.ai4u-sub .h4-page{width:min(calc(100% - 80px),var(--max));margin-inline:auto;min-width:0;color:var(--ink)}
.h4-page :is(.h4-eyebrow,.h4-example,.h4-panel-title){margin:0 0 16px;color:#3154bb;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.h4-page .h4-title,.h4-page .h4-heading{max-width:940px;margin:0;font-weight:850}.h4-page .h4-title{font-size:clamp(42px,5vw,70px);line-height:1.19;letter-spacing:-.065em}.h4-page .h4-heading{font-size:clamp(30px,3.45vw,52px);line-height:1.26;letter-spacing:-.06em}.h4-page .h4-lead{max-width:900px;margin:20px 0 0;color:#34466e;font-size:19px;font-weight:650;line-height:1.7}.h4-page .h4-body{max-width:960px;margin:16px 0 0;color:#435474;line-height:1.85}.h4-page .h4-list{display:grid;gap:0;margin:22px 0 0;padding:0;list-style:none}.h4-page .h4-list li{position:relative;margin:0;padding:11px 0 11px 23px;border-bottom:1px solid var(--line);font-size:16px;line-height:1.7}.h4-page .h4-list li:before{position:absolute;left:1px;top:21px;width:7px;height:7px;border-radius:50%;background:var(--blue);content:""}
.h4-bg-wash{padding:36px!important;border:1px solid #e4ebfb;border-radius:12px;background:#f6f9ff}.h4-page .h4-hero-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.94fr);align-items:center;gap:clamp(40px,7vw,104px)}.h4-section-01 .h4-lead{font-size:20px}.h4-hero-visual{aspect-ratio:4/3;display:flex;flex-direction:column;justify-content:center;padding:clamp(22px,3vw,38px);border:1px solid #dfe7fb;border-radius:12px;background:radial-gradient(ellipse at 82% 10%,#e9edff 0,transparent 60%),#fff;box-shadow:0 24px 70px rgba(22,48,112,.07)}.h4-page .h4-example{margin-bottom:18px;letter-spacing:.04em}.h4-contract-panel{display:grid;gap:9px;padding:22px;border:1px solid #dfe7fb;border-radius:8px;background:#fff}.h4-contract-panel strong{font-size:17px}.h4-contract-panel span{color:#435474;font-size:14px}.h4-contract-panel i{height:1px;margin:8px 0;background:#dfe7fb}.h4-contract-panel p{margin:0;color:#2448c2;font-weight:800;line-height:1.7}.h4-contract-notes{display:flex;justify-content:space-between;gap:8px;margin-top:15px}.h4-contract-notes span{padding:8px 10px;border-radius:5px;background:#eaf0ff;color:#2448c2;font-size:11px;font-weight:750}
.h4-scope-checklist{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:30px 0 0;padding:0;list-style:none}.h4-scope-checklist li{display:grid;grid-template-columns:auto 1fr;align-items:start;gap:12px;padding:20px 16px;border:1px solid var(--line);border-radius:7px;background:#fff;color:#34466e;font-size:15px;line-height:1.7}.h4-scope-checklist b{display:grid;width:26px;height:26px;place-items:center;border-radius:50%;background:#eaf0ff;color:#2448c2;font-size:11px}
.h4-page .h4-asym{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);align-items:center;gap:clamp(42px,8vw,112px)}.h4-license-panel{padding:29px;border:1px solid #dfe7fb;border-left:4px solid var(--blue);border-radius:8px;background:var(--wash)}.h4-license-panel>span{color:#3154bb;font-size:12px;font-weight:800;letter-spacing:.08em}.h4-license-panel p{margin:16px 0;color:#1b3479;font-size:25px;font-weight:750;line-height:1.5}.h4-license-panel small{color:#435474;font-size:14px}.h4-section-03 .ai4u-data-table{margin-top:28px;max-width:100%;overflow-x:auto}.h4-section-03 table{min-width:650px}
