:root{color-scheme:light;--paper:#eeeae1;--ink:#172025;--lime:#e3ff64;--coral:#ff755b;--muted:#787c73;font-family:Arial,"Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0;overscroll-behavior:none}button,select,a{-webkit-tap-highlight-color:transparent}button,select{font:inherit}button,a,select{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,select:focus-visible,canvas:focus-visible{outline:3px solid var(--coral);outline-offset:5px}button{border:0}button:disabled{opacity:.4;cursor:default}a{color:inherit}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.shell{max-width:1520px;margin:auto;padding:0 42px}header{height:100px;display:flex;justify-content:space-between;align-items:center}.wordmark{font-size:22px;letter-spacing:-1px;font-weight:900;text-decoration:none;display:flex;align-items:center;gap:10px}.wordmark-dot{font-size:9px;align-self:flex-start;margin-top:6px;margin-left:-6px}.mark{display:grid;place-items:center;width:32px;height:32px;background:var(--ink);color:var(--paper);border-radius:50%;font-size:25px;font-weight:400;transition:transform .4s cubic-bezier(.2,1.8,.5,1)}.wordmark:hover .mark{transform:rotate(180deg)}.header-tools{display:flex;align-items:center;gap:20px}.icon-button{display:grid;place-items:center;background:none;width:36px;height:36px;border-radius:50%;transition:background .2s}.icon-button:hover{background:#1720250d}.sound-on{display:none}#sound[aria-pressed=true] .sound-off{display:none}#sound[aria-pressed=true] .sound-on{display:block}.language{position:relative;display:flex;align-items:center}.language select{appearance:none;border:0;background:transparent;color:inherit;font-size:12px;font-weight:700;padding:12px 22px 12px 8px;cursor:pointer;max-width:100px}.language>span:last-child{pointer-events:none;position:absolute;right:4px;font-size:16px}.arena{position:relative;height:min(650px,calc(100svh - 172px));min-height:320px;isolation:isolate;border-radius:26px;overflow:hidden;background:var(--ink);color:var(--paper);touch-action:none;box-shadow:0 20px 30px -25px #141b264d;user-select:none}canvas{display:block;position:absolute;inset:0;width:100%;height:100%;outline-offset:-5px!important}.panel{position:absolute;inset:0;z-index:4;pointer-events:none}.panel[hidden]{display:none!important}.panel button,.panel a{pointer-events:auto}.welcome{display:flex;align-items:center}.intro-copy{width:65%;padding-left:7%;padding-bottom:15px;position:relative;z-index:2}.edition{font-size:10px;letter-spacing:.15em;font-weight:700;color:#bec6bc;margin:0 0 19px}.welcome h1{font-size:clamp(76px,10.3vw,151px);line-height:1;letter-spacing:-.085em;font-weight:900;margin:0 0 24px;white-space:nowrap}.title-stop{color:var(--coral);display:inline-block;margin-left:-.02em}.arena:lang(ja) .welcome h1{font-size:clamp(76px,9.4vw,134px);letter-spacing:-.12em}.tagline{font-size:14px;line-height:1.7;letter-spacing:.04em;margin:0 0 29px;color:#d1d5cb}.primary{display:flex;align-items:center;justify-content:space-between;gap:48px;min-width:188px;height:58px;padding:0 24px;border-radius:50px;background:var(--lime);color:var(--ink);font-size:14px;font-weight:800;transition:transform .22s cubic-bezier(.2,1.9,.45,1),background .15s;box-shadow:0 4px 0 #8ca540;white-space:nowrap}.primary:hover{transform:translateY(-3px) scale(1.025);background:#ecff98}.primary:active{transform:translateY(3px) scale(.97);box-shadow:0 1px 0 #8ca540}.button-arrow{font-size:28px;line-height:1;font-weight:400;transition:transform .25s}.primary:hover 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auto;display:flex;align-items:flex-start;justify-content:space-between;pointer-events:none}.score-group{display:flex;align-items:center;gap:10px}.score{font-size:44px;line-height:1;letter-spacing:-3px;font-weight:800;font-variant-numeric:tabular-nums}.score-label{font-size:9px;letter-spacing:.16em;color:#aeb9af}.hud-right{display:flex;align-items:center;gap:9px;font-size:13px;font-variant-numeric:tabular-nums;font-weight:700}.best-label{font-size:9px;letter-spacing:.12em;color:#aeb9af}.pause{margin-left:15px;pointer-events:auto;background:#edf0e910;color:#eef2e6;border:1px solid #dfe6db22;border-radius:50%;width:32px;height:32px;font-weight:700;font-size:15px;transition:background .2s}.pause:hover{background:#edf0e927}.arena[data-screen=ready] .score-group,.arena[data-screen=ready] .pause,.arena[data-screen=dead] .score-group,.arena[data-screen=dead] .pause{visibility:hidden}.expand{position:absolute;z-index:5;right:24px;bottom:17px;background:none;color:#a3ada1;padding:10px;opacity:.6;transition:opacity .2s}.expand:hover{opacity:1}.expand svg{width:16px;height:16px}.toast{position:absolute;z-index:8;top:17%;left:50%;transform:translate(-50%,8px);font-size:13px;font-weight:800;background:var(--lime);color:var(--ink);padding:9px 18px;border-radius:30px;opacity:0;pointer-events:none;transition:opacity .15s,transform .25s;white-space:nowrap}.toast.visible{opacity:1;transform:translate(-50%,0)}.first-hint{position:absolute;z-index:3;left:50%;bottom:23%;transform:translateX(-50%);font-size:12px;letter-spacing:.05em;color:#e5ebd9b5;padding:9px 18px;border:1px solid #dce9c52b;border-radius:25px;background:#172025aa;pointer-events:none;white-space:nowrap}.paused{background:#172025cf;backdrop-filter:blur(9px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;z-index:6}.paused 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@media(max-width:760px){.shell{padding:0 17px}header{height:76px}.wordmark{font-size:19px}.mark{width:28px;height:28px;font-size:22px}.header-tools{gap:10px}.arena{height:calc(100svh - 139px);min-height:390px;border-radius:22px}.welcome{align-items:flex-start}.intro-copy{padding:0 8%;margin-top:24%;width:100%}.edition{font-size:8px;margin-bottom:15px;letter-spacing:.1em}.welcome h1,.arena:lang(ja) .welcome h1{font-size:clamp(66px,18vw,116px);margin-bottom:17px}.tagline{font-size:11px;max-width:220px;margin-bottom:25px}.primary{height:53px;min-width:167px;font-size:13px;padding:0 23px}.control-hint{font-size:9px;margin-top:21px}.keycap{font-size:8px}.demo-label{right:9%;top:17%;bottom:18%;font-size:25px}.game-hud{inset:21px 20px auto}.score{font-size:36px}.score-label{display:none}.hud-right{font-size:12px;gap:6px}.best-label{font-size:8px}.pause{margin-left:8px}.expand{bottom:10px;right:12px}.result-copy{padding-left:9%;max-width:83%}.final-score>span{font-size:100px}.result-orbit{width:43%;right:-8%;top:12%;opacity:.6}.result-orbit>div{font-size:82px}.result-links{gap:19px}.result-links a,.result-links button{font-size:10px}.paused p{font-size:28px}footer{height:63px;font-size:9px;gap:7px}footer p{max-width:210px;font-size:9px}footer button{font-size:10px;white-space:nowrap}.footer-mark{font-size:18px}.toast{font-size:11px;top:16%}.first-hint{font-size:11px;bottom:22%}}
@media(max-height:540px){.shell{padding:0 20px}header{height:61px}.arena{height:calc(100svh - 106px);min-height:190px;border-radius:19px}.intro-copy{margin:0;padding-left:7%;padding-bottom:0}.welcome{align-items:center}.welcome h1,.arena:lang(ja) .welcome h1{font-size:64px;margin-bottom:10px}.edition{display:none}.tagline{font-size:11px;margin-bottom:15px}.primary{height:42px;min-width:150px;font-size:12px}.control-hint{display:none}.game-hud{top:15px}.final-score>span{font-size:75px}.result-copy{padding-left:10%}.eyebrow{font-size:11px}#result-note{margin:8px 0 14px}.result-links{margin-top:12px}.result-orbit{max-width:220px;right:18%;top:auto}.paused p{font-size:25px}.paused{gap:14px}footer{height:45px}.help-symbol{display:none}dialog{padding:20px 30px;max-height:90vh}.help-points{margin:12px 0}.help-small{margin:10px 0 15px}.expand{bottom:8px}.first-hint{bottom:18%;font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}.primary:hover{transform:none}.wordmark:hover .mark{transform:none}}