:root {
  --ink: #17202a;
  --muted: #5d6875;
  --warm: #f7f3e3;
  --blue: #165cda;
  --blue-dark: #0a347e;
  --cyan: #1cc7d9;
  --gold: #f5b544;
  --red: #d91f11;
  --line: rgba(23, 32, 42, .12);
  --shadow: 0 22px 60px rgba(16, 39, 72, .12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Segoe UI", "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.75;
  background: var(--warm);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
  padding: 14px clamp(18px, 4vw, 52px);
  background: rgba(255, 253, 247, .9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand,
.nav,
.header-cta,
.button {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 950;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 8px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  color: #273340;
  font-size: 14px;
  font-weight: 900;
}

.nav a:hover {
  color: var(--blue);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #5a85e8);
  border-radius: 8px;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 0 12px 28px rgba(22, 92, 218, .22);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(420px, .82fr);
  gap: 42px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 78px 28px 54px;
  align-items: center;
}

.kicker,
.section-label {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero h1,
h2 {
  margin: 0;
  color: #111827;
  letter-spacing: 0;
  text-wrap: balance;
}

.hero h1 {
  max-width: 720px;
  font-size: clamp(42px, 5.5vw, 76px);
  line-height: 1.06;
  font-weight: 950;
}

h2 {
  font-size: clamp(30px, 3.5vw, 46px);
  line-height: 1.18;
  font-weight: 950;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.35;
}

.lead {
  max-width: 680px;
  margin: 24px 0;
  color: #374151;
  font-size: 18px;
  font-weight: 760;
}

.ad-disclosure {
  max-width: 680px;
  margin: -8px 0 22px;
  padding: 12px 14px;
  color: #314052;
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(22, 92, 218, .18);
  border-left: 4px solid var(--gold);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 850;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 13px 22px;
  border: 0;
  border-radius: 8px;
  font-weight: 950;
  cursor: pointer;
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #24bad4);
  box-shadow: 0 18px 38px rgba(22, 92, 218, .22);
}

.button.secondary {
  color: var(--blue-dark);
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(22, 92, 218, .22);
}

.answer-panel {
  overflow: hidden;
  padding: 18px;
  background: linear-gradient(145deg, #0b1728, #123b65);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.answer-top {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 38px;
  padding-bottom: 14px;
  color: #daf7ff;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
}

.answer-top span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ff6868;
}

.answer-top span:nth-child(2) {
  background: var(--gold);
}

.answer-top span:nth-child(3) {
  background: var(--cyan);
}

.query-box {
  margin: 18px 0;
  padding: 16px 18px;
  color: #fff;
  background: rgba(255, 255, 255, .10);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 8px;
  font-size: 20px;
  font-weight: 950;
}

.answer-stream {
  display: grid;
  gap: 12px;
}

.answer-stream article {
  padding: 18px;
  color: #d6e5f0;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .11);
  border-radius: 8px;
}

.answer-stream .active {
  color: #082028;
  background: linear-gradient(135deg, #d8fff4, #ffefbf);
}

.answer-stream b {
  display: block;
  margin-bottom: 4px;
  font-size: 18px;
}

.answer-stream p {
  margin: 0;
  font-weight: 720;
}

.content-band,
.comparison-section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 64px 28px;
}

.split,
.media-model,
.diagnosis-cta,
.recommendation {
  display: grid;
  grid-template-columns: .84fr 1.16fr;
  gap: 32px;
  align-items: start;
}

.media-model {
  padding-top: 36px;
  padding-bottom: 36px;
  background: rgba(255, 255, 255, .58);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(16, 39, 72, .07);
}

.article-copy,
.content-band > p,
.section-head p,
.risk-grid p,
.case-grid p,
.recommendation p {
  color: #4b5563;
  font-weight: 700;
}

.risk-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.risk-grid article,
.case-grid article,
.cta-panel {
  padding: 24px;
  background: rgba(255, 255, 255, .76);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(16, 39, 72, .08);
}

.risk-grid span,
.case-grid span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  color: #fff;
  border-radius: 50%;
  font-weight: 950;
}

.risk-grid span {
  background: var(--red);
}

.case-grid span {
  background: var(--blue);
}

.actual-case {
  padding-top: 42px;
  padding-bottom: 42px;
  background: linear-gradient(135deg, rgba(255, 255, 255, .68), rgba(233, 242, 251, .82));
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(16, 39, 72, .07);
}

.case-evidence {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr);
  gap: 16px;
  margin: 24px 0 8px;
}

.case-evidence figure {
  margin: 0;
  overflow: hidden;
  background: rgba(255, 255, 255, .88);
  border: 1px solid rgba(22, 92, 218, .16);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(16, 39, 72, .10);
}

.case-evidence img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: contain;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.case-evidence figcaption {
  padding: 12px 14px;
  color: #44515f;
  font-size: 13px;
  font-weight: 800;
}

.actual-case .button {
  margin-top: 22px;
}

.diagnosis-cta {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  background: linear-gradient(135deg, #102a66, #1a75d2);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.diagnosis-cta h2,
.diagnosis-cta p,
.diagnosis-cta .section-label {
  color: #fff;
}

.diagnosis-cta p {
  margin-bottom: 0;
  color: #dcecff;
  font-weight: 760;
}

.section-head {
  max-width: 850px;
  margin-bottom: 24px;
}

.comparison-card {
  overflow-x: auto;
  padding: 18px;
  background: rgba(255, 255, 255, .82);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.comparison-table {
  width: 100%;
  min-width: 800px;
  border-collapse: collapse;
  table-layout: fixed;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
}

.comparison-table th,
.comparison-table td {
  padding: 15px 12px;
  text-align: center;
  border-bottom: 1px solid rgba(23, 32, 42, .12);
}

.comparison-table tbody th {
  text-align: left;
  color: #263241;
  font-weight: 900;
}

.comparison-table .featured {
  background: #e9f2fb;
  color: #102a66;
  font-weight: 950;
}

.comparison-table thead .featured {
  color: #0a4fb8;
  font-size: 20px;
}

.mark {
  font-size: 24px;
  font-weight: 950;
}

.mark.good {
  color: #123b8e;
}

.mark.fair {
  color: #334155;
}

.mark.weak {
  color: #9a6a00;
}

.mark.no {
  color: #8b1d1d;
}

.table-note {
  margin: 12px 0 0;
  color: #667085;
  font-size: 13px;
  font-weight: 700;
}

.recommendation {
  align-items: center;
  padding-top: 42px;
}

.cta-panel {
  display: grid;
  gap: 14px;
  background: linear-gradient(145deg, #102a66, #155cbb);
  color: #fff;
}

.cta-panel strong {
  font-size: 26px;
  line-height: 1.3;
}

.cta-panel span {
  color: #dcecff;
  font-weight: 780;
}

.footer {
  padding: 28px;
  text-align: center;
  color: #526070;
  border-top: 1px solid var(--line);
  background: rgba(255, 253, 247, .82);
}

.footer a {
  color: var(--blue-dark);
  font-weight: 850;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 18px;
  }

  .nav {
    gap: 12px;
  }

  .hero,
  .split,
  .media-model,
  .diagnosis-cta,
  .recommendation {
    grid-template-columns: 1fr;
  }

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

  .risk-grid,
  .case-grid,
  .case-evidence {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .hero,
  .content-band,
  .comparison-section {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .button,
  .header-cta {
    width: 100%;
  }
}