:root{
  --bg:#06121f;
  --bg2:#0b2236;
  --ink:#eaf6ff;
  --neon:#39ff9e;
  --neon2:#ffe14d;
  --red:#ff3b46;
  --red-d:#c01622;
  --xblue:#1d9bf0;
  --panel:#0e2a40;
  --line:#1d4a6b;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{margin:0;height:100%;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:"DotGothic16","Hiragino Maru Gothic ProN","Yu Gothic",monospace;
  overflow:hidden;
  user-select:none;
  -webkit-user-select:none;
}

#app{
  position:fixed;
  inset:0;
  margin:0 auto;
  max-width:480px;
  display:flex;
  background:radial-gradient(120% 80% at 50% 0%, var(--bg2), var(--bg) 70%);
  box-shadow:0 0 0 100vmax #02080e;
}

.screen{
  display:none;
  position:absolute;
  inset:0;
  padding:env(safe-area-inset-top) 16px env(safe-area-inset-bottom);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
}
.screen.is-active{display:flex;}

/* ---------- ボタン共通（レトロ枠） ---------- */
.btn{
  font-family:inherit;
  font-size:20px;
  color:#fff;
  border:none;
  padding:16px 28px;
  cursor:pointer;
  border-radius:4px;
  box-shadow:0 6px 0 rgba(0,0,0,.5), inset 0 0 0 3px rgba(255,255,255,.18);
  transition:transform .06s, box-shadow .06s;
}
.btn:active{transform:translateY(4px);box-shadow:0 2px 0 rgba(0,0,0,.5), inset 0 0 0 3px rgba(255,255,255,.18);}
.btn-red{background:linear-gradient(180deg,var(--red),var(--red-d));}
.btn-x{background:#000;box-shadow:0 6px 0 rgba(0,0,0,.5), inset 0 0 0 3px var(--xblue);}

/* ---------- タイトル ---------- */
.panel{
  width:100%;
  max-width:360px;
  background:linear-gradient(180deg, rgba(14,42,64,.85), rgba(6,18,31,.85));
  border:4px solid var(--line);
  border-radius:10px;
  padding:28px 22px 26px;
  box-shadow:0 0 0 4px #02080e, 0 18px 40px rgba(0,0,0,.5);
}
.title{
  font-size:34px;
  line-height:1.15;
  margin:0 0 6px;
  color:var(--neon);
  text-shadow:3px 3px 0 #05381f, 0 0 18px rgba(57,255,158,.4);
}
.title-sub{
  font-size:26px;
  color:var(--neon2);
  text-shadow:3px 3px 0 #4a3b00;
}
.lead{font-size:18px;line-height:1.6;margin:14px 0 22px;}
.lead b{color:var(--neon2);font-size:22px;}
#btn-start{font-size:24px;padding:18px 46px;letter-spacing:.1em;}
.best{margin-top:20px;font-size:15px;color:var(--neon);}
.hint{margin-top:16px;font-size:12px;color:#7fa6c2;line-height:1.6;}
.version{
  position:fixed;
  left:14px;
  bottom:calc(env(safe-area-inset-bottom) + 12px);
  z-index:5;
  font-size:11px;
  color:#577089;
  opacity:.7;
}

/* ---------- プレイ ---------- */
#screen-play{padding:0;justify-content:flex-start;}
#game{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  display:block;
  touch-action:none;
}
.hud{
  position:absolute;
  top:0;left:0;right:0;
  z-index:3;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:calc(env(safe-area-inset-top) + 10px) 16px 10px;
  font-size:16px;
  background:linear-gradient(180deg, rgba(2,8,14,.85), rgba(2,8,14,0));
  pointer-events:none;
}
.hud-time{color:var(--neon2);font-size:20px;}
.hud-time.low{color:var(--red);animation:blink .5s steps(2) infinite;}
.hud-score{color:var(--neon);}
@keyframes blink{50%{opacity:.3;}}

