:root {
  color-scheme: light;
  --blue: #2f7df6;
  --blue-dark: #165dcc;
  --ink: #172033;
  --muted: #637083;
  --line: #e4e9f1;
  --soft: #f4f7fb;
  --paper: #fff;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  line-height: 1.8;
}
a {
  color: var(--blue-dark);
  text-underline-offset: 3px;
}
.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 10;
  padding: 8px 12px;
  color: white;
  background: var(--ink);
  border-radius: 8px;
}
.skip-link:focus {
  top: 12px;
}
header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid rgba(228, 233, 241, 0.9);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}
.header-inner {
  width: min(1080px, calc(100% - 40px));
  height: 68px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: white;
  border-radius: 11px;
  background: linear-gradient(135deg, #56a7ff, #2f7df6);
  box-shadow: 0 6px 16px rgba(47, 125, 246, 0.26);
}
nav {
  display: flex;
  gap: 24px;
}
nav a {
  color: #435066;
  font-size: 14px;
  text-decoration: none;
}
main {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 52px 0 72px;
}
.hero {
  padding: 20px 6px 36px;
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}
h1 {
  margin: 0;
  font-size: clamp(36px, 6vw, 58px);
  line-height: 1.15;
  letter-spacing: -0.04em;
}
.lead {
  max-width: 700px;
  margin: 18px 0 30px;
  color: var(--muted);
  font-size: 18px;
}
.meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--line);
}
.meta div {
  padding: 16px;
  background: white;
}
.meta dt {
  color: var(--muted);
  font-size: 12px;
}
.meta dd {
  margin: 4px 0 0;
  font-size: 14px;
  font-weight: 650;
}
.policy-card {
  padding: 14px 54px 50px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
  box-shadow: 0 18px 60px rgba(31, 53, 88, 0.07);
}
.policy-card section {
  padding-top: 38px;
}
h2 {
  margin: 0 0 18px;
  font-size: 23px;
  line-height: 1.4;
  letter-spacing: -0.02em;
}
p {
  margin: 12px 0;
}
ol,
ul {
  margin: 12px 0;
  padding-left: 1.45em;
}
li {
  margin: 10px 0;
  padding-left: 0.25em;
}
strong {
  color: #222d41;
}
.sensitive-information {
  padding: 14px 16px;
  border-left: 4px solid #d6453d;
  border-radius: 8px;
  color: #84251f;
  background: #fff2f0;
  font-size: 1.06em;
  font-weight: 750;
}
.notice {
  margin: 22px 0 2px;
  padding: 18px 20px;
  border-left: 4px solid var(--blue);
  border-radius: 6px 12px 12px 6px;
  color: #29405f;
  background: #eef5ff;
}
.contact-card {
  display: grid;
  gap: 12px;
  margin: 20px 0;
  padding: 22px;
  border-radius: 16px;
  background: var(--soft);
  font-style: normal;
}
.contact-card span {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 14px;
}
.contact-card b {
  color: var(--muted);
  font-size: 14px;
}
footer {
  padding: 34px 20px 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
  font-size: 13px;
}
footer p {
  margin: 4px 0;
}

@media (max-width: 720px) {
  .header-inner {
    width: min(100% - 28px, 1080px);
    height: 60px;
  }
  nav {
    gap: 16px;
  }
  main {
    width: min(100% - 24px, 920px);
    padding: 30px 0 50px;
  }
  .hero {
    padding: 12px 4px 26px;
  }
  .lead {
    font-size: 16px;
  }
  .meta {
    grid-template-columns: 1fr 1fr;
  }
  .policy-card {
    padding: 2px 20px 34px;
    border-radius: 18px;
  }
  .policy-card section {
    padding-top: 30px;
  }
  h2 {
    font-size: 20px;
  }
  .contact-card span {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (max-width: 420px) {
  nav a:first-child {
    display: none;
  }
  h1 {
    font-size: 36px;
  }
  .meta {
    grid-template-columns: 1fr;
  }
  .meta div {
    padding: 12px 14px;
  }
  .policy-card {
    padding-inline: 16px;
  }
}

@media print {
  header,
  footer,
  .skip-link {
    display: none;
  }
  body {
    background: white;
  }
  main {
    width: 100%;
    padding: 0;
  }
  .policy-card {
    padding: 0;
    border: 0;
    box-shadow: none;
  }
}