.about-page-shell .about-content {
  padding-top: var(--space-12);
}

.about-page-shell .about-content p,
.about-page-shell .about-content li {
  color: var(--body);
  line-height: 1.6;
}

.about-page-shell .about-content h1,
.about-page-shell .about-content h2,
.about-page-shell .about-content h3,
.about-page-shell .about-list-intro {
  font-weight: 700;
}

.about-page-shell .about-hero,
.about-page-shell .about-split-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: var(--space-10);
}

.about-page-shell .about-hero > img,
.about-page-shell .about-split-section > img {
  width: 100%;
  max-height: 440px;
  object-fit: contain;
}

.about-page-shell .about-hero h1 {
  margin: 0;
  color: var(--accent);
  font-size: clamp(36px, 4.2vw, 58px);
  line-height: 1.12;
}

.about-page-shell .about-hero p,
.about-page-shell .about-split-section p {
  margin: var(--space-3) 0 0;
  font-size: 18px;
}

.about-page-shell .about-summary {
  width: min(650px, calc(100% - var(--space-6)));
  margin: var(--space-6) auto 0;
  padding: var(--space-4) 44px;
  color: var(--body);
  font-size: 17px;
  line-height: 1.55;
  text-align: center;
}

.about-page-shell .about-split-section {
  padding-top: var(--space-12);
}

.about-page-shell .about-split-section h2,
.about-page-shell .about-approach-section h2,
.about-page-shell .about-help-section h2 {
  margin: 0;
  color: var(--accent);
  font-size: clamp(30px, 3.4vw, 40px);
  line-height: 1.12;
}

.about-page-shell .about-split-section p + p {
  margin-top: var(--space-2);
}

.about-page-shell .about-split-section--image-first {
  gap: var(--space-12);
}

.about-page-shell .about-list-intro {
  margin: var(--space-3) 0 var(--space-2);
}

.about-page-shell .about-list {
  margin: 0;
  padding-left: 20px;
}

.about-page-shell .about-approach-section {
  padding-top: var(--space-12);
}

.about-page-shell .about-approach-section .optimization-list {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.about-page-shell .about-approach-section article h3 {
  margin: 0;
  color: #383737;
  font-size: 22px;
}

.about-page-shell .about-approach-section article p {
  margin: 4px 0 0;
  font-size: 18px;
}

.about-page-shell .section.about-help-section {
  position: relative;
  display: block;
  width: min(460px, calc(100% - var(--space-4)));
  margin-top: var(--space-10);
  padding: var(--space-5) var(--space-6);
  border: 1px solid rgba(166, 116, 255, 0.35);
  border-bottom: 4px solid var(--accent);
  border-radius: 18px;
  background: var(--panel-light);
  box-shadow: var(--shadow);
}

.about-page-shell .about-help-section .about-list-intro {
  margin-top: var(--space-2);
}

.about-page-shell .about-help-section img {
  position: absolute;
  top: -42px;
  right: var(--space-3);
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.about-page-shell .detail-faq {
  width: min(720px, calc(100% - var(--space-8)));
  padding-top: var(--space-10);
  text-align: center;
}

.about-page-shell .detail-faq .faq-list {
  margin-top: var(--space-4);
  text-align: left;
}

.about-page-shell .detail-faq .cta-card {
  margin-top: var(--space-6);
}

@media (max-width: 900px) {
  .about-page-shell .about-hero,
  .about-page-shell .about-split-section {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .about-page-shell .about-split-section--image-first > img {
    order: 2;
  }
}

@media (max-width: 620px) {
  .about-page-shell .about-content {
    padding-top: var(--space-8);
  }

  .about-page-shell .about-split-section,
  .about-page-shell .about-approach-section {
    padding-top: var(--space-10);
  }

  .about-page-shell .about-summary,
  .about-page-shell .detail-faq {
    width: calc(100% - var(--space-4));
  }

  .about-page-shell .about-summary {
    padding: var(--space-3);
  }

  .about-page-shell .section.about-help-section {
    margin-top: var(--space-10);
    padding: var(--space-4) var(--space-3);
  }
}