.page-ban-ca {
    color: #333333;
    background-color: #FFFFFF;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  }
  .page-ban-ca__hero-section {
    background: linear-gradient(135deg, #e0f7ff 0%, #ffffff 100%);
    padding-top: 10px;
    padding-bottom: 30px;
  }
  .page-ban-ca__hero-image-wrapper {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    box-sizing: border-box;
  }
  .page-ban-ca__hero-image {
    width: 100%;
    height: auto;
    aspect-ratio: 17 / 5;
    object-fit: cover;
    display: block;
    border-radius: 20px;
  }
  .page-ban-ca__hero-content {
    max-width: 1200px;
    margin: 20px auto 0;
    padding: 0 16px;
    text-align: center;
    box-sizing: border-box;
  }
  .page-ban-ca__hero-title {
    font-size: clamp(1.5rem, 2.5vw, 2.5rem);
    font-weight: 800;
    color: #0e639c;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
  }
  .page-ban-ca__hero-description {
    font-size: 1rem;
    line-height: 1.6;
    color: #333333;
    max-width: 850px;
    margin: 0 auto;
  }
  .page-ban-ca__logo-section {
    padding: 30px 16px 40px;
    background-color: #ffffff;
  }
  .page-ban-ca__logo-title {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    color: #0e639c;
    margin-bottom: 28px;
  }
  .page-ban-ca__logo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px 16px;
    justify-items: center;
    max-width: 1200px;
    margin: 0 auto;
  }
  .page-ban-ca__logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    max-width: 280px;
    width: 100%;
    border: 1px solid #e5f4fb;
    border-radius: 16px;
    padding: 16px 12px;
    box-sizing: border-box;
    background-color: #f9fcff;
    transition: box-shadow 0.2s ease;
  }
  .page-ban-ca__logo-item:hover {
    box-shadow: 0 4px 16px rgba(38, 169, 224, 0.15);
  }
  .page-ban-ca__logo-image {
    width: 100%;
    aspect-ratio: 2 / 1;
    object-fit: contain;
    border-radius: 8px;
  }
  .page-ban-ca__logo-cta {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 999px;
    background-color: #0477db;
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background-color 0.2s ease;
  }
  .page-ban-ca__logo-cta:hover {
    background-color: #025aa8;
  }
  .page-ban-ca__logo-item:nth-child(5) {
    grid-column: 2;
  }
  .page-ban-ca__logo-item:nth-child(6) {
    grid-column: 3;
  }
  .page-ban-ca__guide-section {
    padding: 20px 0 60px;
    background: linear-gradient(180deg, #ffffff 0%, #f2fbff 100%);
  }
  .page-ban-ca__guide-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 16px;
    box-sizing: border-box;
  }
  .page-ban-ca__guide-title {
    text-align: center;
    color: #0e639c;
    font-size: 1.7rem;
    font-weight: 800;
    margin-bottom: 16px;
  }
  .page-ban-ca__guide-intro {
    text-align: center;
    color: #333333;
    line-height: 1.6;
    margin-bottom: 32px;
  }
  .page-ban-ca__guide-item {
    background-color: #ffffff;
    border: 1px solid #d8eef9;
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
  }
  .page-ban-ca__guide-summary {
    list-style: none;
    cursor: pointer;
    padding: 18px 24px;
    font-weight: 700;
    font-size: 1.05rem;
    color: #0e3b57;
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: #f0faff;
    transition: background-color 0.2s ease;
  }
  .page-ban-ca__guide-summary::-webkit-details-marker {
    display: none;
  }
  .page-ban-ca__guide-summary:hover {
    background-color: #dff5ff;
  }
  .page-ban-ca__guide-step {
    background-color: #26a9e0;
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 999px;
    letter-spacing: 0.05em;
    white-space: nowrap;
  }
  .page-ban-ca__guide-toggle {
    margin-left: auto;
    background-color: #e0f0fa;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: #0477db;
    flex-shrink: 0;
  }
  .page-ban-ca__guide-content {
    padding: 20px 24px;
    line-height: 1.6;
    color: #333333;
  }
  .page-ban-ca__guide-figure {
    margin: 0 0 16px;
    width: 100%;
  }
  .page-ban-ca__guide-figure-image {
    width: 100%;
    max-width: 800px;
    aspect-ratio: 2 / 1;
    object-fit: cover;
    border-radius: 12px;
    display: block;
  }
  .page-ban-ca__guide-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 32px;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
  }
  .page-ban-ca__guide-button {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 999px;
    background-color: #26a9e0;
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
    font-size: 1rem;
    transition: background-color 0.2s ease;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
  }
  .page-ban-ca__guide-button:hover {
    background-color: #0e91c7;
  }
  .page-ban-ca__guide-button--outline {
    background-color: #ffffff;
    color: #0477db;
    border: 2px solid #26a9e0;
  }
  .page-ban-ca__guide-button--outline:hover {
    background-color: #f0faff;
  }
  @media (max-width: 1024px) {
    .page-ban-ca__logo-grid {
      gap: 16px;
    }
  }
  @media (max-width: 768px) {
    .page-ban-ca__hero-image {
      aspect-ratio: 2 / 1;
    }
    .page-ban-ca__hero-title {
      font-size: clamp(1.2rem, 4vw, 1.5rem);
    }
    .page-ban-ca__logo-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .page-ban-ca__logo-item:nth-child(5),
    .page-ban-ca__logo-item:nth-child(6) {
      grid-column: auto;
    }
    .page-ban-ca__logo-title {
      font-size: 1.25rem;
    }
    .page-ban-ca__guide-title {
      font-size: 1.3rem;
    }
    .page-ban-ca img {
      max-width: 100% !important;
      height: auto !important;
    }
    .page-ban-ca__guide-figure-image {
      max-width: 100%;
    }
    .page-ban-ca__guide-button {
      width: 100%;
      max-width: 100%;
    }
    .page-ban-ca__guide-cta {
      flex-direction: column;
    }
    .page-ban-ca__hero-content {
      padding: 0 12px;
    }
    .page-ban-ca__guide-inner {
      padding: 0 12px;
    }
    .page-ban-ca__logo-section {
      padding: 24px 12px 32px;
    }
    .page-ban-ca__hero-section {
      padding-bottom: 20px;
    }
  }