/* ==========================================================================
   WhyTrend - Modern Style (2026 Edition)
   ========================================================================== */

:root {
    /* Modern Gradient Theme */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #0ea5e9;
    --color-accent: #f43f5e;
    --color-accent-light: #fb7185;

    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;

    /* Text & Background */
    --color-text: #0f172a;
    --color-text-light: #64748b;
    --color-text-muted: #94a3b8;
    --color-bg: #f1f5f9;
    --color-bg-white: #ffffff;
    --color-bg-dark: #0f172a;
    --color-border: #e2e8f0;

    /* Ranking Colors */
    --rank-1: #fbbf24;
    --rank-2: #9ca3af;
    --rank-3: #cd7f32;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);

    /* Typography */
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Noto Sans JP", sans-serif;
    --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.05);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);

    /* Spacing & Radius */
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --max-width: 1280px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 1rem;
    line-height: 1.3;
    font-weight: 700;
}

p { margin: 0 0 1rem; }

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover { color: var(--color-primary-dark); }

ul, ol { margin: 0 0 1rem; padding-left: 1.5rem; }
img { max-width: 100%; height: auto; }

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    background: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
    padding: 0.875rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.9);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.025em;
}

.logo:hover { text-decoration: none; }

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: 10px;
    font-size: 1.125rem;
    font-weight: 700;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav > a {
    color: var(--color-text-light);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Navigation Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--color-text-light);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.2s;
}

.nav-dropdown-trigger::after {
    content: "";
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform 0.2s;
}

.nav-dropdown:hover .nav-dropdown-trigger {
    color: var(--color-primary);
}

.nav-dropdown:hover .nav-dropdown-trigger::after {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 0.5rem;
    min-width: 160px;
    background: var(--color-bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 200;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.nav-dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--color-text);
    font-size: 0.875rem;
    transition: background 0.2s;
}

.nav-dropdown-menu a:hover {
    background: var(--color-bg);
    color: var(--color-primary);
}

/* Main */
.main {
    padding: 0 0 3rem;
    min-height: calc(100vh - 200px);
}

/* Footer */
.footer {
    background: var(--color-bg-dark);
    color: var(--color-bg);
    padding: 3rem 0;
}

.footer-text { margin-bottom: 0.5rem; font-weight: 500; }

.footer-source {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    font-size: 0.875rem;
}

.footer-source img {
    height: 20px;
}

.footer-note {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-nav a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-nav a:hover { color: white; }

/* ==========================================================================
   Hero Section (Modern Gradient)
   ========================================================================== */

.hero {
    background: var(--gradient-hero);
    color: white;
    padding: 3rem 0 4rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero .container {
    position: relative;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    font-weight: 800;
    letter-spacing: -0.025em;
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    margin-bottom: 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero.hero-compact {
    padding: 2rem 0 2.5rem;
    margin-bottom: 1.5rem;
}

.hero-source {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.625rem 1.25rem;
    border-radius: 100px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-source strong { color: white; }

.update-time {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 1rem;
}

/* ==========================================================================
   Quick Navigation (Top Page)
   ========================================================================== */

.quick-nav {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.quick-nav-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.quick-nav-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.quick-nav-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-light);
    white-space: nowrap;
}

.quick-nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.quick-nav-link {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    border-radius: 100px;
    text-decoration: none;
    transition: all 0.2s;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
}

.quick-nav-link:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.quick-nav-link.region:hover {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: white;
}

.quick-nav-link.category:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* ==========================================================================
   Ranking Section (TOP 10)
   ========================================================================== */

.ranking-section {
    margin-bottom: 3rem;
}

.section-header {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.section-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    font-size: 1.5rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-header h2::before {
    content: "";
    width: 4px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ソース情報・プルダウン */
.source-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.source-select {
    padding: 0.5rem 2rem 0.5rem 0.875rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg-white);
    color: var(--color-text);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 16px;
    transition: all 0.2s;
}

.source-select:hover {
    border-color: var(--color-primary-light);
}

.source-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.source-select option:disabled {
    color: var(--color-text-muted);
}

.update-time-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    background: var(--color-bg);
    border-radius: 100px;
}

.update-time-badge::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.category-tabs {
    display: flex;
    gap: 0.5rem;
}

.category-tab {
    padding: 0.5rem 1rem;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all 0.2s;
}

.category-tab:hover,
.category-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* Ranking List */
.ranking-list {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.ranking-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    transition: background 0.2s;
    text-decoration: none;
    color: inherit;
}

.ranking-item:last-child { border-bottom: none; }
.ranking-item:hover { background: var(--color-bg); }

