/* JY public site (4310) — the "공책" notebook design (owner 10-12): warm paper, serif display, one video frame.
   Light only. Owner pages use site.css + owner.css. */

@font-face { font-family: 'Manrope'; src: url('fonts/Manrope-Variable.woff2') format('woff2-variations'); font-weight: 200 800; font-display: swap; }
@font-face { font-family: 'Pretendard Variable'; src: url('fonts/PretendardVariable.woff2') format('woff2-variations'); font-weight: 45 920; font-display: swap; }
@font-face { font-family: 'Newsreader'; src: url('fonts/Newsreader-Variable.woff2') format('woff2-variations'); font-weight: 200 800; font-style: normal; font-display: swap; }

:root {
  color-scheme: light;
  --bg: #f6f2e9; --panel: #ece6d9; --card: #fbf8f2;
  --ink: #26221c; --ink-2: #4c463b; --ink-3: #736b5e; --line: #dcd3c2; --rule: rgba(120, 104, 78, .14);
  --accent: #3e4f78; --accent-t: #e1e5ee; --x: #a8432f; --x-t: #f0d9d0;
  --sans: 'Pretendard Variable', 'Noto Sans JP', 'Yu Gothic UI', 'Meiryo', 'Malgun Gothic', system-ui, sans-serif;
  --num: 'Manrope', 'Pretendard Variable', system-ui, sans-serif;
  /* display serif: the app's notebook faces (one family per script, as in the app) */
  --serif: 'Noto Serif KR Variable', 'Newsreader', 'Batang', serif;
  --fig: 'Newsreader', Georgia, serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.7 var(--sans); word-break: keep-all; overflow-wrap: anywhere; }
/* JA: Japanese fonts first. Pretendard carries Korean-style Hanja, so a Pretendard-first stack would mix Korean kanji shapes with fallback kana. */
body.lang-ja { --sans: 'Hiragino Sans', 'Yu Gothic UI', 'Meiryo', 'Noto Sans JP', system-ui, sans-serif; --serif: 'Noto Serif JP Variable', 'Yu Mincho', 'Hiragino Mincho ProN', serif; word-break: normal; line-break: strict; }
body.lang-en { --serif: 'Newsreader', Georgia, serif; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.preview { background: #fff3cf; color: #6f5210; text-align: center; font-size: 13px; font-weight: 600; padding: 6px 16px; }
.wrap { --gutter: 28px; max-width: 1120px; margin: 0 auto; padding: 0 var(--gutter); }

/* nav */
.nav { display: flex; align-items: center; gap: 22px; height: 68px; font-size: 14.5px; }
.nav .mark { font: 600 23px/1 var(--fig); text-decoration: none; }
.nav .links { display: flex; gap: 4px; margin-left: auto; }
.nav .links a { padding: 5px 10px; border-radius: 999px; text-decoration: none; color: var(--ink-2); white-space: nowrap; }
.nav .links a:hover { color: var(--ink); background: var(--panel); }
.nav .links a.is-on { color: var(--ink); font-weight: 650; }
.langs { display: flex; gap: 2px; font-size: 13.5px; }
.lang { padding: 3px 8px; border-radius: 999px; color: var(--ink-3); text-decoration: none; }
.lang:hover { color: var(--ink); background: var(--panel); }
.lang.is-on { color: var(--ink); background: var(--panel); font-weight: 600; }

/* ---------------------------------------------------------------- home (lib/home.mjs) */

/* first screen: one headline, one line, the start link, and the video frame */
.hero { padding: 40px 0 0; text-align: center; }
.hero h1 { max-width: 860px; margin: 0 auto; font: 600 clamp(32px, 4.3vw, 52px)/1.32 var(--serif); letter-spacing: -.025em; text-wrap: balance; }
.lang-en .hero h1 { letter-spacing: -.01em; font-weight: 500; }
.hero__sub { margin: 16px auto 0; max-width: 640px; font-size: 18px; color: var(--ink-2); text-wrap: balance; }
.hero__go { margin: 22px 0 0; font-size: 16px; }
.hero__go a { color: var(--accent); font-weight: 650; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.hero__go a:hover { border-bottom-width: 2px; }

.frame { max-width: 1040px; margin: 36px auto 0; }
.frame__media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--card); box-shadow: 0 30px 60px -42px rgba(60, 46, 26, .45); }
.frame__media > video, .frame__media > img { display: block; width: 100%; height: 100%; object-fit: cover; }
/* without real media the hero has no frame: the features follow a little closer */
.hero:not(:has(.frame)) + .feats { padding-top: 80px; }

