/* =========================================
   KUPPI ONLINE SHOP 専用スタイルシート
   既存のデザインシステムと調和した北欧モダンスタイル
   ========================================= */

:root {
    --bg-main: #F9F9F8;
    --bg-alt: #EBEBEA;
    --text-main: #111111;
    --text-muted: #9CA3AF;
    --border-color: rgba(17, 17, 17, 0.08);
    --accent-color: #A9907E;
    /* 既存のメニューなどと調和するアースカラー */

    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Zen Kaku Gothic New', sans-serif;
    --font-jost: 'Jost', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    overflow-x: clip;
}

/* フィルムグレイン（粒子）効果の継承 */
.film-grain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.08'/%3E%3C/svg%3E");
    opacity: 0.04;
}

/* =========================================
   ヘッダー（ナビゲーション）デザイン
   ========================================= */
.header-sticky-wrapper {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: rgba(249, 249, 248, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    width: 100%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
}

@media (max-width: 768px) {
    .header-sticky-wrapper {
        position: relative;
        top: auto;
    }

    .header-sticky-wrapper.sp-sticky-active {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 100;
        background-color: rgba(249, 249, 248, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
        animation: fadeInHeader 0.25s ease-out;
    }

    .is-menu-open .header-sticky-wrapper {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 105;
    }
}

@keyframes fadeInHeader {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

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

/* メニュー展開時：最前面に出し、z-indexをドロワーより上にする */
.is-menu-open .header-sticky-wrapper {
    z-index: 105;
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.global-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    margin: 0 auto;
}

.logo {
    font-family: var(--font-jost);
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    text-decoration: none;
    color: var(--text-main);
    display: flex;
    align-items: center;
}

.logo-cup {
    display: none !important;
}

.main-nav {
    display: none;
    gap: 2.2rem;
}

@media (min-width: 768px) {
    .main-nav {
        display: flex;
        align-items: center;
    }
}

.main-nav a {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    text-decoration: none;
    color: var(--text-main);
    text-transform: uppercase;
    transition: color 0.4s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--accent-color);
}

/* =========================================
   ショップ メインコンテンツ
   ========================================= */
.shop-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 3rem 3rem 6rem;
}

.shop-header {
    text-align: center;
    margin-bottom: 5rem;
}

.shop-title {
    font-family: var(--font-jost);
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.shop-subtitle {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    font-style: italic;
    color: var(--text-muted);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* モバイル: 2列 */
    gap: 1rem;
    width: 100%;
}

@media (min-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr); /* タブレット・中画面: 3列 */
        gap: 1.25rem;
    }
}

@media (min-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(5, 1fr); /* PC大画面: 5列 */
        gap: 1.5rem;
    }
}

.product-card {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    /* 角の丸みやオーバーレイのはみ出し防止 */
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1),
        transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
    background-color: transparent;
}

.product-card.reveal-active {
    opacity: 1;
    transform: translateY(0);
}

.product-card.reveal-active:hover {
    z-index: 10;
}

.product-image-wrapper {
    width: 100%;
    position: relative;
    display: block;
    background-color: var(--bg-alt);
    overflow: hidden;
}

/* 一覧での画像ラッパーアスペクト比（スマホ共通定義） */
.product-card .product-image-wrapper {
    aspect-ratio: 1 / 1;
}

@media (max-width: 767px) {
    .product-card .product-image-wrapper {
        aspect-ratio: 3 / 4;
        /* モバイルでは3:4縦長 */
    }
}

.product-picture {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    transition: opacity 0.35s ease;
    /* チラつきを感じにくいよう適切な速度に微調整 */
}

.primary-img {
    z-index: 1;
    opacity: 1;
}

.secondary-img {
    z-index: 2;
    opacity: 0;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ホバー時に画像を切り替える（手前の2枚目をフェードイン。奥の1枚目は透明にせず下地透けを防ぐ。マウス環境のみ適用） */
@media (hover: hover) {
    .product-card:hover .secondary-img {
        opacity: 1;
    }
}

/* ==========================================================================
   商品カード画像アスペクト比レスポンシブ定義
   ========================================================================== */
/* 768px以上（PC・タブレット）: 一律 1:1 (正方形) */
@media (min-width: 768px) {
    .product-card {
        grid-column: span 1 !important;
        grid-row: span 1 !important;
    }

    .product-card .product-image-wrapper {
        aspect-ratio: 1 / 1 !important;
        height: auto;
    }
}

/* 767px以下 (全モバイル環境): 一律 3:4 (縦長) */
@media (max-width: 767px) {
    .product-card {
        grid-column: span 1 !important;
        grid-row: span 1 !important;
    }

    .product-card .product-image-wrapper {
        aspect-ratio: 3 / 4 !important;
        height: auto;
    }

    .product-card .product-image-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover !important;
        object-position: center !important;
    }
}




/* 画像の下に常時表示される商品情報エリア */
.product-card-details {
    padding: 1rem 0.3rem 0.5rem;
    /* 上品な隙間 */
    text-align: left;
    /* 左寄せでセレクトショップ風に */
    background-color: transparent;
    transition: opacity 0.3s ease;
}

.product-card-name-wrapper {
    margin: 0;
    padding: 0;
    display: block;
}

.product-card-name {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--text-main);
    margin-bottom: 0.25rem;
    line-height: 1.4;
}

.product-card-meta {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--text-light, #8e8e8e);
    margin-bottom: 0.2rem;
    line-height: 1.3;
}

.product-card-price {
    font-family: var(--font-jost);
    font-size: 0.9rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    color: #656565;
}

/* =========================================
   全画面ヒーロースライダー (Shop TOP)
   ========================================= */
.shop-hero-slider-section {
    position: relative;
    width: 100vw;
    height: calc(100vh - 70px);
    height: calc(100dvh - 70px);
    min-height: 520px;
    max-height: 900px;
    overflow: hidden;
    background-color: transparent;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    margin-bottom: 4rem;
}

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.4s cubic-bezier(0.25, 1, 0.5, 1), visibility 1.4s;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.hero-slide-link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    cursor: pointer;
}

.hero-slide-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.08);
    transition: transform 7s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-slide.active .hero-slide-img {
    transform: scale(1.00);
}

/* オーバーレイグラデーション & テキスト */
.hero-slider-overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    background: linear-gradient(180deg,
            rgba(0, 0, 0, 0.40) 0%,
            rgba(0, 0, 0, 0.20) 45%,
            rgba(0, 0, 0, 0.65) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    pointer-events: none;
}

.hero-slider-content {
    color: #ffffff;
    text-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    max-width: 900px;
    transform: translateY(0);
    animation: heroFadeUp 1.2s ease-out forwards;
}

@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.hero-shop-title {
    font-family: var(--font-jost);
    font-size: clamp(2.2rem, 5.5vw, 4.8rem);
    font-weight: 300;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    color: #ffffff;
    line-height: 1.2;
}

.hero-shop-subtitle {
    font-family: var(--font-serif);
    font-size: clamp(1.05rem, 2.2vw, 1.65rem);
    letter-spacing: 0.15em;
    font-style: italic;
    color: rgba(255, 255, 255, 0.92);
}

/* スライド個別のキャプションタグ */
.hero-slide-caption {
    position: absolute;
    bottom: 2.5rem;
    left: 2.5rem;
    z-index: 4;
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.85rem;
    font-family: var(--font-sans);
    letter-spacing: 0.08em;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(0, 0, 0, 0.35);
    padding: 0.45rem 1.2rem;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    pointer-events: auto;
    transition: all 0.3s ease;
}

.hero-slide-caption:hover {
    background: rgba(0, 0, 0, 0.55);
    border-color: rgba(255, 255, 255, 0.4);
}

/* コントローラー (ドット・矢印) */
.hero-slider-controls {
    position: absolute;
    bottom: 2.5rem;
    right: 2.5rem;
    z-index: 4;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    pointer-events: auto;
}

.hero-slider-arrow {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-slider-arrow:hover {
    background: rgba(255, 255, 255, 0.35);
    border-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.08);
}

.hero-slider-arrow:active {
    transform: scale(0.95);
}

.hero-slider-dots {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.hero-slider-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-slider-dot:hover {
    background: rgba(255, 255, 255, 0.7);
}

.hero-slider-dot.active {
    background: #ffffff;
    width: 28px;
    border-radius: 10px;
}

/* スクロールダウンインジケーター */
.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font-jost);
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    pointer-events: none;
}

.hero-scroll-line {
    width: 1px;
    height: 35px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0));
    animation: scrollLineAnim 2s infinite ease-in-out;
}

@keyframes scrollLineAnim {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    50.1% {
        transform: scaleY(1);
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

@media (max-width: 767px) {
    .shop-hero-slider-section {
        height: calc(100vh - 60px);
        height: calc(100dvh - 60px);
        min-height: 440px;
        margin-bottom: 2.5rem;
    }

    .hero-slider-controls {
        bottom: 1.5rem;
        right: 1.2rem;
        gap: 0.8rem;
    }

    .hero-slider-arrow {
        width: 38px;
        height: 38px;
    }

    .hero-slide-caption {
        bottom: 4.8rem;
        left: 1.2rem;
        max-width: calc(100vw - 2.4rem);
        font-size: 0.75rem;
        padding: 0.35rem 0.9rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .hero-scroll-indicator {
        display: none;
    }
}


/* 在庫切れ時の商品情報エリアの表示 */
.product-card.is-sold-out .product-card-details {
    opacity: 0.7;
}

.product-card.is-sold-out .product-card-price {
    color: #D03B3B;
    /* より明瞭で美しいブランド・アースレッド */
    font-weight: 300;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    /* 字間を広げて上品に際立たせる */
}

