:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #eef5fb;
  --text: #1b2733;
  --muted: #5d6b7a;
  --line: #d8e2ec;
  --primary: #1d6f9f;
  --primary-dark: #155678;
  --accent: #6aa6c8;
  --shadow: 0 18px 45px rgba(27, 39, 51, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 48px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: #fff;
  background: var(--primary);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.92rem;
}

.site-nav a {
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--primary-dark);
  background: var(--surface-soft);
}

.hero {
  background: linear-gradient(180deg, #ffffff 0%, #eef5fb 100%);
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.7fr);
  gap: clamp(24px, 5vw, 56px);
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(42px, 7vw, 92px) 0;
}

.eyebrow,
.section-label {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0 0 16px;
  line-height: 1.28;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2rem, 2rem + 1vw, 3.15rem);
}

h2 {
  font-size: clamp(1.35rem, 1.1rem + 0.8vw, 2rem);
}

p {
  margin: 0 0 14px;
}

.hero-copy p {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.03rem;
}

.hero-actions,
.cta-band {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 7px;
  color: #fff;
  background: var(--primary);
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  background: var(--primary-dark);
}

.button.secondary {
  color: var(--primary-dark);
  background: #fff;
  border: 1px solid var(--line);
}

.hero-panel {
  align-self: start;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel strong {
  display: block;
  margin-bottom: 10px;
}

.hero-panel ul,
.check-list {
  margin: 0;
  padding-left: 1.2em;
}

.container {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 38px 0 64px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 34px;
}

.link-card {
  display: grid;
  gap: 8px;
  min-height: 174px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(27, 39, 51, 0.04);
}

.link-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.link-card span {
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
}

.link-card strong {
  font-size: 1.08rem;
  line-height: 1.45;
}

.link-card em {
  color: var(--muted);
  font-style: normal;
  font-size: 0.94rem;
}

.content-section,
.notice,
.cta-band {
  margin-top: 22px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.content-section p,
.notice p,
.cta-band p {
  color: var(--muted);
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
  margin-top: 16px;
  color: var(--text);
}

.notice {
  border-color: #b8d3e3;
  background: #f3f9fc;
}

.cta-band {
  justify-content: space-between;
}

.cta-band div {
  max-width: 720px;
}

.site-footer {
  background: #172635;
  color: #eef5fb;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 34px 0;
}

.footer-inner p {
  color: #b9c8d5;
}

.footer-inner nav {
  display: grid;
  gap: 8px;
}

.footer-inner a {
  color: #eef5fb;
  text-decoration: none;
}

.copyright {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 0 0 22px;
  color: #b9c8d5;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand {
    white-space: normal;
  }

  .site-nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-nav a {
    text-align: center;
    border: 1px solid var(--line);
  }

  .container,
  .hero-inner,
  .footer-inner,
  .copyright {
    width: min(100% - 28px, 1120px);
  }

  .card-grid,
  .check-list {
    grid-template-columns: 1fr;
  }

  .content-section,
  .notice,
  .cta-band,
  .hero-panel {
    padding: 20px;
  }
}