.rank-number {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    border-radius: 10px;
    margin-right: 1rem;
    flex-shrink: 0;
}

.rank-1 { background: linear-gradient(135deg, #fbbf24, #f59e0b); color: white; }
.rank-2 { background: linear-gradient(135deg, #9ca3af, #6b7280); color: white; }
.rank-3 { background: linear-gradient(135deg, #cd7f32, #b87333); color: white; }
.rank-default { background: var(--color-bg); color: var(--color-text-light); }

.rank-content {
    flex: 1;
    min-width: 0;
}

.rank-keyword {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rank-keyword .has-article {
    font-size: 0.625rem;
    background: var(--gradient-primary);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: 100px;
}

.rank-keyword .external-link-badge {
    font-size: 0.625rem;
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: 100px;
}

.rank-meta {
    font-size: 0.75rem;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.rank-category {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    background: var(--color-bg);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.rank-volume {
    color: var(--color-success);
    font-weight: 600;
}

.rank-arrow {
    color: var(--color-text-muted);
    margin-left: 0.5rem;
}

/* ==========================================================================
   Article Cards (TOP 3 with AI Analysis)
   ========================================================================== */

.trend-list h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.trend-list h2::before {
    content: "";
    width: 4px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.article-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.article-card.rank-1-card { border-top: 4px solid var(--rank-1); }
.article-card.rank-2-card { border-top: 4px solid var(--rank-2); }
.article-card.rank-3-card { border-top: 4px solid var(--rank-3); }

.article-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
}

.article-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.article-card-content {
    padding: 1.25rem;
}

.article-image-placeholder {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    gap: 0.5rem;
}

.article-image-placeholder .placeholder-icon {
    font-size: 2.5rem;
}

.article-image-placeholder .placeholder-text {
    font-size: 0.875rem;
    opacity: 0.9;
}

.article-link {
    display: block;
    padding: 1.25rem;
    color: inherit;
}

.article-link:hover { text-decoration: none; }

.article-card .article-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.article-rank {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.625rem;
    border-radius: 6px;
}

.article-rank.rank-1 { background: linear-gradient(135deg, #fbbf24, #f59e0b); color: white; }
.article-rank.rank-2 { background: linear-gradient(135deg, #9ca3af, #6b7280); color: white; }
.article-rank.rank-3 { background: linear-gradient(135deg, #cd7f32, #b87333); color: white; }

.article-card .article-header time {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.article-card .article-title {
    font-size: 1.125rem;
    margin-bottom: 0.625rem;
    line-height: 1.4;
}

.article-card .article-summary {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.article-card .article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.volume-change {
    color: var(--color-success);
    font-weight: 600;
}

.buzz-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    border-radius: 100px;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
}

.buzz-high { background: var(--color-accent); color: white; }
.buzz-medium { background: var(--color-warning); color: white; }
.buzz-low { background: var(--color-text-muted); color: white; }

/* カテゴリバッジ */
.category-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.category-entertainment { background: #fef3c7; color: #92400e; border-color: #fbbf24; }
.category-sports { background: #dbeafe; color: #1e40af; border-color: #3b82f6; }
.category-tech, .category-it { background: #f3e8ff; color: #6b21a8; border-color: #a855f7; }
.category-business { background: #dcfce7; color: #166534; border-color: #22c55e; }
.category-society { background: #fee2e2; color: #991b1b; border-color: #ef4444; }
.category-life { background: #fae8ff; color: #86198f; border-color: #d946ef; }
.category-other { background: #f3f4f6; color: #4b5563; border-color: #9ca3af; }

/* 地域バッジ */
.region-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    background: linear-gradient(135deg, #e0f2fe, #bae6fd);
    color: #0369a1;
    border: 1px solid #38bdf8;
    text-decoration: none;
    transition: all 0.2s ease;
}

.region-badge:hover {
    background: linear-gradient(135deg, #bae6fd, #7dd3fc);
    transform: translateY(-1px);
}

.no-articles {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-text-light);
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
}

/* ==========================================================================
   Map Section
   ========================================================================== */

.map-section {
    margin-top: 3rem;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.map-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.map-container {
    height: 400px;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-bg);
}

.map-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.75rem;
    text-align: center;
}

/* Leaflet popup styling */
.leaflet-popup-content {
    margin: 0.75rem 1rem;
    font-family: var(--font-sans);
}

.leaflet-popup-content strong {
    color: var(--color-primary);
}

/* Rank marker styling */
.rank-marker {
    background: transparent;
    border: none;
}

.rank-marker-inner {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    border: 2px solid white;
}