/* --------------------------------------------------------------------------
   在庫切れ (SOLD OUT) 時の特別オーバーレイ (画像上のSOLD OUT表示は削除)
   -------------------------------------------------------------------------- */
.product-card.is-sold-out .product-info-overlay {
    background-color: rgba(249, 249, 248, 0.65);
    /* 明るい白すりガラス */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* =========================================
   ローディング ＆ メッセージ表示
   ========================================= */
.shop-loading,
.shop-error {
    grid-column: 1 / -1;
    text-align: center;
    padding: 5rem 0;
    font-family: var(--font-jost);
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* =========================================
   特定商取引法 & プライバシーポリシー（法律対応）レイアウト
   ========================================= */
.legal-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 6rem 2rem 8rem;
}

.legal-title {
    font-family: var(--font-sans);
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--text-main);
}

.legal-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 3rem;
}

.legal-table tr {
    border-bottom: 1px solid var(--border-color);
}

.legal-table th,
.legal-table td {
    padding: 1.5rem 1rem;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    line-height: 1.8;
    text-align: left;
    vertical-align: top;
}

.legal-table th {
    font-family: var(--font-sans);
    font-weight: 500;
    color: var(--text-main);
    width: 250px;
}

.legal-table td {
    font-family: var(--font-sans);
    color: #4B5563;
}

.legal-table ul {
    padding-left: 1.2rem;
    list-style-position: outside;
    margin: 0;
}

.legal-content {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    line-height: 2;
    color: #4B5563;
}

.legal-section {
    margin-bottom: 3rem;
}

.legal-section h3 {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.legal-section p {
    margin-bottom: 1rem;
}

.legal-section ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.legal-section li {
    margin-bottom: 0.5rem;
}

/* =========================================
   フッターデザイン (北欧エディトリアル・モダンスタイル)
   ========================================= */
.shop-footer {
    border-top: 1px solid rgba(17, 17, 17, 0.08);
    padding: 4rem 2rem 2.5rem;
    background-color: var(--bg-main);
    color: var(--text-main);
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 1024px) {
    .shop-footer {
        padding: 4.5rem 3rem 2.5rem;
    }
}

.shop-footer-inner {
    max-width: 100%;
    margin: 0 auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

/* ブランド行 */
.footer-brand-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 1px solid rgba(17, 17, 17, 0.06);
    padding-bottom: 1.2rem;
}

.footer-logo {
    font-family: var(--font-jost);
    font-size: 2.2rem;
    font-weight: 300;
    letter-spacing: 0.25em;
    text-decoration: none;
    color: var(--text-main);
    display: inline-block;
    margin-bottom: 0.4rem;
}

.footer-brand-concept {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-style: italic;
    color: var(--text-muted);
    letter-spacing: 0.08em;
}

.back-to-top-btn {
    background: transparent;
    border: 1px solid rgba(17, 17, 17, 0.2);
    padding: 0.65rem 1.5rem;
    border-radius: 30px;
    font-family: var(--font-jost);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.back-to-top-btn:hover {
    background-color: var(--text-main);
    color: #ffffff;
    border-color: var(--text-main);
    transform: translateY(-2px);
}

/* 5列ナビゲーション */
.footer-nav-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2.2rem;
}

@media (max-width: 1200px) {
    .footer-nav-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2.5rem;
    }
}

@media (max-width: 767px) {
    .footer-nav-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem 1.2rem;
    }
}

.footer-col-title {
    font-family: var(--font-jost);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--text-main);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.footer-col-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer-col-list a {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    color: #555555;
    text-decoration: none;
    letter-spacing: 0.06em;
    transition: color 0.3s ease, transform 0.3s ease;
    display: inline-block;
}

.footer-col-list a:hover {
    color: var(--text-main);
    transform: translateX(4px);
}

.footer-store-address {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    line-height: 1.7;
    color: #666666;
    margin-bottom: 1.5rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-jost);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--text-main);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.social-link:hover {
    opacity: 0.6;
}

/* フッター内動的セレクトボックス (デザイナー・メーカー) */
.footer-select-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.2rem;
}

.footer-select {
    width: 100%;
    max-width: 180px;
    padding: 0.55rem 0.9rem;
    font-family: var(--font-jost);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: var(--text-main);
    background-color: transparent;
    border: 1px solid rgba(17, 17, 17, 0.15);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    transition: border-color 0.3s ease, background-color 0.3s ease;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23111111' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
    padding-right: 2rem;
}

.footer-select:hover,
.footer-select:focus {
    border-color: var(--text-main);
    background-color: rgba(17, 17, 17, 0.03);
}

.footer-select option {
    background-color: #ffffff;
    color: #111111;
    font-size: 0.85rem;
}

/* 最下部 */
.footer-bottom-row {
    border-top: 1px solid rgba(17, 17, 17, 0.06);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    font-family: var(--font-jost);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

@media (max-width: 1023px) {
    .footer-nav-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
}

@media (max-width: 639px) {
    .shop-footer {
        padding: 3.5rem 1.5rem 2.5rem;
    }

    .shop-footer-inner {
        gap: 2.5rem;
    }

    .footer-brand-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.2rem;
        padding-bottom: 2rem;
    }

    .footer-logo {
        font-size: 1.8rem;
    }

    .footer-brand-concept {
        font-size: 0.9rem;
    }

    .footer-nav-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem 1.2rem;
    }

    .footer-col-title {
        font-size: 0.75rem;
        margin-bottom: 1rem;
    }

    .footer-col-list {
        gap: 0.65rem;
    }

    .footer-col-list a {
        font-size: 0.78rem;
    }

    .footer-store-address {
        font-size: 0.78rem;
        margin-bottom: 1rem;
    }

    .footer-bottom-row {
        padding-top: 1.5rem;
    }
}

/* =========================================
   レスポンシブメディアクエリ
   ========================================= */
@media (max-width: 767px) {

    .shop-container,
    .legal-container {
        padding: 1rem 1rem 5rem;
        /* 左右の余白を1remに縮小し表示領域を広く確保 */
    }

    /* モバイル時：スライダー矢印を画像の外側ギリギリに寄せる */
    .slider-arrow-prev {
        left: 0.5rem !important;
    }

    .slider-arrow-next {
        right: 0.5rem !important;
    }

    .shop-title {
        font-size: 1.8rem;
    }

    .legal-table th,
    .legal-table td {
        display: block;
        width: 100%;
        padding: 1rem 0;
    }

    .legal-table th {
        border-bottom: none;
        padding-bottom: 0.2rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

/* =========================================
   商品詳細ページ レイアウト ＆ スタイル
   ========================================= */
.product-detail-layout {
    display: flex;
    flex-direction: column;
    gap: 0rem;
    width: 100%;
}

@media (min-width: 769px) {
    .product-detail-layout {
        flex-direction: row;
        align-items: flex-start;
    }
}

/* 左カラム：画像スライダーギャラリー */
.product-gallery-column {
    flex: 1.2;
    width: 100%;
    position: relative;
}

@media (min-width: 769px) {
    .product-gallery-column {
        position: sticky;
        top: 100px;
        height: calc(100vh - 120px);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
}


/* ── PC用（元の比率）とスマホ用（1:1クロップ）スライダーの表示切り替え ── */

/* スマホ表示時（デフォルト） */
#slider-gallery-pc {
    display: none;
}

#slider-gallery-sp {
    display: block;
}

/* PC表示時（769px以上） */
@media (min-width: 769px) {
    #slider-gallery-sp {
        display: none;
    }

    #slider-gallery-pc {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 100%;
        margin: 0 auto;
    }

    /* ── 1024px以下 (画面幅1024px以下での 3:4 縦長アスペクト比制御) ── */
    @media (max-width: 1024px) {
        #slider-gallery-pc .main-slider-wrapper {
            aspect-ratio: 3 / 4 !important;
            height: auto !important;
            max-height: calc(100vh - 220px) !important;
            background-color: var(--bg-alt);
            margin: 0 auto 0.5rem auto !important;
        }
    }

    /* ── 1025px以上 (大画面：3:4 縦長アスペクト比 ＆ 最大900px制御) ── */
    @media (min-width: 1025px) {
        #slider-gallery-pc .main-slider-wrapper {
            aspect-ratio: 3 / 4 !important;
            width: 100%;
            max-width: 900px !important;
            height: auto !important;
            max-height: min(900px, calc(100vh - 250px)) !important;
            overflow: hidden !important;
            background-color: transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.5rem auto !important;
        }
    }

    #slider-gallery-pc .thumbnail-list {
        justify-content: flex-start;
        justify-content: safe center;
        max-width: min(900px, 100%) !important;
        width: 100%;
        margin: 0 auto;
    }
}

/* ── 全ギャラリー共通 (初期の自然な横スライド移動ルール) ── */
.main-slider {
    display: flex !important;
    width: 100% !important;
    height: 100% !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    scroll-snap-type: x mandatory !important;
    scroll-behavior: smooth !important;
    position: relative !important;
    -webkit-overflow-scrolling: touch;
}

.slider-slide {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    flex: 0 0 100% !important;
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    height: 100% !important;
    opacity: 1 !important;
    visibility: visible !important;
    scroll-snap-align: start !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.slider-slide img {
    width: 100%;
    max-width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    margin: 0 auto;
    display: block;
}

/* ── 補足インフォメーションボックスの定義（PCとスマホで配置切り替え） ── */
.gallery-info-box {
    margin-top: 2rem;
    padding: 1.8rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: left;
}

.gallery-info-box .info-section {
    margin-bottom: 0.8rem;
}

.gallery-info-box .info-section:last-child {
    margin-bottom: 0;
}

.gallery-info-box .info-section--vintage {
    border-top: 1px dashed var(--border-color);
    padding-top: 0.8rem;
    margin-top: 0.8rem;
}

.gallery-info-box summary.info-title {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin: 0;
    color: var(--text-main);
    text-transform: uppercase;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    list-style: none;
}

