/* Content, navigation and accessible controls shared by six independent designs. */
:root {
  --bg: #fff;
  --ink: #202223;
  --muted: #697174;
  --accent: #315647;
  --card: #fff;
  --line: #dce0dd;
  --chip: #eef2ee;
  --radius: 4px;
  --max: 1240px;
  --sans: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --serif: "Noto Serif KR", Georgia, serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 14px; line-height: 1.7; word-break: keep-all; overflow-wrap: anywhere; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
button, a, input { touch-action: manipulation; }
img { max-width: 100%; height: auto; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
[hidden] { display: none !important; }
::selection { background: var(--accent); color: #fff; }
.wrap { width: min(var(--max), calc(100% - 80px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: -100px; left: 20px; z-index: 100; padding: 12px 20px; background: var(--ink); color: var(--bg); font-weight: 700; }
.skip-link:focus { top: 10px; }
.site-header { position: relative; z-index: 20; border-bottom: 1px solid var(--line); background: var(--bg); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 86px; gap: 25px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; line-height: 1.15; }
.brand-mark { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid currentColor; color: var(--accent); font-size: 24px; }
.brand-text { display: flex; flex-direction: column; gap: 6px; }
.brand-name { font-size: 27px; font-weight: 800; letter-spacing: -1px; }
.brand-type { color: var(--muted); font-size: 8px; letter-spacing: 1.8px; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { padding-block: 10px; font-size: 12px; color: var(--muted); }
.nav a:hover, .nav a.is-active, .nav a[aria-current=page] { color: var(--accent); }
.nav a.is-active { box-shadow: 0 2px var(--accent); }
.menu-btn { display: none; min-height: 42px; padding: 7px 12px; border: 1px solid var(--line); background: var(--card); border-radius: var(--radius); font-size: 12px; }
.header-search { display: flex; align-items: center; gap: 7px; flex: 1; max-width: 420px; }
.header-search input { width: 100%; min-width: 0; padding: 8px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); font-size: 12px; }
.header-search button { flex-shrink: 0; border: 0; background: transparent; font-size: 12px; white-space: nowrap; }
.hero { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 50px; padding-block: 50px; }
.hero-copy { min-width: 0; }
.kicker { display: flex; align-items: center; gap: 9px; margin: 0; color: var(--accent); font-size: 10px; letter-spacing: 1.8px; font-weight: 700; text-transform: uppercase; }
.hero h1 { margin: 20px 0; font-size: clamp(34px, 3.5vw, 52px); font-weight: 700; line-height: 1.35; letter-spacing: -2px; white-space: pre-line; }
.lede { max-width: 500px; color: var(--muted); font-size: 14px; line-height: 1.9; margin: 0; }
.hero-note { color: var(--muted); font-size: 10px; margin-top: 25px; }
.hero-visual { margin: 0; min-width: 0; position: relative; overflow: hidden; }
.hero-visual img { display: block; width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.hero-visual figcaption, .hero-caption { margin-top: 10px; color: var(--muted); font-size: 10px; letter-spacing: 1px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-actions a { display: inline-flex; align-items: center; justify-content: center; gap: 16px; padding: 9px 16px; background: var(--accent); color: #fff; font-size: 11px; font-weight: 600; border: 1px solid var(--accent); border-radius: var(--radius); }
.hero-actions a:nth-child(n+2) { color: var(--accent); background: transparent; }
.hero-stamp { position: absolute; right: 16px; bottom: 16px; padding: 8px 12px; background: var(--bg); border: 1px solid var(--line); font-size: 10px; }
.category-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 45px; border-block: 1px solid var(--line); }
.category-card { position: relative; display: flex; align-items: flex-start; gap: 13px; min-width: 0; padding: 22px 18px; border-right: 1px solid var(--line); }
.category-card:last-child { border-right: 0; }
.category-card:hover { background: var(--chip); }
.category-card > div { min-width: 0; }
.category-icon { display: grid; place-items: center; flex-shrink: 0; min-width: 22px; color: var(--accent); font-family: monospace; font-size: 14px; }
.category-card h2, .category-card h3 { margin: 0 0 5px; font-size: 14px; line-height: 1.5; }
