:root {
  color-scheme: dark;
  --bg: #0b0e12;
  --surface: #11151b;
  --surface-2: #171c24;
  --text: #e9edf2;
  --muted: #969eaa;
  --line: #252c36;
  --accent: #65d6bd;
  --link: #dce5f4;
  --good: #72c7b5;
  font-family: Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
:root[data-theme="light"] { color-scheme: light; --bg:#f7f8f7; --surface:#fff; --surface-2:#eef3f1; --text:#17191d; --muted:#626873; --line:#dadddf; --accent:#167c68; --link:#202b3a; --good:#247d6f; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin:0; background:var(--bg); color:var(--text); }
a { color:var(--link); text-underline-offset:3px; }
button,input { font:inherit; }
img { max-width:100%; height:auto; display:block; }
.site-header { position:sticky; top:0; z-index:30; border-bottom:1px solid var(--line); background:color-mix(in srgb,var(--bg) 88%,transparent); backdrop-filter:blur(14px); }
.header-inner { max-width:1180px; height:58px; margin:auto; padding:0 28px; display:flex; align-items:center; justify-content:space-between; gap:20px; }
.wordmark { color:var(--text); text-decoration:none; font-size:13px; font-weight:720; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.header-actions { display:flex; gap:8px; }
.header-actions button { border:1px solid var(--line); background:var(--surface); color:var(--muted); border-radius:7px; padding:7px 10px; cursor:pointer; }
kbd { margin-left:18px; color:var(--muted); font-size:10px; }
.home-container,.article-container { width:min(100% - 40px,980px); margin:0 auto; }
.page-heading { padding:84px 0 30px; }
.eyebrow { color:var(--accent); font-size:11px; font-weight:750; letter-spacing:.09em; text-transform:uppercase; }
.page-heading h1 { margin:12px 0 15px; font-size:clamp(46px,7vw,84px); line-height:.96; letter-spacing:-.07em; overflow-wrap:anywhere; }
.page-heading h2 { margin:38px 0 12px; font-size:23px; }
.page-heading p { max-width:760px; color:var(--muted); line-height:1.8; }
.updated { font-size:12px; }
.research-strip { display:flex; flex-wrap:wrap; gap:8px; margin-top:24px; }
.research-strip span,.detail-heading .eyebrow span { border:1px solid var(--line); background:var(--surface); padding:7px 10px; border-radius:999px; color:var(--muted); font-size:11px; }
.home-visual,.article-visual { margin:20px 0 56px; border:1px solid var(--line); border-radius:14px; overflow:hidden; background:var(--surface); }
.home-visual img,.article-visual img { width:100%; aspect-ratio:2/1; object-fit:cover; }
figcaption { padding:12px 16px; color:var(--muted); font-size:12px; line-height:1.65; }
.page-index>h2 { font-size:30px; }
.page-index>p { color:var(--muted); line-height:1.8; }
.topic-group { padding:24px 0 35px; border-top:1px solid var(--line); }
.topic-group h2 { font-size:14px; color:var(--accent); }
.page-list { margin:0; padding-left:24px; display:grid; gap:10px; }
.page-list li { padding-left:8px; }
.page-list a { font-size:15px; line-height:1.55; font-weight:620; overflow-wrap:anywhere; }
.page-list span { display:block; color:var(--muted); font-size:11px; margin-top:3px; }
.breadcrumb { display:flex; gap:10px; padding-top:38px; color:var(--muted); font-size:12px; }
.detail-heading { padding:45px 0 24px; }
.detail-heading .eyebrow { display:flex; flex-wrap:wrap; gap:7px; }
.detail-heading h1 { max-width:900px; margin:18px 0; font-size:clamp(38px,6vw,68px); line-height:1.05; letter-spacing:-.055em; overflow-wrap:anywhere; }
.detail-heading>p { color:var(--muted); font-size:12px; }
.answer-card { display:grid; grid-template-columns:110px 1fr; gap:22px; padding:24px; border:1px solid color-mix(in srgb,var(--accent) 42%,var(--line)); background:color-mix(in srgb,var(--accent) 7%,var(--surface)); border-radius:12px; }
.answer-card strong { color:var(--accent); }
.answer-card p { margin:0; line-height:1.85; }
.inline-source { padding-top:10px; color:var(--muted); font-size:11px; }
.article-visual { margin-top:38px; margin-bottom:0; }
.article-body { max-width:780px; margin:0 auto; padding:60px 0 100px; }
.article-body h2 { margin:52px 0 16px; font-size:26px; letter-spacing:-.035em; overflow-wrap:anywhere; }
