:root{
  --sky:#8FD8F5;
  --grass:#7FD16B;
  --sun:#FFB703;
  --pop:#FF5E7A;
  --ink:#2B2D42;
  --white:#FFFFFF;
  --night:#1B2A4A;
  --font:"M PLUS Rounded 1c","Hiragino Maru Gothic ProN","Yu Gothic",sans-serif;
}
*{box-sizing:border-box}
body{
  margin:0;
  background:var(--sky);
  color:var(--ink);
  font-family:var(--font);
  font-size:14px;          /* claude.ai の artifact ホストが body に入れる値と揃える */
  font-weight:500;
  -webkit-text-size-adjust:100%;
  -webkit-tap-highlight-color:transparent;
  -webkit-user-select:none;
  user-select:none;
  overscroll-behavior:none;
}
#app{position:relative;min-height:100vh;min-height:100svh}
.screen{display:none}
.screen.on{display:flex;flex-direction:column;justify-content:center;min-height:100vh;min-height:100svh}
.wrap{width:100%;max-width:960px;margin:0 auto;padding:18px 16px 44px}

/* ---------- title ---------- */
.logo{
  font-weight:800;
  font-size:clamp(38px,10.5vw,84px);
  line-height:1.1;
  text-align:center;
  margin:10px 0 2px;
  color:var(--white);
  letter-spacing:.02em;
  text-shadow:
    5px 0 0 var(--ink), -5px 0 0 var(--ink), 0 5px 0 var(--ink), 0 -5px 0 var(--ink),
    4px 4px 0 var(--ink), -4px 4px 0 var(--ink), 4px -4px 0 var(--ink), -4px -4px 0 var(--ink),
    0 14px 0 rgba(43,45,66,.22);
}
.logo .a{color:var(--sun)}
.logo .b{color:var(--pop)}
.banner{display:block;width:100%;height:clamp(160px,32vh,270px)}
.tap-hint{
  text-align:center;font-weight:800;font-size:clamp(20px,4.5vw,30px);
  margin:6px 0 0;color:var(--ink);
  animation:blink 1.5s ease-in-out infinite;
}
.subtle{text-align:center;font-size:15px;opacity:.72;margin:14px 0 0}
@keyframes blink{0%,100%{transform:translateY(0);opacity:1}50%{transform:translateY(-6px);opacity:.75}}
@keyframes pops{0%{transform:scale(.9)}60%{transform:scale(1.04)}100%{transform:scale(1)}}

/* ---------- shared buttons ---------- */
.head{
  text-align:center;font-weight:800;font-size:clamp(24px,5.5vw,38px);margin:6px 0 16px;
  color:var(--white);
  text-shadow:3px 0 0 var(--ink),-3px 0 0 var(--ink),0 3px 0 var(--ink),0 -3px 0 var(--ink),2px 2px 0 var(--ink),-2px 2px 0 var(--ink),2px -2px 0 var(--ink),-2px -2px 0 var(--ink);
}
.big-btn{
  font-family:inherit;font-weight:800;color:var(--ink);
  min-height:88px;border:4px solid var(--ink);border-radius:26px;
  background:var(--white);box-shadow:0 7px 0 var(--ink);
  padding:14px 18px;cursor:pointer;touch-action:manipulation;
  transition:transform .06s ease, box-shadow .06s ease;
}
.big-btn.down{transform:translateY(5px);box-shadow:0 2px 0 var(--ink)}
.mini-btn{
  font-family:inherit;font-weight:800;color:var(--ink);font-size:15px;
  min-height:46px;padding:0 16px;border:3px solid var(--ink);border-radius:16px;
  background:var(--white);box-shadow:0 4px 0 var(--ink);cursor:pointer;touch-action:manipulation;
}
.mini-btn.down{transform:translateY(3px);box-shadow:0 1px 0 var(--ink)}

/* ---------- mode ---------- */
.modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.mode-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:16px 10px}
.mode-btn canvas{width:112px;height:112px;display:block}
.mode-btn .nm{font-size:clamp(24px,6vw,34px)}
.mode-btn .sb{font-size:14px;font-weight:500;opacity:.8}
.mode-btn.sel{background:#FFF3D2;box-shadow:0 7px 0 var(--ink),0 0 0 6px rgba(255,183,3,.55)}

