:root {
            --bg-color: #fcfbf9;
            --text-primary: #1c1917;
            --text-secondary: #44403c;
            --text-muted: #8c8a82;
            --border-color: #eae6df;
            --accent-color: #b45309;
            --accent-hover: #92400e;
            --card-bg: #ffffff;
            --font-serif: 'Noto Serif JP', Georgia, serif;
            --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.05);
            --transition-speed: 0.25s;
        }

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

        body {
            background-color: var(--bg-color);
            color: var(--text-primary);
            font-family: var(--font-serif);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        /* Typography settings */
        h1, h2, h3, h4 {
            font-family: var(--font-serif);
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        /* Container */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Header */
        header {
            background-color: #ffffff;
            border-b: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
        }

        .header-wrap {
            height: 70px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .header-logo {
            display: flex;
            align-items: center;
            text-decoration: none;
            color: var(--text-primary);
            flex-shrink: 0;
            white-space: nowrap;
        }

        .header-logo h1 {
            font-size: 1.35rem;
            font-weight: 700;
        }

        /* Live Indicator */
        .live-indicator {
            width: 8px;
            height: 8px;
            background-color: var(--accent-color);
            border-radius: 50%;
            display: inline-block;
            margin-right: 10px;
            position: relative;
        }

        .live-indicator::after {
            content: '';
            width: 100%;
            height: 100%;
            background-color: var(--accent-color);
            border-radius: 50%;
            position: absolute;
            top: 0;
            left: 0;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% {
                transform: scale(1);
                opacity: 0.8;
            }
            100% {
                transform: scale(2.8);
                opacity: 0;
            }
        }

        .header-nav {
            display: flex;
            gap: 1.5rem;
        }

        .header-nav a {
            text-decoration: none;
            color: var(--text-secondary);
            font-family: var(--font-sans);
            font-weight: 500;
            font-size: 0.9rem;
            transition: color var(--transition-speed);
        }

        .header-nav a:hover {
            color: var(--accent-color);
        }

        /* Hero Area */
        .hero-section {
            padding: 3rem 0 2rem 0;
        }

        .featured-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-left: 4px solid var(--accent-color);
            padding: 2.5rem;
            border-radius: 4px;
            box-shadow: var(--shadow-sm);
        }

        .featured-tag {
            font-family: var(--font-sans);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-color);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            display: inline-block;
            margin-bottom: 0.75rem;
        }

        .featured-title {
            font-size: 1.85rem;
            line-height: 1.4;
            margin-bottom: 1.25rem;
        }

        .featured-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.8;
            text-align: justify;
        }

        /* Layout Grid */
        .layout-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            padding-bottom: 5rem;
        }

        @media (min-width: 1024px) {
            .layout-grid {
                grid-template-columns: 3fr 1fr;
            }
        }

        /* Content Area */
        .feed-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 2px solid var(--text-primary);
            padding-bottom: 0.5rem;
            margin-bottom: 2rem;
        }

        .feed-header h2 {
            font-size: 1.25rem;
            font-family: var(--font-sans);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .feed-count {
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* Article Cards Feed - 2 Column Grid */
        .articles-feed {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 640px) {
            .articles-feed {
                grid-template-columns: 1fr 1fr;
            }
        }

        .article-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 1.75rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 320px;
            box-shadow: var(--shadow-sm);
            transition: border-color var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
        }

        .article-card:hover {
            border-color: var(--accent-color);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

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

        .category-tag {
            font-family: var(--font-sans);
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-color);
            letter-spacing: 0.05em;
        }

        .meta-date {
            font-family: var(--font-sans);
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .card-title {
            font-size: 1.25rem;
            line-height: 1.4;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            height: 3.5rem;
            font-weight: 700;
            transition: color var(--transition-speed);
        }

        .article-card:hover .card-title {
            color: var(--accent-color);
        }

        .card-snippet {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 1.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            height: 4.3rem;
            text-align: justify;
        }

        .card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-color);
            padding-top: 1rem;
            margin-top: auto;
        }

        .meta-views {
            font-family: var(--font-sans);
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .read-more-btn {
            background: none;
            border: none;
            color: var(--text-primary);
            font-family: var(--font-sans);
            font-size: 0.85rem;
            font-weight: 700;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            transition: color var(--transition-speed);
        }

        .read-more-btn:hover {
            color: var(--accent-color);
        }

        /* Sidebar Widgets */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2.5rem;
        }

        .sidebar-widget {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 2rem;
            border-radius: 4px;
            box-shadow: var(--shadow-sm);
        }

        .widget-title {
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            border-bottom: 1px solid var(--text-primary);
            padding-bottom: 0.5rem;
            margin-bottom: 1.25rem;
        }

        .about-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            text-align: justify;
        }

        .category-list {
            list-style: none;
        }

        .category-list li {
            border-bottom: 1px solid var(--border-color);
            padding: 0.5rem 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

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

        .category-link {
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color var(--transition-speed), transform var(--transition-speed);
            display: flex;
            align-items: center;
        }

        .category-link::before {
            content: '・';
            color: var(--accent-color);
            margin-right: 4px;
            font-weight: bold;
        }

        .category-link:hover {
            color: var(--accent-color);
            transform: translateX(3px);
        }

        /* Footer */
        footer {
            background-color: #ffffff;
            border-top: 1px solid var(--border-color);
            padding: 4rem 0 3rem 0;
            margin-top: 5rem;
        }

        .footer-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem 2.5rem;
        }

        .footer-links a {
            text-decoration: none;
            color: var(--text-secondary);
            font-family: var(--font-sans);
            font-size: 0.85rem;
            font-weight: 500;
            transition: color var(--transition-speed);
        }

