:root{color-scheme:dark;--bg: #0a0e27;--bg-deep: #070a10;--panel: rgba(15, 22, 31, .92);--surface: #131736;--line: #2a3166;--line-strong: rgba(228, 231, 241, .32);--text: #e4e7f1;--text-strong: #eef7ff;--muted: rgba(228, 231, 241, .62);--accent: #00c9a7;--accent-hot: #35f0c0;--warn: #ff5757;--warm: #ffd66b;--danger: #ff5757;--warning: #ffb830;--border: #2a3166;--radius: 14px;--radius-sm: 8px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}[hidden]{display:none!important}html,body{width:100%;min-height:100%;margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Segoe UI,sans-serif;font-variant-numeric:tabular-nums;overflow:hidden;overscroll-behavior:none;touch-action:none;user-select:none}.shell{position:fixed;inset:0;display:grid;place-items:center;padding:calc(8px + env(safe-area-inset-top,0px)) 8px calc(118px + env(safe-area-inset-bottom,0px))}#game,.hud{grid-area:1 / 1}#game{width:min(100dvw,calc((100dvh - 126px - env(safe-area-inset-bottom,0px)) * 390 / 720));height:min(calc(100dvh - 126px - env(safe-area-inset-bottom,0px)),calc(100dvw * 720 / 390));max-width:440px;max-height:812px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-deep);box-shadow:0 18px 64px #00000080;touch-action:none;outline:none}#game:focus-visible{border-color:var(--accent)}.hud{width:min(100dvw,calc((100dvh - 126px - env(safe-area-inset-bottom,0px)) * 390 / 720));max-width:440px;align-self:start;justify-self:center;pointer-events:none;padding:12px 16px 0;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto auto;gap:6px 12px;align-items:center;font-size:12px;letter-spacing:.04em;text-shadow:0 1px 2px rgba(0,0,0,.6)}.hud>*{pointer-events:none}.hud-title{font-size:14px;font-weight:600;letter-spacing:.08em;color:var(--text-strong)}.hud-stats{justify-self:end;display:inline-flex;gap:12px;color:var(--muted);font-size:12px}.hud-stats .label{color:var(--muted);margin-right:4px;font-size:12px}.hud-stats #hudHp,.hud-stats #hudRun{color:var(--text-strong);font-weight:600}.heat-bar{position:relative;grid-column:1 / span 2;display:flex;align-items:center;gap:8px;height:10px;padding-right:44px}.heat-bar:before{content:"";position:absolute;inset:0 44px 0 0;border-radius:999px;background:#e4e7f114}.heat-fill{position:absolute;left:0;top:0;width:0%;max-width:calc(100% - 44px);height:10px;border-radius:999px;background:var(--accent);transition:width .08s linear,background .15s ease}.heat-fill.is-cool{background:var(--accent)}.heat-fill.is-warm{background:var(--warning)}.heat-fill.is-over{background:var(--danger);box-shadow:0 0 12px #ff575773}.heat-pct{position:absolute;right:0;top:50%;transform:translateY(-50%);min-width:40px;text-align:right;font-size:12px;color:var(--muted)}.hud-tip{grid-column:1 / span 2;justify-self:end;color:var(--muted);font-size:13px;margin-top:2px}.upgrade-dock{position:fixed;left:50%;bottom:max(8px,env(safe-area-inset-bottom));width:min(100dvw - 16px,440px);transform:translate(-50%);display:grid;grid-template-columns:82px 1fr;gap:8px;padding:8px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.bank{min-height:82px;display:grid;align-content:center;gap:2px;padding:8px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface)}.bank span,.eyebrow{color:var(--muted);font-size:11px;letter-spacing:.06em}.bank strong{font-size:20px;line-height:1;overflow-wrap:anywhere;color:var(--text-strong)}.upgrade-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.upgrade-button{min-height:44px;display:grid;align-content:center;gap:1px;padding:6px 7px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);font:inherit;text-align:left;cursor:pointer;transition:transform .1s ease,background .15s ease,border-color .15s ease}.upgrade-button:not(:disabled):active{transform:scale(.96);background:#283848b3;border-color:var(--line-strong)}.upgrade-button strong,.upgrade-button span{overflow-wrap:anywhere}.upgrade-button strong{font-size:11px;line-height:1.1;color:var(--text-strong);font-weight:600}.upgrade-button span{color:var(--muted);font-size:10px;line-height:1.1}.upgrade-button:disabled{opacity:.42;cursor:default}.upgrade-button.locked{border-style:dashed}.modal{position:fixed;inset:0;display:grid;place-items:center;padding:18px;background:#03060a9e;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:10}.modal-card{width:min(92dvw,360px);display:grid;gap:12px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:#0b1017f5;box-shadow:0 24px 88px #00000080}.modal-card strong{font-size:22px;line-height:1.15;color:var(--text-strong)}.primary-button,.secondary-button{min-height:48px;border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--text-strong);font:inherit;font-weight:600;letter-spacing:.04em;cursor:pointer;transition:transform .1s ease,background .15s ease}.primary-button{background:color-mix(in srgb,var(--accent),#101720 70%);border-color:color-mix(in srgb,var(--accent),transparent 60%)}.primary-button:not(:disabled):active,.secondary-button:active{transform:scale(.96)}.primary-button:disabled{opacity:.42;cursor:default}.secondary-button{background:var(--surface)}.title-screen{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:24px;background:radial-gradient(ellipse at 50% 36%,rgba(0,201,167,.08),transparent 62%),var(--bg);opacity:0;animation:title-bg-in .2s ease-out forwards}.title-screen.is-leaving{opacity:0;transition:opacity .35s ease-in;animation:none}.title-stage{display:grid;place-items:center;gap:28px;max-width:400px;width:100%;text-align:center}.title-headline{margin:0;font-size:clamp(80px,22vw,140px);font-weight:200;letter-spacing:.04em;color:var(--accent);text-shadow:0 0 24px rgba(0,201,167,.35);line-height:1;opacity:0;animation:headline-emerge 1s ease-out .4s forwards}.title-subtitle{margin:0;color:var(--muted);font-size:14px;letter-spacing:.06em;opacity:0;animation:title-fade-in .7s ease-out .8s forwards}.title-start{min-height:56px;min-width:200px;padding:0 28px;background:color-mix(in srgb,var(--accent),var(--bg) 70%);border:1px solid var(--accent);color:var(--text);border-radius:var(--radius);font:inherit;font-size:16px;letter-spacing:.05em;cursor:pointer;transition:transform .12s ease,box-shadow .2s ease;opacity:0;animation:title-fade-in .7s ease-out 1s forwards}.title-start:active{transform:scale(.96);box-shadow:0 0 32px #00c9a74d}.title-meta{margin:0;color:var(--muted);font-size:11px;letter-spacing:.05em;opacity:0;animation:title-fade-in .7s ease-out 1.3s forwards}@keyframes title-bg-in{to{opacity:1}}@keyframes title-fade-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes headline-emerge{0%{opacity:0;transform:scale(.92);text-shadow:0 0 48px rgba(0,201,167,.55)}to{opacity:1;transform:scale(1);text-shadow:0 0 24px rgba(0,201,167,.35)}}@media (prefers-reduced-motion: reduce){.title-screen,.title-headline,.title-subtitle,.title-start,.title-meta{animation-duration:1ms;animation-delay:0s}.title-screen.is-leaving{transition-duration:1ms}}.hud-stats #hudHp,.hud-stats #hudRun{display:inline-block;transition:color .15s ease}.hud-stats #hudHp.is-damage{animation:hud-damage .3s ease-out}.hud-stats #hudHp.is-heal{animation:hud-heal .5s ease-out}.hud-stats #hudRun.is-bump{animation:hud-bump .25s ease-out}@keyframes hud-damage{0%{color:var(--text-strong);transform:scale(1);text-shadow:0 1px 2px rgba(0,0,0,.6)}35%{color:#ff5757;transform:scale(1.15);text-shadow:0 0 12px rgba(255,87,87,.8)}to{color:var(--text-strong);transform:scale(1);text-shadow:0 1px 2px rgba(0,0,0,.6)}}@keyframes hud-heal{0%{color:var(--text-strong);transform:scale(1);text-shadow:0 1px 2px rgba(0,0,0,.6)}40%{color:#35f0c0;transform:scale(1.18);text-shadow:0 0 14px rgba(53,240,192,.85)}to{color:var(--text-strong);transform:scale(1);text-shadow:0 1px 2px rgba(0,0,0,.6)}}@keyframes hud-bump{0%{color:var(--text-strong);transform:scale(1)}45%{color:var(--accent-hot);transform:scale(1.1);text-shadow:0 0 10px rgba(53,240,192,.7)}to{color:var(--text-strong);transform:scale(1);text-shadow:0 1px 2px rgba(0,0,0,.6)}}.heat-bar.is-pop{animation:heat-bar-pop .4s ease-out}@keyframes heat-bar-pop{0%{transform:scaleX(1)}45%{transform:scaleX(1.06) scaleY(1.4)}to{transform:scaleX(1) scaleY(1)}}.heat-fill.is-over{animation:overheat-pulse .6s ease-in-out infinite}@keyframes overheat-pulse{0%,to{opacity:.85;transform:scaleY(1)}50%{opacity:1;transform:scaleY(1.08)}}body.is-overheat:after{content:"";position:fixed;inset:0;pointer-events:none;box-shadow:inset 0 0 80px #ff57574d;opacity:0;animation:heart-pulse .6s ease-in-out infinite;z-index:5}@keyframes heart-pulse{0%,to{opacity:0}50%{opacity:1}}#game.is-dying{filter:brightness(.5) saturate(.4);transition:filter .8s ease-out}.upgrade-button.is-just-unlocked{animation:just-unlocked 1.5s ease-out;border-color:var(--accent)}@keyframes just-unlocked{0%{transform:scale(1);box-shadow:0 0 #00c9a700;border-color:var(--accent)}30%{transform:scale(1.04);box-shadow:0 0 24px #00c9a78c;border-color:var(--accent)}to{transform:scale(1);box-shadow:0 0 #00c9a700;border-color:var(--line)}}.unlock-toast{position:fixed;top:max(16px,env(safe-area-inset-top,0px));left:50%;transform:translate(-50%);padding:10px 18px;background:#00c9a726;border:1px solid var(--accent);border-radius:var(--radius);color:var(--text);font-size:13px;letter-spacing:.05em;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:60;opacity:0;transition:opacity .25s ease;pointer-events:none;white-space:nowrap}.unlock-toast.is-visible{opacity:1}.unlock-toast-label{color:var(--accent);margin-right:8px;font-weight:600}.unlock-toast-name{color:var(--text-strong);font-weight:600}@media (prefers-reduced-motion: reduce){.hud-stats #hudHp.is-damage,.hud-stats #hudHp.is-heal,.hud-stats #hudRun.is-bump,.heat-bar.is-pop,.heat-fill.is-over,body.is-overheat:after,.upgrade-button.is-just-unlocked{animation-duration:1ms}#game.is-dying{transition-duration:1ms}}