/* ============================================================
   info.css — 情報系ページの共通スタイル
   対象: download.html / manual.html / introduction.html
   - ヒーロー・セクション枠・リードなどの汎用パーツ
   - 各ページ固有セクション (download-* / manual-*)
   - 汎用 CTA ブロック (info-cta)
============================================================ */

/* === 汎用: ヒーロー・セクション枠・リード === */
.info-hero {
  padding: 140px 0 60px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.info-hero-eyebrow {
  display: inline-block;
  font-family: 'Sora', sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.info-hero h1 {
  font-family: 'Sora', 'Noto Sans JP', sans-serif;
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  letter-spacing: -0.025em;
  margin: 0 0 16px;
}

.info-hero-lead {
  margin: 0 auto;
  max-width: 680px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-secondary);
}

.info-section {
  padding: 80px 0;
}

.info-section + .info-section {
  padding-top: 0;
}

.info-section-heading {
  font-family: 'Sora', 'Noto Sans JP', sans-serif;
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.info-section-lead {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.95;
  margin: 0 0 32px;
}

@media (max-width: 768px) {
  .info-hero { padding: 110px 0 48px; }
  .info-section { padding: 56px 0; }
}

/* === download.html 固有 === */
.download-page .info-hero {
  position: relative;
  overflow: hidden;
  padding: 132px 0 68px;
  border-bottom: none;
  background:
    radial-gradient(circle at 78% 22%, rgba(219, 234, 254, 0.82) 0, rgba(219, 234, 254, 0) 28%),
    radial-gradient(circle at 12% 88%, rgba(207, 250, 254, 0.52) 0, rgba(207, 250, 254, 0) 30%),
    linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.download-page .info-hero::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(82, 115, 199, 0.22), transparent);
}

.download-page .info-hero-eyebrow {
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--primary-light);
  letter-spacing: 0;
  margin-bottom: 20px;
}

.download-page .info-hero h1 {
  font-size: 48px;
  line-height: 1.2;
  letter-spacing: 0;
}

.download-page .info-hero-lead {
  max-width: 720px;
  font-size: 16px;
}

.download-page .info-section {
  padding: 76px 0 88px;
  background:
    radial-gradient(circle at 90% 8%, rgba(219, 234, 254, 0.48) 0, rgba(219, 234, 254, 0) 30%),
    linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.download-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.download-page .download-layout {
  max-width: 1080px;
  margin: 0 auto;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 76px;
}

.download-page .download-visual {
  position: relative;
}

.download-page .download-visual::before {
  content: '';
  position: absolute;
  inset: 22% 7% 5%;
  border-radius: 50%;
  background: rgba(82, 115, 199, 0.1);
  filter: blur(34px);
}

.download-visual img {
  display: block;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  height: auto;
}

.download-page .download-visual img {
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 18px 36px rgba(82, 115, 199, 0.1));
}

.download-content {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.download-lead {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-secondary);
  margin: 0;
}

.download-group-heading {
  font-family: 'Sora', 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.download-page .download-group-heading {
  font-size: 15px;
  letter-spacing: 0;
  border-bottom-color: #D7E3F4;
}

.download-btns {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  font-family: 'Sora', 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
  width: fit-content;
  min-width: 204px;
  box-shadow: 0 8px 22px rgba(82, 115, 199, 0.16);
}

.download-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(82, 115, 199, 0.22);
}

.download-btn-windows {
  background: linear-gradient(135deg, #2E7BEA 0%, #1F5FD1 100%);
}

.download-btn-windows:hover {
  background: linear-gradient(135deg, #3A86F0 0%, #194EAD 100%);
}

.download-btn-macos {
  background: linear-gradient(135deg, #6674F4 0%, #4A58D5 100%);
}

.download-btn-macos:hover {
  background: linear-gradient(135deg, #7481FA 0%, #3945B6 100%);
}

.download-btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.download-stores {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.download-stores a {
  display: inline-block;
  line-height: 0;
  transition: transform var(--transition-fast);
}

.download-stores a:hover {
  transform: translateY(-1px);
}

.download-stores img {
  display: block;
  height: 54px;
  width: auto;
}

@media (max-width: 840px) {
  .download-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .download-visual img { max-width: 320px; }
  .download-stores img { height: 48px; }
}

@media (max-width: 768px) {
  .download-page .info-hero {
    padding: 110px 0 52px;
  }