.h4-case-note{max-width:980px;margin:30px auto 0;padding:24px 28px;border:1px solid #cfdaf1;border-left:4px solid var(--blue);border-radius:7px;background:#fff}.h4-case-note>span{display:block;margin-bottom:16px;color:#3154bb;font-size:12px;font-weight:800;letter-spacing:.06em}.h4-case-note dl{display:grid;grid-template-columns:160px minmax(0,1fr);gap:0;margin:0}.h4-case-note dt,.h4-case-note dd{margin:0;padding:13px 0;border-top:1px solid var(--line);line-height:1.65}.h4-case-note dt{color:#1b3479;font-weight:750}.h4-case-note dd{color:#435474}
.h4-cost-timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin:30px 0 0;padding:0;list-style:none;counter-reset:cost}.h4-cost-timeline li{display:grid;align-content:start;gap:13px;min-height:160px;padding:20px 17px;border-top:3px solid var(--blue);border-bottom:1px solid var(--line);background:#f9fbff;counter-increment:cost}.h4-cost-timeline li:before{content:"0" counter(cost);color:#3154bb;font-size:12px;font-weight:850}.h4-cost-timeline b{font-size:17px}.h4-cost-timeline span{color:#435474;font-size:14px;line-height:1.7}
.h4-section-06{padding:36px!important;border:1px solid var(--line);border-radius:12px;background:#fff}.h4-purchase-panel{margin-top:28px;padding:24px;border:1px solid #dfe7fb;border-radius:9px;background:#f7f9ff}.h4-purchase-panel .h4-panel-title{letter-spacing:.04em}.h4-purchase-table{margin:0;overflow-x:auto}.h4-purchase-table table{min-width:720px;border-collapse:collapse;background:#fff}.h4-purchase-table caption{padding:10px;text-align:left;color:#435474;font-size:13px}.h4-purchase-table th,.h4-purchase-table td{padding:15px;border:1px solid #dfe7fb;text-align:left;vertical-align:top;line-height:1.65}.h4-purchase-table thead th{background:#eaf0ff;color:#1b3479}.h4-purchase-table tbody th{width:190px;color:#1b3479}.h4-purchase-table a{color:#2448c2;text-decoration:underline;text-underline-offset:3px}.h4-page :is(a,summary,button):focus-visible{outline:3px solid #3154ee;outline-offset:4px}
.h4-support-flow{display:grid;grid-template-columns:minmax(0,1fr) 34px minmax(0,1fr) 34px minmax(0,1fr);align-items:center;gap:10px;margin:30px 0 0}.h4-support-flow div{display:grid;gap:9px;min-height:120px;padding:19px;border:1px solid #d8e2f7;border-radius:7px;background:#fff}.h4-support-flow strong{color:#1b3479;font-size:17px}.h4-support-flow span{color:#435474;font-size:14px;line-height:1.65}.h4-support-flow i{text-align:center;color:#3154bb;font-size:21px;font-style:normal}
.h4-decision-branch{max-width:1000px;margin:30px auto 0;padding:26px;border:1px solid var(--line);border-radius:9px;background:#f9fbff}.h4-decision-root{max-width:380px;margin:0 auto;padding:16px;border:2px solid #9eb1e9;border-radius:7px;background:#fff;color:#1b3479;text-align:center;font-weight:800}.h4-decision-paths{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:760px;margin:30px auto 0}.h4-decision-paths:before{position:absolute;left:25%;right:25%;top:-16px;border-top:1px solid #9eb1e9;content:""}.h4-decision-paths article{display:grid;gap:8px;padding:18px;border-top:3px solid var(--blue);background:#fff}.h4-decision-paths b{color:#3154bb}.h4-decision-paths span{color:#435474;line-height:1.6}.h4-decision-note{margin:22px 0 0;padding-top:16px;border-top:1px solid #dfe7fb;color:#34466e;font-weight:700;text-align:center}
