.7rem;
    color: var(--color-text-light);
    font-family: var(--font-japanese);
    text-align: right;
    margin-bottom: 0.5rem;
    padding-right: 0.25rem;
}

.size-guide-table-wrapper {
    overflow-x: auto;
    margin-bottom: 1.25rem;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.size-guide-table {
    width: 100%;
    min-width: 100%;
    border-collapse: collapse;
    background-color: white;
}

.size-guide-table thead {
    background-color: var(--color-bg-alt, #F8F8F8);
}

.size-guide-table th,
.size-guide-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border, #E5E5E5);
    white-space: nowrap;
}

.size-guide-table th {
    font-weight: 600;
    color: var(--color-primary);
    font-family: var(--font-primary);
    font-size: 0.9rem;
}

.size-guide-table td {
    color: var(--color-text);
    font-family: var(--font-japanese);
}

/* 3列以上の場合、最小幅を設定して横スクロールを有効化 */
@media (max-width: 768px) {
    .size-guide-table-wrapper {
        overflow-x: auto;
        width: 100%;
        max-width: 100%;
        margin-left: -1.5rem;
        margin-right: -1.5rem;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    
    .size-guide-content::before {
        padding-right: 1.5rem;
    }
    
    .size-guide-table {
        min-width: 600px; /* スマホでも横スクロール可能にする */
    }
    
    .size-guide-section {
        padding-left: 0;
        padding-right: 0;
    }
}

.size-guide-content p {
    margin: 0.75rem 0;
    color: var(--color-text);
    font-size: 0.9375rem;
    line-height: 1.8;
}

.size-guide-content p:first-of-type {
    margin-top: 0;
}

.size-guide-content p:last-of-type {
    margin-bottom: 0;
}

.size-guide-content .link-underline {
    color: var(--color-accent);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.size-guide-content .link-underline:hover {
    color: var(--color-primary);
}

.size-chart {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background-color: var(--color-bg-alt);
}

.size-chart h4 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.size-chart table {
    width: 100%;
    border-collapse: collapse;
}

.size-chart th,
.size-chart td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}

.size-chart th {
    font-weight: 500;
    background-color: white;
}

.size-chart table {
    margin-bottom: 1rem;
}

.size-guide-images {
    margin-top: 1.5rem;
}

.size-guide-images img {
    max-width: 100%;
    height: auto;
    display: block;
    margin-bottom: 1rem;
    border-radius: 4px;
}

/* Extra Images */
.product-extra-images {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--color-border);
}

.product-extra-images img {
    width: 100%;
    height: auto;
    display: block;
    margin-bottom: 2rem;
    border-radius: 4px;
}

.btn-add-to-cart {
    width: 100%;
    padding: 1.2rem;
    background-color: var(--color-primary);
    color: white;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: var(--transition-base);
    margin-bottom: 2rem;
}

.btn-add-to-cart:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}

.product-details-accordion {
    border-top: 1px solid var(--color-border);
    margin-top: 2rem;
}

.accordion-item {
    border-bottom: 1px solid var(--color-border);
}

.accordion-header {
    width: 100%;
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-base);
    background: none;
    border: none;
    color: var(--color-primary);
    text-align: left;
}

.accordion-header:hover {
    color: var(--color-accent);
}

.accordion-header svg {
    transition: var(--transition-base);
    flex-shrink: 0;
    color: var(--color-primary);
}

.accordion-item.active .accordion-header {
    color: var(--color-accent);
}

.accordion-item.active .accordion-header svg {
    transform: rotate(180deg);
    color: var(--color-accent);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding-bottom 0.3s ease;
    padding: 0;
    padding-bottom: 0;
    margin: 0;
}

.accordion-item.active .accordion-content {
    padding-bottom: 1.5rem;
}

.accordion-content ul {
    list-style: disc;
    list-style-position: inside;
}

.accordion-content li {
    font-size: 0.9rem;
    line-height: 2;
    color: var(--color-text-light);
}

.product-story,
.product-craftsmanship {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-alt);
}

.story-content-wide,
.craftsmanship-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.product-image-showcase {
    padding: var(--spacing-lg) 0;
}

.showcase-image img {
    width: 100%;
    max-height: 800px;
    object-fit: cover;
}

.related-products {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg);
}

.products-grid-small {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

/* ================================================
   フッター
   ================================================ */

.main-footer {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-title {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.footer-text {
    font-size: 0.9rem;
    line-height: 1.8;
    opacity: 0.8;
}

.footer-heading {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    font-size: 0.9rem;
    opacity: 0.8;
    transition: var(--transition-base);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    opacity: 0.8;
    transition: var(--transition-base);
}

.social-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    opacity: 0.7;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a:hover {
    opacity: 1;
}

/* ================================================
   アニメーション（AOS風）
   ================================================ */

[data-aos] {
    opacity: 0;
    /* S3画像のローディング時間をカモフラージュするため、よりゆったりとしたアニメーション */
    transition: opacity 1.8s cubic-bezier(0.2, 0.0, 0.2, 1), transform 1.8s cubic-bezier(0.2, 0.0, 0.2, 1);
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

/* トップページのコレクションアイテム：AOS未初期化時でも確実に表示 */
.collection-preview .collection-item[data-aos="fade-up"]:not(.aos-animate) {
    /* AOSが動作していない場合のフォールバック：少し遅延してから表示 */
    animation: fadeInFallbackUp 0.5s ease-in 0.3s forwards;
}

@keyframes fadeInFallbackUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-aos="fade-left"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

/* ================================================
   レスポンシブデザイン
   ================================================ */

@media (max-width: 1200px) {
    .products-grid,
    .collection-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-bg);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 80px 2rem 2rem;
        gap: 2rem;
        box-shadow: 2px 0 20px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease;
        z-index: 1000;
        transform: translateX(-100%);
        will-change: transform;
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        font-size: 1.2rem;
        padding: 0.5rem 0;
        display: block;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-dropdown-toggle {
        font-size: 1.2rem;
        padding: 0.5rem 0;
        display: block;
        width: 100%;
        text-align: left;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-submenu {
        position: static;
        min-width: 0;
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0.5rem 0 0.5rem 1rem;
        opacity: 0;
        visibility: hidden;
        transform: none;
        display: none;
    }

    .nav-dropdown.open .nav-submenu {
        opacity: 1;
        visibility: visible;
        display: block;
    }

    .nav-submenu a {
        font-size: 1rem;
        padding: 0.25rem 0;
        border-bottom: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 1.9rem;
    }
    
    .story-grid,
    .philosophy-grid,
    .materials-grid,
    .craftsmanship-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .story-text {
        padding-right: 0;
    }
    
