/* 商品詳細ページのスタイル - 完全版 */

/* パンくずリスト */
.breadcrumb {
    background-color: #f8f8f8;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.breadcrumb ul {
    display: flex;
    flex-wrap: wrap;
}

.breadcrumb ul li {
    font-size: 14px;
    color: #777;
}

.breadcrumb ul li:not(:last-child):after {
    content: '/';
    margin: 0 10px;
    color: #ddd;
}

.breadcrumb ul li a:hover {
    color: #333;
}

/* 商品詳細セクション */
.product-details {
    padding: 40px 0;
}

.product-details-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

/* 商品ギャラリー */
.product-gallery {
    position: relative;
}

.main-image {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 20px;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.main-image img {
    width: 100%;
    height: auto;
    display: block;
}

.product-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 3px;
    z-index: 1;
}

.product-tag.new {
    background-color: #4CAF50;
    color: #fff;
}

.product-tag.sale {
    background-color: #f44336;
    color: #fff;
}

.product-tag.limited {
    background-color: #9C27B0;
    color: #fff;
}

.thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.thumbnail {
    cursor: pointer;
    border-radius: 4px;
    overflow: hidden;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.thumbnail:hover, .thumbnail.active {
    opacity: 1;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.thumbnail img {
    width: 100%;
    height: auto;
    display: block;
}

/* 商品情報 */
.product-info {
    position: relative;
}

.product-info h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
}

.product-reviews {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.rating {
    display: flex;
    align-items: center;
    margin-right: 15px;
}

.rating i {
    color: #ffc107;
    margin-right: 2px;
}

.rating span {
    margin-left: 5px;
    font-size: 14px;
    color: #555;
}

.reviews-link {
    font-size: 14px;
    color: #555;
    text-decoration: underline;
}

.product-price {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.current-price {
    font-size: 24px;
    font-weight: 700;
    margin-right: 15px;
}

.old-price {
    font-size: 18px;
    color: #999;
    text-decoration: line-through;
    margin-right: 15px;
}

.stock {
    font-size: 14px;
    padding: 4px 10px;
    border-radius: 3px;
}

.in-stock {
    background-color: #e8f5e9;
    color: #4CAF50;
}

.out-of-stock {
    background-color: #ffebee;
    color: #f44336;
}

.product-description {
    margin-bottom: 25px;
    line-height: 1.6;
}

.product-description p {
    color: #555;
}

/* 商品バリエーション */
.product-variants {
    margin-bottom: 25px;
}

.variant-group {
    margin-bottom: 15px;
}

.variant-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
}

.selected-variant {
    font-weight: normal;
    color: #777;
    font-size: 14px;
}

.variant-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.variant-btn {
    padding: 8px 15px;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.variant-btn:hover, .variant-btn.active {
    background-color: #333;
    color: #fff;
    border-color: #333;
}

.color-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.color-btn:hover, .color-btn.active {
    transform: scale(1.1);
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px #333;
}

/* 数量選択 */
.product-quantity {
    margin-bottom: 25px;
}

.product-quantity label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
}

.quantity-selector {
    display: flex;
    align-items: center;
    max-width: 120px;
}

.qty-btn {
    width: 35px;
    height: 35px;
    background-color: #f0f0f0;
    border: 1px solid #ddd;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
}

.qty-input {
    width: 50px;
    height: 35px;
    text-align: center;
    border: 1px solid #ddd;
    border-left: none;
    border-right: none;
    font-size: 14px;
}

/* 商品アクション領域 - 最終決定版 */
.product-actions {
    display: block !important;
    position: relative !important;
    width: 100% !important;
    min-height: 150px !important;
    height: auto !important;
    margin: 30px 0 !important;
    padding: 20px !important;
    background-color: #fafafa !important;
    border: 1px solid #e0e0e0 !important;
    border-radius: 8px !important;
    box-sizing: border-box !important;
    overflow: visible !important;
    visibility: visible !important;
    opacity: 1 !important;
    z-index: 10 !important;
}