.gallery-info-box summary.info-title::-webkit-details-marker {
    display: none;
}

.gallery-info-box .info-toggle-icon {
    position: relative;
    width: 12px;
    height: 12px;
    display: inline-block;
    flex-shrink: 0;
}

.gallery-info-box .info-toggle-icon::before,
.gallery-info-box .info-toggle-icon::after {
    content: '';
    position: absolute;
    background-color: var(--text-main);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.gallery-info-box .info-toggle-icon::before {
    top: 5px;
    left: 0;
    width: 12px;
    height: 1px;
}

.gallery-info-box .info-toggle-icon::after {
    top: 0;
    left: 5px;
    width: 1px;
    height: 12px;
}

.gallery-info-box details[open] .info-toggle-icon::after {
    transform: rotate(90deg);
    opacity: 0;
}

.gallery-info-box .info-text {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    line-height: 1.7;
    color: var(--text-muted);
    margin-top: 0.8rem;
    margin-bottom: 0;
    padding-left: 0.2rem;
}

.gallery-info-box {
    margin-top: 2.5rem;
    margin-bottom: 2rem;
    display: block;
    max-width: 600px;
    width: 100%;
}

@media (max-width: 768px) {
    .gallery-info-box {
        max-width: none !important;
        width: 100% !important;
    }
}


.main-slider-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background-color: var(--bg-alt);
    margin-bottom: 1.5rem;
}

.main-slider {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    width: 100%;
    height: 100%;
    -ms-overflow-style: none;
    /* IE and Edge */
    scrollbar-width: none;
    /* Firefox */
}

.main-slider::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari, Opera */
}

/* =========================================
   縦並び画像スタック（元の比率で表示）
   ========================================= */

/* ── 表示切り替え：PCは縦並びスタック、スマホはスライダー ── */
/* スマホ（1カラム）：スタックを非表示、スライダーを表示 */
.image-stack {
    display: none;
}

.slider-gallery {
    display: block;
}

/* PC（2カラム）：スタックを表示、スライダーを非表示 */
@media (min-width: 769px) {
    .image-stack {
        display: flex;
        flex-direction: column;
        gap: 2.5rem;
        /* 画像間の隙間 */
        width: 100%;
    }

    .slider-gallery {
        display: none;
    }
}

.stack-image-item {
    position: relative;
    width: 100%;
    line-height: 0;
    /* 画像下部の不要な空白を除去 */
}

.stack-image-item img {
    width: 100%;
    height: auto;
    /* 元の比率を保持 */
    display: block;
    cursor: zoom-in;
}

/* ズームバッジ：ホバー時に表示（.slider-slideと共用） */
.stack-image-item .zoom-badge {
    top: 12px;
    right: 12px;
}

@media (min-width: 769px) {
    .stack-image-item:hover .zoom-badge {
        opacity: 1;
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    .stack-image-item .zoom-badge {
        opacity: 0.85;
        transform: scale(1);
    }
}



/* サムネイル＋両脇矢印ボタン制御用ラッパー */
.thumbnail-row-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    max-width: min(900px, 100%);
    margin: 0.8rem auto 0 auto;
    position: relative;
}

.thumbnail-row-wrapper .thumbnail-list {
    flex: 1;
    min-width: 0;
    margin: 0 !important;
}

.thumbnail-row-wrapper .slider-arrow {
    position: static;
    top: auto;
    left: auto;
    right: auto;
    transform: none;
    width: 24px;
    height: 32px;
    min-width: 24px;
    background: transparent !important;
    border: none !important;
    border-radius: 0;
    opacity: 0.45 !important;
    flex-shrink: 0;
    cursor: pointer;
    transition: opacity 0.3s ease, transform 0.3s ease;
    padding: 0;
}

.thumbnail-row-wrapper .slider-arrow::before {
    width: 15px;
    height: 15px;
    border-top: 1px solid var(--text-main);
    border-left: 1px solid var(--text-main);
}

.thumbnail-row-wrapper .slider-arrow:hover {
    background: transparent !important;
    border: none !important;
    opacity: 1 !important;
    transform: scale(1.1);
}

.thumbnail-row-wrapper .slider-arrow:hover::before {
    border-color: var(--text-main);
}

/* 左右の矢印ボタン（メイン画像用オーバーレイデフォルト） */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background-color: rgba(249, 249, 248, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 10;
    transition: opacity 0.4s ease, background-color 0.4s ease;
    opacity: 0;
}

.main-slider-wrapper:hover .slider-arrow {
    opacity: 1;
}

.slider-arrow:hover {
    background-color: #FFFFFF;
}

.slider-arrow-prev {
    left: 1.5rem;
}

.slider-arrow-next {
    right: 1.5rem;
}

.slider-arrow::before {
    content: '';
    width: 7px;
    height: 7px;
    border-top: 1.5px solid var(--text-main);
    border-left: 1.5px solid var(--text-main);
    display: inline-block;
    transition: border-color 0.3s ease;
}

.slider-arrow-prev::before {
    transform: rotate(-45deg);
    margin-left: 2px;
}

.slider-arrow-next::before {
    transform: rotate(135deg);
    margin-right: 2px;
}

/* サムネイル画像リスト */
.thumbnail-list {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.thumbnail-item {
    flex: 0 0 70px;
    width: 70px;
    aspect-ratio: 4 / 3;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.4s ease;
    background-color: var(--bg-alt);
    overflow: hidden;
}

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

.thumbnail-item:hover {
    opacity: 0.8;
}

.thumbnail-item.active {
    opacity: 1;
}

/* 右カラム：商品スペック・注文情報 */
.product-info-column {
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    /* padding-left: 0; */
    /* padding-top: 3rem; */
    padding: 3rem 0 0 0;
}


.detail-product-name-wrapper {
    margin: 0;
    padding: 0;
    display: block;
}

.detail-product-name {
    display: block;
    font-family: var(--font-sans);
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    line-height: 1.4;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.detail-product-meta {
    display: block;
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--text-light, #8e8e8e);
    /* 上品なグレー */
    margin-top: -0.5rem;
    margin-bottom: 1.2rem;
}

.detail-product-meta .meta-link {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease, border-bottom-color 0.3s ease;
    border-bottom: 1px solid transparent;
}

.detail-product-meta .meta-link:hover {
    color: var(--text-main);
    border-bottom-color: var(--text-main);
}

/* 独立した商品価格エリアのプレミアムスキン */
.detail-product-price {
    font-family: var(--font-jost);
    font-size: 1.4rem;
    /* 大きく表示して存在感をアップ */
    font-weight: 300;
    letter-spacing: 0.05em;
    color: var(--text-main);
    margin-bottom: 2rem;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.detail-product-price .price-num {
    font-weight: 300;
}

.detail-product-price .price-tax {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.detail-product-price .price-stock {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-light, #8e8e8e);
    letter-spacing: 0.05em;
}

.detail-product-price .price-sep {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--text-light, #c0c0c0);
    margin: 0 0.1rem;
}

.detail-product-price .detail-soldout-label {
    font-family: var(--font-jost);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: #FFFFFF;
    background-color: rgba(17, 17, 17, 0.9);
    padding: 0.4rem 1.2rem;
    text-transform: uppercase;
    align-self: center;
}

.detail-product-description {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    line-height: 2;
    color: #4B5563;
    white-space: pre-wrap;
    margin-bottom: 3.5rem;
}

/* =========================================
   🛍️ C案：プレミアム・アンティーク・クラシック (商品スペック)
   ========================================= */
.detail-specifications {
    margin-bottom: 3.5rem;
}

.product-specs-classic {
    display: grid;
    grid-template-columns: calc(50% - 1.1rem) calc(50% - 1.1rem);
    /* 完全に均等（1:1）に横並び */
    column-gap: 2.2rem;
    /* 左右列の間に優雅な隙間を確保 */
    width: 100%;
    border-top: 1px solid rgba(17, 17, 17, 0.05);
    /* 極限まで薄く繊細なライン */
}

/* スマホ表示ではすべて1列（縦並び）に戻して窮屈さを防止 */
@media (max-width: 639px) {
    .product-specs-classic {
        grid-template-columns: 1fr !important;
    }

    .spec-classic-row.full-width {
        grid-column: span 1 !important;
        /* 後続のベース定義からの上書きを防ぎ、確実に1列にする */
    }
}

.spec-classic-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-width: 0;
    /* WebKit/Blinkのグリッドバグを防止し、完全に1:1の幅を維持する */
    padding: 1.1rem 0.5rem;
    border-bottom: 1px solid rgba(17, 17, 17, 0.05);
    /* 極限まで薄く繊細なライン */
    transition: background-color 0.4s ease, padding-left 0.4s ease;
    grid-column: span 1;
    /* デフォルトは半幅（2列横並び） */
}

/* Size や Share などの横長項目用のフル幅指定 */
.spec-classic-row.full-width {
    grid-column: span 2;
}

.spec-classic-row:hover {
    background-color: rgba(17, 17, 17, 0.01);
    /* 微細なホバー背景変化 */
    padding-left: 0.8rem;
    /* 優しく少し右にスライドするエレガントな演出 */
}

.spec-classic-label {
    font-family: var(--font-jost);
    /* Jostフォントを適用 */
    font-size: 1rem;
    font-weight: 300;
    font-style: italic;
    /* 斜体 */
    color: var(--text-main);
    letter-spacing: 0.05em;
    flex: 0 0 80px;
    /* 横並び時に邪魔しないよう少し狭める */
}

.spec-classic-value {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-main);
    text-align: right;
    flex: 1;
    letter-spacing: 0.05em;
}

/* 数字用の端正なスタイリング */
.spec-classic-value:not(:has(a)) {
    font-family: var(--font-jost), var(--font-sans);
}

