*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: #f7f5f0;
            color: #2d2a24;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #2e7d32;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #1b5e20;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1 {
            font-size: clamp(1.9rem, 5vw, 3.2rem);
            font-weight: 800;
            color: #1a3c1f;
            line-height: 1.2;
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: clamp(1.4rem, 3.5vw, 2.0rem);
            font-weight: 700;
            color: #1f4a2a;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            border-left: 6px solid #4caf50;
            padding-left: 1rem;
        }
        h3 {
            font-size: clamp(1.15rem, 2.5vw, 1.5rem);
            font-weight: 600;
            color: #2a5a35;
            margin-top: 2rem;
            margin-bottom: 0.6rem;
        }
        h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #3a6a45;
            margin-top: 1.2rem;
            margin-bottom: 0.4rem;
        }
        p {
            margin-bottom: 1.2rem;
            word-break: break-word;
        }
        .text-muted {
            color: #5a5a55;
            font-size: 0.92rem;
        }
        .badge {
            display: inline-block;
            background: #4caf50;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }
        .site-header {
            background: linear-gradient(135deg, #1a3c1f 0%, #2d5a3a 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.03em;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            color: #81c784;
            font-size: 1.9rem;
        }
        .my-logo:hover {
            color: #c8e6c9;
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            color: #a5d6a7;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s;
        }
        .hamburger:focus-visible {
            outline: 2px solid #81c784;
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e8f5e9;
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: #4caf50;
            color: #fff;
            text-decoration: none;
        }
        .main-nav .nav-highlight {
            background: #4caf50;
            color: #fff;
            font-weight: 600;
        }
        .breadcrumb {
            background: #ecece4;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dcd5cc;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.2rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.5rem;
            color: #6d6a62;
        }
        .breadcrumb a {
            color: #2e7d32;
        }
        .breadcrumb .current {
            color: #4a4a44;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(145deg, #e8f5e9 0%, #c8e6c9 100%);
            padding: 2.5rem 0 2rem;
            border-radius: 0 0 40px 40px;
            margin-bottom: 1.5rem;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }
        .hero-img {
            border-radius: 20px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.13);
            width: 100%;
            height: auto;
            aspect-ratio: 16/10;
            object-fit: cover;
            background: #b5d8b7;
        }
        .hero h1 {
            margin-top: 0;
        }
        .hero p {
            font-size: 1.1rem;
            color: #2d3a2a;
        }
        .hero .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            margin-top: 1rem;
            font-size: 0.92rem;
            color: #3d5a3a;
        }
        .hero .meta-line i {
            margin-right: 0.3rem;
            color: #4caf50;
        }
        .search-wrap {
            background: #fff;
            border-radius: 60px;
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            display: flex;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            max-width: 500px;
            margin-top: 1.2rem;
            border: 1px solid #dcd5cc;
        }
        .search-wrap input {
            border: none;
            background: transparent;
            flex: 1;
            padding: 0.7rem 0.5rem;
            font-size: 0.95rem;
            outline: none;
            color: #2d2a24;
            min-width: 0;
        }
        .search-wrap input::placeholder {
            color: #8a857b;
        }
        .search-wrap button {
            background: #4caf50;
            border: none;
            color: #fff;
            padding: 0.7rem 1.8rem;
            border-radius: 60px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            white-space: nowrap;
        }
        .search-wrap button:hover {
            background: #388e3c;
        }
        .content-area {
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 110px;
            align-self: start;
            background: #f0ede6;
            border-radius: 20px;
            padding: 1.5rem 1.2rem;
            border: 1px solid #dcd5cc;
        }
        .sidebar h3 {
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #4caf50;
            padding-bottom: 0.4rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #ddd8cf;
        }
        .sidebar li a {
            display: flex;
            align-items: baseline;
            gap: 0.4rem;
            font-size: 0.9rem;
        }
        .sidebar li a::before {
            content: "▸";
            color: #4caf50;
        }
        .info-box {
            background: #e8f5e9;
            border-left: 5px solid #4caf50;
            padding: 1.2rem 1.5rem;
            border-radius: 0 16px 16px 0;
            margin: 1.5rem 0;
        }
        .info-box strong {
            color: #1a3c1f;
        }
        .link-list {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 0.6rem 1.2rem;
            margin: 1rem 0;
        }
        .link-list li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: #f0ede6;
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-size: 0.9rem;
            transition: background 0.2s, transform 0.1s;
        }
        .link-list li a:hover {
            background: #dcd5cc;
            transform: translateX(4px);
            text-decoration: none;
        }
        .link-list li a i {
            color: #4caf50;
            font-size: 0.85rem;
        }
        .interaction-area {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #dcd5cc;
        }
        .comment-form,
        .rating-form {
            background: #f0ede6;
            padding: 1.5rem 1.8rem;
            border-radius: 20px;
            margin-bottom: 2rem;
            border: 1px solid #dcd5cc;
        }
        .comment-form h3,
        .rating-form h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 0.3rem;
            color: #2d2a24;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #ccc6bc;
            border-radius: 12px;
            font-size: 0.95rem;
            background: #fff;
            transition: border 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #4caf50;
            outline: none;
            box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.15);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #4caf50;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 60px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn:hover {
            background: #388e3c;
            transform: scale(1.01);
        }
        .btn-outline {
            background: transparent;
            color: #2e7d32;
            border: 2px solid #4caf50;
        }
        .btn-outline:hover {
            background: #e8f5e9;
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            direction: rtl;
            justify-content: flex-end;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ccc6bc;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffb300;
        }
        .site-footer {
            background: #1a3c1f;
            color: #d7e3d0;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .site-footer a {
            color: #a5d6a7;
        }
        .site-footer a:hover {
            color: #e8f5e9;
        }
        .site-footer .copyright {
            border-top: 1px solid #2d5a3a;
            padding-top: 1.2rem;
            margin-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #9aab92;
        }
        friend-link {
            display: block;
            background: #0f2a14;
            padding: 1rem 1.5rem;
            border-radius: 16px;
            margin: 1rem 0 0.5rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1rem 0.2rem 0;
            padding: 0.2rem 0;
        }
        @media (max-width: 820px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .hero-img {
                aspect-ratio: 16/9;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1a3c1f;
                padding: 1rem 0.5rem;
                border-radius: 0 0 20px 20px;
                margin-top: 0.6rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 12px;
                width: 100%;
            }
            .search-wrap {
                max-width: 100%;
                flex-wrap: wrap;
                border-radius: 30px;
            }
            .search-wrap button {
                padding: 0.6rem 1.2rem;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 500px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero {
                padding: 1.5rem 0 1.2rem;
            }
            .container {
                padding: 0 14px;
            }
            .comment-form,
            .rating-form {
                padding: 1rem;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .highlight {
            background: #dcedc8;
            padding: 0 0.3rem;
            border-radius: 4px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e0dbd0;
        }
        th {
            background: #e8f5e9;
            font-weight: 600;
            color: #1a3c1f;
        }
        tr:last-child td {
            border-bottom: none;
        }