        *,
        *::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: #faf8f5;
            color: #2d2a24;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #3b6e5e;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #1f4036;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            color: #1f4036;
            word-break: break-word;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            border-bottom: 3px solid #d9c9b4;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 2rem;
            margin-bottom: 0.6rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.4rem;
            margin-bottom: 0.4rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 0.5rem;
        }
        header {
            background: #1f4036;
            color: #f5eee6;
            padding: 0.8rem 1rem;
            border-radius: 0 0 20px 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            position: relative;
            margin-bottom: 1.2rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #f5d6a8 !important;
            text-decoration: none !important;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            font-size: 1.6rem;
            color: #e8c38c;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #b8c9c0;
            margin-left: 0.4rem;
        }
        nav.main-nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        nav.main-nav a {
            color: #e8ddd0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        nav.main-nav a:hover,
        nav.main-nav a.active {
            color: #f5d6a8;
            border-bottom-color: #f5d6a8;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f5eee6;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            font-size: 0.85rem;
            background: #ede7df;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            margin-bottom: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.2rem;
            color: #4f4a42;
        }
        .breadcrumb a {
            color: #3b6e5e;
        }
        .breadcrumb span.sep {
            margin: 0 0.3rem;
            color: #8f8a82;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin-top: 1rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            background: #f0ebe4;
            border-radius: 20px;
            padding: 1.5rem 1.2rem;
            height: fit-content;
            position: sticky;
            top: 1rem;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #d9c9b4;
            padding-bottom: 0.4rem;
        }
        .sidebar ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #ddd6cc;
        }
        .sidebar ul li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar ul li a::before {
            content: '\f0c1';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.7rem;
            color: #6b8f80;
        }
        .feature-img-wrap {
            margin: 1.8rem 0 1.2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            background: #e8e0d6;
        }
        .feature-img-wrap img {
            width: 100%;
            aspect-ratio: 1200 / 630;
            object-fit: cover;
        }
        .feature-img-wrap figcaption {
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #4f4a42;
            background: #f5f0ea;
            font-style: italic;
        }
        .search-box {
            background: #f0ebe4;
            border-radius: 40px;
            padding: 0.1rem 0.1rem 0.1rem 1.2rem;
            display: flex;
            align-items: center;
            max-width: 480px;
            margin: 1.5rem 0;
            border: 1px solid #d9c9b4;
            transition: 0.2s;
        }
        .search-box:focus-within {
            border-color: #3b6e5e;
            box-shadow: 0 0 0 3px rgba(59, 110, 94, 0.15);
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.7rem 0.5rem;
            font-size: 1rem;
            outline: none;
            color: #2d2a24;
            font-family: inherit;
        }
        .search-box button {
            background: #3b6e5e;
            color: #fff;
            border: none;
            padding: 0.65rem 1.4rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-box button:hover {
            background: #1f4036;
        }
        .interaction-area {
            background: #f5f0ea;
            border-radius: 24px;
            padding: 2rem 1.8rem;
            margin: 3rem 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .interaction-area h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .interaction-area form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .interaction-area input,
        .interaction-area textarea,
        .interaction-area select {
            padding: 0.7rem 1rem;
            border: 1px solid #d9c9b4;
            border-radius: 12px;
            font-family: inherit;
            font-size: 0.95rem;
            background: #fff;
            transition: 0.2s;
            width: 100%;
        }
        .interaction-area input:focus,
        .interaction-area textarea:focus,
        .interaction-area select:focus {
            border-color: #3b6e5e;
            outline: none;
            box-shadow: 0 0 0 3px rgba(59, 110, 94, 0.12);
        }
        .interaction-area textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interaction-area .btn {
            background: #3b6e5e;
            color: #fff;
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
            align-self: flex-start;
        }
        .interaction-area .btn:hover {
            background: #1f4036;
        }
        .score-group {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
        }
        .score-group label {
            font-weight: 500;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #6f6a62;
            background: #ede7df;
            display: inline-block;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            margin-bottom: 1rem;
        }
        .sidebar .link-list {
            margin-top: 0.8rem;
        }
        footer {
            margin-top: 4rem;
            padding: 2rem 0 1rem;
            border-top: 2px solid #d9c9b4;
            text-align: center;
            font-size: 0.9rem;
            color: #4f4a42;
        }
        footer friend-link {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.8rem 1.5rem;
            margin: 1.2rem 0;
            font-weight: 500;
        }
        footer friend-link a {
            padding: 0.2rem 0.6rem;
            background: #ede7df;
            border-radius: 30px;
            transition: 0.2s;
        }
        footer friend-link a:hover {
            background: #d9c9b4;
            text-decoration: none;
        }
        footer .copyright {
            font-size: 0.8rem;
            color: #6f6a62;
            margin-top: 0.5rem;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 680px) {
            .hamburger {
                display: block;
            }
            nav.main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.5rem;
                gap: 0.6rem;
            }
            nav.main-nav.open {
                display: flex;
            }
            nav.main-nav a {
                font-size: 1.05rem;
                padding: 0.4rem 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                width: 100%;
            }
            header {
                padding: 0.6rem 0.8rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .search-box {
                max-width: 100%;
                flex-wrap: wrap;
                border-radius: 24px;
            }
            .search-box input {
                min-width: 140px;
            }
            .search-box button {
                width: 100%;
                justify-content: center;
                border-radius: 24px;
            }
            .interaction-area {
                padding: 1.4rem 1rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
        }
        @media (max-width: 400px) {
            h1 {
                font-size: 1.5rem;
            }
            .my-logo small {
                display: none;
            }
        }
        .highlight {
            background: #f5e6d0;
            padding: 0.1rem 0.3rem;
            border-radius: 6px;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 0.2rem;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 1.2rem;
            margin: 1.2rem 0;
        }
        .card-grid .card {
            background: #f5f0ea;
            border-radius: 16px;
            padding: 1.2rem 1rem;
            border-left: 4px solid #3b6e5e;
            transition: 0.2s;
        }
        .card-grid .card:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
        }
        .card-grid .card h4 {
            margin-top: 0;
        }
        .quote-block {
            background: #ede7df;
            border-left: 5px solid #3b6e5e;
            padding: 1.2rem 1.6rem;
            border-radius: 0 16px 16px 0;
            margin: 1.5rem 0;
            font-style: italic;
        }
        .quote-block cite {
            display: block;
            margin-top: 0.5rem;
            font-style: normal;
            font-weight: 600;
            color: #3b6e5e;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
            border-radius: 12px;
            background: #f5f0ea;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }
        .table-wrap th,
        .table-wrap td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #ddd6cc;
        }
        .table-wrap th {
            background: #e0d7cc;
            font-weight: 600;
            color: #1f4036;
        }
        .table-wrap tr:last-child td {
            border-bottom: none;
        }
        .schema-hidden {
            display: none;
        }
.hamburger { display: none; }
            nav.main-nav { display: flex !important; }
