/*
 * AWS SAP学習リソース - acm-dns-simple-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', 'Hiragino Sans', 'Meiryo', sans-serif;
            background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
            color: #e2e8f0;
            line-height: 1.8;
            min-height: 100vh;
        
            padding-top: 80px; /* 固定ヘッダー分のスペース確保 */
        }

        .container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        /* ヒーロー */
        .hero {
            text-align: center;
            padding: 60px 20px;
            background: linear-gradient(135deg, #059669 0%, #0891b2 100%);
            border-radius: 30px;
            margin-bottom: 60px;
        }

        .hero-emoji {
            font-size: 100px;
            display: block;
            margin-bottom: 20px;
        }

        .hero h1 {
            font-size: 2.5em;
            margin-bottom: 15px;
        }

        .hero p {
            font-size: 1.3em;
            opacity: 0.95;
        }

        /* 一言まとめ */
        .one-line {
            background: linear-gradient(135deg, #CA8A04 0%, #CA8A04 100%);
            color: #1e293b;
            text-align: center;
            padding: 30px;
            border-radius: 20px;
            margin-bottom: 60px;
            font-size: 1.4em;
            font-weight: bold;
        }

        .one-line span {
            display: block;
            font-size: 2em;
            margin-bottom: 10px;
        }

        /* セクションタイトル */
        .section-title {
            text-align: center;
            font-size: 1.8em;
            margin-bottom: 40px;
            color: #f1f5f9;
        }

        /* ========================================
           たとえ話セクション - ジムの会員証
           ======================================== */
        .analogy-section {
            background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
            border-radius: 30px;
            padding: 50px 30px;
            margin-bottom: 60px;
        }

        .analogy-title {
            text-align: center;
            font-size: 1.5em;
            margin-bottom: 40px;
            background: rgba(255,255,255,0.2);
            padding: 15px;
            border-radius: 15px;
        }

        .analogy-comparison {
            display: grid;
            grid-template-columns: 1fr 80px 1fr;
            gap: 20px;
            align-items: center;
        }

        .analogy-box {
            background: rgba(255,255,255,0.15);
            border-radius: 25px;
            padding: 30px;
            text-align: center;
        }

        .analogy-box h3 {
            font-size: 1.3em;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid rgba(255,255,255,0.3);
        }

        .analogy-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 15px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            text-align: left;
        }

        .analogy-item:last-child {
            border-bottom: none;
        }

        .analogy-item-icon {
            font-size: 2em;
            flex-shrink: 0;
        }

        .analogy-equals {
            font-size: 3em;
            color: rgba(255,255,255,0.7);
            text-align: center;
        }

        /* ========================================
           問題と解決
           ======================================== */
        .problem-solution {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-bottom: 60px;
        }

        .problem-card, .solution-card {
            border-radius: 25px;
            padding: 40px 30px;
            text-align: center;
        }

        .problem-card {
            background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
        }

        .solution-card {
            background: linear-gradient(135deg, #059669 0%, #047857 100%);
        }

        .card-emoji {
            font-size: 4em;
            display: block;
            margin-bottom: 20px;
        }

        .card-title {
            font-size: 1.4em;
            margin-bottom: 20px;
        }

        .card-list {
            text-align: left;
            list-style: none;
        }

        .card-list li {
            padding: 10px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05em;
        }

        /* ========================================
           超シンプルフロー
           ======================================== */
        .simple-flow {
            background: linear-gradient(135deg, #1e3a5f 0%, #1e40af 100%);
            border-radius: 30px;
            padding: 50px 30px;
            margin-bottom: 60px;
        }

        .flow-steps {
            display: flex;
            flex-direction: column;
            gap: 25px;
            max-width: 700px;
            margin: 0 auto;
        }

        .flow-step {
            display: flex;
            align-items: center;
            gap: 25px;
            background: rgba(255,255,255,0.1);
            padding: 25px;
            border-radius: 20px;
            transition: transform 0.3s ease;
        }

        .flow-step:hover {
            transform: translateX(10px);
        }

        .step-number {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, #047857 0%, #059669 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8em;
            font-weight: bold;
            flex-shrink: 0;
            box-shadow: 0 4px 20px rgba(16, 185, 129, 0.5);
        }

        .step-content h4 {
            font-size: 1.3em;
            color: #047857;
            margin-bottom: 5px;
        }

        .step-content p {
            color: #64748B;
            font-size: 1em;
        }

        .flow-arrow {
            text-align: center;
            font-size: 2em;
            color: #047857;
            margin-left: 32px;
        }

