:root{font-family:Arial,'Noto Sans JP','Hiragino Kaku Gothic ProN',Meiryo,sans-serif;color:#323b30;background:#f4f2e9;font-synthesis:none;font-weight:400}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,input{font:inherit}button{cursor:pointer;color:inherit}button:focus-visible,input:focus-visible{outline:3px solid #d59b52;outline-offset:3px}button:disabled{opacity:.6;cursor:wait}button,a,input{-webkit-tap-highlight-color:transparent}button{touch-action:manipulation}[hidden]{display:none!important}.topbar{height:84px;padding:0 42px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dcded2;background:#f8f7f1;position:relative;z-index:5}.brand{display:flex;gap:12px;align-items:center;color:#303e32;text-decoration:none;font-size:30px;font-weight:900;letter-spacing:-1.8px}.brand-box{width:25px;height:25px;background:#b1885f;position:relative;transform:rotate(-9deg);border-radius:4px;box-shadow:inset -5px -4px #926d47}.brand-box:after{content:'';position:absolute;left:10px;top:0;bottom:0;width:5px;background:#dcc5a3}.brand-caption{font-size:11px;font-weight:500;letter-spacing:1px;margin-left:16px;color:#78806f}.top-right{display:flex;gap:22px;align-items:center}.edition{font-size:10px;font-weight:600;letter-spacing:2px;color:#858b7a}.help-button{border:1px solid #ccd1c1;border-radius:50%;height:30px;width:30px;background:transparent;font-size:14px}main{position:relative;height:calc(100dvh - 84px);min-height:350px;overflow:hidden;background:#e8ebdf}#canvas-wrap,canvas{position:absolute;width:100%;height:100%;inset:0;display:block}canvas{touch-action:none}.eyebrow{font-size:9px;letter-spacing:2.2px;font-weight:700;color:#819078}.room-pill{position:absolute;right:30px;top:26px;display:flex;align-items:center;gap:9px;background:#fafbf1e8;border:1px solid #d3dbc8;border-radius:30px;padding:11px 15px;font-size:11px;box-shadow:0 3px 8px #35432305}.status-dot,.tiny-dot{width:6px;height:6px;border-radius:50%;background:#a5aa9c;display:inline-block}.status-dot.online,.tiny-dot{background:#748e58}.status-dot.error{background:#c68b51}.divider{height:12px;width:1px;background:#d5dacd;margin:0 2px}.panel{background:#fcfcf5ed;border:1px solid #e3e7d9;border-radius:18px;box-shadow:0 14px 50px #3043260c;backdrop-filter:blur(12px)}.welcome{position:absolute;top:50%;left:4%;transform:translateY(-46%);width:326px;padding:30px;z-index:3}.welcome h1{font-size:36px;line-height:1.5;letter-spacing:-1.4px;margin:15px 0}.intro{font-size:11px;line-height:2.1;letter-spacing:.2px;color:#788070;margin:0 0 24px}form{display:flex;flex-direction:column;gap:8px}label{font-size:10px;font-weight:600;margin-top:6px}label span{font-weight:400;color:#949b8b;font-size:9px;margin-left:7px}input{width:100%;border:1px solid #dfe4d5;background:#f5f6ef;border-radius:8px;padding:11px 12px;font-size:13px;color:#3b4936;min-width:0}.field-hint{color:#8a927d;font-size:9px;margin-bottom:12px}.primary{border:0;border-radius:9px;background:#62784d;color:white;padding:14px 18px;display:flex;justify-content:space-between;font-size:12px;font-weight:600;letter-spacing:.5px;transition:background .15s}.primary:hover{background:#4c6239}.welcome-note{font-size:9px;color:#909984;display:flex;gap:7px;align-items:center;margin-top:18px}.small-button{border:1px solid #d5ddc9;border-radius:7px;padding:9px 12px;background:#eff3e6;font-size:11px}.text-button{border:0;background:none;font-size:10px;color:#808a75;padding:8px}kbd{background:#f9faf2bc;border:1px solid #d2d9c6;border-bottom:2px solid #c7d0ba;border-radius:4px;width:22px;height:23px;text-align:center;padding-top:4px;font:10px monospace;color:#657754}.or{padding:0 7px;color:#a0aa94;font-size:10px}.guide-copy{font-size:11px;margin-left:9px}.sub-guide{font-size:9px;letter-spacing:.6px}.sub-guide span{padding:0 9px}.toast{position:absolute;left:50%;bottom:120px;transform:translateX(-50%);padding:12px 22px;background:#34482df0;border-radius:12px;font-size:12px;color:white;z-index:10;max-width:90%;text-align:center}.fatal{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:24px;z-index:9;max-width:90%;width:400px;line-height:1.8}dialog{border:1px solid #dce4d2;background:#f9faf2;color:#394832;border-radius:18px;padding:32px;width:440px;max-width:calc(100% - 32px);box-shadow:0 20px 100px #22351740}dialog::backdrop{background:#33432d50;backdrop-filter:blur(4px)}dialog h2{font-size:26px}dialog p{font-size:12px;line-height:2;color:#77816c}dialog .help-note{font-size:10px}dialog .primary{width:100%;margin-top:22px}.dialog-close{position:absolute;right:14px;top:10px;border:0;background:none;font-size:24px;color:#7a8770}@media(pointer:coarse){}@media(max-width:720px){.topbar{height:65px;padding:0 20px}.brand{font-size:26px}.brand-caption{display:none}.edition{font-size:8px;letter-spacing:1px}.top-right{gap:13px}main{height:calc(100dvh - 65px)}.room-pill{right:15px;top:20px;font-size:9px;padding:10px}.welcome{left:50%;transform:translate(-50%,-43%);width:300px;padding:25px;background:#fcfcf5f2}.welcome h1{font-size:30px;margin:10px 0}.intro{margin-bottom:12px;line-height:1.9}.guide-copy{display:none}.sub-guide{font-size:8px}.toast{bottom:200px;width:max-content}.welcome-note{margin-top:12px}}@media(max-height:640px){.welcome{padding:20px;width:300px;transform:translateY(-43%)}.welcome h1{font-size:25px;line-height:1.3;margin:8px 0}.intro{font-size:10px;line-height:1.6;margin-bottom:8px}.welcome-note{margin-top:10px}.primary{padding:10px 14px}input{padding:8px 12px}form{gap:5px}.field-hint{margin-bottom:5px}}@media(max-height:640px) and (max-width:720px){.welcome{transform:translate(-50%,-43%)}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