/* Map popup enhanced styling */
.map-popup {
    min-width: 160px;
}

.map-popup .popup-rank {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    margin-right: 0.25rem;
}

.map-popup .popup-keyword {
    font-size: 1rem;
    color: var(--color-text);
}

.map-popup .popup-location {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 0.25rem;
}

.map-popup .popup-time {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.map-popup .popup-link {
    display: inline-block;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
}

.map-popup .popup-link:hover {
    text-decoration: underline;
}

/* Article map section */
.article-map-section {
    margin-top: 2rem;
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.article-map-section h2 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.article-map-container {
    height: 250px;
    border-radius: var(--radius);
    overflow: hidden;
}

.map-location-name {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: 0.75rem;
}

/* Article marker styling */
.article-marker {
    background: transparent;
    border: none;
}

.article-marker-inner {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gradient-primary);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    border: 3px solid white;
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about-section {
    margin-top: 3rem;
    padding: 2.5rem;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.about-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-list li {
    padding: 1.5rem;
    background: var(--color-bg);
    border-radius: var(--radius);
    text-align: center;
}

.feature-list strong {
    display: block;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.feature-list li span {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ==========================================================================
   Article Detail
   ========================================================================== */

.article-detail {
    max-width: 900px;
    margin: 0 auto;
}

.breadcrumb {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    padding-top: 1.5rem;
}

.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }

.article-detail .article-header {
    margin-bottom: 1rem;
}

/* ヒーロー画像（大きく表示） */
.article-hero {
    position: relative;
    width: 100%;
    margin-bottom: 1.5rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.article-hero-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    display: block;
}

.article-hero .image-credit {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    padding: 0.25rem 0.5rem;
    background: rgba(0, 0, 0, 0.6);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.7rem;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

.article-header-content {
    background: var(--color-bg-white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.summary-inline {
    margin-top: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: var(--radius);
    border-left: 4px solid var(--color-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 旧ヒーロー画像（後方互換用） */
.article-hero-image-container {
    position: relative;
    margin-bottom: 1.5rem;
}

.article-hero-image {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.image-credit {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    padding: 0.25rem 0.625rem;
    background: rgba(0, 0, 0, 0.6);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.6875rem;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

.article-detail .article-title {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.title-prefix {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    color: white;
    background: var(--gradient-primary);
    padding: 0.375rem 0.875rem;
    border-radius: 100px;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.article-detail .article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Time Context Notice - ヘッダーでは非表示 */
.time-context-notice {
    display: none;
}

.time-context-icon {
    font-size: 0.875rem;
    line-height: 1;
    opacity: 0.6;
}

.time-context-text {
    line-height: 1.4;
}

.time-context-text strong {
    color: var(--color-text-light);
    font-weight: 500;
}

/* Sections */
.article-detail section {
    background: var(--color-bg-white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
}

.article-detail section h2 {
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Summary Box */
.summary-box {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    padding: 1.25rem;
    border-radius: var(--radius);
    border-left: 4px solid var(--color-secondary);
    font-size: 1rem;
    line-height: 1.8;
}

/* Data Grid */
.data-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.data-card {
    text-align: center;
    padding: 1.25rem;
    background: var(--color-bg);
    border-radius: var(--radius);
}

.data-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 0.375rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.data-value.highlight { color: var(--color-success); }

/* Related Keywords */
.related-keywords h3 {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
}

.keyword-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

/* 関連キーワードセクション（クリック可能なチップ） */
.related-keywords-section {
    background: var(--color-bg-white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
}

.related-keywords-section h2 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-light);
}

.keyword-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.keyword-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--color-text);
    text-decoration: none;
    transition: all 0.2s;
}

.keyword-chip:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.keyword-chip.has-article {
    background: linear-gradient(135deg, #dbeafe, #e0f2fe);
    border-color: var(--color-primary-light);
}

.keyword-chip.has-article:hover {
    background: var(--color-primary);
}

.chip-badge {
    font-size: 0.65rem;
    padding: 0.125rem 0.375rem;
    background: var(--color-primary);
    color: white;
    border-radius: 10px;
    font-weight: 600;
}

.keyword-chip:hover .chip-badge {
    background: white;
    color: var(--color-primary);
}

/* フッタータグ（コンパクト版） */
.footer-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0;
    border-top: 1px solid var(--color-border);
    margin-top: 1rem;
}

.footer-tags-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.footer-tag {
    padding: 0.25rem 0.625rem;
    background: var(--color-bg);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--color-text-light);
    text-decoration: none;
    transition: all 0.2s;
}