.category-card p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.category-arrow { margin-left: auto; color: var(--accent); font-size: 14px; }
.category-photo { display: block; overflow: hidden; }
.category-photo img, img.category-photo { display: block; width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.content-shell { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 40px; align-items: start; margin-bottom: 70px; }
.content-main, .sidebar, .entry-copy { min-width: 0; }
#latest { scroll-margin-top: 25px; }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; padding-bottom: 16px; margin-bottom: 20px; border-bottom: 1px solid var(--ink); }
.section-heading h2 { margin: 0; font-size: 24px; letter-spacing: -.7px; line-height: 1.4; }
.section-heading p { margin: 8px 0 0; color: var(--muted); font-size: 11px; }
.section-heading .kicker { margin: 0 0 7px; font-size: 9px; letter-spacing: 1.5px; }
.section-link { flex-shrink: 0; color: var(--muted); font-size: 10px; white-space: nowrap; }
.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.toolbar form, form[data-search-form] { display: flex; align-items: center; gap: 6px; width: 100%; }
.search { display: flex; gap: 8px; width: 100%; min-width: 0; padding: 4px 5px 4px 13px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.search input { width: 100%; min-width: 0; min-height: 34px; padding: 0; border: 0; background: transparent; font-size: 12px; }
.search input::placeholder { color: var(--muted); opacity: 1; }
.toolbar button, [data-search-form] button { min-height: 34px; padding: 5px 14px; border: 0; border-radius: var(--radius); background: var(--chip); font-size: 11px; white-space: nowrap; }
.results-status, [data-results-status], .page-summary { color: var(--muted); font-size: 11px; }
.toolbar .results-status { flex-shrink: 0; white-space: nowrap; }
.toolbar .results-status:empty { display: none; }
.toolbar.has-archive-filter { flex-wrap: wrap; max-width: none; }
.has-archive-filter .search { flex: 1 1 240px; width: auto; }
.archive-filter { display: flex; align-items: center; gap: 8px; min-width: 0; color: var(--muted); font-size: 11px; }
.archive-filter select { min-height: 38px; max-width: 100%; padding: 6px 9px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); color: var(--ink); }
.archive-notice { margin: 0 0 16px; color: var(--muted); font-size: 11px; line-height: 1.8; }
.article > .archive-notice { padding: 12px 15px; border-left: 2px solid var(--accent); background: var(--chip); }
.content-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.content-entry { display: flex; flex-direction: column; min-width: 0; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.card { display: block; height: 100%; }
.content-entry h2, .content-entry h3 { margin: 9px 0 12px; font-size: 19px; letter-spacing: -.5px; line-height: 1.5; }
.content-entry a:hover h3 { color: var(--accent); }
.excerpt { margin: 0 0 14px; color: var(--muted); font-size: 12px; line-height: 1.85; }
.meta { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 12px; color: var(--muted); font-size: 10px; }
.meta .topic, .entry-topic { color: var(--accent); font-weight: 600; }
.thumb { display: block; width: 100%; aspect-ratio: 16/10; margin-bottom: 16px; object-fit: cover; }
.tags { display: flex; flex-wrap: wrap; gap: 5px; }
.tag { display: inline-block; padding: 2px 7px; border-radius: 3px; background: var(--chip); color: var(--accent); font-size: 10px; }
.empty-state, .empty { grid-column: 1/-1; padding: 30px; border: 1px dashed var(--line); background: var(--card); color: var(--muted); font-size: 12px; }
.empty-state h2, .empty-state h3 { margin: 0 0 8px; color: var(--ink); font-size: 18px; }
.empty-state p { margin: 0; }
.empty-symbol, .question-marker { display: none; }
.side-card { padding: 25px; margin-bottom: 22px; background: var(--chip); border-top: 3px solid var(--accent); }
.side-card > .kicker { margin: 0 0 15px; font-size: 8px; line-height: 1.6; }
.side-card h2, .side-card h3 { margin: 0 0 15px; font-size: 17px; line-height: 1.5; letter-spacing: -.4px; }
.side-card p { margin: 0 0 20px; color: var(--muted); font-size: 12px; line-height: 1.85; }
.side-card a { display: inline-flex; align-items: center; padding-bottom: 3px; color: var(--accent); font-size: 11px; }
.side-links { display: flex; flex-wrap: wrap; gap: 10px; }
.topic-side { background: transparent; border: 1px solid var(--line); }
.topic-side nav { display: flex; flex-direction: column; }
.topic-side nav a { justify-content: space-between; gap: 15px; padding: 9px 0; border-top: 1px solid var(--line); }
