/* ========================================
   KOBE BRAND ENHANCEMENT - 神戸ブランド強化
   ======================================== */

/* Kobe Heritage Section - 神戸セクション */
.kobe-heritage {
    background: var(--gradient-cream);
    padding: var(--spacing-luxury-lg) 0;
    position: relative;
    overflow: hidden;
}

.kobe-heritage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at top, rgba(201, 169, 97, 0.1) 0%, transparent 60%),
        radial-gradient(ellipse at bottom, rgba(26, 58, 82, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.kobe-heritage .container {
    position: relative;
    z-index: 1;
}

/* Kobe Badge - 神戸バッジ */
.kobe-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-luxury);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
}

.kobe-label {
    font-size: 0.75rem;
    opacity: 0.9;
    font-weight: 500;
}

/* Kobe Title - 神戸タイトル */
.kobe-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--kobe-navy);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.02em;
    line-height: 1.4;
}

.kobe-subtitle {
    font-size: 1.125rem;
    color: var(--kobe-sage);
    text-align: center;
    margin-bottom: var(--spacing-luxury-md);
    font-weight: 500;
    line-height: 1.8;
}

/* Kobe Divider - 装飾線 */
.kobe-divider {
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--kobe-gold) 50%, transparent 100%);
    margin: 2rem auto;
    position: relative;
}

.kobe-divider::before {
    content: '◆';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: var(--kobe-gold);
    font-size: 0.75rem;
    background: var(--kobe-cream);
    padding: 0 0.5rem;
}

/* Kobe Features Grid - 特徴グリッド */
.kobe-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-luxury-md);
    margin: var(--spacing-luxury-md) 0;
}

.kobe-feature {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: var(--spacing-luxury-sm);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 1px solid rgba(201, 169, 97, 0.2);
}

.kobe-feature:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-luxury);
    border-color: var(--kobe-gold);
}

.kobe-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    filter: grayscale(0.2);
}

.kobe-feature h3 {
    font-size: 1.25rem;
    color: var(--kobe-navy);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.kobe-feature p {
    color: var(--text-light);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* Kobe Brands Section - ブランド紹介 */
.kobe-brands {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-luxury-md);
    margin-top: var(--spacing-luxury-lg);
    flex-wrap: wrap;
}

.kobe-brand-item {
    text-align: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    flex: 1;
    min-width: 280px;
    max-width: 400px;
}

.kobe-brand-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.kobe-brand-logo {
    max-width: 200px;
    margin: 0 auto var(--spacing-sm);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.kobe-brand-origin {
    font-size: 0.9375rem;
    color: var(--kobe-burgundy);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.kobe-brand-divider {
    font-size: 2rem;
    color: var(--kobe-gold);
    font-weight: 300;
}

/* Enhanced Hero Section - ヒーロー強化 */
.hero {
    background: 
        linear-gradient(135deg, rgba(26, 58, 82, 0.85) 0%, rgba(124, 46, 62, 0.75) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%231a3a52" width="1200" height="600"/></svg>') center/cover;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top, rgba(201, 169, 97, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-badge {
    position: relative;
    z-index: 2;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle-top {
    display: block;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.9;
    margin-bottom: 0.5rem;
    font-family: var(--font-secondary);
}

.hero-highlight {
    display: inline-block;
    background: var(--gradient-luxury);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

/* Luxury Product Cards - 高級感のある商品カード */
.variations-grid .variation-card,
.stores-grid .store-card {
    background: linear-gradient(135deg, rgba(245, 241, 232, 0.98) 0%, rgba(234, 228, 217, 0.98) 100%);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-luxury);
    border: 1px solid rgba(201, 169, 97, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.variations-grid .variation-card:hover,
.stores-grid .store-card:hover {
    transform: translateY(-10px);
    box-shadow: 
        0 20px 50px rgba(26, 58, 82, 0.2),
        0 0 0 2px var(--kobe-gold);
}

/* Brass Shine Effect - 真鍮の輝き */
.brass-shine {
    position: relative;
    overflow: hidden;
}

.brass-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(201, 169, 97, 0.3) 50%, transparent 70%);
    animation: shine 4s ease-in-out infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

/* Kobe Footer Enhancement - フッター強化 */
.kobe-footer {
    background: var(--gradient-kobe);
    position: relative;
}

.kobe-footer::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(0,0,0,0.1), transparent);
    pointer-events: none;
}

.kobe-footer-badge {
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
    color: var(--kobe-gold);
    font-weight: 600;
    letter-spacing: 0.1em;
}

.kobe-footer-badge .kobe-icon {
    display: inline-block;
    font-size: 1.5rem;
    margin-right: 0.5rem;
    vertical-align: middle;
}

.kobe-footer-tagline {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    letter-spacing: 0.05em;
}

.kobe-origin {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--kobe-gold);
    font-weight: 600;
}

/* Luxury Button Styles - 高級感のあるボタン */
.btn-primary,
.btn-store-link {
    background: var(--gradient-luxury);
    color: white;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before,
.btn-store-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
    z-index: -1;
}

.btn-primary:hover::before,
.btn-store-link:hover::before {
    left: 100%;
}

/* Fade In Animations - フェードインアニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.fade-in-up.delay-1 { animation-delay: 0.2s; }
.fade-in-up.delay-2 { animation-delay: 0.4s; }
.fade-in-up.delay-3 { animation-delay: 0.6s; }

/* Brass Glow Animation - 真鍮の輝きアニメーション */
@keyframes brassGlow {
    0%, 100% {
        filter: brightness(1) contrast(1);
    }
    50% {
        filter: brightness(1.05) contrast(1.03);
    }
}

.brass-element {
    animation: brassGlow 3s ease-in-out infinite;
}

/* Responsive - Kobe Sections */
@media (max-width: 768px) {
    .kobe-title {
        font-size: 1.875rem;
    }
    
    .kobe-subtitle {
        font-size: 1rem;
    }
    
    .kobe-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .kobe-brands {
        flex-direction: column;
    }
    
    .kobe-brand-divider {
        transform: rotate(90deg);
        font-size: 1.5rem;
    }
    
    .hero-subtitle-top {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .kobe-heritage {
        padding: var(--spacing-lg) 0;
    }
    
    .kobe-title {
        font-size: 1.5rem;
    }
    
    .kobe-badge {
        font-size: 0.75rem;
        padding: 0.375rem 1rem;
    }
    
    .kobe-feature {
        padding: var(--spacing-sm);
    }
    
    .kobe-icon {
        font-size: 2.5rem;
    }
}
