/* AI service pages: scope, human review, records and operational handover. */
body:has(> .rn-ai-service) { padding-top: var(--header-h); }
.rn-ai-service .rn-page-header { overflow: clip; }
.rn-ai-service .rn-page-title { font-size: clamp(28px, 3.5vw, 44px); }
.rn-ai-service .rn-page-title span { display: inline-block; }
.rn-ai-service .rn-page-lead { max-width: 870px; }
.rn-ai-service .rn-section { padding: 76px 0; }
.rn-ai-service .rn-section-header { margin-bottom: 30px; }
.rn-ai-service .rn-section-title { font-size: clamp(23px, 2.6vw, 32px); }
.rn-ai-service .rn-section-lead { max-width: 900px; }
.rn-ai-service [id] { scroll-margin-top: 110px; }
.rn-ai-service a { text-underline-offset: 4px; }
.rn-ai-service a:focus-visible { outline: 3px solid #0066cc; outline-offset: 5px; }
.ai-page-nav { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 28px; font-size: 14px; }
.ai-page-nav a { text-decoration: underline; }
.ai-brief-list { margin: 0; }
.ai-brief-list > div { display: grid; grid-template-columns: 245px 1fr; gap: 32px; padding: 23px 0; border-top: 1px solid var(--c-border); }
.ai-brief-list dt { font-weight: 700; font-size: 18px; }
.ai-brief-list dd { margin: 0; color: var(--c-text-sub); }
.ai-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; }
.ai-grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ai-grid h3 { font-size: 19px; margin: 0 0 12px; }
.ai-grid p { color: var(--c-text-sub); margin: 0 0 14px; }
.ai-flow { margin: 0; }
.ai-flow > ol { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; }
.ai-flow--five > ol { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.ai-flow li { position: relative; border-top: 3px solid #0066cc; background: #fff; padding: 23px 18px; }
.ai-flow li:not(:last-child)::after { content: '→'; position: absolute; right: -22px; top: 50%; color: #0066cc; font-size: 20px; }
.ai-flow h3 { font-size: 18px; margin: 8px 0 10px; }
.ai-flow p { margin: 0; color: var(--c-text-sub); font-size: 14px; }
.ai-flow .ai-human { border-top-color: #006b59; background: #eef8f5; }
.ai-role { color: #004d99; font-size: 12px; font-weight: 700; }
.ai-human .ai-role { color: #006b59; }
.ai-flow figcaption { margin-top: 18px; color: var(--c-text-sub); font-size: 13px; }
.ai-record { margin-top: 24px; padding: 22px 26px; border-left: 3px solid #006b59; background: #eef8f5; }
.ai-record h3 { font-size: 19px; margin: 0 0 8px; }
.ai-record p { margin: 0; color: var(--c-text-sub); }
.ai-note { font-size: 15px; color: var(--c-text-sub); margin-top: 26px; }
.ai-source { font-size: 13px; color: var(--c-text-sub); margin-top: 20px; }
.ai-steps { list-style: none; counter-reset: ai-step; margin: 0; padding: 0; }
.ai-steps > li { position: relative; counter-increment: ai-step; padding: 20px 0 20px 60px; border-top: 1px solid var(--c-border); }
.ai-steps > li::before { content: counter(ai-step, decimal-leading-zero); position: absolute; left: 0; top: 22px; font: 700 22px var(--font-en); color: #0066cc; }
.ai-steps h3 { font-size: 19px; margin: 0 0 8px; }
.ai-steps p { color: var(--c-text-sub); margin: 0; }
.ai-examples { display: grid; gap: 28px; }
.ai-example { background: #fff; border: 1px solid var(--c-border); padding: 28px; }
.ai-example h3 { font-size: 23px; margin: 0 0 12px; }
.ai-example > p { color: var(--c-text-sub); margin-bottom: 18px; }
.ai-example dl { display: grid; grid-template-columns: 120px 1fr; gap: 10px 20px; }
.ai-example dt { font-weight: 700; color: #004d99; font-size: 14px; }
.ai-example dd { margin: 0; color: var(--c-text-sub); }
.ai-example .ai-example-result { margin: 22px 0 0; padding-top: 18px; border-top: 1px solid var(--c-border); color: var(--c-text); }
.ai-related { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.ai-related > a { display: block; padding: 28px; border-top: 3px solid #0066cc; background: #fff; }
.ai-related h3 { font-size: 21px; margin: 10px 0 12px; }
.ai-related p { font-size: 15px; color: var(--c-text-sub); margin: 0; }
.ai-related-label { font-size: 13px; color: #004d99; }
.ai-options { margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.ai-options > a { display: block; padding: 26px; border: 1px solid var(--c-border); border-top: 3px solid #0066cc; background: #fff; }
.ai-options h3 { font-size: 20px; margin: 0 0 12px; }
.ai-options p { margin: 0; font-size: 15px; color: var(--c-text-sub); }
.ai-cycle { border: 1px solid var(--c-border); background: #fff; padding: 28px; }
.ai-cycle > ol { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; list-style: none; padding: 0; margin: 0; }
.ai-cycle li { border-top: 2px solid #0066cc; padding-top: 16px; }
.ai-cycle h3 { font-size: 19px; margin: 0 0 10px; }
.ai-cycle p { margin: 0; color: var(--c-text-sub); font-size: 15px; }
.ai-cycle figcaption { margin-top: 24px; padding-top: 20px; border-top: 1px dashed #006b59; color: #006b59; font-size: 14px; }
@media (max-width: 900px) {
  .ai-flow--five > ol { grid-template-columns: 1fr; gap: 22px; }
  .ai-flow--five li:not(:last-child)::after { content: '↓'; top: auto; bottom: -26px; right: 22px; }
}
@media (max-width: 768px) {
  .rn-ai-service .rn-section { padding: 52px 0; }
  .rn-ai-service .rn-section-header { margin-bottom: 24px; }
  .ai-brief-list > div { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
  .ai-grid, .ai-related, .ai-options, .ai-cycle > ol { grid-template-columns: 1fr; gap: 22px; }
  .ai-flow > ol { grid-template-columns: 1fr; gap: 22px; }
  .ai-flow li:not(:last-child)::after { content: '↓'; top: auto; bottom: -26px; right: 22px; }
  .ai-flow li { padding: 19px; }
  .ai-flow h3 { margin: 6px 0 8px; }
  .ai-steps > li { padding-left: 42px; }
  .ai-example, .ai-cycle, .ai-related > a { padding: 22px; }
  .ai-example dl { grid-template-columns: 1fr; gap: 4px; }
  .ai-example dd + dt { margin-top: 12px; }
  .ai-example h3 { font-size: 21px; }
}