:root{--font: "Pretendard Variable", Pretendard, system-ui, -apple-system, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;--bg: #f5f5f8;--surface: #ffffff;--surface-2: #f1f1f5;--surface-3: #ececed;--text: #15161c;--text-2: #595b66;--text-3: #8b8d98;--border: #e8e8ee;--border-2: #dcdce4;--accent: #5b4ddb;--accent-hover: #4a3dc4;--accent-weak: #efedfd;--accent-text: #4a3ec0;--ok: #1d9e75;--warn: #c2710d;--warn-weak: #fbf0dd;--radius: 14px;--radius-lg: 18px;--radius-sm: 9px;--radius-pill: 999px;--fg: var(--text);--mut: var(--text-2);--line: var(--border);--soft: var(--surface-2);--shadow-sm: 0 1px 2px rgba(20, 20, 50, .04), 0 1px 3px rgba(20, 20, 50, .05);--shadow: 0 2px 6px rgba(20, 20, 50, .05), 0 10px 30px rgba(20, 20, 50, .06);--shadow-lg: 0 4px 12px rgba(20, 20, 50, .07), 0 18px 50px rgba(20, 20, 50, .1);--maxw: 1080px}@media (prefers-color-scheme: dark){:root{--bg: #0b0c10;--surface: #15161d;--surface-2: #1c1e27;--surface-3: #23252f;--text: #e9e9f0;--text-2: #a4a6b3;--text-3: #6f7180;--border: #262832;--border-2: #333542;--accent: #8d83f2;--accent-hover: #9d94f6;--accent-weak: #1d1a33;--accent-text: #b6aef7;--ok: #4fd1a0;--warn: #e6ab53;--warn-weak: #2a2113;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);--shadow: 0 2px 8px rgba(0, 0, 0, .4), 0 14px 36px rgba(0, 0, 0, .35);--shadow-lg: 0 6px 16px rgba(0, 0, 0, .45), 0 24px 60px rgba(0, 0, 0, .4)}}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.65;font-feature-settings:"tnum" 1;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}::selection{background:var(--accent-weak)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:3px}h1{font-size:clamp(28px,5vw,38px);font-weight:700;letter-spacing:-.02em;line-height:1.2;margin:0 0 .5rem}h2{font-size:22px;font-weight:650;letter-spacing:-.015em;line-height:1.3;margin:2.2rem 0 .8rem}h3{font-size:17px;font-weight:600;letter-spacing:-.01em;margin:1.6rem 0 .6rem}p{margin:.6rem 0}ul{margin:.6rem 0;padding-left:1.25rem}li{margin:.25rem 0}code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.88em;background:var(--surface-2);padding:2px 6px;border-radius:6px}strong{font-weight:650}table{border-collapse:collapse;width:100%;font-size:14.5px}th{text-align:left;font-weight:600;color:var(--text-2);padding:10px 8px;border-bottom:1.5px solid var(--border-2)}td{padding:10px 8px;border-bottom:1px solid var(--border)}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}main{max-width:var(--maxw);margin:0 auto;padding:2.2rem 22px 4rem}main.wide{max-width:1080px}.muted{color:var(--text-2)}.faint{color:var(--text-3)}.small{font-size:13px}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}.header-inner{max-width:1080px;margin:0 auto;padding:8px 22px;min-height:60px;display:flex;align-items:center;gap:18px}.brand{display:flex;align-items:center;gap:9px;font-weight:750;font-size:19px;letter-spacing:-.02em;color:var(--text)}.brand:hover{text-decoration:none}.brand .dot{width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-weak)}.nav-desktop{display:flex;flex-direction:column;gap:4px;margin-left:auto;align-items:flex-end}.nav-row{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:3px}.nav-desktop a{color:var(--text-2);font-size:14px;font-weight:500;padding:6px 10px;border-radius:var(--radius-sm);transition:background .15s,color .15s;white-space:nowrap}.nav-desktop a:hover{color:var(--text);background:var(--surface-2);text-decoration:none}.nav-desktop a.on{color:var(--accent-text);background:var(--accent-weak)}.nav-toggle{display:none;margin-left:auto;width:40px;height:40px;border:1px solid