:root{--night:#05070b;--light:#ece6da;--light-muted:#ece6dab3;--light-rule:#ece6da3d;--paper:#fffefa;--ink:#17201c;--muted:#606b63;--rule:#d4d7cd;--accent:#bb3e2e;--sans:"Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;--serif:Georgia, "Hiragino Mincho ProN", "Yu Mincho", YuMincho, "Noto Serif CJK JP", "Noto Serif JP", serif;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--focus:var(--light);--ease:cubic-bezier(.22, 1, .36, 1);--gutter:clamp(16px, 3.2vw, 36px)}*{box-sizing:border-box}[hidden]{display:none!important}html,body{background:var(--night);height:100%;color:var(--light);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0;overflow:hidden}a{color:inherit}button{font:inherit;color:inherit;cursor:pointer}:focus-visible{outline:2px solid var(--focus);outline-offset:3px}.intro__card,.panel,.credits,.noscript{--focus:var(--accent)}kbd{font-family:var(--mono);color:var(--light-muted);background:0 0;border:0;margin-right:6px;padding:0;font-size:.78em}.room{touch-action:none;width:100%;height:100%;display:block;position:fixed;inset:0}.is-hovering .room{cursor:pointer}.intro{z-index:30;padding:calc(24px + env(safe-area-inset-top)) calc(24px + env(safe-area-inset-right)) calc(24px + env(safe-area-inset-bottom)) calc(24px + env(safe-area-inset-left));background:var(--night);transition:opacity 1.4s var(--ease);place-items:center;display:grid;position:fixed;inset:0}.intro.is-leaving{opacity:0;pointer-events:none}.intro__wall{align-items:center;gap:28px;display:flex}.switch{cursor:pointer;background:0 0;border:0;padding:0;line-height:0;display:block}.switch:disabled{cursor:progress}.switch:focus-visible{outline-offset:6px}.switch__plate{background:linear-gradient(160deg,#e9e3d6,#cfc7b6);border-radius:6px;place-items:center;width:64px;height:104px;display:grid;box-shadow:inset 0 1px #fff6,0 12px 30px #0009}.switch__rocker{background:linear-gradient(#f6f2e9 0%,#ddd5c4 48%,#c9c0ad 52%,#ebe5d8 100%);border-radius:4px;width:40px;height:72px;transition:transform .18s ease-out;box-shadow:0 2px 4px #00000040}.switch:hover:not(:disabled) .switch__rocker{transform:perspective(120px)rotateX(6deg)}.intro.is-on .switch__rocker,.intro.is-on .switch:hover .switch__rocker{transform:perspective(120px)rotateX(16deg)}.intro__card{background:var(--paper);color:var(--ink);text-align:left;border-radius:3px;width:min(17.5rem,100vw - 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