:root {
  --paper: #F6F1E7;
  --ink: #1B2A41;
  --teal: #2F7F7A;
  --coral: #E08A6D;
  --body: #3D4A5C;
  --quiet: #5A5F66;
  --rule: #D8CFBF;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--body);
  font: 17px/1.6 var(--sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; width: 100%; max-width: 640px; margin: 0 auto; padding: 56px 16px 40px; }
h1, h2 { font-family: var(--serif); color: var(--ink); font-weight: 600; line-height: 1.15; }
h1 { font-size: 40px; margin: 20px 0 8px; }
h2 { font-size: 22px; margin: 32px 0 8px; }
a { color: var(--teal); }
.mark { width: 104px; height: 104px; display: block; }
.tagline { font-family: var(--serif); font-size: 24px; color: var(--ink); margin: 0 0 20px; }
.intro { font-size: 18px; margin: 0 0 28px; }
.button {
  display: inline-block; background: var(--ink); color: var(--paper);
  text-decoration: none; padding: 12px 22px; border-radius: 999px; font-weight: 600;
}
.button:hover { background: var(--teal); }
.note { font-size: 15px; color: var(--quiet); border-top: 1px solid var(--rule); margin-top: 40px; padding-top: 20px; }
.back { display: inline-block; margin-bottom: 8px; text-decoration: none; font-size: 15px; }
.legal p { margin: 0 0 12px; }
footer {
  max-width: 640px; width: 100%; margin: 0 auto; padding: 20px 16px 32px;
  border-top: 1px solid var(--rule); font-size: 14px; color: var(--quiet);
  display: flex; flex-wrap: wrap; gap: 8px 20px;
}
footer a { color: var(--quiet); }