/* 商品詳細ページ専用スタイル */

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

/* パンくずナビ */
.breadcrumb {
    background: var(--light-gold);
    padding: 1rem 0;
    margin-top: 80px;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb .separator {
    margin: 0 0.8rem;
    color: #999;
}

.breadcrumb .current {
    color: var(--primary-color);
    font-weight: 500;
}

/* 商品ヒーローセクション */
.product-detail {
    padding: 3rem 0;
}

.product-hero {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.product-image-large {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sake-bottle-illustration {
    width: 220px;
    height: 420px;
    position: relative;
    background: var(--gradient-accent);
    border-radius: 25px 25px 45px 45px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 25px 50px var(--shadow-color),
        inset 0 1px 0 rgba(255,255,255,0.3),
        inset 0 -1px 0 rgba(0,0,0,0.2);
    transform: perspective(1000px) rotateY(-10deg);
    transition: all 0.4s ease;
    overflow: hidden;
}

.sake-bottle-illustration::before {
    content: '';
    position: absolute;
    top: 10%;
    left: 20%;
    width: 30%;
    height: 60%;
    background: linear-gradient(135deg, rgba(255,255,255,0.4), transparent);
    border-radius: 50%;
    filter: blur(10px);
}

.sake-bottle-illustration:hover {
    transform: perspective(1000px) rotateY(5deg) scale(1.05);
    box-shadow: 
        0 30px 60px var(--shadow-color),
        0 0 30px rgba(212, 175, 55, 0.3);
}

.bottle-silhouette {
    text-align: center;
    color: white;
    padding: 2rem;
}

.bottle-label {
    font-family: var(--font-japanese);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 
        0 2px 4px rgba(0,0,0,0.4),
        0 0 10px rgba(255,255,255,0.3);
    letter-spacing: 0.1em;
    position: relative;
    z-index: 2;
}

.bottle-sublabel {
    font-size: 1.1rem;
    opacity: 0.95;
    font-weight: 400;
    letter-spacing: 0.05em;
    position: relative;
    z-index: 2;
}

.product-info-main {
    padding-left: 2rem;
}

.product-category {
    background: var(--gradient-accent);
    color: white;
    padding: 0.7rem 2rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    position: relative;
    overflow: hidden;
}

.product-title {
    font-family: var(--font-japanese);
    font-size: 3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.product-subtitle {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    font-style: italic;
}

.rating-display {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem 1.5rem;
    background: var(--light-gold);
    border-radius: 15px;
    width: fit-content;
}

.stars-large {
    font-size: 1.5rem;
    color: var(--star-color);
}

.rating-score {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.rating-text {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.product-description-main {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.product-highlights {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 1.8rem;
    background: linear-gradient(135deg, white, rgba(212, 175, 55, 0.02));
    border-radius: 15px;
    border: 1px solid rgba(212, 175, 55, 0.1);
    box-shadow: 0 6px 20px var(--shadow-soft);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.highlight-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
    transition: left 0.6s ease;
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px var(--shadow-color);
    border-color: rgba(212, 175, 55, 0.3);
}

.highlight-item:hover::before {
    left: 100%;
}

.highlight-icon {
    font-size: 1.5rem;
}

.highlight-text {
    font-weight: 500;
    color: var(--primary-color);
}

/* 詳細情報セクション */
.product-details-section {
    margin: 4rem 0;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.details-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 8px 30px var(--shadow-soft);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.details-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-color);
}

.details-card h3 {
    font-family: var(--font-japanese);
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--sake-gold);
}

.details-table {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 500;
    color: var(--secondary-color);
}

.detail-value {
    font-weight: 600;
    color: var(--primary-color);
}

/* 味わいプロファイル */
.taste-profile {
    margin-bottom: 2rem;
}

.taste-meter {
    margin-bottom: 1.5rem;
}

.taste-label {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.meter-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.meter-fill {
    height: 100%;
    background: var(--sake-wave);
    border-radius: 4px;
    position: absolute;
    transition: width 0.8s ease;
}

.flavor-notes h4 {
    color: var(--primary-color);
    margin: 1.5rem 0 0.5rem 0;
    font-size: 1.1rem;
}

.flavor-notes p {
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* おすすめの楽しみ方 */
.serving-suggestions {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.serving-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.serving-icon {
    font-size: 1.5rem;
    background: var(--light-gold);
    padding: 0.8rem;
    border-radius: 12px;
    flex-shrink: 0;
}

.serving-content h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.serving-content p {
    color: var(--text-color);
    line-height: 1.6;
}

/* 醸造哲学セクション */
.brewing-philosophy {
    background: var(--gradient-bg);
    padding: 4rem 0;
    margin: 4rem 0;
    border-radius: 30px;
}

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

.philosophy-content h2 {
    font-family: var(--font-japanese);
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.philosophy-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
}

/* 関連商品 */
.related-products {
    margin: 4rem 0;
}

.related-products h2 {
    font-family: var(--font-japanese);
    font-size: 2rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 3rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.related-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px var(--shadow-soft);
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.related-image {
    height: 120px;
    background: var(--gradient-accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    margin-bottom: 1rem;
}

.related-card h3 {
    font-family: var(--font-japanese);
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.related-card p {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

.related-rating {
    color: var(--star-color);
    font-size: 0.9rem;
    font-weight: 500;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .product-hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .product-info-main {
        padding-left: 0;
    }
    
    .product-title {
        font-size: 2rem;
    }
    
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .product-highlights {
        justify-content: center;
    }
    
    .highlight-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .philosophy-content h2 {
        font-size: 2rem;
    }
    
    .sake-bottle-illustration {
        transform: none;
        width: 150px;
        height: 300px;
    }
}