*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;
  user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;
  -webkit-touch-callout:none}
body{font-family:'Helvetica Neue',Arial,sans-serif;background:#000;color:#fff;overflow:hidden;touch-action:manipulation;display:flex;justify-content:center;align-items:stretch}
#app{position:relative;width:100%;max-width:504px;height:100vh;background:#0a0a1a;overflow:hidden}
canvas{display:block}
.ov{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;z-index:100}
#title{background:url('TOP.png?v=2') center/cover no-repeat,#0a0a1a;justify-content:flex-end;padding-bottom:0;overflow-y:auto}
.title-info{font-size:.7rem;color:rgba(255,255,255,.85);margin-bottom:.15rem;text-shadow:0 0 8px rgba(0,0,0,1),0 0 20px rgba(0,0,0,.8),0 2px 4px rgba(0,0,0,.9);font-weight:600;letter-spacing:.03em}
.title-info .ms-icon{font-size:.9rem}
.btn{padding:.7rem 2.4rem;font-size:1rem;font-weight:800;border:2px solid rgba(255,215,0,.4);border-radius:50px;cursor:pointer;transition:transform .1s,box-shadow .2s;
 background:linear-gradient(180deg,#FFD700 0%,#FF8C00 40%,#FF6B35 100%);color:#1a0a00;letter-spacing:.08em;
 box-shadow:0 0 15px rgba(255,215,0,.4),0 4px 20px rgba(255,107,53,.3),inset 0 1px 0 rgba(255,255,255,.3);margin:.2rem;min-width:140px;text-align:center;
 text-shadow:0 1px 0 rgba(255,255,255,.3)}
.btn:active{transform:scale(.93);box-shadow:0 0 8px rgba(255,215,0,.3)}
.btn-s{background:linear-gradient(180deg,rgba(80,80,100,.9),rgba(40,40,60,.9));color:#ccc;border:2px solid rgba(255,255,255,.15);
 box-shadow:0 0 10px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.1);font-size:.85rem;padding:.55rem 1.6rem;text-shadow:none}
.btn-danger{background:linear-gradient(135deg,#666,#444);color:#EF4444;box-shadow:none;font-size:.7rem;padding:.5rem 1.2rem;min-width:auto;border:1px solid rgba(239,68,68,.3)}
.btn-row{display:flex;gap:.4rem;flex-wrap:wrap;justify-content:center}
.title-bottom{display:flex;flex-direction:column;align-items:center;gap:.15rem;
 background:linear-gradient(to top,rgba(0,0,0,.9) 0%,rgba(0,0,0,.7) 50%,transparent 100%);
 padding:1.5rem 1rem .6rem;width:100vw}
.title-stats{display:flex;align-items:center;gap:.5rem;margin-bottom:.15rem}
.title-sep{color:rgba(255,255,255,.2);font-size:.7rem}
#hud{position:absolute;top:0;left:0;right:0;padding:.5rem 1rem;display:none;justify-content:space-between;align-items:center;font-weight:700;z-index:50;background:linear-gradient(to bottom,rgba(10,10,26,.95),transparent)}
.bc{color:#FFD700;font-size:.8rem}.sc{color:#fff;font-size:1.3rem;letter-spacing:.05em}.cb{color:#FF6B35;font-size:.7rem;margin-top:1px}.tp{color:#aaa;font-size:.65rem}
/* challenge banner */
.ch-banner{position:absolute;top:42px;left:0;right:0;text-align:center;z-index:48;padding:3px 8px;font-size:.6rem;font-weight:700;pointer-events:none;transition:opacity .3s}
.ch-banner .ch-icon{font-size:.85rem;margin-right:3px}
.ch-banner .ch-name{color:#FFD700}
.ch-banner .ch-desc{color:rgba(255,255,255,.5);margin-left:4px}
/* event announce */
.ev-announce{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:60;text-align:center;pointer-events:none;animation:evIn .5s ease-out}
.ev-announce .ev-icon{font-size:3rem;display:block}
.ev-announce .ev-name{font-size:1.1rem;font-weight:900;margin-top:4px}
.ev-announce .ev-desc{font-size:.7rem;opacity:.7;margin-top:2px}
@keyframes evIn{0%{transform:translate(-50%,-50%) scale(2);opacity:0}50%{transform:translate(-50%,-50%) scale(1.1);opacity:1}100%{transform:translate(-50%,-50%) scale(1);opacity:1}}
