@import url("https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@700;800&family=Share+Tech+Mono&display=swap");

:root {
  --psy-pink: #ff2d95;
  --psy-cyan: #00f0ff;
  --psy-lime: #b8ff00;
  --psy-yellow: #ffea00;
  --psy-orange: #ff6b00;
  --psy-purple: #7a3cff;
  --bg: #0a0014;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --tap-min: 56px;
}

/* View Transitions API */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.38s;
}
::view-transition-old(root) {
  animation-name: vtFadeOut;
}
::view-transition-new(root) {
  animation-name: vtFadeIn;
}
@keyframes vtFadeOut {
  to { opacity: 0; filter: blur(6px) hue-rotate(40deg); transform: scale(1.04); }
}
@keyframes vtFadeIn {
  from { opacity: 0; filter: blur(6px) hue-rotate(-40deg); transform: scale(0.96); }
}
.screen-title { view-transition-name: screen-title; }
.screen-play { view-transition-name: screen-play; }
.screen-result { view-transition-name: screen-result; }
.screen-collection { view-transition-name: screen-collection; }
.formula-anchor { view-transition-name: formula; }

*, *::before, *::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  touch-action: none;
}

::selection { background: transparent; color: inherit; }
::-moz-selection { background: transparent; color: inherit; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  height: 100dvh;
  height: -webkit-fill-available;
  overflow: hidden;
  position: fixed;
  overscroll-behavior: none;
  font-family: "M PLUS Rounded 1c", sans-serif;
  background: var(--bg);
  color: #fff;
}

/* ===== 共通ボタン：ポチッ感 ===== */
.game-btn {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  cursor: pointer;
  transition: transform 0.07s ease, filter 0.12s ease, opacity 0.08s ease;
}
.game-btn:active,
.game-btn.is-press {
  transform: scale(0.92);
  filter: brightness(1.15);
}

.pop-fx {
  position: fixed;
  z-index: 200;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%) scale(0.6);
  padding: 8px 18px;
  border-radius: 999px;
  border: 2px solid var(--psy-yellow);
  background: rgba(20, 0, 40, 0.9);
  color: var(--psy-yellow);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.12em;
  text-shadow: 0 0 12px var(--psy-pink);
  pointer-events: none;
  opacity: 0;
}
.pop-fx.show {
  animation: popClick 0.38s ease-out forwards;
}
@keyframes popClick {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
  35% { opacity: 1; transform: translate(-50%, -55%) scale(1.15); }
  100% { opacity: 0; transform: translate(-50%, -70%) scale(1); }
}

.mute-btn {
  position: fixed;
  top: calc(8px + var(--safe-t));
  right: calc(10px + var(--safe-r));
  z-index: 50;
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  border-radius: 50%;
  border: 2px solid var(--psy-pink);
  background: rgba(20, 0, 40, 0.9);
  font-size: 1.2rem;
  box-shadow: 0 0 14px rgba(255, 45, 149, 0.4);
}

/* ===== 画面ベース ===== */
.screen {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  height: 100dvh;
  height: -webkit-fill-available;
  padding:
    calc(12px + var(--safe-t))
    calc(14px + var(--safe-r))
    calc(12px + var(--safe-b))
    calc(14px + var(--safe-l));
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
  background: var(--bg);
  z-index: 1;
}
.screen[hidden] { display: none !important; }

/* ===== サイケ背景（共通） ===== */
.psy-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.psy-bg-dim { opacity: 0.55; }

.psy-swirl {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.75;
  mix-blend-mode: screen;
  animation: swirlDrift 10s ease-in-out infinite alternate;
}
.psy-swirl-a {
  width: 140%;
  height: 70%;
  top: -20%;
  left: -20%;
  background:
    radial-gradient(circle at 30% 40%, var(--psy-pink) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, var(--psy-cyan) 0%, transparent 45%);
  animation-duration: 12s;
}
.psy-swirl-b {
  width: 100%;
  height: 80%;
  bottom: -25%;
  right: -15%;
  background:
    radial-gradient(circle at 40% 50%, var(--psy-lime) 0%, transparent 45%),
    radial-gradient(circle at 70% 30%, var(--psy-orange) 0%, transparent 50%);
  animation-duration: 9s;
  animation-delay: -3s;
}
.psy-swirl-c {
  width: 90%;
  height: 90%;
  top: 15%;
  left: 5%;
  background:
    radial-gradient(circle at 50% 50%, var(--psy-purple) 0%, transparent 55%),
    radial-gradient(circle at 20% 80%, var(--psy-yellow) 0%, transparent 40%);
  animation-duration: 14s;
  animation-delay: -6s;
  opacity: 0.55;
}

