:root{--ink:#123a40;--ink-soft:#2c5157;--text:#1b2a2d;--muted:#5b6d70;--paper:#f4f6f2;--surface:#fff;--line:#d8e0db;--teal:#0e7a6b;--gold:#d9a53a;--gold-soft:#f6ead0;--rule:#123a4014;--radius:10px;color-scheme:light}@media (prefers-color-scheme:dark){:root{--ink:#9fd6cc;--ink-soft:#c3e3dd;--text:#e3ebe8;--muted:#9aaeab;--paper:#0f1d20;--surface:#16272b;--line:#2a3f43;--teal:#5cc7b3;--gold:#e2b456;--gold-soft:#3a3220;--rule:#9fd6cc14;color-scheme:dark}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--paper);color:var(--text);word-break:keep-all;overflow-wrap:break-word;margin:0;font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Malgun Gothic,Noto Sans KR,system-ui,sans-serif;font-size:17px;line-height:1.8}.wrap{max-width:760px;margin:0 auto;padding:0 20px}.nb{white-space:nowrap}.skip{position:absolute;left:-999px}.skip:focus{z-index:10;background:var(--surface);padding:6px 10px;top:8px;left:16px}.site-header{background:var(--ink);color:#fff}@media (prefers-color-scheme:dark){.site-header{border-bottom:1px solid var(--line);background:#0a1517}}.header-inner{flex-wrap:wrap;align-items:center;gap:12px 28px;padding-top:14px;padding-bottom:14px;display:flex}.brand{color:#fff;letter-spacing:-.02em;align-items:center;gap:10px;font-size:1.2rem;font-weight:800;text-decoration:none;display:inline-flex}.mark{width:28px;height:28px}.mark .m1{fill:#7fc4b8}.mark .m2{fill:#fff}.mark .m3{fill:var(--gold)}.site-header nav{scrollbar-width:none;gap:4px;margin:0 -8px;display:flex;overflow-x:auto}.site-header nav::-webkit-scrollbar{display:none}.site-header nav a{color:#ffffffc7;white-space:nowrap;border-radius:6px;padding:6px 8px;font-size:.95rem;text-decoration:none}.site-header nav a:hover{color:#fff;background:#ffffff14}.site-header nav a[aria-current=page]{color:#fff;box-shadow:inset 0 -2px 0 var(--gold);border-radius:0}main{padding-top:8px;padding-bottom:56px}h1{letter-spacing:-.03em;color:var(--ink);margin:1.6em 0 .6em;font-size:clamp(1.7rem,4.5vw,2.25rem);font-weight:800;line-height:1.3}h2{letter-spacing:-.02em;color:var(--ink);border-top:1px solid var(--line);margin:2.4em 0 .7em;padding-top:1.2em;font-size:1.3rem;font-weight:750;line-height:1.4}h3{color:var(--ink-soft);margin:1.8em 0 .5em;font-size:1.08rem}p,ul,ol{margin:0 0 1em}ul,ol{padding-left:1.3em}li{margin-bottom:.35em}li::marker{color:var(--teal)}a{color:var(--teal);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:4px}strong,b{color:var(--ink);font-weight:750}.lead{color:var(--text);font-size:1.12rem;line-height:1.75}.meta,.note{color:var(--muted);font-size:.9rem;line-height:1.7}.note{border-left:3px solid var(--line);background:var(--rule);border-radius:0 var(--radius) var(--radius) 0;padding:12px 14px}.meta{margin-top:2.5em}blockquote{border-left:3px solid var(--gold);background:var(--gold-soft);border-radius:0 var(--radius) var(--radius) 0;margin:1.2em 0;padding:12px 16px}blockquote p:last-child{margin-bottom:0}table{border-collapse:collapse;background:var(--surface);border-radius:var(--radius);width:100%;box-shadow:0 0 0 1px var(--line);margin:1.2em 0 1.6em;font-size:.95rem;line-height:1.6;overflow:hidden}caption{text-align:left;color:var(--ink);padding:0 0 8px;font-weight:700}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:10px 12px}thead th{color:var(--ink);border-bottom:2px solid var(--ink);background:var(--rule);font-weight:750}tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.table-wrap{margin:1.2em 0 1.6em;overflow-x:auto}.table-wrap table{margin:0}@media (width<=640px){main table{display:block;overflow-x:auto}th,td{padding:8px 10px}}.calc{background:var(--surface);border-radius:var(--radius) var(--radius) 0 0;box-shadow:0 0 0 1px var(--line);grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px 16px;margin:1.4em 0 0;padding:20px;display:grid}.calc label{color:var(--ink-soft);gap:6px;font-size:.92rem;font-weight:650;line-height:1.4;display:grid}.calc input,.calc select{font:inherit;font-variant-numeric:tabular-nums;color:var(--text);border:1.5px solid var(--line);background:var(--paper);border-radius:8px;width:100%;padding:10px 12px;font-size:1.05rem}.calc input:focus,.calc select:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 3px #0e7a6b2e}.result{border-radius:0 0 var(--radius) var(--radius);background-color:var(--gold-soft);box-shadow:0 0 0 1px var(--line);font-variant-numeric:tabular-nums;background-image:repeating-linear-gradient(#0000 0 31px,#123a401a 31px 32px);margin:0 0 1.6em;padding:22px 20px 18px 24px;line-height:32px;position:relative}.result:before{content:"";background:repeating-linear-gradient(to bottom, var(--ink) 0 10px, transparent 10px 16px);opacity:.85;width:6px;position:absolute;top:0;bottom:0;left:0}.result p{margin:0}.result strong{letter-spacing:-.02em;color:var(--ink);border-bottom:3px solid var(--gold);margin:0 0 6px;padding-bottom:2px;font-size:clamp(1.6rem,6vw,2.2rem);line-height:1.2;display:inline-block}.result p+p{color:var(--ink-soft);font-size:.95rem}.sources{background:var(--surface);border-radius:var(--radius);box-shadow:0 0 0 1px var(--line);padding:14px 16px 14px 34px;font-size:.92rem;line-height:1.7}.site-footer{background:var(--ink);color:#ffffffbf;padding:36px 0 24px;font-size:.88rem;line-height:1.7}@media (prefers-color-scheme:dark){.site-footer{border-top:1px solid var(--line);background:#0a1517}}.footer-inner{grid-template-columns:1fr auto;gap:16px 40px;display:grid}@media (width<=560px){.footer-inner{grid-template-columns:1fr}}.footer-brand{color:#fff;margin-bottom:6px;font-size:1.05rem;font-weight:800}.site-footer a{color:#fff}.footer-links{margin:0;padding:0;list-style:none}.footer-op{color:#ffffff80;margin-top:20px;font-size:.82rem}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
