:root{color-scheme:dark;--bg:#08111f;--surface:#101d2e;--raised:#15243a;--line:rgba(172,202,238,.22);--text:#f8fbff;--muted:#b8c6d8;--cyan:#50e3c2;--danger:#ff5c7a;font-family:"Noto Sans JP",Roboto,system-ui,sans-serif;background:var(--bg);color:var(--text);font-synthesis:none}*,*::before,*::after{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(ellipse at 45% -20%,#172d43 0,var(--bg) 60%)}button,a{font:inherit}a{color:inherit}button{min-height:48px;border:1px solid var(--line);border-radius:10px;padding:.65rem .9rem;color:var(--text);background:var(--raised);cursor:pointer;touch-action:manipulation}button:hover{border-color:var(--cyan)}button:focus-visible,a:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}.skip-link{position:fixed;top:.75rem;left:.75rem;z-index:10;transform:translateY(-180%);padding:.75rem 1rem;border-radius:8px;color:#06111d;background:var(--cyan)}.skip-link:focus{transform:none}.space-app{width:min(100% - 32px,1440px);margin:auto;padding:1rem 0 2rem}.space-header{display:flex;min-height:54px;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{font-weight:800;text-decoration:none}.brand span{margin-left:.5rem;color:var(--cyan);font:600 .7rem/1.2 ui-monospace,monospace;letter-spacing:.12em}.back-link{color:var(--muted);font-size:.9rem;text-underline-offset:.22em}.space-intro{display:flex;align-items:end;justify-content:space-between;gap:1.5rem;padding:1.5rem 0}.eyebrow{margin:0 0 .3rem;color:var(--cyan);font:700 .72rem/1.4 ui-monospace,monospace;letter-spacing:.15em}h1{margin:0;font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.25}.space-intro p:not(.eyebrow){margin:.45rem 0 0;color:var(--muted)}.status{flex:0 0 auto;max-width:34%;margin:0!important;color:var(--cyan)!important;font-size:.88rem;text-align:right}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:1rem}.viewport-card,.control-card{overflow:hidden;border:1px solid var(--line);border-radius:14px;background:rgba(16,29,46,.94);box-shadow:0 18px 48px #0003}.viewport-toolbar{display:flex;min-height:48px;align-items:center;justify-content:space-between;gap:1rem;padding:.6rem .9rem;color:var(--muted);font-size:.83rem}#room-label{color:var(--text);font-weight:700}.keyboard-hint{text-align:right}.viewport-wrap{position:relative;height:min(64vh,680px);min-height:360px;background:#1b2833}#space-canvas{display:block;width:100%;height:100%;touch-action:none}.mode-row{display:flex;flex-wrap:wrap;gap:.5rem;padding:.75rem}.mode-row button[aria-pressed=true],.space-switch button[aria-pressed=true]{border-color:var(--cyan);color:#06111d;background:var(--cyan);font-weight:800}.mode-row #interact{margin-left:auto}kbd{margin-left:.35rem;padding:.08rem .35rem;border:1px solid currentColor;border-radius:4px;font-size:.75rem}.side-panel{display:grid;gap:.85rem}.control-card{padding:1rem}.control-card h2{margin:0 0 .7rem;font-size:1rem}.control-card p,.control-card li{color:var(--muted);font-size:.84rem;line-height:1.65}.control-card p{margin:0 0 .6rem}.space-switch{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}.floor-plan{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem}.floor-plan button{min-width:0;padding-inline:.35rem;font-size:.83rem}.control-card ul{margin:0;padding-left:1.15rem}.error-panel{position:absolute;inset:1rem;display:grid;align-content:center;justify-items:center;gap:.7rem;padding:1rem;border:1px solid var(--danger);border-radius:12px;background:#08111ff5;text-align:center}.error-panel[hidden],.touch-controls[hidden]{display:none}.error-panel span{color:var(--muted);overflow-wrap:anywhere}.error-panel button{border-color:var(--danger)}.touch-controls{position:absolute;inset:auto .75rem .75rem;display:flex;align-items:end;justify-content:space-between;pointer-events:none}.touch-controls>*{pointer-events:auto}.move-pad{display:grid;grid-template:repeat(2,48px)/repeat(3,48px);gap:4px}.move-pad [data-move=forward]{grid-area:1/2}.move-pad [data-move=left]{grid-area:2/1}.move-pad [data-move=back]{grid-area:2/2}.move-pad [data-move=right]{grid-area:2/3}.touch-controls button{width:48px;min-height:48px;padding:0;background:#08111fe8}.touch-controls #touch-interact{width:auto;padding:.6rem .75rem}.license-note{margin:1rem 0 0;color:var(--muted);font-size:.8rem}.license-note a{color:var(--cyan);text-underline-offset:.18em}@media(max-width:860px){.workspace{grid-template-columns:1fr}.side-panel{grid-template-columns:repeat(2,minmax(0,1fr))}.help-card{grid-column:1/-1}.viewport-wrap{height:min(58vh,620px)}}@media(max-width:560px){.space-app{width:min(100% - 20px,1440px)}.space-intro{display:block;padding:1.1rem 0}.status{max-width:none;margin-top:.6rem!important;text-align:left}.space-intro p:not(.eyebrow){font-size:.9rem}.viewport-toolbar{align-items:start}.keyboard-hint{max-width:66%;font-size:.73rem}.viewport-wrap{height:55vh;min-height:320px}.side-panel{grid-template-columns:1fr}.help-card{grid-column:auto}.mode-row button{flex:1 1 28%}.mode-row #interact{flex:1 1 100%;margin-left:0}.brand span{display:block;margin:.1rem 0 0}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}