#ceiling .ceiling-heading{margin:64px 0 30px}#ceiling .clean-block>.clean-wrap>.ceiling-heading:first-child{margin-top:0}
#ceiling .ceiling-heading small,#ceiling .ceiling-card>small{display:block;color:#001c83;font-size:14px;letter-spacing:.12em;margin-bottom:12px}
#ceiling h3{font-size:clamp(26px,2.6vw,38px);line-height:1.35;color:#021630;margin:0 0 16px}#ceiling h4{font-size:23px;line-height:1.5;color:#021630;margin:0 0 20px}
#ceiling p,#ceiling dd{font-size:16px;line-height:1.9;color:#5c6670}#ceiling .ceiling-heading p{margin:0}
#ceiling .ceiling-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
#ceiling .ceiling-card{padding:36px;background:#fff;border:1px solid #e1e7ee;border-top:3px solid #001c83;border-radius:0 0 12px 12px}
#ceiling dl{display:grid;grid-template-columns:54px minmax(0,1fr);gap:16px 18px;margin:0}#ceiling dt{font-size:16px;font-weight:650;color:#021630;line-height:1.9}#ceiling dd{margin:0}
#ceiling .ceiling-card>p{margin:26px 0 0;padding-top:22px;border-top:1px solid #e1e7ee}
#ceiling .ceiling-support{margin-top:40px}#ceiling .ceiling-support article{padding:30px;background:#f6f8fb;border-radius:12px}
#ceiling .ceiling-soft{background:#f6f8fb}#ceiling .clean-table-wrap{background:#fff}#ceiling .clean-table th,#ceiling .clean-table td{font-size:16px;line-height:1.75}#ceiling .clean-table{min-width:760px}#ceiling .clean-table td:first-child{width:22%}
#ceiling .ceiling-system-intro{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:56px;align-items:center}
#ceiling .ceiling-system-intro h4{font-size:clamp(26px,2.5vw,38px)}#ceiling .ceiling-system-intro strong{display:block;color:#001c83;font-size:20px;line-height:1.7;margin-top:24px}#ceiling figure{margin:0}#ceiling .ceiling-system-intro img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:14px}
#ceiling .ceiling-system-parts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:40px}#ceiling .ceiling-system-parts article{padding:28px 0;border-top:2px solid #dce5f1}#ceiling .ceiling-system-parts small{display:block;font-size:14px;color:#001c83;margin-bottom:16px}#ceiling .ceiling-system-parts h4{margin-bottom:12px}#ceiling .ceiling-system-parts p{margin:0}
#ceiling .ceiling-delivery{margin-top:32px;padding:32px;background:#f6f8fb;border-radius:12px}#ceiling .ceiling-delivery ol{display:flex;flex-wrap:wrap;gap:14px 26px;list-style:none;margin:0;padding:0}#ceiling .ceiling-delivery li{font-size:17px;color:#001c83}#ceiling .ceiling-delivery li:not(:last-child)::after{content:'→';margin-left:26px;color:#8695ac}
#ceiling .ceiling-values article{padding:30px;background:#f6f8fb;border-top:3px solid #001c83}
#ceiling .ceiling-responsibility{margin-top:48px;padding:clamp(28px,4vw,58px);background:#001c83;border-radius:14px}#ceiling .ceiling-responsibility small{font-size:14px;color:#d7e7ff;display:block;margin-bottom:16px}#ceiling .ceiling-responsibility h3,#ceiling .ceiling-responsibility p{color:#fff}#ceiling .ceiling-responsibility p{max-width:950px;margin:0}
@media(max-width:900px){#ceiling .ceiling-system-intro{grid-template-columns:1fr;gap:28px}#ceiling .ceiling-system-parts{gap:20px}}
@media(max-width:640px){#ceiling .ceiling-grid,#ceiling .ceiling-system-parts{grid-template-columns:1fr}#ceiling .ceiling-card,#ceiling .ceiling-support article,#ceiling .ceiling-values article{padding:24px}#ceiling .ceiling-heading{margin-top:44px}#ceiling .clean-wide-image img{aspect-ratio:4/3}#ceiling .ceiling-delivery{padding:24px}}
#ceiling .ceiling-delivery .delivery-tabs{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
#ceiling .delivery-tabs li:not(:last-child)::after{display:none}
#ceiling .delivery-tabs button{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:64px;padding:12px 8px;border:1px solid #dce4ef;border-radius:6px;background:#fff;color:#344155;font:inherit;font-size:16px;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
#ceiling .delivery-tabs button span{font-size:13px;opacity:.7}
#ceiling .delivery-tabs button:hover{border-color:#001c83;color:#001c83}
#ceiling .delivery-tabs button[aria-selected="true"]{background:#001c83;border-color:#001c83;color:#fff}
#ceiling .delivery-tabs button:focus-visible,#ceiling .delivery-panel:focus-visible{outline:2px solid #287fe0;outline-offset:4px}
#ceiling .delivery-panel{display:grid;grid-template-columns:100px minmax(0,1fr);gap:28px;align-items:start;padding:36px;margin-top:20px;background:#fff;border:1px solid #e1e7ee;border-radius:8px;min-height:244px;animation:deliveryReveal .25s ease both}
#ceiling .delivery-panel[hidden]{display:none}
#ceiling .delivery-number{font-size:72px;font-weight:700;line-height:1;color:#dce6f7}
#ceiling .delivery-panel h5{margin:0 0 12px;font-size:24px;line-height:1.5;color:#021630}
#ceiling .delivery-panel p{margin:0;max-width:920px}
#ceiling .delivery-result{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px;padding-top:18px;border-top:1px solid #e8edf4;font-size:15px;line-height:1.7}
#ceiling .delivery-result span{color:#68768a}#ceiling .delivery-result strong{color:#001c83;font-weight:550}
@keyframes deliveryReveal{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media(max-width:900px){#ceiling .ceiling-delivery .delivery-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:640px){#ceiling .delivery-panel{grid-template-columns:1fr;gap:12px;padding:24px;min-height:320px}#ceiling .delivery-number{font-size:38px}#ceiling .delivery-panel h5{font-size:21px}#ceiling .delivery-tabs button{gap:6px;font-size:14px;min-height:60px}}
@media(prefers-reduced-motion:reduce){#ceiling .delivery-panel{animation:none}#ceiling .delivery-tabs button{transition:none}}