*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 62.5%;
            ;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
            font-size: 1.8rem;
            line-height: 1.7;
            color: #1e1e2a;
            background: #faf9f6;
            padding: 0 2rem;
            max-width: 1200px;
            margin: 0 auto;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #2a5c8a;
            text-decoration: underline;
            text-underline-offset: 0.2em;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #c44536;
            text-decoration: none;
        }
        ul,
        ol {
            padding-left: 2.4rem;
            margin: 1.6rem 0;
        }
        li {
            margin: 0.6rem 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #15151f;
            margin: 2.4rem 0 1.2rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        h1 {
            font-size: 3.6rem;
            border-left: 6px solid #c44536;
            padding-left: 1.6rem;
            margin-top: 1.6rem;
        }
        h2 {
            font-size: 2.8rem;
            border-bottom: 2px solid #e2ddd6;
            padding-bottom: 0.6rem;
            margin-top: 4rem;
        }
        h3 {
            font-size: 2.2rem;
            margin-top: 3.2rem;
        }
        h4 {
            font-size: 1.9rem;
            margin-top: 2.4rem;
            color: #2a2a3b;
        }
        p {
            margin: 1.2rem 0 2rem;
            max-width: 80ch;
        }
        .container {
            padding: 0 0 4rem;
        }
        header {
            padding: 2rem 0 1rem;
            border-bottom: 1px solid #e0dbd4;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            position: relative;
            background: #faf9f6;
        }
        .my-logo {
            font-size: 2.8rem;
            font-weight: 800;
            text-decoration: none;
            color: #1e1e2a;
            letter-spacing: -0.03em;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .my-logo i {
            color: #c44536;
            font-size: 2.4rem;
        }
        .my-logo:hover {
            color: #c44536;
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            color: #6b5e53;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        nav a {
            text-decoration: none;
            color: #2a2a3b;
            font-weight: 500;
            padding: 0.4rem 1.2rem;
            border-radius: 40px;
            font-size: 1.6rem;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: #e8e2da;
            color: #c44536;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 2.8rem;
            color: #1e1e2a;
            cursor: pointer;
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #e8e2da;
        }
        .breadcrumb {
            padding: 1.2rem 0 0.4rem;
            font-size: 1.4rem;
            color: #6b5e53;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #b0a89e;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2a5c8a;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #1e1e2a;
            font-weight: 600;
        }
        .hero-img {
            margin: 2.4rem 0 3.2rem;
            border-radius: 16px;
            overflow: hidden;
            background: #e8e2da;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .hero-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 1200/540;
        }
        .search-box {
            background: #ffffff;
            border-radius: 60px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            padding: 0.4rem 0.4rem 0.4rem 2.4rem;
            display: flex;
            align-items: center;
            max-width: 520px;
            margin: 2.4rem 0 3.6rem;
            border: 1px solid #e0dbd4;
            transition: box-shadow 0.3s, border-color 0.3s;
        }
        .search-box:focus-within {
            box-shadow: 0 4px 28px rgba(196, 69, 54, 0.12);
            border-color: #c44536;
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 1.2rem 0;
            font-size: 1.7rem;
            outline: none;
            color: #1e1e2a;
            font-family: inherit;
        }
        .search-box input::placeholder {
            color: #b0a89e;
        }
        .search-box button {
            background: #c44536;
            border: none;
            color: #fff;
            padding: 1rem 2.4rem;
            border-radius: 40px;
            font-size: 1.6rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-family: inherit;
        }
        .search-box button:hover {
            background: #a8372a;
        }
        .search-box button:active {
            transform: scale(0.97);
        }
        section {
            margin: 3.2rem 0;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.4rem;
            margin: 4rem 0 2rem;
        }
        .feedback-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 2.4rem 2.8rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #eeebe7;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 2rem;
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 1.6rem;
            margin-top: 1.6rem;
        }
        .feedback-card label {
            font-weight: 600;
            font-size: 1.5rem;
            color: #2a2a3b;
        }
        .feedback-card input,
        .feedback-card textarea {
            padding: 1rem 1.4rem;
            border: 1px solid #d9d3cb;
            border-radius: 10px;
            font-size: 1.6rem;
            font-family: inherit;
            background: #fcfbf9;
            transition: border-color 0.2s;
            width: 100%;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus {
            border-color: #c44536;
            outline: none;
            background: #fff;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .star-group {
            display: flex;
