:root {
  color-scheme: dark;
  --background: #0b121e;
  --surface: #131d2c;
  --text: #edf2f7;
  --muted: #b4c0cf;
  --line: #344255;
  --accent: #edd0a3;
  --link: #bcdcf5;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 1.5rem; }
body {
  margin: 0;
  background: radial-gradient(ellipse at 15% 0, #1c2b40 0, transparent 36rem), var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 1rem;
  line-height: 1.85;
  overflow-wrap: anywhere;
}
a { color: var(--link); text-underline-offset: .25em; }
a:hover { color: #fff; }
a:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
  border-radius: 3px;
}
.skip-link {
  position: absolute;
  top: .7rem;
  left: .7rem;
  transform: translateY(-200%);
  padding: .6rem 1rem;
  background: var(--surface);
  z-index: 1;
}
.skip-link:focus { transform: none; }
.site-header, main, .site-footer {
  width: min(100% - 2.5rem, 48rem);
  margin-inline: auto;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  flex-wrap: wrap;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--line);
}
.brand { color: var(--text); font-size: 1.25rem; font-weight: 650; text-decoration: none; }
.site-nav { display: flex; gap: .2rem 1rem; flex-wrap: wrap; }
.site-nav a { padding-block: .4rem; font-size: .875rem; }
.site-nav a[aria-current="page"] { color: var(--accent); font-weight: 650; }
main { padding-block: 2.25rem 3rem; }
.page-heading { margin-bottom: 2rem; }
.status {
  display: inline-block;
  margin: 0 0 .75rem;
  padding: .2rem .65rem;
  border: 1px solid #73644d;
  border-radius: 99px;
  color: var(--accent);
  font-size: .8rem;
}
h1 { margin: 0; font-size: clamp(1.7rem, 6vw, 2.3rem); line-height: 1.5; font-weight: 650; letter-spacing: .01em; }
h2 { margin: 0 0 .8rem; font-size: 1.2rem; line-height: 1.6; font-weight: 650; }
h3 { margin: 1.4rem 0 .5rem; font-size: 1rem; line-height: 1.7; }
p { margin: .7rem 0; }
.updated, .muted { color: var(--muted); font-size: .9rem; }
.updated { margin: .6rem 0 0; }
.lead { color: var(--muted); }
section + section { margin-top: 2rem; }
.contact-card, .notice {
  padding: 1.2rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.contact-card { margin-block: 1.5rem 2rem; }
.email { display: inline-block; padding-block: .4rem; font-size: 1.1rem; font-weight: 600; }
ul, ol { padding-left: 1.4rem; margin-block: .6rem; }
li + li { margin-top: .35rem; }
.quick-links { display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; margin-block: 1.5rem; }
.quick-links a { padding-block: .3rem; }
.faq { border-top: 1px solid var(--line); }
.faq details { padding-block: .9rem; border-bottom: 1px solid var(--line); }
.faq summary { padding-block: .2rem; font-weight: 600; cursor: pointer; }
.faq details p { padding-left: .1rem; color: var(--muted); }
.price-list { display: grid; gap: .7rem; margin-block: 1rem; }
.price-list div { display: flex; gap: 1rem; justify-content: space-between; padding-bottom: .5rem; border-bottom: 1px solid var(--line); }
.price-list dt { color: var(--muted); }
.price-list dd { margin: 0; font-weight: 600; }
.source-links li { margin-top: .55rem; }
.site-footer { padding-block: 1.4rem 2rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.footer-nav { display: flex; gap: .4rem 1.2rem; flex-wrap: wrap; }
.footer-nav a { padding-block: .3rem; }
.site-nav a, .footer-nav a, .quick-links a, .email { min-height: 44px; }
.faq summary { min-height: 44px; }
@media (max-width: 420px) {
  .site-header, main, .site-footer { width: calc(100% - 2rem); }
  .site-header { padding-block: 1.1rem; gap: .5rem; }
  .site-nav { gap: .2rem .85rem; }
  main { padding-block: 1.5rem 2.5rem; }
  .contact-card, .notice { padding: 1rem; }
}
@media print {
  :root { color-scheme: light; --text: #111; --muted: #444; --line: #bbb; --link: #111; --accent: #444; --surface: #fff; }
  body { background: #fff; }
  .site-header, main, .site-footer { width: 100%; }
  .skip-link { display: none; }
  .status { border-color: #777; }
}