:root{--back-bg: rgba(33, 21, 14, .72)}html,body{height:100%;overflow:hidden;background:#241811;color:#f3dfc1}#room{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:manipulation}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.sound{position:fixed;top:12px;right:16px;z-index:20;display:grid;place-items:center;width:2.3rem;height:2.3rem;padding:0;border:1px solid rgba(243,223,193,.35);border-radius:50%;background:#21150eb8;color:inherit;cursor:pointer}.sound:hover{border-color:#f3dfc1}.sound svg{width:1.25rem;height:1.25rem;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.sound .speaker{fill:currentColor}.sound .on,.sound[aria-pressed=true] .off{display:none}.sound[aria-pressed=true] .on{display:inline}.caption{position:fixed;left:16px;right:16px;top:calc(54vh + 8px);z-index:5;margin:0;text-align:center;font-family:ZCOOL KuaiLe,system-ui,sans-serif;font-size:clamp(.95rem,2.4vw,1.2rem);line-height:1.35;text-shadow:0 1px 4px rgba(0,0,0,.7);pointer-events:none}@media(min-width:640px){.caption{top:calc(58vh + 10px)}}.caption.over-corridor{top:auto;bottom:calc(max(12px,env(safe-area-inset-bottom)) + 3.4rem);width:fit-content;max-width:calc(100vw - 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