.side-card ul { list-style: none; padding: 0; margin: 0; }
.side-card li { padding-block: 10px; border-top: 1px solid var(--line); font-size: 12px; }
.pagination { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 7px; margin-block: 28px; }
.pagination a, .pagination button { display: grid; place-items: center; min-width: 36px; min-height: 36px; padding: 6px 10px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); font-size: 12px; }
.pagination [aria-current=page] { background: var(--accent); border-color: var(--accent); color: #fff; }
.page-summary { flex-basis: 100%; text-align: center; }
.native-placement { margin-block: 22px; min-width: 0; }
.native-card { display: flex; align-items: center; gap: 18px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.native-card img { width: 30%; max-width: 200px; aspect-ratio: 4/3; object-fit: cover; }
.native-card h3 { margin: 0 0 8px; font-size: 16px; line-height: 1.5; }
.native-card p { margin: 0; color: var(--muted); font-size: 11px; }
.native-sidebar .native-card { display: block; }
.native-sidebar .native-card img { width: 100%; max-width: none; margin-bottom: 15px; }
.content-list > .native-home-feed { grid-column: 1/-1; margin-block: 0; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 25px; color: var(--muted); font-size: 11px; }
.crumbs a { text-decoration: underline; text-underline-offset: 3px; }
.topic-page .hero > .crumbs { grid-column: 1/-1; margin: 0; }
.topic-page .hero { row-gap: 15px; }
.topic-page .hero h1 { font-size: 42px; }
.article { max-width: 800px; padding-block: 50px 80px; }
.article h1, .page-title { margin: 15px 0 23px; font-size: clamp(30px, 4vw, 46px); letter-spacing: -1.5px; line-height: 1.4; }
.article > .meta { padding-bottom: 23px; margin-bottom: 30px; border-bottom: 1px solid var(--line); }
.article .body { font-size: 16px; line-height: 2; }
.body p { margin: 0 0 1.5em; }
.body h2 { margin: 2.3em 0 .8em; font-size: 25px; line-height: 1.5; letter-spacing: -.7px; }
.body h3 { margin: 1.8em 0 .7em; font-size: 20px; }
.body a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.body ul, .body ol { padding-left: 1.4em; }
.body li { padding-left: .2em; margin-block: .5em; }
.body blockquote { padding: 8px 0 8px 25px; margin: 2em 0; border-left: 3px solid var(--accent); color: var(--muted); }
.body .note { padding: 20px; background: var(--chip); border: 1px solid var(--line); }
.article figure, .art-fig { margin: 30px 0; }
.article figure img, .art-fig img { display: block; width: 100%; }
.article figcaption, .art-fig figcaption { margin-top: 8px; color: var(--muted); font-size: 11px; }
.article-links { display: flex; flex-wrap: wrap; gap: 20px; padding-top: 25px; margin-top: 40px; border-top: 1px solid var(--line); color: var(--accent); font-size: 12px; }
.steps { display: grid; gap: 15px; margin-block: 30px; }
.step { display: grid; grid-template-columns: 36px 1fr; gap: 20px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.step-num { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; }
.step h2, .step h3 { margin-top: 0; }
.table-wrap { width: 100%; overflow: auto; margin-block: 30px; border: 1px solid var(--line); background: var(--card); }
.data-table { width: 100%; min-width: 520px; border-collapse: collapse; font-size: 13px; }
.data-table th, .data-table td { padding: 15px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.data-table th { background: var(--chip); color: var(--accent); font-size: 11px; }
.data-table tr:last-child td { border-bottom: 0; }
.site-footer { padding-block: 30px 40px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 11px; }
.site-footer strong { display: block; margin-bottom: 5px; color: var(--ink); font-size: 16px; }
.footer-inner p { margin: 0; }
.footer-links { display: flex; gap: 20px; }
.intro-strip, .topic-rail, .reading-guide, .comparison-intro, .board-notice, .question-intro { color: var(--muted); font-size: 12px; }
.intro-strip { display: flex; justify-content: space-between; gap: 20px; padding: 17px 0; border-top: 1px solid var(--line); }
.intro-strip p { margin: 0; font-size: 10px; }
.reading-guide { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 25px; }
.reading-guide h2, .comparison-intro h2, .question-intro h2 { margin: 0; color: var(--ink); font-size: 22px; }
.reading-guide p, .comparison-intro p, .question-intro p { margin: 0; }
.comparison-intro { padding-left: 18px; margin-bottom: 25px; border-left: 3px solid var(--accent); }
