/* ============ 疾風タイピング【極限】 スタイルシート ============ */
:root{
  --bg0:#04050c; --bg1:#0a0e22;
  --neon:#4ff5ff; --neon2:#ff3ec8; --gold:#ffd24a; --red:#ff3355;
  --ok:#7dffb2;
  --fontjp:'Noto Sans JP',"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  --fontmono:'M PLUS 1 Code','Consolas','Menlo',monospace;
  --fontdot:'DotGothic16',var(--fontjp);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  background:var(--bg0); color:#eaf2ff; font-family:var(--fontjp);
  overflow:hidden; user-select:none; -webkit-user-select:none;
}
#app{position:fixed;inset:0;overflow:hidden}
canvas#bgCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:0}
canvas#fxCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:60;pointer-events:none}

/* -------- フラッシュ/ビネット/走査線 -------- */
#flashWhite,#flashDamage{position:absolute;inset:0;pointer-events:none;opacity:0;z-index:70}
#flashWhite{background:radial-gradient(ellipse at center, rgba(255,255,255,.95), rgba(180,240,255,.5) 60%, transparent)}
#flashDamage{background:radial-gradient(ellipse at center, transparent 30%, rgba(255,30,60,.55))}
#flashWhite.on{animation:fFlash .45s ease-out}
#flashDamage.on{animation:dFlash .5s ease-out}
@keyframes fFlash{0%{opacity:1}100%{opacity:0}}
@keyframes dFlash{0%{opacity:1}55%{opacity:.85}100%{opacity:0}}

#vignette{position:absolute;inset:0;pointer-events:none;z-index:65;transition:box-shadow .25s;
  box-shadow:inset 0 0 18vmin rgba(0,10,40,.55)}
body.fever #vignette{box-shadow:inset 0 0 14vmin rgba(255,140,30,.35), inset 0 0 5vmin rgba(255,200,40,.25)}
body.lowtime #vignette{animation:vpulse 1s infinite}
@keyframes vpulse{0%,100%{box-shadow:inset 0 0 18vmin rgba(0,10,40,.55)}50%{box-shadow:inset 0 0 22vmin rgba(255,30,70,.5)}}

#scanlines{position:absolute;inset:0;pointer-events:none;z-index:66;opacity:.16;mix-blend-mode:overlay;
  background:repeating-linear-gradient(0deg, rgba(255,255,255,.35) 0 1px, transparent 1px 3px)}
#scanlines::after{content:'';position:absolute;inset:0;
  background:linear-gradient(transparent 45%, rgba(140,220,255,.10) 50%, transparent 55%);
  background-size:100% 220%;animation:scan 7s linear infinite;opacity:.6}
@keyframes scan{0%{background-position:0 -120%}100%{background-position:0 130%}}

/* -------- ステージ (JSでtransform: 揺れ/ズーム) -------- */
#stage{position:relative;z-index:10;height:100%;max-width:1060px;margin:0 auto;
  display:flex;flex-direction:column;padding:14px 20px;gap:10px;will-change:transform}

/* -------- HUD -------- */
#hud{display:flex;gap:10px;flex-wrap:wrap;align-items:center;font-family:var(--fontmono)}
.chip{display:flex;align-items:baseline;gap:8px;padding:8px 14px;border-radius:14px;
  background:linear-gradient(180deg, rgba(20,30,70,.55), rgba(10,15,40,.7));
  border:1px solid rgba(80,180,255,.35); backdrop-filter:blur(6px); box-shadow:0 0 14px rgba(60,150,255,.12);
}
.chip .lbl{font-size:11px;color:#8fb6ff;letter-spacing:.15em}
.chip .val{font-family:var(--fontdot);font-size:26px;color:#fff;text-shadow:0 0 10px var(--neon),0 0 26px rgba(80,245,255,.4);
  min-width:2ch;text-align:right;transition:transform .1s}
.chip .val.bump{transform:scale(1.35);color:var(--gold);text-shadow:0 0 14px var(--gold)}
.chip.danger .val{color:#ff5577;text-shadow:0 0 12px var(--red);animation:blinkRed .5s infinite}
@keyframes blinkRed{50%{opacity:.4}}
#chipCombo .val{color:var(--ok);text-shadow:0 0 10px var(--ok)}
#chipCombo.t1 .val{color:var(--gold);text-shadow:0 0 12px var(--gold)}
#chipCombo.t2 .val{color:#ff9def;text-shadow:0 0 14px var(--neon2)}
#chipCombo.t3 .val{color:#fff;text-shadow:0 0 16px #ff9a3d,0 0 40px var(--neon2)}
.chip .mult{font-size:13px;color:#0a0e22;background:linear-gradient(90deg,var(--gold),#fff2ae);
  padding:2px 8px;border-radius:20px;transition:transform .15s;font-weight:700}
.chip .mult.bump{transform:scale(1.4) rotate(-6deg)}
#chipFever{display:none;font-family:var(--fontdot);color:#ffe25c;letter-spacing:.3em;font-size:13px;
  border:1px solid rgba(255,220,80,.5);background:linear-gradient(90deg, rgba(255,60,150,.25), rgba(255,190,50,.25));
  animation:feverBlink .5s infinite alternate}
body.fever #chipFever{display:flex}
@keyframes feverBlink{from{filter:brightness(1)}to{filter:brightness(1.7)}}
.chip.small{padding:6px 10px}

