:root {
  --bg: #ffffff;
  --text: #1c1c1e;
  --secondary: #6c6c70;
  --card: #f2f2f7;
  --rule: #e5e5ea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --text: #f2f2f7;
    --secondary: #98989f;
    --card: #1c1c1e;
    --rule: #2c2c2e;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
main { max-width: 680px; margin: 0 auto; padding: 48px 20px 64px; }
h1 { font-size: 34px; line-height: 1.15; margin: 0 0 6px; letter-spacing: -0.02em; }
.updated { color: var(--secondary); margin: 0 0 28px; font-size: 15px; }
.summary, .contact {
  background: var(--card);
  border-radius: 18px;
  padding: 18px 22px;
  margin: 0 0 36px;
}
.summary p { margin: 0 0 8px; font-weight: 600; }
.contact p { margin: 0; }
.summary ul { margin: 0; padding-left: 20px; }
.summary li { margin: 4px 0; }
h2 {
  font-size: 21px;
  margin: 36px 0 8px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  letter-spacing: -0.01em;
}
ul { padding-left: 22px; }
li { margin: 6px 0; }
a { color: var(--text); text-decoration-thickness: 1px; text-underline-offset: 3px; }
footer { color: var(--secondary); font-size: 15px; margin-top: 44px; }
footer a { color: var(--secondary); }
.hero { text-align: center; padding-top: 24px; }
.hero img { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 12px 36px rgba(130, 90, 255, 0.28); }
.hero h1 { margin-top: 20px; }
.hero p { color: var(--secondary); font-size: 19px; margin: 6px 0 0; }
.hero p.slogan { color: var(--text); font-size: 21px; font-weight: 600; margin-top: 8px; }
.links { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 32px 0 0; }
.links a {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}