/* カートに追加ボタン - 最終決定版 */
.add-to-cart-btn {
    display: block !important;
    position: relative !important;
    width: 100% !important;
    height: auto !important;
    min-height: 55px !important;
    background-color: #007cba !important;
    color: white !important;
    border: 2px solid #007cba !important;
    padding: 16px 24px !important;
    margin: 0 0 15px 0 !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    line-height: 1.4 !important;
    text-align: center !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    box-sizing: border-box !important;
    visibility: visible !important;
    opacity: 1 !important;
    z-index: 11 !important;
    float: none !important;
    clear: both !important;
}

.add-to-cart-btn:hover {
    background-color: #005a8b !important;
    border-color: #005a8b !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 12px rgba(0, 124, 186, 0.4) !important;
}

.add-to-cart-btn:active {
    transform: translateY(0) !important;
    box-shadow: 0 3px 6px rgba(0, 124, 186, 0.4) !important;
}

.add-to-cart-btn:disabled {
    background-color: #ccc !important;
    border-color: #ccc !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

.add-to-cart-btn i {
    font-size: 16px !important;
    margin-right: 10px !important;
    vertical-align: middle !important;
}

/* ウィッシュリストボタン - 最終決定版 */
.wishlist-btn {
    display: block !important;
    position: relative !important;
    width: 100% !important;
    height: auto !important;
    min-height: 55px !important;
    background-color: transparent !important;
    color: #666 !important;
    border: 2px solid #ddd !important;
    padding: 16px 20px !important;
    margin: 0 !important;
    font-size: 16px !important;
    font-weight: 500 !important;
    line-height: 1.4 !important;
    text-align: center !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    box-sizing: border-box !important;
    visibility: visible !important;
    opacity: 1 !important;
    z-index: 11 !important;
    float: none !important;
    clear: both !important;
}

.wishlist-btn:hover {
    background-color: #f5f5f5 !important;
    border-color: #bbb !important;
    color: #333 !important;
}

.wishlist-btn i {
    font-size: 16px !important;
    margin-right: 10px !important;
    vertical-align: middle !important;
}

/* 重なり防止 - 他の要素との干渉を完全に排除 */
.product-actions::before,
.product-actions::after {
    content: "" !important;
    display: table !important;
    clear: both !important;
}

/* フォーム内でのレイアウト調整 */
form#addToCartForm .product-actions {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    transform: none !important;
}

/* 全ての子要素のリセット */
.product-actions * {
    box-sizing: border-box !important;
}

/* 商品メタ情報 */
.product-meta {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eee;
}

.meta-item {
    margin-bottom: 10px;
    font-size: 14px;
    display: flex;
    align-items: center;
}

.meta-label {
    font-weight: 500;
    margin-right: 10px;
    min-width: 100px;
}

.meta-value {
    color: #555;
}

.meta-item a {
    color: #555;
}

.meta-item a:hover {
    color: #333;
}

.meta-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.meta-tags a {
    display: inline-block;
    padding: 3px 8px;
    background-color: #f0f0f0;
    border-radius: 3px;
    font-size: 12px;
    transition: all 0.3s ease;
}

.meta-tags a:hover {
    background-color: #e0e0e0;
}

/* 商品シェア */
.product-share {
    display: flex;
    align-items: center;
}

.product-share span {
    font-size: 14px;
    font-weight: 500;
    margin-right: 15px;
}

.share-links {
    display: flex;
}

.share-link {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    margin-right: 10px;
    background-color: #f0f0f0;
    transition: all 0.3s ease;
}

