/*
 * AWS SAP学習リソース - dns-records-guide 専用CSS
 * ページ固有のレイアウト・セクション・コンポーネントスタイル
 *
 * 自動生成日: 2026-01-11 18:13:40
 */

* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #9333EA 50%, #0369A1 75%, #00f2fe 100%);
            padding: 20px;
            padding-top: 80px; /* 固定ヘッダー分のスペース確保 */
            line-height: 1.6;
        }
        
        .container {
            max-width: 1400px;
            margin: 0 auto;
            background: white;
            border-radius: 20px;
            box-shadow: 0 25px 70px rgba(0,0,0,0.4);
            overflow: hidden;
        }
        
        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #9333EA 100%);
            color: white;
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .header::before {
            content: '📇';
            position: absolute;
            font-size: 20em;
            opacity: 0.1;
            top: -50px;
            right: -50px;
        }
        
        .header h1 {
            font-size: 3em;
            margin-bottom: 15px;
            position: relative;
            z-index: 1;
        }
        
        .header p {
            font-size: 1.3em;
            opacity: 0.95;
            position: relative;
            z-index: 1;
        }
        
        .content {
            padding: 50px;
        }
        
        .intro {
            text-align: center;
            margin-bottom: 50px;
            padding: 40px;
            background: linear-gradient(135deg, #fff5f5 0%, #ffe4e6 100%);
            border-radius: 15px;
            border-left: 6px solid #f5576c;
        }
        
        .intro h2 {
            color: #be123c;
            font-size: 2.2em;
            margin-bottom: 20px;
        }
        
        .intro-text {
            font-size: 1.2em;
            color: #881337;
            line-height: 1.8;
        }
        
        .analogy-section {
            background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
            padding: 50px;
            border-radius: 20px;
            margin: 50px 0;
            border-left: 8px solid #0284c7;
        }
        
        .analogy-title {
            color: #0c4a6e;
            font-size: 2.5em;
            margin-bottom: 30px;
            text-align: center;
            font-weight: bold;
        }
        
        .analogy-content {
            background: white;
            padding: 35px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            margin: 20px 0;
        }
        
        .analogy-box {
            background: #f0f9ff;
            padding: 25px;
            border-radius: 10px;
            margin: 20px 0;
            border-left: 4px solid #0284c7;
        }
        
        .record-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        
        .record-card {
            background: white;
            border-radius: 20px;
            padding: 35px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            border-top: 6px solid;
        }
        
        .record-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(0,0,0,0.2);
        }
        
        .record-card:nth-child(1) { border-color: #ef4444; }
        .record-card:nth-child(2) { border-color: #CA8A04; }
        .record-card:nth-child(3) { border-color: #047857; }
        .record-card:nth-child(4) { border-color: #0284C7; }
        .record-card:nth-child(5) { border-color: #8b5cf6; }
        .record-card:nth-child(6) { border-color: #ec4899; }
        .record-card:nth-child(7) { border-color: #3b82f6; }
        .record-card:nth-child(8) { border-color: #14b8a6; }
        
        .card-icon {
            font-size: 4em;
            text-align: center;
            margin-bottom: 20px;
        }
        
        .card-title {
            font-size: 2em;
            font-weight: bold;
            text-align: center;
            margin-bottom: 10px;
            color: #1e293b;
        }
        
        .card-subtitle {
            text-align: center;
            color: #64748b;
            font-size: 1.1em;
            margin-bottom: 25px;
            font-weight: 600;
        }
        
        .feature-box {
            background: #f8fafc;
            padding: 20px;
            border-radius: 10px;
            margin: 15px 0;
        }
        
        .feature-title {
            font-weight: bold;
            color: #334155;
            margin-bottom: 10px;
            font-size: 1.1em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .feature-content {
            color: #475569;
            line-height: 1.7;
        }
        
        .example-box {
            background: linear-gradient(to right, #fef3c7 0%, #fffbeb 100%);
            padding: 20px;
            border-radius: 10px;
            margin-top: 15px;
            border-left: 4px solid #CA8A04;
            font-family: 'Courier New', monospace;
            font-size: 0.95em;
        }
        
        .example-title {
            font-weight: bold;
            color: #92400e;
            margin-bottom: 10px;
            font-family: 'Segoe UI', sans-serif;
        }
        
