:root{--paper:#f3eee3;--surface:#fffdf8;--ink:#17332d;--muted:#5e6b66;--line:#d5ccbd;--accent:#08766a;--signal:#df653f;font-family:Pretendard,"Noto Sans KR",system-ui,sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;line-height:1.7;font-size:17px}a{color:#07564e;text-underline-offset:.2em}a,button,input{min-height:44px}input{width:100%;min-width:0}a{display:inline-flex;align-items:center}:focus-visible{outline:3px solid var(--signal);outline-offset:3px}header,footer,main{width:min(1080px,calc(100% - 32px));margin:auto}header{display:flex;justify-content:space-between;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}header nav{display:flex;gap:8px}header nav a{padding:0 12px;text-decoration:none;font-weight:800}.brand{font:900 1.3rem ui-monospace,monospace;text-decoration:none}main{padding:64px 0 88px}h1,h2,h3{line-height:1.2;letter-spacing:-.035em}h1{font-size:clamp(2.4rem,6vw,5rem);max-width:15ch}.eyebrow{font-size:.8rem;font-weight:900;letter-spacing:.13em;text-transform:uppercase;color:var(--accent)}.hero{display:grid;grid-template-columns:1.5fr .5fr;gap:28px;align-items:end}.answer{font-size:1.2rem;padding:20px;border-left:5px solid var(--accent);background:var(--surface)}.meta{color:var(--muted)}.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.card,.notice{padding:22px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.button{padding:10px 18px;background:var(--ink);color:white;text-decoration:none;border-radius:8px;font-weight:800}.article{max-width:800px}.article section{margin-top:52px}.article h2{font-size:2rem}table{width:100%;border-collapse:collapse;background:var(--surface);display:block;overflow-x:auto}th,td{padding:11px 13px;border:1px solid var(--line);text-align:left;min-width:130px}.calculator{display:grid;grid-template-columns:1fr 1fr;gap:22px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field input{padding:10px;border:1px solid #8d958f;border-radius:7px;font:inherit}.results{background:var(--ink);color:white}.result{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid #47615a;padding:10px 0}.result strong{font-variant-numeric:tabular-nums;font-size:1.2rem}footer{border-top:1px solid var(--line);padding:36px 0 56px;display:flex;justify-content:space-between}footer nav{display:flex;gap:16px}@media(max-width:760px){body{font-size:16px}.hero,.grid,.calculator{grid-template-columns:1fr}.fields{grid-template-columns:1fr}main{padding-top:40px}h1{font-size:2.55rem}footer{flex-direction:column;gap:16px}footer nav{flex-direction:column;gap:2px}}