.share-link:hover {
    transform: translateY(-2px);
}

.share-link.facebook:hover {
    background-color: #3b5998;
    color: #fff;
}

.share-link.twitter:hover {
    background-color: #1da1f2;
    color: #fff;
}

.share-link.pinterest:hover {
    background-color: #bd081c;
    color: #fff;
}

.share-link.line:hover {
    background-color: #00c300;
    color: #fff;
}

/* 商品タブ */
.product-tabs {
    margin-bottom: 60px;
}

.tabs-nav {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 30px;
}

.tab-btn {
    padding: 15px 25px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.tab-btn:after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 3px;
    background-color: #333;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    opacity: 1;
}

.tab-btn.active {
    opacity: 1;
}

.tab-btn.active:after {
    width: 100%;
}

.tab-content {
    min-height: 300px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-pane h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.tab-pane p {
    margin-bottom: 15px;
    line-height: 1.6;
    color: #555;
}

/* 関連商品 */
.related-products {
    padding: 60px 0;
    background-color: #f8f8f8;
}

.related-products .section-title {
    margin-bottom: 40px;
    text-align: center;
    font-size: 24px;
    font-weight: 600;
}

.related-products .product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

/* レスポンシブデザイン */
@media (max-width: 992px) {
    .product-details-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .related-products .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .tabs-nav {
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 5px;
    }
    
    .tab-btn {
        padding: 10px 15px;
    }
    
    .related-products .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .thumbnails {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .related-products .product-grid {
        grid-template-columns: 1fr;
    }
}

/* =======================================================
   PC版ボタン重なり問題 - 追加修正（既存CSSの最下部に追加）
   ======================================================= */

/* PC版専用の追加修正 */
@media (min-width: 768px) {
    /* 商品アクション領域の強制修正 */
    .product-actions {
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 20px !important;
        padding: 25px !important;
        background-color: #f9f9f9 !important;
        border: 2px solid #e5e5e5 !important;
        border-radius: 10px !important;
        margin: 25px 0 !important;
    }

    /* カートボタンの位置完全固定 */
    .add-to-cart-btn {
        order: 1 !important;
        margin: 0 !important;
        width: 100% !important;
        flex-shrink: 0 !important;
    }

    /* お気に入りボタンの位置完全固定 */
    .wishlist-btn {
        order: 2 !important;
        margin: 0 !important;
        width: 100% !important;
        flex-shrink: 0 !important;
    }

    /* 全てのfloat設定を強制無効化 */
    .product-actions,
    .product-actions *,
    .add-to-cart-btn,
    .wishlist-btn {
        float: none !important;
        clear: both !important;
        position: relative !important;
    }

    /* 絶対配置の強制無効化 */
    .product-actions * {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
        transform: none !important;
    }
}

/* デバッグ用クラス（問題確認用） */
.debug-buttons {
    outline: 3px solid red !important;
}

.debug-buttons .add-to-cart-btn {
    outline: 3px solid blue !important;
}

.debug-buttons .wishlist-btn {
    outline: 3px solid green !important;
}

/* ========================================
   関連商品のお気に入りボタン位置修正
   product-details.css の最下部に追加してください
   ======================================== */

/* 関連商品セクションの基本設定 */
.related-products {
    padding: 60px 0;
    background-color: #f8f8f8;
}

.related-products .section-title {
    margin-bottom: 40px;
    text-align: center;
    font-size: 24px;
    font-weight: 600;
}

/* 関連商品グリッド */
.related-products .product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

/* 関連商品カード */
.related-products .product-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    position: relative;
}

.related-products .product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

/* 関連商品の画像エリア */
.related-products .product-image {
    position: relative;
    overflow: hidden;
    padding-top: 100%; /* 正方形比率 */
    background-color: #fff;
}

.related-products .product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

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

/* 関連商品のお気に入りボタン - 完全修正版 */
.related-products .wishlist-btn {
    position: absolute !important;
    top: 10px !important;
    right: 10px !important;
    background-color: rgba(255, 255, 255, 0.95) !important;
    border: 1px solid #ddd !important;
    width: 35px !important;
    height: 35px !important;
    border-radius: 50% !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    cursor: pointer !important;
    opacity: 0 !important;
    transform: translateY(-10px) !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;
    z-index: 10 !important;
    padding: 0 !important;
    margin: 0 !important;
    min-height: auto !important;
    float: none !important;
    clear: none !important;
}