/* the two features: short ruled rows */
.feats { padding: 112px 0 0; }
.feat { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 48px; padding: 26px 0; border-top: 1px solid var(--line); }
.feat:last-child { border-bottom: 1px solid var(--line); }
.feat h2 { margin: 0; font: 600 24px/1.35 var(--serif); letter-spacing: -.015em; }
.feat p { margin: 0; max-width: 620px; font-size: 17px; color: var(--ink-2); }

/* the results: one ruled row per exam - name, n/N, %, the wrong items in small type, web-off as a second line */
.proof { padding: 112px 0 0; scroll-margin-top: 16px; }
.proof__head h2 { margin: 0; font: 600 32px/1.3 var(--serif); letter-spacing: -.02em; }
.proof__head p { margin: 8px 0 0; font-size: 14.5px; color: var(--ink-3); }
.proof__head a { color: var(--accent); }
.proof__pending { margin: 14px 0 0; color: var(--ink-2); }
.xl { margin-top: 36px; }
.xl + .xl { margin-top: 48px; }
.xl__gh { margin: 0 0 8px; font-size: 13px; font-weight: 650; color: var(--ink-3); }
.xl__list { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); }
.xl__row { display: grid; grid-template-columns: minmax(0, 1fr) auto 4.6em; grid-template-areas: "name num pct" "note note note" "wrong wrong wrong"; column-gap: 28px; align-items: baseline; padding: 16px 0 15px; }
.xl__row--alt { grid-template-areas: "name num pct" "note note note" "wrong wrong wrong" "alt anum apct"; }
.xl__row + .xl__row { border-top: 1px solid var(--line); }
.xl__name { grid-area: name; min-width: 0; margin: 0; font: 600 18.5px/1.45 var(--serif); letter-spacing: -.01em; }
.xl__name a { text-decoration: none; }
.xl__name a:hover { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.xl__lv { display: inline-block; margin-left: 9px; padding: 0 6px; border: 1px solid var(--line); border-radius: 4px; font: 600 11.5px/1.6 var(--num); color: var(--ink-2); vertical-align: 2px; letter-spacing: 0; }
.xl__note { grid-area: note; margin: 1px 0 0; font-size: 13px; line-height: 1.5; color: var(--ink-3); }
.xl__num { grid-area: num; margin: 0; text-align: right; white-space: nowrap; font-family: var(--fig); font-variant-numeric: lining-nums tabular-nums; }
.xl__num b { font-size: 30px; font-weight: 500; letter-spacing: -.01em; }
.xl__num span { margin-left: 1px; font-size: 16px; color: var(--ink-3); }
.xl__pct { grid-area: pct; margin: 0; text-align: right; white-space: nowrap; font: 600 15px/1 var(--num); font-variant-numeric: tabular-nums; color: var(--ink-2); }
.xl__wrong { grid-area: wrong; margin: 6px 0 0; font-size: 13.5px; line-height: 1.55; color: var(--ink-3); }
.xl__alt { grid-area: alt; margin: 9px 0 0; font-size: 13.5px; color: var(--ink-2); }
.xl__num.xl--alt { grid-area: anum; margin-top: 9px; }
.xl__num.xl--alt b { font-size: 18px; color: var(--ink-2); }
.xl__num.xl--alt span { font-size: 13px; }
.xl__pct.xl--alt { grid-area: apct; margin-top: 9px; font-size: 13px; color: var(--ink-3); }
/* the test conditions as labelled fields */
.proof__cond { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 28px; margin: 48px 0 0; padding: 0; }
.proof__cond div { padding: 12px 0; border-top: 1px solid var(--line); }
.proof__cond dt { font-size: 12.5px; font-weight: 600; color: var(--ink-3); }
.proof__cond dd { margin: 2px 0 0; font-size: 14.5px; }
.proof__foot { margin: 14px 0 0; max-width: 780px; font-size: 13.5px; color: var(--ink-3); }

