*,
        *::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, sans-serif;
            background: #f8f9fc;
            color: #1e1e2a;
            line-height: 1.75;
            padding: 0 1rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        a {
            color: #c1272d;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #8b1a1e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0b0b14;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            border-left: 6px solid #c1272d;
            padding-left: 1.2rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #e0e3eb;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #2a2a3e;
        }
        h4 {
            font-size: 1.1rem;
            color: #3d3d56;
        }
        p {
            margin-bottom: 1.2rem;
            word-break: break-word;
        }
        strong {
            color: #0b0b14;
        }
        .container {
            width: 100%;
            padding: 0 0.25rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0 0.8rem;
            border-bottom: 2px solid #d6dae6;
            position: relative;
            background: #f8f9fc;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #c1272d;
            text-transform: uppercase;
            background: linear-gradient(135deg, #c1272d, #8b1a1e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
            text-decoration: none !important;
        }
        .my-logo:hover {
            opacity: 0.88;
            text-decoration: none !important;
        }
        .my-logo small {
            font-size: 0.6rem;
            display: block;
            -webkit-text-fill-color: #4a4a5e;
            color: #4a4a5e;
            letter-spacing: 0.04em;
            font-weight: 400;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 0.2rem 1.2rem;
            flex-wrap: wrap;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.3rem 0.2rem;
            color: #2a2a3e;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-list li a:hover {
            border-bottom-color: #c1272d;
            color: #c1272d;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e1e2a;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #e8eaf0;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.7rem 0 0.3rem;
            margin: 0 0 0.5rem;
            font-size: 0.88rem;
            color: #5a5a72;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.6rem;
            color: #9a9ab0;
        }
        .breadcrumb a {
            color: #5a5a72;
        }
        .breadcrumb a:hover {
            color: #c1272d;
        }
        .breadcrumb .active {
            color: #1e1e2a;
            font-weight: 600;
        }
        .search-form {
            display: flex;
            gap: 0.4rem;
            max-width: 480px;
            margin: 1.4rem 0 1.8rem;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1rem;
            border: 2px solid #d6dae6;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: #c1272d;
        }
        .search-form button {
            background: #c1272d;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #8b1a1e;
            transform: scale(0.97);
        }
        .content-area {
            background: #ffffff;
            border-radius: 20px;
            padding: 1.8rem 2rem 2.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            margin: 1rem 0 2rem;
        }
        .content-area p {
            color: #252533;
        }
        .featured-image {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            background: #eef0f5;
            text-align: center;
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
            border-radius: 16px;
        }
        .featured-image figcaption {
            font-size: 0.85rem;
            color: #5a5a72;
            padding: 0.6rem 0.2rem 0.2rem;
            font-style: italic;
        }
        .context-link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
            background: #f3f4f9;
            padding: 1rem 1.4rem;
            border-radius: 14px;
            margin: 1.6rem 0;
            list-style: none;
        }
        .context-link-list li a {
            font-weight: 500;
            background: #fff;
            padding: 0.2rem 0.9rem;
            border-radius: 30px;
            border: 1px solid #d6dae6;
            display: inline-block;
            font-size: 0.9rem;
            transition: 0.2s;
        }
        .context-link-list li a:hover {
            background: #c1272d;
            color: #fff;
            border-color: #c1272d;
            text-decoration: none;
        }
        .feedback-section {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin: 2.8rem 0 1.2rem;
            padding-top: 2rem;
            border-top: 2px solid #e0e3eb;
        }
        .comment-box,
        .rating-box {
            flex: 1 1 260px;
            background: #f8f9fc;
            padding: 1.5rem 1.8rem;
            border-radius: 18px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-box textarea,
        .rating-box select,
        .rating-box input[type="number"] {
            width: 100%;
            padding: 0.7rem 0.9rem;
            border: 2px solid #d6dae6;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border 0.2s;
            margin-top: 0.3rem;
        }
        .comment-box textarea:focus,
        .rating-box select:focus,
        .rating-box input:focus {
            border-color: #c1272d;
            outline: none;
        }
        .comment-box textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-btn {
            background: #c1272d;
            color: #fff;
            border: none;
            padding: 0.6rem 1.8rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            margin-top: 0.7rem;
            display: inline-block;
        }
        .feedback-btn:hover {
            background: #8b1a1e;
            transform: scale(0.97);
        }
        .rating-stars {
            display: flex;
            gap: 0.2rem;
            font-size: 1.8rem;
            color: #e0c040;
            margin: 0.5rem 0 0.8rem;
            cursor: default;
        }
        .site-footer {
            border-top: 2px solid #d6dae6;
            padding: 2rem 0 2.5rem;
            margin-top: 2.5rem;
            font-size: 0.92rem;
            color: #4a4a5e;
        }
        .site-footer friend-link {
            display: block;
            margin: 1rem 0 0.8rem;
            font-weight: 600;
        }
        .friend-link-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.6rem;
        }
        .friend-link-list li a {
            color: #4a4a5e;
            font-weight: 500;
        }
        .friend-link-list li a:hover {
            color: #c1272d;
        }
        .copyright {
            margin-top: 1.4rem;
            font-size: 0.85rem;
            color: #6a6a82;
            border-top: 1px solid #e0e3eb;
            padding-top: 1.2rem;
            text-align: center;
        }
        @media (max-width: 820px) {
            .site-header {
                flex-wrap: nowrap;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                gap: 0.3rem;
                background: #ffffff;
                padding: 1rem 1.4rem;
                border-radius: 16px;
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
                position: absolute;
                top: 100%;
                right: 0;
                left: auto;
                min-width: 220px;
                z-index: 99;
                border: 1px solid #e0e3eb;
            }
            .nav-list.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .content-area {
                padding: 1.2rem 1rem 1.8rem;
            }
            h1 {
                font-size: 1.7rem;
                padding-left: 0.8rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .feedback-section {
                flex-direction: column;
                gap: 1.2rem;
            }
            .search-form button {
                padding: 0.6rem 1.2rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.5rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo small {
                font-size: 0.5rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .context-link-list {
                padding: 0.8rem 1rem;
            }
            .content-area {
                padding: 0.8rem 0.8rem 1.4rem;
            }
            h1 {
                font-size: 1.4rem;
            }
        }
        .text-muted {
            color: #6a6a82;
        }
        .mt-1 {
            margin-top: 0.8rem;
        }
        .mb-1 {
            margin-bottom: 0.8rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.2rem;
            align-items: center;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #6a6a82;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .schema-hidden {
            display: none;
        }