/* 정적 콘텐츠 페이지(가이드·정책 등) 공통 스타일 */
:root {
  --c-bg: #ffffff;
  --c-fg: #1a1a1a;
  --c-muted: #5f6368;
  --c-line: #e6e6e6;
  --c-accent: #2d6cdf;
  --c-soft: #f5f7fa;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Pretendard Variable", Pretendard, "Noto Sans KR", system-ui, -apple-system, sans-serif;
  color: var(--c-fg);
  background: var(--c-bg);
  line-height: 1.7;
  font-size: 17px;
  word-break: keep-all;
}
.site-header {
  border-bottom: 1px solid var(--c-line);
  background: var(--c-bg);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  max-width: 820px;
  margin: 0 auto;
  padding: 14px 20px;
}
.site-header .brand {
  font-weight: 800;
  font-size: 18px;
  color: var(--c-fg);
  text-decoration: none;
  white-space: nowrap;
}
.site-nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 15px;
}
.site-nav a { color: var(--c-muted); text-decoration: none; }
.site-nav a:hover { color: var(--c-accent); }
main {
  max-width: 820px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}
h1 { font-size: 30px; line-height: 1.3; margin: 12px 0 8px; }
h2 { font-size: 22px; margin: 36px 0 12px; padding-top: 8px; }
h3 { font-size: 18px; margin: 24px 0 8px; }
p, li { color: #2a2a2a; }
a { color: var(--c-accent); }
ul, ol { padding-left: 22px; }
li { margin: 6px 0; }
hr { border: 0; border-top: 1px solid var(--c-line); margin: 32px 0; }
code {
  background: var(--c-soft);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.92em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.top-back {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--c-muted);
  text-decoration: none;
  font-size: 15px;
}
.top-back:hover { color: var(--c-accent); }
.lead { font-size: 18px; color: var(--c-muted); margin-bottom: 8px; }
.updated { font-size: 14px; color: var(--c-muted); }
.callout {
  background: var(--c-soft);
  border: 1px solid var(--c-line);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 18px 0;
}
.faq dt { font-weight: 700; margin-top: 18px; }
.faq dd { margin: 6px 0 0; color: #2a2a2a; }
.glossary dt { font-weight: 700; margin-top: 16px; }
.glossary dd { margin: 4px 0 0; color: #2a2a2a; }
.ad-slot { margin: 28px 0; min-height: 100px; text-align: center; }
.site-footer {
  border-top: 1px solid var(--c-line);
  background: var(--c-soft);
  color: var(--c-muted);
  font-size: 14px;
}
.site-footer .wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 24px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: space-between;
}
.site-footer a { color: var(--c-muted); text-decoration: none; }
.site-footer a:hover { color: var(--c-accent); }
.back-app {
  display: inline-block;
  margin-top: 8px;
  padding: 10px 16px;
  background: #111827;
  color: #fff;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  h1 { font-size: 25px; }
  h2 { font-size: 20px; }
}