/* before you start */
.before { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 18px 48px; padding: 112px 0 112px; }
.before h2 { margin: 0; font: 600 24px/1.4 var(--serif); text-wrap: balance; }
.before__facts { list-style: none; margin: 0; padding: 0; color: var(--ink-2); }
.before__facts li { padding: 12px 0; border-top: 1px solid var(--line); }
.before__facts li:last-child { border-bottom: 1px solid var(--line); }
.before__links { display: flex; flex-wrap: wrap; gap: 6px 22px; margin: 18px 0 0; font-size: 15px; }
.before__links a { color: var(--accent); font-weight: 600; text-decoration: none; }
.before__links a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------------------------------------------------------------- results pages (lib/scores.mjs) */
.sc-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 24px; }
.sc-head h1 { margin: 32px 0 8px; font: 600 36px/1.3 var(--serif); letter-spacing: -.02em; }
.lead { margin: 0 0 28px; color: var(--ink-2); max-width: 640px; }
.vsel { margin: 0; font-size: 14px; color: var(--ink-3); }
.vsel b { font: 650 14px/1 var(--num); color: var(--ink); }
details.vsel { position: relative; }
details.vsel summary { cursor: pointer; list-style: none; padding: 5px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); }
details.vsel summary::-webkit-details-marker { display: none; }
details.vsel summary::after { content: ' ▾'; color: var(--ink-3); }
details.vsel ul { position: absolute; right: 0; z-index: 2; min-width: 160px; margin: 6px 0 0; padding: 6px; list-style: none; background: var(--card); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 8px 24px rgba(40, 30, 16, .08); }
details.vsel a { display: block; padding: 6px 10px; border-radius: 6px; text-decoration: none; font-family: var(--num); }
details.vsel a:hover, details.vsel a[aria-current] { background: var(--panel); }
.sc-cond { display: flex; flex-wrap: wrap; gap: 6px; margin: -12px 0 24px; padding: 0; font-size: 13.5px; color: var(--ink-2); }
.sc-cond span { padding: 3px 11px; border-radius: 999px; background: var(--panel); }
.sc-cond span:first-child { font-family: var(--num); font-weight: 650; color: var(--ink); }
.exrows { list-style: none; margin: 0; padding: 0; border-bottom: 1px solid var(--line); }
.exrow { display: grid; grid-template-columns: minmax(0, 1fr) 300px 170px 20px; gap: 24px; align-items: center; padding: 22px 4px; border-top: 1px solid var(--line); text-decoration: none; transition: background .15s; }
.exrow:hover { background: var(--card); }
.exrow__name b { display: block; font: 600 19px/1.4 var(--serif); }
.exrow__name small { display: block; margin-top: 3px; font-size: 13.5px; color: var(--ink-3); line-height: 1.5; }
.exrow__score { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 4px 14px; }
.exrow__pct { font: 500 32px/1 var(--fig); font-variant-numeric: lining-nums; }
.exrow__score small { grid-column: 1 / -1; font: 500 13px/1.4 var(--num); color: var(--ink-3); }
.bar { display: block; height: 6px; border-radius: 3px; background: #e4ddcf; overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 3px; background: var(--accent); }
.exrow__ask { font-size: 13.5px; color: var(--ink-2); }
.exrow__go { color: var(--ink-3); font-size: 18px; text-align: right; }
.exrow:hover .exrow__go { color: var(--accent); }
.sc-web { margin: 16px 0 0; font-size: 14.5px; color: var(--ink-2); max-width: 760px; }
.sc-web + .sc-foot { margin-top: 6px; }
.how dd small { display: block; margin-top: 2px; font-size: 13.5px; color: var(--ink-3); }
.sc-foot { margin: 16px 0 48px; font-size: 13.5px; color: var(--ink-3); max-width: 720px; }
.dh__note { margin: 10px 0 0; font-size: 14px; color: var(--ink-3); }
.draws { list-style: none; margin: 0; padding: 0; }
.draws li { display: flex; gap: 14px; align-items: baseline; padding: 10px 0; border-top: 1px solid var(--line); font-size: 14.5px; }
.draws li span:first-child { min-width: 56px; color: var(--ink-3); }
.draws b { font: 700 16px/1 var(--num); min-width: 56px; }
.draws li span:last-child { font-family: var(--num); color: var(--ink-2); }
.cells-legend { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0 0 18px; font-size: 13.5px; color: var(--ink-3); }
.cells-legend span { display: inline-flex; align-items: center; gap: 7px; }
.cells-legend .c { width: 14px; height: 14px; }
.part { display: flex; justify-content: space-between; gap: 12px; margin: 26px 0 8px; padding-bottom: 6px; border-bottom: 1px solid var(--line); font-size: 15px; font-weight: 700; }
.part:first-of-type { margin-top: 0; }
.part b { font: 600 14px/1.6 var(--num); color: var(--ink-2); }
.subjs { list-style: none; margin: 0; padding: 0; }
.subj { padding: 12px 0 14px; }
.subj + .subj { border-top: 1px dashed var(--line); }
.subj__h { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 8px; font-size: 15px; }
.subj__h b { font: 600 14px/1.6 var(--num); color: var(--ink-2); white-space: nowrap; }
.cells { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px; }
.c { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 6px; background: var(--panel); color: var(--ink-3); font: 600 10.5px/1 var(--num); }
.c--x { background: var(--x-t); color: var(--x); box-shadow: inset 0 0 0 1px #e2b2a4; }
.c--h { background: linear-gradient(135deg, var(--panel) 50%, var(--x-t) 50%); color: var(--x); box-shadow: inset 0 0 0 1px #e2b2a4; }
.c--u { background: transparent; box-shadow: inset 0 0 0 1px var(--line); }

