:root {
  color-scheme: light;
  --ink: #202c32;
  --muted: #59676e;
  --accent: #225b50;
  --line: #dce2df;
  --paper: #fdfdfb;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 2rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 1rem/1.8 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; }
a { color: var(--accent); text-underline-offset: .22em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
.skip-link { position: absolute; left: 1rem; top: -6rem; padding: .5rem 1rem; background: white; z-index: 2; }
.skip-link:focus { top: 1rem; }
.site-header, .site-footer { max-width: 1120px; margin-inline: auto; padding: 1.4rem 2rem; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--line); }
.brand { font-size: 1.25rem; letter-spacing: -.04em; font-weight: 700; text-decoration: none; color: var(--ink); }
.site-nav { display: flex; flex-wrap: wrap; gap: 1.5rem; font-size: .875rem; }
.site-nav a { padding-block: .4rem; color: var(--muted); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--accent); text-decoration: underline; text-underline-offset: .55em; }
main { max-width: 800px; padding: 4.5rem 2rem 4rem; margin-inline: auto; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; line-height: 1.25; }
h1 { margin: 0 0 1rem; font-size: clamp(2.5rem, 6vw, 3.5rem); letter-spacing: -.04em; }
h2 { margin: 0 0 1.1rem; font-size: 1.7rem; letter-spacing: -.02em; }
h3 { margin: 1.5rem 0 .5rem; font-size: 1rem; }
p { margin: 0 0 1rem; }
ul, ol { padding-left: 1.4rem; margin: 0 0 1rem; }
li { padding-left: .25rem; margin-block: .4rem; }
.meta { color: var(--muted); font-size: .875rem; margin-bottom: 1.5rem; }
.intro { font-size: 1.125rem; color: var(--muted); }
.placeholder { color: #765011; background: #faf0dc; padding: .08em .22em; border-radius: 2px; overflow-wrap: anywhere; }
.notice { margin-block: 1.5rem; padding: .9rem 1.2rem; border-left: 3px solid #bd9855; background: #faf7ef; font-size: .875rem; }
.notice p:last-child { margin: 0; }
.contents { margin: 2.5rem 0 3rem; padding: 1.5rem 0; border-block: 1px solid var(--line); }
.contents h2 { font: 600 .85rem/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; margin-bottom: .8rem; }
.contents ol { columns: 2; column-gap: 2rem; font-size: .9rem; margin: 0; }
.contents li { break-inside: avoid; margin-top: 0; }
section { margin-top: 2.7rem; }
.callout { padding: 1rem 1.3rem; border-left: 3px solid var(--accent); background: #f0f5f2; }
.sdk { border-bottom: 1px solid var(--line); padding-bottom: 1.25rem; }
.sdk p { font-size: .95rem; }
.sdk p:last-child { margin-bottom: 0; }
.contact { margin-top: 1.4rem; padding: 1.5rem; border: 1px solid var(--line); }
.button { display: inline-block; margin: .3rem 0 1rem; padding: .65rem 1.1rem; background: var(--accent); color: #fff; text-decoration: none; border-radius: 3px; font-weight: 600; }
.button:hover { background: #19493f; text-decoration: underline; }
.small { font-size: .875rem; color: var(--muted); }
.request-options { display: flex; flex-wrap: wrap; gap: .6rem 1.5rem; margin-block: 1rem; }
.site-footer { border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem 2rem; color: var(--muted); font-size: .8rem; }
.site-footer p { margin: 0; }
@media (max-width: 600px) {
  .site-header, .site-footer { padding: 1.2rem 1.25rem; }
  .site-header { align-items: flex-start; flex-direction: column; gap: .5rem; }
  .site-nav { gap: 1.5rem; }
  main { padding: 2.8rem 1.25rem 3rem; }
  .contents ol { columns: 1; }
  h2 { font-size: 1.5rem; }
  .contact { padding: 1.15rem; }
}
@media print {
  body { background: white; color: black; font-size: 10pt; }
  .site-header, .site-footer, .skip-link, .contents, .button, .request-options { display: none; }
  main { max-width: none; padding: 0; }
  h1 { font-size: 28pt; }
  h2 { font-size: 17pt; break-after: avoid; }
  h3 { break-after: avoid; }
  p, li { orphans: 3; widows: 3; }
  a { color: inherit; }
  section { margin-top: 1.5rem; }
}
