:root {
  --bg: #f4f7fc;
  --panel: #ffffff;
  --ink: #18243a;
  --muted: #5b6980;
  --line: #d6dfec;
  --accent: #255fcb;
  --accent-soft: #e9f1ff;
  --warm: #fff4e2;
  --cool: #eef5ff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--ink);
  font-family: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;
  background:
    radial-gradient(900px 360px at 0% 0%, rgba(72, 118, 214, 0.12), transparent 55%),
    linear-gradient(180deg, #edf4ff 0%, var(--bg) 42%, #f8fbff 100%);
}

.compare-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 18px 48px;
}

.crumb {
  display: inline-flex;
  margin-bottom: 14px;
  color: #355a93;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 700;
}

.hero {
  border: 1px solid #cfdcf4;
  border-radius: 20px;
  padding: 22px 24px;
  background:
    radial-gradient(500px 220px at 0% 0%, rgba(90, 130, 230, 0.16), transparent 60%),
    linear-gradient(130deg, #13335c 0%, #1c4c86 44%, #285f9a 100%);
  color: #f5f8ff;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.79rem;
  letter-spacing: 0.08em;
  opacity: 0.82;
}

.hero h1 {
  margin: 0;
  font-family: "M PLUS Rounded 1c", "Zen Kaku Gothic New", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  line-height: 1.35;
}

.hero p {
  max-width: 760px;
  margin: 10px 0 0;
  color: rgba(245, 248, 255, 0.9);
  line-height: 1.75;
}

.hero-points {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-points span {
  border-radius: 999px;
  padding: 7px 12px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
}

.section {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  padding: 18px;
  box-shadow: 0 12px 32px rgba(30, 66, 126, 0.05);
}

.section h2 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.section-lead {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.7;
}

.check-grid,
.compare-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.check-card,
.compare-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}

.check-card {
  background: linear-gradient(180deg, #fff 0%, #fbfdff 100%);
}

.check-card h3,
.compare-card h3 {
  margin: 0 0 8px;
  font-size: 0.96rem;
}

.check-card p,
.compare-card p,
.compare-card li,
.tip-list li,
.timeline li {
  color: #435268;
  font-size: 0.9rem;
  line-height: 1.65;
}

.compare-card--good {
  background: var(--cool);
}

.compare-card--warn {
  background: var(--warm);
}

.compare-card ul,
.tip-list,
.timeline {
  margin: 0;
  padding-left: 18px;
}

.timeline li + li,
.tip-list li + li,
.compare-card li + li {
  margin-top: 6px;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 10px;
  padding: 0 14px;
  text-decoration: none;
  font-weight: 700;
}

.primary-link {
  background: var(--accent);
  color: #fff;
}

.secondary-link {
  border: 1px solid #c7d5ec;
  background: #fff;
  color: #2b4f87;
}

.note-box {
  border: 1px dashed #c6d5ee;
  border-radius: 12px;
  padding: 12px 14px;
  background: #fbfdff;
}

.note-box p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.ad-section {
  display: grid;
  gap: 10px;
  justify-items: center;
}

.ad-section-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #274b84;
  font-size: 0.88rem;
  font-weight: 700;
}

.ad-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 2px 8px;
  border: 1px solid #90abd6;
  color: #365b95;
  font-size: 0.72rem;
}

.ad-note {
  width: 100%;
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

@media (max-width: 760px) {
  .compare-shell {
    padding: 18px 14px 40px;
  }

  .hero {
    padding: 18px;
  }

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

  .action-row {
    flex-direction: column;
  }
}