  .download-page .info-hero h1 {
    font-size: 34px;
  }

  .download-page .info-section {
    padding: 58px 0 70px;
  }

  .download-page .download-layout {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .download-page .download-btn {
    width: 100%;
  }
}

/* === manual.html 固有 === */
.manual-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.manual-video-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.manual-video-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.manual-video-poster {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-section);
}

.manual-video-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.manual-video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base);
}

.manual-video-card:hover .manual-video-play {
  transform: translate(-50%, -50%) scale(1.08);
}

.manual-video-play svg {
  width: 22px;
  height: 22px;
  fill: var(--primary);
  margin-left: 3px;
}

.manual-video-caption {
  padding: 20px 24px 22px;
}

.manual-video-label {
  display: inline-block;
  font-family: 'Sora', sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.manual-video-title {
  font-family: 'Sora', 'Noto Sans JP', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.5;
  letter-spacing: -0.01em;
  margin: 0;
}

.manual-video-body {
  margin: 10px 0 0;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.85;
}

.manual-note {
  margin: 48px auto 0;
  max-width: 720px;
  padding: 24px 28px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-align: center;
}

.manual-note-heading {
  font-family: 'Sora', 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 10px;
}

.manual-note p {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-secondary);
  margin: 0;
}

@media (max-width: 840px) {
  .manual-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .manual-video-play { width: 56px; height: 56px; }
  .manual-video-caption { padding: 18px 20px 20px; }
}

/* === manual.html 固有: トップページと同じトーンへ調整 === */
.manual-page .info-hero {
  position: relative;
  overflow: hidden;
  padding: 132px 0 68px;
  border-bottom: none;
  background:
    radial-gradient(circle at 78% 22%, rgba(219, 234, 254, 0.82) 0, rgba(219, 234, 254, 0) 28%),
    radial-gradient(circle at 12% 88%, rgba(207, 250, 254, 0.52) 0, rgba(207, 250, 254, 0) 30%),
    linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.manual-page .info-hero::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(82, 115, 199, 0.22), transparent);
}

.manual-page .info-hero-eyebrow {
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--primary-light);
  letter-spacing: 0;
  margin-bottom: 20px;
}

.manual-page .info-hero h1 {
  font-size: 48px;
  line-height: 1.2;
  letter-spacing: 0;
}

.manual-page .info-hero-lead {
  max-width: 760px;
  font-size: 16px;
}

.manual-page .info-section {
  padding: 76px 0 88px;
  background:
    radial-gradient(circle at 90% 8%, rgba(219, 234, 254, 0.48) 0, rgba(219, 234, 254, 0) 30%),
    linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.manual-page .manual-grid {
  max-width: 1080px;
  margin: 0 auto;
  gap: 28px;
}

.manual-page .manual-video-card {
  background: #FFFFFF;
  border: 1px solid #D7E3F4;
  border-radius: var(--radius-xl);
  box-shadow: 0 14px 36px rgba(82, 115, 199, 0.08);
}

.manual-page .manual-video-card:hover {
  border-color: rgba(82, 115, 199, 0.38);
  box-shadow: 0 20px 48px rgba(82, 115, 199, 0.13);
}

.manual-page .manual-video-poster {
  background: #F8FBFF;
  border-bottom: 1px solid var(--border-light);
}

.manual-page .manual-video-play {
  width: 84px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(135deg, #FF0033 0%, #D90021 100%);
  box-shadow: 0 14px 30px rgba(217, 0, 33, 0.28);
}

.manual-page .manual-video-play svg {
  width: 34px;
  height: 34px;
  fill: #FFFFFF;
  margin-left: 5px;
}

.manual-page .manual-video-caption {
  padding: 24px 26px 26px;
}

.manual-page .manual-video-label {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--primary-light);
  letter-spacing: 0;
  margin-bottom: 12px;
}

.manual-page .manual-video-title {
  font-size: 20px;
  line-height: 1.45;
  letter-spacing: 0;
}

.manual-page .manual-video-body {
  font-size: 15px;
  line-height: 1.9;
}

.manual-page .manual-note {
  margin-top: 42px;
  max-width: 760px;
  padding: 30px 34px;
  background:
    radial-gradient(circle at 12% 100%, rgba(207, 250, 254, 0.42), transparent 34%),
    linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
  border-color: #D7E3F4;
  border-radius: var(--radius-xl);
  box-shadow: 0 12px 34px rgba(82, 115, 199, 0.08);
}