/* Shareアイコンのホバースタイリング */
.spec-classic-value .share-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.3s ease, opacity 0.3s ease;
    padding: 0.15rem;
    position: relative;
}

.spec-classic-value .share-link:hover {
    color: var(--accent-color);
    /* KUPPIのアースカラーに優しく色づく */
    opacity: 0.9;
}

/* ボタンのプレミアムデザイン */
.checkout-button {
    width: 100%;
    background-color: var(--text-main);
    color: #FFFFFF;
    font-family: var(--font-jost);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    padding: 1.4rem 2rem;
    border: 1px solid var(--text-main);
    cursor: pointer;
    text-transform: uppercase;
    transition: background-color 0.4s ease, color 0.4s ease, opacity 0.4s ease;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    margin-top: auto;
}

.checkout-button:hover {
    background-color: transparent;
    color: var(--text-main);
}

.checkout-button:disabled {
    background-color: var(--bg-alt);
    color: var(--text-muted);
    border-color: var(--bg-alt);
    cursor: not-allowed;
    opacity: 0.6;
}

.shop-back-link {
    font-family: var(--font-jost);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-decoration: none;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    margin-top: 2rem;
    /* 上の商品詳細エリアと上品な隙間をあける */
    margin-bottom: 2.5rem;
    margin-left: 0.1rem;
    /* フッターとの間隔 */
    transition: color 0.4s ease;
}

.shop-back-link:hover {
    color: var(--text-main);
}

.shop-back-link::before {
    content: '';
    width: 6px;
    height: 6px;
    border-top: 1px solid currentColor;
    border-left: 1px solid currentColor;
    transform: rotate(-45deg);
    display: inline-block;
}

/* PC2カラム用（769px以上で表示、モバイルでは非表示） */
.shop-back-link--pc {
    display: none;
}

/* モバイル1カラム用（768px以下で表示、PCでは非表示） */
.shop-back-link--mobile {
    display: none;
}

@media (min-width: 769px) {

    /* PCではPC用を表示し、モバイル用を非表示 */
    .shop-back-link--pc {
        display: inline-flex;
    }

    .shop-back-link--mobile {
        display: none;
    }
}

@media (max-width: 768px) {

    /* モバイルではモバイル用を表示し、PC用を非表示 */
    .shop-back-link--pc {
        display: none;
    }

    .shop-back-link--mobile {
        display: inline-flex;
    }
}

/* ==========================================================================
   共通ヘッダー・モバイルドロワー・リップルアニメーションの統合スタイル
   ========================================================================== */

/* ヘッダーの調整 */
.global-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(1.2rem + env(safe-area-inset-top)) 1.5rem 1.2rem;
    pointer-events: none;
    box-sizing: border-box;
}

.global-header>* {
    pointer-events: auto;
}

@media (min-width: 768px) {
    .global-header {
        padding: 1.5rem 2rem;
    }
}

@media (min-width: 1024px) {
    .global-header {
        padding: 1.5rem 3rem;
    }
}

/* ヘッダー文字色（白背景で見えるように常に黒とする） */
.global-header .logo-text,
.global-header .main-nav a,
.global-header .lang-btn,
.global-header .lang-sep {
    color: var(--text-main) !important;
}

.global-header .menu-button .menu-bar {
    background-color: var(--text-main);
}

/* モバイルメニュー展開時：全画面スライダー時であっても「閉じる×ボタン」を黒色に強制 */
.is-menu-open .global-header .menu-button .menu-bar,
.has-hero-slider.is-menu-open .global-header .menu-button .menu-bar,
body.is-menu-open .global-header .menu-button .menu-bar {
    background-color: var(--text-main) !important;
    box-shadow: none !important;
}

.is-menu-open .header-sticky-wrapper,
.has-hero-slider.is-menu-open .header-sticky-wrapper,
.has-hero-slider .header-sticky-wrapper.is-scrolled.is-menu-open,
body.is-menu-open .header-sticky-wrapper {
    z-index: 1050 !important;
    background-color: transparent !important;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: none !important;
    box-shadow: none !important;
}

.global-header .logo-cup {
    display: none !important;
}

/* モバイルメニュー展開時：右上のアクションエリアの不要なタッチ判定を無効化し、閉じるボタンのみを有効にする */
.is-menu-open .header-right-actions {
    pointer-events: none;
}

.is-menu-open .menu-button {
    pointer-events: auto;
}

/* モバイルメニュー展開時：お気に入り、カート、検索ボタンを非表示にする */
.is-menu-open .header-fav-btn,
.is-menu-open .header-cart-btn,
.is-menu-open .header-search-btn {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

/* 通常時：ボタン出現・ホバー時のなめらかなアニメーション設定 */
.header-fav-btn,
.header-cart-btn,
.header-search-btn {
    transition: opacity 0.4s ease, visibility 0.4s ease, transform 0.3s ease;
}

/* モバイルメニュー展開時：背後のヘッダーロゴをフェードアウト */
.is-menu-open .global-header .logo {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

/* モバイルメニュー展開時：ヘッダー背景をクリア */
.is-menu-open .global-header {
    background-color: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
}

/* モバイルメニュー展開時：背後のスクロール防止 */
body.is-menu-open {
    overflow: hidden !important;
    height: 100% !important;
    touch-action: none;
}

/* モバイルメニュー展開時：背後をぼかす */
.is-menu-open .shop-container,
.is-menu-open .legal-container,
.is-menu-open .shop-footer {
    filter: blur(20px);
    opacity: 0.7;
    pointer-events: none;
    transition: filter 0.4s ease, opacity 0.4s ease;
}

/* Safariにおける3Dレンダリングとぼかしの干渉（突き抜けバグ）を防止 */
.is-menu-open .product-card {
    transform: none !important;
}

/* ナビゲーションの配置調整 */
.main-nav {
    display: none;
    gap: 2rem;
}

@media(min-width: 768px) {
    .main-nav {
        display: flex;
        align-items: center;
    }
}

.main-nav a {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    text-decoration: none;
    text-transform: uppercase;
    transition: opacity 0.5s;
    opacity: 1;
}

.main-nav a.active {
    opacity: 1;
    color: var(--accent-color);
}

/* PC用ドロップダウンメニュー */
@media(min-width: 768px) {
    .nav-item-dropdown {
        position: relative;
        display: inline-flex;
        align-items: center;
    }

    .dropdown-trigger {
        cursor: pointer;
        padding-right: 0.2rem;
    }

    .dropdown-menu {
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%) translateY(10px);
        background-color: rgba(255, 255, 255, 0.85);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid rgba(17, 17, 17, 0.08);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        border-radius: 8px;
        padding: 0.5rem 0;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s;
        z-index: 2000;
        min-width: 140px;
    }

    .dropdown-menu::before {
        content: '';
        position: absolute;
        top: -15px;
        left: 0;
        width: 100%;
        height: 15px;
        display: block;
    }

    .nav-item-dropdown:hover .dropdown-menu,
    .nav-item-dropdown.is-open .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(5px);
    }

    .dropdown-item {
        font-family: var(--font-sans);
        font-size: 0.65rem;
        font-weight: 400;
        letter-spacing: 0.15em;
        text-decoration: none;
        color: var(--text-main) !important;
        padding: 0.6rem 1.2rem;
        display: block;
        white-space: nowrap;
        text-align: center;
        transition: background-color 0.3s ease, color 0.3s ease;
        opacity: 1 !important;
    }

    .dropdown-item:hover {
        background-color: rgba(17, 17, 17, 0.04);
    }
}

/* 右側アクション */
.header-right-group {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.header-right-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    pointer-events: auto;
}

.lang-toggle {
    display: none !important;
    /* ショップページでは常に見せる -> 非表示に変更 */
    align-items: center;
    gap: 0.25rem;
    font-family: var(--font-jost);
    font-size: 11px;
    letter-spacing: 0.15em;
    color: inherit;
}

.is-menu-open .global-header .lang-toggle {
    display: none !important;
}

.lang-btn {
    background: none;
    border: none;
    padding: 0.25rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.4;
    transition: opacity 0.3s ease;
    font-family: inherit;
    font-size: inherit;
    letter-spacing: inherit;
}

.lang-btn.active {
    opacity: 1;
    font-weight: 500;
}

.lang-btn:hover {
    opacity: 0.8;
}

.lang-sep {
    opacity: 0.3;
    font-size: 10px;
}

/* ハンバーガーボタン */
.menu-button {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 8px;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    position: relative;
    z-index: 1050 !important;
    color: inherit;
}

@media(min-width: 768px) {
    .menu-button {
        display: none;
    }
}

.menu-bar {
    width: 100%;
    height: 1px;
    background-color: currentColor;
    transition: transform 0.4s ease, opacity 0.3s ease;
    transform-origin: center;
}

.menu-bar:nth-child(2) {
    display: none;
}

.is-menu-open .menu-bar:nth-child(1) {
    transform: translateY(3.5px) rotate(45deg);
}

.is-menu-open .menu-bar:nth-child(2) {
    opacity: 0;
}

.is-menu-open .menu-bar:nth-child(3) {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* モバイル用ドロワーメニュー */
.overlay-menu {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    z-index: 100;
    visibility: hidden;
    opacity: 1;
    pointer-events: none;
    transition: visibility 0s linear 0.6s;
    /* 閉じる時: 子のアニメ完了を待ってから非表示 */
}

.overlay-menu.is-active {
    visibility: visible;
    pointer-events: auto;
    transition: visibility 0s linear 0s;
    /* 開く時: 即座に表示 */
}

.overlay-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(17, 17, 17, 0.3);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
}

.overlay-menu.is-active .overlay-backdrop {
    opacity: 1;
}

.overlay-drawer {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 80%;
    max-width: 380px;
    height: 100%;
    height: 100dvh;
    background-color: var(--bg-main);
    z-index: 2;
    transform: translateX(100%);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 6rem 2rem 4rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.03);
}

