* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background: #ffffff;
        }
        
        /* ヘッダー */
        header {
            background: #1a1a2e;
            color: white;
            padding: 1rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        nav {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            background: linear-gradient(45deg, #4A90E2, #7B68EE);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        nav ul {
            list-style: none;
            display: flex;
            gap: 2rem;
        }
        
        nav a {
            color: white;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        nav a:hover {
            color: #4A90E2;
        }
        
        /* メインビジュアル */
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 8rem 2rem 4rem;
            text-align: center;
            margin-top: 60px;
        }
        
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            animation: fadeIn 1s ease-out;
        }
        
        .hero p {
            font-size: 1.3rem;
            max-width: 600px;
            margin: 0 auto 2rem;
            opacity: 0.9;
            animation: fadeIn 1s ease-out 0.3s both;
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* セクション共通 */
        section {
            padding: 4rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        h2 {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 3rem;
            color: #1a1a2e;
        }
        
        /* 事業内容 */
        .services {
            background: #f8f9fa;
        }
        
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .service-card {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: default;
        }
        
        /* マウスホバー時のエフェクトを削除（クリックできないことを示すため） */
        
        .service-card h3 {
            color: #4A90E2;
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }
        
        /* 会社概要 */
        .company-info {
            background: white;
        }
        
        .info-table {
            max-width: 800px;
            margin: 0 auto;
            background: #f8f9fa;
            border-radius: 10px;
            overflow: hidden;
        }
        
        .info-row {
            display: grid;
            grid-template-columns: 200px 1fr;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .info-row:last-child {
            border-bottom: none;
        }
        
        .info-label {
            background: #1a1a2e;
            color: white;
            padding: 1rem;
            font-weight: bold;
        }
        
        .info-content {
            padding: 1rem;
            background: white;
        }
        
        /* お問い合わせ */
        .contact {
            background: #f8f9fa;
            text-align: center;
        }
        
        .contact-content {
            max-width: 600px;
            margin: 0 auto;
        }
        
        .contact-button {
            display: inline-block;
            background: linear-gradient(45deg, #4A90E2, #7B68EE);
            color: white;
            padding: 1rem 3rem;
            border-radius: 50px;
            text-decoration: none;
            font-size: 1.2rem;
            transition: transform 0.3s, box-shadow 0.3s;
            margin-top: 2rem;
        }
        
        .contact-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(74, 144, 226, 0.3);
        }
        
        /* フッター */
        footer {
            background: #1a1a2e;
            color: white;
            text-align: center;
            padding: 2rem;
        }
        
        /* レスポンシブ */
        @media (max-width: 768px) {
            nav ul {
                display: none;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            .info-row {
                grid-template-columns: 1fr;
            }
            
            .info-label {
                text-align: center;
            }
        }