    .features-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid,
    .collection-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .collection-promotion-card {
        grid-column: span 2; /* モバイルでも2列分を占有（全幅） */
        min-height: 400px;
    }
    
    .collection-promotion-card .promotion-title {
        font-size: 2rem;
    }
    
    .collection-promotion-card .promotion-overlay {
        padding: 2rem 1.5rem;
    }
    
    .product-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .product-gallery {
        position: static;
    }
    
    .products-grid-small {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .container,
    .container-wide {
        padding: 0 1.5rem;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .hero {
        height: 75vh;
        min-height: 500px;
    }
    
    .hero-title {
        font-size: 1.7rem;
    }
    
    .products-grid,
    .collection-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-thumbnails {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.5rem;
    }
    
    .gallery-nav-btn {
        width: 32px;
        height: 32px;
    }
    
    .gallery-nav-prev {
        left: 0.5rem;
    }
    
    .gallery-nav-next {
        right: 0.5rem;
    }
    
    .gallery-nav-btn svg {
        width: 14px;
        height: 14px;
    }
    
    .product-info-section {
        padding: 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* ================================================
   チャットボット
   ================================================ */

/* チャットボタン（右下固定） */
.chat-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: var(--transition-base);
    z-index: 999;
}

.chat-button:hover {
    background-color: var(--color-accent);
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.chat-button svg {
    color: white;
}

.chat-button.active {
    background-color: var(--color-accent);
}

/* チャットウィンドウ */
.chat-window {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 400px;
    height: 700px;
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 998;
    overflow: hidden;
}

.chat-window.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

/* チャットヘッダー */
.chat-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header-content h3 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.chat-header-content p {
    font-size: 0.85rem;
    opacity: 0.9;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    opacity: 0.8;
}

.chat-close:hover {
    opacity: 1;
    transform: rotate(90deg);
}

/* チャット本体 */
.chat-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background-color: #FAFAFA;
}

/* メッセージ */
.chat-messages {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-message {
    display: flex;
    gap: 12px;
    animation: messageSlideIn 0.3s ease;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
    font-size: 0.9rem;
}

.chat-message.user .message-avatar {
    background-color: var(--color-accent);
}

.message-content {
    max-width: 70%;
    background-color: white;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.95rem;
    line-height: 1.6;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.chat-message.user .message-content {
    background-color: var(--color-primary);
    color: white;
}

.message-time {
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-top: 4px;
    opacity: 0.7;
}

/* Instant Answers */
.instant-answers {
    margin-top: 20px;
}

.instant-answers-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
    text-align: center;
}

.instant-answers-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.instant-answer-btn {
    background-color: white;
    border: 1px solid var(--color-border);
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
    transition: var(--transition-base);
    color: var(--color-text);
}

.instant-answer-btn:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg-alt);
    transform: translateX(4px);
}

/* タイピングインジケーター */
.typing-indicator {
    display: flex;
    gap: 12px;
    padding: 12px 0;
}

.typing-indicator .message-avatar {
    background-color: var(--color-secondary);
}

.typing-dots {
    background-color: white;
    padding: 12px 16px;
    border-radius: 16px;
    display: flex;
    gap: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.typing-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-secondary);
    border-radius: 50%;
    animation: typingAnimation 1.4s infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingAnimation {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.7;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* チャット入力 */
.chat-input-container {
    padding: 16px 20px;
    background-color: white;
    border-top: 1px solid var(--color-border);
}

.chat-input-wrapper {
    display: flex;
    gap: 12px;
    align-items: center;
}

.chat-input {
    flex: 1;
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 12px 20px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition-base);
    outline: none;
}

.chat-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(193, 154, 107, 0.1);
}

.chat-input::placeholder {
    color: var(--color-text-light);
}

.chat-send-btn {
    width: 44px;
    height: 44px;
    background-color: var(--color-primary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
    flex-shrink: 0;
}

.chat-send-btn:hover:not(:disabled) {
    background-color: var(--color-accent);
    transform: scale(1.05);
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.chat-send-btn svg {
    color: white;
}

/* スクロールバーのカスタマイズ */
.chat-body::-webkit-scrollbar {
    width: 6px;
}

.chat-body::-webkit-scrollbar-track {
    background: transparent;
}

.chat-body::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

.chat-body::-webkit-scrollbar-thumb:hover {
    background: var(--color-secondary);
}

/* モバイル対応 */
@media (max-width: 640px) {
    .chat-window {
        bottom: 90px;
        right: 20px;
        left: 20px;
        width: auto;
        height: 600px;
    }
    
    .chat-button {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
    }
}

/* ================================================
   Shipping & Returns ページ
   ================================================ */

.policy-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg);
}

.policy-section-alt {
    background-color: var(--color-bg-alt);
}

.policy-content {
    max-width: 900px;
    margin: 0 auto;
}

.policy-subtitle {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 2rem;
    color: var(--color-primary);
}

.policy-text {
    font-size: 1rem;
    line-height: 1.9;
    margin-bottom: 2rem;
    color: var(--color-text-light);
}

.policy-note {
    background-color: var(--color-bg-alt);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 3rem;
}

.policy-section-alt .policy-note {
    background-color: white;
}

.policy-note p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 0.5rem;
    color: var(--color-text-light);
}

.policy-note p:last-child {
    margin-bottom: 0;
}

/* 配送テーブル */
.shipping-table-wrapper {
    overflow-x: auto;
    margin: 3rem 0;
}

.shipping-table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.shipping-table thead {
    background-color: var(--color-primary);
    color: white;
}

.shipping-table th,
.shipping-table td {
    padding: 1.2rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.shipping-table th {
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
}

.shipping-table td {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.shipping-table tbody tr:hover {
    background-color: var(--color-bg-alt);
}

.shipping-table tbody tr:last-child td {
    border-bottom: none;
}

/* ポリシーブロック */
.policy-block {
    margin-bottom: 4rem;
}

.policy-list {
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: white;
    border-left: 3px solid var(--color-accent);
}

.policy-section-alt .policy-list {
    background-color: var(--color-bg-alt);
}

.policy-list-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.policy-list p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 0.8rem;
    color: var(--color-text-light);
}

.policy-list ul {
    list-style: none;
    margin: 1rem 0;
    padding-left: 0;
}

.policy-list li {
    font-size: 0.95rem;
    line-height: 1.9;
    margin-bottom: 0.5rem;
    color: var(--color-text-light);
    padding-left: 1rem;
}

/* お問い合わせ情報 */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.contact-item {
    padding: 2rem;
    background-color: var(--color-bg-alt);
    border-radius: 8px;
    text-align: center;
    transition: var(--transition-base);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.contact-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.contact-item p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.contact-item a {
    color: var(--color-accent);
    text-decoration: none;
    word-break: break-all;
    transition: var(--transition-base);
}

