:root {
  --yellow: #ffd23f;
  --ink: #17151a;
  --asphalt: #2b2b30;
  --cream: #fff6e0;
  --red: #ff4b3e;
  --green: #2ec27e;
  --font-head: "Dela Gothic One", "Hiragino Sans", sans-serif;
  --font-body: "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", sans-serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; height: 100%; overflow: hidden;
  background: var(--ink); color: var(--cream);
  font-family: var(--font-body);
  overscroll-behavior: none;
  -webkit-user-select: none; user-select: none;
  -webkit-touch-callout: none;
}
button { font: inherit; color: inherit; }

.screen { display: none; position: fixed; inset: 0; }
.screen.active { display: flex; }

/* ---------- ロビー / 待機 ---------- */
#lobby, #waiting {
  flex-direction: column; background: var(--yellow); color: var(--ink);
}
.stripes {
  height: 28px; flex: none;
  background: repeating-linear-gradient(-45deg, var(--ink) 0 18px, var(--yellow) 18px 36px);
}
.lobby-inner {
  flex: 1; display: flex; flex-direction: column; justify-content: center;
  gap: 16px; padding: 24px 24px calc(24px + env(safe-area-inset-bottom));
  max-width: 460px; width: 100%; margin: 0 auto;
}
.kicker { margin: 0; font-weight: 800; letter-spacing: .08em; font-size: 14px; }
.logo {
  margin: 0; font-family: var(--font-head); font-weight: 400;
  font-size: clamp(64px, 22vw, 108px); line-height: .95;
  transform: rotate(-4deg); transform-origin: left;
  text-shadow: 5px 5px 0 var(--red);
}
.lead { margin: 0; font-size: 15px; line-height: 1.7; }
.lead b { background: var(--ink); color: var(--yellow); padding: 0 4px; }

.btn {
  border: 3px solid var(--ink); background: var(--cream); color: var(--ink);
  border-radius: 14px; padding: 12px 18px; font-weight: 800; font-size: 17px;
  box-shadow: 0 5px 0 var(--ink); cursor: pointer;
  transition: transform .05s, box-shadow .05s;
}
.btn:active { transform: translateY(4px); box-shadow: 0 1px 0 var(--ink); }
.btn.big { font-family: var(--font-head); font-weight: 400; font-size: 24px; padding: 16px; }
.btn.yellow { background: var(--red); color: var(--cream); }
.link {
  background: none; border: none; text-decoration: underline; font-weight: 800;
  color: inherit; padding: 6px; cursor: pointer; font-size: 14px;
}
.join { display: flex; gap: 10px; }
.back-link { color: var(--ink); text-align: center; }
.join input {
  flex: 1; min-width: 0; border: 3px solid var(--ink); border-radius: 14px;
  padding: 12px 14px; font: 800 22px var(--font-body); letter-spacing: .3em;
  background: var(--cream); color: var(--ink);
}
.note { margin: 0; font-size: 13px; line-height: 1.7; }
[hidden] { display: none !important; }
.msg { min-height: 1.5em; margin: 0; font-weight: 800; color: var(--red); }
.room-code {
  font-family: var(--font-head); font-size: clamp(72px, 26vw, 120px);
  letter-spacing: .08em; line-height: 1;
}

/* ---------- ゲーム ---------- */
#game { flex-direction: column; background: var(--ink); }

#hud {
  flex: none; display: grid; grid-template-columns: repeat(3, auto) 1fr; gap: 12px;
  align-items: center; padding: calc(8px + env(safe-area-inset-top)) 14px 8px;
  background: var(--yellow); color: var(--ink);
  border-bottom: 3px solid var(--ink);
}
.hud-cell { display: flex; flex-direction: column; line-height: 1; }
.hud-cell .lbl { font-size: 10px; font-weight: 800; }
.hud-cell .val { font-family: var(--font-head); font-size: 24px; }
.bars { display: flex; flex-direction: column; gap: 4px; }
.bar { display: flex; align-items: center; gap: 4px; font-size: 12px; }
.bar i { flex: 1; height: 9px; border: 2px solid var(--ink); border-radius: 6px; overflow: hidden; background: var(--cream); }
.bar b { display: block; height: 100%; width: 100%; background: var(--red); transition: width .2s; }
#hCond { background: #c98b4f; }

#stage { position: relative; flex: 1; min-height: 0; overflow: hidden; }
#cv { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }


.warn {
  position: absolute; left: 0; right: 0; bottom: 18px; text-align: center;
  font-family: var(--font-head); font-size: 22px; color: var(--ink);
  background: repeating-linear-gradient(-45deg, var(--yellow) 0 14px, #ffe78a 14px 28px);
  border-block: 3px solid var(--ink); padding: 6px;
  display: none; pointer-events: none; animation: blink .3s steps(2) infinite;
}
.warn.show { display: block; }
@keyframes blink { 50% { opacity: .55; } }

.count {
  position: absolute; inset: 0; display: none; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 140px; color: var(--yellow);
  text-shadow: 6px 6px 0 var(--ink); pointer-events: none;
}
.count.show { display: flex; }