.overlay-menu.is-active .overlay-drawer {
    transform: translateX(0);
}

.overlay-drawer-logo {
    width: 90px;
    height: auto;
    margin-bottom: 0.8rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    transition-delay: 0.05s;
}

.overlay-menu.is-active .overlay-drawer-logo {
    opacity: 1;
    transform: translateY(0);
}

.drawer-logo-img {
    width: 100%;
    height: auto;
    display: block;
}

.overlay-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.2rem;
    width: 100%;
}

.overlay-link {
    font-family: var(--font-jost);
    font-size: 1.25rem;
    font-weight: 300;
    letter-spacing: 0.4rem;
    text-decoration: none;
    color: var(--text-main);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    display: inline-block;
    width: fit-content;
    margin: 0 auto;
    text-align: center;
}

.overlay-menu.is-active .overlay-link {
    opacity: 1;
    transform: translateY(0);
}

.overlay-menu.is-active .overlay-nav>*:nth-child(1) {
    transition-delay: 0.1s;
}

.overlay-menu.is-active .overlay-nav>*:nth-child(2) {
    transition-delay: 0.15s;
}

.overlay-menu.is-active .overlay-nav>*:nth-child(3) {
    transition-delay: 0.2s;
}

.overlay-menu.is-active .overlay-nav>*:nth-child(4) {
    transition-delay: 0.25s;
}

.overlay-menu.is-active .overlay-nav>*:nth-child(5) {
    transition-delay: 0.3s;
}

.overlay-menu.is-active .overlay-nav>*:nth-child(6) {
    transition-delay: 0.35s;
}

.overlay-menu.is-active .overlay-nav>*:nth-child(7) {
    transition-delay: 0.4s;
}

/* アコーディオンメニュー */
.overlay-accordion {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.accordion-toggle-input {
    display: none;
}

.accordion-trigger-label {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    padding: 0 0.5rem;
    user-select: none;
}

.accordion-icon {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform 0.3s ease;
    margin-left: 0.3rem;
    transform-origin: center;
}

.accordion-toggle-input:checked~.accordion-trigger-label .accordion-icon {
    transform: rotate(-135deg) translateY(2px);
}

.overlay-accordion-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease, margin-top 0.4s ease;
}

.accordion-toggle-input:checked~.overlay-accordion-content {
    max-height: 180px;
    opacity: 1;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.overlay-sub-link {
    font-family: var(--font-jost);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    text-decoration: none;
    color: var(--text-main);
    opacity: 0.6;
    transition: opacity 0.3s ease, transform 0.3s ease;
    text-transform: uppercase;
}

.overlay-sub-link:hover {
    opacity: 1;
    transform: translateY(-1px);
}

/* SNS・言語（モバイル） */
.overlay-sns {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-top: 1rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    transition-delay: 0.45s;
}

.overlay-menu.is-active .overlay-sns {
    opacity: 1;
    transform: translateY(0);
}

.overlay-sns a {
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.overlay-sns svg {
    width: 18px;
    height: 18px;
    stroke-width: 1.2;
}

.overlay-lang-toggle {
    display: none !important;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-jost);
    font-size: 14px;
    letter-spacing: 0.2em;
    color: var(--text-main);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    transition-delay: 0.4s;
    margin-top: 0.5rem;
}

.overlay-menu.is-active .overlay-lang-toggle {
    opacity: 1;
    transform: translateY(0);
}

.overlay-lang-toggle .lang-btn {
    padding: 0.5rem;
    font-size: 10px;
}

.overlay-footer {
    position: relative;
    margin-top: auto;
    padding-top: 5rem;
    padding-bottom: 1rem;
    text-align: center;
    width: 100%;
}

.overlay-footer p {
    font-size: 0.75rem;
    color: #9ca3af;
    letter-spacing: 0.1em;
}


/* ホバー波打ち（リップル）効果 */
.ripple-char {
    display: inline-block;
    color: inherit;
    transition: color 0.6s ease-out;
    white-space: pre;
}

.ripple-char.is-ripple {
    color: #bcbcbc !important;
    transition: color 0.2s ease-in;
}

/* =========================================
   🛍️ 動的商品詳細：初期2カラム ✕ 1:1正方形スライダー
   ========================================= */
.shop-container:has(.product-detail-layout),
.shop-container:has(#product-detail) {
    max-width: 100%;
    min-height: 85vh; /* 読み込み前後のフッター移動（CLS）を完全に防止 */
}

.product-detail-layout {
    width: 100%;
    max-width: 100%;
    min-height: 70vh; /* 詳細レイアウト自体の高さを確保 */
    margin: 0.3rem auto 1rem auto;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0rem;
}



/* 768pxを超える幅（769px以上）で、美しい左右2カラムレイアウトを適用 */
@media (min-width: 769px) {
    .product-detail-layout {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
        gap: 0rem;
    }

    /* 左画像スライダー列（画面中央にSticky固定・自動拡縮・左右中央寄せ） */
    .product-gallery-column {
        flex: 1.5;
        width: 100%;
        min-width: 0;
        position: sticky;
        top: 100px;
        height: calc(100vh - 120px);
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
    }

    /* 右商品スペック・アクション列（テキストスクロールエリア） */
    .product-info-column {
        flex: 1;
        width: 100%;
        min-width: 0;
        padding: 0 0 0 3rem;
        position: static;
        top: auto;
        align-self: flex-start;
    }

    .product-info-inner {
        width: 100%;
        max-width: 500px;
    }
}

/* 1024px以上の広さがあるPC画面では、gapを3remに少し広げる */
@media (min-width: 1024px) {
    .product-detail-layout {
        gap: 0rem;
    }
}

/* 1200px以上の十分な広さがある大画面では、ゆったりとしたエレガントな余白を確保 */
@media (min-width: 1200px) {
    .product-detail-layout {
        gap: 0rem;
        /* 大画面のみ隙間を5.5remに広げる */
    }
}

/* =========================================
   📲 1:1正方形スライダー ＆ サムネイル
   ========================================= */
.main-slider-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    /* 縦長3:4に設定 */
    overflow: hidden;
    background-color: var(--bg-alt);
    margin-bottom: 1.5rem;
}

.main-slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    width: 100%;
    height: 100%;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.main-slider::-webkit-scrollbar {
    display: none;
}

.slider-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    scroll-snap-align: start;
}

.slider-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* クロップ崩れ防止 */
}

/* サムネイルリスト */
.thumbnail-list {
    display: flex;
    gap: 0.6rem;
    overflow-x: auto;
    max-width: min(900px, 100%);
    width: 100%;
    padding-bottom: 0.5rem;
    box-sizing: border-box;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.thumbnail-list::-webkit-scrollbar {
    height: 4px;
}

.thumbnail-list::-webkit-scrollbar-track {
    background: transparent;
}

.thumbnail-list::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 4px;
}

.thumbnail-item {
    flex: 0 0 70px;
    width: 70px;
    aspect-ratio: 1 / 1;
    /* サムネイルも正方形 */
    cursor: pointer;
    opacity: 0.4;
    transition: opacity 0.3s ease;
    background-color: var(--bg-alt);
    overflow: hidden;
}

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

.thumbnail-item:hover {
    opacity: 0.8;
}

.thumbnail-item.active {
    opacity: 1;
}


/* =========================================
   ✍️ 右情報カラム：プレミアムスキン
   ========================================= */
.detail-product-name {
    display: block;
    font-family: var(--font-sans);
    font-size: 1.8rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    line-height: 1.45;
    color: var(--text-main);
    margin-bottom: 2rem;
    text-align: left;
}

/* モバイル表示（1024px以下）ではフォントサイズを1.5remに調整 */
@media (max-width: 1024px) {
    .detail-product-name {
        font-size: 1.5rem;
    }
}

.detail-product-meta {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--text-light, #8e8e8e);
    /* 上品なグレー */
    margin-top: -1.2rem;
    margin-bottom: 1.8rem;
}

.detail-product-description {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    line-height: 2.1;
    letter-spacing: 0.05em;
    color: var(--text-main);
    white-space: pre-wrap;
    margin-bottom: 3rem;
}

/* 古いスペック定義の廃止（product-specs-gridへの統合） */
.product-info-column .detail-specifications {
    margin-bottom: 2.5rem;
}

.share-icon {
    width: 14px;
    height: 14px;
    display: block;
}

/* Copied! ツールチップ */
.copy-tooltip {
    position: absolute;
    bottom: 130%;
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    background-color: var(--text-main);
    color: #FFFFFF;
    font-family: var(--font-jost);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    padding: 0.3rem 0.6rem;
    border-radius: 3px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s;
    z-index: 100;
}

.copy-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 4px;
    border-style: solid;
    border-color: var(--text-main) transparent transparent transparent;
}

.copy-tooltip.is-show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* 主要アクションブロック（数量・購入ボタン） */
.detail-action-block {
    display: flex;
    flex-direction: column;
    margin-top: 2rem;
    margin-bottom: 3.5rem;
    /* 価格と商品説明の間の心地よい余白 */
}

/* スペック表内のエレガントなリンクデザイン */
.spec-classic-value .spec-classic-link {
    color: var(--text-main);
    text-decoration: none;
    border-bottom: 1px solid rgba(17, 17, 17, 0.15);
    /* 繊細な極細アンダーライン */
    padding-bottom: 2px;
    font-weight: 400;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.spec-classic-value .spec-classic-link:hover {
    color: var(--accent-color);
    /* ホバー時にKUPPIアースカラーに色づく */
    border-color: var(--accent-color);
}

.detail-action-link {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    color: var(--text-main);
    text-decoration: none;
    padding: 0.35rem 0;
    transition: opacity 0.3s ease;
    display: inline-block;
    width: fit-content;
}