.contact-item a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* レスポンシブ対応 */
@media (max-width: 968px) {
    .shipping-table {
        font-size: 0.9rem;
    }
    
    .shipping-table th,
    .shipping-table td {
        padding: 1rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .policy-section {
        padding: var(--spacing-lg) 0;
    }
    
    .policy-note,
    .policy-list,
    .contact-item {
        padding: 1.5rem;
    }
    
    .shipping-table-wrapper {
        margin: 2rem -1rem;
    }
    
    .shipping-table th,
    .shipping-table td {
        padding: 0.8rem 0.5rem;
        font-size: 0.85rem;
    }
}

/* ================================================
   商品ページ - エレガントスタイル
   ================================================ */

/* 販売開始バッジ */
.product-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    border-radius: 2px;
}

.product-badge.upcoming {
    background-color: #FFF5E1;
    color: #8B6914;
    border: 1px solid #DEB887;
}

/* 商品タイトル */
.product-title {
    font-family: var(--font-secondary);
    font-size: 2.25rem;
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--color-primary);
    letter-spacing: 0.02em;
}

/* 価格表示 */
.product-price-large {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-family: var(--font-primary);
}

.price-tax {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-text-light);
    margin-left: 0.5rem;
}

/* 商品説明 */
.product-description {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.product-description p {
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 1rem;
    font-family: var(--font-japanese);
}

.product-description p:last-child {
    margin-bottom: 0;
}

.product-highlight {
    font-weight: 500;
    color: var(--color-accent);
}

/* オプションタイトル */
.option-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.required-label {
    background-color: #DC143C;
    color: white;
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 2px;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.optional-label {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    background-color: #666666;
    color: #ffffff;
    font-size: 0.8125rem;
    font-weight: 400;
    border-radius: 3px;
    margin-left: 0.5rem;
}

/* サイズオプション */
.size-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.size-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem 0.75rem;
    border: 1.5px solid #e0e0e0;
    background-color: var(--color-bg);
    cursor: pointer;
    transition: var(--transition-base);
    border-radius: 6px;
    font-family: var(--font-japanese);
    font-size: 0.875rem;
    font-weight: 500;
    min-height: 40px;
    flex: 0 1 auto;
    min-width: 50px;
}

.size-option:hover {
    border-color: var(--color-accent);
    background-color: #FFFAF0;
}

.size-option.active {
    border-color: var(--color-accent);
    background-color: var(--color-accent);
    color: white;
}

/* 在庫情報表示スタイル */
.size-option.sold-out {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: #f5f5f5;
    border-color: #d0d0d0;
    color: #999;
}

.size-option.sold-out:hover {
    background-color: #f5f5f5;
    border-color: #d0d0d0;
    color: #999;
}

.size-option.low-stock {
    border-color: #ff9800;
    background-color: #fff3e0;
}

.size-option.low-stock:hover {
    border-color: #ff9800;
    background-color: #ffe0b2;
}

.size-option.low-stock.active {
    border-color: #ff9800;
    background-color: #ff9800;
    color: white;
}

.size-label {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-family: var(--font-primary);
}

.size-detail {
    font-size: 0.75rem;
    color: currentColor;
    opacity: 0.9;
}

.size-note {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.6;
    font-family: var(--font-japanese);
}

.size-note a {
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 1px solid var(--color-accent);
    transition: var(--transition-base);
}

.size-note a:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* カスタマイズオプション */
.customization-options {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.custom-option-card {
    display: block;
    position: relative;
    cursor: pointer;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    padding: 1.25rem;
    background-color: var(--color-bg);
    transition: var(--transition-base);
}

.custom-option-card:hover {
    border-color: var(--color-accent);
    background-color: #FFFAF0;
}

.custom-option-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.custom-option-card input[type="radio"]:checked + .option-content {
    color: var(--color-primary);
}

.custom-option-card input[type="radio"]:checked ~ * {
    border-color: var(--color-accent);
}

.custom-option-card:has(input:checked) {
    border-color: var(--color-accent);
    background-color: #FFFAF0;
}

.option-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.option-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.option-name {
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    font-family: var(--font-primary);
}

.option-price {
    font-weight: 600;
    color: var(--color-accent);
    font-size: 1rem;
    font-family: var(--font-primary);
}

.option-description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-family: var(--font-japanese);
}

/* 名入れ入力フィールド */
.name-input-field {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background-color: #FFFAF0;
    border: 1px solid var(--color-accent);
    border-radius: 4px;
}

.input-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
    font-size: 0.95rem;
    font-family: var(--font-japanese);
}

.text-input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-primary);
    transition: var(--transition-base);
    background-color: var(--color-bg);
}

.text-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(193, 154, 107, 0.1);
}

.input-hint {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-family: var(--font-japanese);
}

/* カートに追加ボタン */
.product-actions {
    margin-top: 2rem;
    margin-bottom: 3rem;
}

.btn-add-to-cart {
    width: 100%;
    padding: 1.25rem 2rem;
    background-color: var(--color-primary);
    color: white;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    border-radius: 2px;
    font-family: var(--font-primary);
}

.btn-add-to-cart:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-add-to-cart:active {
    transform: translateY(0);
}

/* SOLD OUT状態のボタンスタイル */
.btn-add-to-cart.sold-out,
.btn-add-to-cart:disabled {
    background-color: #999999;
    color: #ffffff;
    cursor: not-allowed;
    opacity: 0.7;
    transform: none;
    box-shadow: none;
}

.btn-add-to-cart.sold-out:hover,
.btn-add-to-cart:disabled:hover {
    background-color: #999999;
    transform: none;
    box-shadow: none;
}

/* 商品情報リンク（参考サイトのデザイン） */
.product-info-links {
    margin-top: 2rem;
    margin-bottom: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.info-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 0;
    color: var(--color-accent);
    text-decoration: underline;
    font-size: 0.9rem;
    transition: var(--transition-base);
}

.info-link:hover {
    color: var(--color-primary);
}

.info-link-icon {
    font-size: 0.7rem;
    color: #999;
}

/* カスタマイズオプション（LIST型） */
.customization-options-single,
.customization-options-multiple {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.custom-option-card {
    display: block;
    position: relative;
    cursor: pointer;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    padding: 1.25rem;
    background-color: var(--color-bg);
    transition: var(--transition-base);
}

.custom-option-card:hover {
    border-color: var(--color-accent);
    background-color: #FFFAF0;
}

.custom-option-card input[type="radio"],
.custom-option-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.custom-option-card:has(input:checked) {
    border-color: var(--color-accent);
    background-color: #FFFAF0;
}