/* achievement */
#achieve{background:rgba(10,10,26,.98);padding:0;flex-direction:column}
.ach-node{display:flex;align-items:center;border-radius:12px;padding:.55rem .6rem;margin-bottom:.4rem;gap:.5rem;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06)}
.ach-node.unlocked{background:rgba(255,215,0,.06);border-color:rgba(255,215,0,.2)}
.ach-icon{font-size:1.3rem;width:36px;text-align:center;flex-shrink:0}
.ach-icon.locked{filter:grayscale(1);opacity:.3}
.ach-info{flex:1;min-width:0}
.ach-name{font-size:.78rem;font-weight:700}
.ach-desc{font-size:.58rem;color:#999;margin-top:1px}
.ach-check{font-size:.9rem;flex-shrink:0}
/* milestone badge */
.ms-badge{font-size:.65rem;font-weight:700;display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:10px;border:1px solid;margin-top:2px}
/* sound toggle */
.snd-btn{position:absolute;bottom:1rem;right:1rem;z-index:55;width:36px;height:36px;border-radius:50%;border:none;background:rgba(255,255,255,.15);color:#fff;font-size:1.1rem;cursor:pointer;display:none;align-items:center;justify-content:center}
.snd-btn:active{transform:scale(.9)}
/* sound settings */
#sound-settings{background:rgba(0,0,0,.85);z-index:200}
.ss-box{background:#1a1a2e;border-radius:16px;padding:1.5rem;max-width:300px;width:85%}
.ss-box h3{font-size:1rem;color:#FFD700;margin-bottom:1rem;text-align:center;letter-spacing:.1em}
.ss-row{margin-bottom:1rem}
.ss-label{font-size:.75rem;color:#ccc;margin-bottom:.4rem;display:flex;justify-content:space-between;align-items:center}
.ss-val{color:#FFD700;font-weight:700}
.ss-slider{-webkit-appearance:none;width:100%;height:6px;border-radius:3px;background:#333;outline:none}
.ss-slider::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,#FFD700,#FF8C00);cursor:pointer;border:2px solid rgba(255,255,255,.3)}
.ss-slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,#FFD700,#FF8C00);cursor:pointer;border:2px solid rgba(255,255,255,.3)}
#result{background:rgba(10,10,26,.97)}
#result h2{font-size:1rem;color:#777;margin-bottom:.2rem;letter-spacing:.15em}
.fs{font-size:3.8rem;font-weight:900;line-height:1.1;margin-bottom:.15rem;background:linear-gradient(135deg,#FFD700,#FF6B35);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.r-sub{color:#aaa;font-size:.8rem;margin-bottom:.1rem;text-align:center;line-height:1.6}
.r-total-label{color:#777;font-size:.7rem;letter-spacing:.15em;margin-top:.3rem}
.nb{color:#FFD700;font-size:.95rem;font-weight:700;margin-bottom:.6rem}
.sd{color:#999;font-size:.75rem;margin-bottom:.8rem;text-align:center;line-height:1.7;white-space:pre-line}
.r-ach-notify{text-align:center;margin-bottom:.5rem}
.r-ach-item{font-size:.7rem;font-weight:700;color:#FFD700;padding:.3rem .6rem;background:rgba(255,215,0,.08);border:1px solid rgba(255,215,0,.3);border-radius:8px;margin-bottom:.3rem;animation:achPop .5s ease-out}
@keyframes achPop{0%{transform:scale(0.5);opacity:0}100%{transform:scale(1);opacity:1}}
#tree{background:rgba(10,10,26,.98);padding:0;flex-direction:column}
.tr-header{padding:1rem 1rem .3rem;text-align:center;flex-shrink:0}
.tr-header h2{font-size:1.3rem;font-weight:900;letter-spacing:.1em;background:linear-gradient(135deg,#FFD700,#FF6B35);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.tr-pts{color:#FFD700;font-size:.85rem;font-weight:700;margin-top:.2rem}
.tr-tabs{display:flex;gap:.3rem;padding:.4rem .6rem;flex-shrink:0;justify-content:center;flex-wrap:wrap}