.detail-action-link:hover {
    opacity: 0.5;
}

/* 注文手続きへ（分かりやすいプレミアムボタンデザイン） */
.detail-action-link.checkout-action {
    display: inline-block;
    width: 100%;
    text-align: center;
    background-color: var(--text-main);
    color: #FFFFFF !important;
    font-weight: 500;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    padding: 0.85rem 2rem;
    border: 1px solid var(--text-main);
    text-decoration: none;
    transition: background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1), color 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    margin-bottom: 0.5rem;
    box-sizing: border-box;
}

.detail-action-link.checkout-action:hover {
    background-color: transparent;
    color: var(--text-main) !important;
    opacity: 1;
}

/* SOLD OUT時（白抜きブランド・アースレッドボタン） */
.detail-soldout-text {
    display: inline-block;
    width: 100%;
    text-align: center;
    background-color: #ffe500;
    color: #FFFFFF;
    /* 文字色を白にして高い視認性を確保 */
    font-family: var(--font-jost), var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    /* 太字にして「売り切れ」をはっきりと表現 */
    letter-spacing: 0.15em;
    padding: 1.1rem 2rem;
    border: none;
    /* 枠線を無くしてすっきりモダンに */
    box-sizing: border-box;
    margin-bottom: 0.5rem;
    cursor: not-allowed;
}

/* =========================================
   プレミアム数量カウンターの北欧モダンデザイン
   ========================================= */
.quantity-selector-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    font-size: 0.88rem;
    letter-spacing: 0.05em;
}

.quantity-label {
    font-family: var(--font-sans);
    font-weight: 500;
    color: var(--text-main);
}

.quantity-counter {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    background-color: transparent;
}

.quantity-btn {
    background: none;
    border: none;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-jost);
    font-size: 1rem;
    font-weight: 300;
    color: var(--text-main);
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease, opacity 0.3s ease;
    user-select: none;
}

.quantity-btn:hover:not(:disabled) {
    background-color: var(--bg-alt);
}

.quantity-btn:disabled {
    opacity: 0.25;
    cursor: not-allowed;
}

.quantity-value {
    width: 42px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-jost);
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-main);
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    text-align: center;
}

/* =========================================
   🖼️ プレミアム・ポップアップスライダー (ライトボックス)
   ========================================= */
.product-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    /* ヘッダーや他のすべてよりも上 */
    animation: lightbox-fadein 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.lightbox-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(17, 17, 17, 0.93);
    /* 美しいダークアースグレー */
    backdrop-filter: blur(10px);
    /* 上質なガラスモーフィズム */
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
}

/* 閉じる（✕）ボタンのプレミアムデザイン */
.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: none;
    border: none;
    color: #FFFFFF;
    font-size: 2.5rem;
    font-weight: 200;
    cursor: pointer;
    z-index: 10002;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s ease, opacity 0.4s ease;
    opacity: 0.6;
}

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

/* スライダーレイアウト */
.lightbox-slider-wrapper {
    position: relative;
    width: 100%;
    max-width: none;
    height: 80vh;
    display: flex;
    align-items: center;
    z-index: 10001;
}

.lightbox-slider {
    width: 100%;
    height: 100%;
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    /* Firefoxのスクロールバー非表示 */
}

.lightbox-slider::-webkit-scrollbar {
    display: none;
    /* Safari, Chromeのスクロールバー非表示 */
}

.lightbox-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    scroll-snap-align: start;
    pointer-events: none;
    /* スライダー自体のクリックすり抜け防止 */
}

.lightbox-slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    /* トリミングせず、元の比率を完璧に維持 */
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    /* 深みのある影で浮遊感を演出 */
    pointer-events: auto;
    /* 画像単体はホバー可能 */
    animation: lightbox-img-scale 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* 左右スライド矢印（下部カウンターの左右に寄り添うミニマルデザイン） */
.lightbox-arrow {
    position: absolute;
    bottom: 2.1rem;
    /* カウンターと高さを揃える */
    height: 32px;
    width: 32px;
    background: none;
    border: none;
    outline: none;
    /* 青いフォーカス枠を消去 */
    color: #FFFFFF;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
    /* 不透明度のみをスムーズに変化 */
    z-index: 10003;
    opacity: 0.4;
}

.lightbox-arrow:hover {
    opacity: 1;
    /* ホバーで明るくするだけにしてブレを防止 */
}

.lightbox-prev {
    left: 50%;
    margin-left: -80px;
    /* カウンターの左側に配置 */
    transform: translate(-50%, 2px);
}

.lightbox-next {
    left: 50%;
    margin-left: 80px;
    /* カウンターの右側に配置 */
    transform: translate(-50%, 2px);
}

/* 矢印アイコンを擬似要素で極細に描画 */
.lightbox-arrow::before {
    content: '';
    width: 8px;
    height: 8px;
    border-top: 1.5px solid currentColor;
    border-left: 1.5px solid currentColor;
    display: block;
}

.lightbox-prev::before {
    transform: rotate(-45deg);
}

.lightbox-next::before {
    transform: rotate(135deg);
}

/* 下部枚数カウンター */
.lightbox-counter {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font-jost);
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    z-index: 10002;
    background: rgba(17, 17, 17, 0.5);
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* モバイル表示での調整 */
@media (max-width: 768px) {
    .lightbox-slider-wrapper {
        width: 100%;
        height: 70vh;
    }

    .lightbox-close {
        top: 1rem;
        right: 1rem;
    }
}

/* アニメーション */
@keyframes lightbox-fadein {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes lightbox-img-scale {
    from {
        transform: scale(0.97);
        opacity: 0.5;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* ==========================================================================
   🛍️ プレミアム多角フィルター スタイリング (北欧モダン・ミニマリズム)
   ========================================================================== */

/* フィルター全体のコンテナ */
.shop-filter-area {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3.5rem;
    width: 100%;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* フェードイン表示時 */
.shop-filter-area.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 下段行（カテゴリー ＆ ドロップダウン） */
.shop-filter-main-row {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}

@media (min-width: 1024px) {
    .shop-filter-main-row {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 2rem;
    }
}

/* カテゴリータブ */
.filter-categories {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scrollbar-width: none;
    /* Firefox用 */
    -ms-overflow-style: none;
    /* IE用 */
    padding-bottom: 0.3rem;
    border-bottom: 1px solid rgba(17, 17, 17, 0.04);
    flex-grow: 1;
}

/* Chrome/Safari用スクロールバー非表示 */
.filter-categories::-webkit-scrollbar {
    display: none;
}

/* カテゴリーボタン */
.filter-cat-btn {
    background: transparent;
    border: none;
    font-family: var(--font-jost);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    text-transform: uppercase;
    cursor: pointer;
    padding: 0.6rem 0.2rem;
    position: relative;
    white-space: nowrap;
    transition: color 0.4s ease;
}

.filter-cat-btn:hover {
    color: var(--text-main);
}

/* 下線アニメーション */
.filter-cat-btn::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.filter-cat-btn:hover::after {
    transform: scaleX(0.5);
    transform-origin: left;
}

.filter-cat-btn.active {
    color: var(--accent-color);
}

.filter-cat-btn.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* セレクトボックスエリア */
.filter-dropdowns {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    flex-shrink: 0;
}

@media (max-width: 1023px) {
    .filter-dropdowns {
        width: 100%;
        gap: 0.75rem;
    }

    .filter-select-wrapper {
        flex: 1 1 calc(50% - 0.375rem);
        min-width: 130px;
    }

    .filter-select-wrapper:last-child {
        flex: 1 1 100%;
    }

    .filter-select {
        min-width: 0;
    }
}

/* セレクトボックスのカスタムラッパー (矢印のスタイリング用) */
.filter-select-wrapper {
    position: relative;
    background-color: transparent;
}

.filter-select-wrapper::after {
    content: '';
    position: absolute;
    right: 1.1rem;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 6px;
    height: 6px;
    border-right: 1px solid var(--text-muted);
    border-bottom: 1px solid var(--text-muted);
    pointer-events: none;
    transition: border-color 0.4s ease;
}

.filter-select-wrapper:hover::after {
    border-color: var(--text-main);
}

/* 極上セレクトボックス本体 */
.filter-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 0;
    /* iOSの丸み排除 */
    padding: 0.6rem 2.5rem 0.6rem 1.1rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--text-main);
    cursor: pointer;
    width: 100%;
    min-width: 160px;
    transition: border-color 0.4s ease, color 0.4s ease;
}

.filter-select:hover,
.filter-select:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* 絞り込み非表示用の商品カードスタイル */
.product-card.is-hidden {
    /* display: noneでレイアウトをモザイクグリッドから取り除く */
    display: none !important;
}

/* ==========================================================================
   🔴 セール価格（SALE）表示用スタイリング (アースカラー・北欧調和)
   ========================================================================== */

/* 強調されたセール価格 */
.sale-price {
    color: #D03B3B;
    /* 北欧ヴィンテージに調和する洗練されたアースレッド */
}

/* 元の定価（訂正線付き） */
.original-price {
    text-decoration: line-through;
    color: #A3A3A3;
    margin-right: 0.5rem;
    font-size: 1rem;
}

/* ==========================================================================
   🛍️ 極上の注文フォームモーダル（サイト内埋め込み）
   ========================================================================== */
.order-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(249, 249, 248, 0.4);
    /* すりガラス調の背景 */
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.order-modal-overlay.is-active {
    opacity: 1;
    pointer-events: auto;
}

.order-modal-window {
    background-color: #ffffff;
    width: 90%;
    max-width: 520px;
    padding: 3rem 2.5rem;
    position: relative;
    border: 1px solid rgba(17, 17, 17, 0.08);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
    transform: translateY(40px);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 90vh;
    overflow-y: auto;
}

