*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f9fc;
            color: #1e1e2a;
            line-height: 1.75;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: #2b5f8a; text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: #1a3e5c; text-decoration: underline; }
        ul, ol { padding-left: 1.5rem; }
        h1, h2, h3, h4 { font-weight: 700; line-height: 1.3; color: #0d0d1a; }
        .skip-link {
            position: absolute; top: -100px; left: 50%; transform: translateX(-50%);
            background: #2b5f8a; color: #fff; padding: 0.75rem 1.5rem; border-radius: 0 0 8px 8px;
            z-index: 1000; font-weight: 600;
        }
        .skip-link:focus { top: 0; }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 900;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0.75rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo:hover { text-decoration: none; color: #f0c040; }
        .my-logo span { background: #f0c040; color: #1a1a2e; padding: 0.1rem 0.6rem; border-radius: 6px; font-size: 1rem; margin-left: 0.3rem; }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-nav {
            display: flex;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0e0f0;
            padding: 0.45rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #f0c040;
            color: #1a1a2e;
        }
        .hamburger-btn {
            display: none;
            background: transparent;
            border: 2px solid rgba(255,255,255,0.3);
            color: #fff;
            font-size: 1.5rem;
            padding: 0.3rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
            line-height: 1;
            transition: border-color 0.2s;
        }
        .hamburger-btn:hover { border-color: #f0c040; }
        .hamburger-btn:focus-visible { outline: 2px solid #f0c040; outline-offset: 2px; }
        .breadcrumb-area {
            background: #eef1f7;
            padding: 0.6rem 1.5rem;
            border-bottom: 1px solid #dce1eb;
        }
        .breadcrumb-inner {
            max-width: 1280px;
            margin: 0 auto;
            font-size: 0.85rem;
            color: #4a4a5a;
        }
        .breadcrumb-inner a { color: #2b5f8a; }
        .breadcrumb-inner .sep { margin: 0 0.4rem; color: #8a8a9a; }
        .main-wrap {
            max-width: 1280px;
            margin: 0 auto;
            padding: 2rem 1.5rem 3rem;
            flex: 1;
            width: 100%;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            align-items: start;
        }
        .article-body { min-width: 0; }
        .hero-image-wrap {
            margin-bottom: 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
            background: #eef1f7;
        }
        .hero-image-wrap img {
            width: 100%;
            aspect-ratio: 1200 / 630;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .hero-image-wrap:hover img { transform: scale(1.01); }
        h1 {
            font-size: 2.6rem;
            margin-bottom: 0.75rem;
            color: #0d0d1a;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 1.9rem;
            margin-top: 2.8rem;
            margin-bottom: 0.8rem;
            padding-bottom: 0.3rem;
            border-bottom: 3px solid #f0c040;
            display: inline-block;
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 2rem;
            margin-bottom: 0.5rem;
            color: #1e2a4a;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.5rem;
            margin-bottom: 0.3rem;
            color: #2b3a5a;
        }
        .article-body p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .article-body ul, .article-body ol {
            margin-bottom: 1.5rem;
        }
        .article-body li {
            margin-bottom: 0.4rem;
            font-size: 1.02rem;
        }
        .last-updated {
            display: inline-block;
            background: #eef1f7;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #4a4a5a;
            margin-bottom: 1.5rem;
        }
        .highlight-box {
            background: #eef5ff;
            border-left: 4px solid #2b5f8a;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .tip-box {
            background: #f6f9e8;
            border-left: 4px solid #8a9e2b;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .warning-box {
            background: #fdf2ed;
            border-left: 4px solid #c0392b;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .interview-block {
            background: #f4f0fa;
            padding: 1.5rem 2rem;
            border-radius: 16px;
            margin: 2rem 0;
            font-style: italic;
        }
        .interview-block .interviewee {
            font-weight: 700;
            font-style: normal;
            color: #2b5f8a;
        }
        .toc {
            background: #fff;
            border: 1px solid #dce1eb;
            border-radius: 12px;
            padding: 1.5rem 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