.option-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.option-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.option-name {
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.05em;
    font-family: var(--font-primary);
    color: var(--color-primary);
}

.option-price {
    font-weight: 600;
    color: var(--color-accent);
    font-size: 0.95rem;
    font-family: var(--font-primary);
}

.option-image {
    margin-top: 0.75rem;
}

.option-image img {
    width: 100%;
    max-width: 120px;
    height: auto;
    border-radius: 4px;
    object-fit: cover;
}

/* テキスト入力（TEXT型） */
.text-input-container {
    margin-top: 1rem;
}

.text-input-container .input-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
    font-size: 0.95rem;
    font-family: var(--font-japanese);
}

.text-input-container .text-input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-primary);
    transition: var(--transition-base);
    background-color: var(--color-bg);
    resize: vertical;
}

.text-input-container .text-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(193, 154, 107, 0.1);
}

.text-input-container .input-hint {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-family: var(--font-japanese);
}

/* アコーディオン */
.product-accordions {
    border-top: 1px solid var(--color-border);
}

.accordion-item {
    border-bottom: 1px solid var(--color-border);
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    color: var(--color-primary);
    transition: var(--transition-base);
    font-family: var(--font-japanese);
}

.accordion-header:hover {
    color: var(--color-accent);
}

.accordion-icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-item.active .accordion-content {
    max-height: 1000px;
}

.accordion-body {
    padding-bottom: 1.5rem;
    color: var(--color-text);
    line-height: 1.8;
    font-family: var(--font-japanese);
}

.accordion-body p {
    margin-bottom: 1rem;
}

.accordion-body h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
}

.accordion-body ul {
    list-style: none;
    padding: 0;
}

.accordion-body ul li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
}

.accordion-body ul li::before {
    content: "•";
    position: absolute;
    left: 0.5rem;
    color: var(--color-accent);
    font-weight: bold;
}

.accordion-body .note-text {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--color-bg-alt);
    border-left: 3px solid var(--color-accent);
}

.accordion-body .link-text {
    margin-top: 1rem;
}

.accordion-body .link-text a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: var(--transition-base);
}

.accordion-body .link-text a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* レスポンシブ対応 */
@media (max-width: 968px) {
    .product-title {
        font-size: 1.75rem;
    }
    
    .product-price-large {
        font-size: 1.5rem;
    }
    
    .size-options {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }
    
    .size-option {
        padding: 1rem 0.5rem;
    }
    
    .size-label {
        font-size: 1.25rem;
    }
}

@media (max-width: 640px) {
    .product-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
    
    .product-title {
        font-size: 1.5rem;
    }
    
    .product-price-large {
        font-size: 1.35rem;
    }
    
    .option-title {
        font-size: 0.9rem;
    }
    
    .size-options {
        gap: 0.5rem;
    }
    
    .size-option {
        padding: 0.875rem 0.5rem;
    }
    
    .size-label {
        font-size: 1.1rem;
    }
    
    .size-detail {
        font-size: 0.7rem;
    }
    
    .custom-option-card {
        padding: 1rem;
    }
    
    .option-name {
        font-size: 1rem;
    }
    
    .option-price {
        font-size: 0.9rem;
    }
    
    .btn-add-to-cart {
        padding: 1rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .accordion-header {
        padding: 1.25rem 0;
        font-size: 0.95rem;
    }
}

/* ================================================
   商品一覧用バッジ
   ================================================ */

.product-badge-new {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: #DC143C;
    color: white;
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 2px;
    z-index: 2;
    font-family: var(--font-primary);
}

.product-badge-upcoming {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: #FFF5E1;
    color: #8B6914;
    border: 1px solid #DEB887;
    padding: 0.4rem 0.8rem;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    border-radius: 2px;
    z-index: 2;
    font-family: var(--font-japanese);
}

.product-description-short {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
    line-height: 1.4;
    font-family: var(--font-japanese);
}

/* レスポンシブ対応 */
@media (max-width: 640px) {
    .product-badge-new,
    .product-badge-upcoming {
        font-size: 0.65rem;
        padding: 0.3rem 0.6rem;
    }
    
    .product-badge-upcoming {
        top: 3rem;
        right: 1rem;
    }
}

/* ================================================
   トップページ用商品バッジ
   ================================================ */

/* NEWバッジ：可能なら既存varを優先（なければ現状赤でもOK） */
.collection-page .collection-item .product-badge-new,
.collection-preview .collection-item .product-badge-new {
    position: absolute;
    top: 8px;
    left: 8px;
    background-color: var(--color-primary, #DC143C);
    color: #fff;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    z-index: 10;
    pointer-events: none;
}

/* 既存のcollection-badge-upcoming（Latest Collection用） */
.collection-badge-upcoming {
    display: inline-block;
    background-color: var(--color-bg); /* 白背景（テーマ変数） */
    color: var(--color-primary); /* 濃いグレー（テーマ変数） */
    border: 1px solid var(--color-accent); /* ベージュ枠（テーマ変数） */
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: 0.5rem;
    border-radius: 2px;
    font-family: var(--font-japanese);
}

/* 販売開始ラベル（ベージュのバー） - 理想の1枚目 */
.collection-page .collection-info .collection-badge-upcoming,
.collection-preview .collection-info .collection-badge-upcoming {
    display: inline-block;
    background: var(--color-bg, #FFF5E1);
    color: var(--color-accent, #8B6914);
    border: 1px solid var(--color-border, #DEB887);
    padding: 10px 12px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 4px;
    letter-spacing: 0.02em;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: var(--font-japanese);
    /* 文字が空なら非表示（空pが大量にあるのを隠す） */
    display: none;
}

/* 発売開始バッジに内容がある場合は表示 */
.collection-page .collection-info .collection-badge-upcoming:not(:empty),
.collection-preview .collection-info .collection-badge-upcoming:not(:empty) {
    display: inline-block !important;
}

.featured-product {
    position: relative;
}

.featured-product::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    border-radius: 4px;
    z-index: -1;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.featured-product:hover::before {
    opacity: 1;
}

@media (max-width: 640px) {
    .collection-page .collection-item .product-badge-new,
    .collection-preview .collection-item .product-badge-new {
        font-size: 0.7rem;
        padding: 0.4rem 0.8rem;
        top: 1rem;
        left: 1rem;
    }

    .collection-page .collection-info .collection-badge-upcoming,
    .collection-preview .collection-info .collection-badge-upcoming {
        font-size: 0.7rem;
        padding: 6px 10px;
    }
}

/* ==================================
   エレガントなオプション選択スタイル
   ================================== */

.option-note {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
    font-family: var(--font-japanese);
    line-height: 1.5;
}

.customization-elegant-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.elegant-option-card {
    position: relative;
    cursor: pointer;
    display: block;
}

