:root{--ink:#23304a;--paper:#fdf6ec;--gold:#ffce5c;--gold-deep:#d6a32f;
    --hp:#ff6f61;--hp-bg:#2c3a52;--xp:#6fd0c8;--xp-bg:#243044;--mp:#7aa6ff;--mp-bg:#22304a;
    --panel:rgba(28,38,58,.96);--ally:#7fd96b;--coin:#ffd34d;--soul:#c9a0ff;}
  *{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
  html,body{height:100%;overflow:hidden;background:#101826;}
  body{font-family:"Hiragino Maru Gothic ProN","Hiragino Sans","Yu Gothic",system-ui,sans-serif;
    color:var(--paper);user-select:none;-webkit-user-select:none;touch-action:none;}
  /* ゲーム本体は中央の固定幅カラム(#stage)に収める＝ウィンドウ幅で難易度が変わらない（レターボックス） */
  #stage{position:fixed;top:0;left:50%;transform:translateX(-50%);width:min(100vw,600px);height:100%;overflow:hidden;box-shadow:0 0 40px rgba(0,0,0,.5);}
  #game{display:block;width:100%;height:100%;}
  #verLabel{position:fixed;right:8px;bottom:6px;z-index:11;font-size:10px;color:rgba(255,255,255,.4);pointer-events:none;text-shadow:0 1px 2px rgba(0,0,0,.6);letter-spacing:.5px;}
  .overlay{position:fixed;inset:0;display:none;align-items:center;justify-content:center;flex-direction:column;
    padding:18px;text-align:center;z-index:10;
    background:radial-gradient(circle at 50% 35%, rgba(90,127,181,.5), rgba(16,24,38,.96));backdrop-filter:blur(3px);}
  .overlay.show{display:flex;}
  .card{width:min(460px,94vw);max-height:90vh;overflow-y:auto;background:var(--panel);
    border:2px solid var(--gold-deep);border-radius:22px;padding:6px 16px 22px;box-shadow:0 18px 50px rgba(0,0,0,.5);}
  h1{font-size:27px;line-height:1.25;color:var(--gold);margin-bottom:6px;text-shadow:0 2px 0 rgba(0,0,0,.25);}
  .sub{font-size:14px;color:#cfe0f0;margin-bottom:16px;line-height:1.6;}
  .howto{background:rgba(255,255,255,.06);border-radius:14px;padding:14px 16px;margin:14px 0 16px;
    font-size:14px;line-height:1.9;text-align:left;} .howto b{color:var(--gold);}
  .btn{display:block;width:100%;font-family:inherit;font-size:18px;font-weight:700;color:var(--ink);
    background:linear-gradient(180deg,#ffe49a,var(--gold));border:none;border-radius:14px;padding:15px;cursor:pointer;
    box-shadow:0 5px 0 var(--gold-deep);transition:transform .05s,box-shadow .05s;margin-top:8px;}
  .btn:active{transform:translateY(4px);box-shadow:0 1px 0 var(--gold-deep);}
  a.btn{text-decoration:none;text-align:center;box-sizing:border-box;}
  .btn.sec{background:rgba(255,255,255,.1);color:var(--paper);box-shadow:none;border:1.5px solid rgba(255,255,255,.25);font-size:15px;padding:12px;}
  /* コレクション：ヘッダー固定・本体スクロール・もどる下固定／ジャンルタブ */
  #collectionCard,#invCard{display:flex;flex-direction:column;padding:0;overflow:hidden;}
  #collectionCard .col-head,#invCard .col-head{padding:12px 16px 8px;flex:0 0 auto;}
  #collectionCard .col-body,#invCard .col-body{flex:1 1 auto;overflow-y:auto;padding:6px 16px 8px;}
  #collectionCard .coll-foot,#invCard .coll-foot{flex:0 0 auto;padding:10px 16px 14px;border-top:1px solid rgba(255,255,255,.12);background:var(--panel);}
  .col-tabs{display:flex;gap:6px;margin-top:10px;}
  .col-tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:1px;line-height:1.2;padding:7px 2px;border-radius:11px;border:none;
    font-family:inherit;font-weight:700;font-size:12.5px;cursor:pointer;background:rgba(255,255,255,.07);color:#cfe0f0;transition:background .1s;}
  .col-tab.on{background:linear-gradient(180deg,#ffe49a,var(--gold));color:#1a2236;}
  .col-cnt{font-size:10px;opacity:.75;font-weight:600;}
  .choices{display:flex;flex-direction:column;gap:10px;margin-top:6px;}
  /* レベルアップ直後0.45秒は選択不可（連打での誤爆ふせぎ） */
