:root {
  --paper: #f7f4ee; --ink: #1c1b19; --muted: #4e4940; --accent: #2b4c7e; --line: #d6cfc2;
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #151412; --ink: #e9e4dc; --muted: #cdc6ba; --accent: #a9c0e8; --line: #4a453e; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans JP", sans-serif;
}
header {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  max-width: 720px; margin: 0 auto; padding: 20px; border-bottom: 1px solid var(--line);
}
header .name { font-size: 22px; font-weight: 600; color: var(--ink); text-decoration: none; }
header nav a { color: var(--accent); text-decoration: none; margin-left: 20px; }
header nav a:hover, main a:hover { text-decoration: underline; }
main { max-width: 720px; margin: 0 auto; padding: 8px 20px 48px; }
h1 { font-size: 30px; font-weight: 500; margin: 32px 0 8px; }
h2 { font-size: 20px; font-weight: 600; color: var(--accent); margin: 32px 0 8px; }
.sub { color: var(--muted); margin-top: 0; }
.glyph { font-size: 72px; line-height: 1; margin: 32px 0 0; }
main a { color: var(--accent); }
li { margin: 4px 0; }
footer {
  max-width: 720px; margin: 0 auto; padding: 16px 20px 32px;
  border-top: 1px solid var(--line); color: var(--muted); font-size: 14px;
}