:root {
  color-scheme: light;
  font-family: Helvetica, Arial, sans-serif;
  background: #fffbED;
  color: #000;
  font-size: 16px;
  line-height: 1.65;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fffbED; }
a { color: #000; text-decoration-color: rgba(0, 0, 0, .42); text-underline-offset: 3px; }
a:hover { text-decoration-color: #000; }
a:focus-visible, summary:focus-visible { outline: 2px solid #000; outline-offset: 4px; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 20; background: #000; color: #fffbED; padding: 8px 12px; }
.skip:focus { top: 12px; }
.topbar {
  min-height: 66px;
  border-bottom: 1px solid rgba(0, 0, 0, .16);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 12px clamp(20px, 4vw, 64px);
  font-size: 12px;
}
.topbar a { text-decoration: none; font-weight: 700; letter-spacing: .03em; }
.topbar span { color: rgba(0, 0, 0, .55); }
main { max-width: 820px; margin: auto; padding: 78px 30px 92px; }
.hero { padding-bottom: 45px; border-bottom: 1px solid rgba(0, 0, 0, .24); }
.mark { position: relative; width: 252px; height: 84px; overflow: hidden; margin: 0 0 44px -12px; }
.mark img { position: absolute; display: block; width: 500px; height: 500px; max-width: none; left: -124px; top: -208px; }
.eyebrow { font-size: 11px; font-weight: 700; letter-spacing: .17em; margin-bottom: 17px; }
h1, h2, h3 { color: #000; }
h1 { font-size: clamp(2.55rem, 5.4vw, 3.85rem); font-weight: 500; line-height: 1.12; letter-spacing: -.045em; margin: 0 0 23px; max-width: 720px; }
h2 { font-size: 1.65rem; font-weight: 600; line-height: 1.3; letter-spacing: -.025em; margin: 0 0 19px; }
h3 { font-size: 1.18rem; line-height: 1.4; margin: 0 0 13px; }
p { margin: 0 0 17px; color: rgba(0, 0, 0, .76); }
.dek { font-size: 1.12rem; max-width: 650px; }
.status { display: flex; align-items: center; gap: 9px; color: rgba(0, 0, 0, .65); font-size: 12px; margin: 25px 0 0; }
.status-dot { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: #000; }
.toc { display: flex; flex-wrap: wrap; gap: 24px; margin: 24px 0 78px; font-size: 13px; }
.toc a { text-decoration: none; border-bottom: 1px solid rgba(0, 0, 0, .5); padding-bottom: 3px; }
.toc a:hover { border-bottom-color: #000; }
section { padding-top: 23px; margin-top: 54px; scroll-margin-top: 30px; }
section > h2, section > h3 { border-top: 1px solid rgba(0, 0, 0, .2); padding-top: 22px; }
.callout { border-left: 2px solid #000; background: rgba(0, 0, 0, .035); padding: 19px 22px; margin: 28px 0; }
.callout strong { display: block; margin-bottom: 7px; }
.callout p { margin: 0; font-size: 14px; }
.small { color: rgba(0, 0, 0, .56); font-size: 13px; }
.table-wrap { overflow: auto; margin: 26px 0; }
table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 620px; }
caption { text-align: left; color: rgba(0, 0, 0, .55); padding-bottom: 10px; font-size: 12px; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid rgba(0, 0, 0, .17); vertical-align: top; }
th { border-top: 1px solid #000; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
td { color: rgba(0, 0, 0, .7); }
td:first-child { color: #000; font-weight: 600; }
code { background: rgba(0, 0, 0, .07); padding: 2px 5px; font-size: .85em; }
.plain-link { font-size: 14px; font-weight: 600; }
.diagram { display: flex; flex-direction: column; align-items: center; max-width: 465px; margin: 33px auto; padding: 21px; border: 1px solid rgba(0, 0, 0, .2); text-align: center; font-size: 13px; }
.diagram span { width: 100%; padding: 9px; border: 1px solid rgba(0, 0, 0, .27); }
.diagram b { font-size: 18px; font-weight: 400; line-height: 1.7; }
.diagram em { font-style: normal; color: rgba(0, 0, 0, .6); border-top: 1px solid rgba(0, 0, 0, .2); margin-top: 18px; padding-top: 15px; font-size: 11px; }
details { border-top: 1px solid rgba(0, 0, 0, .2); padding: 16px 0; }
details:last-of-type { border-bottom: 1px solid rgba(0, 0, 0, .2); }
summary { cursor: pointer; font-weight: 600; }
details p { padding-top: 13px; margin: 0; }
footer { display: flex; gap: 24px; flex-wrap: wrap; border-top: 1px solid rgba(0, 0, 0, .22); margin-top: 87px; padding-top: 23px; color: rgba(0, 0, 0, .55); font-size: 12px; }
@media (max-width: 650px) {
  .topbar { min-height: 58px; padding: 10px 19px; }
  .topbar > span { display: none; }
  main { padding: 57px 20px 60px; }
  .mark { margin-bottom: 38px; }
  h1 { font-size: 2.55rem; }
  .toc { gap: 16px; margin-bottom: 48px; }
  section { margin-top: 43px; }
}