  .choices.locked .choice{pointer-events:none;opacity:.45;filter:grayscale(.4);}
  .choice{display:flex;width:100%;align-items:center;gap:13px;background:rgba(255,255,255,.06);
    border:2px solid rgba(255,206,92,.4);border-radius:15px;padding:12px 14px;cursor:pointer;text-align:left;
    transition:transform .05s,border-color .1s,background .1s;}
  .choice:active{transform:scale(.98);}
  .choice:hover{border-color:var(--gold);background:rgba(255,206,92,.1);}
  .choice.off{opacity:.4;cursor:not-allowed;}
  .choice .ic{font-size:30px;width:44px;text-align:center;flex:0 0 auto;}
  .choice .tx{flex:1;min-width:0;}
  .choice .nm{font-size:16px;font-weight:700;color:var(--paper);}
  .choice .ds{font-size:12.5px;color:#cfe0f0;line-height:1.4;margin-top:2px;}
  .choice .pr{font-size:14px;font-weight:700;color:var(--coin);flex:0 0 auto;white-space:nowrap;}
  .choice .pr.soul{color:var(--soul);}
  .choice .lv{font-size:11px;color:#8fa3bf;}
  .tag{font-size:11px;font-weight:700;padding:1px 7px;border-radius:6px;margin-right:6px;}
  .tag.w{background:rgba(255,206,92,.25);color:var(--gold);} .tag.a{background:rgba(127,217,107,.22);color:var(--ally);}
  .tag.s{background:rgba(122,166,255,.25);color:var(--mp);} .tag.ev{background:rgba(255,140,200,.25);color:#ff9ad6;}
  .tag.set{background:rgba(127,217,107,.3);color:#bff0b0;}
  .shop-h{font-size:13px;font-weight:700;color:var(--gold);text-align:left;margin:16px 2px 8px;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:4px;}
  .shop-sticky{position:sticky;top:0;z-index:4;background:var(--panel);padding:12px 0 8px;margin:0 0 4px;border-bottom:1px solid rgba(255,255,255,.1);}
  .shop-sticky h1{margin-bottom:2px;}
  .slots-row{display:flex;gap:8px;justify-content:center;margin:6px 0 4px;}
  .slot-mini{width:54px;height:54px;border-radius:13px;background:rgba(122,166,255,.12);border:2px dashed rgba(122,166,255,.5);
    display:flex;align-items:center;justify-content:center;font-size:26px;position:relative;}
  .slot-mini .x{position:absolute;top:-6px;right:-6px;font-size:13px;background:#ff6f61;border-radius:50%;width:20px;height:20px;line-height:20px;color:#fff;}
  .gold-big{font-size:17px;color:var(--coin);font-weight:700;}
  .chest-grid{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:4px 0 6px;}
  .chest-cell{display:flex;flex-direction:column;align-items:center;gap:4px;background:rgba(255,255,255,.05);border-radius:12px;padding:8px 6px;width:84px;}
  .chest-ico{width:50px;height:42px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:26px;border:2px solid #888;}
  .chest-cnt{font-size:13px;font-weight:700;}
  .mini-btn{font-family:inherit;font-size:11px;font-weight:700;border:none;border-radius:7px;padding:4px 0;width:100%;cursor:pointer;color:#1a2236;}
  .mini-btn.open{background:linear-gradient(180deg,#ffe49a,var(--gold));}
  .mini-btn.fuse{background:linear-gradient(180deg,#d6c4ff,#a87fff);color:#fff;}
  .mini-btn:disabled{opacity:.35;cursor:not-allowed;}

  #hud{position:fixed;top:0;left:0;right:0;z-index:5;padding:10px 12px;pointer-events:none;display:none;}
  /* 右上のポーズボタン(40px)用に全バーへ右ガター。3本のバー右端がそろい、ボタンと重ならない */
  .bar-wrap{margin-bottom:5px;padding-right:52px;}
  .bar-label{font-size:11px;color:#e8eef7;margin-bottom:2px;text-shadow:0 1px 2px rgba(0,0,0,.6);display:flex;justify-content:space-between;}
  .bar{height:11px;border-radius:6px;overflow:hidden;background:var(--hp-bg);border:1px solid rgba(0,0,0,.3);}
  .bar .fill{height:100%;transition:width .12s linear;}
  #hpFill{background:linear-gradient(90deg,#ff9b8e,var(--hp));}
