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img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.case-study-topic-detail-text{font-size:18px;font-size:1.8rem;line-height:2;margin-top:35px}.case-feature-block{padding:80px 20px 84px;max-width:1420px;margin-inline:auto;display:-ms-grid;display:grid;-ms-grid-columns:(1fr)[2];grid-template-columns:repeat(2,1fr);gap:55px 5.63%}.case-feature-box.high-img{-ms-grid-row-span:2;grid-row:span 2}.case-feature-img-cap{margin-top:10px;font-size:16px;font-size:1.6rem;line-height:2;color:#333}.case-scene-cnt{background-color:#e8e7e1;padding:100px 20px 94px}.case-scene-lead{max-width:1420px;margin-inline:auto;display:-ms-grid;display:grid;-ms-grid-columns:(1fr)[2];grid-template-columns:repeat(2,1fr);gap:55px 5.63%}.topic-ttl-wrap>span{font-weight:500;font-size:18px;font-size:1.8rem;line-height:1.77;display:block;padding-top:5px}.case-scene-lead-text{margin-top:25px;font-size:22px;font-size:2.2rem;font-weight:700;line-height:1.818}.case-scene-lead-text.margin{margin-bottom:47px}.controller-name{display:-webkit-box;display:flex;-webkit-box-align:center;align-items:center;gap:0 5px;margin-top:12px}.controller-name>span{font-size:16px;font-size:1.6rem;font-weight:700;letter-spacing:.05em}.case-scene-lead-img-cap{margin-top:8px;font-size:16px;font-size:1.6rem;line-height:2;color:#333}.controller-img .controller-img-box img{-webkit-filter:drop-shadow(0 10px 10px rgba(0,0,0,.2));filter:drop-shadow(0 10px 10px rgba(0,0,0,.2))}.case-scene-block,.controller-img.center{max-width:500px;margin-inline:auto}.case-scene-block{margin-top:70px;display:-ms-grid;display:grid;-ms-grid-columns:(1fr)[2];grid-template-columns:repeat(2,1fr);gap:55px 5.63%;max-width:1420px}.case-scene-text{margin-top:13px;font-weight:700;font-size:18px;font-size:1.8rem;line-height:1.77}.case-scene-img-cap{margin-top:9px;font-size:16px;font-size:1.6rem}.case-scene-img-note{margin-top:5px;font-size:14px;font-size:1.4rem}.lighting-layout-block{padding:102px 20px 150px;max-width:1420px;margin-inline:auto;display:-ms-grid;display:grid;-ms-grid-columns:(1fr)[2];grid-template-columns:repeat(2,1fr);gap:55px 5.63%}.lighting-layout-block.case03{padding:102px 20px 100px}.lighting-layout-img{margin-top:40px}.breadcrumb_block .qr_anchor>a:before,.qr_dl_btn a:before{background:url(../img/case_study/qr_btn.png) 0 0 no-repeat;background-size:100% auto}.catalog_link{margin-top:0}@media only screen and (max-width:640px){.main-block{padding:50px 0}.main-block-inner{padding:0 4%}.case-study-ttl{max-width:80%;margin-inline:auto}.case-study-box-wrap{-webkit-box-orient:vertical;-webkit-box-direction:normal;flex-direction:column;gap:30px 0}.case-study-box{width:auto;max-width:440px;margin-inline:auto}.case-study-box-detail{padding:25px}.case-study-box-lead{gap:0 15px}.case-feature-box.high-img .case-feature-img,.case-study-topic-num{text-align:center}.case-study-topic-num img{width:auto;height:100px}.case-study-topic-detail-ttl{margin-top:30px;font-size:2.4rem}.case-study-topic-detail-ttl.size-s{margin-right:0}.case-study-topic-detail-text{font-size:1.6rem;margin-top:25px}.case-feature-block{-ms-grid-columns:1fr;grid-template-columns:1fr;padding:40px 4%}.case-feature-box.high-img .case-feature-img img{max-width:220px}.case-scene-cnt,.lighting-layout-block.case03{padding:50px 4%}.case-scene-lead{-ms-grid-columns:1fr;grid-template-columns:1fr}.case-scene-lead-text{margin-top:25px;font-size:2rem}.controller-img{width:80%}.case-scene-block,.lighting-layout-block{-ms-grid-columns:1fr;grid-template-columns:1fr}.case-scene-block{margin-top:50px;gap:30px 0}.lighting-layout-block{padding:50px 4%;gap:40px 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(max-width:960px){.case-study-topic-lead-wrap{padding-left:0}.case-study-topic-lead{-webkit-box-orient:vertical;-webkit-box-direction:normal;flex-direction:column;gap:30px 0}.case-study-topic-detail{padding:50px 4% 0}.case-study-topic-img{width:100%;-webkit-box-flex:0;flex:0 0 auto}}@media only screen and (min-width:960px) and (max-width:1280px){.case-study-topic-detail{padding:40px 0}.case-study-topic-img{width:65%;-webkit-box-flex:0;flex:0 0 65%}.case-feature-block,.case-scene-block,.case-scene-lead,.lighting-layout-block{gap:55px 4%}}