:root {
  color-scheme: light;
  --background: oklch(0.985 0.003 240);
  --foreground: oklch(0.20 0.02 250);
  --muted-foreground: oklch(0.48 0.015 250);
  --primary: oklch(0.68 0.14 232);
  --border: oklch(0.20 0.02 250 / 9%);
  --ring: oklch(0.68 0.14 232 / 50%);
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
  color: var(--foreground);
  background: var(--background);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; }
h1, h2, p { margin: 0; }
a { color: inherit; text-underline-offset: 4px; border-radius: 2px; }
a:focus-visible { outline: 2px solid var(--ring); outline-offset: 4px; }
header { border-bottom: 1px solid var(--border); }
.header-inner, .footer-inner { margin-inline: auto; max-width: 1024px; padding-inline: 24px; }
.header-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding-block: 24px; }
.brand { font-size: 24px; font-weight: 600; letter-spacing: -0.025em; text-decoration: none; }
.brand-accent { color: var(--primary); }
.brand-product { margin-left: 12px; font-size: 14px; font-weight: 500; letter-spacing: normal; color: var(--muted-foreground); }
.system-link { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding-inline: 20px; background: var(--foreground); color: var(--background); border-radius: 6px; font-size: 14px; font-weight: 500; text-decoration: none; }
.system-link:hover { opacity: 0.9; }
main { width: 100%; max-width: 768px; margin-inline: auto; flex: 1; padding: 48px 24px; }
h1, h2 { font-weight: 600; letter-spacing: -0.022em; }
h1 { font-size: 30px; line-height: 1.25; text-wrap: balance; }
.introduction { margin-top: 20px; font-size: 16px; line-height: 28px; color: var(--muted-foreground); }
.content { margin-top: 40px; font-size: 16px; line-height: 28px; color: var(--muted-foreground); }
.content > * + * { margin-top: 36px; }
h2 { margin-bottom: 12px; font-size: 20px; line-height: 28px; color: var(--foreground); }
section p + p { margin-top: 12px; }
.content a { color: var(--foreground); overflow-wrap: anywhere; }
.small { font-size: 14px; }
footer { border-top: 1px solid var(--border); }
.footer-inner { display: flex; flex-direction: column; gap: 8px; padding-block: 16px; font-size: 11px; line-height: 16px; color: var(--muted-foreground); }
nav { display: flex; flex-wrap: wrap; column-gap: 16px; row-gap: 8px; }
nav a { display: inline-flex; min-height: 24px; align-items: center; text-decoration: none; }
nav a:hover { color: var(--foreground); text-decoration: underline; }
.skip-link { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link:focus { width: auto; height: auto; left: 24px; top: 16px; z-index: 10; padding: 12px; background: var(--background); clip-path: none; }
@media (min-width: 640px) {
  h1 { font-size: 36px; }
  .introduction { font-size: 18px; }
  .footer-inner { flex-direction: row; align-items: center; justify-content: space-between; }
}
@media (min-width: 768px) {
  .header-inner, .footer-inner { padding-inline: 40px; }
  main { padding: 64px 40px; }
}