.elegant-option-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.option-card-content {
    position: relative;
    border: 1.5px solid #e0e0e0;
    border-radius: 8px;
    padding: 0.875rem;
    background: #ffffff;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 100px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.elegant-option-card:hover .option-card-content {
    border-color: #C19A6B;
    box-shadow: 0 4px 20px rgba(193, 154, 107, 0.2);
    transform: translateY(-2px);
}

.elegant-option-card input:checked + .option-card-content {
    border-color: #8B7355;
    border-width: 2px;
    background: linear-gradient(135deg, #E5D4C1 0%, #EDE3D8 100%);
    box-shadow: 0 4px 16px rgba(139, 115, 85, 0.25);
    transform: translateY(-1px);
}

.option-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.option-label {
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--font-primary);
    color: var(--text-primary);
    letter-spacing: 0.3px;
}

.option-badge {
    background: linear-gradient(135deg, #8B7355 0%, #6B5A47 100%);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.option-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.option-price {
    font-size: 1.125rem;
    font-weight: 600;
    color: #C19A6B;
    font-family: var(--font-secondary);
    margin-bottom: 0.25rem;
}

.option-description {
    font-size: 0.75rem;
    line-height: 1.5;
    color: var(--text-light);
    font-family: var(--font-japanese);
}

.option-checkmark {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, #6B5A47 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 2px 8px rgba(139, 115, 85, 0.3);
}

.elegant-option-card input:checked ~ .option-card-content .option-checkmark {
    opacity: 1;
    transform: scale(1);
}

.option-checkmark svg {
    color: white;
}

/* 名入れ入力フィールド（エレガント版） */
.name-input-elegant {
    margin-top: 1rem;
    padding: 0.875rem;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.elegant-input-label {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-family: var(--font-japanese);
}

.elegant-input-label svg {
    color: #C19A6B;
    width: 16px;
    height: 16px;
}

.elegant-text-input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1.5px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.875rem;
    font-family: var(--font-secondary);
    background: white;
    transition: all 0.3s ease;
}

.elegant-text-input:focus {
    outline: none;
    border-color: #C19A6B;
    box-shadow: 0 0 0 3px rgba(193, 154, 107, 0.12);
}

.elegant-input-hint {
    margin-top: 0.375rem;
    font-size: 0.75rem;
    color: var(--text-light);
    font-family: var(--font-japanese);
    line-height: 1.4;
}

/* リンク装飾 */
.link-underline {
    color: var(--color-accent);
    text-decoration: underline;
    transition: color 0.3s ease;
}

/* レスポンシブ調整 */
@media (max-width: 968px) {
    .customization-elegant-grid {
        grid-template-columns: 1fr;
    }
    
    .option-card-content {
        padding: 1.25rem;
        min-height: 140px;
    }
    
    .option-label {
        font-size: 1rem;
    }
    
    .option-price {
        font-size: 1.25rem;
    }
}

@media (max-width: 640px) {
    .option-card-content {
        padding: 1rem;
        min-height: 120px;
    }
    
    .name-input-elegant {
        padding: 1rem;
    }
}


/* ==================================
   アコーディオン改善スタイル
   ================================== */

.accordion-item {
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    text-align: left;
    transition: color 0.3s ease;
}

.accordion-header svg {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.accordion-item.active .accordion-header svg {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
    margin: 0;
}

.accordion-item.active .accordion-content {
    /* JavaScriptで動的にmaxHeightが設定されるため、ここでは設定しない */
}

.accordion-content p {
    padding: 0 0 1.25rem 0;
    margin: 0;
    line-height: 1.8;
    color: var(--text-light);
    font-family: var(--font-japanese);
    font-size: 0.9375rem;
}

.accordion-content ul {
    padding: 0 0 1.25rem 1.5rem;
    margin: 0;
}

.accordion-content li {
    line-height: 1.8;
    color: var(--text-light);
    font-family: var(--font-japanese);
    font-size: 0.9375rem;
    margin-bottom: 0.5rem;
}

.accordion-content a,
.accordion-content .text-link {
    color: var(--color-accent);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.accordion-content a:hover,
.accordion-content .text-link:hover {
    color: #C19A6B;
    text-decoration-color: rgba(193, 154, 107, 0.5);
}

/* Inline link with || prefix (color + underline + ||) */
.accordion-content .ttd-inline-link,
.accordion-content a.ttd-inline-link {
    color: #111;
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
    position: relative;
    padding-left: 0.9em;
    transition: opacity 0.3s ease;
}

.accordion-content .ttd-inline-link::before,
.accordion-content a.ttd-inline-link::before {
    content: '||';
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0.85;
    color: #111;
}

.accordion-content .ttd-inline-link:hover,
.accordion-content a.ttd-inline-link:hover {
    opacity: 0.85;
}

/* Size Guide content also supports ttd-inline-link */
.size-guide-content .ttd-inline-link,
.size-guide-content a.ttd-inline-link {
    color: #111;
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
    position: relative;
    padding-left: 0.9em;
    transition: opacity 0.3s ease;
}

.size-guide-content .ttd-inline-link::before,
.size-guide-content a.ttd-inline-link::before {
    content: '||';
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0.85;
    color: #111;
}

.size-guide-content .ttd-inline-link:hover,
.size-guide-content a.ttd-inline-link:hover {
    opacity: 0.85;
}


/* ==================================
   関連商品セクション
   ================================== */

.related-products {
    padding: 6rem 0;
    background: linear-gradient(180deg, #fafafa 0%, #ffffff 100%);
}

.related-products .section-title {
    text-align: center;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    text-align: center;
    font-size: 0.9375rem;
    color: var(--text-light);
    font-family: var(--font-japanese);
    margin-bottom: 3rem;
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.related-product-card {
    display: block;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.related-product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.related-product-image {
    position: relative;
    width: 100%;
    padding-bottom: 133.33%; /* 3:4 アスペクト比 */
    overflow: hidden;
    background: #f5f5f5;
}

.related-product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.related-product-card:hover .related-product-image img {
    transform: scale(1.08);
}

.related-product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.related-product-card:hover .related-product-overlay {
    opacity: 1;
}

.view-product-btn {
    padding: 0.75rem 2rem;
    background: white;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 1px;
    border-radius: 4px;
    text-transform: uppercase;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.related-product-card:hover .view-product-btn {
    transform: translateY(0);
}

.related-product-info {
    padding: 1.5rem;
    text-align: center;
}

.related-product-name {
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.related-product-price {
    font-family: var(--font-secondary);
    font-size: 1.25rem;
    font-weight: 600;
    color: #C19A6B;
}

