*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f5f1eb;
            color: #1e2a2f;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #b85c3a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #7a3a24;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #fffcf9;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 1.5rem 2rem 2rem;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #1e2a2f;
            margin: 0.5rem 0 1rem;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        h1 .accent {
            color: #b85c3a;
        }
        h2 {
            font-size: 2rem;
            font-weight: 600;
            color: #1e2a2f;
            margin: 2.5rem 0 1rem 0;
            padding-bottom: 0.4rem;
            border-bottom: 4px solid #e8d5c4;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 500;
            color: #2d3e45;
            margin: 2rem 0 0.8rem 0;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #3d535b;
            margin: 1.5rem 0 0.5rem 0;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2a383e;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #3d535b;
            border-left: 4px solid #b85c3a;
            padding-left: 1.2rem;
            margin: 1.5rem 0 2rem;
        }
        .highlight {
            background: #f7ede4;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 500;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 1.2rem;
            border-bottom: 2px solid #e8d5c4;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #1e2a2f;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            color: #b85c3a;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #b85c3a;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #6a7f88;
            letter-spacing: 0.02em;
            margin-left: 0.3rem;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .nav-list li a {
            display: block;
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #2d3e45;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover,
        .nav-list li a.active {
            background: #b85c3a;
            color: #fff;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e2a2f;
            cursor: pointer;
            padding: 0.3rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #e8d5c4;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem;
            font-size: 0.9rem;
            color: #6a7f88;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.6rem;
            color: #b85c3a;
        }
        .breadcrumb a {
            color: #6a7f88;
        }
        .breadcrumb a:hover {
            color: #b85c3a;
        }
        .breadcrumb .current {
            color: #1e2a2f;
            font-weight: 500;
        }
        .search-section {
            background: #f7ede4;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            margin: 1.8rem 0 2.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.2rem;
        }
        .search-section label {
            font-weight: 600;
            font-size: 1.1rem;
            color: #2d3e45;
        }
        .search-form {
            display: flex;
            flex: 1 1 300px;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            padding: 0.75rem 1.2rem;
            border: 2px solid #dcc9b8;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #b85c3a;
        }
        .search-form button {
            background: #b85c3a;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.75rem 1.6rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #7a3a24;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            border-left: 2px solid #e8d5c4;
            padding-left: 2rem;
        }
        .sidebar .side-card {
            background: #f9f4ef;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.8rem;
        }
        .sidebar .side-card h4 {
            margin-top: 0;
            border-bottom: 2px solid #e8d5c4;
            padding-bottom: 0.5rem;
            font-size: 1.1rem;
        }
        .sidebar .side-card ul {
            list-style: none;
            padding: 0.5rem 0 0;
        }
        .sidebar .side-card li {
            padding: 0.3rem 0;
        }
        .sidebar .side-card li a {
            display: block;
            padding: 0.3rem 0;
            border-bottom: 1px solid #eee;
        }
        .feature-img {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .feature-img figcaption {
            background: #f7ede4;
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #3d535b;
            font-style: italic;
        }
        .interaction-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 3rem 0 2rem;
            padding: 2rem;
            background: #f9f4ef;
            border-radius: 20px;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            font-size: 1.3rem;
            border-bottom: 2px solid #e8d5c4;
            padding-bottom: 0.5rem;
        }
        .comment-box form,
        .rating-box form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 1rem;
        }
        .comment-box textarea {
            min-height: 100px;
            padding: 0.8rem 1rem;
            border: 2px solid #dcc9b8;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            outline: none;
            transition: border 0.2s;
        }
        .comment-box textarea:focus {
            border-color: #b85c3a;
        }
        .comment-box input,
        .rating-box input {
            padding: 0.7rem 1rem;
            border: 2px solid #dcc9b8;
            border-radius: 12px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .comment-box input:focus,
        .rating-box input:focus {
            border-color: #b85c3a;
        }
        .btn-primary {
            background: #b85c3a;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .btn-primary:hover {
            background: #7a3a24;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 2rem;
            color: #dcc9b8;
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #e8a838;
        }
        .rating-box .score-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0 0.8rem;
            border-top: 2px solid #e8d5c4;
            margin-top: 1.5rem;
        }
        friend-link h4 {
            margin: 0 0 0.8rem;
            font-size: 1.1rem;
            color: #2d3e45;
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.8rem;
            list-style: none;
        }
        friend-link .friend-list li a {
            font-size: 0.95rem;
        }
        .site-footer {
            margin-top: 2.5rem;
            padding: 1.8rem 0 1.2rem;
            border-top: 2px solid #e8d5c4;
            text-align: center;
            font-size: 0.9rem;
            color: #6a7f88;
        }
        .site-footer .copyright {
            margin-top: 0.5rem;
            font-size: 0.85rem;
        }
        .last-updated {
            display: inline-block;
            background: #e8d5c4;
            padding: 0.3rem 1rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #1e2a2f;
            font-weight: 500;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                border-left: none;
                padding-left: 0;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .sidebar .side-card {
                margin-bottom: 0;
            }
            .interaction-panel {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 1rem 1.2rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fffcf9;
                border-radius: 16px;
                padding: 0.8rem 0;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                z-index: 100;
                border: 1px solid #e8d5c4;
                margin-top: 0.5rem;
            }
            .nav-list.show {
                display: flex;
            }
            .nav-list li a {
                padding: 0.7rem 1.5rem;
                border-radius: 0;
            }
            .nav-toggle {
                display: block;
            }
            .nav-wrapper {
                position: relative;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .search-section {
                flex-direction: column;
                align-items: stretch;
                padding: 1.2rem;
            }
            .search-form {
                flex: 1;
            }
            .interaction-panel {
                padding: 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.5rem;
            }
            .container {
                padding: 0.8rem 1rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            .lead {
                font-size: 1rem;
                padding-left: 0.8rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 0;
            background: #b85c3a;
            color: #fff;
            padding: 0.5rem 1rem;
            z-index: 1000;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .data-table th {
            background: #2d3e45;
            color: #fff;
            padding: 0.7rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #e8d5c4;
        }
        .data-table tr:nth-child(even) td {
            background: #f9f4ef;
        }
        .quote-block {
            background: #f7ede4;
            border-left: 5px solid #b85c3a;
            padding: 1.2rem 1.8rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2d3e45;
        }
        .quote-block .author {
            font-style: normal;
            font-weight: 600;
            margin-top: 0.5rem;
            display: block;
        }
        .tag {
            display: inline-block;
            background: #e8d5c4;
            padding: 0.2rem 0.8rem;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 500;
            color: #1e2a2f;
            margin: 0.2rem 0.2rem 0.2rem 0;
        }
        .emoji-bullet {
            list-style: none;
            padding-left: 0;
        }
        .emoji-bullet li {
            padding: 0.3rem 0;
            display: flex;
            gap: 0.6rem;
            align-items: flex-start;
        }
        .emoji-bullet li::before {
            content: "🔹";
            color: #b85c3a;
            font-size: 1rem;
        }