:root {
  --paper: #f3efe6;
  --ink: #1c1915;
  --soft: #5e564c;
  --line: #ddd4c6;
  --accent: #8c3b28;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 18px/1.55 Georgia, "Iowan Old Style", "Palatino Linotype", serif;
  color: var(--ink);
  background: var(--paper);
}
a { color: var(--accent); }
.bar, main, footer { width: min(920px, calc(100% - 32px)); margin: 0 auto; }
.bar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 22px 0;
}
.brand { color: var(--ink); text-decoration: none; font-size: 1.25rem; }
nav { display: flex; flex-wrap: wrap; gap: 14px; }
nav a { color: var(--ink); text-decoration: none; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.1; margin: 0 0 12px; }
h2 { margin: 1.3em 0 0.3em; }
.lead { font-size: 1.2rem; color: var(--soft); }
.kicker { letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.78rem; }
.quiet { color: var(--soft); }
.notice { border-left: 3px solid var(--accent); padding-left: 14px; }
.post-list { list-style: none; padding: 0; }
.post-list li { border-top: 1px solid var(--line); padding: 14px 0; }
.post-list p { margin: 4px 0 0; color: var(--soft); }
.sheet { width: min(68ch, calc(100% - 32px)); padding-bottom: 48px; }
.sheet ul, .sheet ol { padding-left: 1.2em; }
.calc { display: grid; gap: 12px; margin: 18px 0; }
.calc label { display: grid; gap: 4px; }
.calc input, .calc textarea, .calc select { font: inherit; padding: 8px 10px; border: 1px solid var(--line); background: white; }
.calc button, .sheet button {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.result { padding-left: 1.2em; }
.sheet blockquote { margin: 1em 0; padding-left: 0.9em; border-left: 3px solid var(--line); }
footer { border-top: 1px solid var(--line); padding: 22px 0 36px; color: var(--soft); }