var(--border-2);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);font-size:19px;cursor:pointer;align-items:center;justify-content:center}.nav-mobile{display:none;flex-direction:column;padding:8px 14px 16px;border-bottom:1px solid var(--border);background:var(--bg)}.nav-mobile a{padding:11px 8px;color:var(--text);font-weight:500;border-bottom:1px solid var(--border)}.nav-mobile a.on{color:var(--accent-text)}@media (max-width: 820px){.nav-desktop{display:none}.nav-toggle,.nav-mobile.open{display:flex}}.site-footer{border-top:1px solid var(--border);background:var(--surface);margin-top:3rem}.footer-inner{max-width:var(--maxw);margin:0 auto;padding:2rem 22px 2.5rem}.footer-brand{font-weight:700;font-size:16px;letter-spacing:-.02em}.footer-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin:12px 0}.footer-links a{color:var(--text-2);font-size:14px}.footer-note{color:var(--text-3);font-size:12.5px;line-height:1.6;margin-top:10px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.15rem 1.3rem;box-shadow:var(--shadow-sm)}a.card{color:inherit;display:block;transition:box-shadow .18s,transform .18s,border-color .18s}a.card:hover{text-decoration:none;box-shadow:var(--shadow);transform:translateY(-2px);border-color:var(--border-2)}.grid{display:grid;gap:14px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.btn{display:inline-flex;align-items:center;gap:7px;font-family:inherit;font-size:15px;font-weight:600;padding:10px 18px;border-radius:var(--radius-sm);border:1px solid var(--border-2);background:var(--surface);color:var(--text);cursor:pointer;transition:background .15s,border-color .15s,transform .1s}.btn:hover{background:var(--surface-2);text-decoration:none}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.badge{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:500;padding:4px 10px;border-radius:var(--radius-pill);background:var(--surface-2);color:var(--text-2);border:1px solid var(--border)}.badge-accent{background:var(--accent-weak);color:var(--accent-text);border-color:transparent}.badge-warn{background:var(--warn-weak);color:var(--warn);border-color:transparent}.stat{background:var(--surface-2);border-radius:var(--radius);padding:14px 16px}.stat .lbl{font-size:12.5px;color:var(--text-2);margin-bottom:6px}.stat .val{font-size:24px;font-weight:700;letter-spacing:-.02em;line-height:1.1}.stat .sub{font-size:12px;color:var(--text-3);margin-top:4px}.ball{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;font-weight:700;font-size:15px;flex:none;box-shadow:var(--shadow-sm)}.ball.sm{width:28px;height:28px;font-size:12.5px}.ball.lg{width:56px;height:56px;font-size:22px}.ball-row{display:flex;gap:9px;flex-wrap:wrap;align-items:center}.b1{background:#fbc400;color:#4a3a00}.b2{background:#69c8f2;color:#06405e}.b3{background:#ff7272;color:#5e1010}.b4{background:#aeb1bb;color:#2b2d36}.b5{background:#b0d840;color:#34480a}.plus{color:var(--text-3);font-weight:600;padding:0 2px}.bar-track{position:relative;height:12px;background:var(--surface-2);border-radius:var(--radius-pill);overflow:visible}.bar-fill{position:absolute;left:0;top:0;height:12px;border-radius:var(--radius-pill);background:var(--accent)}.bar-exp{position:absolute;top:-3px;height:18px;width:2px;border-radius:2px;background:var(--text-3)}.hero{padding:1.5rem 0 .5rem}.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--accent-text);background:var(--accent-weak);padding:5px 12px;border-radius:var(--radius-pill);margin-bottom:16px}.lead{font-size:18px;color:var(--text-2);line-height:1.6}.divider{border:0;border-top:1px solid var(--border);margin:2rem 0}input[type=text]{font-family:inherit}