:root {
  --bg: #f7f5f1;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --line: #ddd6c8;
  --card: #ffffff;
  --accent: #1f4d3a;
  --accent-soft: #e7f0eb;
  --warn: #6b4f00;
  --warn-bg: #fff6db;
  --max: 44rem;
}

* { box-sizing: border-box; }
html { font-size: 18px; }
body {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.brand {
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.brand span { color: var(--accent); font-weight: 600; }
nav a {
  margin-right: 1rem;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}
nav a:hover { color: var(--accent); }
h1, h2, h3 {
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 700;
}
h1 { font-size: 2rem; margin: 1.25rem 0 0.75rem; }
h2 { font-size: 1.35rem; margin: 2rem 0 0.6rem; }
h3 { font-size: 1.1rem; margin: 1.4rem 0 0.4rem; }
p, li { color: var(--ink); }
.lede { font-size: 1.1rem; color: var(--muted); }
.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 1.25rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  margin: 1rem 0;
}
.note {
  background: var(--warn-bg);
  border: 1px solid #ead9a0;
  color: var(--warn);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
}
.disclosure {
  background: var(--accent-soft);
  border: 1px solid #c5d9cd;
  border-radius: 8px;
  padding: 0.85rem 1rem;
  font-size: 0.92rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: var(--card);
  border: 1px solid var(--line);
}
th, td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 0.65rem 0.55rem;
  vertical-align: top;
}
th { background: #f0ebe3; font-size: 0.85rem; }
.list-plain { padding-left: 1.1rem; }
.list-plain li { margin: 0.35rem 0; }
.grid {
  display: grid;
  gap: 0.85rem;
  margin: 1.25rem 0;
}
@media (min-width: 640px) {
  .grid.two { grid-template-columns: 1fr 1fr; }
}
footer.site {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 2.5rem;
  padding-top: 1rem;
}
.tag {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  font-family: system-ui, sans-serif;
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: #efeae2;
  padding: 0.1em 0.3em;
  border-radius: 3px;
}