:root{
  --ink:#15201d; --ink-2:#4a5754; --paper:#eef1ee; --surface:#fff;
  --line:#d5dbd6; --line-2:#e8ece9; --focus:#0f5f8f; --era:#3e7c8c;
  --sans:"Noto Sans KR",system-ui,sans-serif;
  --serif:"Gowun Batang","Noto Serif KR",serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.util{background:var(--ink);color:#c9d3cf;font-size:12.5px}
.util .wrap{max-width:1280px;margin:0 auto;padding:6px 20px;display:flex;gap:16px;align-items:center;justify-content:flex-end}
.util .left{margin-right:auto;letter-spacing:.02em}
.util a{text-decoration:none;opacity:.8}
.util a:hover{opacity:1}
.dot{width:6px;height:6px;border-radius:50%;background:#57c08a;display:inline-block;margin-right:6px;vertical-align:middle}
header{background:var(--surface);border-bottom:1px solid var(--line)}
.head{max-width:1280px;margin:0 auto;padding:18px 20px 14px;display:flex;align-items:flex-end;gap:24px;flex-wrap:wrap}
.brand{font-family:var(--serif);font-weight:700;font-size:27px;letter-spacing:-.01em;line-height:1.15;text-decoration:none}
.brand small{display:block;font-family:var(--sans);font-weight:400;font-size:12px;color:var(--ink-2);letter-spacing:.14em;margin-top:5px}
.search{margin-left:auto;display:flex;border:1px solid var(--line);border-radius:2px;overflow:hidden;background:#fff;min-width:280px}
.search input{border:0;padding:9px 12px;flex:1;font-size:14px;font-family:inherit}
.search input:focus{outline:none}
.search button{border:0;background:var(--ink);color:#fff;padding:0 16px;font-size:13px}
.strata{background:var(--surface);border-bottom:1px solid var(--line)}
.strata-in{max-width:1280px;margin:0 auto;padding:0 20px 16px;display:flex;gap:2px}
.era-btn{flex:1 1 0;display:block;text-decoration:none;position:relative;padding:0}
.era-btn .bar{height:9px;background:var(--c);opacity:.32;transition:opacity .18s,height .18s}
.era-btn .yr{font-size:11px;color:var(--ink-2);margin-top:7px;font-variant-numeric:tabular-nums}
.era-btn .nm{font-family:var(--serif);font-size:16px;font-weight:700;margin-top:1px;color:var(--ink-2)}
.era-btn .ct{font-size:11px;color:#8b968f;margin-top:2px}
.era-btn:hover .bar{opacity:.6}
.era-btn.on .bar{opacity:1;height:14px}
.era-btn.on .nm{color:var(--ink)}
.era-btn.on::after{content:"";position:absolute;left:0;right:0;bottom:-17px;height:2px;background:var(--c)}
main{max-width:1280px;margin:0 auto;padding:26px 20px 60px;display:grid;grid-template-columns:196px 1fr;gap:30px;align-items:start}
main.wide{grid-template-columns:1fr}
nav.toc{position:sticky;top:16px}
nav.toc h2{font-size:11px;letter-spacing:.16em;color:#8b968f;margin:0 0 10px;font-weight:500}
nav.toc a{display:block;text-decoration:none;padding:8px 10px;font-size:14px;color:var(--ink-2);border-left:2px solid var(--line-2)}
nav.toc a:hover{background:#fff;color:var(--ink)}
nav.toc a.on{background:#fff;color:var(--ink);font-weight:700;border-left:2px solid var(--era)}
nav.toc .cnt{float:right;font-size:11.5px;color:#9aa5a0;font-weight:400}
.era-head{display:flex;align-items:baseline;gap:14px;margin:0 0 18px;padding-bottom:12px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.era-head h1{font-family:var(--serif);font-size:30px;margin:0;letter-spacing:-.01em}
.era-head .han{font-family:var(--serif);color:var(--era);font-size:19px}
.era-head .span{margin-left:auto;font-size:12.5px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.card{background:var(--surface);border:1px solid var(--line);border-radius:2px;padding:20px 22px;margin-bottom:14px}
.card h3{font-family:var(--serif);font-size:18px;margin:0 0 12px}
.meta{font-size:12.5px;color:var(--ink-2)}
.tag{display:inline-block;font-size:11px;padding:2px 7px;border:1px solid var(--line);border-radius:2px;color:var(--ink-2);margin-right:5px}
.tag.auto{border-color:#c8b48a;color:#8a7433;background:#fdf9ef}
.tag.fixed{border-color:#8fc4b1;color:#1f6f5c;background:#f0f8f5}
.bi{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);background:#fff;margin-bottom:12px}
.bi>div{padding:16px 18px}
.bi .src{border-right:1px solid var(--line-2);background:#fbfcfb}
.bi .lbl{font-size:11px;letter-spacing:.14em;color:#8b968f;margin-bottom:8px}
.bi .han{font-family:var(--serif);font-size:16.5px;line-height:2.05;color:#22302c}
.bi .ko{font-size:15px;line-height:1.95}
.bi:hover{border-color:var(--era)}
.row{display:flex;gap:14px;padding:13px 0;border-bottom:1px solid var(--line-2)}
.row:last-child{border-bottom:0}
.row .n{font-size:12px;color:#9aa5a0;width:26px;flex:none;font-variant-numeric:tabular-nums;padding-top:3px}
