:root {
  color-scheme: light;
  --ink: #202124;
  --muted: #5f6368;
  --line: #dfe3e8;
  --soft: #f6f8fa;
  --accent: #276749;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.68;
}
main {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}
h1, h2, h3, h4, h5, h6 {
  line-height: 1.24;
  letter-spacing: 0;
  color: #17211f;
}
h1 { margin: 0 0 14px; font-size: 2.35rem; }
.dek {
  margin: 0 0 38px;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.58;
}
h2 {
  margin: 42px 0 14px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 1.58rem;
}
h3 { margin: 28px 0 10px; font-size: 1.22rem; }
h4, h5, h6 {
  margin: 22px 0 8px;
  font-size: 1.04rem;
  color: var(--accent);
}
p { margin: 0 0 16px; }
a { color: #0b63ce; overflow-wrap: anywhere; }
ol, ul { padding-left: 1.45rem; margin: 0 0 22px; }
li { margin: 0 0 10px; padding-left: 0.15rem; }
.table-wrap {
  overflow-x: auto;
  margin: 22px 0 26px;
  border: 1px solid var(--line);
  border-radius: 6px;
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  font-size: 0.95rem;
}
th, td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}
th { background: var(--soft); font-weight: 700; }
tbody tr:last-child td { border-bottom: 0; }
.reference-list { margin: 0 0 20px; padding-left: 1.2rem; }
.reference-list li { margin-bottom: 18px; }
.reference-list p { margin: 6px 0 0; color: var(--muted); }
@media (max-width: 640px) {
  main { width: min(100% - 24px, 920px); padding-top: 32px; }
  h1 { font-size: 1.82rem; }
  h2 { font-size: 1.34rem; }
  h3 { font-size: 1.12rem; }
  table { min-width: 660px; }
}