.psy-ring {
  position: absolute;
  top: 48%;
  left: 50%;
  width: min(110vw, 480px);
  height: min(110vw, 480px);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 2px solid transparent;
  background:
    linear-gradient(var(--bg), var(--bg)) padding-box,
    conic-gradient(from 0deg, var(--psy-pink), var(--psy-cyan), var(--psy-lime), var(--psy-orange), var(--psy-purple), var(--psy-pink)) border-box;
  opacity: 0.3;
  animation: ringSpin 18s linear infinite;
}

@keyframes swirlDrift {
  0% { transform: translate(0, 0) scale(1) rotate(0deg); }
  50% { transform: translate(4%, -3%) scale(1.08) rotate(8deg); }
  100% { transform: translate(-3%, 4%) scale(0.95) rotate(-6deg); }
}
@keyframes ringSpin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.float-mol {
  position: absolute;
  font-family: "Share Tech Mono", monospace;
  font-weight: 700;
  font-size: clamp(0.8rem, 3.2vw, 1.05rem);
  color: rgba(255, 255, 255, 0.55);
  text-shadow: 0 0 10px currentColor;
  animation: molFloat 7s ease-in-out infinite;
  pointer-events: none;
}
.m1 { top: 11%; left: 6%; color: #ff6ec7; }
.m2 { top: 16%; right: 8%; color: var(--psy-cyan); animation-delay: -1s; }
.m3 { top: 40%; left: 3%; color: var(--psy-lime); animation-delay: -2s; }
.m4 { top: 52%; right: 4%; color: var(--psy-yellow); animation-delay: -3s; }
.m5 { bottom: 20%; left: 10%; color: var(--psy-orange); animation-delay: -1.5s; }
.m6 { bottom: 12%; right: 10%; color: #c084ff; animation-delay: -4s; }
.m7 { top: 68%; left: 38%; color: #5ad7ff; animation-delay: -2.5s; }
.m8 { top: 7%; left: 44%; color: #ff4d6d; animation-delay: -0.5s; }

@keyframes molFloat {
  0%, 100% { transform: translateY(0) rotate(-4deg); opacity: 0.4; }
  50% { transform: translateY(-12px) rotate(4deg); opacity: 0.85; }
}

/* ===== タイトル ===== */
.screen-title {
  justify-content: space-between;
  padding-top: calc(28px + var(--safe-t));
  padding-bottom: calc(18px + var(--safe-b));
  overflow: hidden;
}

.title-hero {
  position: relative;
  z-index: 2;
  text-align: center;
  width: min(100%, 400px);
  flex-shrink: 0;
  animation: heroIn 0.7s ease-out;
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(14px) scale(0.96); }
  to { opacity: 1; transform: none; }
}

.brand-tag {
  margin: 0 0 4px;
  font-family: "Share Tech Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  color: var(--psy-yellow);
  text-shadow: 0 0 12px rgba(255, 234, 0, 0.7);
}

.psy-title {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.02;
  gap: 0;
}
.psy-title-line {
  font-size: clamp(2.1rem, 10vw, 3.1rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  background: linear-gradient(90deg, var(--psy-pink), var(--psy-yellow), var(--psy-cyan), var(--psy-lime), var(--psy-pink));
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: psycheText 4s linear infinite;
  filter: drop-shadow(0 0 16px rgba(255, 45, 149, 0.5));
}
.psy-title-line.accent {
  font-size: clamp(2.5rem, 12vw, 3.6rem);
  animation-duration: 3.2s;
  animation-direction: reverse;
}
@keyframes psycheText {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

.title-pulse {
  margin: 8px 0 6px;
  font-family: "Share Tech Mono", monospace;
  font-size: clamp(0.78rem, 3.2vw, 0.95rem);
  letter-spacing: 0.14em;
  color: #fff;
  text-shadow: 0 0 8px var(--psy-pink), 0 0 16px var(--psy-cyan);
  animation: pulseGlow 1.4s ease-in-out infinite alternate;
}
@keyframes pulseGlow {
  from { opacity: 0.75; }
  to { opacity: 1; }
}

.subtitle {
  text-align: center;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.86rem;
  margin: 0;
  text-shadow: 0 0 8px rgba(0, 0, 0, 0.7);
}

.pick-label {
  position: relative;
  z-index: 2;
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
  margin: 10px 0 10px;
  letter-spacing: 0.06em;
  text-shadow: 0 0 12px var(--psy-pink), 0 0 18px var(--psy-cyan);
  flex-shrink: 0;
}