.row .t{font-weight:500}
.row .t a{text-decoration:none}
.row .t a:hover{text-decoration:underline}
.vids{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.vid{background:#fff;border:1px solid var(--line)}
.vid .thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--era) 0%,#2a3330 100%);opacity:.85;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;letter-spacing:.1em;font-family:var(--serif)}
.vid .b{padding:10px 12px}
.vid .b .t{font-size:13.5px;font-weight:500;line-height:1.45}
.vid .b .m{font-size:11.5px;color:#8b968f;margin-top:5px}
.status{background:#fff;border:1px solid var(--line);padding:14px 18px;display:flex;gap:26px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-2);margin-bottom:14px}
.status b{color:var(--ink);font-variant-numeric:tabular-nums;font-size:15px;font-weight:700;display:block;font-family:var(--serif)}
.map{aspect-ratio:21/8;background:#f4f6f4;border:1px dashed var(--line);display:flex;align-items:center;justify-content:center;color:#9aa5a0;font-size:13px;margin-bottom:14px}
.hero{background:var(--surface);border:1px solid var(--line);padding:34px 32px;margin-bottom:16px}
.hero h1{font-family:var(--serif);font-size:34px;margin:0 0 10px;letter-spacing:-.02em;line-height:1.35}
.hero p{margin:0;max-width:60ch;color:var(--ink-2)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.ecard{background:#fff;border:1px solid var(--line);text-decoration:none;display:block}
.ecard .top{height:6px;background:var(--c)}
.ecard .b{padding:16px 18px}
.ecard .nm{font-family:var(--serif);font-size:20px;font-weight:700}
.ecard .yr{font-size:12px;color:#8b968f;font-variant-numeric:tabular-nums;margin-top:2px}
.ecard .ov{font-size:13px;color:var(--ink-2);margin-top:10px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ecard:hover{border-color:var(--c)}
footer{border-top:1px solid var(--line);background:#fff}
footer .w{max-width:1280px;margin:0 auto;padding:22px 20px 34px;font-size:12.5px;color:#8b968f;display:flex;gap:20px;flex-wrap:wrap}
footer a{text-decoration:none}
@media(max-width:900px){
  main{grid-template-columns:1fr}
  nav.toc{position:static;display:flex;gap:6px;overflow-x:auto}
  nav.toc h2{display:none}
  nav.toc a{border-left:0;border-bottom:2px solid var(--line-2);white-space:nowrap}
  nav.toc a.on{border-left:0;border-bottom:2px solid var(--era)}
  nav.toc .cnt{display:none}
  .strata-in{overflow-x:auto}
  .era-btn{min-width:112px;flex:0 0 auto}
  .bi{grid-template-columns:1fr}
  .bi .src{border-right:0;border-bottom:1px solid var(--line-2)}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.pills{display:flex;flex-wrap:wrap;gap:6px}
.pill{display:inline-flex;align-items:center;gap:6px;text-decoration:none;font-size:12.5px;
  border:1px solid var(--line);border-radius:2px;padding:4px 9px;color:var(--ink-2);background:#fff}
.pill i{font-style:normal;font-size:11px;color:#9aa5a0;font-variant-numeric:tabular-nums}
.pill:hover{border-color:var(--era);color:var(--ink)}
.pill.on{background:var(--era);border-color:var(--era);color:#fff}
.pill.on i{color:rgba(255,255,255,.75)}
.pager{display:flex;gap:4px;align-items:center;flex-wrap:wrap;margin:6px 0 30px}
.pager a{display:inline-block;min-width:30px;text-align:center;padding:5px 8px;border:1px solid var(--line);
  background:#fff;text-decoration:none;font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.pager a:hover{border-color:var(--era)}
.pager a.on{background:var(--era);border-color:var(--era);color:#fff;font-weight:700}
.pager .pinfo{margin-left:auto;font-size:12px;color:#9aa5a0}
.empty{color:var(--ink-2);font-size:13.5px}
.chunk{padding:16px 18px}
.chead{display:flex;align-items:baseline;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.chead b{font-family:var(--serif);font-size:16px}
.tag.none{border-color:var(--line);color:#9aa5a0;background:#fafbfa}
.row .yr{width:96px;flex:none;font-variant-numeric:tabular-nums;color:var(--era);font-weight:700;font-family:var(--serif)}
.ecard .ec{font-size:11.5px;color:#8b968f;margin-top:10px;font-variant-numeric:tabular-nums}
.han{font-family:var(--serif)}
.tb{width:100%;border-collapse:collapse;font-size:13.5px}
.tb th{text-align:left;font-size:11.5px;letter-spacing:.1em;color:#8b968f;font-weight:500;
  border-bottom:1px solid var(--line);padding:6px 8px}
.tb td{padding:7px 8px;border-bottom:1px solid var(--line-2);font-variant-numeric:tabular-nums}
.vid{text-decoration:none;color:inherit;display:block}