:root{--ink:#222;--muted:#666;--line:#e3e3e3;--accent:#1f5fae;--bg:#fff;--soft:#f6f7f9}
@media (prefers-color-scheme:dark){:root{--ink:#e8e8e8;--muted:#a3a3a3;--line:#333;--accent:#7fb0ff;--bg:#141414;--soft:#1d1d1d}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Malgun Gothic","Apple SD Gothic Neo",sans-serif;word-break:keep-all}
a{color:inherit}
.wrap{max-width:980px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--bg);padding:6px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
header{border-bottom:2px solid var(--ink)}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 16px 10px}
.brand{font-size:22px;font-weight:800;text-decoration:none}
.search{display:flex}.search input{width:180px;padding:6px 8px;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
.search button{padding:6px 10px;border:1px solid var(--line);border-left:0;background:var(--soft);color:var(--ink);cursor:pointer}
.gnb{display:flex;flex-wrap:wrap;gap:4px 18px;padding:8px 16px 12px;font-weight:700}
.gnb a{text-decoration:none}.gnb a:hover{color:var(--accent)}
main{padding:24px 16px 48px;min-height:60vh}
h1{font-size:26px;line-height:1.4;margin:0 0 12px}
.intro{color:var(--muted);margin-top:0}
.board{width:100%;border-collapse:collapse;border-top:1px solid var(--ink)}
.board th{font-size:14px;font-weight:700;padding:10px 8px;border-bottom:1px solid var(--line);background:var(--soft)}
.board td{padding:11px 8px;border-bottom:1px solid var(--line);font-size:15px}
.board .c-cat,.board .c-date,.board .c-author{white-space:nowrap;text-align:center;color:var(--muted);font-size:14px}
.board .c-cat a{text-decoration:none}
.board .c-title a{text-decoration:none}.board .c-title a:hover{color:var(--accent);text-decoration:underline}
.pager{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:24px 0}
.pager a,.pager b{min-width:34px;padding:4px 8px;text-align:center;border:1px solid var(--line);text-decoration:none}
.pager b{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.empty{padding:40px 0;text-align:center;color:var(--muted)}
.post{max-width:760px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:8px}.crumbs a{text-decoration:none}
.meta{display:flex;flex-wrap:wrap;gap:4px 14px;color:var(--muted);font-size:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.hero{width:100%;height:auto;margin:20px 0;border-radius:6px}
.lead{font-size:17px;padding:16px 18px;background:var(--soft);border-radius:6px}
.post h2{font-size:21px;margin:36px 0 10px;padding-left:10px;border-left:4px solid var(--accent)}
.tbl{overflow-x:auto;margin:14px 0}
.post table{width:100%;border-collapse:collapse;font-size:15px}
.post th,.post td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.post th{background:var(--soft)}
.faq{border:1px solid var(--line);border-radius:6px;padding:10px 14px;margin:8px 0}
.faq summary{font-weight:700;cursor:pointer}.faq p{margin:8px 0 0}
.sources{font-size:14px}
.note{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin-top:32px}
.prevnext{display:flex;justify-content:space-between;gap:16px;margin:28px 0;font-size:14px;max-width:760px}
.prevnext a{text-decoration:none;color:var(--muted)}.prevnext a:hover{color:var(--accent)}
.related{margin-top:32px}.related h2{font-size:18px}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px;padding:18px 0}
footer a{text-decoration:none}
@media (max-width:640px){
  h1{font-size:22px}
  .brand{font-size:19px}
  .search input{width:120px}
  .board .c-author,.board .c-cat{display:none}
  .board .c-date{font-size:12px}
}