:root {
  color-scheme: light dark;
  --text: #1c1c1e;
  --muted: #636366;
  --border: #e5e5ea;
  --bg: #ffffff;
  --accent: #007aff;
  --card: #f2f2f7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --text: #f2f2f7;
    --muted: #aeaeb2;
    --border: #38383a;
    --bg: #1c1c1e;
    --accent: #0a84ff;
    --card: #2c2c2e;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}
.wrap { width: 100%; max-width: 480px; margin: 0 auto; padding: 40px 24px 48px; text-align: center; }
.app-name { font-size: 13px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
h1 { font-size: 1.45rem; line-height: 1.3; margin: 0 0 8px; }
.subtitle { color: var(--muted); font-size: 15px; margin: 0 0 28px; }
.section { text-align: left; margin-bottom: 24px; }
.section h2 { font-size: 14px; color: var(--muted); margin: 0 0 10px; font-weight: 600; }
.choices { display: flex; flex-direction: column; gap: 10px; }
.choice {
  display: block;
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
}
.choice small { display: block; margin-top: 4px; font-size: 13px; font-weight: 400; color: var(--muted); }
.choice:hover, .choice:focus { border-color: var(--accent); outline: none; }
footer { margin-top: 32px; font-size: 13px; color: var(--muted); }
footer a { color: var(--accent); text-decoration: none; }