/* ==========================================================================
   ✉️ 極上の商品問い合わせフォームモーダル
   ========================================================================== */
.inquiry-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(249, 249, 248, 0.4);
    /* すりガラス調の背景 */
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.inquiry-modal-overlay.is-active {
    opacity: 1;
    pointer-events: auto;
}

.inquiry-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.inquiry-modal-container {
    background-color: #ffffff;
    width: 90%;
    max-width: 500px;
    padding: 3rem 2.5rem;
    position: relative;
    border: 1px solid rgba(17, 17, 17, 0.08);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
    transform: translateY(30px);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 90vh;
    overflow-y: auto;
    z-index: 2001;
}

.inquiry-modal-overlay.is-active .inquiry-modal-container {
    transform: translateY(0);
}

.inquiry-modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 1.8rem;
    font-weight: 200;
    cursor: pointer;
    color: var(--text-color, #111111);
    opacity: 0.6;
    transition: opacity 0.3s ease;
    line-height: 1;
}

.inquiry-modal-close:hover {
    opacity: 1;
}

.inquiry-modal-title {
    font-family: var(--font-jost);
    font-size: 1.6rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 0.2rem;
    color: var(--text-color, #111111);
}

.inquiry-modal-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted, #767676);
    text-align: center;
    letter-spacing: 0.08em;
    margin-bottom: 2rem;
}

.inquiry-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.inquiry-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.inquiry-form-label {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--text-color, #111111);
}

.required-badge {
    color: #e06a6a;
    font-size: 0.7rem;
    margin-left: 0.2rem;
    font-weight: bold;
}

.inquiry-form-input,
.inquiry-form-textarea {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    padding: 0.8rem 1rem;
    border: 1px solid rgba(17, 17, 17, 0.12);
    background-color: #fafaf9;
    color: var(--text-color, #111111);
    transition: border-color 0.3s ease, background-color 0.3s ease;
    width: 100%;
    box-sizing: border-box;
}

.inquiry-form-input:focus,
.inquiry-form-textarea:focus {
    outline: none;
    border-color: #c5b358;
    /* 北欧ゴールド/ベージュトーン */
    background-color: #ffffff;
}

.inquiry-form-input.readonly-input {
    background-color: #f3f3f2;
    border-color: rgba(17, 17, 17, 0.06);
    color: #8c8c8b;
    cursor: not-allowed;
}

.inquiry-form-textarea {
    height: 120px;
    resize: vertical;
    min-height: 80px;
}

.inquiry-error-message {
    color: #D03B3B;
    font-size: 0.8rem;
    letter-spacing: 0.02em;
    background-color: #fdf5f5;
    padding: 0.6rem 0.8rem;
    border-left: 3px solid #D03B3B;
}

.inquiry-modal-actions {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
}

.inquiry-submit-btn {
    background-color: #111111;
    color: #ffffff;
    border: none;
    padding: 1rem 3rem;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
    width: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.inquiry-submit-btn:hover:not(:disabled) {
    background-color: #2a2a2a;
}

.inquiry-submit-btn:active:not(:disabled) {
    transform: scale(0.99);
}

.inquiry-submit-btn:disabled {
    background-color: #666666;
    cursor: not-allowed;
}

/* スピナー表示用 */
.btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: inquiry-spin 0.8s linear infinite;
    position: absolute;
    right: 1.5rem;
}

@keyframes inquiry-spin {
    to {
        transform: rotate(360deg);
    }
}

/* スマホ用調整 */
@media (max-width: 576px) {
    .inquiry-modal-container {
        padding: 2rem 1.5rem;
        width: 95%;
    }
}


.order-modal-overlay.is-active .order-modal-window {
    transform: translateY(0);
}

.order-modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 1.8rem;
    font-weight: 300;
    cursor: pointer;
    color: var(--text-main);
    opacity: 0.6;
    transition: opacity 0.3s;
}

.order-modal-close:hover {
    opacity: 1;
}

.order-modal-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 300;
    font-style: italic;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text-main);
    letter-spacing: 0.05em;
}

.order-modal-subtitle {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 400;
    text-align: center;
    color: var(--text-light, #8e8e8e);
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
}

/* 注文商品サマリー (編集不可・読み取り専用の見栄え) */
.order-product-summary {
    background-color: var(--bg-alt, #fafaf9);
    padding: 1.2rem;
    border: 1px solid rgba(17, 17, 17, 0.04);
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.order-summary-row {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--text-main);
}

.order-summary-row.summary-total {
    border-top: 1px dashed rgba(17, 17, 17, 0.15);
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    font-weight: 500;
    font-family: var(--font-jost);
    font-size: 1rem;
}

/* フォームのインプット類 */
.order-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-main);
    letter-spacing: 0.05em;
}

.form-group label .required {
    color: #D03B3B;
    margin-left: 0.2rem;
}

.form-group input,
.form-group textarea {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    padding: 0.8rem 0;
    border: none;
    border-bottom: 1px solid rgba(17, 17, 17, 0.15);
    background-color: transparent;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.4s;
    border-radius: 0;
    /* iOSの角丸リセット */
}

.form-group textarea {
    resize: none;
    height: 70px;
}

.form-group input:focus,
.form-group textarea:focus {
    border-bottom-color: var(--text-main);
}

/* 送信ボタン */
.order-submit-btn {
    margin-top: 1rem;
    background-color: var(--text-main, #111111);
    color: #ffffff;
    border: none;
    padding: 1.2rem;
    font-family: var(--font-jost);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: background-color 0.4s, opacity 0.4s;
    display: flex;
    justify-content: center;
    align-items: center;
}

.order-submit-btn:hover {
    background-color: #333333;
}

.order-submit-btn:disabled {
    background-color: #8e8e8e;
    cursor: not-allowed;
}

/* 成功メッセージ */
.order-success-message {
    text-align: center;
    padding: 2rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
}

.success-icon {
    font-size: 3rem;
    color: #D03B3B;
    /* 北欧らしい上品な赤 */
    font-weight: 300;
}

.order-success-message h3 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 300;
    font-style: italic;
    color: var(--text-main);
}

.order-success-message p {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--text-main);
    line-height: 1.6;
}

.success-sub {
    color: var(--text-light, #8e8e8e) !important;
    font-size: 0.75rem !important;
    margin-top: 0.5rem;
}

.order-close-btn {
    margin-top: 1.5rem;
    background-color: var(--text-main);
    color: #ffffff;
    border: none;
    padding: 0.8rem 2.5rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.order-close-btn:hover {
    background-color: #333333;
}

/* モバイル表示でのモーダルウィンドウ調整 */
@media (max-width: 480px) {
    .order-modal-window {
        padding: 2.5rem 1.5rem;
    }
}

/* =========================================
   📖 デザイナー・メーカー紹介 アコーディオン
   ========================================= */
.brand-story-accordion {
    margin-top: 2rem;
    border-top: 1px solid rgba(17, 17, 17, 0.08);
    border-bottom: 1px solid rgba(17, 17, 17, 0.08);
    width: 100%;
}

.accordion-trigger {
    width: 100%;
    background: transparent;
    border: none;
    padding: 1.2rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    text-align: left;
    color: var(--text-main, #111111);
    transition: opacity 0.3s ease;
}

.accordion-trigger:hover {
    opacity: 0.8;
}

.accordion-trigger .trigger-title {
    font-family: var(--font-sans, sans-serif);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.accordion-trigger .trigger-icon {
    font-family: var(--font-sans, sans-serif);
    font-size: 1.2rem;
    font-weight: 300;
    line-height: 1;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s ease;
    padding: 0;
}

.accordion-content.is-open {
    padding-bottom: 2.2rem;
}

.accordion-brand-block {
    margin-bottom: 1.5rem;
}

.accordion-brand-block:last-child {
    margin-bottom: 0;
}

.accordion-brand-item {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.accordion-brand-role {
    font-family: var(--font-jost, 'Jost', sans-serif);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--text-muted, #9CA3AF);
    font-weight: 500;
}

.accordion-brand-name {
    font-family: var(--font-serif, serif);
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-main, #111111);
    margin: 0;
}

.accordion-brand-name .brand-name-ja {
    font-family: var(--font-sans, sans-serif);
    font-size: 0.8rem;
    color: var(--text-muted, #9CA3AF);
    margin-left: 0.4rem;
}

.accordion-brand-name .brand-story-years {
    font-family: var(--font-sans, sans-serif);
    font-size: 0.75rem;
    color: var(--text-muted, #9CA3AF);
    margin-left: 0.4rem;
}

.accordion-brand-desc {
    font-family: var(--font-sans, sans-serif);
    font-size: 0.8rem;
    line-height: 1.6;
    color: #4B5563;
    margin: 0;
}

.accordion-brand-more {
    font-family: var(--font-sans, sans-serif);
    font-size: 0.75rem;
    color: var(--accent-color, #A9907E);
    text-decoration: none;
    align-self: flex-start;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
    margin-top: 0.2rem;
}

.accordion-brand-more:hover {
    border-bottom-color: var(--accent-color, #A9907E);
}

/* =========================================
   スライダー表示時のヘッダー透過 ＆ スクロール追従時（白背景・黒文字）
   ========================================= */
.has-hero-slider .shop-hero-slider-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    min-height: 550px;
    max-height: none;
    margin-bottom: 0;
    z-index: 1;
    will-change: transform;
}

.has-hero-slider .shop-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 100%;
    margin-top: 100vh;
    margin-top: 100dvh;
    background-color: var(--bg-main);
    border-radius: 0;
    box-shadow: 0 -12px 35px rgba(0, 0, 0, 0.15);
    padding: 4rem 2rem 6rem;
}

@media (max-width: 767px) {
    .has-hero-slider .shop-container {
        border-radius: 0;
        padding: 2.5rem 1.2rem 4rem;
    }
}

.has-hero-slider .shop-footer {
    position: relative;
    z-index: 10;
    background-color: var(--bg-main);
}