  #mpBar{background:var(--mp-bg);} #mpFill{background:linear-gradient(90deg,#a8c4ff,var(--mp));}
  #xpBar{background:var(--xp-bg);height:8px;} #xpFill{background:linear-gradient(90deg,#9be8da,var(--xp));}
  #topInfo{display:flex;justify-content:space-between;align-items:center;margin-top:6px;font-size:13px;text-shadow:0 1px 3px rgba(0,0,0,.7);}
  #topInfo .pill{background:rgba(28,38,58,.6);border-radius:10px;padding:3px 10px;}
  #timer{font-size:20px;font-weight:700;color:var(--gold);} #gold{color:var(--coin);font-weight:700;}
  /* HUDバッジ3行：仲間／ウェポン／強化。各行に色つきラベル */
  #allyBar,#weaponBar,#itemBar{display:none;flex-wrap:wrap;align-items:center;gap:5px;margin-top:5px;}
  #allyBar{margin-top:7px;}
  .bar-tag{flex:0 0 auto;font-size:10px;font-weight:700;line-height:1;padding:3px 7px;border-radius:7px;background:rgba(0,0,0,.32);text-shadow:0 1px 2px rgba(0,0,0,.6);}
  .bar-tag.a{color:var(--ally);} .bar-tag.w{color:var(--gold);} .bar-tag.s{color:var(--mp);}
  .ally-chip{display:inline-flex;align-items:center;gap:2px;background:rgba(28,38,58,.66);border:1px solid rgba(127,217,107,.4);
    border-radius:9px;padding:2px 7px;font-size:15px;text-shadow:0 1px 2px rgba(0,0,0,.6);}
  .ally-chip b{font-size:11px;color:var(--ally);} .ally-chip.ev{border-color:#ff9ad6;} .ally-chip.ev b{color:#ff9ad6;}
  .item-chip{display:inline-flex;align-items:center;gap:2px;background:rgba(28,38,58,.66);border:1px solid rgba(255,206,92,.45);
    border-radius:9px;padding:2px 7px;font-size:15px;text-shadow:0 1px 2px rgba(0,0,0,.6);}
  .item-chip b{font-size:11px;color:var(--gold);}
  .item-chip.up{border-color:rgba(122,166,255,.5);} .item-chip.up b{color:var(--mp);}

  #bossBar{margin-top:8px;width:100%;max-width:440px;display:none;pointer-events:none;text-align:center;}
  #bossName{font-size:13px;font-weight:700;color:#ff9ad6;text-shadow:0 1px 3px #000;margin-bottom:2px;}
  #bossBar .bb{height:13px;border-radius:7px;background:#3a1a2a;border:1px solid #000;overflow:hidden;}
  #bossFill{height:100%;background:linear-gradient(90deg,#ff7b9e,#e8456b);transition:width .1s linear;}

  #pauseBtn{position:fixed;top:9px;right:10px;z-index:7;width:40px;height:40px;border-radius:12px;background:rgba(28,38,58,.78);
    border:1.5px solid rgba(255,255,255,.25);color:var(--paper);font-size:17px;cursor:pointer;display:none;align-items:center;justify-content:center;}
  #pauseBtn.show{display:flex;}
  #audioQuick{position:fixed;top:56px;right:10px;z-index:12;display:none;flex-direction:column;gap:5px;}
  #audioQuick.show{display:flex;}
  #audioQuick button{width:40px;height:36px;border-radius:10px;background:rgba(28,38,58,.78);border:1.5px solid rgba(255,255,255,.18);color:var(--paper);font-size:14px;cursor:pointer;opacity:.75;transition:opacity .1s;}
  #audioQuick button.off{opacity:.35;filter:grayscale(.7);}
  #audioQuick button:active{opacity:1;}
  #spellBar{position:fixed;left:50%;bottom:14px;transform:translateX(-50%);z-index:6;display:none;gap:12px;}
  .slot-btn{width:62px;height:62px;border-radius:16px;background:rgba(28,38,58,.78);border:2px solid rgba(122,166,255,.55);
    display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:26px;cursor:pointer;position:relative;color:#fff;}
  .slot-btn .cost{position:absolute;bottom:2px;font-size:9px;color:#a8c4ff;}
  .slot-btn .cd{position:absolute;inset:0;border-radius:14px;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;}
  .slot-btn.empty{border-style:dashed;opacity:.5;font-size:22px;} .slot-btn.dim{opacity:.42;}
  .slot-btn .key{position:absolute;top:-7px;left:-7px;font-size:10px;background:#7aa6ff;color:#13203a;border-radius:6px;padding:0 5px;font-weight:700;}