/* detail pages */
.crumb { display: inline-block; margin: 24px 0 0; font-size: 15px; color: var(--ink-3); text-decoration: none; }
.crumb:hover { color: var(--ink); }
.dh { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: end; padding: 28px 0 36px; border-bottom: 1px solid var(--line); }
.dh h1 { margin: 0; font: 600 36px/1.3 var(--serif); letter-spacing: -.02em; }
.dh .pt { font-size: 18px; color: var(--ink-2); }
.dh .sc { font: 500 64px/1 var(--fig); font-variant-numeric: lining-nums; text-align: right; }
.dh .sc small { display: block; margin-top: 8px; font: 500 15px/1.5 var(--num); color: var(--ink-3); }
.two { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; padding: 40px 0 64px; }
.two h2 { margin: 0 0 10px; font: 600 18px/1.4 var(--serif); }
.two section > h2 ~ h2 { margin-top: 32px; }
.how { margin: 0; }
.how div { padding: 12px 0; border-top: 1px solid var(--line); }
.how dt { font-size: 13px; color: var(--ink-3); font-weight: 600; }
.how dd { margin: 2px 0 0; }
.limits { margin: 14px 0 0; font-size: 13.5px; color: var(--ink-3); }
.res + .res { margin-top: 40px; padding-top: 24px; border-top: 2px solid var(--ink); }
.two .res__h { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin: 0; font: 600 16px/1.4 var(--sans); }
.res__h b { font: 500 26px/1 var(--fig); font-variant-numeric: lining-nums; }
.res__h small { font: 500 13.5px/1.4 var(--num); color: var(--ink-3); }
.res__note { margin: 6px 0 16px; font-size: 13.5px; color: var(--ink-3); }
/* privacy: ruled rows */
.priv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 48px; list-style: none; margin: 24px 0 64px; padding: 0; }
.priv li { padding: 20px 0; border-top: 1px solid var(--line); }
.priv b { display: block; margin-bottom: 4px; font: 600 18px/1.4 var(--serif); }
.priv p { margin: 0; color: var(--ink-2); }

/* footer */
.foot { display: flex; justify-content: space-between; gap: 16px; padding-top: 28px; padding-bottom: 48px; background: linear-gradient(var(--line), var(--line)) no-repeat var(--gutter) 0 / calc(100% - 2 * var(--gutter)) 1px; font-size: 14px; color: var(--ink-3); }
.foot a { color: var(--ink-3); }

