:root {
  color-scheme: light dark;
  --accent: #1477d4;
  --accent-soft: #eaf4ff;
  --ink: #17202a;
  --muted: #5e6874;
  --line: #dce2e8;
  --page: #f5f7f9;
  --surface: #ffffff;
  --success: #18794e;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.68;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

.page-header {
  padding: 48px 24px 40px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  text-align: center;
}

.app-icon {
  display: block;
  margin: 0 auto 18px;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgb(23 32 42 / 14%);
}

h1 {
  max-width: 760px;
  margin: 0 auto;
  font-size: 38px;
  line-height: 1.18;
  font-weight: 760;
  letter-spacing: 0;
}

.page-header p {
  margin: 12px auto 0;
  color: var(--muted);
  font-size: 16px;
}

main {
  background: var(--surface);
}

.policy {
  width: min(100% - 40px, 760px);
  margin: 0 auto;
  padding: 42px 0 56px;
}

.policy h2 {
  margin: 42px 0 12px;
  padding-top: 4px;
  color: var(--accent);
  font-size: 22px;
  line-height: 1.3;
  font-weight: 720;
  letter-spacing: 0;
}

.policy p {
  margin: 0 0 18px;
}

.policy > p:first-child {
  display: table;
  margin: 0 0 28px;
  padding: 7px 12px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--success);
  font-size: 15px;
}

.policy ul {
  margin: 8px 0 22px;
  padding: 0;
  list-style: none;
}

.policy li {
  position: relative;
  margin: 9px 0;
  padding-left: 22px;
}

.policy li::before {
  position: absolute;
  top: 0.72em;
  left: 3px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible {
  border-radius: 3px;
  outline: 3px solid rgb(20 119 212 / 30%);
  outline-offset: 3px;
}

.notice {
  padding: 12px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
}

footer {
  padding: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
  font-size: 14px;
}

footer p {
  margin: 0;
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
  }

  .page-header {
    padding: 34px 20px 30px;
  }

  .app-icon {
    width: 72px;
    height: 72px;
    border-radius: 17px;
  }

  h1 {
    font-size: 30px;
  }

  .policy {
    width: min(100% - 32px, 760px);
    padding: 30px 0 44px;
  }

  .policy h2 {
    margin-top: 34px;
    font-size: 20px;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #66b5ff;
    --accent-soft: #132b3f;
    --ink: #edf2f7;
    --muted: #aeb8c2;
    --line: #34404c;
    --page: #11161b;
    --surface: #191f25;
    --success: #7ed6aa;
  }

  .app-icon {
    box-shadow: 0 8px 24px rgb(0 0 0 / 40%);
  }
}

@media print {
  :root {
    --page: #ffffff;
    --surface: #ffffff;
  }

  .page-header {
    padding-top: 20px;
  }

  .app-icon {
    box-shadow: none;
  }

  .policy {
    width: 100%;
  }
}