.detail-lan .detail-intro h1{font-size:clamp(32px,3.3vw,49px)}.detail-lan .detail-intro h1 em{font-style:normal;color:#0875c7}.detail-lan .detail-intro .lead{font-size:15px}.lan-expanded{padding-top:65px;padding-bottom:65px;scroll-margin-top:100px}.lan-expanded>h2{font-size:clamp(30px,3vw,42px);line-height:1.7;letter-spacing:-.02em;margin:12px 0 25px;color:#123d5a}.lan-section-lead{font-size:15px;line-height:2.1;color:#4c6a7f;max-width:880px;margin-bottom:32px}.lan-symptom-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.lan-symptom-grid article{position:relative;padding:27px 23px 25px;background:#f3f9fe;border:1px solid #d4e7f4;border-radius:12px}.lan-small-number{font:700 43px/1 Arial;color:#81bee8;display:block;margin-bottom:22px;letter-spacing:-.05em}.lan-symptom-grid h3{font-size:19px;line-height:1.65;color:#16496d;margin:0 0 15px}.lan-symptom-grid p{font-size:14px;line-height:2;color:#526e83;margin:0}.lan-ap-definition{display:flex;align-items:center;gap:24px;margin-top:28px;padding:27px 30px;border-left:4px solid #168aca;background:#edf7ff;border-radius:0 12px 12px 0}.lan-ap-icon{flex-shrink:0;display:grid;place-items:center;width:66px;height:66px;border-radius:50%;background:white;border:1px solid #b7dbef;color:#168aca;font-size:30px}.lan-ap-definition h3{font-size:20px;color:#164b70;margin:0 0 10px}.lan-ap-definition p{font-size:14px;line-height:2;color:#4b6b82;margin:0}.lan-examples{background:linear-gradient(180deg,#f7fbff,white);border-top:1px solid #e2eff7}.lan-case-tabs{display:flex;gap:12px;margin:34px 0 26px;flex-wrap:wrap}.lan-case-tabs button{flex:1;min-width:160px;padding:16px 18px;border:1px solid #bdd8eb;border-radius:8px;background:white;color:#376482;font:700 15px 'Yu Gothic',sans-serif;cursor:pointer;line-height:1.7;transition:background .2s,color .2s}.lan-case-tabs [aria-selected=true]{background:#096bb5;color:white;border-color:#096bb5;box-shadow:0 8px 20px #0b6bb51a}.lan-case-tabs button:focus-visible{outline:3px solid #36a8e5;outline-offset:4px}.lan-case-panel{display:grid;grid-template-columns:1fr 1.05fr;gap:34px 40px;align-items:start}.lan-case-panel[hidden]{display:none}.lan-case-photo{position:relative;border-radius:14px;overflow:hidden;min-width:0;aspect-ratio:1.08;background:#e7f1f8}.lan-case-photo img{width:100%;height:100%;display:block;object-fit:cover}.lan-case-photo:after{content:'';position:absolute;inset:55% 0 0;background:linear-gradient(transparent,#0a365aa6);pointer-events:none}.lan-case-photo>span{position:absolute;left:24px;right:24px;bottom:22px;z-index:1;color:white;font-size:13px;font-weight:700;line-height:1.8;letter-spacing:.04em}.lan-case-copy{padding:6px 0}.lan-case-copy h3{font-size:clamp(24px,2.5vw,33px);line-height:1.7;color:#143f5d;margin:12px 0 23px;letter-spacing:-.015em}.lan-case-copy dl{margin:0}.lan-case-copy dl>div{border-top:1px solid #d9e8f2;padding:17px 0}.lan-case-copy dt{font-size:14px;font-weight:700;color:#1472ae;margin-bottom:7px}.lan-case-copy dd{font-size:14px;line-height:2;color:#4f6c80;margin:0}.lan-case-topology{grid-column:1/-1;padding:28px 30px 24px;background:#f0f8ff;border:1px solid #d3e6f3;border-radius:12px}.lan-topology-source{position:relative;width:fit-content;margin:0 auto 30px;padding:13px 26px;border:1px solid #9cc8e4;background:white;border-radius:8px;font-size:14px;font-weight:700;color:#24587c;text-align:center}.lan-topology-source:after{content:'';position:absolute;bottom:-20px;height:19px;width:1px;background:#87b9dc;left:50%}.lan-topology-branches{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;position:relative;padding-top:23px}.lan-topology-branches:before{content:'';position:absolute;top:-11px;left:16.666%;right:16.666%;height:1px;background:#87b9dc}.lan-topology-branches>div{position:relative;text-align:center;min-width:0}.lan-topology-branches>div:before{content:'';position:absolute;top:-34px;height:34px;width:1px;background:#87b9dc;left:50%}.lan-topology-node{position:relative;display:block;border:1px solid #b9d8ed;background:white;border-radius:7px;padding:13px 8px;font-size:14px;font-weight:700;color:#246591;z-index:1}.lan-topology-branches small{display:block;font-size:11px;color:#6d8799;margin-top:10px;line-height:1.7}.lan-example-note{font-size:12px;line-height:1.9;color:#6b8192;margin:22px 0 0}.lan-work-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 32px}.lan-work-grid article{padding:25px 28px;border:1px solid #d7e6f1;border-radius:10px;background:white;box-shadow:0 10px 26px #285f7e05}.lan-work-grid .index{display:block;font:700 47px/1 Arial;color:#0870bd;letter-spacing:-.05em;margin-bottom:17px}.lan-work-grid