.footer-tag:hover {
    background: var(--color-primary);
    color: white;
}

.footer-tag.has-article {
    border: 1px solid var(--color-primary-light);
}

.keyword-list li {
    background: var(--color-bg);
    padding: 0.375rem 0.875rem;
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--color-text);
    transition: all 0.2s;
}

.keyword-list li:hover {
    background: var(--color-primary);
    color: white;
}

/* 5W1H Table */
.five-w-section {
    max-width: 100%;
    overflow-x: auto;
}

.five-w-table {
    width: 100%;
    min-width: 700px;
    border-collapse: separate;
    border-spacing: 0;
    table-layout: fixed;
}

.five-w-table th,
.five-w-table td {
    padding: 0.875rem 1rem;
    text-align: left;
    white-space: nowrap;
}

.five-w-table td {
    white-space: normal;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.five-w-table tr:not(:last-child) th,
.five-w-table tr:not(:last-child) td {
    border-bottom: 1px solid var(--color-border);
}

.five-w-table th {
    width: 140px;
    min-width: 140px;
    background: var(--color-bg);
    font-weight: 600;
    color: var(--color-primary);
    border-radius: 8px 0 0 8px;
    white-space: nowrap;
}

.five-w-table td {
    background: var(--color-bg);
    border-radius: 0 8px 8px 0;
}

/* Timeline */
.timeline {
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
    border-radius: 1px;
}

.timeline-item {
    position: relative;
    padding-left: 2rem;
    padding-bottom: 1.25rem;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 16px;
    height: 16px;
    background: white;
    border: 3px solid var(--color-primary);
    border-radius: 50%;
}

.timeline-date {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    background: var(--color-bg);
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.375rem;
}

.timeline-event {
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Detail Content */
.detail-content {
    line-height: 2;
    font-size: 1rem;
}

.detail-content p { margin-bottom: 1.25rem; }

/* SNS Reactions Section */
.sns-reactions-section {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.sns-reactions-section h2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.sns-reactions-section h2::before {
    content: "";
    width: 4px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.sns-summary {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    padding: 1rem;
    border-radius: var(--radius);
    border-left: 4px solid var(--color-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.sns-voices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.sns-voice-group {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 1rem;
}

.sns-voice-group h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid;
}

.sns-voice-group.positive h3 {
    color: #16a34a;
    border-color: #22c55e;
}

.sns-voice-group.negative h3 {
    color: #dc2626;
    border-color: #ef4444;
}

.sns-voice-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sns-voice-list li {
    padding: 0.5rem 0;
    padding-left: 1.25rem;
    position: relative;
    font-size: 0.9rem;
    line-height: 1.5;
    border-bottom: 1px dashed var(--color-border);
}

.sns-voice-list li:last-child {
    border-bottom: none;
}

.sns-voice-group.positive .sns-voice-list li::before {
    content: "+";
    position: absolute;
    left: 0;
    color: #22c55e;
    font-weight: 700;
}

.sns-voice-group.negative .sns-voice-list li::before {
    content: "-";
    position: absolute;
    left: 0;
    color: #ef4444;
    font-weight: 700;
}

.sns-notable {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-radius: var(--radius);
    padding: 1rem;
    border-left: 4px solid #f59e0b;
}

.sns-notable h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: #92400e;
    margin-bottom: 0.75rem;
}

.sns-notable-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sns-notable-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.9rem;
    line-height: 1.5;
}

.sns-notable-list li::before {
    content: "★";
    position: absolute;
    left: 0;
    color: #f59e0b;
}

/* Source List */
.source-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.source-item {
    padding: 1rem;
    background: var(--color-bg);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.source-item:last-child { margin-bottom: 0; }

.source-item a {
    flex: 1;
    min-width: 0;
    font-weight: 500;
}

.source-tags {
    display: flex;
    gap: 0.375rem;
}

.tag {
    font-size: 0.625rem;
    padding: 0.25rem 0.5rem;
    background: var(--color-bg-white);
    border-radius: 4px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Article Tags Section */
.tags-section {
    background: transparent;
    padding: 1rem 0;
    box-shadow: none;
}

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

.article-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    color: var(--color-primary);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
}

.article-tag:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-1px);
}

/* リンク付きタグ */
a.article-tag {
    text-decoration: none;
    cursor: pointer;
}

a.article-tag.has-article {
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    color: var(--color-success);
    border: 1px solid #a7f3d0;
}

a.article-tag.has-article::after {
    content: " →";
    font-size: 0.75em;
    opacity: 0.7;
}

a.article-tag.has-article:hover {
    background: var(--color-success);
    color: white;
    border-color: var(--color-success);
}

a.article-tag.external-link {
    border: 1px dashed var(--color-text-muted);
    opacity: 0.9;
}

a.article-tag.external-link::after {
    content: " ↗";
    font-size: 0.7em;
    opacity: 0.6;
}

a.article-tag.external-link:hover {
    background: var(--color-secondary);
    color: white;
    border-style: solid;
    border-color: var(--color-secondary);
    opacity: 1;
}