/* -------- 出題フィールド -------- */
#playfield{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:0}
#catLabel{font-size:12px;letter-spacing:.35em;color:#7fa7ff;text-transform:uppercase;
  border-bottom:1px solid rgba(90,150,255,.3);padding:2px 12px}
#wordDisplay{position:relative;
  font-weight:900;font-size:clamp(38px,7.2vw,84px);line-height:1.1;text-align:center;
  background:linear-gradient(100deg,#fff 10%, #9fe6ff 40%, #fff 55%, #d6a7ff 85%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 18px rgba(90,200,255,.45)) drop-shadow(0 2px 2px rgba(0,0,0,.65));
  transform-style:preserve-3d}
body.fever #wordDisplay{background:linear-gradient(100deg,#fff 10%, #ffd24a 30%, #ff9a3d 50%, #ff3ec8 70%, #fff 90%);
  background-clip:text;-webkit-background-clip:text;filter:drop-shadow(0 0 22px rgba(255,170,60,.6))}
#wordDisplay span{display:inline-block;animation:wpin .3s backwards both}
@keyframes wpin{from{opacity:0;transform:translateY(18px) scale(.7);filter:blur(4px)}}
body.missWord #wordDisplay{animation:glitch .4s steps(2) 3, dodge .35s}
@keyframes glitch{0%{transform:translate(0)}25%{transform:translate(-4px,2px) skewX(-4deg)}50%{transform:translate(3px,-2px) skewX(3deg)}75%{transform:translate(-2px,1px)}100%{transform:none}}
#wordDisplay::before,#wordDisplay::after{content:attr(data-text);position:absolute;inset:0;opacity:0;pointer-events:none;clip-path:inset(0 0 0 0)}
body.missWord #wordDisplay::before{color:#f04;opacity:.85;animation:gch1 .4s steps(3) 3;background:none;-webkit-text-fill-color:#ff0040}
body.missWord #wordDisplay::after{color:#0ff;opacity:.85;animation:gch2 .4s steps(3) 3;background:none;-webkit-text-fill-color:#00fff2}
@keyframes gch1{0%{transform:translate(-5px,-3px);clip-path:inset(10% 0 60% 0)}50%{transform:translate(4px,2px);clip-path:inset(55% 0 5% 0)}100%{transform:none;clip-path:inset(0)}}
@keyframes gch2{0%{transform:translate(5px,3px);clip-path:inset(60% 0 8% 0)}50%{transform:translate(-4px,-2px);clip-path:inset(8% 0 58% 0)}100%{transform:none;clip-path:inset(0)}}

#kanaLine{font-family:var(--fontmono);font-size:clamp(16px,2.6vw,26px);letter-spacing:.12em;
  color:#7d95c9;min-height:1.5em;display:flex;flex-wrap:wrap;justify-content:center}
#kanaLine b{font-weight:700;color:#dff4ff;text-shadow:0 0 8px var(--neon);transition:color .12s}
#kanaLine b.cur{color:#fff;animation:kcur .28s infinite alternate}
#kanaLine b.done{color:#5fd8a8;text-shadow:0 0 10px rgba(95,216,168,.6)}
@keyframes kcur{from{text-shadow:0 0 4px var(--neon)}to{text-shadow:0 0 14px var(--neon),0 0 28px rgba(80,245,255,.5)}}

#typedLine{font-family:var(--fontmono);font-size:clamp(14px,2vw,20px);letter-spacing:.25em;color:#5b6f96;
  min-height:1.6em;border-radius:8px;transition:transform .06s;display:flex;align-items:center}
#typedLine span{color:#eafaff;text-shadow:0 0 6px rgba(120,255,235,.7)}
#typedLine span:last-child{color:var(--ok);text-shadow:0 0 10px var(--ok)}
body.missWord #typedLine{animation:dodge .3s}
#typedLine .caret{display:inline-block;width:10px;height:1.15em;background:var(--neon);
  box-shadow:0 0 8px var(--neon);animation:caret .7s steps(2) infinite;margin-left:4px}
@keyframes caret{50%{opacity:0}}
@keyframes dodge{25%{transform:translateX(-7px)}75%{transform:translateX(7px)}}