.manual-page .manual-note-heading {
  font-size: 18px;
}

.manual-page .info-cta {
  padding: 84px 0;
  background: #FFFFFF;
  border-top: 1px solid var(--border-light);
}

.manual-page .info-cta .container {
  max-width: 1000px;
  padding: 46px 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 12% 100%, rgba(207, 250, 254, 0.45), transparent 34%),
    linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
  box-shadow: 0 14px 44px rgba(82, 115, 199, 0.09);
}

.manual-page .info-cta-heading {
  font-size: 34px;
  letter-spacing: 0;
  margin-bottom: 16px;
}

.manual-page .info-cta-lead {
  font-size: 16px;
  max-width: 660px;
}

@media (max-width: 768px) {
  .manual-page .info-hero {
    padding: 110px 0 52px;
  }

  .manual-page .info-hero h1 {
    font-size: 34px;
  }

  .manual-page .info-section {
    padding: 58px 0 70px;
  }

  .manual-page .manual-grid {
    gap: 24px;
  }

  .manual-page .manual-video-caption {
    padding: 22px 22px 24px;
  }

  .manual-page .manual-video-title {
    font-size: 19px;
  }

  .manual-page .manual-note {
    padding: 26px 24px;
  }

  .manual-page .info-cta {
    padding: 58px 0;
  }

  .manual-page .info-cta .container {
    padding: 34px 24px;
  }

  .manual-page .info-cta-heading {
    font-size: 28px;
  }
}

/* === 汎用: CTA ブロック (manual/plan/introduction で共有) === */
.info-cta {
  background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
  border-top: 1px solid var(--border);
  padding: 80px 0;
  text-align: center;
}

.info-cta-heading {
  font-family: 'Sora', 'Noto Sans JP', sans-serif;
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

.info-cta-lead {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin: 0 auto 28px;
  max-width: 560px;
}

.info-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.info-cta-buttons .btn-outline {
  background: var(--bg-white);
}

.info-cta-buttons .btn-outline:hover {
  background: var(--primary);
}

@media (max-width: 768px) {
  .info-cta { padding: 56px 0; }
}

/* === introduction.html 固有: トップページと同じトーンへ調整 === */
.introduction-page .info-hero {
  position: relative;
  overflow: hidden;
  padding: 132px 0 86px;
  text-align: left;
  border-bottom: none;
  background:
    radial-gradient(circle at 82% 22%, rgba(219, 234, 254, 0.84) 0, rgba(219, 234, 254, 0) 28%),
    radial-gradient(circle at 8% 88%, rgba(207, 250, 254, 0.56) 0, rgba(207, 250, 254, 0) 30%),
    linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.introduction-page .info-hero::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(82, 115, 199, 0.22), transparent);
}

.introduction-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.78fr);
  gap: 72px;
  align-items: center;
}

.introduction-hero-content {
  max-width: 680px;
}

.introduction-page .info-hero-eyebrow {
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  letter-spacing: 0;
  margin-bottom: 22px;
}

.introduction-page .info-hero h1 {
  font-size: 56px;
  line-height: 1.18;
  letter-spacing: 0;
  margin: 0 0 22px;
  text-wrap: balance;
}

.introduction-page .info-hero-lead {
  max-width: 620px;
  margin: 0;
  font-size: 16px;
  line-height: 1.95;
}

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

.introduction-hero-visual {
  position: relative;
}

.introduction-hero-visual::before {
  content: '';
  position: absolute;
  inset: 36px -18px -18px 44px;
  background: rgba(82, 115, 199, 0.12);
  filter: blur(28px);
  border-radius: 28px;
}

.intro-visual-card {
  position: relative;
  z-index: 1;
  padding: 24px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid #D7E3F4;
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.1);
}

.intro-visual-header {
  display: flex;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.intro-visual-header span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.intro-visual-header span:nth-child(1) { background: #E65275; }
.intro-visual-header span:nth-child(2) { background: #F59E0B; }
.intro-visual-header span:nth-child(3) { background: #22C55E; }

.intro-visual-title {
  font-family: 'Sora', 'Noto Sans JP', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.intro-visual-step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #FFFFFF;
}