@media(pointer:coarse){}@media(max-width:720px){}

@media(pointer:coarse){}

#playground{touch-action:none;user-select:none}#playground input{user-select:text}

body{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}input,textarea{-webkit-user-select:text;user-select:text;-webkit-touch-callout:default}

.session{display:flex;align-items:center;gap:10px}.session #room-name{max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px;color:#78806f}.session .text-button{font-size:11px;padding:8px 4px}body.playing .edition{display:none}@media(max-width:720px){body.playing .top-right{gap:8px}.session{gap:8px}.session #room-name{max-width:65px}}

.welcome{padding:24px;max-height:calc(100% - 32px);overflow-y:auto}.welcome h1{font-size:24px;line-height:1.3;letter-spacing:0;margin:0 0 16px}@media(max-width:720px){.welcome{padding:22px}}

html,body{touch-action:manipulation;overscroll-behavior:none}input,textarea,select{font-size:16px}

:root{--header-height:84px}body{height:100dvh;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);display:flex;flex-direction:column}.topbar{height:var(--header-height);flex:0 0 var(--header-height);padding-left:max(42px,env(safe-area-inset-left,0px));padding-right:max(42px,env(safe-area-inset-right,0px))}#playground{height:auto;min-height:0;flex:1;flex-shrink:1}@media(max-width:720px){:root{--header-height:65px}.topbar{padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}}