:root {
            --primary: #2c3e50;
            --secondary: #3498db;
            --accent: #e74c3c;
            --light: #ecf0f1;
            --dark: #2c3e50;
            --text: #333;
            --border: #ddd;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans KR', 'Malgun Gothic', sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: #f9f9f9;
        }
        
        .navbar {
            background: var(--dark);
            padding: 15px 5%;
            display: flex;
            justify-content: flex-end;
        }
        
        .nav-links {
            display: flex;
            gap: 15px;
        }
        
        .nav-links a {
            color: white;
            text-decoration: none;
            font-size: 14px;
            transition: opacity 0.3s;
        }
        
        .nav-links a:hover {
            opacity: 0.8;
        }
        
        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 30px 5%;
        }
        
        .header {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 20px;
            border-bottom: 2px solid var(--primary);
        }
        
        .logo {
            height: 50px;
            vertical-align: middle;
            margin-right: 15px;
        }
        
        .content {
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            padding: 30px;
            margin-bottom: 30px;
        }
        
        .brand {
            color: var(--secondary);
            font-weight: 700;
        }
        
        .brand.kiheung {
            color: var(--accent);
        }
        
        .features {
            margin: 25px 0;
        }
        
        .feature-item {
            margin-bottom: 10px;
            padding-left: 15px;
            border-left: 3px solid var(--secondary);
        }
        
        .office-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 4px;
            display: block;
            margin: 30px auto;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }
        
        .btn {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 12px 25px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 500;
            transition: background 0.3s;
            margin: 20px 0;
        }
        
        .btn:hover {
            background: #1a252f;
        }
        
        .contact-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        
        .contact-table th {
            background: var(--primary);
            color: white;
            padding: 12px;
            text-align: center;
        }
        
        .contact-table td {
            padding: 12px;
            border: 1px solid var(--border);
            text-align: center;
        }
        
        .contact-table tr:nth-child(even) {
            background: var(--light);
        }
        
        .contact-icon {
            height: 18px;
            vertical-align: middle;
            margin-right: 8px;
        }
        
        .footer {
            text-align: center;
            color: #777;
            font-size: 14px;
            margin-top: 40px;
            padding: 20px 0;
        }
        
        @media (max-width: 768px) {
            .navbar {
                padding: 12px 15px;
                justify-content: center;
            }
            
            .nav-links {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .container {
                padding: 20px 15px;
            }
            
            .logo {
                height: 40px;
            }
        }