.page-ban-ca {
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  color: #1F2D3D;
  background-color: #F4F7FB;
  line-height: 1.7;
}
.page-ban-ca__hero-section {
  padding: 10px 24px 20px;
}
.page-ban-ca__hero-image-wrap {
  padding: 10px 24px;
}
.page-ban-ca__hero-image {
  display: block;
  width: 100%;
  max-width: 1200px;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 14px;
  margin: 0 auto;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.1);
}
.page-ban-ca__hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.page-ban-ca__title {
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: #2F6BFF;
  margin-top: 10px;
  margin-bottom: 8px;
}
.page-ban-ca__intro {
  font-size: 1.15rem;
  color: #1F2D3D;
  max-width: 720px;
  margin: 0 auto 24px;
}
.page-ban-ca__btn {
  display: inline-block;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  color: #ffffff;
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  padding: 14px 30px;
  box-shadow: 0 4px 8px rgba(47, 107, 255, 0.2);
  box-sizing: border-box;
  transition: transform 0.2s ease;
}
.page-ban-ca__btn:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 16px rgba(47, 107, 255, 0.3);
}
.page-ban-ca__btn--secondary {
  background: linear-gradient(180deg, #6FA3FF 0%, #2F6BFF 100%);
}
.page-ban-ca__features-section {
  padding: 32px 24px;
}
.page-ban-ca__section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  color: #2F6BFF;
  margin-bottom: 30px;
}
.page-ban-ca__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.page-ban-ca__feature-card {
  border: 1px solid #D6E2FF;
  border-radius: 16px;
  background: #FFFFFF;
  padding: 12px;
  transition: box-shadow 0.25s ease;
}
.page-ban-ca__feature-card:hover {
  box-shadow: 0 8px 12px rgba(47, 107, 255, 0.2);
}
.page-ban-ca__feature-image {
  display: block;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
}
.page-ban-ca__feature-title {
  color: #1F2D3D;
  font-size: 1.5rem;
  margin-top: 12px;
}
.page-ban-ca__feature-text {
  margin-top: 4px;
}
.page-ban-ca__guide-section {
  padding: 32px 24px 56px;
}
.page-ban-ca__guide-content {
  max-width: 1100px;
  margin: 0 auto;
}
.page-ban-ca__guide-item {
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border-radius: 16px;
  margin-top: 20px;
  border: 1px solid #D6E2FF;
  overflow: hidden;
}
.page-ban-ca__guide-item + .page-ban-ca__guide-item {
  margin-top: 28px;
}
.page-ban-ca__guide-image {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}
.page-ban-ca__guide-text {
  padding: 12px 20px 20px;
  text-align: center;
}
.page-ban-ca__guide-title {
  color: #2F6BFF;
  margin-bottom: 8px;
  font-size: 1.4rem;
}
.page-ban-ca__link {
  display: inline-block;
  margin-top: 8px;
  color: #2F6BFF;
  text-decoration: underline;
}
.page-ban-ca__tips-section {
  padding: 24px 24px 40px;
}
.page-ban-ca__tips-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.page-ban-ca__tip-card {
  background: #ffffff;
  border-left: 4px solid #2F6BFF;
  padding: 18px;
  border-radius: 0 12px 12px 0;
}
.page-ban-ca__tip-title {
  color: #1F2D3D;
}
.page-ban-ca__blog-section {
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.page-ban-ca__blog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.page-ban-ca__blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.page-ban-ca__post-card {
  border-radius: 16px;
  background: #fff;
  padding: 10px;
  border: 1px solid #D6E2FF;
}
.page-ban-ca__post-image {
  display: block;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
}
.page-ban-ca__post-title {
  margin-top: 12px;
  font-size: 1.2rem;
}
.page-ban-ca__post-link {
  text-decoration: none;
  color: #1F2D3D;
  font-weight: 600;
}
.page-ban-ca__post-link:hover {
  color: #2F6BFF;
  text-decoration: underline;
}
.page-ban-ca__faq-section {
  padding: 30px 24px 50px;
  max-width: 900px;
  margin: 0 auto;
}
.page-ban-ca__faq-item {
  background: #fff;
  max-width: 100%;
  box-sizing: border-box;
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px solid #D6E2FF;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
  margin-bottom: 18px;
}
.page-ban-ca__faq-item summary {
  font-size: 1.05rem;
  font-weight: 600;
  color: #1F2D3D;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.page-ban-ca__faq-icon {
  flex-shrink: 0;
  min-width: 24px;
  height: 24px;
  font-size: 1.2rem;
  line-height: 1;
  color: #fff;
  background: #2F6BFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.page-ban-ca__download-section {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #fff;
  text-align: center;
  padding: 40px 24px;
  border-radius: 24px 24px 0 0;
}
.page-ban-ca__download-text {
  max-width: 500px;
  margin: 12px auto 24px;
  color: #fff;
}
.page-ban-ca__download-section .page-ban-ca__btn--secondary {
  background: #ffffff;
  color: #2F6BFF;
  box-shadow: none;
}
.page-ban-ca__download-section .page-ban-ca__section-title {
  color: #ffffff;
}
@media (max-width: 768px) {
  .page-ban-ca__hero-section {
    padding: 8px 12px 16px;
  }
  .page-ban-ca__hero-image-wrap {
    padding: 8px 8px 0;
  }
  .page-ban-ca__hero-image {
    aspect-ratio: 16 / 10;
  }
  .page-ban-ca__title {
    font-size: 1.3rem;
  }
  .page-ban-ca__btn {
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    font-size: 0.95rem;
    padding: 12px 16px;
  }
  .page-ban-ca__features-grid,
  .page-ban-ca__tips-grid,
  .page-ban-ca__blog-grid {
    grid-template-columns: 1fr;
  }
  .page-ban-ca__post-card img,
  .page-ban-ca__feature-card img,
  .page-ban-ca__guide-item img {
    max-width: 100% !important;
    height: auto !important;
  }
  .page-ban-ca__blog-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .page-ban-ca__blog-header .page-ban-ca__link {
    margin-top: 4px;
  }
  .page-ban-ca__faq-section {
    padding: 24px 12px 40px;
  }
  .page-ban-ca__faq-item summary {
    font-size: 0.95rem;
  }
  .page-ban-ca__download-section {
    padding: 32px 16px;
  }
  .page-ban-ca__btn--secondary {
    margin-top: 8px;
  }
}