:root {
  color-scheme: light dark;
  --paper: #f8f9fc;
  --ink: #171d29;
  --muted: #505a6d;
  --line: #dce2ed;
  --accent: #174ba5;
  font-family: -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #171a21;
    --ink: #f0f3fa;
    --muted: #bac3d5;
    --line: #3c4353;
    --accent: #a6c6ff;
  }
}

* { box-sizing: border-box; }

body {
  min-height: 100svh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.frame { width: min(100% - 48px, 900px); margin-inline: auto; }
.site-bar { border-bottom: 1px solid var(--line); }
.bar-content { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.wordmark { font-size: 17px; font-weight: 700; }
.site-label, .site-footer { color: var(--muted); font-size: 13px; }
.intro { padding-block: 72px 52px; }
.mark { display: block; width: 76px; height: 76px; border-radius: 8px; }
h1 { margin: 14px 0 6px; font-size: 56px; line-height: 1.12; }
.intro p { margin: 0; color: var(--muted); font-size: 19px; }
.availability { border-top: 1px solid var(--line); padding-block: 22px 28px; }
.service-heading { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; }
h2 { margin: 0; font-size: 18px; }
.service-status { font-size: 13px; font-weight: 650; color: var(--accent); }
.availability p { margin: 7px 0 0; color: var(--muted); }
.site-footer { margin-top: auto; border-top: 1px solid var(--line); padding-block: 18px; }

@media (max-width: 480px) {
  .frame { width: calc(100% - 40px); }
  .intro { padding-block: 48px 36px; }
  h1 { font-size: 42px; }
  .intro p { font-size: 17px; }
}