.level-row {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: min(100%, 360px);
  flex-shrink: 0;
  margin-bottom: 4px;
}

.level-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 76px;
  border: 3px solid #fff;
  border-radius: 18px;
  padding: 12px 12px 10px;
  font-family: inherit;
  font-weight: 800;
}
.level-grade {
  font-size: clamp(1.8rem, 8vw, 2.35rem);
  line-height: 1;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.3);
}
.level-name { font-size: 0.95rem; margin-top: 2px; }
.level-desc {
  margin-top: 4px;
  font-size: 0.74rem;
  font-weight: 700;
}

.level-elem {
  background: linear-gradient(135deg, rgba(184, 255, 0, 0.9), rgba(0, 240, 255, 0.8));
  border-color: var(--psy-lime);
  box-shadow: 0 0 22px rgba(184, 255, 0, 0.4);
  color: #0a1400;
}
.level-elem .level-desc { color: #063018; }

.level-junior {
  background: linear-gradient(135deg, rgba(255, 45, 149, 0.92), rgba(122, 60, 255, 0.88));
  border-color: var(--psy-pink);
  box-shadow: 0 0 22px rgba(255, 45, 149, 0.45);
  color: #fff;
}
.level-junior .level-desc { color: #ffe0f4; }

/* ===== プレイ：縦長3段 ===== */
.screen-play {
  padding-top: calc(10px + var(--safe-t));
  padding-bottom: calc(10px + var(--safe-b));
  gap: 0;
}

.play-top,
.play-main,
.play-foot {
  position: relative;
  z-index: 2;
  width: min(100%, 420px);
  flex-shrink: 0;
}

.play-top { flex: 0 0 auto; }
.play-main {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  margin: 4px 0;
}
.play-foot {
  flex: 0 1 auto;
  max-height: 32%;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 0;
}

.hud {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  padding-right: 44px; /* ミュートボタン避け */
}
.hud-left {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  min-width: 0;
}
#streak-label {
  color: var(--psy-yellow);
  font-weight: 800;
  font-size: 1.05rem;
}
#title-chip {
  color: #ffb8e8;
  font-size: 0.72rem;
  width: 100%;
}
#best-label {
  color: var(--psy-lime);
  font-family: "Share Tech Mono", monospace;
  font-size: 0.72rem;
  font-weight: 800;
}

.countdown {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 3px solid var(--psy-pink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Share Tech Mono", monospace;
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  background: rgba(40, 0, 30, 0.75);
  box-shadow: 0 0 16px rgba(255, 45, 149, 0.45);
  flex-shrink: 0;
}
.countdown.warn {
  animation: pulse 0.4s ease infinite alternate;
  border-color: #ff3030;
  color: #ffb0b0;
  font-size: 1.7rem;
}
.countdown.idle {
  border-color: var(--psy-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.35);
  background: rgba(0, 30, 40, 0.7);
  font-size: 0.85rem;
}
@keyframes pulse {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

.prompt {
  width: 100%;
  text-align: center;
  font-size: clamp(1.2rem, 5vw, 1.55rem);
  font-weight: 800;
  color: #fff;
  margin: 2px 0 4px;
  text-shadow: 0 0 12px rgba(255, 45, 149, 0.55), 0 0 18px rgba(0, 240, 255, 0.35);
  line-height: 1.25;
  min-height: 1.5em;
}

.phase-tag {
  width: 100%;
  text-align: center;
  font-size: 0.78rem;
  color: var(--psy-cyan);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
  font-weight: 700;
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
}

.formula-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 4px;
  width: 100%;
  padding: 8px 6px;
  border-radius: 14px;
  border: 1px solid rgba(255, 45, 149, 0.35);
  background: rgba(10, 0, 24, 0.65);
  font-family: "Share Tech Mono", monospace;
  font-size: 0.95rem;
  overflow: hidden;
  anchor-name: --formula-anchor;
}
.slot {
  min-width: 48px;
  max-width: 28%;
  padding: 8px 6px;
  border-radius: 10px;
  border: 2px dashed rgba(0, 240, 255, 0.45);
  background: rgba(0, 20, 40, 0.55);
  text-align: center;
  color: #b8e6ff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.slot.filled {
  border-style: solid;
  border-color: var(--psy-cyan);
  color: #fff;
  background: rgba(0, 60, 80, 0.75);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.35);
}
.target-slot {
  border-color: var(--psy-yellow);
  color: #fff6b0;
  max-width: 36%;
  font-size: 0.78rem;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-weight: 800;
  white-space: normal;
  line-height: 1.15;
}
.plus, .arrow {
  color: var(--psy-lime);
  font-weight: 800;
  flex-shrink: 0;
}

