/* AI detail prototype: shared FDE palette with a service-specific opening. */
.ai-opening { background: #193c70; color: #fff; }
.ai-frame { max-width: 1440px; margin-inline: auto; padding-inline: 6%; }
.ai-opening .breadcrumb { max-width: none; margin: 0; padding-top: 28px; color: #c9d9f3; }
.ai-opening .breadcrumb a { color: #dce7f8; }
.ai-opening .breadcrumb li + li::before { color: #a9c8ff; }
.ai-opening .ai-page-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); align-items: center; gap: 36px 60px; max-width: none; margin: 0; padding-block: 72px 84px; border: 0; }
.ai-page-copy .eyebrow { margin-bottom: 20px; color: #a9c8ff; font-family: var(--font-sans); font-size: 13px; letter-spacing: .12em; }
.ai-page-copy h1 { margin: 0 0 26px; color: #fff; font-family: var(--font-sans); font-size: clamp(34px, 3.5vw, 48px); font-weight: 700; letter-spacing: -.025em; }
.ai-page-copy .lead { max-width: 36em; margin: 0; color: #dce7f8; font-size: 16px; line-height: 2.05; }
.ai-page-copy .keep-line-at-tablet { white-space: normal; }
.ai-page-visual { margin: 0; }
.ai-page-visual img { width: 100%; height: auto; border-radius: 12px; }
.ai-page-visual figcaption { margin-top: 8px; color: #c9d9f3; font-size: 11px; text-align: right; }
.ai-opening .fde-section-contact { grid-column: 1 / -1; margin: 0; }
.ai-opening .fde-section-contact .btn { border-color: #a9c8ff; color: #fff; }
.ai-opening .fde-section-contact .btn:hover, .ai-opening .fde-section-contact .btn:focus-visible { border-color: #fff; background: #fff; color: #193c70; }
.ai-content-wrap { max-width: 1180px; }
.ai-stance-summary { max-width: none; padding: 1rem 0 1.2rem; border-bottom: 1px solid #d8e3f2; color: #1558d6; font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 700; line-height: 1.7; }
.ai-stance > p:not(.ai-stance-summary) { max-width: 52em; }
.ai-audience-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 36px; max-width: none; }
.ai-audience-list li { margin: 0; padding: 12px 0; border-top: 1px solid #d8e3f2; }
.ai-audience-list li::before { content: none; }
.ai-offer { max-width: 1100px; }
.ai-offer .section-head h2, .ai-service h3, .ai-service h4, .ai-support h3, .ai-support h4 { font-family: var(--font-sans); letter-spacing: -.02em; }
.ai-service { display: grid; grid-template-columns: minmax(0, .83fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: center; padding-block: 48px; border-top: 1px solid #d8e3f2; }
.ai-service:first-child { padding-top: 0; border-top: 0; }
.ai-service-visual { margin: 0; padding: 14px; border-radius: 12px; background: #edf4ff; }
.ai-service-visual img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 4px; }
.ai-service-visual figcaption { margin-top: 6px; color: #637593; font-size: 11px; text-align: right; }
.ai-service-reverse .ai-service-visual { order: 2; }
.ai-service-number { color: #1558d6; font-size: 12px; font-weight: 700; letter-spacing: .14em; }
.ai-service h3 { margin: 8px 0 16px; color: #20314f; font-size: clamp(22px, 2.4vw, 30px); }
.ai-service-copy p { max-width: none; margin-bottom: 22px; color: #4d6485; font-size: 15px; line-height: 1.9; }
.ai-service-copy h4 { margin-bottom: 12px; color: #20314f; font-size: 15px; }
.ai-service-copy .list { max-width: none; color: #4d6485; font-size: 14px; line-height: 1.8; }
.ai-service-copy .list li { margin-bottom: 8px; }
.ai-support { margin-top: 24px; padding-top: 44px; border-top: 1px solid #d8e3f2; }
.ai-support h3 { margin-bottom: 28px; color: #20314f; font-size: 22px; }