.intro-visual-step + .intro-visual-step {
  margin-top: 10px;
}

.intro-visual-step.is-active {
  border-color: rgba(82, 115, 199, 0.34);
  background: #F8FBFF;
}

.intro-step-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-gradient);
  color: #FFFFFF;
  font-family: 'Sora', sans-serif;
  font-size: 14px;
  font-weight: 700;
}

.intro-visual-step strong {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
}

.intro-visual-step span {
  display: block;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.introduction-page .sec-chapter {
  position: relative;
  padding: 78px 0 26px;
  background: #FFFFFF;
  border: none;
  text-align: center;
}

.introduction-page .sec-chapter::before {
  content: attr(data-label);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  font-family: 'Sora', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
}

.introduction-page .sec-chapter-title {
  max-width: 760px;
  margin: 0 auto;
  font-size: 40px;
  line-height: 1.32;
  text-wrap: balance;
}

.introduction-page .sec-title-line {
  display: block;
}

.introduction-page .sec-title-phrase {
  display: inline-block;
}

.introduction-page .sec-row-group {
  padding: 34px 0 84px;
  background:
    radial-gradient(circle at 90% 10%, rgba(219, 234, 254, 0.56) 0, rgba(219, 234, 254, 0) 28%),
    linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.introduction-page .sec-row-group > .container {
  gap: 28px;
}

.introduction-page .sec-row {
  grid-template-columns: 0.95fr 1.05fr;
  gap: 42px;
  padding: 34px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: 0 12px 32px rgba(82, 115, 199, 0.07);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.introduction-page .sec-row:hover {
  transform: translateY(-3px);
  border-color: #D7E3F4;
  box-shadow: 0 18px 42px rgba(82, 115, 199, 0.11);
}

.introduction-page .sec-row-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--bg-light);
  border: 1px solid var(--border);
}

.introduction-page .sec-row-img img {
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  box-shadow: none;
}

.introduction-page .sec-row-text {
  min-width: 0;
}

.introduction-page .sec-row-title {
  font-size: 24px;
  line-height: 1.48;
  margin-bottom: 16px;
}

.introduction-page .sec-row-body {
  font-size: 15.5px;
  line-height: 1.95;
}

.intro-text-link {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(82, 115, 199, 0.38);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.intro-text-link:hover {
  color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.introduction-page .info-cta {
  padding: 84px 0;
  background: #FFFFFF;
  border-top: 1px solid var(--border-light);
}

.introduction-page .info-cta .container {
  max-width: 1000px;
  padding: 46px 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 12% 100%, rgba(207, 250, 254, 0.45), transparent 34%),
    linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
  box-shadow: 0 14px 44px rgba(82, 115, 199, 0.09);
}

.introduction-page .info-cta-heading {
  font-size: 34px;
  margin-bottom: 16px;
}

.introduction-page .info-cta-lead {
  font-size: 16px;
  max-width: 620px;
}

.introduction-page .info-cta-buttons {
  gap: 14px;
}

@media (max-width: 920px) {
  .introduction-hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .introduction-hero-content {
    max-width: none;
  }

  .introduction-page .info-hero h1 {
    font-size: 48px;
  }

  .introduction-page .sec-row {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 26px;
  }
}

@media (max-width: 768px) {
  .introduction-page .info-hero {
    padding: 110px 0 58px;
  }

  .introduction-page .info-hero h1 {
    font-size: 36px;
  }

  .introduction-page .sec-chapter-title {
    font-size: 30px;
  }

  .introduction-page .sec-row-title {
    font-size: 21px;
  }

  .introduction-page .info-cta-heading {
    font-size: 28px;
  }

  .introduction-hero-actions,
  .introduction-page .info-cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .introduction-hero-actions .btn,
  .introduction-page .info-cta-buttons .btn {
    width: 100%;
  }

  .intro-visual-card {
    padding: 20px;
  }

  .introduction-page .sec-chapter {
    padding: 56px 0 20px;
  }

  .introduction-page .sec-row-group {
    padding: 26px 0 58px;
  }

  .introduction-page .sec-row-group > .container {
    gap: 22px;
  }

  .introduction-page .sec-row {
    padding: 20px;
  }

  .introduction-page .info-cta {
    padding: 58px 0;
  }

  .introduction-page .info-cta .container {
    padding: 34px 24px;
  }
}