/* サイト内検索リンクタグ */
a.article-tag.search-link {
    border: 1px solid var(--color-primary-light);
}

a.article-tag.search-link::after {
    content: " 🔍";
    font-size: 0.7em;
    opacity: 0.7;
}

a.article-tag.search-link:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Related Articles Section */
.related-section {
    background: linear-gradient(135deg, #faf5ff, #f3e8ff);
    border: 1px solid #e9d5ff;
}

.related-group {
    margin-bottom: 1.5rem;
}

.related-group:last-child {
    margin-bottom: 0;
}

.related-group-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
    border-left: 3px solid var(--color-primary);
}

.related-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.related-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
    background: var(--color-bg-white);
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.related-item:hover {
    border-color: var(--color-primary-light);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.related-keyword {
    font-weight: 600;
    color: var(--color-text);
}

.related-item:hover .related-keyword {
    color: var(--color-primary);
}

.related-meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.related-location {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--color-secondary);
    color: white;
    border-radius: 100px;
}

.related-tags {
    display: flex;
    gap: 0.375rem;
}

.shared-tag {
    font-size: 0.6875rem;
    padding: 0.25rem 0.625rem;
    background: linear-gradient(135deg, #e0f2fe, #bae6fd);
    color: #0369a1;
    border-radius: 100px;
    font-weight: 500;
}

/* Article Footer */
.article-footer {
    text-align: center;
    padding: 2.5rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.article-footer .note { margin-bottom: 0.5rem; }
.reference-time { margin-bottom: 1.5rem; }

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: 100px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.back-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: white;
}

/* ==========================================================================
   Ad Containers
   ========================================================================== */

.ad-container {
    margin: 1rem 0;
    background: var(--color-bg);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

/* 空のad-containerを非表示 */
.ad-container:empty {
    display: none;
}

/* ==========================================================================
   Static Pages
   ========================================================================== */

.static-page {
    max-width: 800px;
    margin: 2rem auto;
    background: var(--color-bg-white);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.static-page h1 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-primary);
}

.static-page h2 {
    font-size: 1.25rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.static-page h3 {
    font-size: 1rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.static-page .update-date {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.static-page .back-link {
    display: inline-block;
    margin-top: 2rem;
}

/* ==========================================================================
   Trend History Timeline
   ========================================================================== */

.history-section {
    margin-top: 3rem;
}

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

.history-section h2 {
    font-size: 1.5rem;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.history-section h2::before {
    content: "";
    width: 4px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.archive-link {
    padding: 0.5rem 1rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.archive-link:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* カード型トレンド履歴 */
.history-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.history-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.history-card-header {
    background: var(--gradient-primary);
    padding: 0.75rem 1rem;
    text-align: center;
}

.history-card-time {
    color: white;
    font-weight: 700;
    font-size: 1rem;
}

.history-card-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.history-card-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
}

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

.history-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.history-card-item:nth-child(1) .history-rank {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #78350f;
}

.history-card-item:nth-child(2) .history-rank {
    background: linear-gradient(135deg, #94a3b8, #64748b);
    color: white;
}

.history-card-item:nth-child(3) .history-rank {
    background: linear-gradient(135deg, #d97706, #b45309);
    color: white;
}

.history-link {
    flex: 1;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.875rem;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 0.2s;
}

.history-link:hover {
    color: var(--color-primary);
}

.history-link.has-article {
    color: var(--color-primary);
    font-weight: 600;
}

.history-link.has-article::after {
    content: " →";
    font-size: 0.75em;
}

.history-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 1rem;
    text-align: center;
}

.history-note a {
    color: var(--color-primary);
}

/* ==========================================================================
   Category / Region / Prefecture Pages
   ========================================================================== */

.category-page,
.region-page,
.prefecture-page {
    padding-top: 1rem;
}

.page-header {
    text-align: center;
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.page-subtitle {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.article-count {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Category Navigation */
.category-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.category-link {
    padding: 0.5rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--color-text-light);
    transition: all 0.2s;
    text-decoration: none;
}

.category-link:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    color: white;
}

.category-link.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* Region Navigation */
.region-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.region-link {
    padding: 0.5rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--color-text-light);
    transition: all 0.2s;
    text-decoration: none;
}

