/* ========================================
   商品カタログページ専用スタイル
   ======================================== */

/* ページヒーロー（カタログ用） */
.page-hero {
    margin-top: 85px;
    background: linear-gradient(135deg, #1e3a5f 0%, #0a2540 100%);
    padding: 2rem 0; /* 5rem → 2rem に大幅に縮小し、より細い帯にする */
    text-align: center;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.page-hero-subtitle {
    font-size: 1rem;
    line-height: 1.8;
    opacity: 0.95;
    letter-spacing: 0.05em;
}


/* ========================================
   カタログナビゲーション
   ======================================== */

.catalog-nav {
    padding: 3rem 0;
    background-color: var(--color-off-white);
    border-bottom: 1px solid var(--color-border);
}

.catalog-nav-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.catalog-nav-item {
    background-color: var(--color-white);
    padding: 3rem 2rem;
    text-align: center;
    border: 2px solid var(--color-border);
    transition: var(--transition-normal);
    text-decoration: none;
    color: var(--color-text-dark);
}

.catalog-nav-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.nav-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.catalog-nav-item h3 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 0.5rem;
}

.catalog-nav-item p {
    font-size: 0.9rem;
    color: var(--color-text-gray);
}

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

.product-section {
    padding: var(--spacing-xl) 0;
}

.gibier-section {
    background-color: var(--color-white);
}

.seafood-section {
    background-color: var(--color-light-gray);
}

.processed-section {
    background-color: var(--color-white);
}

.catalog-intro {
    max-width: 900px;
    margin: 0 auto 4rem;
    text-align: center;
}

.intro-text {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--color-text-dark);
}

/* ========================================
   商品カテゴリー
   ======================================== */

.product-category {
    margin-bottom: 5rem;
}

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

.category-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--color-primary);
}

/* ========================================
   商品グリッド
   ======================================== */

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

/* ========================================
   商品カード
   ======================================== */

.product-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
}

.product-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.product-card.featured {
    border: 2px solid var(--color-accent);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    z-index: 10;
    border-radius: 0.25rem;
}

.product-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    position: relative;
}

/* ========================================
   商品情報
   ======================================== */

.product-info {
    padding: 2rem;
}

.product-name {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 0.5rem;
}

.product-brand {
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 1rem;
}

.product-description {
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--color-text-gray);
    margin-bottom: 0;
}

.product-specs {
    list-style: none;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background-color: var(--color-off-white);
    border-left: 3px solid var(--color-primary);
}

.product-specs li {
    font-size: 0.85rem;
    color: var(--color-text-dark);
    padding: 0.5rem 0;
    line-height: 1.6;
}

.product-specs strong {
    color: var(--color-primary);
    font-weight: 700;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature-tag {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.3rem 0.8rem;
    border-radius: 0.25rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* ========================================
   OEMセクション
   ======================================== */

.oem-section {
    margin-top: 5rem;
    background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-white) 100%);
    padding: 4rem 3rem;
    border: 2px solid var(--color-accent);
}

.oem-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-dark);
    text-align: center;
    margin-bottom: 1rem;
}

.oem-description {
    font-size: 1rem;
    text-align: center;
    color: var(--color-text-dark);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.oem-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.oem-feature {
    text-align: center;
    padding: 2rem 1.5rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
}

.oem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.oem-feature h4 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 0.75rem;
}

.oem-feature p {
    font-size: 0.85rem;
    color: var(--color-text-dark);
    line-height: 1.7;
}

/* ========================================
   カタログCTA
   ======================================== */

.catalog-cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #1e3a5f 0%, #0a2540 100%);
    color: var(--color-white);
    text-align: center;
}

.catalog-cta .cta-title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.catalog-cta .cta-description {
    font-size: 1rem;
    max-width: 800px;
    margin: 0 auto 2.5rem;
    line-height: 1.9;
    opacity: 0.95;
}

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

@media (max-width: 1024px) {
    .catalog-nav-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .catalog-nav-item {
        padding: 2rem 1.5rem;
    }
    
    .nav-icon {
        font-size: 3rem;
    }
    
    .category-title {
        font-size: 1.6rem;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .product-image {
        height: 220px;
    }
    
    .oem-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .product-info {
        padding: 1.5rem;
    }
    
    .product-name {
        font-size: 1.2rem;
    }
    
    .product-specs {
        padding: 1rem;
    }
    
    .oem-section {
        padding: 3rem 2rem;
    }
}