.view-all-container {
    text-align: center;
}

.btn-view-all {
    display: inline-block;
    padding: 1rem 3rem;
    background: transparent;
    border: 2px solid #C19A6B;
    color: #C19A6B;
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-view-all:hover {
    background: #C19A6B;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(193, 154, 107, 0.35);
}

/* レスポンシブ調整 */
@media (max-width: 968px) {
    .related-products {
        padding: 4rem 0;
    }

    .related-products-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 640px) {
    .related-products {
        padding: 3rem 0;
    }

    .related-products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .related-product-name {
        font-size: 1rem;
    }

    .related-product-price {
        font-size: 1.125rem;
    }

    .btn-view-all {
        padding: 0.875rem 2rem;
        font-size: 0.8125rem;
    }
}


/* ==================================
   ホバーカラー統一（#C19A6B）
   ================================== */

/* 関連商品のView Productボタン */
.view-product-btn {
    background: white;
    color: var(--color-primary);
}

.view-product-btn:hover {
    background: #C19A6B;
    color: white;
}

/* リンクのホバーカラー統一 */
.link-underline:hover {
    color: #C19A6B;
}

.accordion-header:hover {
    color: #C19A6B;
}

.accordion-content a:hover {
    color: #C19A6B;
}


/* ==================================
   商品詳細ページのレスポンシブ調整
   ================================== */

@media (max-width: 968px) {
    .product-detail {
        padding: 120px 0 3rem;
    }
    
    .product-layout {
        gap: 3rem;
    }
    
    .container-wide {
        padding: 0 2rem;
    }
}

@media (max-width: 640px) {
    .product-detail {
        padding: 100px 0 2rem;
    }
    
    .product-layout {
        gap: 2rem;
    }
    
    .gallery-main {
        margin-bottom: 1rem;
    }
    
    .main-image {
        border-radius: 6px;
    }
}


/* ==================================
   商品ページのコンパクト化
   ================================== */

/* 商品タイトルのサイズ調整 */
.product-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

/* 価格表示のサイズ調整 */
.product-price-large {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

/* サイズオプションのコンパクト化 */
.size-options {
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.size-option {
    padding: 0.625rem 1.5rem;
    font-size: 0.9375rem;
    min-width: 80px;
}

/* オプションカードのコンパクト化 */
.elegant-option-card .option-card-content {
    padding: 1rem;
    min-height: 120px;
}

.option-card-header {
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
}

.option-label {
    font-size: 1rem;
}

.option-price {
    font-size: 1.25rem;
    margin-bottom: 0.375rem;
}

.option-description {
    font-size: 0.8125rem;
    line-height: 1.5;
}

/* カスタマイズグリッドの間隔を縮小 */
.customization-elegant-grid {
    gap: 1rem;
    margin-bottom: 1.25rem;
}

/* 名入れ入力フィールドのコンパクト化 */
.name-input-elegant {
    margin-top: 1.25rem;
    padding: 1rem;
}

.elegant-text-input {
    padding: 0.75rem 0.875rem;
    font-size: 0.9375rem;
}

/* カートボタンのコンパクト化 */
.btn-add-to-cart {
    padding: 1rem 2rem;
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

/* アコーディオンのコンパクト化 */
.accordion-header {
    padding: 1rem 0;
    font-size: 0.9375rem;
}

.accordion-content p,
.accordion-content ul {
    padding: 0 0 1rem 0;
    font-size: 0.875rem;
    line-height: 1.7;
}

/* 商品オプションタイトルのコンパクト化 */
.product-option {
    margin-bottom: 1.5rem;
}

.option-title {
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

/* サイズガイドリンクのコンパクト化 */
.size-guide-link {
    font-size: 1.2rem;
    padding: 0.5rem 0;
}


/* オプショナルバッジ */
.optional-badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    background: #666666;
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 3px;
    margin-left: 0.5rem;
    letter-spacing: 0.05em;
}

/* 最近見た商品セクション */
.recently-viewed-products {
    padding: 4rem 0;
    background: #fafafa;
}

.recently-viewed-products .section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.recently-viewed-products .section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
}

/* カートサイドパネル */
.cart-sidepanel {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    pointer-events: none;
}

.cart-sidepanel.active {
    pointer-events: all;
}

.cart-sidepanel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cart-sidepanel.active .cart-sidepanel-overlay {
    opacity: 1;
}

.cart-sidepanel-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 450px;
    height: 100%;
    background: white;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.cart-sidepanel.active .cart-sidepanel-content {
    transform: translateX(0);
}

.cart-sidepanel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 1.5rem;
    border-bottom: 1px solid #e0e0e0;
}

.cart-sidepanel-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cart-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.cart-close-btn:hover {
    color: #C19A6B;
}

.cart-sidepanel-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.cart-free-shipping-notice {
    background: linear-gradient(135deg, #f0f8f0 0%, #e8f5e8 100%);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 1px solid #d4edda;
}

.cart-free-shipping-notice p {
    font-size: 0.875rem;
    color: #155724;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.shipping-progress-bar {
    width: 100%;
    height: 6px;
    background: #c3e6cb;
    border-radius: 3px;
    overflow: hidden;
}

.shipping-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #28a745 0%, #20c997 100%);
    transition: width 0.3s ease;
}

.cart-items {
    margin-bottom: 2rem;
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid #f0f0f0;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.cart-item:first-child {
    padding-top: 0;
}

.cart-item-image {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-bg-alt);
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details {
    flex: 1;
}

.cart-item-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.cart-item-options {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 0.25rem 0.5rem;
}

.qty-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-primary);
    padding: 0.25rem 0.5rem;
    transition: color 0.3s ease;
}

.qty-btn:hover {
    color: #C19A6B;
}

.qty-value {
    font-size: 0.875rem;
    font-weight: 500;
    min-width: 20px;
    text-align: center;
}

.cart-item-remove {
    background: none;
    border: none;
    cursor: pointer;
    color: #999;
    padding: 0.25rem;
    transition: color 0.3s ease;
}

.cart-item-remove:hover {
    color: #dc3545;
}

.cart-item-price {
    font-size: 1rem;
    font-weight: 600;
    color: #C19A6B;
}

.cart-sidepanel-recommendations {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e0e0e0;
}

.cart-sidepanel-recommendations h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.cart-recommendation-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.cart-recommendation-item {
    position: relative;
    text-decoration: none;
    transition: transform 0.3s ease;
    /* 古いSafari用のフォールバック（padding-bottom方式） */
    height: 0;
    padding-bottom: 100%; /* 1:1 = 100% */
    /* モダンブラウザ用 */
    aspect-ratio: 1;
    margin-bottom: 0.5rem;
}

