:root {
  --blue-900: #123766;
  --blue-700: #1762a6;
  --blue-600: #1f7ac8;
  --blue-100: #e9f4ff;
  --blue-050: #f5faff;
  --gray-900: #1f2933;
  --gray-700: #4b5563;
  --gray-200: #d9e2ec;
  --gray-100: #f4f7fb;
  --white: #ffffff;
  --accent: #f08a24;
  --shadow: 0 14px 34px rgba(18, 55, 102, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--gray-900);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", Meiryo, sans-serif;
  font-size: 18px;
  line-height: 1.85;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

.hero-figure,
.content-figure {
  margin: 0;
}

.hero-figure {
  margin-bottom: 22px;
}

.hero-figure img,
.content-figure img {
  display: block;
  width: 100%;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: var(--white);
}

.hero-figure img {
  box-shadow: 0 10px 24px rgba(18, 55, 102, 0.1);
}

.content-figure {
  margin-top: 30px;
}

.compact-figure {
  width: min(680px, 100%);
  margin-right: auto;
  margin-left: auto;
}

figcaption {
  margin-top: 10px;
  color: var(--gray-700);
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}

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

p {
  margin-bottom: 1em;
}

ul {
  margin: 0;
  padding: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--gray-200);
  backdrop-filter: blur(10px);
}

.header-inner {
  width: min(1120px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.clinic-name {
  margin: 0;
  color: var(--blue-900);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.narrow {
  width: min(880px, calc(100% - 32px));
}

.section {
  padding: 80px 0;
}

.section-blue {
  background: linear-gradient(135deg, #f5faff 0%, #e9f4ff 62%, #ffffff 100%);
}

.section-soft {
  background: var(--gray-100);
}

.section-blue-light {
  background: var(--blue-050);
}

.hero {
  padding: 96px 0 88px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  margin-bottom: 10px;
  color: var(--blue-700);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 24px;
  color: var(--blue-900);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.22;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 20px;
  color: var(--blue-900);
  font-size: 34px;
  line-height: 1.35;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  color: var(--blue-900);
  font-size: 22px;
  line-height: 1.45;
  letter-spacing: 0;
}

.lead {
  color: var(--gray-900);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.75;
}

.hero-panel,
.card,
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 28px;
}

.panel-title {
  margin-bottom: 18px;
  color: var(--blue-900);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.5;
}

.hero-panel li,
.check-list li,
.plain-list li {
  list-style: none;
}

.hero-panel li {
  position: relative;
  padding: 12px 0 12px 28px;
  border-bottom: 1px solid var(--gray-200);
  line-height: 1.6;
}

.hero-panel li:last-child {
  border-bottom: 0;
}

.hero-panel li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05em;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--blue-600);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.cta-row.center {
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 14px 28px;
  border: 2px solid transparent;
  border-radius: 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn-primary {
  color: var(--white);
  background: var(--accent);
  box-shadow: 0 10px 22px rgba(240, 138, 36, 0.26);
}

.btn-primary:hover {
  background: #d87518;
}

.btn-secondary {
  color: var(--white);
  background: var(--blue-700);
}

.btn-secondary:hover {
  background: var(--blue-900);
}

.btn-outline {
  color: var(--blue-700);
  background: var(--white);
  border-color: var(--blue-700);
}

.btn-outline:hover {
  color: var(--white);
  background: var(--blue-700);
}

.btn-small {
  min-height: 44px;
  padding: 10px 18px;
  font-size: 16px;
}

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

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 34px;
}

.check-list li {
  position: relative;
  min-height: 72px;
  padding: 18px 20px 18px 44px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: var(--white);
  font-weight: 700;
  line-height: 1.55;
}

.check-list li::before {
  left: 20px;
  top: 28px;
}

.text-block {
  max-width: 880px;
}

.feature-grid,
.reason-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 26px;
}

.card:last-child {
  grid-column: 1 / -1;
}

.number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  border-radius: 999px;
  color: var(--white);
  background: var(--blue-700);
  font-weight: 700;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 44px;
}

.steps {
  display: grid;
  gap: 18px;
}

.step {
  position: relative;
  padding: 28px 28px 26px 112px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: var(--white);
}

.step span {
  position: absolute;
  left: 28px;
  top: 30px;
  color: var(--blue-700);
  font-size: 15px;
  font-weight: 800;
}

.reason-grid article {
  padding: 26px;
  border-left: 5px solid var(--blue-600);
  background: var(--white);
  border-radius: 8px;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  padding: 24px 26px;
  box-shadow: none;
}

.faq-item h3 {
  font-size: 21px;
}

.final-cta {
  color: var(--white);
  background: var(--blue-900);
  text-align: center;
}

.final-cta h2,
.final-cta .eyebrow {
  color: var(--white);
}

.final-cta p {
  color: #eaf3ff;
}

.clinic-info {
  background: var(--gray-100);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
}

.plain-list {
  margin-bottom: 28px;
}

.plain-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-200);
}

.site-footer {
  padding: 30px 0;
  color: var(--white);
  background: #0d294d;
  font-size: 15px;
  line-height: 1.7;
}

.site-footer p {
  margin-bottom: 4px;
}

.mobile-cta {
  display: none;
}

@media (max-width: 820px) {
  body {
    padding-bottom: 86px;
    font-size: 17px;
  }

  .header-inner {
    min-height: 64px;
  }

  .clinic-name {
    font-size: 17px;
  }

  .header-actions .btn {
    display: none;
  }

  .section {
    padding: 58px 0;
  }

  .hero {
    padding: 64px 0 58px;
  }

  .hero-grid,
  .split,
  .info-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  h1 {
    font-size: 36px;
  }

  h2 {
    font-size: 28px;
  }

  h3 {
    font-size: 21px;
  }

  .lead {
    font-size: 19px;
  }

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

  .card:last-child {
    grid-column: auto;
  }

  .step {
    padding: 70px 22px 24px;
  }

  .step span {
    left: 22px;
    top: 22px;
  }

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

  .btn {
    width: 100%;
  }

  .mobile-cta {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.97);
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 -10px 24px rgba(18, 55, 102, 0.14);
  }

  .mobile-cta .btn {
    min-height: 56px;
    padding: 12px 14px;
    font-size: 17px;
  }
}

@media (max-width: 440px) {
  .container,
  .narrow,
  .header-inner {
    width: min(100% - 24px, 1120px);
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 26px;
  }

  .hero-panel,
  .card,
  .faq-item,
  .reason-grid article {
    padding: 22px;
  }

  .check-list li {
    padding-right: 16px;
  }
}