        }
        .toc h2 { margin-top: 0; border-bottom: none; font-size: 1.3rem; }
        .toc ul { list-style: none; padding-left: 0; columns: 2; column-gap: 2rem; }
        .toc li { margin-bottom: 0.4rem; }
        .toc a { color: #2b5f8a; font-weight: 500; }
        .sidebar {
            position: sticky;
            top: 6rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border: 1px solid #e6eaf0;
            box-shadow: 0 2px 12px rgba(0,0,0,0.03);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
            border-bottom: 2px solid #f0c040;
            padding-bottom: 0.4rem;
            display: inline-block;
        }
        .sidebar-card ul { list-style: none; padding-left: 0; }
        .sidebar-card li { margin-bottom: 0.5rem; font-size: 0.95rem; }
        .sidebar-card a { color: #2b5f8a; }
        .form-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.8rem;
            margin: 2rem 0;
            border: 1px solid #e6eaf0;
            box-shadow: 0 2px 12px rgba(0,0,0,0.03);
        }
        .form-card h3 { margin-top: 0; }
        .form-group { margin-bottom: 1.2rem; }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #ccd2db;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.2s, box-shadow 0.2s;
            background: #fafbfc;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #2b5f8a;
            box-shadow: 0 0 0 3px rgba(43, 95, 138, 0.12);
            outline: none;
        }
        .form-group textarea { min-height: 100px; resize: vertical; }
        .btn {
            display: inline-block;
            background: #2b5f8a;
            color: #fff;
            padding: 0.7rem 1.8rem;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .btn:hover { background: #1a3e5c; color: #fff; text-decoration: none; transform: translateY(-1px); }
        .btn:active { transform: translateY(0); }
        .btn-secondary { background: #6c7a8a; }
        .btn-secondary:hover { background: #4a5a6a; }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            cursor: pointer;
            direction: rtl;
            unicode-bidi: bidi-override;
        }
        .star-rating input { display: none; }
        .star-rating label {
            color: #d0d5dd;
            transition: color 0.2s;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #f0c040;
        }
        .comment-item {
            background: #f8f9fc;
            padding: 1rem 1.2rem;
            border-radius: 10px;
            margin-bottom: 0.8rem;
            border-left: 3px solid #2b5f8a;
        }
        .comment-item .meta { font-size: 0.85rem; color: #6a7a8a; }
        .site-footer {
            background: #1a1a2e;
            color: #c0c0d0;
            padding: 2.5rem 1.5rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 { color: #fff; margin-top: 0; margin-bottom: 0.8rem; font-size: 1.1rem; }
        .footer-inner a { color: #a0b0c8; }
        .footer-inner a:hover { color: #f0c040; }
        .footer-inner ul { list-style: none; padding-left: 0; }
        .footer-inner li { margin-bottom: 0.4rem; font-size: 0.9rem; }
        friend-link {
            display: block;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        friend-link a { color: #a0b0c8; margin-right: 1rem; }
        friend-link a:hover { color: #f0c040; }
        .copyright {
            max-width: 1280px;
            margin: 1.5rem auto 0;
            padding-top: 1.2rem;
            border-top: 1px solid #2a2a4a;
            text-align: center;
            font-size: 0.85rem;
            color: #8080a0;
        }
        @media (max-width: 1024px) {
            .content-grid { grid-template-columns: 1fr; }
            .sidebar { position: static; }
        }
        @media (max-width: 768px) {
            .header-inner { padding: 0.5rem 1rem; }
            .my-logo { font-size: 1.4rem; }
            .hamburger-btn { display: block; }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(0,0,0,0.3);
                border-radius: 12px;
                padding: 0.5rem;
                margin-top: 0.5rem;
            }
            .main-nav.open { display: flex; }
            .main-nav a { padding: 0.7rem 1rem; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
            h3 { font-size: 1.2rem; }
            .toc ul { columns: 1; }
            .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }
            .main-wrap { padding: 1.2rem 1rem 2rem; }
            .hero-image-wrap img { aspect-ratio: 16/9; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 1.5rem; }
            .article-body p { font-size: 0.98rem; }
            .interview-block { padding: 1rem 1.2rem; }
        }
        @media print {
            .site-header, .site-footer, .sidebar, .form-card, .hamburger-btn { display: none; }
            .content-grid { display: block; }
            .main-wrap { padding: 1rem; }
            .hero-image-wrap { box-shadow: none; }
        }