.region-link:hover {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: white;
}

.region-link.active {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: white;
}

/* Prefecture Grid */
.prefecture-list-section {
    margin-bottom: 2rem;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.prefecture-list-section h2 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.prefecture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.5rem;
}

.prefecture-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.prefecture-link:hover {
    background: var(--color-secondary);
    color: white;
    transform: translateY(-2px);
}

.prefecture-link.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.pref-name {
    font-weight: 500;
    color: var(--color-text);
}

.prefecture-link:hover .pref-name {
    color: white;
}

.pref-count {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    background: var(--color-bg-white);
    padding: 0.125rem 0.5rem;
    border-radius: 100px;
}

/* Article Ranking List */
.article-ranking-list {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.article-list-section {
    margin-bottom: 2rem;
}

.article-list-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-list-section h2::before {
    content: "";
    width: 4px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.article-ranking-list .ranking-item {
    display: flex;
    align-items: flex-start;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    transition: background 0.2s;
}

.article-ranking-list .ranking-item:last-child {
    border-bottom: none;
}

.article-ranking-list .ranking-item:hover {
    background: var(--color-bg);
}

.ranking-number {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    border-radius: 10px;
    margin-right: 1rem;
    flex-shrink: 0;
    background: var(--color-bg);
    color: var(--color-text-light);
}

.ranking-item:nth-child(1) .ranking-number {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
}

.ranking-item:nth-child(2) .ranking-number {
    background: linear-gradient(135deg, #9ca3af, #6b7280);
    color: white;
}

.ranking-item:nth-child(3) .ranking-number {
    background: linear-gradient(135deg, #cd7f32, #b87333);
    color: white;
}

.ranking-content {
    flex: 1;
    min-width: 0;
}

.ranking-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.ranking-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
    color: var(--color-text);
    transition: color 0.2s;
}

.ranking-link:hover .ranking-title {
    color: var(--color-primary);
}

.ranking-summary {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.ranking-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.ranking-views {
    font-weight: 600;
    color: var(--color-success);
}

.ranking-location {
    background: var(--color-bg);
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
}

.ranking-category {
    background: var(--color-bg);
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
}

/* Page Footer */
.page-footer {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.page-footer .update-time {
    margin-bottom: 1rem;
}

/* ==========================================================================
   Main Content Grid (TOP3 + Sidebar Layout)
   ========================================================================== */

.main-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.featured-section {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.featured-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text);
}

.featured-section h2::before {
    content: "";
    width: 4px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.featured-section .article-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.featured-section .article-card {
    display: grid;
    grid-template-columns: 280px 1fr;
    overflow: hidden;
}

.featured-section .article-card .article-card-link {
    display: contents;
}

.featured-section .article-image,
.featured-section .article-image-placeholder {
    width: 280px;
    height: 180px;
    object-fit: cover;
}

.featured-section .article-card-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 1.25rem 1.5rem;
}

.featured-section .article-title {
    font-size: 1.25rem;
}

.featured-section .article-summary {
    font-size: 0.95rem;
    line-height: 1.6;
}

.sidebar-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-section .ranking-section {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.sidebar-section .ranking-section h2 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.sidebar-section .ranking-list {
    gap: 0.5rem;
}

.sidebar-section .ranking-item {
    padding: 0.625rem 0.75rem;
}

.sidebar-section .rank-keyword {
    font-size: 0.875rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .main-content-grid {
        grid-template-columns: 1fr;
    }

    .featured-section .article-card {
        grid-template-columns: 1fr;
    }

    .featured-section .article-image,
    .featured-section .article-image-placeholder {
        width: 100%;
        height: 200px;
    }

    .article-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-list { grid-template-columns: repeat(2, 1fr); }
    .data-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .hero { padding: 2rem 0 3rem; }
    .hero h1 { font-size: 1.75rem; }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .section-title-row {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .source-info {
        width: 100%;
        justify-content: space-between;
    }

    .source-select {
        flex: 1;
        max-width: 200px;
    }

    .category-tabs {
        overflow-x: auto;
        width: 100%;
        padding-bottom: 0.5rem;
    }

    .article-grid { grid-template-columns: 1fr; }
    .feature-list { grid-template-columns: 1fr; }
    .data-grid { grid-template-columns: 1fr; }

    .article-detail .article-title { font-size: 1.5rem; }

    /* 記事ヘッダーグリッド: モバイルでは縦積み */
    .article-header-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .article-hero-image {
        max-height: 250px;
    }

