:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1b1f24;
  --muted: #5a6370;
  --card: #f4f6f9;
  --line: #d9dee5;
  --accent: #1a56db;
  --accent-fg: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151a;
    --fg: #e8ebf0;
    --muted: #a3acb9;
    --card: #1b2028;
    --line: #2d3541;
    --accent: #7aa7ff;
    --accent-fg: #0b1220;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

/* 한국어는 낱말 중간에서 줄을 바꾸지 않는다 */
:lang(ko) { word-break: keep-all; overflow-wrap: anywhere; }

a { color: var(--accent); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-fg);
  padding: 8px 12px;
}
.skip:focus { left: 8px; z-index: 10; }

header.site {
  border-bottom: 1px solid var(--line);
}
header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  font-weight: 700;
  text-decoration: none;
}
.brand img { border-radius: 8px; }
nav.main { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-left: auto; align-items: center; }
nav.main a { color: var(--fg); text-decoration: none; }
nav.main a:hover { text-decoration: underline; }
.lang { border: 1px solid var(--line); border-radius: 6px; padding: 2px 10px; }

main { padding-bottom: 48px; }
h1 { font-size: 2rem; line-height: 1.25; margin: 40px 0 12px; }
h2 { font-size: 1.4rem; line-height: 1.3; margin: 48px 0 12px; }
h3 { font-size: 1.1rem; margin: 24px 0 8px; }
p, li { max-width: 70ch; }
.lead { font-size: 1.15rem; color: var(--muted); }
.facts { color: var(--muted); font-size: 0.95rem; }

.stores { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 8px; }
.store {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  font-weight: 600;
}
a.store {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
  text-decoration: none;
}
a.store:hover { filter: brightness(1.08); }
.store-pending { background: var(--card); color: var(--muted); font-weight: 400; }

.review-ask { margin: 48px 0 24px; padding: 16px 20px; border: 1px solid var(--accent); border-radius: 12px; background: var(--card); }
.review-ask p { margin: 0; }
.review-ask .stores { margin: 12px 0 0; }
.review-ask[hidden] { display: none; }

figure { margin: 24px 0; }
figure img, figure video {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
}
figcaption { color: var(--muted); font-size: 0.92rem; margin-top: 8px; }

.feature { display: grid; gap: 20px; align-items: center; margin: 16px 0 32px; }
.feature ul { margin: 0; }
@media (min-width: 800px) {
  .feature { grid-template-columns: 1fr 1fr; }
}

/* 첫 화면: 왼쪽 글, 오른쪽 세로 영상 */
.hero { display: grid; gap: 8px 40px; align-items: start; }
.hero .short { margin: 8px auto 0; width: min(300px, 80vw); }
.hero .short video { aspect-ratio: 9 / 16; border-radius: 16px; }
@media (min-width: 800px) {
  .hero { grid-template-columns: 1fr 300px; }
  .hero .short { margin: 40px 0 0; width: 300px; }
}
.tour video { aspect-ratio: 16 / 9; }

/* 가이드 */
.crumbs { margin-top: 24px; font-size: 0.95rem; color: var(--muted); }
.crumbs a { color: var(--muted); }
.crumbs + h1 { margin-top: 8px; }
.guide figure video { aspect-ratio: 16 / 9; max-width: 720px; }
.toc ol { margin: 0; padding-left: 1.4em; }
.toc h2 { font-size: 1rem; margin: 0 0 4px; }
.ver {
  border-left: 4px solid var(--line);
  padding: 2px 0 2px 12px;
  color: var(--muted);
}
.ver strong { color: var(--fg); }
.guide-nav { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); }
.guide-list { list-style: none; padding: 0; display: grid; gap: 12px; }
@media (min-width: 700px) { .guide-list { grid-template-columns: 1fr 1fr; } }
.guide-list li { max-width: none; }
.guide-list a {
  display: block;
  height: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 18px;
  text-decoration: none;
}
.guide-list a:hover { border-color: var(--accent); }
.guide-list strong { display: block; }
.guide-list span { display: block; color: var(--muted); font-size: 0.95rem; }
kbd {
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 0 5px;
  font: 0.9em ui-monospace, SFMono-Regular, Menlo, monospace;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 20px;
}
.card > :first-child { margin-top: 0; }
.card > :last-child { margin-bottom: 0; }
.note { border-left: 4px solid var(--accent); margin: 16px 0; }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; margin: 16px 0; }
th, td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; vertical-align: top; }
th { background: var(--card); }
/* 좁은 화면에서는 표의 행을 카드처럼 세로로 쌓는다(td 의 data-label 을 머리말로) */
@media (max-width: 600px) {
  table.stack thead { display: none; }
  table.stack, table.stack tbody, table.stack tr, table.stack th, table.stack td { display: block; width: 100%; }
  table.stack tr { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 12px; overflow: hidden; }
  table.stack th, table.stack td { border: 0; border-top: 1px solid var(--line); }
  table.stack tr > :first-child { border-top: 0; }
  table.stack td[data-label]::before { content: attr(data-label); display: block; color: var(--muted); font-size: 0.85rem; }
  table.stack td:empty { display: none; }
}

code {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 4px;
  font-size: 0.92em;
  overflow-wrap: anywhere;
}

footer.site {
  border-top: 1px solid var(--line);
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.95rem;
}
footer.site ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; }