.tr-tab{padding:.35rem .7rem;font-size:.65rem;font-weight:700;border:2px solid rgba(255,255,255,.15);border-radius:20px;background:transparent;color:#aaa;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:all .15s}
.tr-tab.active{color:#fff}
.tr-list{flex:1;overflow-y:auto;padding:.4rem .8rem .8rem;-webkit-overflow-scrolling:touch}
.tr-node{display:flex;align-items:center;border-radius:12px;padding:.65rem .7rem;margin-bottom:.5rem;gap:.6rem;border:2px solid transparent;transition:border-color .2s}
.tr-node.locked{opacity:.4}
.tr-node.maxed{border-color:rgba(255,215,0,.3)}
.tr-icon{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;border:2px solid rgba(255,255,255,.2)}
.tr-info{flex:1;min-width:0}
.tr-name{font-size:.82rem;font-weight:700;display:flex;align-items:center;gap:.4rem;flex-wrap:wrap}
.tr-lv{font-size:.55rem;font-weight:600;padding:.1rem .35rem;border-radius:8px;background:rgba(255,255,255,.1)}
.tr-desc{font-size:.6rem;color:#999;margin-top:2px}
.tr-cost{font-size:.55rem;color:#aaa;margin-top:2px}
.tr-btn{padding:.35rem .8rem;font-size:.72rem;font-weight:700;border:none;border-radius:20px;cursor:pointer;min-width:68px;text-align:center;flex-shrink:0;transition:all .15s}
.tr-btn.unlock{background:linear-gradient(135deg,#FFD700,#FF6B35);color:#1a1a0a}
.tr-btn.unlock:active{transform:scale(.93)}
.tr-btn:disabled{background:#333;color:#555;cursor:default}
.tr-btn.maxed{background:rgba(255,215,0,.15);color:#FFD700;cursor:default}
.tr-conn{width:2px;height:18px;margin:0 auto -5px;border-radius:1px}
.tr-foot{flex-shrink:0;padding:.2rem .8rem .8rem;display:flex;gap:.4rem;justify-content:center;align-items:center}
.tr-toggle{display:flex;align-items:center;gap:.4rem;margin-top:3px}
.tr-toggle-label{font-size:.55rem;color:#aaa}
.tr-sw{position:relative;width:36px;height:20px;flex-shrink:0}
.tr-sw input{opacity:0;width:0;height:0}
.tr-sw .sl{position:absolute;inset:0;background:#333;border-radius:10px;cursor:pointer;transition:background .2s}
.tr-sw .sl::before{content:'';position:absolute;width:16px;height:16px;left:2px;bottom:2px;background:#888;border-radius:50%;transition:transform .2s,background .2s}
.tr-sw input:checked+.sl{background:rgba(255,215,0,.3)}
.tr-sw input:checked+.sl::before{transform:translateX(16px);background:#FFD700}
#status{background:rgba(10,10,26,.98);padding:0;flex-direction:column}
.stat-section{margin-bottom:.6rem}
.stat-section-title{font-size:.7rem;font-weight:700;color:#FFD700;margin-bottom:.3rem;padding-left:.2rem;letter-spacing:.05em}
.stat-row{display:flex;justify-content:space-between;align-items:center;padding:.35rem .5rem;border-radius:8px;margin-bottom:.2rem;background:rgba(255,255,255,.03)}
.stat-label{font-size:.7rem;color:#aaa;display:flex;align-items:center;gap:.3rem}
.stat-value{font-size:.78rem;font-weight:700;color:#fff}
/* story */
#story{background:#000;z-index:150;flex-direction:column;padding:0}
#story .st-bg{position:absolute;inset:0;background:center/cover no-repeat;opacity:.6}
#story .st-chara{position:absolute;top:50%;left:50%;transform:translate(-50%,-55%);height:40%;object-fit:contain;filter:drop-shadow(0 0 30px rgba(255,50,0,.5))}
#story .st-bottom{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,rgba(0,0,0,.95) 60%,transparent);padding:2.5rem 1.5rem 1.5rem;text-align:center}
#story .st-text{font-size:.8rem;line-height:2;color:rgba(255,255,255,.9);letter-spacing:.05em;font-weight:500}
#story .st-text em{font-style:normal;color:#FFD700;font-weight:800}
#story .st-skip{margin-top:1rem;font-size:.7rem;color:rgba(255,255,255,.4);cursor:pointer;animation:stBlink 2s infinite}
