        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #fafbfc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #ff6b35;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 1.5rem 0 0.75rem;
            color: #0b1e33;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 2.5rem 0 1rem;
            border-left: 5px solid #ff6b35;
            padding-left: 1rem;
            color: #0b1e33;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin: 1.8rem 0 0.6rem;
            color: #162b42;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 1.2rem 0 0.4rem;
            color: #2c3e50;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #2d3748;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #2c3e50;
            background: #eef2f7;
            padding: 1.2rem 1.8rem;
            border-radius: 14px;
            border-left: 6px solid #0057b3;
        }
        strong,
        b {
            color: #0b1e33;
            font-weight: 700;
        }
        .highlight-box {
            background: #fef6ee;
            border: 1px solid #fbd5b5;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 1.8rem 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .emoji-big {
            font-size: 1.6rem;
            display: inline-block;
            margin-right: 0.3rem;
        }
        header {
            background: #ffffff;
            border-bottom: 2px solid #e9edf2;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
            background: rgba(255, 255, 255, 0.95);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, #0057b3, #ff6b35);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.03em;
            padding: 0.2rem 0;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.6rem 1.2rem;
            flex-wrap: wrap;
        }
        nav a {
            font-weight: 500;
            font-size: 0.95rem;
            color: #1a2a3a;
            padding: 0.3rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: #f0f4fa;
            color: #0057b3;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1a2a3a;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f0f4fa;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem;
            gap: 0.3rem 0.6rem;
            font-size: 0.9rem;
            color: #5a6a7a;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #9aaaba;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #5a6a7a;
        }
        .breadcrumb a:hover {
            color: #0057b3;
        }
        .breadcrumb .active {
            color: #1a2a3a;
            font-weight: 600;
        }
        .search-section {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
        }
        .search-section h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .search-form input[type="text"] {
            flex: 1 1 240px;
            padding: 0.75rem 1.2rem;
            border: 2px solid #dce2ec;
            border-radius: 60px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.25s;
            background: #f9fafc;
        }
        .search-form input[type="text"]:focus {
            border-color: #0057b3;
            background: #ffffff;
        }
        .search-form button {
            background: #0057b3;
            color: #fff;
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 60px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #003d82;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #ffffff;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e9edf2;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.25rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
            margin-top: 0.6rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #dce2ec;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border-color 0.2s;
            background: #f9fafc;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #0057b3;
            background: #fff;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card button {
            background: #ff6b35;
            color: #fff;
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 60px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #e05520;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d0d5dd;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5b342;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 0.8rem;
            margin: 1.5rem 0;
            padding: 1.2rem 1.5rem;
            background: #f4f7fc;
            border-radius: 14px;
            border: 1px solid #dce5f0;
        }
        .link-grid a {
            display: block;
            padding: 0.3rem 0.6rem;
            font-size: 0.95rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .link-grid a:hover {
            background: #e4ebf5;
            text-decoration: none;
        }
        .feature-img {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .feature-img img {
            width: 100%;
            object-fit: cover;
            max-height: 480px;
        }
        .feature-img figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #5a6a7a;
            background: #f4f7fc;
            border-top: 1px solid #e2e8f0;
        }
        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.04);
        }
        .schedule-table th,
        .schedule-table td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        .schedule-table th {
            background: #0b1e33;
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }
        .schedule-table tr:nth-child(even) {
            background: #f8fafc;
        }
        .schedule-table tr:hover {
            background: #eef4fa;
        }
        footer {
            margin-top: 3.5rem;
            padding: 2.5rem 0 1.5rem;
            border-top: 2px solid #e2e8f0;
            background: #f8fafc;
        }
        .footer-inner {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        friend-link {
            display: block;
            padding: 1.2rem 1.5rem;
            background: #ffffff;
            border-radius: 14px;
            border: 1px solid #e2e8f0;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.8rem 0.2rem 0;
            padding: 0.2rem 0.6rem;
            background: #f0f4fa;
            border-radius: 6px;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #dce5f0;
            text-decoration: none;
        }
        .copyright {
            font-size: 0.9rem;
            color: #5a6a7a;
            text-align: center;
            padding-top: 1rem;
            border-top: 1px solid #e2e8f0;
        }
        .copyright strong {
            color: #1a2a3a;
        }
        @media (max-width: 820px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.5rem;
                gap: 0.4rem;
            }
            #nav-toggle:checked~nav {
                display: flex;
            }
            .schedule-table {
                font-size: 0.8rem;
            }
            .schedule-table th,
            .schedule-table td {
                padding: 0.5rem 0.6rem;
            }
            .link-grid {
                grid-template-columns: 1fr 1fr;
            }
            .search-form input[type="text"] {
                flex: 1 1 100%;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 0 0.4rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            .link-grid {
                grid-template-columns: 1fr;
            }
            .feedback-card {
                padding: 1.2rem;
            }
            .highlight-box {
                padding: 1rem 1.2rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
        }
        @media (min-width: 821px) {
            nav {
                display: flex !important;
            }
            .hamburger {
                display: none !important;
            }
        }
        .text-small {
            font-size: 0.9rem;
            color: #5a6a7a;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            align-items: center;
        }
        .updated-badge {
            display: inline-block;
            background: #e6f0fa;
            color: #0057b3;
            padding: 0.2rem 1rem;
            border-radius: 60px;
            font-size: 0.85rem;
            font-weight: 500;
        }
