:root {
  color-scheme: light;
  --paper: #f8f6ef;
  --ink: #213b4a;
  --muted: #526770;
  --teal: #176f72;
  --line: #dbe4df;
  --card: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
html { scroll-padding-top: 2rem; }
body { margin: 0; background: radial-gradient(ellipse at 82% 5%, #edf6ef 0, transparent 37%), var(--paper); }
a { color: var(--teal); text-decoration-thickness: .075em; text-underline-offset: .2em; overflow-wrap: anywhere; }
a:hover { color: #134f56; }
a:focus-visible { outline: 3px solid #397c99; outline-offset: 5px; border-radius: 3px; }
.skip-link { position: absolute; top: -6rem; left: 1rem; padding: .7rem 1rem; z-index: 2; background: white; border: 1px solid var(--line); border-radius: .5rem; }
.skip-link:focus { top: 1rem; }
.page-width { width: min(1120px, calc(100% - 3rem)); margin-inline: auto; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; padding-block: 1.7rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .65rem; font-size: 1.35rem; font-weight: 750; letter-spacing: -.045em; color: var(--ink); text-decoration: none; }
.brand-dot { width: .8rem; height: .8rem; border-radius: 50%; background: #217f89; box-shadow: 5px 5px 0 #ef947e; margin-right: 4px; }
nav { display: flex; gap: 1.4rem; font-size: .88rem; }
nav a { color: var(--muted); text-decoration: none; padding-block: .6rem; }
nav a[aria-current] { color: var(--teal); text-decoration: underline; text-decoration-thickness: 2px; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 220px; align-items: center; gap: 3.5rem; padding-block: 3.3rem 3rem; }
.eyebrow { font-size: .76rem; font-weight: 650; letter-spacing: .09em; text-transform: uppercase; color: var(--teal); margin: 0 0 .55rem; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); line-height: 1.1; letter-spacing: -.055em; font-weight: 700; margin: 0 0 1rem; }
.intro { max-width: 650px; margin: 0; color: var(--muted); font-size: 1.09rem; line-height: 1.65; }
.updated { color: var(--muted); font-size: .81rem; margin: 1.1rem 0 0; }
.tube-art { width: 220px; height: 240px; }
.policy-layout { display: grid; grid-template-columns: 215px minmax(0, 1fr); gap: 2.4rem; align-items: start; }
.contents { font-size: .86rem; padding-top: 1.45rem; }
.contents p { font-weight: 650; margin: 0 0 .7rem; }
.contents ol { list-style: none; margin: 0; padding: 0; }
.contents li { margin-block: .6rem; }
.contents a { text-decoration: none; color: var(--muted); }
.contents a:hover { text-decoration: underline; color: var(--teal); }
.policy-card { background: var(--card); border: 1px solid var(--line); border-radius: 1.2rem; padding: .6rem 2.4rem 1.3rem; box-shadow: 0 7px 35px #42586406; }
.policy-card section { padding-block: 1.6rem 1.15rem; }
.policy-card section + section { border-top: 1px solid var(--line); }
h2 { font-size: 1.2rem; font-weight: 650; line-height: 1.35; letter-spacing: -.025em; margin: 0 0 1rem; }
p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 650; }
code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .85em; background: #f1f5f3; padding: .12em .35em; border-radius: .25rem; overflow-wrap: anywhere; }
.steps { padding-left: 1.4rem; margin-block: 0 1rem; }
.steps li { padding-left: .3rem; margin-bottom: .65rem; }
.narrow-page { max-width: 830px; }
.narrow-page .hero { grid-template-columns: 1fr; }
.site-footer { display: flex; flex-wrap: wrap; gap: 1rem 1.6rem; justify-content: flex-end; padding-block: 2rem 2.6rem; font-size: .78rem; color: var(--muted); }
.site-footer span { margin-right: auto; }
@media (max-width: 820px) {
  .hero { gap: 1.5rem; grid-template-columns: minmax(0, 1fr) 150px; padding-block: 2.8rem 2.3rem; }
  .tube-art { width: 150px; height: auto; }
  .policy-layout { grid-template-columns: 1fr; gap: 1.6rem; }
  .contents { padding-top: 0; }
  .contents ol { display: flex; flex-wrap: wrap; gap: .35rem 1.2rem; }
  .contents li { margin: 0; }
  .policy-card { padding-inline: 1.6rem; }
}
@media (max-width: 520px) {
  :root { font-size: 16px; }
  .page-width { width: calc(100% - 2rem); }
  .site-header { gap: 1rem; padding-block: 1.2rem; }
  .brand { font-size: 1.23rem; }
  nav { gap: .9rem; font-size: .84rem; }
  .hero { grid-template-columns: minmax(0, 1fr); padding-block: 2rem; gap: 1rem; }
  .tube-art { display: none; }
  .policy-card { padding-inline: 1.25rem; border-radius: .9rem; }
  .policy-card section { padding-block: 1.35rem 1.05rem; }
  .site-footer { justify-content: flex-start; gap: .7rem 1.2rem; padding-block: 1.5rem 2rem; }
  .site-footer span { flex-basis: 100%; }
}
@media print {
  :root { font-size: 11pt; color: black; background: white; }
  body { background: white; }
  .page-width { width: 100%; }
  .site-header, .contents, .tube-art, .site-footer, .skip-link { display: none; }
  .hero, .policy-layout { display: block; }
  .hero { padding-block: 0 1rem; }
  .policy-card { border: 0; padding: 0; box-shadow: none; }
  a { color: inherit; }
  h2 { break-after: avoid; }
}