:root {
  --bg: #ffffff;
  --text: #1a1a1a;
  --muted: #5f6368;
  --line: #e6e6e6;
  --soft: #f7f7f5;
  --accent: #1f4d3a;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  overflow-wrap: break-word;
  word-break: keep-all;
}

a { color: var(--accent); }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-header { border-bottom: 1px solid var(--line); }
.bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.wordmark {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
  text-decoration: none;
}
nav { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 15px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }
nav a[aria-current="page"] { font-weight: 600; }
nav .lang {
  color: var(--accent);
  font-weight: 600;
}

/* Content */
main { padding-bottom: 48px; }
h1 { font-size: 32px; line-height: 1.25; margin: 40px 0 12px; }
h2 { font-size: 22px; line-height: 1.3; margin: 40px 0 12px; }
h3 { font-size: 18px; margin: 0 0 6px; }
.lead { font-size: 20px; color: var(--text); margin: 0 0 12px; }
.muted { color: var(--muted); }

.hero { padding: 24px 0 8px; }
.hero h1 { font-size: 40px; margin-top: 32px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.cards article {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
}
.cards p { margin: 0; color: #333; }

.doc h1 { margin-bottom: 4px; }
.doc ul, .doc ol { padding-left: 1.3em; }
.doc li { margin-bottom: 8px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--soft);
  font-size: 14px;
  color: #333;
  padding: 24px 0 32px;
}
.biz { margin: 0; }
.biz div {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2px 16px;
  padding: 4px 0;
}
.biz dt { color: var(--muted); }
.biz dd { margin: 0; }
.copy { margin: 16px 0 0; color: var(--muted); }

@media (max-width: 600px) {
  body { font-size: 16px; }
  h1, .hero h1 { font-size: 30px; }
  .biz div { grid-template-columns: 1fr; padding: 6px 0; }
}