:is(html:has(.demo-page),body:has(.demo-page)){overscroll-behavior:none;width:100%;height:100%;position:fixed;overflow:hidden}.demo-page{color:#fff;background:#04070a;height:100dvh;font-family:Inter,-apple-system,BlinkMacSystemFont,Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif}.demo-section,.demo-widget{height:100%}.demo-page:has(yua-widget[data-scene=room]){overflow-y:auto}.demo-page:has(yua-widget[data-scene=room]) .demo-section{height:auto;padding:48px 16px}.demo-title{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}