        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            line-height: 1.7;
            color: #1e1e2a;
            background: #f8f7f4;
            padding: 0 1rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        a {
            color: #1a6b8a;
            text-decoration: none;
            transition: color 0.2s, border-color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #0d3b4f;
            border-bottom: 2px solid #c9a84c;
        }
        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 {
            line-height: 1.3;
            font-weight: 600;
            color: #14141f;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
            border-left: 6px solid #c9a84c;
            padding-left: 1.2rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #e0dcd3;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 500;
        }
        p {
            margin: 1rem 0;
            max-width: 75ch;
        }
        .container {
            width: 100%;
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 0.5rem;
        }
        header {
            padding: 1.2rem 0 0.6rem;
            border-bottom: 2px solid #e0dcd3;
            background: #f8f7f4;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem 1.5rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            background: linear-gradient(145deg, #1a3b4c, #2c6a8a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            border: none !important;
        }
        .my-logo i {
            -webkit-text-fill-color: #c9a84c;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            border: none !important;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #1a3b4c;
            border-radius: 8px;
            padding: 0.4rem 0.7rem;
            font-size: 1.4rem;
            color: #1a3b4c;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #e0dcd3;
        }
        #nav-toggle {
            display: none;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.2rem;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            font-weight: 500;
            padding: 0.3rem 0;
            font-size: 0.95rem;
            border-bottom: 2px solid transparent;
        }
        .nav-menu li a:hover {
            border-bottom-color: #c9a84c;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            font-size: 0.85rem;
            color: #5a5a6e;
            padding: 0.6rem 0 0.2rem;
            list-style: none;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #9a9aae;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #1a6b8a;
        }
        .search-form {
            display: flex;
            gap: 0.3rem;
            max-width: 320px;
            margin: 1.2rem 0 0.8rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.6rem 1rem;
            border: 2px solid #d5d1c7;
            border-radius: 40px;
            font-size: 0.95rem;
            background: white;
            transition: border 0.2s;
        }
        .search-form input:focus {
            outline: none;
            border-color: #c9a84c;
        }
        .search-form button {
            background: #1a3b4c;
            border: none;
            border-radius: 40px;
            padding: 0.6rem 1.2rem;
            color: white;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: #2c6a8a;
        }
        .hero-wrap {
            margin: 1.5rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            background: #eae7e0;
            position: relative;
        }
        .hero-wrap img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .hero-caption {
            padding: 0.8rem 1.2rem;
            background: #14141fe6;
            color: #f0ede8;
            font-size: 0.9rem;
            text-align: center;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 860px) {
            .content-grid {
                grid-template-columns: 2fr 1fr;
            }
        }
        .article-body {
            background: white;
            border-radius: 16px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .sidebar {
            background: white;
            border-radius: 16px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            margin-top: 0.5rem;
            font-size: 1.2rem;
            border-left: 4px solid #c9a84c;
            padding-left: 0.8rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0ede8;
        }
        .sidebar ul li a {
            font-weight: 400;
        }
        .rating-area,
        .comment-area {
            background: #f8f7f4;
            border-radius: 14px;
            padding: 1.5rem 1.2rem;
            margin: 2rem 0 1rem;
            border: 1px solid #e0dcd3;
        }
        .rating-area h3,
        .comment-area h3 {
            margin-top: 0;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 0.2rem;
            justify-content: flex-end;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #d5d1c7;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #c9a84c;
        }
        .rating-score-form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.5rem;
        }
        .rating-score-form button,
        .comment-area button {
            background: #1a3b4c;
            color: white;
            border: none;
            border-radius: 40px;
            padding: 0.6rem 1.8rem;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .rating-score-form button:hover,
        .comment-area button:hover {
            background: #2c6a8a;
        }
        .comment-area textarea {
            width: 100%;
            min-height: 100px;
            padding: 0.8rem 1rem;
            border: 2px solid #d5d1c7;
            border-radius: 12px;
            font-family: inherit;
            font-size: 0.95rem;
            resize: vertical;
            background: white;
        }
        .comment-area textarea:focus {
            outline: none;
            border-color: #c9a84c;
        }
        .comment-area input[type="text"],
        .rating-score-form input[type="number"] {
            padding: 0.6rem 1rem;
            border: 2px solid #d5d1c7;
            border-radius: 40px;
            font-size: 0.95rem;
            background: white;
            max-width: 300px;
        }
        .comment-area input:focus,
        .rating-score-form input:focus {
            outline: none;
            border-color: #c9a84c;
        }
        footer {
            margin: 3rem 0 1.5rem;
            padding: 2rem 0 1rem;
            border-top: 2px solid #e0dcd3;
            background: #f8f7f4;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 640px) {
            footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        friend-link {
            display: block;
            padding: 0.8rem 0;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.8rem 0.2rem 0;
            padding: 0.2rem 0.6rem;
            background: #eae7e0;
            border-radius: 20px;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            background: #c9a84c33;
        }
        .copyright {
            font-size: 0.85rem;
            color: #5a5a6e;
            padding-top: 1.2rem;
            border-top: 1px solid #e0dcd3;
            margin-top: 0.8rem;
            text-align: center;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #7a7a8e;
            margin: 1rem 0 0.2rem;
            text-align: right;
        }
        @media (max-width: 699px) {
            .hamburger {
                display: inline-block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #f8f7f4;
                padding: 0.8rem 0 1.2rem;
                border-top: 1px solid #e0dcd3;
                margin-top: 0.6rem;
            }
            #nav-toggle:checked~.nav-menu {
                display: flex;
            }
            .header-inner {
                position: relative;
            }
        }
        @media (min-width: 700px) {
            #nav-toggle {
                display: none;
            }
            .nav-menu {
                display: flex !important;
            }
            .hamburger {
                display: none;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.6rem;
                padding-left: 0.8rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .article-body {
                padding: 1rem 0.8rem;
            }
            .sidebar {
                padding: 1rem 0.8rem;
                position: static;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .search-form {
                max-width: 100%;
                flex-wrap: wrap;
            }
            .search-form input {
                min-width: 140px;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        @media (min-width: 1200px) {
            body {
                padding: 0 2rem;
            }
        }
        .badge {
            display: inline-block;
            background: #c9a84c20;
            color: #1a3b4c;
            padding: 0.1rem 0.8rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid #c9a84c60;
        }
        .highlight {
            background: #f5f0e6;
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 500;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.6rem 0.8rem;
            border: 1px solid #e0dcd3;
            text-align: left;
        }
        th {
            background: #eae7e0;
            font-weight: 600;
        }
        .emoji-lg {
            font-size: 1.4rem;
            margin-right: 0.2rem;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #1a3b4c;
            color: #1a3b4c;
            border-radius: 40px;
            padding: 0.4rem 1.2rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s;
        }
        .btn-outline:hover {
            background: #1a3b4c;
            color: white;
        }