/* ---------- select ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.topbar .head{margin:0;flex:1 1 auto;text-align:left}
.now-mode{font-weight:800;font-size:15px;background:var(--white);border:3px solid var(--ink);border-radius:14px;padding:6px 12px}
#screen-select .wrap{max-width:1120px}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:12px}
/* medium screens: 3 + 2 */
@media(min-width:860px){.cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}}
/* landscape iPad and up: all five in one row */
@media(min-width:1100px){.cards{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}}
.card{
  font-family:inherit;color:var(--ink);cursor:pointer;touch-action:manipulation;
  border:4px solid var(--ink);border-radius:24px;background:var(--white);
  box-shadow:0 7px 0 var(--ink);padding:10px 8px 12px;
  display:flex;flex-direction:column;align-items:center;gap:2px;min-height:200px;
  transition:transform .06s ease, box-shadow .06s ease;
}
.card.down{transform:translateY(5px);box-shadow:0 2px 0 var(--ink)}
.card canvas{width:118px;height:118px;display:block}
.card .cname{font-weight:800;font-size:clamp(16px,4.2vw,19px);margin-top:2px;line-height:1.25;text-align:center}
.card .chint{font-size:12px;font-weight:500;opacity:.72;text-align:center;line-height:1.3;min-height:2.6em}
.card .cbest{font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;opacity:.9}
.stars{letter-spacing:2px;font-size:19px;color:var(--sun);text-shadow:1px 1px 0 var(--ink),-1px 1px 0 var(--ink),1px -1px 0 var(--ink),-1px -1px 0 var(--ink)}
.stars .off{color:var(--white)}

/* ---------- play ---------- */
#screen-play{position:fixed;inset:0;background:var(--sky);overflow:hidden;touch-action:none}
#screen-play.on{display:block}
#cv-play{position:absolute;inset:0;width:100%;height:100%;display:block}
.hud{
  position:absolute;left:0;right:0;top:0;display:flex;align-items:flex-start;
  justify-content:space-between;gap:8px;padding:calc(8px + env(safe-area-inset-top,0px)) 10px 0;
  pointer-events:none;
}
.hud-btn{
  pointer-events:auto;font-family:inherit;font-weight:800;font-size:15px;color:var(--ink);
  min-height:46px;padding:0 14px;border:3px solid var(--ink);border-radius:16px;
  background:rgba(255,255,255,.92);cursor:pointer;touch-action:manipulation;
}
.hud-score{
  background:rgba(255,255,255,.92);border:3px solid var(--ink);border-radius:16px;
  padding:7px 14px;font-weight:800;font-variant-numeric:tabular-nums;
  display:flex;gap:12px;align-items:baseline;font-size:19px;
}
.hud-score .combo{font-size:15px;color:var(--pop);min-width:3.4em;text-align:right}

/* ---------- result ---------- */
.res-card{background:var(--white);border:4px solid var(--ink);border-radius:28px;box-shadow:0 7px 0 var(--ink);padding:12px 14px 18px;animation:pops .28s ease-out}
.res-stars{text-align:center;font-size:clamp(38px,10vw,60px);letter-spacing:6px;color:var(--sun);margin:2px 0 6px;
  text-shadow:2px 0 0 var(--ink),-2px 0 0 var(--ink),0 2px 0 var(--ink),0 -2px 0 var(--ink)}
.res-stars .off{color:#EFEFEF}
.counts{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:6px 0}
.cnt{border:3px solid var(--ink);border-radius:18px;padding:6px 14px;min-width:104px;text-align:center;background:#FFFDF6}
.cnt .lb{display:block;font-size:13px;font-weight:800}
.cnt .nm{display:block;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums}
.cnt.p{background:#FFE8ED;border-color:var(--pop);color:#B32E48}
.cnt.g{background:#E8F7DF}
.score-row{text-align:center;font-weight:800;font-size:clamp(20px,5vw,28px);font-variant-numeric:tabular-nums;margin-top:6px}
.best-row{text-align:center;font-size:14px;font-weight:800;min-height:1.4em;color:#9A6B00}
.res-btns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}
.res-btns .big-btn{font-size:clamp(17px,4.4vw,22px)}
.res-btns .again{background:#FFE8ED}

@media (prefers-reduced-motion: reduce){
  .tap-hint{animation:none}
  .res-card{animation:none}
  .big-btn,.card{transition:none}
}