    .article-header-content {
        padding: 1rem;
    }

    .summary-inline {
        font-size: 0.9rem;
        padding: 0.75rem;
    }

    /* 関連キーワードチップ */
    .keyword-chips {
        gap: 0.5rem;
    }

    .keyword-chip {
        font-size: 0.8rem;
        padding: 0.375rem 0.75rem;
    }

    .five-w-table th { width: 100px; }

    .static-page { padding: 1.5rem; margin: 1rem; }

    .map-container { height: 300px; }
    .article-map-container { height: 200px; }

    /* Category/Region page responsive */
    .page-title { font-size: 1.5rem; }

    .category-nav,
    .region-nav {
        overflow-x: auto;
        justify-content: flex-start;
        padding: 0.75rem;
    }

    .category-link,
    .region-link {
        white-space: nowrap;
        font-size: 0.8rem;
        padding: 0.375rem 0.75rem;
    }

    .prefecture-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ranking-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .ranking-number {
        width: 2rem;
        height: 2rem;
        font-size: 0.875rem;
    }

    .ranking-title {
        font-size: 1rem;
    }

    .ranking-meta {
        flex-wrap: wrap;
    }

    /* Quick nav responsive */
    .quick-nav-row {
        flex-direction: column;
        gap: 1rem;
    }

    .quick-nav-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .quick-nav-links {
        gap: 0.25rem;
    }

    .quick-nav-link {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }

    /* Nav dropdown responsive */
    .nav-dropdown-menu {
        left: 0;
        transform: none;
    }
}

/* ==========================================================================
   Error Page (404/403)
   ========================================================================== */

.error-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.error-container {
    text-align: center;
    max-width: 480px;
}

.error-code {
    font-size: 8rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 1rem;
}

.error-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.error-message {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.error-suggestions {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: left;
    margin-bottom: 2rem;
}

.error-suggestions p {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.error-suggestions ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.error-suggestions li {
    padding: 0.5rem 0;
    color: var(--color-text-light);
    padding-left: 1.5rem;
    position: relative;
}

.error-suggestions li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

@media (max-width: 640px) {
    .error-code {
        font-size: 5rem;
    }

    .error-title {
        font-size: 1.5rem;
    }

    .error-message {
        font-size: 1rem;
    }
}

/* ==========================================================================
   Search Page
   ========================================================================== */

.search-page {
    padding: 2rem 0;
}

.search-header {
    margin-bottom: 2rem;
}

.search-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.search-query {
    color: var(--color-primary);
}

.search-description {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.search-results {
    margin-bottom: 2rem;
}

.results-count {
    color: var(--color-text-light);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

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

.article-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-bg-white);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
}

.article-list-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.article-list-content {
    flex: 1;
}

.article-list-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 0.5rem;
}

.article-list-summary {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin: 0 0 0.5rem;
    line-height: 1.5;
}

.article-list-meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.matched-tags {
    color: var(--color-primary);
}

.article-list-arrow {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-left: 1rem;
}

.search-fallback {
    text-align: center;
    padding: 3rem 1rem;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
}

.search-fallback p {
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

.back-navigation {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.back-navigation .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.back-navigation .btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow);
}

.back-navigation .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.back-to-top {
    text-align: center;
    margin-top: 2rem;
}

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

.btn-secondary:hover {
    background: var(--color-bg-white);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.loading-indicator {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-light);
}

.no-results,
.error {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-light);
}

/* ==========================================================================
   Ranking Page
   ========================================================================== */

.ranking-page {
    padding: 2rem 0;
}

.ranking-header {
    margin-bottom: 2rem;
}

.ranking-description {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.period-nav {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.period-link {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    background: var(--color-bg);
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.period-link:hover {
    background: var(--color-bg-white);
}

.period-link.active {
    background: var(--color-primary);
    color: white;
}

.ranking-content {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.ranking-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ranking-list-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

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

.ranking-position {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--color-bg);
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.ranking-position.top-1 {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.ranking-position.top-2 {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
}

.ranking-position.top-3 {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
}

.ranking-item-content {
    flex: 1;
}

.ranking-keyword-link {
    text-decoration: none;
    color: inherit;
}

.ranking-keyword-link:hover .ranking-keyword {
    color: var(--color-primary);
}

.ranking-keyword {
    font-size: 1.1rem;
    font-weight: 600;
    display: block;
    margin-bottom: 0.25rem;
    transition: color 0.2s;
}

.ranking-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.ranking-count {
    color: var(--color-text-muted);
}

.ranking-footer {
    margin-top: 1.5rem;
    text-align: center;
}

.ranking-note {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.ranking-updated {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.no-data {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-text-light);
}

