:root{--primary-color:#0f172a;--primary-light:#1e293b;--accent-color:#2563eb;--accent-light:#3b82f6;--accent-gold:#d97706;--bg-color:#fff;--bg-secondary:#f8fafc;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--success:#10b981;--error:#ef4444;--warning:#f59e0b;--border-color:#e2e8f0;--glass-bg:#ffffffb3;--glass-border:#fff6;--glass-shadow:#0000000d 0 8px 32px;--font-family:"Inter", "Noto Sans KR", sans-serif;--transition-fast:.2s ease;--transition-normal:.3s ease;--border-radius:12px;--border-radius-sm:6px;--border-radius-lg:20px}@media (prefers-color-scheme:dark){:root{--bg-color:#0f172a;--bg-secondary:#1e293b;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--border-color:#334155;--glass-bg:#0f172ab3;--glass-border:#ffffff0d;--glass-shadow:#0000004d 0 8px 32px}}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{font-family:var(--font-family);color:var(--text-primary);background-color:var(--bg-color);scroll-behavior:smooth;font-size:16px;line-height:1.6}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--accent-light);outline-offset:2px}input,textarea,select{color:var(--text-primary);background-color:var(--bg-color);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);width:100%;transition:border-color var(--transition-fast);padding:12px 16px;font-family:inherit;font-size:16px}input:focus,textarea:focus,select:focus{border-color:var(--accent-light);outline:none}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.btn{border-radius:var(--border-radius);cursor:pointer;transition:all var(--transition-fast);border:none;justify-content:center;align-items:center;min-height:48px;padding:14px 28px;font-size:1rem;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background-color:var(--accent-color);color:#fff}.btn-primary:hover{background-color:var(--accent-light);transform:translateY(-2px);box-shadow:0 4px 12px #2563eb33}.btn-accent{background-color:var(--accent-gold);color:#fff}.btn-accent:hover{background-color:#f59e0b;transform:translateY(-2px)}.btn-outline{border:2px solid var(--border-color);color:var(--text-primary);background-color:#0000}.btn-outline:hover{border-color:var(--text-primary);background-color:var(--bg-secondary)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}.app-header{z-index:100;background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-border);box-shadow:var(--glass-shadow);align-items:center;height:70px;display:flex;position:sticky;top:0}.header-container{justify-content:space-between;align-items:center;width:100%;display:flex}.logo img{height:40px;display:block}.menu-toggle{color:var(--text-primary);cursor:pointer;background:0 0;border:none;min-width:48px;min-height:48px;padding:10px;font-size:1.5rem;display:block}.nav-menu{display:none}.nav-menu.open{background:var(--bg-color);border-bottom:1px solid var(--border-color);flex-direction:column;gap:15px;width:100%;padding:20px;display:flex;position:absolute;top:70px;left:0;box-shadow:0 10px 15px -3px #0000001a}.nav-menu.open a{border-bottom:1px solid var(--border-color);color:var(--text-primary);padding:10px 0;font-size:1.1rem;font-weight:500;text-decoration:none}@media (width>=768px){.menu-toggle{display:none}.nav-menu{flex-direction:row;gap:30px;display:flex}.nav-menu.open{box-shadow:none;border:none;flex-direction:row;padding:0;display:flex;position:static}.nav-menu a{color:var(--text-primary);transition:color var(--transition-fast);border-bottom:2px solid #0000;padding:5px 0;font-weight:500;text-decoration:none}.nav-menu a:hover{color:var(--accent-light);border-bottom-color:var(--accent-light)}}.image-placeholder{background:linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);color:#fff;border-radius:var(--border-radius);justify-content:center;align-items:center;display:flex;overflow:hidden}