:root{color-scheme:light;--canvas: #eeefe9;--ink: #23251d;--body: #4d4f46;--muted: #6c6e63;--hairline: #bfc1b7;--hairline-soft: #dcdfd2;--card: #ffffff;--doc: #fcfcfa;--cta: #f7a501;--cta-pressed: #dd9001;--rcs-high: #69daff;--green-soft: #d9eddf;--blue-soft: #dceaf6;--red-soft: #f7d6d3;--purple-soft: #e7d8ee;--shadowless-border: 1px solid var(--hairline);font-family:IBM Plex Sans,Apple SD Gothic Neo,Noto Sans KR,system-ui,sans-serif;background:var(--canvas);color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--canvas)}button,input,select{font:inherit}.page{min-height:100vh;padding:24px}.shell{max-width:1120px;margin:0 auto}.nav{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:56px}.brand{font-weight:800;letter-spacing:-.04em;font-size:22px}.nav-pill{border:var(--shadowless-border);border-radius:999px;padding:8px 14px;color:var(--body);background:#ffffff61;font-size:14px;font-weight:700}.hero{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:28px;align-items:start}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--body);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px}.hero h1{margin:0 0 18px;font-size:clamp(42px,8vw,84px);line-height:.98;letter-spacing:-.075em}.hero p{margin:0;max-width:640px;color:var(--body);font-size:18px;line-height:1.7}.hero-note{display:grid;gap:12px;margin-top:28px}.callout,.card{border:var(--shadowless-border);border-radius:8px;background:var(--card)}.callout{padding:16px 18px;color:var(--body);line-height:1.55}.calculator{padding:22px;position:sticky;top:18px}.card-title{font-size:22px;line-height:1.25;margin:0 0 6px;letter-spacing:-.04em}.card-subtitle{margin:0 0 18px;color:var(--muted);line-height:1.5}.form-grid{display:grid;gap:14px}.field label{display:block;margin-bottom:6px;font-size:13px;font-weight:800;color:var(--body)}.input-row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px;border:var(--shadowless-border);background:var(--doc);border-radius:6px;padding:4px 10px}.input-row input,.field select{width:100%;border:0;outline:0;background:transparent;min-height:38px;color:var(--ink);font-weight:700}.field select{border:var(--shadowless-border);border-radius:6px;background:var(--doc);padding:10px}.unit{color:var(--muted);font-size:13px;font-weight:700}.primary{border:0;border-radius:8px;background:var(--cta);color:var(--ink);font-weight:900;min-height:46px;padding:12px 16px;cursor:pointer}.primary:active{background:var(--cta-pressed)}.primary:disabled{opacity:.55;cursor:not-allowed}.secondary{border:var(--shadowless-border);border-radius:8px;background:var(--card);color:var(--ink);font-weight:800;min-height:42px;padding:10px 14px;cursor:pointer}.error{color:#9f2f28;font-size:13px;min-height:20px;margin-top:8px}.result{margin-top:18px;border:1px solid rgba(35,37,29,.2);border-radius:10px;background:linear-gradient(180deg,#fff,#f8fbfb);padding:18px}.result[hidden]{display:none}.result-kicker{color:var(--muted);font-weight:800;font-size:12px;text-transform:uppercase}.result-main{margin:8px 0 2px;font-size:34px;letter-spacing:-.06em;font-weight:900}.result-main .accent{color:#1080a3}.result-sub{color:var(--body);line-height:1.5;margin-bottom:14px}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0}.stat{border:1px solid var(--hairline-soft);border-radius:6px;padding:10px;background:#fff}.stat-label{color:var(--muted);font-size:12px;font-weight:800}.stat-value{margin-top:4px;font-size:18px;font-weight:900}.caveats{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}.chip{border-radius:999px;background:var(--blue-soft);color:#1d4e6d;padding:4px 9px;font-size:12px;font-weight:800}.share-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.toast{color:#2c8c66;font-size:13px;min-height:20px;margin-top:8px;font-weight:800}.sections{display:grid;gap:18px;margin-top:56px}.section-card{padding:24px}.section-card h2{margin:0 0 12px;font-size:28px;letter-spacing:-.05em}.section-card p,.section-card li{color:var(--body);line-height:1.7}.evidence-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.evidence{padding:16px;border-radius:8px;border:1px solid var(--hairline-soft)}.evidence:nth-child(1){background:var(--green-soft)}.evidence:nth-child(2){background:var(--blue-soft)}.evidence:nth-child(3){background:var(--purple-soft)}.evidence strong{display:block;margin-bottom:8px}.disclaimer{background:var(--red-soft)}.footer{color:var(--muted);padding:40px 0 12px;font-size:13px}@media(max-width:860px){.page{padding:18px}.hero{grid-template-columns:1fr}.calculator{position:static}.evidence-grid,.result-grid{grid-template-columns:1fr}}.input-row:focus-within,.field select:focus-visible,.primary:focus-visible,.secondary:focus-visible{outline:3px solid rgba(59,130,246,.45);outline-offset:2px}@media(max-width:520px){.share-actions{grid-template-columns:1fr}}