/* ==========================================================================
   Archive Pages
   ========================================================================== */

.archive-page,
.archive-index-page {
    padding-top: 1rem;
}

/* Date Navigation */
.date-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--color-bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.date-nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--color-primary);
    font-weight: 500;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.date-nav-link:hover {
    background: var(--color-primary);
    color: white;
}

.date-nav-link.calendar {
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
}

.date-nav-link.disabled {
    visibility: hidden;
}

/* Archive Timeline */
.archive-timeline {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.archive-hour {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.archive-hour:last-child {
    border-bottom: none;
}

.archive-time {
    display: flex;
    align-items: flex-start;
    padding-top: 0.5rem;
}

.time-label {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
}

.archive-trends {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.archive-trend-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

.trend-rank {
    min-width: 2rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-muted);
}

.archive-trend-item.rank-1 .trend-rank {
    color: var(--rank-1);
}

.archive-trend-item.rank-2 .trend-rank {
    color: var(--rank-2);
}

.archive-trend-item.rank-3 .trend-rank {
    color: var(--rank-3);
}

.trend-keyword {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: var(--color-bg);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--color-text);
    transition: all 0.2s;
}

.trend-keyword:hover {
    background: var(--color-primary);
    color: white;
}

.trend-keyword.has-article {
    border: 1px solid var(--color-primary-light);
}

.article-indicator,
.external-indicator {
    font-size: 0.7rem;
    padding: 0.125rem 0.375rem;
    border-radius: 10px;
    font-weight: 600;
}

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

.external-indicator {
    background: var(--color-text-muted);
    color: white;
}

.trend-keyword:hover .article-indicator,
.trend-keyword:hover .external-indicator {
    background: white;
    color: var(--color-primary);
}

.trend-category {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    padding: 0.125rem 0.5rem;
    background: var(--color-bg);
    border-radius: 10px;
}

/* Daily Stats */
.daily-stats {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.daily-stats h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    text-align: center;
}

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

.stat-item {
    text-align: center;
    padding: 1rem;
    background: var(--color-bg);
    border-radius: var(--radius);
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Archive Footer */
.archive-footer {
    margin-top: 2rem;
    text-align: center;
}

.back-to-top {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius);
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.back-to-top:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
}

/* Archive Index - Calendar */
.archive-month {
    margin-bottom: 2rem;
}

.month-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    padding-left: 0.5rem;
    border-left: 4px solid var(--color-primary);
}

.calendar-grid {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--gradient-hero);
    color: white;
    padding: 0.75rem 0;
}

.day-name {
    text-align: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.day-name.sun {
    color: #f87171;
}

.day-name.sat {
    color: #60a5fa;
}

.calendar-days {
    padding: 0.5rem;
}

.calendar-week {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.2s;
}

.calendar-day.empty {
    background: transparent;
}

.calendar-day.no-data {
    color: var(--color-text-muted);
    background: var(--color-bg);
}

.calendar-day.has-data {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: white;
    cursor: pointer;
}

.calendar-day.has-data:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.calendar-day.today {
    box-shadow: inset 0 0 0 2px var(--color-accent);
}

.day-number {
    font-weight: 600;
    font-size: 1rem;
}

.day-count {
    font-size: 0.65rem;
    opacity: 0.9;
}

/* Recent Archives */
.recent-archives {
    margin-top: 2rem;
}

.recent-archives h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.recent-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.recent-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--color-bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: var(--color-text);
    transition: all 0.2s;
}

.recent-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow);
    color: var(--color-text);
}

.recent-date {
    min-width: 120px;
}

.date-text {
    display: block;
    font-weight: 600;
    color: var(--color-text);
}

.date-weekday {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.recent-preview {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.preview-keyword {
    padding: 0.25rem 0.625rem;
    background: var(--color-bg);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.recent-arrow {
    font-size: 1.25rem;
    color: var(--color-primary);
}

/* No Data Message */
.no-data-message {
    text-align: center;
    padding: 3rem;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
}

.no-data-message p {
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .archive-hour {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .archive-time {
        padding-bottom: 0.5rem;
        border-bottom: 1px solid var(--color-border);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .date-navigation {
        flex-wrap: wrap;
        justify-content: center;
    }

    .date-nav-link.prev,
    .date-nav-link.next {
        order: 2;
    }

    .date-nav-link.calendar {
        order: 1;
        width: 100%;
        justify-content: center;
        margin-bottom: 0.5rem;
    }

    .calendar-day {
        padding: 0.25rem;
    }

    .day-number {
        font-size: 0.875rem;
    }

    .day-count {
        display: none;
    }
}