.ai-support-grid { display: grid; grid-template-columns: 1fr; gap: 0; }
.ai-support-grid > div { display: grid; grid-template-columns: minmax(0, .55fr) minmax(0, 1fr); gap: 24px; padding: 22px 0; border-top: 1px solid #d8e3f2; }
.ai-support h4 { margin-bottom: 14px; color: #20314f; font-size: 16px; }
.ai-support .list { color: #4d6485; font-size: 13px; line-height: 1.8; }
.ai-support .list li { margin-bottom: 10px; }
.ai-reasons, .ai-use-cases { max-width: 1100px; }
.ai-reasons .section-head h2, .ai-use-cases .section-head h2,
.ai-reason h3, .ai-use-case h3 { font-family: var(--font-sans); letter-spacing: -.02em; }
.ai-reasons-intro { max-width: none; padding-bottom: 20px; border-bottom: 1px solid #d8e3f2; color: #1558d6; font-size: clamp(18px, 2vw, 22px); font-weight: 700; line-height: 1.8; }
.ai-reasons-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.ai-reason { padding: 24px; background: #fff; border: 1px solid #d8e3f2; border-top: 2px solid #1558d6; }
.ai-reason-number { color: #1558d6; font-size: 12px; font-weight: 700; letter-spacing: .14em; }
.ai-reason h3 { margin: 8px 0 12px; color: #20314f; font-size: 18px; }
.ai-reason p { max-width: none; margin: 0; color: #4d6485; font-size: 14px; line-height: 1.9; }
.ai-use-cases-intro { max-width: none; margin-bottom: 10px; color: #4d6485; }
.ai-use-cases-note { max-width: none; color: #637593; font-size: 13px; }
.ai-use-case-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.ai-use-case { align-self: start; background: #fff; border: 1px solid #d8e3f2; border-radius: 4px; }
.ai-use-case summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; color: #20314f; cursor: pointer; list-style: none; }
.ai-use-case summary::-webkit-details-marker { display: none; }
.ai-use-case summary > span { display: block; }
.ai-use-case summary strong { display: block; font-size: 17px; }
.ai-use-case summary small { display: block; margin-top: 3px; color: #637593; font-size: 12px; }
.ai-use-case summary::after { display: grid; flex: 0 0 30px; width: 30px; height: 30px; place-items: center; content: "+"; color: #1558d6; border: 1px solid #ced9ec; border-radius: 50%; font-size: 20px; line-height: 1; }
.ai-use-case[open] summary { border-bottom: 1px solid #d8e3f2; }
.ai-use-case[open] summary::after { content: "−"; }
.ai-use-case summary:focus-visible { outline-offset: -3px; }
.ai-use-case-content { padding: 18px 20px 20px; }
.ai-use-case-content p { max-width: none; margin-bottom: 14px; color: #4d6485; font-size: 14px; line-height: 1.85; }
.ai-use-case-content h3 { margin-bottom: 10px; color: #20314f; font-size: 13px; }
.ai-use-case-content .list { max-width: none; color: #4d6485; font-size: 13px; line-height: 1.8; }
.ai-use-case-content .list li { margin-bottom: 8px; }
@media (max-width: 900px) {
  .ai-frame { max-width: 728px; padding-inline: 24px; }
  .ai-opening .breadcrumb { padding-top: 22px; }
  .ai-opening .ai-page-head { grid-template-columns: 1fr; gap: 30px; padding-block: 46px 56px; }
  .ai-page-copy h1 { font-size: 34px; }
  .ai-page-copy .lead { font-size: 15px; }
  .ai-page-visual img { border-radius: 8px; }
  .ai-service { gap: 28px; }
  .ai-support-grid { gap: 20px; }
  .ai-reasons-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  .ai-audience-list, .ai-service, .ai-support-grid,
  .ai-reasons-grid, .ai-use-case-grid { grid-template-columns: 1fr; }
  .ai-service { gap: 24px; padding-block: 38px; }
  .ai-service-reverse .ai-service-visual { order: 0; }
  .ai-service-visual img { max-height: 420px; }
  .ai-support-grid > div { display: block; }
}