.comparison-intro .kicker { margin-bottom: 6px; }
.comparison-intro > p:last-child { margin-top: 8px; font-size: 11px; }
.board-notice { display: flex; align-items: center; gap: 15px; padding: 12px 17px; margin-bottom: 20px; border: 1px solid var(--line); background: var(--chip); }
.board-notice .notice-label { white-space: nowrap; font-weight: 700; }
.board-notice p { flex: 1; margin: 0; }
.board-notice a { font-size: 10px; }
.list-heading { display: flex; justify-content: space-between; padding: 10px 18px; border-block: 1px solid var(--line); background: var(--chip); color: var(--muted); font-size: 11px; }
.question-intro { padding-block: 18px; margin-bottom: 25px; border-block: 1px solid var(--line); }
.question-prompt { color: var(--accent); font-size: 20px; font-weight: 700; }
.spotlight-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-block: 25px 45px; }
.spotlight-card { min-width: 0; }
.spotlight-card img { display: block; width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.spotlight-copy { padding-top: 15px; }
.feature-topic { color: var(--accent); font-size: 10px; font-weight: 700; }
.feature-title { margin: 8px 0; font-size: 21px; line-height: 1.5; letter-spacing: -.5px; }
.feature-excerpt { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.not-found { min-height: 60vh; }
.not-found .text-link { display: inline-block; margin-top: 24px; color: var(--accent); text-decoration: underline; }
@media (max-width: 1050px) {
  .wrap { width: calc(100% - 48px); }
  .nav { gap: 16px; }
  .hero { gap: 30px; }
  .content-shell { grid-template-columns: minmax(0, 1fr) 220px; gap: 25px; }
  .category-card { padding-inline: 14px; }
  .header-search { max-width: 260px; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 36px); }
  .header-inner { min-height: 70px; gap: 12px; }
  .brand-name { font-size: 24px; }
  .brand-type { font-size: 7px; letter-spacing: 1.4px; }
  .menu-btn { display: inline-flex; align-items: center; }
  .nav { display: none; }
  .nav.is-open { display: flex; position: absolute; top: 100%; left: 18px; right: 18px; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px; border: 1px solid var(--line); background: var(--card); box-shadow: 0 12px 20px #00000012; }
  .nav a { display: flex; align-items: center; min-height: 44px; padding-inline: 5px; }
  .header-search { display: none; }
  .hero { grid-template-columns: 1fr; gap: 25px; padding-block: 32px; }
  .hero h1 { font-size: 34px; letter-spacing: -1.6px; }
  .lede { max-width: none; font-size: 13px; }
  .hero-note { font-size: 9px; }
  .hero-visual img { aspect-ratio: 1.4; }
  .hero-actions { gap: 9px; }
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 30px; }
  .category-card { padding: 17px 12px; gap: 9px; }
  .category-card:nth-child(even) { border-right: 0; }
  .category-card:nth-child(n+3) { border-top: 1px solid var(--line); }
  .category-card h3 { font-size: 13px; }
  .category-card p { font-size: 10px; }
  .content-shell { grid-template-columns: 1fr; gap: 28px; margin-bottom: 40px; }
  .section-heading { gap: 10px; margin-bottom: 15px; }
  .section-heading h2 { font-size: 22px; }
  .section-heading .kicker { font-size: 8px; }
  .section-link { font-size: 9px; }
  .content-list { grid-template-columns: 1fr; gap: 18px; }
  .content-entry { padding: 18px; }
  .content-entry h3 { font-size: 19px; }
  .side-card { padding: 22px; }
  .toolbar { gap: 7px; }
  .toolbar .results-status { font-size: 9px; }
  .native-card { gap: 12px; padding: 16px; }
  .native-card h3 { font-size: 14px; }
  .native-card p { font-size: 10px; }
  .article { padding-block: 30px 55px; }
  .article h1, .page-title { font-size: 30px; letter-spacing: -1px; }
  .article .body { font-size: 14px; }
  .body h2 { font-size: 22px; }
  .body h3 { font-size: 18px; }
  .step { grid-template-columns: 30px 1fr; gap: 14px; padding: 18px; }
  .step-num { width: 30px; height: 30px; font-size: 12px; }
  .table-wrap { max-width: 100%; }
  .intro-strip, .reading-guide { flex-direction: column; align-items: flex-start; gap: 8px; }
  .board-notice { flex-wrap: wrap; gap: 7px; }
  .board-notice > div { width: 100%; }
  .board-notice p { font-size: 10px; }
  .topic-page .hero h1 { font-size: 32px; }
  .spotlight-grid { grid-template-columns: 1fr; gap: 25px; }
  .feature-title { font-size: 21px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 15px; font-size: 10px; }
  .site-footer { padding-block: 25px 30px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}