        /* ========================================
           自動更新の図解
           ======================================== */
        .auto-renewal {
            background: linear-gradient(135deg, #0c4a6e 0%, #0369a1 100%);
            border-radius: 30px;
            padding: 50px 30px;
            margin-bottom: 60px;
            text-align: center;
        }

        .renewal-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
            flex-wrap: wrap;
            margin: 40px 0;
        }

        .renewal-item {
            background: rgba(255,255,255,0.1);
            border-radius: 20px;
            padding: 25px 20px;
            min-width: 140px;
        }

        .renewal-item-emoji {
            font-size: 3em;
            display: block;
            margin-bottom: 10px;
        }

        .renewal-item h4 {
            font-size: 1em;
            color: #7dd3fc;
        }

        .renewal-arrow {
            font-size: 2em;
            color: #38bdf8;
        }

        .renewal-highlight {
            background: linear-gradient(135deg, #22d3ee 0%, #0284C7 100%);
            border: 3px solid #67e8f9;
            box-shadow: 0 0 30px rgba(34, 211, 238, 0.4);
        }

        .renewal-highlight h4 {
            color: white;
            font-weight: bold;
        }

        .renewal-note {
            background: rgba(255,255,255,0.1);
            padding: 20px 30px;
            border-radius: 15px;
            font-size: 1.2em;
            display: inline-block;
        }

        /* ========================================
           比較表
           ======================================== */
        .comparison-section {
            margin-bottom: 60px;
        }

        .comparison-table {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3px;
            background: #374151;
            border-radius: 20px;
            overflow: hidden;
        }

        .table-header {
            background: #1f2937;
            padding: 20px;
            font-weight: bold;
            text-align: center;
            font-size: 1.1em;
        }

        .table-header.dns {
            background: linear-gradient(135deg, #059669 0%, #047857 100%);
        }

        .table-header.email {
            background: #6b7280;
        }

        .table-cell {
            background: #1e293b;
            padding: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .table-cell.label {
            justify-content: flex-start;
            padding-left: 25px;
            font-weight: 500;
        }

        .table-cell .yes {
            color: #047857;
            font-size: 1.5em;
        }

        .table-cell .no {
            color: #ef4444;
            font-size: 1.5em;
        }

        /* ========================================
           重要ポイント
           ======================================== */
        .key-point {
            background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
            border-radius: 25px;
            padding: 40px;
            margin-bottom: 60px;
            text-align: center;
        }

        .key-point h2 {
            font-size: 1.8em;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
        }

        .key-point-content {
            background: rgba(0,0,0,0.3);
            border-radius: 20px;
            padding: 30px;
            font-size: 1.3em;
        }

        .key-point-content strong {
            color: #fca5a5;
            font-size: 1.2em;
        }

        /* ========================================
           まとめ
           ======================================== */
        .summary {
            background: linear-gradient(135deg, #047857 0%, #059669 100%);
            border-radius: 30px;
            padding: 50px 30px;
            text-align: center;
        }

        .summary h2 {
            font-size: 2em;
            margin-bottom: 40px;
        }

        .summary-steps {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .summary-step {
            background: rgba(255,255,255,0.2);
            border-radius: 20px;
            padding: 30px 25px;
            min-width: 180px;
        }

        .summary-step-num {
            width: 50px;
            height: 50px;
            background: white;
            color: #059669;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5em;
            font-weight: bold;
            margin: 0 auto 15px;
        }

        .summary-step h4 {
            font-size: 1.1em;
            margin-bottom: 5px;
        }

        .summary-step p {
            font-size: 0.9em;
            opacity: 0.9;
        }

        .summary-arrow {
            display: flex;
            align-items: center;
            font-size: 2em;
            color: rgba(255,255,255,0.7);
        }

        .final-message {
            background: rgba(255,255,255,0.15);
            padding: 25px 35px;
            border-radius: 20px;
            font-size: 1.3em;
            display: inline-block;
        }

        /* レスポンシブ */
        @media (max-width: 800px) {
            .analogy-comparison {
                grid-template-columns: 1fr;
            }

            .analogy-equals {
                transform: rotate(90deg);
            }

            .problem-solution {
                grid-template-columns: 1fr;
            }

            .comparison-table {
                grid-template-columns: 1fr;
            }

            .table-header, .table-cell {
                padding: 15px;
            }

            .renewal-visual {
                flex-direction: column;
            }

            .renewal-arrow {
                transform: rotate(90deg);
            }

            .summary-steps {
                flex-direction: column;
                align-items: center;
            }

            .summary-arrow {
                transform: rotate(90deg);
            }
        }
    
        
        

        

        

        

        

        

        

        /* 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) {
            

            

            

            

            
        }