.related-products .product-card:hover .wishlist-btn {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.related-products .wishlist-btn:hover {
    background-color: #fff !important;
    transform: scale(1.1) !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15) !important;
}

.related-products .wishlist-btn i {
    font-size: 14px !important;
    color: #666 !important;
    transition: color 0.2s ease !important;
    margin: 0 !important;
}

.related-products .wishlist-btn.active i {
    color: #e74c3c !important;
    font-weight: 900 !important;
}

/* 関連商品の商品情報エリア */
.related-products .product-info {
    padding: 15px;
    position: relative;
    z-index: 1;
}

.related-products .product-info h3 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 10px;
    line-height: 1.4;
}

.related-products .product-info h3 a {
    color: #333;
    text-decoration: none;
}

.related-products .product-info h3 a:hover {
    color: #007cba;
}

/* 関連商品の価格表示 */
.related-products .product-price {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.related-products .old-price {
    text-decoration: line-through;
    color: #999;
    margin-right: 10px;
    font-size: 14px;
}

.related-products .current-price {
    font-weight: 700;
    font-size: 16px;
    color: #333;
}

/* 関連商品のカートボタンエリア */
.related-products .product-actions {
    position: relative !important;
    bottom: auto !important;
    left: auto !important;
    width: 100% !important;
    display: block !important;
    opacity: 1 !important;
    transform: none !important;
    padding: 0 !important;
    margin: 0 !important;
    background: transparent !important;
    z-index: 1 !important;
}

.related-products .add-to-cart-btn {
    width: 100% !important;
    padding: 10px !important;
    border: none !important;
    background-color: #007cba !important;
    color: #fff !important;
    cursor: pointer !important;
    font-weight: 500 !important;
    font-size: 14px !important;
    border-radius: 4px !important;
    transition: all 0.3s ease !important;
    position: relative !important;
    margin: 0 !important;
    min-height: auto !important;
    height: auto !important;
    float: none !important;
    clear: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
}

.related-products .add-to-cart-btn:hover {
    background-color: #005a8b !important;
    transform: translateY(-2px) !important;
}

.related-products .add-to-cart-btn i {
    font-size: 14px !important;
    margin: 0 !important;
}

/* 商品タグの位置調整 */
.related-products .product-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 3px;
    z-index: 5;
}

.related-products .product-tag.new {
    background-color: #4CAF50;
    color: #fff;
}

.related-products .product-tag.sale {
    background-color: #f44336;
    color: #fff;
}

.related-products .product-tag.limited {
    background-color: #9C27B0;
    color: #fff;
}

/* 重なり防止の追加設定 */
.related-products .product-card * {
    box-sizing: border-box;
}

/* レスポンシブ対応 */
@media (max-width: 992px) {
    .related-products .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .related-products .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .related-products .wishlist-btn {
        width: 32px !important;
        height: 32px !important;
        top: 8px !important;
        right: 8px !important;
    }
    
    .related-products .wishlist-btn i {
        font-size: 12px !important;
    }
}

@media (max-width: 576px) {
    .related-products .product-grid {
        grid-template-columns: 1fr;
    }
    
    .related-products .product-grid {
        gap: 20px;
    }
}

/* デバッグ用（問題確認時のみ使用） */
.debug-related-products .product-card {
    border: 2px solid red !important;
}

.debug-related-products .wishlist-btn {
    border: 2px solid blue !important;
}

.debug-related-products .add-to-cart-btn {
    border: 2px solid green !important;
}

.product-tag.limited {
    background-color: #ff8c00;
    color: white;
}

.product-tag.soldout {
    background-color: #6c757d;
    color: white;
}