#chipsRow{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;min-height:1.8em}
.tchip{font-family:var(--fontmono);font-size:13px;padding:3px 10px;border-radius:20px;
  color:#9ff5ff;border:1px solid rgba(80,245,255,.4);background:rgba(20,60,80,.35);
  animation:tchipIn .18s backwards}
.tchip b{color:#fff}
.tchip.hot{border-color:var(--gold);color:#ffe08a}
@keyframes tchipIn{from{opacity:0;transform:translateY(6px)}}

/* -------- キーボード -------- */
#keysWrap{display:flex;flex-direction:column;align-items:center;gap:4px;opacity:.92}
#kb{display:flex;flex-direction:column;gap:4px}
.krow{display:flex;gap:4px;justify-content:center}
.key{font-family:var(--fontmono);font-size:11px;min-width:30px;height:34px;padding:0 5px;
  display:flex;align-items:center;justify-content:center;border-radius:6px;
  background:linear-gradient(180deg, rgba(35,50,100,.7), rgba(12,18,45,.8));
  border:1px solid rgba(100,160,255,.28);box-shadow:0 2px 0 rgba(0,0,0,.5), inset 0 0 8px rgba(80,150,255,.08);
  transition:transform .05s, background .05s, box-shadow .2s, border-color .2s, color .2s}
.key.wide{min-width:240px}
.key.next{color:#fff;border-color:rgba(255,220,90,.8);box-shadow:0 2px 0 rgba(0,0,0,.5), 0 0 12px rgba(255,210,80,.45)}
.key.pressed{transform:translateY(2px) scale(.94);
  background:linear-gradient(180deg, rgba(90,255,220,.5), rgba(30,120,140,.6));color:#fff;
  box-shadow:0 0 14px rgba(80,255,210,.7), 0 0 30px rgba(80,255,210,.35)}
.key.err{animation:keyErr .25s;background:linear-gradient(180deg, rgba(255,60,90,.6), rgba(120,10,40,.7))}
@keyframes keyErr{25%{transform:translate(2px,0)}75%{transform:translate(-2px,0)}}
.hint{font-size:10px;color:#5f78a8;letter-spacing:.08em}

/* -------- 下部操作 -------- */
#bottomBar{display:flex;gap:8px;align-items:center;justify-content:center;font-size:11px;color:#7f95bd}
#bottomBar .mini{cursor:pointer;font-family:var(--fontjp);font-size:11px;color:#bcd4ff;
  padding:5px 10px;border-radius:8px;background:rgba(25,35,80,.5);border:1px solid rgba(90,150,255,.3)}
#bottomBar .mini:hover{background:rgba(60,90,180,.6);color:#fff}