h3{font-size:21px;line-height:1.7;color:#204964;margin:0 0 13px}.lan-work-grid p{font-size:14px;line-height:2.05;color:#527084;margin:0}.lan-ap-planning{display:grid;grid-template-columns:1.1fr 1fr;gap:42px;margin-top:28px}.lan-ap-planning h3{font-size:24px;line-height:1.7;color:#174968;margin:0 0 20px}.lan-ap-planning p,.lan-ap-planning li{font-size:14px;line-height:2;color:#4d6c81}.lan-ap-planning ul{padding-left:20px;margin:22px 0 0}.lan-ap-planning li+li{margin-top:10px}.lan-ap-planning aside{padding:32px;background:#edf7fd;border:1px solid #cde5f5;border-radius:12px}.lan-ap-planning aside>span{font-size:12px;font-weight:700;color:#3185b6;display:block;margin-bottom:14px}.lan-ap-planning small{font-size:12px;line-height:1.9;color:#6d8596;display:block;margin-top:20px}.lan-project-flow{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:0;margin:45px 0 0;counter-reset:step}.lan-project-flow li{position:relative;padding:25px 22px;border-top:3px solid #49a2d5;background:#f7fbfe}.lan-project-flow li>span{font:700 33px Arial;color:#79b7dc}.lan-project-flow h3{font-size:18px;color:#184d70;margin:18px 0 13px;line-height:1.7}.lan-project-flow p{font-size:13px;line-height:2;color:#527084;margin:0}.lan-prepare{padding:30px 34px;border:1px solid #bedcf0;border-radius:12px;margin-top:30px;background:linear-gradient(100deg,#edf8ff,#fff)}.lan-prepare h3{font-size:21px;line-height:1.7;color:#174866;margin:0 0 12px}.lan-prepare p{font-size:14px;line-height:2;color:#557286;margin:0 0 23px}.lan-prepare .visual-button{font-size:14px}.detail-lan .detail-jump a{max-width:none;white-space:normal}.lan-expanded .faq details{border:1px solid #d3e5f1;border-radius:9px;padding:24px 28px;background:white}.lan-expanded .faq details+details{margin-top:14px}.lan-expanded .faq summary{font-size:17px;line-height:1.9;font-weight:700;color:#1b506f;cursor:pointer}.lan-expanded .faq p{font-size:14px;line-height:2.1;color:#537084;margin:18px 0 0}.detail-lan .service-facts>span{min-width:0}
@media(max-width:1050px){.lan-symptom-grid{grid-template-columns:repeat(2,1fr)}.lan-case-panel{gap:25px}.lan-case-copy h3{font-size:25px}.lan-case-copy dd{font-size:13px}.lan-case-photo{aspect-ratio:.85}.lan-ap-planning{gap:25px}.lan-project-flow{grid-template-columns:repeat(2,1fr)}.lan-ap-planning aside{padding:25px}}
@media(max-width:780px){.detail-lan .detail-intro h1{font-size:33px}.detail-lan .detail-intro .lead{font-size:14px}.lan-expanded{padding:45px 24px;scroll-margin-top:90px}.lan-expanded>h2{font-size:30px;line-height:1.65}.lan-section-lead{font-size:14px;line-height:2}.lan-symptom-grid{grid-template-columns:1fr;gap:14px}.lan-symptom-grid article{padding:24px}.lan-small-number{font-size:37px;margin-bottom:16px}.lan-symptom-grid h3{font-size:20px}.lan-ap-definition{padding:24px;align-items:flex-start;gap:16px}.lan-ap-icon{width:40px;height:40px;font-size:22px}.lan-ap-definition h3{font-size:18px}.lan-ap-definition p{font-size:13px}.lan-case-tabs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:27px}.lan-case-tabs button{min-width:0;font-size:13px;padding:13px 8px}.lan-case-panel{grid-template-columns:1fr;gap:22px}.lan-case-photo{aspect-ratio:1.4}.lan-case-copy h3{font-size:26px;margin-bottom:17px}.lan-case-copy dd{font-size:14px}.lan-case-copy dl>div{padding:16px 0}.lan-case-topology{padding:23px 15px}.lan-topology-source{font-size:12px;padding:12px 15px}.lan-topology-branches{gap:9px}.lan-topology-node{font-size:12px;padding:12px 6px;line-height:1.8}.lan-topology-branches small{font-size:9px}.lan-example-note{font-size:11px}.lan-work-grid{grid-template-columns:1fr;gap:17px}.lan-work-grid article{padding:25px}.lan-work-grid h3{font-size:21px}.lan-ap-planning{grid-template-columns:1fr;gap:24px}.lan-ap-planning h3{font-size:23px}.lan-project-flow{grid-template-columns:1fr;gap:14px;margin-top:30px}.lan-project-flow li{padding:22px 24px}.lan-project-flow h3{font-size:20px;margin-top:12px}.lan-project-flow p{font-size:14px}.lan-prepare{padding:25px}.lan-prepare h3{font-size:20px}.lan-prepare .visual-button{font-size:13px}.lan-expanded .faq details{padding:21px}.lan-expanded .faq summary{font-size:16px}.lan-expanded .faq p{font-size:14px}.lan-ap-definition{display:block}.lan-ap-icon{margin-bottom:16px}}
@media(prefers-reduced-motion:reduce){.lan-case-tabs button{transition:none}}
.lan-case-tabs button span{display:inline-block}@media(max-width:780px){.detail-lan .detail-intro h1{font-size:30px}}
#lan-case-home .lan-case-photo,#lan-case-apartment .lan-case-photo{aspect-ratio:1.18}@media(max-width:780px){#lan-case-home .lan-case-photo,#lan-case-apartment .lan-case-photo{aspect-ratio:1.4}}