.h4-faq-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:26px 0}.h4-faq-stats div{display:grid;gap:10px;padding:17px;border:1px solid #dfe7fb;border-top:3px solid var(--blue);border-radius:6px;background:#f8faff}.h4-faq-stats strong{font-size:14px}.h4-faq-stats span{color:#2448c2;font-weight:750}.h4-faq-list{display:grid;gap:0;margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}.h4-faq-list li{padding:17px 0;border-bottom:1px solid var(--line);color:#34466e;font-size:15px;line-height:1.75}
.h4-page.h4-section-10{padding:38px!important;border:1px solid #dfe7fb;border-left:5px solid var(--blue);border-radius:10px;background:#f6f9ff}.h4-cta-panel{max-width:1040px;margin:0 auto}.h4-cta-list{display:flex;flex-wrap:wrap;gap:8px 24px}.h4-cta-buttons{margin-top:25px}.h4-page .reveal{transition:transform .6s ease,opacity .6s ease}
@media(max-width:900px){.ai4u-sub .h4-page{width:min(calc(100% - 48px),var(--max))}.h4-page .h4-hero-layout{grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:28px}.h4-page .h4-title{font-size:clamp(38px,5.4vw,58px)}.h4-page .h4-asym{grid-template-columns:minmax(0,1fr) minmax(250px,.8fr);gap:30px}.h4-purchase-panel{padding:19px}}
@media(max-width:680px){.ai4u-sub .h4-page{width:calc(100% - 40px)}.h4-page .h4-hero-layout,.h4-page .h4-asym{grid-template-columns:1fr;gap:26px}.h4-page .h4-title{font-size:clamp(38px,10vw,48px)}.h4-hero-visual{aspect-ratio:auto;min-height:290px;padding:22px}.h4-page .h4-lead{font-size:17px}.h4-bg-wash,.h4-section-06{padding:24px!important}.h4-scope-checklist,.h4-cost-timeline,.h4-faq-stats{grid-template-columns:1fr;gap:10px}.h4-scope-checklist li{padding:15px}.h4-cost-timeline li{min-height:0;padding:15px}.h4-case-note{padding:19px}.h4-case-note dl{grid-template-columns:1fr}.h4-case-note dt{padding:13px 0 3px}.h4-case-note dd{padding:4px 0 13px}.h4-support-flow{grid-template-columns:1fr;gap:8px}.h4-support-flow div{min-height:0}.h4-support-flow i{transform:rotate(90deg)}.h4-decision-branch{padding:18px}.h4-decision-paths{grid-template-columns:1fr;gap:12px;margin-top:22px}.h4-decision-paths:before{display:none}.h4-purchase-panel{margin-inline:-10px;padding:14px}.h4-page.h4-section-10{padding:24px!important}.h4-cta-list{display:grid;gap:0}}
@media(prefers-reduced-motion:reduce){.h4-page .reveal{transition:none}}
.h4-case-record-list{display:grid;gap:0;margin:18px 0 0;padding:0;list-style:none}.h4-case-record-list li{display:flex;align-items:center;min-height:86px;padding:16px 19px;border-top:1px solid var(--line);color:#34466e;font-size:15px;line-height:1.7}.h4-case-record-list li:last-child{border-bottom:1px solid var(--line)}
.h4-support-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:23px 0 0;padding:0;list-style:none}.h4-support-facts li{display:flex;align-items:center;min-height:112px;padding:16px;border:1px solid #dfe7fb;border-top:3px solid var(--blue);border-radius:7px;background:#fff;color:#34466e;font-size:14px;line-height:1.7}
@media(max-width:680px){.h4-case-record-list li{min-height:86px;padding:14px 15px}.h4-support-facts{grid-template-columns:1fr;gap:10px}.h4-support-facts li{min-height:112px;padding:15px}}
/* Explanatory media and varied card lists */
.h4-page .h4-media-figure{max-width:520px;margin:28px auto 0}
.h4-page .h4-media-figure img{aspect-ratio:1/1;object-fit:contain}
.h4-page .h4-media-figure figcaption{margin-top:8px;color:var(--muted);font-size:13px;line-height:1.6}
.h4-page .ai4u-card-grid{list-style:none;margin:24px 0;padding:0}
.h4-page .ai4u-card-grid>li{margin:0;padding:24px}
.h4-page .ai4u-card-grid>li:before{content:none}
.h4-page .ai4u-step-grid>li{margin:0}