.ai-area-page{--ai-navy:#0b2f4d;--ai-violet:#6048d7;--ai-blue:#2869c8;--ai-teal:#159c8c;--ai-line:#dce4eb;--ai-muted:#526a78;background:#fff;color:#123047}
.ai-hero{padding-top:38px;padding-bottom:20px;background:linear-gradient(180deg,#fff 0%,#fbfcff 100%)}
.ai-hero-grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(520px,1.18fr);gap:42px;align-items:center}.ai-hero h1{font-size:clamp(3.1rem,5.5vw,5.7rem);line-height:.96;letter-spacing:-.05em;color:var(--ai-navy);margin:.12em 0 .28em}.ai-hero .hero-text{font-size:1.22rem;line-height:1.6;color:var(--ai-muted);max-width:680px}.ai-hero-visual{overflow:hidden;border:1px solid #dce4eb;border-radius:26px;background:#f8fbff;box-shadow:0 16px 36px rgba(20,45,90,.09)}.ai-hero-visual img{display:block;width:100%;height:auto}.ai-area-page .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}.ai-area-page .tag-row span{border:1px solid #cfc8f5;border-radius:999px;padding:9px 16px;font-weight:800;color:#4c3abc;background:#fff}
.ai-intro{padding-top:10px;padding-bottom:20px}.ai-info-band{display:grid;grid-template-columns:78px 1fr;gap:18px;align-items:center;padding:22px 26px;border:1px solid var(--ai-line);border-radius:19px;background:linear-gradient(90deg,#fcfbff,#f7fcfb)}.ai-info-band img{width:66px;height:66px}.ai-info-band h2{margin:0 0 6px;color:var(--ai-teal);font-size:1.42rem}.ai-info-band p{margin:0;color:var(--ai-muted);line-height:1.55}
.ai-paths{padding-top:22px;padding-bottom:72px}.ai-paths .path-title-row{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:center;margin:0 0 28px}.ai-paths .path-title-row span{height:1px;background:#d7ddec}.ai-paths .path-title-row h2{margin:0;color:var(--ai-navy);font-size:clamp(2.2rem,4vw,3.6rem);letter-spacing:-.04em}.ai-course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.ai-course-card{position:relative;display:flex;flex-direction:column;padding:22px;border:1px solid var(--ai-line);border-radius:18px;background:#fff;box-shadow:0 8px 22px rgba(26,42,73,.055);min-height:400px;overflow:hidden;transition:.2s ease}.ai-course-card:hover{transform:translateY(-3px);box-shadow:0 15px 30px rgba(26,42,73,.10)}.ai-course-card:before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--card-accent)}.ai-course-card .stretched-link{position:absolute;inset:0;z-index:4}.ai-course-card .course-icon{width:80px;height:64px;object-fit:contain;margin:9px 0 10px}.ai-course-card .course-label{display:inline-flex;align-self:flex-start;border-radius:999px;padding:6px 10px;font-size:.72rem;font-weight:900;letter-spacing:.03em;color:var(--card-accent);background:color-mix(in srgb,var(--card-accent) 10%,white)}.ai-course-card h3{margin:0 0 10px;color:var(--ai-navy);font-size:1.3rem;line-height:1.2}.ai-course-card p{margin:0 0 14px;color:var(--ai-muted);line-height:1.52}.ai-course-card ul{margin:0 0 16px;padding-left:18px;color:#456071;display:grid;gap:6px;font-size:.9rem}.ai-course-card .chip-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto}.ai-course-card .chip-row span{font-size:.72rem;font-weight:800;border:1px solid color-mix(in srgb,var(--card-accent) 35%,white);color:var(--card-accent);border-radius:999px;padding:5px 8px;background:#fff}.ai-course-card.chatgpt{--card-accent:#6048d7}.ai-course-card.copilot{--card-accent:#2869c8}.ai-course-card.multi{--card-accent:#159c8c}.ai-course-card .status-note{font-size:.78rem;font-weight:800;color:#0d7b6d;background:#edf9f7;padding:7px 9px;border-radius:10px;margin:0 0 12px}.ai-note{display:grid;grid-template-columns:48px 1fr;gap:14px;align-items:center;margin-top:22px;padding:18px 20px;border:1px solid #dad8ef;border-radius:14px;background:linear-gradient(90deg,#faf9ff,#fbfeff);color:#526a78}.ai-note p{margin:0;line-height:1.5}.ai-note strong{color:#40329f}.ai-note img{width:42px;height:42px}
@media(max-width:1080px){.ai-hero-grid{grid-template-columns:1fr}.ai-course-grid{grid-template-columns:1fr 1fr}.ai-hero-visual{max-width:850px}}
@media(max-width:720px){.ai-course-grid{grid-template-columns:1fr}.ai-info-band{grid-template-columns:56px 1fr;padding:18px}.ai-info-band img{width:50px;height:50px}.ai-paths .path-title-row{grid-template-columns:1fr}.ai-paths .path-title-row span{display:none}.ai-hero h1{font-size:clamp(2.7rem,14vw,4.4rem)}}