.has-hero-slider .header-sticky-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease;
}

/* スライダー初期位置の上部グラデーションシャドウ（ヘッダー枠内に制限して境界線を排除） */
.has-hero-slider .header-sticky-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0) 100%);
    pointer-events: none;
    z-index: -1;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* 【初期状態：文字色 白】 */
.has-hero-slider .global-header .logo,
.has-hero-slider .global-header .logo-text,
.has-hero-slider .global-header .main-nav a,
.has-hero-slider .global-header .lang-btn,
.has-hero-slider .global-header .lang-sep,
.has-hero-slider .global-header .dropdown-trigger {
    color: #ffffff !important;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.4);
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.has-hero-slider .global-header .menu-button .menu-bar {
    background-color: #ffffff !important;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
    transition: background-color 0.3s ease;
}

.has-hero-slider .global-header .header-fav-btn,
.has-hero-slider .global-header .header-cart-btn,
.has-hero-slider .global-header .header-right-actions svg {
    color: #ffffff !important;
    stroke: #ffffff !important;
    filter: drop-shadow(0 1px 6px rgba(0, 0, 0, 0.4));
    transition: color 0.3s ease, stroke 0.3s ease, filter 0.3s ease;
}

.has-hero-slider .global-header .header-cart-count {
    background-color: #ffffff;
    color: #111111;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.has-hero-slider .global-header .dropdown-menu {
    background-color: rgba(20, 20, 20, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.has-hero-slider .global-header .dropdown-item {
    color: #ffffff !important;
}

/* =========================================
   【スクロール追従時（is-scrolled）：白背景 ＆ 黒文字】
   ========================================= */
.has-hero-slider .header-sticky-wrapper.is-scrolled:not(.is-menu-open) {
    background-color: rgba(249, 249, 248, 0.88) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border-bottom: 1px solid rgba(17, 17, 17, 0.05);
}

/* メニュー展開時はスクロール追従時であっても必ず背景を透明にする */
.has-hero-slider.is-menu-open .header-sticky-wrapper.is-scrolled,
.has-hero-slider .header-sticky-wrapper.is-scrolled.is-menu-open,
body.is-menu-open .has-hero-slider .header-sticky-wrapper.is-scrolled,
body.is-menu-open .header-sticky-wrapper.is-scrolled {
    background-color: transparent !important;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: none !important;
    box-shadow: none !important;
}

.has-hero-slider .header-sticky-wrapper.is-scrolled::before {
    opacity: 0 !important;
    visibility: hidden !important;
}

.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .logo,
.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .logo-text,
.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .main-nav a,
.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .lang-btn,
.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .lang-sep,
.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .dropdown-trigger {
    color: var(--text-main) !important;
    text-shadow: none;
}

.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .menu-button .menu-bar {
    background-color: var(--text-main) !important;
    box-shadow: none;
}

.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .header-fav-btn,
.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .header-cart-btn,
.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .header-right-actions svg {
    color: var(--text-main) !important;
    stroke: var(--text-main) !important;
    filter: none;
}

.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .header-cart-count {
    background-color: #111111;
    color: #ffffff;
}

.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .dropdown-menu {
    background-color: rgba(249, 249, 248, 0.95);
    border: 1px solid rgba(17, 17, 17, 0.08);
}

.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .dropdown-item {
    color: var(--text-main) !important;
}

.has-hero-slider .header-sticky-wrapper.is-scrolled .global-header .dropdown-item:hover {
    background-color: rgba(17, 17, 17, 0.05);
}

/* モバイルメニュー展開時 */
.has-hero-slider.is-menu-open .header-sticky-wrapper::before {
    opacity: 0;
}

/* フィルターエリア（カテゴリータブ）および商品一覧グリッドの最大幅統一 (1600px) */
.shop-filter-area,
.product-grid {
    max-width: 1600px !important;
    width: 100%;
    margin-left: auto !important;
    margin-right: auto !important;
}

/* =========================================
   🔍 オンラインショップ リアルタイム検索コントロール
   ========================================= */
/* ヘッダー検索トグルボタン */
.header-search-btn {
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease, opacity 0.3s ease;
}

.header-search-btn:hover,
.header-search-btn.is-active {
    color: var(--accent-color);
}

/* ヘッダー直下スライド式検索パネル */
.header-search-panel {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease, padding 0.4s ease;
    background-color: rgba(249, 249, 248, 0.98);
    border-bottom: 1px solid transparent;
    padding: 0 1.5rem;
}

.header-search-panel.is-active {
    max-height: 120px;
    opacity: 1;
    padding: 1rem 1.5rem 1.2rem;
    border-bottom-color: rgba(17, 17, 17, 0.08);
}

@media (min-width: 1024px) {
    .header-search-panel.is-active {
        padding: 1rem 3rem 1.2rem;
    }
}

.header-search-panel-inner {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-search-panel .shop-search-wrapper {
    margin: 0;
    max-width: 100%;
    flex: 1;
}

.header-search-close-btn {
    background: none;
    border: none;
    font-size: 1.6rem;
    line-height: 1;
    color: #888888;
    cursor: pointer;
    padding: 4px 8px;
    transition: color 0.2s ease;
}

.header-search-close-btn:hover {
    color: var(--text-main);
}

/* ヒーロースライダー表示時（未スクロール時）の完全透明シースルー検索パネル */
.has-hero-slider .header-sticky-wrapper:not(.is-scrolled) .header-search-panel {
    background-color: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: none !important;
}

.has-hero-slider .header-sticky-wrapper:not(.is-scrolled) .shop-search-input {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
    color: #FFFFFF;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23FFFFFF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
}

.has-hero-slider .header-sticky-wrapper:not(.is-scrolled) .shop-search-input::placeholder {
    color: rgba(255, 255, 255, 0.65);
}

.has-hero-slider .header-sticky-wrapper:not(.is-scrolled) .header-search-close-btn {
    color: rgba(255, 255, 255, 0.8);
}

.has-hero-slider .header-sticky-wrapper:not(.is-scrolled) .header-search-close-btn:hover {
    color: #FFFFFF;
}

.has-hero-slider .header-sticky-wrapper:not(.is-scrolled) .shop-search-clear {
    color: rgba(255, 255, 255, 0.7);
}

.has-hero-slider .header-sticky-wrapper:not(.is-scrolled) .shop-search-clear:hover {
    color: #FFFFFF;
    background-color: rgba(255, 255, 255, 0.2);
}

.shop-search-wrapper {
    position: relative;
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
    flex-shrink: 0;
}

.shop-search-input {
    width: 100%;
    height: 44px;
    padding: 0 42px 0 40px;
    border: 1px solid var(--border-color);
    border-radius: 22px;
    font-family: var(--font-sans);
    font-size: 16px;
    /* iOSのフォーカス時自動ズーム防止用 (16px以上必須) */
    color: var(--text-main);
    background-color: #FFFFFF;
    box-sizing: border-box;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 14px center;
}

.shop-search-input:focus {
    outline: none;
    border-color: #9E9E9E;
    box-shadow: 0 0 0 3px rgba(169, 144, 126, 0.12);
}

.shop-search-clear {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    line-height: 20px;
    text-align: center;
    font-size: 1.1rem;
    color: #999999;
    cursor: pointer;
    border-radius: 50%;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.shop-search-clear:hover {
    color: var(--text-main);
    background-color: var(--bg-alt);
}

/* ==========================================================================
   最近閲覧した商品 (Recently Viewed Items) セクションスタイル
   ========================================================================== */
.recently-viewed-section {
    margin-top: 5rem;
    padding-top: 3.5rem;
    border-top: 1px solid var(--border-color);
    width: 100%;
    box-sizing: border-box;
}

.recently-viewed-header {
    margin-bottom: 2rem;
    text-align: left;
}

.recently-viewed-title {
    font-family: var(--font-jost);
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    color: var(--text-main);
    margin: 0 0 0.25rem 0;
    text-transform: uppercase;
}

.recently-viewed-subtitle {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    display: block;
}

.recently-viewed-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 1.25rem;
    width: 100%;
    box-sizing: border-box;
}

@media (max-width: 1200px) {
    .recently-viewed-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1.25rem;
    }
}

@media (max-width: 640px) {
    .recently-viewed-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1rem;
    }
}

.recently-viewed-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}

.recently-viewed-img-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%;
    height: 0;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background-color: var(--bg-alt);
    margin-bottom: 0.75rem;
}

@media (max-width: 767px) {
    .recently-viewed-img-wrapper {
        aspect-ratio: 3 / 4;
        padding-top: 133.333%;
    }
}

.rv-picture {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    transition: opacity 0.35s ease;
}

.rv-picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.rv-picture.primary-img {
    z-index: 1;
    opacity: 1;
}

.rv-picture.secondary-img {
    z-index: 2;
    opacity: 0;
}

@media (hover: hover) {
    .recently-viewed-card:hover .secondary-img {
        opacity: 1;
    }
}

.rv-no-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.rv-sold-badge {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    background-color: rgba(17, 17, 17, 0.85);
    color: #FFFFFF;
    font-family: var(--font-jost);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    padding: 0.2rem 0.5rem;
    text-transform: uppercase;
    z-index: 2;
}

.recently-viewed-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    width: 100%;
    min-width: 0;
}

.recently-viewed-item-name {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--text-main);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.recently-viewed-item-meta {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    color: var(--text-muted);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.recently-viewed-item-price {
    font-family: var(--font-jost);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    color: var(--text-main);
    margin: 0.2rem 0 0 0;
}

.rv-original-price {
    text-decoration: line-through;
    color: var(--text-muted);
    font-size: 0.78rem;
    margin-right: 0.4rem;
}

.rv-sale-price {
    color: #B91C1C;
    font-weight: 500;
}