.cart-recommendation-item:hover {
    transform: translateY(-4px);
}

.cart-recommendation-item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.cart-rec-name {
    font-size: 0.8125rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.cart-rec-price {
    font-size: 0.875rem;
    font-weight: 600;
    color: #C19A6B;
}

.cart-sidepanel-footer {
    border-top: 1px solid #e0e0e0;
    padding: 1.5rem;
    background: #fafafa;
}

.cart-subtotal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.cart-subtotal span:first-child {
    color: var(--text-light);
}

.cart-subtotal-amount {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cart-footer-note {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.btn-view-cart {
    display: block;
    width: 100%;
    padding: 1rem;
    background: var(--color-accent);
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all 0.3s ease;
}

.btn-view-cart:hover {
    background: #8B7355;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(193, 154, 107, 0.3);
}

/* レスポンシブ */
@media (max-width: 640px) {
    .cart-sidepanel-content {
        max-width: 100%;
    }
    
    .cart-item-image {
        width: 70px;
        height: 70px;
    }
    
    .cart-item-title {
        font-size: 0.875rem;
    }
    
    .cart-recommendation-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================================
   カートページ
   ================================================ */

.cart-page {
    padding: 140px 0 4rem;
    min-height: 80vh;
}

.cart-page .page-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
    font-family: var(--font-primary);
}

.cart-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 3rem;
    margin-top: 3rem;
}

.cart-items-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cart-page-item {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    transition: box-shadow 0.3s ease;
}

.cart-page-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.cart-page-item-image {
    width: 150px;
    height: 150px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-bg-alt);
}

.cart-page-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-page-item-details {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.cart-page-item-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-family: var(--font-primary);
}

.cart-page-item-options {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.cart-page-item-price {
    font-size: 1.5rem;
    font-weight: 600;
    color: #C19A6B;
    margin-bottom: 1rem;
}

.cart-page-item-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: auto;
}

.cart-page-item-remove {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    color: #999;
    font-size: 0.875rem;
    cursor: pointer;
    transition: color 0.3s ease;
    font-family: var(--font-japanese);
}

.cart-page-item-remove:hover {
    color: #dc3545;
}

/* カートサマリー */
.cart-summary {
    background: #fafafa;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 2rem;
    height: fit-content;
    position: sticky;
    top: 120px;
}

.cart-summary h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-family: var(--font-primary);
}

.cart-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

.cart-summary-row span:first-child {
    color: var(--text-light);
}

.cart-summary-row span:last-child {
    font-weight: 500;
}

.cart-summary-divider {
    height: 1px;
    background: #e0e0e0;
    margin: 1.5rem 0;
}

.cart-summary-total {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.cart-summary-total span {
    color: var(--text-primary);
}

.cart-summary-total-amount {
    font-size: 1.5rem;
    color: #C19A6B;
}

.btn-checkout {
    width: 100%;
    padding: 1rem;
    background: #C19A6B;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
    font-family: var(--font-japanese);
}

.btn-checkout:hover {
    background: #8B7355;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(193, 154, 107, 0.3);
}

.btn-continue-shopping {
    display: block;
    width: 100%;
    padding: 1rem;
    background: white;
    color: var(--text-primary);
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    font-size: 0.9375rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    font-family: var(--font-japanese);
}

.btn-continue-shopping:hover {
    border-color: #C19A6B;
    color: #C19A6B;
}

.cart-payment-methods {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e0e0e0;
}

.cart-payment-methods p {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.payment-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.payment-icons span {
    padding: 0.375rem 0.75rem;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-light);
}

/* レスポンシブ */
@media (max-width: 968px) {
    .cart-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .cart-summary {
        position: static;
    }
    
    .cart-page-item {
        flex-direction: column;
    }
    
    .cart-page-item-image {
        width: 100%;
        height: 250px;
    }
}

@media (max-width: 640px) {
    .cart-page {
        padding: 100px 0 2rem;
    }
    
    .cart-page .page-title {
        font-size: 2rem;
    }
    
    .cart-page-item {
        padding: 1.5rem;
    }
    
    .cart-page-item-title {
        font-size: 1.125rem;
    }
    
    .cart-page-item-price {
        font-size: 1.25rem;
    }
    
    .cart-summary {
        padding: 1.5rem;
    }
}

/* ================================================
   共通ダイアログ
   ================================================ */

.custom-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.custom-dialog-overlay.active {
    opacity: 1;
    visibility: visible;
}

.custom-dialog {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    max-width: 400px;
    width: 90%;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.custom-dialog-overlay.active .custom-dialog {
    transform: scale(1);
}

.custom-dialog-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e0e0e0;
}

.custom-dialog-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-primary);
    margin: 0;
}

.custom-dialog-body {
    padding: 1.5rem;
}

.custom-dialog-message {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-primary);
    font-family: var(--font-japanese);
    margin: 0;
}

.custom-dialog-footer {
    padding: 1rem 1.5rem 1.5rem;
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

.dialog-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-japanese);
}

.dialog-btn-cancel {
    background: #f0f0f0;
    color: var(--text-primary);
}

.dialog-btn-cancel:hover {
    background: #e0e0e0;
}

.dialog-btn-confirm {
    background: #C19A6B;
    color: white;
}

.dialog-btn-confirm:hover {
    background: #8B7355;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(193, 154, 107, 0.3);
}

@media (max-width: 640px) {
    .custom-dialog {
        max-width: 95%;
    }
    
    .custom-dialog-header,
    .custom-dialog-body {
        padding: 1rem;
    }
    
    .custom-dialog-footer {
        padding: 0.75rem 1rem 1rem;
        flex-direction: column-reverse;
    }
    
    .dialog-btn {
        width: 100%;
    }
}

/* ================================================
   Checkout Page Styles
   ================================================ */

.checkout-page {
    min-height: calc(100vh - 200px);
    padding: 2rem 0 4rem;
    background-color: #fafafa;
}

.checkout-header {
    text-align: center;
    margin-bottom: 3rem;
}

.checkout-header h1 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 2rem;
}

/* Checkout Steps */
.checkout-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #e0e0e0;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.step.active .step-number {
    background-color: var(--color-gold);
    color: white;
}

.step-label {
    font-size: 0.875rem;
    color: #666;
    font-weight: 500;
}

.step.active .step-label {
    color: var(--color-primary);
}

.step-line {
    width: 80px;
    height: 2px;
    background-color: #e0e0e0;
    margin-bottom: 1.5rem;
}

/* Checkout Content Layout */
.checkout-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.checkout-main {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.checkout-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid #e0e0e0;
}

.checkout-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 0.875rem;
    color: #666;
    margin-bottom: 1.5rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1.5px solid #e0e0e0;
    border-radius: 4px;
    font-size: 1rem;
    font-family: var(--font-japanese);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-gold);
}

