:root {
  --paper: #f1e4c8;
  --card: #fbf4e2;
  --ink: #2b1d14;
  --secondary: #6e5640;
  --brass: #80591a;
  --hairline: #d9c7a2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: linear-gradient(#f5ead2, var(--paper) 40%, #e9d8b4) fixed;
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

header { text-align: center; margin-bottom: 32px; }
header .kanji { font: 600 56px/1.1 "Hiragino Mincho ProN", "Yu Mincho", serif; margin: 0; }
header h1 { font: 700 26px/1.3 ui-monospace, Menlo, monospace; margin: 8px 0 4px; }
header p { color: var(--secondary); margin: 0; }

section {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  padding: 20px 24px;
  margin-bottom: 20px;
}

h2 { font: 700 18px/1.3 ui-monospace, Menlo, monospace; margin: 0 0 8px; }
p, ul { margin: 0 0 12px; }
section > :last-child { margin-bottom: 0; }
a { color: var(--brass); }
nav { text-align: center; margin-top: 32px; color: var(--secondary); font-size: 15px; }
nav a { margin: 0 8px; }
.updated { color: var(--secondary); font-size: 15px; }