:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #5f5f5f;
  --line: #e4e4e4;
  --card: #f6f6f6;
  --button-bg: #111111;
  --button-text: #ffffff;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f0f;
    --text: #f2f2f2;
    --muted: #a3a3a3;
    --line: #2a2a2a;
    --card: #1a1a1a;
    --button-bg: #f2f2f2;
    --button-text: #111111;
  }
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.site-header, main, .site-footer {
  max-width: 680px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

a { color: inherit; text-underline-offset: 3px; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.site-header .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  text-decoration: none;
}
.site-header .brand img { border-radius: 50%; }
.site-header nav a { color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--text); }

main { padding-top: 40px; padding-bottom: 56px; }

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 16px; letter-spacing: -0.01em; }
h2 { font-size: 1.2rem; margin: 40px 0 12px; }
p, ul, dl { margin: 0 0 16px; }
ul { padding-left: 22px; }
li { margin-bottom: 8px; }

.lead { font-size: 1.15rem; color: var(--muted); }
.updated { color: var(--muted); font-size: 0.95rem; }

.app-icon { border-radius: 22%; margin-bottom: 16px; }

.card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  text-decoration: none;
}
.card img { border-radius: 22%; flex: none; }
.card strong { display: block; font-size: 1.1rem; }
.card span span { color: var(--muted); }

.stores { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.button {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 12px;
  background: var(--button-bg);
  color: var(--button-text);
  font-weight: 600;
  text-decoration: none;
}

dl { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; }

.policy p, .policy li { overflow-wrap: anywhere; }

.site-footer {
  padding-top: 24px;
  padding-bottom: 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 8px; }

@media (max-width: 520px) {
  h1 { font-size: 1.6rem; }
  dl { grid-template-columns: 1fr; gap: 2px; }
  dd { margin-bottom: 10px; }
}