:root {
  color-scheme: light;
  --paper: #f8f7f2;
  --ink: #233c31;
  --muted: #5b6a60;
  --line: #d9dfd3;
  --accent: #824224;
  --note: #f0ede1;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 2rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 1rem/1.85 -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", sans-serif; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; overflow-wrap: anywhere; }
a:hover { color: var(--accent); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
.skip-link { position: absolute; top: -100px; left: 1.5rem; padding: .6rem 1rem; background: var(--ink); color: var(--paper); z-index: 5; }
.skip-link:focus { top: .5rem; }
.masthead { max-width: 1160px; margin: auto; padding: 1.65rem 2.5rem; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { font-size: 1.6rem; font-weight: 650; letter-spacing: -.055em; text-decoration: none; margin: 0; }
.brand span { font-size: .85rem; font-weight: 400; letter-spacing: .03em; margin-left: .5rem; color: var(--muted); }
.masthead nav { display: flex; align-items: center; gap: 1rem; font-size: .83rem; }
.masthead nav a { padding: .4rem 0; }
.language-current { color: var(--muted); }
.page-heading { max-width: 1160px; margin: auto; padding: 3rem 2.5rem 2.5rem; }
h1 { font-family: Georgia, "Songti SC", serif; font-weight: 400; font-size: clamp(2.5rem, 5vw, 4.1rem); line-height: 1.2; letter-spacing: -.035em; margin: 0; }
.date { margin: 1rem 0 0; font-size: .8rem; color: var(--muted); }
.doc-switch { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: .6rem; font-size: .83rem; }
.doc-switch a { border: 1px solid var(--line); border-radius: 999px; padding: .38rem 1rem; text-decoration: none; background: #fffefa; }
.doc-switch a:hover { border-color: var(--ink); }
.doc-switch a.current { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.reading-layout { max-width: 1160px; margin: auto; padding: 0 2.5rem 5rem; display: grid; grid-template-columns: 215px minmax(0, 720px); gap: 4rem; align-items: start; }
.contents { position: sticky; top: 2rem; font-size: .82rem; color: var(--muted); }
.contents summary { font-weight: 650; color: var(--ink); cursor: pointer; margin: 0 0 1rem; }
.contents ol { list-style: none; padding: 0; margin: 0; }
.contents li { margin-bottom: .65rem; }
.contents a { text-decoration: none; display: block; padding: .2rem 0; line-height: 1.6; }
.contents a:hover { text-decoration: underline; }
.policy { min-width: 0; overflow-wrap: break-word; }
.policy:focus { outline: none; }
.policy > p { margin: 1.15rem 0; }
.policy > p:first-of-type { margin-top: 1.4rem; }
.policy h2 { font-size: 1.28rem; line-height: 1.5; font-weight: 650; letter-spacing: -.02em; margin: 3.25rem 0 1.1rem; padding-top: 1.35rem; border-top: 1px solid var(--line); }
.policy strong { font-weight: 650; }
.policy ul { padding-left: 1.2rem; }
.policy li { padding-left: .25rem; margin: .7rem 0; }
.table-wrap { width: 100%; margin: 1.75rem 0; }
table { width: 100%; border-collapse: collapse; text-align: left; font-size: .9rem; line-height: 1.75; }
th { font-size: .76rem; letter-spacing: .04em; font-weight: 650; border-bottom: 2px solid var(--ink); padding: .65rem .8rem; }
td { border-bottom: 1px solid var(--line); padding: 1rem .8rem; vertical-align: top; }
td:first-child { width: 28%; font-weight: 550; }
code { font-size: .85em; overflow-wrap: anywhere; }
footer { max-width: 1160px; margin: auto; padding: 1.5rem 2.5rem 2rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 1rem; font-size: .77rem; color: var(--muted); }
footer p { margin: 0; }
footer a { margin-left: .5rem; }
.landing { max-width: 760px; margin: auto; padding: max(3rem, 10vh) 2.5rem 3rem; }
.landing .brand { margin-bottom: 4rem; }
.landing h1 > span { display: block; font-size: .7em; margin-top: .6rem; }
.landing-intro { color: var(--muted); margin: 1.5rem 0 0; max-width: 31rem; }
.landing-intro + .landing-intro { font-size: .9rem; margin-top: .4rem; }
.language-choices { margin: 2.5rem 0 2rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.language-choices a { border: 1px solid var(--line); border-radius: .25rem; padding: 1rem 1.3rem; display: flex; justify-content: space-between; text-decoration: none; background: #fffefa; }
.language-choices a:hover { border-color: var(--ink); }
.landing-note { color: var(--muted); font-size: .78rem; }
.contact { font-size: .85rem; }
@media (max-width: 780px) {
  .masthead { padding: 1.15rem 1.35rem; }
  .brand { font-size: 1.4rem; }
  .brand span { font-size: .7rem; }
  .page-heading { padding: 2.1rem 1.35rem 1.75rem; }
  .reading-layout { display: block; padding: 0 1.35rem 3rem; }
  .contents { position: static; margin-bottom: 1.5rem; border-bottom: 1px solid var(--line); padding-bottom: 1rem; }
  .contents ol { display: grid; grid-template-columns: 1fr 1fr; column-gap: 1.2rem; }
  .contents li { margin-bottom: .3rem; }
  .policy { font-size: .95rem; }
  .policy h2 { margin-top: 2.4rem; }
  th, td { padding-left: .45rem; padding-right: .45rem; }
  td:first-child { width: 30%; }
  footer { padding: 1.25rem 1.35rem 2rem; display: block; }
  footer p + p { margin-top: .5rem; }
}
@media (max-width: 390px) {
  .masthead nav { gap: .65rem; font-size: .76rem; }
  .contents ol { display: block; }
  .landing { padding-left: 1.35rem; padding-right: 1.35rem; }
  .language-choices { grid-template-columns: 1fr; }
}
@media print {
  body { background: white; color: black; font-size: 10pt; }
  .masthead, .contents, .skip-link, footer { display: none; }
  .page-heading { padding: 0 0 1rem; }
  .reading-layout { display: block; padding: 0; }
  .policy h2 { break-after: avoid; }
  tr { break-inside: avoid; }
  a { color: inherit; }
}