:root{
  --bg:#f6f7f4;--card:#fff;--ink:#16211d;--sub:#56635d;--line:#e2e6e1;
  --brand:#0e6b5c;--brand-ink:#fff;--brand-soft:#e5f2ee;--accent:#d97a1f;--warn:#fff7e8;--warn-line:#f0d9ad;
  --radius:14px;--shadow:0 1px 2px rgba(16,33,29,.06),0 4px 16px rgba(16,33,29,.05);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 "Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;word-break:keep-all;overflow-wrap:anywhere}
a{color:var(--brand)}
img{max-width:100%;height:auto}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}
header.site{background:var(--card);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:56px;gap:12px}
.logo{font-weight:800;font-size:18px;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.logo b{color:var(--brand)}
header.site nav a{font-size:14px;color:var(--sub);text-decoration:none;margin-left:14px}
.crumb{font-size:13px;color:var(--sub);margin:16px 0 4px}
.crumb a{color:var(--sub);text-decoration:none}
h1{font-size:26px;line-height:1.35;margin:4px 0 8px;letter-spacing:-.03em}
h2{font-size:20px;line-height:1.4;margin:40px 0 12px;letter-spacing:-.02em}
h3{font-size:17px;margin:24px 0 8px}
.updated{font-size:13px;color:var(--sub);margin:0 0 16px}
.answer{background:var(--brand-soft);border-radius:var(--radius);padding:14px 18px;margin:0 0 20px}
.answer strong{display:block;font-size:14px;color:var(--brand);margin-bottom:4px}
.answer ul{margin:0;padding-left:18px}
.answer li{margin:2px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.calc .row{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px;margin-bottom:12px}
.calc .row.one{grid-template-columns:1fr}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:14px;font-weight:600}
.field .hint{font-size:12px;color:var(--sub);min-height:1em}
.field input,.field select{width:100%;font:inherit;font-size:17px;padding:11px 12px;border:1px solid #cfd6d1;border-radius:10px;background:#fff;color:var(--ink);appearance:none;-webkit-appearance:none}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--sub) 50%),linear-gradient(135deg,var(--sub) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:34px}
.field input:focus,.field select:focus{outline:2px solid var(--brand);outline-offset:1px;border-color:var(--brand)}
.unit{position:relative}
.unit input{padding-right:44px}
.unit span{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--sub);font-size:15px;pointer-events:none}
.seg{display:flex;background:#eef1ee;border-radius:10px;padding:4px;gap:4px;margin-bottom:14px}
.seg button{flex:1;border:0;background:transparent;font:inherit;font-size:15px;font-weight:600;padding:9px 6px;border-radius:8px;color:var(--sub);cursor:pointer}
.seg button[aria-pressed=true]{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.more{margin-top:12px}
.more summary{cursor:pointer;font-size:14px;color:var(--brand);font-weight:600}
.more[open] summary{margin-bottom:10px}
.result{margin-top:18px;border-top:1px dashed var(--line);padding-top:16px}
.big{font-size:30px;font-weight:800;letter-spacing:-.03em;line-height:1.2;color:var(--brand)}
.big small{display:block;font-size:14px;font-weight:600;color:var(--sub);letter-spacing:0;margin-bottom:4px}
.kor{font-size:14px;color:var(--sub);margin-top:2px}
.lines{list-style:none;margin:14px 0 0;padding:0;font-size:15px}
.lines li{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid #f0f2ef}
.lines li span:first-child{flex-shrink:0;max-width:55%}
.lines li span:last-child{font-weight:600;text-align:right}
.lines li.total{border-bottom:0;font-size:16px}
.lines li.total span:last-child{color:var(--brand)}
.note{font-size:13px;color:var(--sub);margin:10px 0 0}
.alert{background:var(--warn);border:1px solid var(--warn-line);border-radius:10px;padding:10px 12px;font-size:14px;margin-top:12px}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:12px 0;border:1px solid var(--line);border-radius:10px;background:#fff}
table{border-collapse:collapse;width:100%;font-size:14px;min-width:420px}
th,td{padding:9px 10px;border-bottom:1px solid #eef0ed;text-align:right;white-space:nowrap}
th{background:#f3f5f2;font-weight:700;text-align:center}
td:first-child,th:first-child{text-align:center}
table.text td{text-align:left;white-space:normal}
.formula{background:#fff;border-left:4px solid var(--brand);padding:10px 14px;border-radius:0 10px 10px 0;font-size:15px;margin:10px 0}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 16px;margin:8px 0}
.faq summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q. ";color:var(--brand)}
.faq details p{margin:0 0 14px;color:#2b3833}
.links{display:grid;gap:8px;padding:0;list-style:none;margin:8px 0}
.links a{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;text-decoration:none;color:var(--ink);font-size:15px}
.links a:hover{border-color:var(--brand)}
.links a small{display:block;color:var(--sub);font-size:12px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;list-style:none;padding:0;margin:12px 0}
.grid a{display:block;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow)}
.grid a b{display:block;font-size:17px;margin-bottom:4px}
.grid a span{font-size:13px;color:var(--sub);line-height:1.5;display:block}
.grid a:hover{border-color:var(--brand)}
.src{font-size:13px;color:var(--sub)}
.src ul{padding-left:18px;margin:6px 0}
footer.site{margin-top:48px;padding:24px 0 40px;border-top:1px solid var(--line);font-size:13px;color:var(--sub);background:var(--card)}
footer.site a{color:var(--sub)}
.btn{display:inline-block;background:var(--brand);color:var(--brand-ink);border:0;border-radius:10px;padding:10px 16px;font:inherit;font-weight:700;text-decoration:none;cursor:pointer}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
@media (max-width:520px){
  h1{font-size:22px}
  .calc .row{grid-template-columns:1fr}
  .calc .row:has(input[type=number]):not(:has([data-money])):not(:has(select)),.calc .row:has(input[type=date]){grid-template-columns:1fr 1fr}
  .field input[type=date]{font-size:15px;padding:11px 8px}
  .big{font-size:26px}
  .grid{grid-template-columns:1fr}
  header.site nav a.hide-sm{display:none}
  .card{padding:16px}
  .seg button{font-size:14px;padding:9px 4px}
  .updated{margin-bottom:12px}
}