:root {
  --sea: #0e6b6b;
  --sea-deep: #0a5050;
  --shallows: #e4efee;
  --page: #f6f8f7;
  --text: #13232e;
  --text-soft: #4d5f69;
  --divider: #d7e0e0;
  --panel: #ffffff;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --sea: #5cc6c0;
    --sea-deep: #8fdcd7;
    --shallows: #16272d;
    --page: #0f1a20;
    --text: #e3ecef;
    --text-soft: #9fb2ba;
    --divider: #26363d;
    --panel: #142229;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--sea); text-underline-offset: 3px; }
a:hover { color: var(--sea-deep); }
:focus-visible { outline: 3px solid var(--sea); outline-offset: 2px; border-radius: 2px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 700px) { .wrap { padding: 0 32px; } }

.site-head { border-bottom: 1px solid var(--divider); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: -0.01em; }
.brand svg { width: 28px; height: 28px; }
.site-nav { display: flex; gap: 20px; font-size: 15px; }
.site-nav a { color: var(--text-soft); text-decoration: none; }
.site-nav a:hover { color: var(--text); }

.opening { padding: 56px 0 48px; }
@media (min-width: 700px) { .opening { padding: 96px 0 72px; } }
.opening h1 {
  margin: 0 0 20px;
  max-width: 18ch;
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
}
.opening p { margin: 0; max-width: 58ch; font-size: 1.15rem; color: var(--text-soft); }
.jump { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; padding: 0; list-style: none; }
.jump a {
  display: inline-block; padding: 10px 16px; border-radius: 999px;
  border: 1px solid var(--divider); background: var(--panel);
  color: var(--text); text-decoration: none; font-size: 15px;
}
.jump a:hover { border-color: var(--sea); }

.tip-group { padding: 56px 0; border-top: 1px solid var(--divider); scroll-margin-top: 16px; }
.tip-group > .wrap { display: grid; gap: 28px; }
@media (min-width: 900px) {
  .tip-group > .wrap { grid-template-columns: 300px 1fr; gap: 56px; align-items: start; }
  .tip-group > .wrap > div:first-child { position: sticky; top: 24px; }
}
.tip-group h2 { margin: 0 0 12px; font-size: 1.75rem; line-height: 1.15; letter-spacing: -0.02em; }
.tip-group .group-summary { margin: 0; color: var(--text-soft); }
.tips { margin: 0; padding: 0; list-style: none; display: grid; gap: 28px 40px; }
@media (min-width: 640px) { .tips { grid-template-columns: 1fr 1fr; } }
.tips h3 { margin: 0 0 6px; font-size: 1.05rem; line-height: 1.3; }
.tips p { margin: 0; color: var(--text-soft); }

.before-you-pay { padding: 56px 0; background: var(--shallows); }
.before-you-pay h2 { margin: 0 0 24px; font-size: 1.75rem; letter-spacing: -0.02em; }
.checklist { margin: 0; padding: 0; list-style: none; display: grid; gap: 14px; }
@media (min-width: 700px) { .checklist { grid-template-columns: 1fr 1fr; gap: 16px 40px; } }
.checklist li { position: relative; padding-left: 34px; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 3px;
  width: 20px; height: 20px; border: 2px solid var(--sea); border-radius: 5px;
}
.checklist li::after {
  content: ""; position: absolute; left: 7px; top: 6px;
  width: 6px; height: 11px; border: solid var(--sea); border-width: 0 2px 2px 0; transform: rotate(45deg);
}

.how-paid { padding: 56px 0; }
.how-paid h2 { margin: 0 0 12px; font-size: 1.35rem; }
.how-paid p { margin: 0 0 10px; max-width: 62ch; color: var(--text-soft); }

.site-foot { border-top: 1px solid var(--divider); padding: 28px 0 40px; font-size: 14px; color: var(--text-soft); }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.site-foot a { color: var(--text-soft); }

.legal { padding: 48px 0 64px; }
.legal h1 { margin: 0 0 16px; font-size: clamp(2rem, 5vw, 2.8rem); letter-spacing: -0.03em; line-height: 1.1; }
.legal p, .legal li { max-width: 64ch; }
.legal ul { padding-left: 1.2em; }
.legal li { margin-bottom: 10px; }

.guide { padding: 40px 0 64px; }
.guide article { max-width: 760px; }
.crumbs { margin: 0 0 12px; font-size: 14px; color: var(--text-soft); }
.crumbs a { color: var(--text-soft); }
.guide h1 { margin: 0 0 24px; font-size: clamp(2rem, 5vw, 2.9rem); line-height: 1.1; letter-spacing: -0.03em; }
.guide h2 { margin: 44px 0 12px; font-size: 1.5rem; line-height: 1.2; letter-spacing: -0.02em; }
.guide h3 { margin: 0 0 6px; font-size: 1.1rem; }
.guide p { margin: 0 0 16px; }
.closure-notice {
  margin: 0 0 24px; padding: 16px 18px; border-radius: 10px;
  border: 1px solid #e3b4a6; background: #fbeee9; color: #5a2416;
}
@media (prefers-color-scheme: dark) {
  .closure-notice { border-color: #6b3a2d; background: #2a1914; color: #f2cfc4; }
}
.guide-intro { font-size: 1.12rem; color: var(--text-soft); }
.places { display: grid; gap: 24px; margin-top: 8px; }
.places section { padding: 18px 20px; border: 1px solid var(--divider); border-radius: 10px; background: var(--panel); }
.places p { margin: 0; color: var(--text-soft); }
.sources { margin-top: 48px; padding-top: 8px; border-top: 1px solid var(--divider); font-size: 15px; color: var(--text-soft); }
.sources h2 { margin-top: 24px; font-size: 1.1rem; }
.sources li { margin-bottom: 6px; }

.guide-list { padding: 56px 0; border-top: 1px solid var(--divider); }
.guide-list h2 { margin: 0 0 20px; font-size: 1.75rem; letter-spacing: -0.02em; }
.guide-list ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 16px; }
@media (min-width: 700px) { .guide-list ul { grid-template-columns: 1fr 1fr; } }
.guide-list a { display: block; padding: 18px 20px; border: 1px solid var(--divider); border-radius: 10px; background: var(--panel); color: var(--text); text-decoration: none; }
.guide-list a:hover { border-color: var(--sea); }
.guide-list strong { display: block; margin-bottom: 4px; }
.guide-list span { color: var(--text-soft); font-size: 15px; }