.feedback{
  position:absolute;
  top:42%;left:0;right:0;
  z-index:4;
  text-align:center;
  font-size:40px;
  font-weight:bold;
  pointer-events:none;
  opacity:0;
}
.feedback.show{animation:pop .7s ease-out;}
@keyframes pop{
  0%{opacity:0;transform:scale(.6) translateY(10px);}
  20%{opacity:1;transform:scale(1.15) translateY(0);}
  70%{opacity:1;transform:scale(1);}
  100%{opacity:0;transform:scale(1) translateY(-18px);}
}
.fb-hit{color:var(--neon);text-shadow:0 0 16px rgba(57,255,158,.7),3px 3px 0 #05381f;}
.fb-miss{color:#ff9b3b;text-shadow:3px 3px 0 #5a2c00;}
.fb-early{color:#ff5b66;text-shadow:3px 3px 0 #5a0008;}

.tap-hint{
  position:absolute;
  bottom:calc(env(safe-area-inset-bottom) + 18px);
  left:0;right:0;
  z-index:3;
  text-align:center;
  font-size:14px;
  color:#7fa6c2;
  pointer-events:none;
  animation:fade 1.6s ease-in-out infinite;
}
@keyframes fade{50%{opacity:.35;}}

/* ---------- 結果 ---------- */
#screen-result{justify-content:center;gap:18px;}
.result-card{
  position:relative;
  width:100%;
  max-width:340px;
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.03) 0 8px, transparent 8px 16px),
    linear-gradient(180deg,#10314a,#071a2a);
  border:4px solid var(--neon2);
  border-radius:12px;
  padding:18px 18px 20px;
  box-shadow:0 0 0 4px #02080e, 0 0 30px rgba(255,225,77,.25), 0 18px 40px rgba(0,0,0,.55);
}
.result-ribbon{
  position:absolute;
  top:-16px;left:50%;transform:translateX(-50%);
  background:var(--red);
  color:#fff;
  padding:6px 22px;
  font-size:16px;
  letter-spacing:.2em;
  border-radius:4px;
  box-shadow:0 4px 0 var(--red-d), inset 0 0 0 2px rgba(255,255,255,.25);
}
.trophy{font-size:48px;margin:8px 0 2px;line-height:1;filter:drop-shadow(0 4px 0 rgba(0,0,0,.4));}
.result-rank{
  font-size:24px;
  color:var(--neon);
  text-shadow:2px 2px 0 #05381f;
  margin-bottom:10px;
}
.result-main{
  background:rgba(2,8,14,.5);
  border:2px solid var(--line);
  border-radius:8px;
  padding:10px 6px 8px;
}
.result-big{display:flex;align-items:baseline;justify-content:center;gap:6px;}
.result-species{font-size:20px;color:var(--neon2);}
.result-size{font-size:52px;color:#fff;text-shadow:3px 3px 0 #03303f,0 0 18px rgba(57,255,158,.4);line-height:1;}
.result-unit{font-size:22px;color:#fff;}
.result-sub{font-size:12px;color:#7fa6c2;margin-top:2px;}

.result-stats{display:flex;justify-content:center;gap:14px;margin:12px 0 6px;}
.stat{
  flex:1;
  background:rgba(2,8,14,.5);
  border:2px solid var(--line);
  border-radius:8px;
  padding:8px 4px;
}
.stat-num{display:block;font-size:26px;color:var(--neon);}
.stat-label{font-size:12px;color:#9ec3dc;}

.result-chara{display:flex;align-items:center;justify-content:center;gap:8px;margin:6px 0 4px;}
.chara-emoji{font-size:40px;line-height:1;}
.chara-img{
  width:104px;height:104px;
  object-fit:contain;
  filter:drop-shadow(0 3px 4px rgba(0,0,0,.5));
}
.chara-bubble{
  position:relative;
  background:#fff;
  color:#06121f;
  font-size:14px;
  padding:8px 12px;
  border-radius:10px;
  max-width:170px;
}
.chara-bubble::after{
  content:"";
  position:absolute;
  right:-8px;top:50%;transform:translateY(-50%);
  border:8px solid transparent;
  border-left-color:#fff;
}

.result-best{margin-top:10px;font-size:14px;color:var(--neon);}
.result-share{margin-top:6px;font-size:13px;color:var(--neon2);}
.result-line{
  display:block;
  margin-top:8px;
  font-size:11px;
  color:#7fa6c2;
  text-decoration:none;
  opacity:.85;
}
.result-line:hover{opacity:1;text-decoration:underline;}

.result-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;}
.result-actions .btn{font-size:18px;padding:14px 22px;}