:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --dark: #0f172a;
    --text: #334155;
    --text-light: #64748b;
    --bg: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;
    --radius: 12px;
    --font: 'Inter', 'Noto Sans JP', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ボタン */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--dark);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background-color: var(--bg);
    transform: translateY(-2px);
}

.btn-primary-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 6px;
}

.btn-primary-sm:hover {
    background-color: var(--primary-hover);
}

.btn-secondary-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
    background-color: var(--white);
    color: var(--dark);
    border: 1px solid var(--border);
    border-radius: 6px;
}

.btn-secondary-sm:hover {
    background-color: var(--bg);
}

/* ナビゲーションバー */
.navbar {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--dark);
}

.navbar nav a {
    color: var(--text);
    text-decoration: none;
    margin-left: 24px;
    font-weight: 600;
    transition: color 0.2s;
}

.navbar nav a:hover {
    color: var(--primary);
}

/* ヒーローセクション */
.hero {
    padding: 80px 0;
    background: radial-gradient(100% 100% at 50% 0%, var(--primary-light) 0%, var(--bg) 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-text .badge {
    display: inline-block;
    padding: 6px 12px;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.hero-text h1 {
    font-size: 2.75rem;
    font-weight: 900;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-text .highlight {
    color: var(--primary);
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* カードプレビュー */
.preview-card {
    background-color: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.card-header {
    background-color: #f1f5f9;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.card-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 6px;
}

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.card-header .title {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-left: 12px;
    font-weight: 600;
}

.card-body {
    padding: 16px;
    overflow-x: auto;
}

.preview-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    text-align: left;
}

.preview-table th {
    background-color: var(--bg);
    padding: 10px;
    color: var(--dark);
    font-weight: 700;
    border-bottom: 2px solid var(--border);
}

.preview-table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.tag {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
}

.tag.gmaps { background-color: #e0f2fe; color: #0369a1; }
.tag.tabelog { background-color: #ffedd5; color: #c2410c; }
.tag.hotpepper { background-color: #fce7f3; color: #be185d; }

/* 特徴セクション */
.features {
    padding: 100px 0;
    background-color: var(--white);
}

.section-title {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-title h2 {
    font-size: 2.25rem;
    font-weight: 900;
    color: var(--dark);
    margin-bottom: 16px;
}

.section-title p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 40px 32px;
    background-color: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.04);
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ワークフロー */
.workflow {
    padding: 100px 0;
}

.workflow-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    align-items: center;
    gap: 32px;
}

.step-num {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    opacity: 0.3;
}

.step-content h3 {
    font-size: 1.25rem;
    color: var(--dark);
    margin-bottom: 8px;
    font-weight: 700;
}

.step-content p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ダウンロードセクション */
.download-section {
    padding: 100px 0;
    background-color: var(--white);
}

.download-box {
    background-color: var(--dark);
    color: var(--white);
    border-radius: 24px;
    padding: 60px 48px;
    text-align: center;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.15);
}

.download-box h2 {
    font-size: 2.25rem;
    font-weight: 900;
    margin-bottom: 16px;
}

.download-box > p {
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto 48px auto;
}

.download-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    text-align: left;
}

.download-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.download-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.download-card p {
    color: #94a3b8;
    font-size: 0.9rem;
    margin-bottom: 24px;
    line-height: 1.5;
}

.download-btn {
    width: 100%;
}

/* フッター */
footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-light);
    font-size: 0.9rem;
}

/* デモセクション */
.demo-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg) 0%, var(--white) 100%);
}

.demo-card {
    background: var(--white);
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
    padding: 40px;
}

/* ドロップゾーン */
.drop-zone {
    border: 2px dashed #cbd5e1;
    border-radius: 12px;
    padding: 60px 20px;
    text-align: center;
    background-color: var(--bg);
    cursor: pointer;
    transition: all 0.3s ease;
}

.drop-zone.dragover {
    border-color: var(--primary);
    background-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.drop-icon {
    font-size: 3rem;
    transition: transform 0.2s ease;
}

.drop-zone:hover .drop-icon {
    transform: translateY(-5px);
}

.drop-zone-content h3 {
    font-size: 1.25rem;
    color: var(--dark);
    font-weight: 700;
}

.drop-zone-content p {
    color: var(--text-light);
    font-size: 0.9rem;
    max-width: 500px;
}

/* 処理中ステータス */
.demo-process {
    background-color: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 30px;
}

.process-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.process-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(37, 99, 235, 0.1);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.demo-progress-wrap {
    background-color: #e2e8f0;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.demo-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #3b82f6);
    width: 0%;
    transition: width 0.3s ease-out;
}

/* 統計ダッシュボード */
.demo-dashboard {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-bottom: 40px;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.stat-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
}

.stat-card .stat-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 900;
    color: var(--dark);
    margin-bottom: 4px;
    line-height: 1.2;
}

.stat-card .stat-desc {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* ダッシュボードカラーバリエーション */
.stat-card.stat-warn {
    border-top: 4px solid #f59e0b;
}
.stat-card.stat-warn .stat-value {
    color: #d97706;
}

.stat-card.stat-danger {
    border-top: 4px solid #ef4444;
}
.stat-card.stat-danger .stat-value {
    color: #dc2626;
}

.stat-card.stat-success {
    border-top: 4px solid #10b981;
}
.stat-card.stat-success .stat-value {
    color: #059669;
}

.stat-card.stat-primary {
    border-top: 4px solid var(--primary);
    background-color: var(--primary-light);
}
.stat-card.stat-primary .stat-value {
    color: var(--primary);
}

/* クレンジング結果リスト */
.demo-results {
    animation: fadeIn 0.5s ease-out;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 16px;
}

.results-header h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--dark);
}

.table-scroll {
    max-height: 380px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--white);
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: left;
}

.results-table th {
    background-color: #f1f5f9;
    padding: 14px 16px;
    color: var(--dark);
    font-weight: 700;
    border-bottom: 2px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.results-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    white-space: nowrap;
}

.results-table tr:last-child td {
    border-bottom: none;
}

.results-table tr:hover td {
    background-color: #f8fafc;
}

.results-table tr.row-ignored td {
    opacity: 0.5;
    background-color: #f8fafc;
}

/* ステータスバッジ */
.status-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-align: center;
}

.status-badge.status-normal {
    background-color: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.status-badge.status-dupe {
    background-color: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.status-badge.status-chain {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.status-badge.status-completed {
    background-color: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
    animation: highlightPulse 2s infinite alternate;
}

@keyframes highlightPulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.2); }
    100% { box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.4); }
}

/* レスポンシブ */
@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .grid-3 {
        grid-template-columns: 1fr;
    }
    .download-grid {
        grid-template-columns: 1fr;
    }
    .demo-dashboard {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .demo-dashboard {
        grid-template-columns: 1fr;
    }
    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .results-header button {
        width: 100%;
    }
    .demo-card {
        padding: 20px;
    }
}