:root {
  color-scheme: light;
  --primary: #1c1c1e;
  --secondary: #3c3c43;
  --tertiary: #6d6d72;
  --background: #ffffff;
}

* { box-sizing: border-box; }

html, body {
  min-height: 100%;
  margin: 0;
  background: var(--background);
  color: var(--secondary);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Noto Sans JP", "Noto Sans", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.35;
  -webkit-text-size-adjust: 100%;
}

body { min-height: 100svh; }
a { -webkit-tap-highlight-color: transparent; }

.landing {
  width: min(100%, 430px);
  min-height: 100svh;
  margin: 0 auto;
  padding: max(64px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
}

.intro {
  margin: auto 0 40px;
  text-align: center;
}

h1 {
  margin: 0;
  color: var(--primary);
  font-size: 24px;
  line-height: 1.2;
  font-weight: 600;
}

#description {
  max-width: 310px;
  margin: 16px auto 0;
}

.install-links {
  display: grid;
  gap: 12px;
}

.install-button {
  min-height: 48px;
  padding: 12px 16px;
  border: 1px solid var(--primary);
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--primary);
  text-decoration: none;
}

.legal-links {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 16px;
}

.legal-links a {
  color: var(--tertiary);
  font-size: 13px;
  text-decoration: none;
}

@media (min-height: 700px) {
  .legal-links { margin-top: auto; padding-top: 48px; }
}