@keyframes stBlink{0%,100%{opacity:.4}50%{opacity:.8}}
/* ending */
#ending{background:#000;z-index:160;flex-direction:column;padding:0;display:none}
#ending .end-bg{position:absolute;inset:0;background:center/cover no-repeat;opacity:0;transition:opacity 2s}
#ending .end-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;padding:1.5rem;text-align:center;overflow-y:auto}
#ending .end-text{font-size:.75rem;line-height:2.2;color:rgba(255,255,255,0);letter-spacing:.05em;font-weight:500;max-width:360px;transition:color 3s}
#ending .end-text.show{color:rgba(255,255,255,.9)}
#ending .end-text em{font-style:normal;color:#FFD700;font-weight:800}
#ending .end-title{font-size:1.6rem;font-weight:900;color:#FFD700;margin-top:1.5rem;opacity:0;transition:opacity 2s;letter-spacing:.15em;text-shadow:0 0 30px rgba(255,215,0,.5)}
#ending .end-title.show{opacity:1}
#ending .end-skip{margin-top:1.5rem;font-size:.7rem;color:rgba(255,255,255,.3);cursor:pointer;opacity:0;transition:opacity 1s}
#ending .end-skip.show{opacity:1;animation:stBlink 2s infinite}
.ach-node.clickable{cursor:pointer;border-color:rgba(255,215,0,.5);animation:achGlow 2s infinite}
@keyframes achGlow{0%,100%{box-shadow:0 0 8px rgba(255,215,0,.2)}50%{box-shadow:0 0 20px rgba(255,215,0,.5)}}
/* ball list */
#balllist{z-index:100}
.bl-card{display:flex;align-items:center;gap:.7rem;background:rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:.6rem .7rem;margin-bottom:.5rem}
.bl-img{width:48px;height:48px;object-fit:contain;flex-shrink:0;filter:drop-shadow(0 0 8px rgba(255,255,255,.3))}
.bl-info{flex:1;min-width:0}
.bl-name{font-size:.8rem;font-weight:700;margin-bottom:2px}
.bl-desc{font-size:.6rem;color:#eee;line-height:1.6}
/* quit button */
.quit-btn{position:absolute;left:.6rem;bottom:.6rem;width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.2);background:rgba(0,0,0,.5);color:rgba(255,255,255,.5);font-size:.8rem;cursor:pointer;z-index:51;display:flex;align-items:center;justify-content:center;padding:0}
.quit-btn:active{transform:scale(.9);background:rgba(255,0,0,.3)}
/* profile card */
#profile{background:rgba(10,10,26,.98);padding:0;flex-direction:column;z-index:100}
.pf-sub{color:#aaa;font-size:.65rem;letter-spacing:.1em;margin-top:.15rem}
.pf-body{flex:1;overflow-y:auto;padding:.4rem .8rem .8rem;display:flex;flex-direction:column;align-items:center;-webkit-overflow-scrolling:touch}
.pf-name-row{width:100%;max-width:320px;margin-bottom:.5rem}
.pf-label{font-size:.6rem;color:#999;letter-spacing:.1em;display:block;margin-bottom:.2rem}
.pf-input{width:100%;padding:.5rem .7rem;font-size:.9rem;font-weight:700;color:#FFD700;background:rgba(255,255,255,.06);border:2px solid rgba(255,215,0,.25);border-radius:10px;outline:none;text-align:center;letter-spacing:.05em;font-family:inherit}
.pf-input:focus{border-color:rgba(255,215,0,.6);box-shadow:0 0 12px rgba(255,215,0,.15)}
.pf-input::placeholder{color:rgba(255,255,255,.2);font-weight:400}
.pf-hint{font-size:.6rem;color:rgba(255,255,255,.35);margin-top:.3rem;letter-spacing:.05em}
#pf-canvas{width:100%;max-width:340px;border-radius:12px;box-shadow:0 4px 30px rgba(0,0,0,.6),0 0 60px rgba(255,215,0,.05);margin-top:.3rem;aspect-ratio:9/16}
#confirm{background:rgba(0,0,0,.85);z-index:200}
#confirm .cf-box{background:#1a1a2e;border-radius:16px;padding:1.5rem;max-width:300px;text-align:center}
#confirm .cf-box h3{font-size:1rem;color:#EF4444;margin-bottom:.6rem}
#confirm .cf-box p{font-size:.75rem;color:#aaa;margin-bottom:1rem;line-height:1.5}