/* Hallmark · macrostructure: Workbench · tone: utilitarian · anchor hue: forest */
:root {
  --ink: #14201a;
  --muted: #5b6b62;
  --paper: #f3f6f2;
  --card: #ffffff;
  --line: #d5ddd6;
  --go: #1f4a34;
  --go-2: #c8f54a;
  --warn: #8a6a12;
  --warn-bg: #fff6d8;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 28px;
  --space-xl: 48px;
  --font: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}
html, body { overflow-x: clip; }
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.45;
}
a { color: var(--go); }
img { max-width: 100%; height: auto; display: block; }
.stamp {
  margin: 0;
  padding: 10px 24px;
  background: #111;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  border-bottom: 4px solid var(--go-2);
  overflow-wrap: anywhere;
  line-height: 1.35;
}
header.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  min-height: 48px;
}
.brand { display: flex; gap: 10px; align-items: center; text-decoration: none; color: inherit; font-weight: 800; }
.brand span { background: var(--go); color: #fff; padding: 7px 10px; border-radius: 10px; font-family: var(--sans); }
.brand small { display: block; font-size: 10px; letter-spacing: .14em; color: var(--muted); font-weight: 700; }
nav.jump { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; font-weight: 650; }
nav.jump a { text-decoration: none; color: var(--ink); }
nav.jump a:hover, nav.jump a:focus-visible { color: var(--go); }
main { max-width: 1180px; margin: 0 auto; padding: 28px 20px 72px; }
h1, h2, h3 { font-family: var(--sans); font-style: normal; letter-spacing: -.03em; }
h1 { font-size: clamp(28px, 4vw, 44px); line-height: 1.08; margin: 8px 0 12px; }
h2 { font-size: 22px; margin: 0 0 12px; }
.lede { color: var(--muted); max-width: 720px; }
.kernel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 22px 0 28px;
}
.kernel div {
  background: var(--go);
  color: #fff;
  padding: 14px 12px;
  border-radius: 12px;
  min-width: 0;
}
.kernel b { display: block; font-size: 18px; }
.kernel span { display: block; font-size: 12px; opacity: .82; overflow-wrap: anywhere; }
.note {
  padding: 12px 14px;
  border: 1px solid #e3d7b4;
  background: var(--warn-bg);
  border-radius: 12px;
  margin: 0 0 28px;
  color: #3f3a28;
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
figure {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  min-width: 0;
}
figure img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; background: #e8eee8; }
figcaption { padding: 12px 14px 14px; }
figcaption strong { display: block; font-size: 15px; }
figcaption span { display: block; color: var(--muted); font-size: 13px; }
section { margin: 36px 0; }
.wide { grid-column: 1 / -1; }
.wide img { aspect-ratio: 16 / 9; }
table.parts {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  font-size: 14px;
}
table.parts th, table.parts td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.parts th { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.links a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--card);
  text-decoration: none;
  font-weight: 650;
  color: var(--ink);
}
.links a.primary { background: var(--go); color: #fff; border-color: var(--go); }
footer {
  margin-top: 40px;
  color: var(--muted);
  font-size: 12px;
}
@media (max-width: 800px) {
  .kernel, .grid { grid-template-columns: 1fr; }
  header.top { flex-direction: column; align-items: flex-start; }
}
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--go);
  outline-offset: 2px;
}