/* -------- オーバーレイ -------- */
.overlay{position:absolute;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;
  background:rgba(3,5,15,.72);backdrop-filter:blur(9px)}
.overlay.transparent{background:transparent;backdrop-filter:none;pointer-events:none}
.overlay.hidden{display:none}
.panel{position:relative;text-align:center;padding:34px 44px;border-radius:22px;
  background:linear-gradient(165deg, rgba(18,26,66,.85), rgba(8,10,28,.9));
  border:1px solid rgba(110,170,255,.35);box-shadow:0 0 45px rgba(60,140,255,.2), 0 0 90px rgba(0,60,160,.25)}
.titlePanel{max-width:660px}
.logoGlitch{position:relative;font-family:var(--fontdot);font-size:clamp(40px,7vw,66px);letter-spacing:.06em;
  background:linear-gradient(95deg,#4ff5ff 0%, #fff 25%, #ff3ec8 55%, #fff 75%, #4ff5ff 100%);
  background-size:250% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:hueSlide 5s linear infinite, logoFloat 3s ease-in-out infinite alternate;
  filter:drop-shadow(0 0 16px rgba(120,200,255,.5))}
@keyframes hueSlide{from{background-position:0 0}to{background-position:250% 0}}
@keyframes logoFloat{from{transform:translateY(0)}to{transform:translateY(-6px)}}
.logoGlitch::before,.logoGlitch::after{content:attr(data-text);position:absolute;inset:0;
  background:none;-webkit-text-fill-color:initial;color:var(--red);opacity:.12;clip-path:inset(0 0 65% 0);
  animation:lg1 2.8s steps(2) infinite}
.logoGlitch::after{color:var(--neon);clip-path:inset(70% 0 0 0);animation:lg2 3.4s steps(2) infinite}
@keyframes lg1{0%,92%{transform:none;opacity:0}94%{transform:translate(-4px,-2px);opacity:.6}100%{opacity:0}}
@keyframes lg2{0%,90%{transform:none;opacity:0}93%{transform:translate(4px,2px);opacity:.5}97%{transform:translate(-3px,1px)}100%{opacity:0}}
.logoSub{margin-top:6px;font-size:12px;letter-spacing:.2em;color:#8fb6ff}
.howPlay{margin:20px 0 6px;font-size:13px;color:#c6d9ff;line-height:1.9}
.howPlay .hot{color:var(--gold)}
.howPlay .note{font-size:11px;color:#7f95bd;font-family:var(--fontmono)}
.kanaNote{border:1px solid rgba(140,200,255,.4);border-radius:6px;padding:0 5px;font-size:11px}
.optRow{display:flex;align-items:center;justify-content:center;gap:12px;margin:10px 0}
.optLbl{font-size:12px;color:#8fb6ff;letter-spacing:.2em}
.optBtns{display:flex;gap:6px}
.optBtns button{cursor:pointer;font-family:var(--fontjp);font-size:12px;padding:6px 14px;border-radius:20px;
  color:#9db8e8;background:rgba(20,30,70,.6);border:1px solid rgba(100,160,255,.3)}
.optBtns button.on{color:#041228;font-weight:700;background:linear-gradient(90deg,var(--neon),#8fffe0);
  border-color:transparent;box-shadow:0 0 14px rgba(80,245,255,.5)}
#btnStart,#btnRetry,#btnResume,#btnTitle{cursor:pointer;margin-top:14px;font-family:var(--fontdot);
  font-size:22px;letter-spacing:.15em;padding:12px 46px;border-radius:40px;border:none;color:#041228;
  background:linear-gradient(90deg,var(--neon),#7dffb2,var(--gold));background-size:200%;
  animation:btnSlide 2.5s linear infinite;box-shadow:0 0 24px rgba(90,245,255,.5);transition:transform .12s}
#btnStart:hover,#btnRetry:hover{transform:scale(1.06)}
@keyframes btnSlide{to{background-position:200% 0}}
.foot{margin-top:12px;font-size:10px;color:#61789f}

#countNum{font-family:var(--fontdot);font-size:clamp(90px,18vw,170px);color:#fff;
  text-shadow:0 0 30px var(--neon),0 0 80px rgba(80,245,255,.5);animation:cnum .8s backwards}
@keyframes cnum{0%{transform:scale(2.4);opacity:0;filter:blur(8px)}30%{transform:scale(1);opacity:1;filter:blur(0)}80%{opacity:1}100%{opacity:0;transform:scale(.8)}}

.pauseTitle{font-family:var(--fontdot);font-size:22px;color:#ff5f7a;margin-bottom:10px;text-shadow:0 0 12px rgba(255,60,90,.6)}
#ovPause p{font-size:13px;color:#c6d9ff;line-height:2}

.resultPanel{min-width:min(480px, 92vw)}
.resultHead{font-family:var(--fontdot);letter-spacing:.4em;color:var(--gold);font-size:15px}
#rankWrap{margin:6px 0 2px;position:relative}
#rankLetter{font-family:var(--fontdot);font-size:110px;line-height:1;
  background:linear-gradient(180deg,#fff,var(--gold) 55%,#ff7b2c);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 26px rgba(255,200,80,.6));animation:rankIn .8s cubic-bezier(.2,2.2,.4,1) backwards}
@keyframes rankIn{0%{transform:scale(0) rotate(-18deg);opacity:0}60%{transform:scale(1.25)}100%{transform:scale(1)}}
#rankWord{font-size:13px;color:#8fb6ff;letter-spacing:.3em}
.scoreBig{margin:10px 0 6px;font-family:var(--fontdot);font-size:44px;color:#fff;
  text-shadow:0 0 18px rgba(120,220,255,.6)}
.scoreBig .ptn{font-size:16px;margin-left:8px}
.statTbl{margin:6px auto 12px;border-collapse:collapse;font-size:14px;color:#cfe2ff}
.statTbl td{padding:4px 18px;border-bottom:1px dashed rgba(120,170,255,.25)}
.statTbl td:first-child{color:#7f9fd4;font-size:12px;text-align:right}
.rankComment{font-size:13px;color:var(--gold);min-height:1.6em}
.btnRow{display:flex;gap:12px;justify-content:center}
.btnRow button{margin-top:10px}

/* 弱スペック向け: エフェクトlowで一部をJSから非表示 */
body.fx-low #scanlines::after{display:none}