:root{color:var(--ink);background:var(--lavender);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:ui-rounded,Hiragino Maru Gothic ProN,Hiragino Kaku Gothic ProN,Yu Gothic,system-ui,sans-serif}*{box-sizing:border-box}body{overscroll-behavior:none;background-image:radial-gradient(var(--muted) .8px, transparent .8px);background-size:22px 22px;margin:0;overflow:hidden}button,select{font:inherit;color:inherit;touch-action:manipulation}button{cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{opacity:.32;cursor:default}button:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid var(--purple);outline-offset:3px}button svg{flex:none;width:21px;height:21px}[hidden]{display:none!important}.game-shell{isolation:isolate;width:100%;height:100dvh;padding:max(16px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(24px, 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var(--lemon), -6px 6px 0 var(--ink), 4px 8px 0 var(--purple);border-radius:16px;flex:none;position:relative;overflow:hidden;container-type:inline-size}.stage-frame:after{content:"";border:var(--outline) solid var(--ink);border-radius:inherit;pointer-events:none;position:absolute;inset:0}canvas{touch-action:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;display:block}.hud{border:1px solid var(--ink);background:color-mix(in srgb, var(--paper) 94%, transparent);box-shadow:1px 2px 0 var(--lemon);color:var(--ink);font-variant-numeric:tabular-nums;white-space:nowrap;pointer-events:none;-webkit-user-select:none;user-select:none;border-radius:10px;align-items:center;gap:4px;padding:1px 4px;font:700 10px/1.4 system-ui,sans-serif;display:flex;position:absolute;top:8px;right:10px}.hud b{font:inherit;font-weight:850}.time-info{align-items:center;gap:4px;display:inline-flex}.stage-intro{pointer-events:none;-webkit-user-select:none;user-select:none;max-width:min(360px,100% - 28px);color:var(--ink);text-shadow:0 1px 1px var(--paper), 0 0 5px var(--sky);opacity:1;visibility:visible;transition:opacity .16s,visibility;position:absolute;top:12px;left:14px}.stage-intro.is-dismissed{opacity:0;visibility:hidden;transition:opacity .16s,visibility 0s .16s}.stage-intro #description{color:var(--muted);margin:5px 0 0;font-size:14px;line-height:1.45}.stage-title{align-items:center;gap:7px;min-width:0;max-width:100%;display:flex}#stage-number{border:1px solid var(--ink);background:var(--lemon);letter-spacing:.03em;border-radius:4px;padding:1px 4px;font-family:system-ui,sans-serif;font-size:12px;font-weight:850}h1{letter-spacing:.03em;text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:17px;font-weight:850;line-height:1.3;overflow:hidden}.stage-note{border:2px solid var(--ink);background:var(--paper);width:max-content;max-width:min(620px,100% - 24px);box-shadow:3px 3px 0 var(--lemon), 5px 5px 0 var(--ink);color:var(--ink);border-radius:12px;padding:10px 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(orientation:landscape){.game-shell{padding:max(7px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));gap:6px}.header{min-height:36px}.wordmark{height:34px;box-shadow:2px 2px 0 var(--lemon), 3px 3px 0 var(--ink);border-width:2px;border-radius:11px;padding:3px 8px 3px 4px;font-size:21px}.logo-mark{border-radius:7px;width:24px;height:24px;margin-right:6px}.logo-mark svg{width:21px;height:21px}.stage-picker{border-radius:11px;min-height:34px;padding:0 9px 0 0}.stage-picker select{min-height:30px;font-size:11px}.stage-picker label{margin:0;padding:0 9px}.header-actions .hint-button{min-height:34px}.tagline{display:none}.play-area,.stage-frame{border-radius:10px}.stage-frame{box-shadow:-2px 2px 0 var(--lemon), -4px 4px 0 var(--ink), 3px 5px 0 var(--purple)}.controls{border-radius:13px;padding:3px 5px}.tool,.primary{min-height:42px;padding:0 12px;font-size:11px}.tool{gap:5px;padding:0 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