/* リセット & 基本設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --dark-bg: #0f172a;
    --sidebar-bg: #1e293b;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --hover-bg: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: #f8fafc;
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
}

/* サイドバー */
.sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--sidebar-bg) 100%);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    z-index: 100;
}

.logo {
    padding: 2rem 1.5rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: #fff;
}

.logo p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 300;
}

.nav-menu {
    flex: 1;
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.875rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-item i {
    width: 24px;
    margin-right: 0.75rem;
    font-size: 1.125rem;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: white;
}

.nav-item.active {
    background-color: rgba(37, 99, 235, 0.2);
    color: white;
    border-left-color: var(--primary-color);
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mpvv {
    font-size: 0.75rem;
    line-height: 1.6;
}

.mpvv-mission {
    font-weight: 600;
    color: #fbbf24;
    margin-bottom: 0.5rem;
}

.mpvv-purpose {
    color: rgba(255, 255, 255, 0.6);
}

/* メインコンテンツ */
.main-content {
    margin-left: 260px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.top-header {
    background: white;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-right {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.date-display, .user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.date-display i, .user-info i {
    font-size: 1.125rem;
}

.content-area {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

/* ページ表示制御 */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* カード */
.card {
    background: var(--card-bg);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

/* ダッシュボード */
.dashboard-grid {
    display: grid;
    gap: 1.5rem;
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.summary-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.card-blue .card-icon {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
}

.card-green .card-icon {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.card-orange .card-icon {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.card-purple .card-icon {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
}

.card-content h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.card-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.dashboard-section {
    margin-top: 1.5rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.section-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: gap 0.2s;
}

.btn-link:hover {
    gap: 0.5rem;
}

/* タスクリスト */
.task-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.task-item {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: #fafafa;
    transition: background 0.2s;
}

.task-item:hover {
    background: #f5f5f5;
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.5rem;
}

.task-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.task-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.badge {
    padding: 0.25rem 0.625rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-high {
    background: #fef2f2;
    color: #dc2626;
}

.badge-medium {
    background: #fefce8;
    color: #ca8a04;
}

.badge-low {
    background: #f0f9ff;
    color: #0284c7;
}

.badge-progress {
    background: #eff6ff;
    color: #2563eb;
}

.badge-pending {
    background: #f9fafb;
    color: #6b7280;
}

.badge-completed {
    background: #f0fdf4;
    color: #16a34a;
}

/* リスクリスト */
.risk-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.risk-item {
    padding: 1rem;
    border-left: 4px solid;
    border-radius: 0.5rem;
    background: #fafafa;
}

.risk-item.risk-high {
    border-left-color: var(--danger-color);
    background: #fef2f2;
}

.risk-item.risk-medium {
    border-left-color: var(--warning-color);
    background: #fefce8;
}

.risk-item.risk-low {
    border-left-color: var(--success-color);
    background: #f0fdf4;
}

.risk-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.risk-meta {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* テーブル */
.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table thead {
    background: #f8fafc;
    border-bottom: 2px solid var(--border-color);
}

.data-table th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.data-table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table tbody tr:hover {
    background: var(--hover-bg);
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem;
    font-size: 0.875rem;
}

/* ボタン */
.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: #475569;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

/* ページアクション */
.page-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-group {
    display: flex;
    gap: 0.75rem;
}

.filter-select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    background: white;
    cursor: pointer;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 0.75rem;
    color: var(--text-secondary);
}

.search-box input {
    padding: 0.5rem 0.75rem 0.5rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    width: 300px;
}

/* KPIグリッド */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.kpi-grid .card {
    padding: 1.5rem;
}

.kpi-grid .card h3 {
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

/* 分析グリッド */
.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.analysis-grid .card {
    padding: 1.5rem;
}

.analysis-grid .card h3 {
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.recommendation-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.recommendation-item {
    padding: 1rem;
    background: #f0f9ff;
    border-left: 4px solid var(--primary-color);
    border-radius: 0.5rem;
}

.recommendation-item h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.recommendation-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ナレッジグリッド */
.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.knowledge-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.2s;
}

.knowledge-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.knowledge-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.knowledge-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.knowledge-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.knowledge-tag {
    padding: 0.25rem 0.625rem;
    background: #f1f5f9;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* レポートカード */
.report-card {
    max-width: 1000px;
    margin: 0 auto;
}

.report-header {
    text-align: center;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 2rem;
}

.report-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.report-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.report-section {
    margin-bottom: 2rem;
}

.report-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.report-section ul {
    list-style: none;
    padding-left: 0;
}

.report-section li {
    padding: 0.75rem 1rem;
    background: #f8fafc;
    border-left: 4px solid var(--primary-color);
    margin-bottom: 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.9375rem;
}

/* モーダル */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 0.75rem;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.375rem;
    transition: background 0.2s;
}

.modal-close:hover {
    background: var(--hover-bg);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* フォーム */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.required {
    color: var(--danger-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* チャートコンテナ */
canvas {
    max-height: 400px;
}

/* レスポンシブ */
@media (max-width: 1024px) {
    .sidebar {
        width: 220px;
    }
    
    .main-content {
        margin-left: 220px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .summary-cards {
        grid-template-columns: 1fr;
    }
    
    .kpi-grid,
    .analysis-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}