        .comparison-table {
            background: white;
            padding: 40px;
            border-radius: 20px;
            margin: 50px 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .table-title {
            text-align: center;
            font-size: 2em;
            color: #1e293b;
            margin-bottom: 35px;
            font-weight: bold;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
            background: white;
        }
        
        th {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 20px;
            text-align: left;
            font-size: 1.1em;
        }
        
        th:first-child {
            border-radius: 10px 0 0 0;
        }
        
        th:last-child {
            border-radius: 0 10px 0 0;
        }
        
        td {
            padding: 18px;
            border-bottom: 2px solid #f1f5f9;
        }
        
        tr:hover {
            background: #f8fafc;
        }
        
        .use-case-section {
            background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
            padding: 50px;
            border-radius: 20px;
            margin: 50px 0;
            border-left: 8px solid #CA8A04;
        }
        
        .use-case-title {
            color: #92400e;
            font-size: 2.5em;
            margin-bottom: 30px;
            text-align: center;
            font-weight: bold;
        }
        
        .use-case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }
        
        .use-case-card {
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        
        .use-case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
        }
        
        .use-case-icon {
            font-size: 3em;
            text-align: center;
            margin-bottom: 15px;
        }
        
        .use-case-card h4 {
            color: #92400e;
            font-size: 1.4em;
            margin-bottom: 15px;
            text-align: center;
        }
        
        .scenario-box {
            background: #fffbeb;
            padding: 20px;
            border-radius: 10px;
            margin: 15px 0;
        }
        
        .tip-box {
            background: linear-gradient(135deg, #A0A0A06fe 0%, #c4b5fd 100%);
            padding: 35px;
            border-radius: 15px;
            margin: 40px 0;
            border-left: 6px solid #7c3aed;
        }
        
        .tip-title {
            font-size: 1.6em;
            font-weight: bold;
            color: #5b21b6;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .tip-content {
            color: #5b21b6;
            line-height: 1.9;
            font-size: 1.05em;
        }
        
        .workflow-section {
            background: linear-gradient(to bottom, #f8fafc 0%, white 100%);
            padding: 50px;
            border-radius: 20px;
            margin: 50px 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .workflow-title {
            text-align: center;
            font-size: 2.5em;
            color: #1e293b;
            margin-bottom: 40px;
            font-weight: bold;
        }
        
        .workflow-step {
            background: white;
            padding: 30px;
            border-radius: 15px;
            margin: 25px 0;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            border-left: 6px solid;
            transition: all 0.3s ease;
        }
        
        .workflow-step:hover {
            transform: translateX(10px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }
        
        .workflow-step:nth-child(1) { border-color: #ef4444; }
        .workflow-step:nth-child(2) { border-color: #CA8A04; }
        .workflow-step:nth-child(3) { border-color: #047857; }
        .workflow-step:nth-child(4) { border-color: #0284C7; }
        .workflow-step:nth-child(5) { border-color: #8b5cf6; }
        
        .step-number {
            display: inline-block;
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            text-align: center;
            line-height: 45px;
            font-weight: bold;
            font-size: 1.3em;
            margin-right: 15px;
        }
        
        .step-title {
            font-size: 1.5em;
            font-weight: bold;
            color: #1e293b;
            margin-bottom: 15px;
        }
        
        .step-content {
            color: #475569;
            line-height: 1.8;
            margin-left: 60px;
        }
        
        .code-example {
            background: #1e293b;
            color: #f1f5f9;
            padding: 25px;
            border-radius: 12px;
            overflow-x: auto;
            font-family: 'Courier New', monospace;
            font-size: 0.9em;
            line-height: 1.8;
            margin: 20px 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        
        .code-comment { color: #64748B; }
        .code-keyword { color: #f472b6; }
        .code-string { color: #34d399; }
        
        @media (max-width: 1024px) {
            .record-cards {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .header h1 {
                font-size: 2em;
            }
            
            .content {
                padding: 30px 20px;
            }
            
            .use-case-grid {
                grid-template-columns: 1fr;
            }
        }
    
        
        

        

        

        

        

        

        

        /* 読書進捗インジケーター */
        

        

        

        /* トップに戻るボタン */
        

        

        

        

        /* Mobile responsive */
        @media (max-width: 768px) {
            

            

            

            

            
        }