:root {
  color-scheme: light dark;
  --ground: #f4f3ef;
  --card: #fff;
  --ink: #17171a;
  --muted: #62615b;
  --line: #deddd6;
  --soft: #eeede8;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--ground);
  color: var(--ink);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 0.22em;
}
a:focus-visible {
  outline: 3px solid #5478dc;
  outline-offset: 5px;
  border-radius: 3px;
}
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--ink);
  color: var(--card);
  padding: 14px;
  z-index: 5;
}
.skip-link:focus {
  top: 12px;
}
.site-header,
main,
footer {
  width: min(1120px, 100% - 64px);
  margin-inline: auto;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 30px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 25px;
  letter-spacing: -1px;
  font-weight: 750;
  text-decoration: none;
  min-height: 44px;
}
.brand-dot {
  margin-left: -9px;
  color: var(--muted);
}
.brand-mark {
  display: block;
  width: 36px;
  height: 36px;
  flex: none;
  border-radius: 9px;
}
.site-header nav {
  display: flex;
  gap: 8px;
}
.site-header nav a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 550;
  color: var(--muted);
  padding: 13px 16px;
  min-height: 44px;
  border-radius: 24px;
}
.site-header nav a[aria-current] {
  background: var(--ink);
  color: var(--ground);
}
.page-heading {
  max-width: 780px;
  padding-block: 78px 54px;
}
.eyebrow {
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.13em;
  font-weight: 650;
  color: var(--muted);
  margin: 0 0 20px;
}
h1 {
  font-size: clamp(40px, 6vw, 68px);
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 1.06;
  margin: 0 0 22px;
}
.introduction {
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.5;
  color: var(--muted);
  max-width: 600px;
  margin: 0;
}
.updated {
  font-size: 12px;
  color: var(--muted);
  margin-top: 24px;
}
.updated time {
  margin-left: 8px;
}
.document-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}
.mobile-contents {
  display: none;
}
.contents {
  position: sticky;
  top: 28px;
}
.contents .eyebrow {
  margin-bottom: 14px;
}
.contents a {
  display: block;
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  color: var(--muted);
  padding-block: 11px;
  min-height: 40px;
}
.contents a:hover {
  color: var(--ink);
}
aside {
  align-self: stretch;
}
article {
  min-width: 0;
  max-width: 760px;
}
.summary {
  padding: 28px 30px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  margin-bottom: 42px;
}
.summary p {
  margin: 0;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.7;
}
section {
  scroll-margin-top: 30px;
  margin-bottom: 42px;
}
h2 {
  font-size: 22px;
  font-weight: 620;
  letter-spacing: -0.025em;
  line-height: 1.35;
  display: flex;
  gap: 14px;
  align-items: baseline;
  margin: 0 0 18px;
}
.section-number {
  font-size: 11px;
  letter-spacing: 0;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  flex: none;
}
p,
li {
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
  overflow-wrap: anywhere;
}
p {
  margin: 0 0 18px;
}
li {
  padding-left: 5px;
  margin-block: 14px;
}
ul {
  padding-left: 20px;
  margin: 0;
}
strong {
  font-weight: 600;
  color: var(--ink);
}
.contact {
  background: var(--soft);
  padding: 30px;
  border-radius: 20px;
  margin-top: 48px;
}
.contact .eyebrow {
  margin-bottom: 12px;
}
.contact h2 {
  font-size: 28px;
}
.contact-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 48px;
  font-weight: 600;
  overflow-wrap: anywhere;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-block: 10px;
}
.small {
  font-size: 12px;
  margin: 14px 0 0;
}
.related {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding-block: 10px 28px;
  font-size: 13px;
}
.related a {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  text-decoration: none;
}
footer {
  border-top: 1px solid var(--line);
  padding-block: 26px 36px;
  margin-top: 36px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
}
footer a {
  min-height: 44px;
  display: flex;
  align-items: center;
  text-decoration: none;
}
footer span {
  padding-top: 15px;
}
@media (max-width: 800px) {
  .site-header,
  main,
  footer {
    width: calc(100% - 40px);
  }
  .document-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .page-heading {
    padding-block: 54px 34px;
  }
  .contents {
    display: none;
  }
  .mobile-contents {
    display: block;
    border-block: 1px solid var(--line);
  }
  .mobile-contents summary {
    cursor: pointer;
    padding-block: 18px;
    font-size: 14px;
    font-weight: 550;
  }
  .mobile-contents summary:focus-visible {
    outline: 3px solid #5478dc;
    outline-offset: 3px;
  }
  .mobile-contents nav {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 18px;
    padding-bottom: 16px;
  }
  .mobile-contents a {
    font-size: 13px;
    line-height: 1.5;
    color: var(--muted);
    text-decoration: none;
    min-height: 44px;
    padding-block: 12px;
  }
  .summary {
    padding: 24px;
    margin-bottom: 34px;
  }
  section {
    margin-bottom: 34px;
  }
  .contact {
    padding: 24px;
  }
  .site-header {
    gap: 12px;
    padding-block: 20px;
  }
  .site-header nav {
    gap: 0;
  }
  .site-header nav a {
    padding-inline: 11px;
  }
}
@media (max-width: 390px) {
  .site-header {
    flex-wrap: wrap;
  }
  .site-header nav {
    margin-left: -10px;
  }
  .site-header,
  main,
  footer {
    width: calc(100% - 32px);
  }
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #151517;
    --card: #222225;
    --ink: #f4f3ef;
    --muted: #bdbcb5;
    --line: #39393d;
    --soft: #242427;
  }
}
@media print {
  :root {
    color-scheme: light;
    --ground: #fff;
    --card: #fff;
    --ink: #000;
    --muted: #333;
    --line: #ccc;
    --soft: #fff;
  }
  .site-header,
  main,
  footer {
    width: 100%;
  }
  .site-header nav,
  aside,
  .related,
  .skip-link,
  footer a {
    display: none;
  }
  .page-heading {
    padding-block: 30px;
  }
  .document-layout {
    display: block;
  }
  article {
    max-width: none;
  }
  .summary,
  .contact {
    padding: 18px;
    border: 1px solid #ccc;
  }
  section {
    break-inside: avoid;
  }
  a {
    text-decoration: underline;
  }
}