:root {
  color-scheme: light;
  --ink: #1c1915;
  --muted: #5c564c;
  --line: #e4ddd2;
  --paper: #faf7f2;
  --accent: #8c3d2f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", "Noto Serif SC", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
}

header, main, footer {
  width: min(40rem, calc(100% - 2rem));
  margin: 0 auto;
}

header {
  padding: 2.5rem 0 1rem;
  border-bottom: 1px solid var(--line);
}

.mark {
  width: 2rem;
  height: 2rem;
  display: block;
}

h1 {
  margin: 0.8rem 0 0;
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

nav {
  display: flex;
  gap: 1.2rem;
  margin-top: 1rem;
}

nav a, footer a {
  color: var(--accent);
  text-decoration: none;
}

nav a:hover, footer a:hover { text-decoration: underline; }

main { padding: 1.5rem 0 2rem; }

h2 { font-size: 1.25rem; margin: 1.6rem 0 0.4rem; }

p, li { font-size: 1.05rem; }

.muted { color: var(--muted); }

footer {
  padding: 1rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}