:root {
  --navy: #111f3b;
  --navy-dark: #071327;
  --blue: #245b9f;
  --gray: #5d6877;
  --line: #dbe2ee;
  --bg: #f8fafd;
  --white: #ffffff;
  --pink-soft: #fff1f3;
  --red: #b84c5a;
  --shadow: 0 18px 54px rgba(17, 31, 59, 0.14);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #182235;
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.8;
}

a {
  color: inherit;
}

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

.hero {
  padding: 80px 0 70px;
  color: var(--white);
  background:
    radial-gradient(circle at top right, rgba(255, 152, 170, 0.34), transparent 32%),
    linear-gradient(135deg, var(--navy-dark), var(--navy));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 42px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero .eyebrow,
.card-label {
  color: #ffd0d7;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.18;
  letter-spacing: -0.06em;
}

h2 {
  margin-bottom: 14px;
  color: var(--navy);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.3;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 20px;
}

.lead {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}

.lead strong {
  color: var(--white);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 26px;
  font-weight: 900;
  text-align: center;
  text-decoration: none;
}

.button.primary {
  color: var(--white);
  background: var(--red);
  box-shadow: 0 14px 32px rgba(184, 76, 90, 0.28);
}

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.button.large {
  min-height: 60px;
  padding: 0 34px;
  font-size: 17px;
}

.diagnosis-card,
.card,
.check-list,
.cta-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.diagnosis-card {
  padding: 30px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.diagnosis-card ul {
  margin: 0;
  padding-left: 20px;
}

.section {
  padding: 78px 0;
}

.muted {
  background: var(--pink-soft);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading p,
.two-column p,
.card p,
.flow-item p,
.cta-box p {
  color: var(--gray);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  padding: 26px;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 420px);
  gap: 34px;
  align-items: center;
}

.check-list {
  padding: 28px;
}

.check-list p {
  color: var(--navy);
  font-weight: 900;
}

.check-list ul {
  margin: 0;
  padding-left: 20px;
}

.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.flow-item {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.flow-item span {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--white);
  background: var(--navy);
  border-radius: 50%;
  font-weight: 900;
}

.cta-box {
  padding: 42px;
  text-align: center;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 26px;
}

.cta-box .button.secondary {
  color: var(--navy);
  border: 1px solid var(--line);
  background: var(--white);
}

.small-note {
  margin: 18px 0 0;
  font-size: 13px;
}

.footer {
  padding: 26px 0;
  color: rgba(255, 255, 255, 0.72);
  background: var(--navy-dark);
}

.footer p {
  margin: 0;
}

@media (max-width: 880px) {
  .hero-grid,
  .two-column,
  .cards,
  .flow {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .hero {
    padding: 58px 0 48px;
  }

  .section {
    padding: 58px 0;
  }

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

  .diagnosis-card,
  .card,
  .check-list,
  .cta-box {
    padding: 22px;
  }
}