:root {
  --bg: #ffffff;
  --text: #191f28;
  --muted: #6b7684;
  --line: #e5e8eb;
  --tile: #f2f4f6;
  --accent: #3182f6;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17171c;
    --text: #e4e4e5;
    --muted: #9e9ea4;
    --line: #2c2c35;
    --tile: #202027;
    --accent: #4c9bff;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Pretendard", "Noto Sans KR", "Segoe UI", Roboto, sans-serif;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header.site {
  border-bottom: 1px solid var(--line);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { font-weight: 800; font-size: 20px; color: var(--text); letter-spacing: -0.3px; }
.brand span { color: var(--accent); }
nav a { margin-left: 18px; color: var(--muted); font-size: 15px; }
.hero { padding: 72px 0 40px; }
.hero h1 { font-size: 36px; line-height: 1.3; margin: 0 0 14px; letter-spacing: -0.8px; }
.hero p { color: var(--muted); font-size: 18px; margin: 0; }
.apps { padding: 24px 0 64px; }
.apps h2 { font-size: 15px; color: var(--muted); font-weight: 600; margin: 0 0 14px; }
.card {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--tile); border-radius: 20px; padding: 22px;
}
.card img { width: 64px; height: 64px; border-radius: 16px; flex: none; }
.card h3 { margin: 0 0 4px; font-size: 19px; }
.card p { margin: 0 0 10px; color: var(--muted); font-size: 15px; }
.card .links a { margin-right: 14px; font-size: 14px; }
footer.site {
  border-top: 1px solid var(--line); color: var(--muted); font-size: 13px;
  padding: 24px 0 40px;
}
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 6px 16px; justify-content: space-between; }
/* 문서(개인정보처리방침) */
.doc { padding: 40px 0 64px; }
.doc h1 { font-size: 28px; line-height: 1.35; letter-spacing: -0.5px; margin: 0 0 8px; }
.doc h2 { font-size: 22px; margin: 48px 0 8px; padding-top: 16px; border-top: 1px solid var(--line); }
.doc h3 { font-size: 17px; margin: 28px 0 6px; }
.doc ul { padding-left: 22px; }
.doc li { margin: 4px 0; }
.doc code { background: var(--tile); padding: 1px 6px; border-radius: 6px; font-size: 0.92em; }
.table { overflow-x: auto; margin: 12px 0; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--tile); }
@media (max-width: 520px) {
  .hero { padding: 48px 0 28px; }
  .hero h1 { font-size: 28px; }
  .card { padding: 18px; }
}
hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }