:root{color-scheme:dark;--night:#070c1d;--ivory:#f4f0e7;--lime:#e2ff77;--cyan:#65f7ff;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;background:var(--night);color:var(--ivory);-webkit-text-size-adjust:100%}
*{box-sizing:border-box}body{margin:0;background:var(--night);overscroll-behavior-y:none}button{font:inherit;color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation}button:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}button:disabled{cursor:default}[hidden]{display:none!important}
.app{width:min(100%,480px);height:100vh;height:100svh;min-height:480px;margin:0 auto;position:relative;overflow:hidden;isolation:isolate;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top,0px);background:var(--night)}
.header{height:66px;min-height:66px;padding:7px 12px 0;display:flex;align-items:center;justify-content:space-between;z-index:3}.brand{margin:0;width:48%;max-width:204px;line-height:0}.brand img{display:block;width:100%;height:auto}.utilities{display:flex;gap:12px}.icon-button{display:grid;place-items:center;width:48px;height:48px;padding:2px;border:1px solid #32384f;border-radius:12px;background:#171c2e;box-shadow:inset 0 1px 2px #ffffff0b}.icon-button:hover{background-color:#22283d}.icon-button:active{transform:scale(.96)}.icon-button:disabled{opacity:.4}
.icon{display:inline-block;width:40px;height:40px;flex:0 0 auto;background-image:url("./assets/png-optimized/controls.png");background-repeat:no-repeat;background-size:500% auto;background-position-y:center;pointer-events:none}.icon-sound{background-position-x:0%}.icon-mute{background-position-x:25%}.icon-pause{background-position-x:50%}.icon-play{background-position-x:75%}.icon-down{background-position-x:100%}
.main{display:flex;flex-direction:column;flex:1;min-height:0;touch-action:none}.scoreboard{flex:0 0 128px;text-align:center;position:relative;z-index:2;pointer-events:none;padding-top:12px}.height{display:flex;align-items:baseline;justify-content:center;gap:8px;height:85px}#score{font-family:Impact,"Arial Black","Hiragino Kaku Gothic ProN",sans-serif;font-variant-numeric:tabular-nums;font-weight:900;font-size:90px;line-height:.95;letter-spacing:1px}.unit{font-size:28px;font-weight:800;line-height:1}.best{font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-size:17px;font-weight:700;letter-spacing:3px;color:#d4d1cd;margin:8px 0 0}.best span{margin-left:5px}
.stage{position:relative;flex:1;min-height:140px;overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none}canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.feedback{position:absolute;left:0;right:0;top:5%;color:var(--lime);text-align:center;opacity:0;pointer-events:none;transform:translateY(8px)}.feedback strong{display:block;font-family:Impact,"Arial Black",sans-serif;font-size:clamp(32px,11vw,49px);font-style:italic;letter-spacing:2px;line-height:1.05;text-shadow:0 0 16px #cfff6445}.feedback small{display:block;font-family:ui-monospace,Consolas,monospace;font-size:17px;font-weight:800;font-style:italic;letter-spacing:3px;margin-top:8px}.feedback.show{animation:reward-text .85s ease-out both}.feedback.preview{opacity:1;transform:none}
.overlay{position:absolute;inset:0;z-index:2;display:flex;align-items:flex-start;justify-content:center;padding:35px 22px 0;pointer-events:none}.overlay-content{width:100%;text-align:center}.eyebrow{color:var(--lime);font:700 10px ui-monospace,Consolas,monospace;letter-spacing:1.8px;margin:0 0 17px}.overlay h2{font-size:29px;font-weight:800;line-height:1.55;letter-spacing:1px;margin:0 0 16px}.overlay #overlay-description{font-size:13px;line-height:1.9;color:#c0c6d6;margin:0}.app[data-state="gameover"] .overlay,.app[data-state="paused"] .overlay{background:#070c1dd9;padding-top:25px}.result{font:900 62px Impact,"Arial Black",sans-serif;color:var(--lime);margin-top:18px}.result small{font:700 14px ui-monospace,monospace;letter-spacing:2px;margin-left:8px}.share-button{min-height:44px;padding:10px 18px;background:transparent;border:0;color:#e3e5ed;font-size:13px;text-decoration:underline;text-underline-offset:5px;pointer-events:auto}
.controls{position:relative;z-index:3;flex:0 0 auto;padding:0 10px max(16px,env(safe-area-inset-bottom,0px));background:var(--night);text-align:center}#hint{font-size:15px;font-weight:700;letter-spacing:.8px;margin:0 0 17px;height:21px;line-height:21px}.stack-button{display:flex;justify-content:center;align-items:center;gap:9px;width:100%;min-height:74px;padding:14px 10px;border:0;border-radius:19px;color:#080d12;background:var(--lime);box-shadow:inset 0 1px 1px #ffffff80,0 0 25px #d3ff6410;font-size:clamp(21px,6.7vw,30px);font-weight:900;letter-spacing:.4px;transition:transform .08s,background .12s;touch-action:none;user-select:none;-webkit-user-select:none}.stack-button .icon{filter:brightness(0);width:43px;height:43px}.stack-button:active{transform:scale(.987);background:#edffae}.stack-button:disabled{cursor:default}.stack-button:disabled:active{transform:none;background:var(--lime)}.desktop-hint{display:none;font:10px ui-monospace,monospace;color:#78839d;letter-spacing:.6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.noscript{position:absolute;z-index:5;top:30%;padding:24px;background:var(--night)}@keyframes reward-text{0%{opacity:0;transform:translateY(8px) scale(.96)}16%,65%{opacity:1;transform:translateY(0) scale(1)}100%{opacity:0;transform:translateY(-6px)}}
@media(min-width:600px){body{background:#030612}.app{height:min(100svh,960px);min-height:580px;box-shadow:0 0 100px #0005}.desktop-hint{display:block;margin-top:10px}}
@media(max-width:360px){.utilities{gap:8px}.header{padding-left:9px;padding-right:9px}.brand{width:47%}#hint{font-size:13px}}
@media(max-height:730px){.header{height:58px;min-height:58px;padding-top:2px}.scoreboard{flex-basis:103px;padding-top:8px}.height{height:65px}#score{font-size:71px}.unit{font-size:24px}.best{font-size:14px;margin-top:8px}.stack-button{min-height:64px}#hint{margin-bottom:11px;font-size:13px}.controls{padding-bottom:max(10px,env(safe-area-inset-bottom,0px))}.overlay{padding-top:17px}.overlay h2{font-size:24px;margin-bottom:10px}.overlay #overlay-description{font-size:12px}.eyebrow{font-size:9px;margin-bottom:10px}.feedback strong{font-size:32px}.feedback small{font-size:14px}.result{font-size:46px;margin-top:9px}}
@media(orientation:landscape) and (max-height:500px){.app{min-height:480px}body{overflow-y:auto}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.feedback.show{opacity:1;transform:none}}
#hint.discovered{color:var(--cyan);animation:discovery 2.2s ease-out both}
@keyframes discovery{0%{opacity:.6;transform:translateY(3px)}20%,75%{opacity:1;transform:translateY(0);text-shadow:0 0 12px #65f7ff55}100%{opacity:1;transform:translateY(0);text-shadow:none}}
.feedback[data-tier="1"]{color:#baffff}.feedback[data-tier="2"]{color:#e4d5ff}.feedback[data-tier="3"]{color:#fff2be}
.feedback[data-tier="2"] strong{text-shadow:0 0 16px #ab80ff66}.feedback[data-tier="3"] strong{text-shadow:0 0 20px #ffcb7259}
.feedback-caption{display:block;min-height:16px;margin-top:7px;font-size:11px;letter-spacing:1.5px;font-weight:600;color:#e6e4ed}
.feedback.milestone.show{animation:milestone-text 1.12s ease-out both}
.chain{--chain-color:#baffff;position:absolute;left:50%;bottom:11px;transform:translateX(-50%);width:min(250px,78%);display:flex;align-items:center;gap:10px;pointer-events:none;color:var(--chain-color);font:700 9px ui-monospace,monospace;letter-spacing:1px;text-shadow:0 1px 5px #070c1d}
.chain b{font-size:15px}.chain span{white-space:nowrap}.chain small{font-size:8px;white-space:nowrap;color:#b1bed3}
.chain progress{appearance:none;-webkit-appearance:none;display:block;flex:1;min-width:25px;height:3px;border:0;border-radius:2px;overflow:hidden;background:#ffffff15;accent-color:var(--chain-color)}
.chain progress::-webkit-progress-bar{background:#ffffff15;border-radius:2px}.chain progress::-webkit-progress-value{background:var(--chain-color);border-radius:2px}.chain progress::-moz-progress-bar{background:var(--chain-color);border-radius:2px}
.app[data-combo-tier="1"] #score{text-shadow:0 0 18px #45e7ff18}.app[data-combo-tier="2"] #score{text-shadow:0 0 20px #ab80ff24}.app[data-combo-tier="3"] #score{text-shadow:0 0 23px #ffcb7229}
.app[data-state="paused"] .chain,.app[data-state="gameover"] .chain{visibility:hidden}
@keyframes milestone-text{0%{opacity:0;transform:translateY(7px) scale(.92)}15%{opacity:1;transform:translateY(0) scale(1.035)}30%,72%{opacity:1;transform:translateY(0) scale(1)}100%{opacity:0;transform:translateY(-5px) scale(1)}}

.environment{position:absolute;inset:0;z-index:0;pointer-events:none}
.main{position:relative}.scoreboard{z-index:auto}
.controls{background:transparent}#hint{text-shadow:0 2px 6px #00102f}
.location{position:absolute;right:12px;bottom:64px;z-index:1;pointer-events:none;color:#f4f0e7;font-size:14px;font-weight:800;letter-spacing:2px;border-bottom:2px solid var(--lime);padding-bottom:3px;text-shadow:0 2px 5px #001432}
.score-digits{display:none}
#score{--digit-width:70px;display:inline-flex;align-items:center;height:85px}
.digits-ready #score{mix-blend-mode:screen}.digits-ready .score-native{display:none}.digits-ready .score-digits{display:inline-flex;align-items:center}
.score-digit{width:var(--digit-width);height:85px;display:block;flex:0 0 auto;background-image:url("./assets/score-digits-dark.png");background-repeat:no-repeat;background-size:1000% auto;background-position-y:50%}
.digits-ready .unit{align-self:flex-end;margin-bottom:7px}
@media(max-height:730px){#score,.score-digit{height:67px}.score-digit{width:calc(var(--digit-width) * .8)}.digits-ready .unit{margin-bottom:5px}.location{bottom:60px;font-size:12px}}