:root {
  color-scheme: light;
  --bg: #f4f6f1;
  --surface: #ffffff;
  --ink: #172018;
  --muted: #5f6d63;
  --line: rgba(23,32,24,.13);
  --accent: #506800;
  --accent-fill: #b9ec3f;
  --accent-ink: #172018;
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { min-width: 320px; background: var(--bg); }
body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at 18% 0%, rgba(185,236,63,.16), transparent 34rem), linear-gradient(180deg,#f8faf5 0,var(--bg) 36rem);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}
::selection { color: var(--ink); background: rgba(185,236,63,.55); }
a { color: #3f5700; text-decoration-color: rgba(80,104,0,.45); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid rgba(80,104,0,.28); outline-offset: 3px; }
.shell { width: min(860px, calc(100% - 40px)); margin: 0 auto; }
header {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-size: 20px; font-weight: 780; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.back { color: var(--muted); font-size: 14px; text-decoration: none; }
main { padding: clamp(44px, 8vw, 88px) 0 72px; }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(42px, 8vw, 72px); line-height: .98; letter-spacing: -.055em; }
.updated { margin: 16px 0 36px; color: var(--muted); font-size: 14px; }
.notice { margin: 0 0 36px; padding: 18px 20px; border: 1px solid rgba(80,104,0,.19); border-radius: 14px; background: #f8fbef; color: #344138; line-height: 1.6; }
nav.contents { margin: 0 0 44px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.78); box-shadow: 0 8px 26px rgba(34,48,37,.045); }
nav.contents strong { display: block; margin-bottom: 10px; }
nav.contents ol { margin: 0; padding-left: 22px; columns: 2; column-gap: 40px; }
nav.contents li { margin: 7px 0; break-inside: avoid; }
nav.contents a { color: var(--muted); }
section { scroll-margin-top: 20px; }
h2 { margin: 52px 0 14px; font-size: clamp(24px, 4vw, 32px); letter-spacing: -.025em; }
h3 { margin: 28px 0 10px; font-size: 18px; }
p, li { color: #425046; font-size: 16px; line-height: 1.72; }
li + li { margin-top: 7px; }
strong { color: var(--ink); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.55); -webkit-overflow-scrolling: touch; }
.table-note { display: none; color: var(--muted); font-size: 13px; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: 13px 15px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; color: #425046; font-size: 14px; line-height: 1.55; }
th { color: var(--ink); background: rgba(255,255,255,.82); }
tr:last-child td { border-bottom: 0; }
footer { padding: 28px 0 44px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; line-height: 1.7; }
footer a { color: var(--muted); margin-right: 16px; }
@media (max-width: 680px) {
  .shell { width: min(100% - 28px, 860px); }
  nav.contents ol { columns: 1; }
  .table-note { display: block; }
}