.flash {
  position: absolute; inset: 0; display: none; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  background: rgba(255, 75, 62, .92); color: var(--cream);
  font-family: var(--font-head); font-size: 34px; line-height: 1.3; pointer-events: none;
}
.flash.show { display: flex; animation: pop .25s ease-out; }
.flash small { font-family: var(--font-body); font-weight: 800; font-size: 16px; }
@keyframes pop { from { transform: scale(1.3); opacity: 0; } }

#controls {
  flex: none; height: 36vh; min-height: 220px; display: flex; flex-direction: column;
  background: var(--asphalt); border-top: 3px solid var(--ink);
  padding: 8px 12px calc(12px + env(safe-area-inset-bottom));
}
.role-tag { font-size: 13px; text-align: center; margin-bottom: 6px; }
.role-tag b { color: var(--yellow); font-size: 16px; }
.pads { flex: 1; display: flex; gap: 12px; min-height: 0; }
.pad { flex: 1; display: none; min-height: 0; touch-action: none; }
.pad.on { display: flex; }

.steer-pad {
  flex-direction: column; align-items: center; justify-content: center;
  border-radius: 20px; background: #3a3a41; color: var(--cream);
}
#wheel { width: min(78%, 230px); max-height: calc(100% - 22px); aspect-ratio: 1; pointer-events: none; }
.hint { margin: 6px 0 0; font-size: 12px; opacity: .7; pointer-events: none; }

.pedal-pad { gap: 12px; }
.pedal {
  flex: 1; border: 3px solid var(--ink); border-radius: 20px;
  font-family: var(--font-head); font-size: 26px; color: var(--cream);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  box-shadow: 0 7px 0 var(--ink); touch-action: none; cursor: pointer;
}
.pedal small { font-family: var(--font-body); font-size: 11px; font-weight: 800; opacity: .8; }
.pedal.brake { background: var(--red); }
.pedal.gas { background: var(--green); flex: 1.3; }
.pedal.down { transform: translateY(5px); box-shadow: 0 2px 0 var(--ink); filter: brightness(1.15); }

/* 練習モード：両方を縦に並べる */
#controls.both { height: 46vh; }
#controls.both .pads { flex-direction: column; }

/* オーバーレイ */
.overlay {
  position: absolute; inset: 0; display: none; align-items: center; justify-content: center;
  background: rgba(23, 21, 26, .75); padding: 20px; z-index: 10;
}
.overlay.show { display: flex; }
.card {
  width: 100%; max-width: 380px; background: var(--yellow); color: var(--ink);
  border: 3px solid var(--ink); border-radius: 20px; box-shadow: 0 8px 0 var(--ink);
  padding: 20px; display: flex; flex-direction: column; gap: 10px;
  max-height: 100%; overflow-y: auto;
}
.res-row { display: flex; justify-content: space-between; align-items: baseline; font-weight: 800; }
.res-row b { font-family: var(--font-head); font-weight: 400; font-size: 32px; }
.x-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: #000; color: #fff; border-color: #000; text-decoration: none;
}
.x-btn svg { width: 18px; height: 18px; flex: none; }
.x-btn:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }
.rank-row { display: flex; align-items: center; gap: 14px; }
.rank-stamp {
  --rank: var(--ink);
  flex: none; width: 84px; height: 84px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 52px; line-height: 1; color: var(--cream);
  background: var(--rank); border: 4px solid var(--ink); box-shadow: 0 5px 0 var(--ink), inset 0 0 0 4px rgba(255,246,224,.55);
  transform: rotate(-12deg);
}
.rank-stamp.pop { animation: stamp .45s cubic-bezier(.2, 1.6, .4, 1) both; }
@keyframes stamp { from { transform: rotate(-30deg) scale(2.4); opacity: 0; } to { transform: rotate(-12deg) scale(1); opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .rank-stamp.pop { animation: none; } }
.rank-stamp[data-rank="S"] { --rank: #e0a100; color: #17151a; font-size: 58px; }
.rank-stamp[data-rank="A"] { --rank: var(--red); }
.rank-stamp[data-rank="B"] { --rank: var(--green); }
.rank-stamp[data-rank="C"] { --rank: #6d8bc7; }
.rank-stamp[data-rank="D"] { --rank: #77737e; }
.rank-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.rank-lbl { font-size: 12px; font-weight: 800; }
.rank-text b { font-family: var(--font-head); font-weight: 400; font-size: 24px; line-height: 1.2; }
.conn-row { display: flex; align-items: center; gap: 12px; }
.spinner {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  border: 4px solid rgba(23,21,26,.2); border-top-color: var(--ink);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.kenka { background: var(--cream); border: 3px solid var(--ink); border-radius: 14px; padding: 12px; }
.kenka-lbl { margin: 0 0 6px; font-weight: 800; font-size: 13px; }
.kenka-bar { height: 16px; border: 2px solid var(--ink); border-radius: 8px; overflow: hidden; background: #fff; }
.kenka-bar b { display: block; height: 100%; width: 0; background: repeating-linear-gradient(-45deg, var(--red) 0 8px, #ff7a6f 8px 16px); transition: width 1s ease-out; }
.kenka-title { margin: 10px 0 4px; font-family: var(--font-head); font-size: 26px; text-align: center; }
.stats { margin: 0; padding: 0; list-style: none; font-size: 13px; display: grid; grid-template-columns: 1fr 1fr; gap: 2px 10px; }