:root {
  color-scheme: dark;
  --background: #080d17;
  --surface: #111a28;
  --text: #eef2f7;
  --muted: #a5afbf;
  --line: #263244;
  --button-border: #7c899c;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--background);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  font-size: 16px;
  line-height: 1.6;
}

p {
  margin: 0;
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(1120px, calc(100% - 48px));
  min-height: 80px;
  margin-inline: auto;
  padding-block: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.domain {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 500;
}

svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.header-label {
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

main {
  display: grid;
  place-items: center;
  padding: 72px 24px;
}

.notice {
  width: 100%;
  max-width: 800px;
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 5px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
  font-size: 13px;
}

h1 {
  margin: 24px 0 12px;
  font-size: clamp(1.875rem, 6vw, 4rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.subtitle {
  color: #c7d0dd;
  font-size: clamp(1.0625rem, 2.5vw, 1.25rem);
}

.disclaimer {
  max-width: 560px;
  margin: 24px auto 0;
  color: var(--muted);
}

.contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  max-width: 100%;
  min-height: 48px;
  margin-top: 32px;
  padding: 12px 20px;
  border: 1px solid var(--button-border);
  border-radius: 6px;
  color: var(--text);
  background: transparent;
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
}

.contact:hover {
  background: var(--surface);
  border-color: var(--text);
}

.contact:focus-visible {
  outline: 3px solid var(--text);
  outline-offset: 5px;
}

footer {
  padding: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

@media (max-width: 540px) {
  .header-inner {
    width: calc(100% - 32px);
    gap: 12px;
  }

  .domain {
    gap: 8px;
    font-size: 14px;
  }

  .header-label {
    max-width: 118px;
    font-size: 12px;
  }

  main {
    padding: 56px 20px;
  }

  .contact {
    padding-inline: 14px;
  }
}