.article-body h3 { margin:32px 0 12px; font-size:19px; overflow-wrap:anywhere; }
.article-body p,.article-body li { color:color-mix(in srgb,var(--text) 78%,var(--muted)); font-size:15px; line-height:1.92; word-break:keep-all; }
.content-subsection,.workflow { padding-bottom:12px; }
.takeaways,.toc,.safety-note,.cta-card { margin:38px 0; padding:22px; background:var(--surface); border:1px solid var(--line); border-radius:11px; }
.takeaways h2,.cta-card h2 { margin:0 0 12px; font-size:17px; }
.takeaways ul,.toc ol { margin:0; padding-left:20px; }
.toc strong { display:block; margin-bottom:11px; }
.toc a { font-size:13px; }
.table-scroll { overflow-x:auto; border:1px solid var(--line); border-radius:10px; }
table { width:100%; min-width:620px; border-collapse:collapse; }
th,td { padding:15px; border-bottom:1px solid var(--line); text-align:left; vertical-align:top; font-size:13px; line-height:1.7; }
th { color:var(--text); background:var(--surface); }
.mistake-list,.record-list { padding-left:23px; }
.mistake-list li,.record-list li { margin:17px 0; }
.mistake-list p { margin:4px 0; }
.safety-note { border-color:color-mix(in srgb,var(--accent) 40%,var(--line)); }
.safety-note strong { color:var(--accent); }
.faq-list details { border-top:1px solid var(--line); }
.faq-list summary { padding:18px 2px; cursor:pointer; font-weight:650; line-height:1.55; overflow-wrap:anywhere; }
.faq-list details p { margin:-4px 0 20px; color:var(--muted); }
.source-disclaimer { font-size:13px!important; color:var(--muted)!important; }
.source-list { padding-left:20px; }
.source-list li { margin:18px 0; }
.source-list p { margin:4px 0; font-size:13px; color:var(--muted); }
.related-list { padding-left:20px; }
.related-list li { margin:10px 0; }
.site-footer { border-top:1px solid var(--line); background:color-mix(in srgb,var(--bg) 70%,#000); }
.footer-inner { width:min(100% - 40px,1080px); margin:auto; padding:46px 0 70px; }
.footer-brand { display:flex; flex-direction:column; gap:6px; margin-bottom:23px; }
.footer-brand span { color:var(--muted); font-size:12px; }
.footer-inner p { margin:8px 0; color:var(--muted); font-size:12px; line-height:1.7; word-break:keep-all; }
.separation-note { margin-top:22px!important; padding:12px; border:1px solid var(--line); border-radius:8px; color:var(--accent)!important; }
.search-layer { position:fixed; inset:0; z-index:80; background:rgba(0,0,0,.72); padding:8vh 20px; }
.search-dialog { max-width:720px; max-height:84vh; overflow:auto; margin:auto; border:1px solid var(--line); border-radius:13px; background:var(--surface); box-shadow:0 30px 90px rgba(0,0,0,.4); }
.search-row { display:flex; gap:8px; padding:15px; border-bottom:1px solid var(--line); }
.search-row input { flex:1; min-width:0; padding:12px; background:var(--bg); color:var(--text); border:1px solid var(--line); border-radius:7px; }
.search-row button { border:1px solid var(--line); background:var(--surface-2); color:var(--text); border-radius:7px; padding:0 14px; cursor:pointer; }
.search-count { margin:15px; color:var(--muted); font-size:12px; }
.search-results { display:grid; }
.search-results a { padding:13px 15px; border-top:1px solid var(--line); text-decoration:none; }
.search-results strong { display:block; font-size:13px; line-height:1.5; }
.search-results span { color:var(--muted); font-size:11px; }
.dialog-open { overflow:hidden; }
@media (max-width:680px) {
  .header-inner { padding:0 18px; }
  .search-open { font-size:0; }
  .search-open::before { content:"검색"; font-size:12px; }
  .search-open kbd { display:none; }
  .home-container,.article-container { width:min(100% - 28px,980px); }
  .page-heading { padding-top:55px; }
  .page-heading h1 { font-size:43px; }
  .detail-heading h1 { font-size:38px; }
  .answer-card { grid-template-columns:1fr; gap:10px; padding:19px; }
  .article-body { padding-top:42px; }
  .article-body h2 { font-size:23px; }
  .article-body p,.article-body li,.footer-inner p { overflow-wrap:anywhere; word-break:keep-all; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }