:root{
    --cyan:#ffad2f; --mag:#d92d20; --yel:#ffe18a; --grn:#8fd05a; --pur:#d17843;
    --bg0:#090402;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html,body{height:100%;overflow:hidden;background:#090402;
    font-family:"Segoe UI","Hiragino Kaku Gothic ProN","Meiryo",sans-serif;
    color:#eaf6ff;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:none;}
  #wrap{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
    background:radial-gradient(ellipse at 50% -10%, #5a1d0d 0%, #211008 45%, var(--bg0) 100%);}
  #stage{position:relative;width:min(100vw,calc(100vh*0.5625));height:min(100vh,calc(100vw/0.5625));
    overflow:hidden;background:#100603;box-shadow:0 0 80px rgba(255,91,32,.18), inset 0 0 140px rgba(0,0,0,.78);}
  canvas{display:block;width:100%;height:100%}

  #hud{position:absolute;inset:0;pointer-events:none;padding:12px 14px;
    display:flex;flex-direction:column;justify-content:space-between;font-weight:700;letter-spacing:.5px}
  .row{display:flex;justify-content:space-between;align-items:flex-start}
  .lab{font-size:9px;opacity:.55;letter-spacing:2px}
  .val{font-size:20px;text-shadow:0 0 10px currentColor;line-height:1.05}
  #score{color:var(--cyan)} #stageN{color:var(--yel)} #hiscore{color:var(--mag);font-size:13px}
  #comboBox{text-align:right}
  #combo{font-size:26px;color:var(--grn);text-shadow:0 0 12px var(--grn);line-height:1}
  #comboL{font-size:9px;opacity:.55;letter-spacing:2px}
  .bars{display:flex;flex-direction:column;gap:5px}
  .bw{width:132px}.bl{font-size:8px;opacity:.7;letter-spacing:1px;margin-bottom:2px}
  .bar{height:9px;border-radius:5px;background:rgba(255,255,255,.09);overflow:hidden}
  .bar>i{display:block;height:100%;transform-origin:left;transition:transform .1s}
  #hpBar>i{background:linear-gradient(90deg,#ff5a7a,#ff2d9b);box-shadow:0 0 10px #ff2d9b}
  #odBar>i{background:linear-gradient(90deg,#3dff9e,#22e6ff);box-shadow:0 0 10px #22e6ff}
  #lives{font-size:16px;color:#ff6b8a;letter-spacing:2px;margin-top:4px}

  .overlay{position:absolute;inset:0;pointer-events:auto;display:flex;flex-direction:column;
    align-items:center;justify-content:center;text-align:center;gap:16px;padding:24px;
    background:radial-gradient(ellipse at center, rgba(4,5,14,.55), rgba(4,5,14,.94));backdrop-filter:blur(2px);z-index:10}
  .title{font-size:clamp(30px,8.5vw,58px);font-weight:900;letter-spacing:3px;line-height:.95;
    background:linear-gradient(180deg,#d6fbff,#22e6ff 45%,#ff2d9b);-webkit-background-clip:text;background-clip:text;color:transparent;
    filter:drop-shadow(0 0 18px rgba(34,230,255,.5));animation:flick 5s infinite}
  @keyframes flick{0%,96%,100%{opacity:1}97%{opacity:.5}98%{opacity:.9}}
  .sub{font-size:12px;letter-spacing:6px;color:var(--yel);opacity:.85;margin-top:-4px}
  .desc{font-size:12.5px;line-height:1.85;opacity:.85;max-width:340px}
  .desc b{color:var(--cyan)}
  .btn{pointer-events:auto;cursor:pointer;font-weight:800;font-size:15px;letter-spacing:3px;
    padding:13px 38px;border:2px solid var(--cyan);border-radius:40px;color:#eafcff;background:rgba(34,230,255,.08);
    box-shadow:0 0 20px rgba(34,230,255,.35),inset 0 0 20px rgba(34,230,255,.15);transition:transform .1s,box-shadow .2s}
  .btn:hover{transform:scale(1.05)} .btn:active{transform:scale(.96)}
  .btn.mag{border-color:var(--mag);box-shadow:0 0 20px rgba(255,45,155,.4),inset 0 0 20px rgba(255,45,155,.15)}
  .keys{font-size:11px;opacity:.6;letter-spacing:2px;line-height:1.9}
  #startScreen{overflow-y:auto;justify-content:flex-start;padding-top:58px;padding-bottom:34px}.keys{flex:0 0 auto}
  .keys kbd{background:rgba(255,255,255,.12);border-radius:4px;padding:2px 7px;margin:0 2px}
  .hidden{display:none!important}
  #finalScore{font-size:42px;color:var(--cyan);text-shadow:0 0 18px var(--cyan);font-weight:900}
  #goTitle{font-size:clamp(26px,7vw,46px);font-weight:900;letter-spacing:3px}
  .statl{font-size:12.5px;opacity:.82;letter-spacing:2px}.statl span{color:var(--yel)}
  #newRec{color:var(--yel);font-weight:800;letter-spacing:3px}

  #banner{position:absolute;top:34%;left:0;right:0;text-align:center;pointer-events:none;z-index:6;opacity:0}
  #banner .bm{font-size:clamp(22px,6.5vw,40px);font-weight:900;letter-spacing:4px;color:#fff}
  #banner .bs{font-size:13px;letter-spacing:5px;margin-top:4px}
  .bshow{animation:bshow 2.6s ease forwards}
  @keyframes bshow{0%{opacity:0;transform:translateY(18px) scale(.92)}14%{opacity:1;transform:none}82%{opacity:1}100%{opacity:0;transform:translateY(-12px) scale(1.02)}}

  #bossName{position:absolute;bottom:64px;left:0;right:0;text-align:center;pointer-events:none;z-index:6;opacity:0}
  #bossName .bn{font-size:clamp(20px,6vw,34px);font-weight:900;letter-spacing:3px;color:#fff;text-shadow:0 0 18px var(--mag)}
  #bossName .bnsub{font-size:11px;letter-spacing:5px;color:var(--yel);margin-top:3px}
  .bnshow{animation:bnshow 3s ease forwards}
  @keyframes bnshow{0%{opacity:0}10%{opacity:1}80%{opacity:1}100%{opacity:0}}

  #hint{position:absolute;bottom:14px;left:0;right:0;text-align:center;font-size:10.5px;opacity:.4;letter-spacing:2px;pointer-events:none}
  @media(hover:hover){#hint{display:none}}
  #mute{position:absolute;top:10px;right:50%;transform:translateX(50%);}
  #musicControl{position:absolute;z-index:30;top:10px;left:50%;transform:translateX(-50%);pointer-events:auto;border:1px solid rgba(255,225,77,.65);border-radius:999px;background:rgba(25,7,3,.86);color:#fff4d4;padding:8px 15px;font-size:11px;font-weight:800;letter-spacing:.05em;cursor:pointer;box-shadow:0 0 18px rgba(255,96,28,.28)}
  #musicControl.playing{color:#ffe14d;border-color:#ffe14d}#musicControl.error{color:#ff9b8f;border-color:#ff5d4a}
  .audio-settings{position:absolute;z-index:40;left:14px;right:14px;bottom:12px;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:7px 10px;border-radius:10px;background:rgba(9,4,2,.88);pointer-events:auto;opacity:1;transition:opacity .2s}
  #stage:has(#startScreen.hidden)>.audio-settings{opacity:.22}
  .audio-settings label{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:6px;color:#fff;font-size:10px}
  .audio-settings input{width:100%;accent-color:var(--yel)}.audio-settings output{min-width:30px;text-align:right;color:var(--yel)}
  .perk-notice{margin:9px 0 46px;padding:7px 10px;border:1px solid rgba(255,225,77,.55);border-radius:8px;color:var(--yel);background:rgba(255,96,28,.12);font-weight:900}
  .game-options{display:flex;justify-content:center;gap:14px;align-items:center;margin-top:8px;pointer-events:auto}.game-options select{background:#160904;color:#fff;border:1px solid var(--yel);border-radius:5px;padding:3px}.game-options input{accent-color:var(--yel)}

  /* Cinematic story & reward presentation */
  .overlay{isolation:isolate}
  .overlay::before{content:"";position:absolute;inset:0;z-index:-2;background:
    radial-gradient(circle at 50% 26%,rgba(34,230,255,.12),transparent 35%),
    linear-gradient(115deg,transparent 38%,rgba(255,255,255,.035) 50%,transparent 62%);animation:aurora 7s ease-in-out infinite}
  @keyframes aurora{50%{transform:translate3d(0,18px,0) scale(1.08);filter:hue-rotate(35deg)}}
  .story-kicker{font-size:10px;letter-spacing:5px;color:var(--mag);font-weight:900}
  .story-card{position:relative;width:min(410px,94%);padding:18px 18px 16px;border:1px solid rgba(34,230,255,.38);
    border-radius:18px;background:linear-gradient(145deg,rgba(10,17,46,.9),rgba(5,6,18,.92));
    box-shadow:0 0 40px rgba(34,230,255,.12),inset 0 0 34px rgba(34,230,255,.05);overflow:hidden}
.story-card::after{content:"MISSION // LAST ORDER";position:absolute;top:7px;right:10px;font-size:7px;letter-spacing:2px;color:rgba(255,255,255,.28)}
  .story-line{font-size:13px;line-height:1.9;text-align:left;color:#dcecff;text-shadow:0 1px 8px #000}
  .story-line strong{color:#fff;font-size:15px}.story-line em{color:var(--yel);font-style:normal;font-weight:900}
  .story-page{display:none;min-height:186px;animation:storyIn .6s ease-out both}
  .story-page.active{display:block}
  .story-chapter{font-size:8px;letter-spacing:3px;color:var(--cyan);margin:3px 0 12px;font-weight:900}
  .story-lead{font-size:20px;line-height:1.35;font-weight:1000;color:#fff;margin-bottom:10px;text-shadow:0 0 20px rgba(34,230,255,.45)}
  .story-progress{display:flex;justify-content:center;gap:9px;margin-top:12px}
  .story-progress i{width:28px;height:3px;border-radius:3px;background:rgba(255,255,255,.16);transition:.35s}
  .story-progress i.on{background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
  @keyframes storyIn{from{opacity:0;transform:translateX(20px);filter:blur(5px)}to{opacity:1;transform:none;filter:none}}
  .vow{margin-top:10px;padding-top:10px;border-top:1px solid rgba(255,255,255,.12);font-weight:900;text-align:center;
    color:var(--cyan);letter-spacing:1px;text-shadow:0 0 14px rgba(34,230,255,.7)}
  .comms{display:flex;align-items:center;gap:12px;text-align:left;width:min(410px,94%)}
  .portrait{flex:0 0 48px;height:48px;border-radius:50%;display:grid;place-items:center;font-size:25px;border:1px solid var(--yel);
    background:radial-gradient(circle at 40% 35%,#fff6cc,#ffc857 18%,#a445b2 50%,#101631 72%);box-shadow:0 0 20px rgba(255,225,77,.35)}
  .comms-copy{font-size:11px;line-height:1.6;color:#fff}.comms-copy b{display:block;color:var(--yel);font-size:9px;letter-spacing:3px}
  .btn.hero{border-color:var(--yel);color:#fff;background:linear-gradient(90deg,rgba(255,225,77,.14),rgba(34,230,255,.14));
    box-shadow:0 0 28px rgba(255,225,77,.32),0 0 52px rgba(34,230,255,.18);animation:heroPulse 1.8s ease-in-out infinite}
  @keyframes heroPulse{50%{transform:scale(1.035);box-shadow:0 0 36px rgba(255,225,77,.55),0 0 70px rgba(34,230,255,.28)}}
  .reward-rank{font-size:64px;line-height:.9;font-weight:1000;font-style:italic;color:var(--yel);text-shadow:0 0 12px #fff,0 0 32px var(--yel)}
  .reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;width:min(390px,94%)}
  .reward-cell{padding:10px 5px;border-radius:10px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1)}
  .reward-cell small{display:block;font-size:7px;letter-spacing:2px;opacity:.55}.reward-cell b{font-size:14px;color:#fff}
  .victory-quote{color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:1px;line-height:1.8}
  #finalCinematic{background:radial-gradient(circle at 50% 34%,rgba(255,225,77,.2),rgba(7,9,28,.9) 45%,#02030a 100%)}
  #finalCinematic .sunrise{position:absolute;inset:0;z-index:-1;background:
    radial-gradient(circle at 50% 39%,#fff 0 1%,#ffe14d 2%,rgba(255,102,92,.4) 7%,transparent 25%);animation:sunrise 5s ease-out both}
  @keyframes sunrise{from{opacity:0;transform:scale(.3)}to{opacity:1;transform:scale(1.35)}}
  .final-seal{font-size:10px;letter-spacing:5px;color:var(--yel);animation:fadeRise 1.2s .2s both}
  .final-head{font-size:clamp(30px,8vw,52px);font-weight:1000;line-height:1;color:#fff;text-shadow:0 0 18px #fff,0 0 50px var(--yel);animation:fadeRise 1.3s .7s both}
  .final-dialogue{max-width:410px;font-size:13px;line-height:2;color:#f5f0ff;animation:fadeRise 1.3s 1.35s both}
  #finalContinue{animation:fadeRise 1.1s 2.2s both,heroPulse 1.8s 3.3s ease-in-out infinite}
  #creditsScreen{overflow:hidden;background:radial-gradient(circle at 50% 85%,rgba(255,225,77,.13),transparent 32%),linear-gradient(#01020a,#090d25 70%,#1c1027)}
  #creditsScreen::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,#fff 0 1px,transparent 1.5px);background-size:47px 47px;opacity:.16;animation:creditsStars 12s linear infinite}
  .credits-viewport{position:absolute;inset:0;overflow:hidden;z-index:1}
  .credits-roll{position:absolute;left:10%;right:10%;top:0;text-align:center;animation:creditsRoll 26s linear both}
  .credits-logo{font-size:36px;font-weight:1000;letter-spacing:4px;color:#fff;text-shadow:0 0 24px var(--cyan);margin-bottom:36px}
  .credits-epilogue{font-size:13px;line-height:2.2;color:#eaf6ff;margin-bottom:68px}
  .credit-block{margin:0 0 38px}.credit-role{font-size:9px;letter-spacing:5px;color:var(--cyan);margin-bottom:9px}.credit-name{font-size:24px;font-weight:900;color:#fff;letter-spacing:3px;text-shadow:0 0 14px rgba(255,255,255,.25)}
  .credits-thanks{margin-top:78px;font-size:14px;line-height:2.1;color:var(--yel);letter-spacing:2px}.credits-end{font-size:42px;font-weight:1000;color:#fff;margin-top:60px;text-shadow:0 0 28px var(--yel)}
  #creditsSkip{position:absolute;z-index:3;bottom:24px;opacity:0;animation:creditsButton 1s 9s forwards}
  @keyframes creditsRoll{0%{transform:translateY(100vh)}100%{transform:translateY(-100%)}}
  @keyframes creditsStars{to{transform:translateY(-94px)}}
  @keyframes creditsButton{to{opacity:.82}}
  @keyframes fadeRise{from{opacity:0;transform:translateY(22px);filter:blur(8px)}to{opacity:1;transform:none;filter:none}}
  #stage.impact{animation:impact .42s cubic-bezier(.2,.8,.2,1)}
  #stage.pickup-impact{animation:pickupImpact .55s ease-out}
  @keyframes impact{0%,100%{filter:none}20%{filter:brightness(2.2) saturate(1.8)}42%{filter:brightness(.72) contrast(1.3)}70%{filter:brightness(1.3)}}
  @keyframes pickupImpact{0%,100%{filter:none}25%{filter:brightness(1.9) saturate(2);box-shadow:0 0 100px var(--grn)}55%{filter:hue-rotate(18deg) brightness(1.25)}}
  #clearScreen:not(.hidden){animation:clearReveal .75s ease-out both}
  @keyframes clearReveal{from{opacity:0;transform:scale(1.12);filter:brightness(3)}to{opacity:1;transform:none;filter:none}}
  .ai-lab-invite{width:min(390px,96%);padding:12px 14px;border:1px solid rgba(34,230,255,.4);border-radius:14px;
    background:linear-gradient(135deg,rgba(34,230,255,.1),rgba(185,139,255,.14));box-shadow:0 0 28px rgba(34,230,255,.1)}
  .ai-lab-invite b{display:block;color:#fff;font-size:12px;line-height:1.55;margin-bottom:3px}
  .ai-lab-invite p{font-size:9.5px;line-height:1.55;color:rgba(234,246,255,.72);margin:0 0 8px}
  .ai-lab-link{display:flex;align-items:center;justify-content:center;gap:8px;padding:9px 12px;border-radius:999px;
    color:#06161c;text-decoration:none;font-size:11px;font-weight:1000;letter-spacing:.08em;
    background:linear-gradient(100deg,var(--yel),var(--cyan) 58%,var(--pur));background-size:200% 100%;
    box-shadow:0 0 20px rgba(34,230,255,.28);animation:aiLinkFlow 4s linear infinite,heroPulse 1.8s ease-in-out infinite}
  @keyframes aiLinkFlow{to{background-position:-200% 0}}
  @media(max-height:760px){.ai-lab-invite{padding:8px 10px}.ai-lab-invite p{display:none}.ai-lab-link{padding:7px 10px}}
  @media(prefers-reduced-motion:reduce){.ai-lab-link{animation:none}}
  @media(max-height:760px){.overlay{gap:10px;padding:14px}.story-card{padding:13px}.story-line{font-size:11px;line-height:1.6}.story-page{min-height:145px}.keys{display:none}.reward-rank{font-size:48px}}
.mini-btn{min-height:40px;padding:8px 14px;border:1px solid rgba(255,210,77,.6);border-radius:8px;background:#25130d;color:#ffe14d;font-weight:800;cursor:pointer}.records-content{width:min(680px,90vw);max-height:58vh;overflow:auto;text-align:left;padding:16px;border:1px solid rgba(255,210,77,.3);background:rgba(10,5,3,.92)}.record-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.record-summary span{padding:10px;border:1px solid rgba(255,255,255,.15);text-align:center}.boss-book{columns:2;padding-left:28px}.boss-book li{padding:5px}.boss-book .locked{opacity:.55}@media(max-width:600px){.record-summary{grid-template-columns:1fr}.boss-book{columns:1}}