:root {
  color-scheme: light;
  --bg: #f6f1e8;
  --ink: #1f1c18;
  --muted: #6f675e;
  --line: #ddd4c4;
  --accent: #3f5b4a;
}
* { box-sizing: border-box; }
html { font-size: 18px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Iowan Old Style", Palatino, "Palatino Linotype", "Songti SC", "Noto Serif SC", serif;
  line-height: 1.75;
}
.wrap { max-width: 38rem; margin: 0 auto; padding: 4.5rem 1.4rem 5rem; }
header h1 { margin: 0; font-size: 2.4rem; font-weight: 500; letter-spacing: 0.12em; }
header p { margin: 0.45rem 0 0; color: var(--muted); }
nav { margin-top: 1.5rem; padding-top: 0.8rem; border-top: 1px solid var(--line); font-size: 0.92rem; }
nav a { color: var(--accent); text-decoration: none; margin-right: 1.1rem; }
nav a:hover { text-decoration: underline; }
article { margin-top: 2.2rem; }
article h2 { margin: 0 0 0.4rem; font-size: 1.2rem; font-weight: 500; }
article p { margin: 0.7rem 0; }
.note { margin-top: 1.8rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.note time { display: block; color: var(--muted); font-size: 0.86rem; }
footer { margin-top: 3rem; color: var(--muted); font-size: 0.86rem; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.92em; }