.project-detail-v41{max-width:1400px;margin:auto;padding:190px 40px 85px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:75px;align-items:start;scroll-margin-top:140px}.project-main-photo{margin:0;position:sticky;top:155px;background:#eef1f3}.project-main-photo img{display:block;width:100%;height:650px;object-fit:contain;padding:20px}.project-description{min-width:0}.project-description>.ref-link{font-size:17px;color:var(--blue)}.project-description h1{font-size:clamp(48px,5vw,78px);line-height:1.05;margin:35px 0;letter-spacing:-.04em;font-weight:500}.project-description p{font-size:19px;line-height:1.65;margin:0 0 22px;color:#40505f}.project-description-block{margin-top:32px}.project-description-block h2{font-size:28px;line-height:1.2;margin:0 0 18px;font-weight:500}.project-description .case-facts{display:grid;grid-template-columns:1fr;gap:15px;padding:25px 0;margin:25px 0;background:transparent;border-block:3px solid var(--blue)}.project-description .case-facts div{padding:0}.project-description .case-facts dt{font-size:15px}.project-description .case-facts dd{font-size:25px;margin:5px 0;color:var(--blue)}.project-photo-gallery{max-width:1400px;margin:auto;padding:0 40px 100px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.project-photo-gallery figure{margin:0}.project-photo-gallery figure:nth-child(3n){grid-column:1/-1}.project-photo-gallery img{display:block;width:100%;height:460px;object-fit:contain;background:#eef1f3}.project-photo-gallery figure:nth-child(3n) img{height:620px}.project-photo-gallery figcaption{font-size:15px;line-height:1.5;margin-top:15px;color:#455767}@media(max-width:900px){.project-detail-v41{grid-template-columns:1fr;padding:135px 24px 60px;gap:35px}.project-main-photo{position:static}.project-main-photo img{height:460px}.project-description h1{font-size:52px}.project-photo-gallery{padding:0 24px 65px;gap:28px}.project-photo-gallery img{height:320px}.project-photo-gallery figure:nth-child(3n) img{height:420px}}@media(max-width:600px){.project-main-photo img{height:370px}.project-photo-gallery{grid-template-columns:1fr}.project-photo-gallery figure:nth-child(3n){grid-column:auto}.project-photo-gallery figure:nth-child(3n) img{height:350px}.project-description h1{font-size:46px}.project-description p{font-size:18px}}

/* v42: project images remain in normal document flow. */
.project-detail-v41 .project-main-photo{position:static;top:auto}