* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #f0f4f8 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        h1, h2, h3, h4 { color: #2c3e50; font-weight: 700; margin-bottom: 1rem; }
        h1 { font-size: 2.8rem; line-height: 1.2; margin-top: 1.5rem; border-bottom: 4px solid #e74c3c; padding-bottom: 0.5rem; }
        h2 { font-size: 2.2rem; color: #3498db; padding-top: 1rem; border-top: 2px solid #eee; }
        h3 { font-size: 1.8rem; color: #16a085; }
        h4 { font-size: 1.4rem; color: #8e44ad; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        a { color: #2980b9; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #e74c3c; text-decoration: underline; }
        strong { color: #c0392b; font-weight: 700; }
        em { font-style: italic; color: #7f8c8d; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(to right, #1a2980, #26d0ce);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo .kami-part { color: #ffdd40; }
        .logo .game-part { color: #4cd964; }
        .nav-desktop { display: flex; gap: 2rem; }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: background 0.3s;
        }
        .nav-desktop a:hover {
            background: rgba(255,255,255,0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #2c3e50;
            width: 100%;
            padding: 1rem;
            margin-top: 1rem;
            border-radius: 8px;
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            color: white;
            padding: 0.8rem;
            border-bottom: 1px solid #34495e;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #7f8c8d;
            background: #ecf0f1;
            margin-bottom: 2rem;
        }
        .breadcrumb a { color: #7f8c8d; }
        .breadcrumb a:hover { color: #e74c3c; }
        .main-content {
            flex: 1;
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            margin: 2rem auto;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            color: #95a5a6;
            font-size: 0.9rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
            margin-bottom: 2rem;
        }
        .hero-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            border: 5px solid #f1f8ff;
            transition: transform 0.5s ease;
        }
        .hero-image:hover { transform: scale(1.01); }
        .content-section {
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 1px dashed #bdc3c7;
        }
        .highlight-box {
            background: linear-gradient(120deg, #e3f2fd, #f3e5f5);
            border-left: 5px solid #9b59b6;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .interactive-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
            padding: 2rem;
            background: #f8f9fa;
            border-radius: 12px;
            border: 2px solid #dfe6e9;
        }
        .feature-box {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .feature-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .feature-box h3 { color: #2c3e50; margin-top: 0; }
        form { display: flex; flex-direction: column; gap: 1rem; }
        input, textarea, select {
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 6px;
            font-family: inherit;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #3498db;
        }
        button {
            background: linear-gradient(to right, #3498db, #2ecc71);
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.3s, transform 0.2s;
        }
        button:hover {
            opacity: 0.9;
            transform: scale(1.03);
        }
        .star-rating {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #f1c40f;
            cursor: pointer;
            margin: 0.5rem 0;
        }
        .star-rating span:hover { color: #f39c12; }
        .related-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            padding: 1.5rem;
            background: #fffde7;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .related-links a {
            background: #ffeaa7;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.9rem;
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #1abc9c;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid #34495e;
            padding-bottom: 0.5rem;
        }
        friend-link {
            display: block;
            background: #34495e;
            padding: 0.8rem;
            margin: 0.5rem 0;
            border-radius: 4px;
            transition: background 0.3s;
            color: #bdc3c7;
        }
        friend-link a {
            color: #1abc9c;
            font-weight: 600;
        }
        friend-link:hover { background: #3d566e; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .header-content { flex-direction: column; align-items: flex-start; }
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .interactive-features { grid-template-columns: 1fr; }
            .main-content { padding: 1.5rem; }
        }