:root {
  color: #191f28;
  background: #f2f4f6;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  line-height: 1.65;
}

a { color: #0064ff; }

.site-header {
  border-bottom: 1px solid #e5e8eb;
  background: #fff;
}

.site-header__inner {
  width: min(100% - 32px, 760px);
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #191f28;
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

nav {
  display: flex;
  gap: 16px;
}

nav a {
  color: #6b7684;
  font-size: 14px;
  text-decoration: none;
}

nav a[aria-current="page"] {
  color: #191f28;
  font-weight: 700;
}

main {
  width: min(100% - 32px, 760px);
  margin: 32px auto;
  padding: 36px 40px 48px;
  background: #fff;
  border-radius: 8px;
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
  line-height: 1.3;
}

h2 {
  margin: 34px 0 8px;
  font-size: 20px;
  line-height: 1.45;
}

h3 {
  margin: 22px 0 6px;
  font-size: 16px;
}

p, li { font-size: 15px; }
ul, ol { padding-left: 22px; }
.effective-date { margin: 0 0 28px; color: #6b7684; }
.lead { color: #4e5968; }
.notice {
  margin: 24px 0;
  padding: 18px 20px;
  border-left: 4px solid #3182f6;
  background: #f2f7ff;
}
.notice strong { display: block; margin-bottom: 4px; }
.notice p { margin: 0; }
.action-link {
  display: inline-flex;
  min-height: 48px;
  margin-top: 12px;
  padding: 0 18px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: #3182f6;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}
.page-footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid #e5e8eb;
  color: #8b95a1;
  font-size: 13px;
}

@media (max-width: 600px) {
  .site-header__inner {
    width: 100%;
    min-height: auto;
    padding: 14px 20px;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  nav {
    width: 100%;
    gap: 14px;
    overflow-x: auto;
    white-space: nowrap;
  }

  main {
    width: 100%;
    margin: 0;
    padding: 28px 20px 44px;
    border-radius: 0;
  }
}