            gap: 0.8rem;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .feedback-card .star-group input {
            display: none;
        }
        .feedback-card .star-group label {
            font-size: 2.6rem;
            color: #d9d3cb;
            cursor: pointer;
            transition: color 0.15s;
            font-weight: 400;
        }
        .feedback-card .star-group label:hover,
        .feedback-card .star-group label:hover~label,
        .feedback-card .star-group input:checked~label {
            color: #e8b830;
        }
        .feedback-card .btn-submit {
            background: #2a5c8a;
            color: #fff;
            border: none;
            padding: 1.2rem 2.4rem;
            border-radius: 40px;
            font-size: 1.6rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-family: inherit;
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: #1d4468;
        }
        .feedback-card .btn-submit:active {
            transform: scale(0.97);
        }
        .table-wrap {
            overflow-x: auto;
            margin: 2.4rem 0;
            border-radius: 12px;
            border: 1px solid #eeebe7;
            background: #fff;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 1.6rem;
            min-width: 540px;
        }
        th,
        td {
            padding: 1.2rem 1.8rem;
            text-align: left;
            border-bottom: 1px solid #eeebe7;
        }
        th {
            background: #f4f1ed;
            font-weight: 700;
            color: #15151f;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #faf8f5;
        }
        footer {
            margin-top: 6rem;
            padding: 3.2rem 0 2.4rem;
            border-top: 1px solid #e0dbd4;
            font-size: 1.5rem;
            color: #5a4f44;
        }
        footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2.4rem;
        }
        footer .footer-col {
            flex: 1 1 200px;
        }
        footer h4 {
            font-size: 1.6rem;
            margin: 0 0 1.2rem;
            color: #1e1e2a;
        }
        friend-link {
            display: block;
            margin: 0.8rem 0;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1.2rem 0.2rem 0;
            color: #2a5c8a;
            text-decoration: none;
            font-weight: 500;
        }
        friend-link a:hover {
            text-decoration: underline;
            color: #c44536;
        }
        .copyright {
            margin-top: 2.4rem;
            padding-top: 1.6rem;
            border-top: 1px solid #e0dbd4;
            text-align: center;
            font-size: 1.4rem;
            color: #8a7e72;
        }
        @media (max-width: 820px) {
            body {
                padding: 0 1.6rem;
                font-size: 1.7rem;
            }
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2.2rem;
            }
            h3 {
                font-size: 1.9rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 680px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                flex-basis: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 1.6rem 0 0.8rem;
                gap: 0.4rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 1rem 1.6rem;
                border-radius: 8px;
                font-size: 1.7rem;
            }
            .search-box {
                flex-direction: column;
                border-radius: 24px;
                padding: 1.6rem;
                max-width: 100%;
                gap: 1.2rem;
            }
            .search-box input {
                width: 100%;
                padding: 0.8rem 0;
            }
            .search-box button {
                width: 100%;
                justify-content: center;
            }
            .breadcrumb {
                font-size: 1.3rem;
            }
            footer .footer-inner {
                flex-direction: column;
            }
            .hero-img img {
                aspect-ratio: 4/3;
            }
        }
        @media (max-width: 420px) {
            h1 {
                font-size: 2.4rem;
                padding-left: 1.2rem;
            }
            body {
                font-size: 1.6rem;
                padding: 0 1.2rem;
            }
            .feedback-card {
                padding: 1.6rem;
            }
            table {
                font-size: 1.4rem;
                min-width: 360px;
            }
            th,
            td {
                padding: 0.8rem 1rem;
            }
        }
        .schema-hidden {
            display: none;
        }
        .badge {
            display: inline-block;
            background: #e8e2da;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            font-size: 1.4rem;
            font-weight: 600;
            color: #2a2a3b;
        }
        .highlight {
            background: #fcf0e8;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .divider {
            height: 2px;
            background: linear-gradient(to right, #e0dbd4, transparent);
            margin: 3.2rem 0;
        }
        .emoji-lg {
            font-size: 1.2em;
        }
        blockquote {
            border-left: 4px solid #c44536;
            padding: 1.2rem 2rem;
            margin: 2rem 0;
            background: #f8f5f1;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #3a3a4a;
        }
        blockquote cite {
            display: block;
            margin-top: 0.8rem;
            font-style: normal;
            font-weight: 600;
            font-size: 1.5rem;
            color: #2a5c8a;
        }
        .tip-box {
            background: #eef6f0;
            border-radius: 12px;
            padding: 2rem 2.4rem;
            margin: 2.4rem 0;
            border-left: 4px solid #2a7a5c;
        }
        .tip-box strong {
            color: #1d5e46;
        }