/* リセットとベーススタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', 'Segoe UI', 'メイリオ', Meiryo, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.tagline {
    font-size: 1.1rem;
    opacity: 0.95;
}

/* メインコンテンツ */
main {
    padding: 40px 20px;
}

section {
    margin-bottom: 60px;
}

section h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

/* 商品リスト */
.product-list {
    list-style: none;
    margin-top: 30px;
    display: grid;
    gap: 20px;
}

.product-item {
    background: white;
    border-radius: 10px;
    padding: 20px 24px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}

.product-name {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.product-name a {
    color: #3b4cca;
    text-decoration: none;
}

.product-name a:hover {
    text-decoration: underline;
}

.product-review {
    color: #555;
    font-size: 0.95rem;
}

/* フッター */
footer {
    background: #2c3e50;
    color: white;
    padding: 40px 0;
    text-align: center;
    margin-top: 60px;
}

footer p {
    margin-bottom: 10px;
}

.disclaimer {
    font-size: 0.85rem;
    color: #bdc3c7;
    margin-top: 20px;
    line-height: 1.6;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    section h2 {
        font-size: 1.6rem;
    }
    
    .product-list {
        gap: 16px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 40px 0;
    }
    
    header h1 {
        font-size: 1.6rem;
    }
    
    .product-item {
        padding: 16px 18px;
    }
}