        .footer-links a:hover {
            color: var(--accent-color);
        }

        .copyright-warning {
            font-size: 0.75rem;
            color: var(--text-muted);
            max-width: 600px;
            text-align: center;
            line-height: 1.6;
        }

        .copyright-text {
            font-family: var(--font-sans);
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 0.5rem;
        }

        /* Modal overlay styling */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(28, 25, 23, 0.6);
            backdrop-filter: blur(4px);
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: opacity var(--transition-speed), visibility var(--transition-speed);
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-container {
            background-color: var(--bg-color);
            border: 1px solid var(--border-color);
            width: 90%;
            max-width: 800px;
            max-height: 90vh;
            border-radius: 6px;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transform: translateY(20px);
            transition: transform var(--transition-speed);
        }

        .modal-overlay.active .modal-container {
            transform: translateY(0);
        }

        .modal-header {
            background-color: #ffffff;
            border-bottom: 1px solid var(--border-color);
            padding: 1.25rem 2rem;
            display: flex;
            justify-content: flex-end;
            align-items: center;
        }

        .close-btn {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-secondary);
            font-family: var(--font-sans);
            line-height: 1;
            transition: color var(--transition-speed);
        }

        .close-btn:hover {
            color: var(--accent-color);
        }

        .modal-content {
            padding: 2.5rem 3rem;
            overflow-y: auto;
            flex-grow: 1;
        }

        @media (max-width: 640px) {
            .modal-content {
                padding: 1.5rem 1.5rem;
            }
        }

        /* Modal Article Content Stylings */
        .modal-article-meta {
            display: flex;
            gap: 1.25rem;
            margin-bottom: 1rem;
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .modal-category {
            color: var(--accent-color);
            font-weight: 700;
        }

        .modal-article-title {
            font-size: 2rem;
            line-height: 1.35;
            margin-bottom: 2rem;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 1.5rem;
        }

        @media (max-width: 640px) {
            .modal-article-title {
                font-size: 1.5rem;
            }
        }

        .modal-article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-secondary);
        }

        .article-p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }

        .article-section-title {
            font-size: 1.4rem;
            margin: 2.5rem 0 1.25rem 0;
            padding-left: 0.75rem;
            border-left: 3px solid var(--accent-color);
            line-height: 1.3;
        }

        .article-subsection-title {
            font-size: 1.15rem;
            margin: 1.75rem 0 1rem 0;
            line-height: 1.3;
        }

        .article-list {
            margin-bottom: 1.5rem;
            padding-left: 1.75rem;
        }

        .article-list li {
            margin-bottom: 0.5rem;
        }

        /* Prevent scroll when modal is active */
        body.modal-open {
            overflow: hidden;
        }
.header-logo span:last-child { font-size: 1.35rem; font-weight: 700; }
.article-detail { max-width: 860px; margin: 3rem auto 5rem; background: #fff; border: 1px solid var(--border-color); border-radius: 4px; padding: 2.5rem; box-shadow: var(--shadow-sm); }
.single-column { max-width: 980px; margin: 3rem auto 5rem; }
.card-title a, .read-more-btn, .category-tag, .modal-category { text-decoration: none; }
.modal-article-body p:not(.article-p) { margin-bottom: 1.5rem; text-align: justify; }

.article-figure { margin: 2rem 0; }
.article-figure img { display: block; width: 100%; height: auto; border-radius: 6px; border: 1px solid var(--border-color); }
.article-figure figcaption { color: var(--text-muted); font-family: var(--font-sans); font-size: 0.82rem; margin-top: 0.5rem; }
.article-note { color: var(--text-muted); font-family: var(--font-sans); font-size: 0.86rem; }

.skip-link {
    position: fixed;
    left: 1rem;
    top: 1rem;
    z-index: 200;
    padding: 0.75rem 1rem;
    background: var(--text-primary);
    color: var(--card-bg);
    font-family: var(--font-sans);
    text-decoration: none;
    transform: translateY(-200%);
}

.skip-link:focus {
    transform: translateY(0);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 3px;
}

.author-box,
.source-box,
.status-notice,
.trust-notice {
    display: grid;
    gap: 0.5rem;
    margin: 1.5rem 0 2rem;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-color);
    background: #f5f1ea;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    line-height: 1.7;
}

.source-box h2 {
    margin: 0;
}

.source-box ul {
    padding-left: 1.25rem;
}

.source-box a {
    color: var(--accent-color);
    text-underline-offset: 0.2em;
}

.policy-meta {
    margin-bottom: 2rem;
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.85rem;
}

.policy-section {
    margin-top: 2.5rem;
}

.policy-section h2 {
    margin-bottom: 0.75rem;
    font-size: 1.35rem;
}

.policy-section p,
.policy-section li {
    margin-bottom: 0.75rem;
}

.policy-section ul {
    padding-left: 1.5rem;
}

@media (max-width: 640px) {
    .header-wrap {
        height: auto;
        min-height: 70px;
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
        flex-wrap: wrap;
        gap: 0.5rem 1rem;
    }

    .header-logo span:last-child {
        font-size: 1rem;
    }

    .header-nav {
        width: 100%;
        justify-content: space-between;
        gap: 0.5rem;
        border-top: 1px solid var(--border-color);
        padding-top: 0.5rem;
    }

    .header-nav a {
        font-size: 0.78rem;
    }

    .article-detail {
        margin: 1.5rem auto 3rem;
        padding: 1.25rem;
    }

    .modal-article-meta {
        flex-wrap: wrap;
        gap: 0.5rem 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}