/* content pages: start / guide / faq (data/public-pages.json) */
.doc { padding: 8px 0 72px; }
.doc-head { padding: 40px 0 28px; border-bottom: 1px solid var(--line); }
.doc-head h1 { margin: 0; font: 600 40px/1.25 var(--serif); letter-spacing: -.02em; }
.doc-head p { margin: 10px 0 0; font-size: 18px; color: var(--ink-2); }
.doc-grid { display: grid; grid-template-columns: 220px minmax(0, 680px); gap: 56px; padding-top: 12px; }
.doc-toc { position: sticky; top: 24px; list-style: none; margin: 28px 0 0; padding: 0; font-size: 14px; }
.doc-toc li { padding: 5px 0; }
.doc-toc a { color: var(--ink-3); text-decoration: none; }
.doc-toc a:hover { color: var(--ink); }
.doc-sec { padding: 28px 0 4px; scroll-margin-top: 16px; }
.doc-sec + .doc-sec { border-top: 1px solid var(--line); }
.doc-sec h2 { margin: 0 0 10px; font: 600 21px/1.4 var(--serif); letter-spacing: -.01em; }
.doc-sec p { margin: 0 0 10px; color: var(--ink-2); }
.doc-list { margin: 0 0 12px; padding-left: 20px; color: var(--ink-2); }
.doc-list li { padding: 3px 0; }
.doc-ex { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; margin: 4px 0 14px; }
.doc-ex span { font-size: 13px; color: var(--ink-3); margin-right: 2px; }
.doc-ex q { quotes: none; padding: 4px 12px; border-radius: 999px; background: var(--panel); font-size: 14px; color: var(--ink); }
.doc-note { padding: 10px 14px; border-left: 3px solid var(--line); background: var(--card); border-radius: 0 6px 6px 0; font-size: 14.5px; }
.qa { margin: 0; }
.qa > div { padding: 12px 0; }
.qa > div + div { border-top: 1px dashed var(--line); }
.qa dt { font-weight: 650; font-size: 16.5px; }
.qa dd { margin: 4px 0 0; color: var(--ink-2); }
.doc-next { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: baseline; margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 15px; }
.doc-next span { color: var(--ink-3); font-size: 13.5px; }
.doc-next a { color: var(--accent); text-decoration: none; font-weight: 600; }
.doc-next a:hover { text-decoration: underline; text-underline-offset: 3px; }
.priv + .doc-next { margin-top: 0; margin-bottom: 56px; }

/* 404 in three languages */
.nf { padding: 72px 0 96px; }
.nf h1 { margin: 0 0 20px; font: 500 72px/1 var(--fig); }
.nf ul { list-style: none; margin: 0; padding: 0; font-size: 17px; }
.nf li { padding: 8px 0; border-top: 1px solid var(--line); }
.nf a { color: var(--accent); text-decoration: none; font-weight: 600; margin-left: 6px; }

@media (max-width: 980px) { .exrow { grid-template-columns: minmax(0, 1fr) 260px 20px; } .exrow__ask { display: none; } }
@media (max-width: 860px) {
  .doc-grid { grid-template-columns: 1fr; gap: 0; }
  .doc-grid aside { display: none; }
  .doc-head { padding: 28px 0 22px; }
  .doc-head h1 { font-size: 32px; }
}
@media (max-width: 760px) {
  .wrap { --gutter: 16px; }
  .nav { flex-wrap: wrap; height: auto; gap: 0 12px; padding-top: 14px; }
  .nav .langs { margin-left: auto; }
  .nav .links { order: 3; flex-basis: 100%; margin: 8px -16px 0; padding: 0 12px 6px; overflow-x: auto; scrollbar-width: none; border-bottom: 1px solid var(--line); }
  .nav .links a { padding: 6px 10px; }
  .hero { padding-top: 32px; }
  .hero h1 { font-size: 30px; }
  .hero__sub { font-size: 16.5px; }
  .frame { margin: 28px -16px 0; }
  .frame__media { border-radius: 0; border-left: 0; border-right: 0; }
  .feats, .proof { padding-top: 72px; }
  .feat, .before, .two, .priv { grid-template-columns: 1fr; }
  .feat { gap: 6px; padding: 20px 0; }
  .feat h2 { font-size: 21px; }
  .feat p { font-size: 16px; }
  .proof__head h2 { font-size: 26px; }
  .xl__row { column-gap: 12px; grid-template-columns: minmax(0, 1fr) auto 3.9em; padding: 14px 0 13px; }
  .xl__name { font-size: 17px; }
  .xl__num b { font-size: 25px; }
  .xl__num span { font-size: 14px; }
  .xl__pct { font-size: 13.5px; }
  .proof__cond { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; margin-top: 36px; }
  .before { padding: 72px 0 80px; }
  .dh { grid-template-columns: 1fr; }
  .dh h1 { font-size: 30px; }
  .dh .sc { text-align: left; font-size: 52px; }
  .exrow { grid-template-columns: minmax(0, 1fr) 20px; gap: 12px; padding: 18px 0; }
  .exrow__score { grid-column: 1; grid-row: 2; }
  .exrow__go { grid-row: 1 / span 2; grid-column: 2; }
  .sc-head h1 { font-size: 30px; }
  .foot { flex-direction: column; }
}
@media (max-width: 420px) {
  .nav .links { gap: 0; }
  .nav .links a { padding: 6px 7px; font-size: 14px; }
}