.door-preparation{padding-block:48px;border-block:1px solid #aaa;scroll-margin-top:160px;color:#282828}
.door-preparation .dp-inner{max-width:1160px;margin:auto;padding-inline:24px}
.door-preparation h2{font-size:28px;line-height:1.2;margin:0 0 20px;letter-spacing:0}
.door-preparation p{max-width:820px;margin:0 0 20px;line-height:1.65}
.door-preparation details{border-top:1px solid #aaa;margin-top:24px;padding-top:8px}
.door-preparation summary{font-weight:600;cursor:pointer;padding-block:16px}
.door-preparation dl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin:16px 0 24px}
.door-preparation dt{font-size:14px;line-height:1.4;margin-bottom:8px}
.door-preparation dd{font-size:22px;font-weight:600;margin:0}
.door-preparation .drawings{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin:32px 0}
.door-preparation figure{margin:0;min-width:0}
.door-preparation figure h2{font-size:20px}
.door-preparation svg{display:block;width:100%;height:330px;overflow:visible}
.door-preparation svg text{font:14px Arial,sans-serif;fill:currentColor}
.door-preparation :is(.door,.dim){fill:none;stroke:currentColor;stroke-width:1.5}
.door-preparation .part{fill:#eaeaea;stroke:currentColor;stroke-width:1.5}
.door-preparation .guide{fill:none;stroke:#888;stroke-width:1;stroke-dasharray:3 5}
.door-preparation .accent{fill:none;stroke:#ffc846;stroke-width:4}
.door-preparation figcaption,.door-preparation .note{font-size:14px;line-height:1.6}
.door-preparation a{font-weight:600;text-underline-offset:4px}
.door-preparation .dp-cad{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:24px}
.door-preparation .dp-cad img{display:block;width:100%;height:auto;border:1px solid #aaa;border-radius:4px}
body.calm-site main .door-preparation h2{font-size:28px!important;line-height:1.25!important;hyphens:none!important;word-break:normal!important;overflow-wrap:normal!important}
body.calm-site main .door-preparation figure h2{font-size:20px!important;min-height:50px}
html[data-theme="dark"] body main .door-preparation{background:#181818!important;color:#f1f1f1!important}
html[data-theme="dark"] body main .door-preparation :is(h2,p,summary,dt,dd,figcaption){color:#f1f1f1!important}
html[data-theme="dark"] .door-preparation .part{fill:#303030}
@media(max-width:760px){.door-preparation{padding-block:32px}.door-preparation h2{font-size:24px}.door-preparation dl{grid-template-columns:repeat(2,minmax(0,1fr))}.door-preparation .drawings,.door-preparation .dp-cad{grid-template-columns:1fr}.door-preparation figure+figure{border-top:1px solid #aaa;padding-top:24px}.door-preparation svg{height:300px}}
@media(max-width:760px){body.calm-site main .door-preparation h2{font-size:24px!important}body.calm-site main .door-preparation figure h2{font-size:20px!important;min-height:0}}