  .stat-line{font-size:13px;color:#cfe0f0;line-height:1.9;margin-top:4px;} .stat-line b{color:var(--gold);}
  #tapHint{position:fixed;left:50%;bottom:24%;transform:translateX(-50%);z-index:5;display:none;font-size:14px;color:rgba(253,246,236,.9);
    background:rgba(28,38,58,.6);padding:6px 16px;border-radius:20px;animation:bob 1.2s ease-in-out infinite;}
  @keyframes bob{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-6px)}}
  #townToast,#chestToast{position:fixed;left:50%;top:14%;transform:translateX(-50%);z-index:6;display:none;font-size:15px;color:#fff;
    background:rgba(214,163,47,.92);padding:7px 18px;border-radius:20px;font-weight:700;text-align:center;}
  #chestToast{background:rgba(150,90,220,.92);}

  #rainbow{position:fixed;inset:0;z-index:9;pointer-events:none;opacity:0;mix-blend-mode:screen;
    background:linear-gradient(120deg,#ff0040,#ff8a00,#ffe600,#36ff5e,#00e0ff,#3b6bff,#c64bff,#ff0040);background-size:300% 300%;transition:opacity .25s;}
  #rainbow.on{opacity:.55;animation:rbhue 0.9s linear infinite, rbmove 1.6s linear infinite;}
  @keyframes rbhue{to{filter:hue-rotate(360deg);}} @keyframes rbmove{to{background-position:300% 0;}}
  /* レベルアップ演出：やわらかい金の輝き＋バナー＋星＋光の輪（HSP配慮：強い点滅なし・1回きり・なめらか） */
  #lvlFx,#evoFx{position:fixed;inset:0;z-index:13;pointer-events:none;display:none;overflow:hidden;}
  #lvlFx.show,#evoFx.show{display:block;}
  #lvlFx.show::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 42%,rgba(255,206,92,.30),rgba(255,206,92,0) 62%);animation:lvlGlow .95s ease-out forwards;}
  @keyframes lvlGlow{0%{opacity:0}30%{opacity:1}100%{opacity:0}}
  #lvlBanner{position:absolute;left:0;right:0;top:30%;text-align:center;font-weight:900;font-size:34px;letter-spacing:1px;color:#fff;text-shadow:0 2px 0 #b6791e,0 0 18px rgba(255,206,92,.9);animation:lvlPop .95s cubic-bezier(.2,1.4,.35,1) forwards;}
  #lvlBanner .sp{font-size:26px;}
  @keyframes lvlPop{0%{transform:scale(.55);opacity:0}22%{opacity:1}38%{transform:scale(1.12)}55%{transform:scale(1)}82%{opacity:1}100%{opacity:0;transform:scale(1)}}
  #lvlRing{position:absolute;left:50%;top:42%;width:46px;height:46px;margin:-23px 0 0 -23px;border:3px solid rgba(255,206,92,.85);border-radius:50%;animation:lvlRingA .85s ease-out forwards;}
  @keyframes lvlRingA{0%{transform:scale(.3);opacity:.85}100%{transform:scale(6.5);opacity:0}}
  .lvlStar{position:absolute;font-size:18px;will-change:transform,opacity;animation:lvlStarA 1s ease-out forwards;}
  @keyframes lvlStarA{0%{transform:translateY(8px) scale(.4);opacity:0}28%{opacity:1}100%{transform:translateY(-72px) scale(1);opacity:0}}
  /* 進化（合体）：光の柱＋金の輝き（本人が合体したときのみ＝レインボー演出と同じ扱い） */
  #evoFx .beam{position:absolute;left:50%;top:0;bottom:0;width:90px;margin-left:-45px;
    background:linear-gradient(to bottom,rgba(255,255,255,0),rgba(255,240,180,.85),rgba(255,206,92,.5),rgba(255,255,255,0));
    filter:blur(2px);transform-origin:50% 50%;animation:evoBeam 1.15s ease-out forwards;}
  @keyframes evoBeam{0%{transform:scaleY(.2) scaleX(.4);opacity:0}25%{opacity:1;transform:scaleY(1) scaleX(1)}70%{opacity:.9}100%{opacity:0;transform:scaleX(1.6)}}
  #openIcon{font-size:90px;line-height:1;margin:6px 0;}
  #openIcon.shake{animation:shk .12s linear infinite;} @keyframes shk{0%{transform:translate(-3px,0) rotate(-4deg)}50%{transform:translate(3px,-2px) rotate(4deg)}100%{transform:translate(-3px,0)}}
  #openIcon.pop{animation:pop .4s ease-out;} @keyframes pop{0%{transform:scale(.5)}60%{transform:scale(1.4)}100%{transform:scale(1)}}