.v66-courses{background:linear-gradient(145deg,#f6f8ff,#faf7ff)}.v66-cases{background:#fff}.v66-course-grid,.v66-case-grid{margin-top:36px;align-items:start}.v66-case-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.v66-course,.v66-case{border:1px solid #d5ddf1;border-radius:18px;background:#fff;overflow:hidden;min-width:0}.v66-course summary{list-style:none;cursor:pointer}.v66-course summary::-webkit-details-marker{display:none}.v66-cover{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block}.v66-course-art{position:relative;aspect-ratio:16/7;overflow:hidden;background:radial-gradient(ellipse at 75% 10%,#e6ddfa,transparent 65%),linear-gradient(130deg,#f1f5ff,#e6edff);padding:24px;color:#7382ad}.v66-course-art span{font-size:10px;letter-spacing:.18em}.v66-course-art i{position:absolute;width:160px;height:160px;border:1px solid #b8c6ed;border-radius:50%;right:20%;top:30%;box-shadow:24px -20px 0 -1px #edf0ff,24px -20px 0 0 #c6c1e8}.v66-course-art b{position:absolute;right:28px;bottom:16px;font-size:54px;font-weight:300;color:#8871cc}.v66-course:nth-child(even) .v66-course-art{background:linear-gradient(135deg,#f8f4ff,#e8eeff)}
.v66-course-heading{position:relative;padding:26px 30px}.v66-tag{font:12px/1.8 var(--font-sans);color:#7c65bd;margin:0 0 10px}.v66-course h3,.v66-case h3{font-family:var(--font-serif);font-size:25px;line-height:1.5;color:#1c2958;margin:0 30px 10px 0}.v66-plus{position:absolute;right:28px;top:58px;color:#8061da;font-size:25px;transition:transform .2s}.v66-course[open] .v66-plus{transform:rotate(45deg)}.v66-open-hint{font-size:12px;letter-spacing:.02em;color:#7d8bb0}.v66-course-body{padding:0 30px 30px;border-top:1px solid #e9edf8}.v66-course-body>.v4-copy,.v66-case-copy>.v4-copy{font-size:14px;line-height:1.95;white-space:pre-line;margin-top:12px}.v66-course-body h4{font-size:13px;color:#6653ad;margin:24px 0 8px;font-weight:500}.v66-meta{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:20px 0;border-bottom:1px dashed #dce2f2;margin:0 0 20px}.v66-meta dt{font-size:11px;color:#8390af;margin-bottom:8px}.v66-meta dd{font-size:13px;line-height:1.8;color:#42527e;margin:0}
.v66-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.v66-gallery a{display:block;position:relative;overflow:hidden;background:#f0f3fc;border-radius:8px}.v66-gallery a:only-child{grid-column:1/-1}.v66-gallery img{width:100%;height:auto;aspect-ratio:4/3;display:block;object-fit:cover;transition:transform .25s}.v66-gallery a:hover img{transform:scale(1.035)}.v66-gallery a:focus-visible{outline:2px solid #8061da;outline-offset:3px}.v66-photo-enlarge{position:absolute;right:8px;bottom:8px;background:rgba(255,255,255,.94);color:#6a50b9;border-radius:50%;width:27px;height:27px;display:grid;place-items:center}.v66-gallery-empty{grid-column:1/-1;display:grid;place-items:center;min-height:130px;background:linear-gradient(140deg,#f7f9ff,#f4f0fc);border:1px dashed #d7dcef;border-radius:9px;padding:20px;text-align:center;font-size:13px;line-height:1.9;color:#8994b2}.v66-case>.v66-gallery{gap:3px}.v66-case>.v66-gallery a{border-radius:0}.v66-case-copy{padding:24px}.v66-case-copy h3{font-size:21px;margin-right:0}.v66-case-output{border-top:1px dashed #d6ddef;padding-top:16px;color:#6f5aa9}.v66-case-empty{display:flex;align-items:center;gap:28px;padding:40px;border:1px solid #e2e5f2;border-radius:16px;background:linear-gradient(120deg,#f7f9ff,#fcfaff);margin-top:28px}.v66-case-empty>span{font-size:42px;color:#9383c4}.v66-case-empty p{font:20px/1.9 var(--font-serif);color:#53618b;margin:0}
.v66-lightbox{width:min(1060px,94vw);max-width:94vw;max-height:94vh;padding:18px;border:1px solid #ced3e6;border-radius:16px;background:#fbfcff;color:#283763;overflow:auto}.v66-lightbox::backdrop{background:rgba(18,28,60,.83);backdrop-filter:blur(6px)}.v66-lightbox__bar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:12px;font-size:13px}.v66-lightbox button{font:inherit;background:#fff;border:1px solid #d4dbee;border-radius:999px;padding:8px 14px;color:#354779;cursor:pointer}.v66-lightbox button:focus-visible{outline:2px solid #8061da;outline-offset:2px}.v66-lightbox__image{display:block;width:100%;height:min(66vh,680px);object-fit:contain;background:#eef1f9;border-radius:8px}.v66-lightbox__footer{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:14px}.v66-lightbox__caption{font-size:13px;line-height:1.8;flex:1;text-align:center}.v66-lightbox button:disabled{opacity:.35;cursor:default}
@media(max-width:749px){.v66-course-grid,.v66-case-grid{grid-template-columns:1fr}.v66-course-heading{padding:22px}.v66-course h3{font-size:23px}.v66-course-body{padding:0 22px 24px}.v66-plus{right:22px;top:54px}.v66-meta{grid-template-columns:1fr;gap:12px}.v66-case-empty{padding:26px;gap:18px}.v66-case-empty p{font-size:17px}.v66-lightbox{padding:12px}.v66-lightbox__image{height:60vh}.v66-lightbox__footer{gap:8px}.v66-lightbox__footer button{padding:8px 12px}}
@media(prefers-reduced-motion:reduce){.v66-plus,.v66-gallery img{transition:none}}