.postal-code-input-wrapper {
    display: flex;
    gap: 0.5rem;
}

.postal-code-input-wrapper input {
    flex: 1;
}

.btn-search-address {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.75rem 1rem;
    background-color: var(--color-gold);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--font-japanese);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-search-address:hover {
    background-color: #8B7355;
    transform: translateY(-1px);
}

.btn-search-address svg {
    flex-shrink: 0;
}

.form-hint {
    font-size: 0.75rem;
    color: #999;
    margin-top: 0.375rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Shipping Options */
.shipping-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.shipping-option {
    position: relative;
    display: flex;
    align-items: center;
    padding: 1.25rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.shipping-option:hover {
    border-color: var(--color-gold);
    background-color: #fafafa;
}

.shipping-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.shipping-option input[type="radio"]:checked ~ .shipping-option-checkmark {
    opacity: 1;
}

.shipping-option input[type="radio"]:checked + .shipping-option-content {
    color: var(--color-primary);
}

.shipping-option:has(input:checked) {
    border-color: var(--color-gold);
    background: linear-gradient(135deg, #fafafa 0%, #fff8f0 100%);
    box-shadow: 0 4px 12px rgba(193, 154, 107, 0.15);
}

.shipping-option-content {
    flex: 1;
}

.shipping-option-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.shipping-option-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
}

.shipping-price {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gold);
}

.shipping-description {
    font-size: 0.875rem;
    color: #666;
    margin-bottom: 0.25rem;
}

.shipping-delivery-time {
    font-size: 0.8125rem;
    color: #999;
}

.shipping-option-checkmark {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    margin-left: 1rem;
}

.shipping-option-checkmark svg {
    stroke: white;
}

/* Checkout Sidebar */
.checkout-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.checkout-summary {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.checkout-summary h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.checkout-items {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
}

.checkout-item {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.checkout-item:last-child {
    border-bottom: none;
}

.checkout-item-image {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
}

.checkout-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}

.checkout-item-details {
    flex: 1;
}

.checkout-item-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.checkout-item-options {
    font-size: 0.75rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.checkout-item-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkout-item-quantity {
    font-size: 0.8125rem;
    color: #666;
}

.checkout-item-price {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
}

.checkout-summary-divider {
    height: 1px;
    background-color: #e0e0e0;
    margin: 1.5rem 0;
}

.checkout-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
}

.checkout-summary-row span:first-child {
    color: #666;
}

.checkout-summary-row span:last-child {
    font-weight: 600;
    color: var(--color-primary);
}

.checkout-summary-total {
    font-size: 1.125rem;
    margin-top: 1rem;
}

.checkout-summary-total span {
    font-weight: 700;
    color: var(--color-primary);
}

.checkout-summary-total span:last-child {
    color: var(--color-gold);
    font-size: 1.5rem;
}

/* Buttons */
.btn-place-order {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--color-gold) 0%, #8B7355 100%);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-japanese);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1.5rem;
}

.btn-place-order:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(193, 154, 107, 0.3);
}

.btn-back-to-cart {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    margin-top: 1rem;
    color: var(--color-gold);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.btn-back-to-cart:hover {
    color: #8B7355;
}

.checkout-payment-methods {
    margin-top: 1.5rem;
    padding: 1rem;
    background-color: #fafafa;
    border-radius: 4px;
    text-align: center;
}

.checkout-payment-methods p {
    font-size: 0.8125rem;
    color: #666;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.payment-card-icons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.card-brand {
    padding: 0.375rem 0.75rem;
    background-color: white;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #333;
    transition: all 0.3s ease;
}

.card-brand:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.checkout-secure-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #f0f0f0;
    font-size: 0.8125rem;
    color: #999;
}

.checkout-secure-notice svg {
    stroke: var(--color-gold);
}

/* Responsive Design */
@media (max-width: 768px) {
    .checkout-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .checkout-sidebar {
        position: static;
    }
    
    .checkout-main {
        padding: 1.5rem;
    }
    
    .checkout-summary {
        padding: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .checkout-header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .checkout-page {
        padding: 1rem 0 2rem;
    }
    
    .checkout-main,
    .checkout-summary {
        padding: 1rem;
    }
    
    .shipping-option {
        padding: 1rem;
    }
}

/* ===========================
   決済フォームスタイル
   =========================== */

.payment-form-container {
    margin-top: 1.5rem;
}

.card-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.card-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.card-input:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(193, 154, 107, 0.1);
}

.card-input::placeholder {
    color: #999;
}

.card-brands-inline {
    position: absolute;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    pointer-events: none;
}

.card-brand-icon {
    width: 32px;
    height: 20px;
    opacity: 0.7;
}

.payment-security-notice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    font-size: 0.875rem;
    color: #666;
}

.payment-security-notice svg {
    flex-shrink: 0;
    stroke: var(--color-gold);
}

/* カード番号の入力フォーマット */
#cardNumber {
    letter-spacing: 0.1em;
}

#cardExpiry,
#cardCvv {
    text-align: center;
    letter-spacing: 0.05em;
}

#cardName {
    text-transform: uppercase;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .card-brands-inline {
        right: 0.75rem;
    }
    
    .card-brand-icon {
        width: 28px;
        height: 18px;
    }
    
    .news-banner {
        padding: 0.5rem 1rem;
    }
    
    .news-banner-content {
        font-size: 0.8rem;
        gap: 0.5rem;
    }
    
    .news-label {
        font-size: 0.7rem;
        padding: 0.2rem 0.5rem;
    }
    
    .news-text {
        font-size: 0.75rem;
    }
    
    .main-nav.with-banner {
        top: 52px;
    }
    
    .hero {
        height: 70vh;
        min-height: 500px;
    }
}

@media (max-width: 480px) {
    .news-banner {
        padding: 0.6rem 1rem;
    }
    
    .news-banner-content {
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .news-text {
        font-size: 0.7rem;
        flex: 1;
        min-width: 0;
    }
    
    .main-nav.with-banner {
        top: 60px;
    }
    
    .hero {
        height: 65vh;
        min-height: 450px;
    }
}

/* ================================================
   商品バッジ（SALE/NEW）
   ================================================ */

.collection-page .product-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 10;
    padding: 4px 8px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 2px;
    border: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    font-family: var(--font-primary), var(--font-japanese);
}

.collection-page .product-badge--sale {
    background-color: #dc3545;
    color: #fff;
}

.collection-page .product-badge--new {
    background-color: #dc3545;
    color: #fff;
}

/* モバイル対応 */
@media (max-width: 768px) {
    .collection-page .product-badge {
        top: 6px;
        left: 6px;
        padding: 3px 6px;
        font-size: 0.7rem;
    }
}