.jan-banner {
  position: relative;
  z-index: 3;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--psy-yellow);
  text-shadow: 0 0 18px rgba(255, 200, 60, 0.75);
  animation: janPop 0.45s ease;
  margin: 2px 0;
}
.jan-banner[hidden] { display: none !important; }
@keyframes janPop {
  0% { transform: scale(0.4); opacity: 0; }
  60% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); }
}

/* 4択：押しやすい大ボタン */
.choices {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  flex: 1 1 auto;
  align-content: center;
  min-height: 0;
}

.choice {
  min-height: var(--tap-min);
  height: 100%;
  max-height: 96px;
  border-radius: 16px;
  border: 2px solid var(--psy-cyan);
  background: linear-gradient(160deg, rgba(40, 0, 60, 0.95), rgba(0, 30, 50, 0.98));
  color: #fff;
  font-family: "Share Tech Mono", "M PLUS Rounded 1c", monospace;
  font-size: clamp(1.05rem, 4.2vw, 1.3rem);
  font-weight: 800;
  padding: 10px 8px;
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.2);
  touch-action: manipulation;
  transition: transform 0.07s ease, border-color 0.12s, box-shadow 0.12s, filter 0.08s;
  word-break: break-all;
  line-height: 1.15;
}
.choice:active,
.choice.is-press {
  transform: scale(0.93);
  filter: brightness(1.2);
}
.choice.selected {
  border-color: var(--psy-yellow);
  background: linear-gradient(160deg, rgba(80, 50, 0, 0.95), rgba(40, 20, 0, 0.98));
  box-shadow: 0 0 20px rgba(255, 234, 0, 0.45);
  color: var(--psy-yellow);
}
.choice:disabled { opacity: 0.4; }

.check-btn {
  width: 100%;
  min-height: 58px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--psy-orange), var(--psy-yellow), var(--psy-pink));
  background-size: 200% 100%;
  animation: psycheText 3s linear infinite;
  color: #1a0a00;
  font-family: inherit;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  box-shadow: 0 0 24px rgba(255, 100, 40, 0.5);
  flex-shrink: 0;
}
.check-btn:disabled {
  opacity: 0.35;
  box-shadow: none;
  animation: none;
}
.check-btn[hidden] { display: none !important; }

.feedback {
  width: 100%;
  text-align: center;
  font-size: 1.15rem;
  font-weight: 800;
  margin: 4px 0;
  flex-shrink: 0;
}
.feedback.ok { color: var(--psy-lime); text-shadow: 0 0 12px rgba(184, 255, 0, 0.5); }
.feedback.ng { color: #ff7a9a; text-shadow: 0 0 12px rgba(255, 45, 149, 0.5); }
.feedback[hidden] { display: none !important; }

.explain-btn {
  width: min(100%, 280px);
  min-height: 48px;
  margin: 4px 0 6px;
  border-radius: 14px;
  border: 2px solid var(--psy-lime);
  background: rgba(40, 60, 0, 0.85);
  color: var(--psy-lime);
  font-family: inherit;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 0 14px rgba(184, 255, 0, 0.25);
  flex-shrink: 0;
}
.explain-btn[hidden] { display: none !important; }

/* Popover API + Anchor Positioning */
.explain-popover {
  width: min(92vw, 360px);
  margin: 0;
  padding: 0;
  border: 2px solid var(--psy-cyan);
  border-radius: 18px;
  background: rgba(12, 0, 28, 0.96);
  color: #fff;
  box-shadow: 0 0 28px rgba(0, 240, 255, 0.35), 0 0 40px rgba(255, 45, 149, 0.2);
  overflow: hidden;
}
.explain-popover:popover-open {
  position-anchor: --formula-anchor;
  position: absolute;
  bottom: anchor(top);
  left: anchor(center);
  translate: -50% -12px;
  margin-bottom: 8px;
}
@supports not (anchor-name: --x) {
  .explain-popover:popover-open {
    position: fixed;
    inset: auto 50% 18% auto;
    translate: 50% 0;
  }
}
.explain-popover::backdrop {
  background: rgba(5, 0, 16, 0.55);
  backdrop-filter: blur(3px);
}
.explain-popover-inner {
  padding: 16px 14px 12px;
  max-height: min(50vh, 320px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}
.explain-heading {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--psy-yellow);
  text-shadow: 0 0 10px rgba(255, 234, 0, 0.45);
}
.explain-body {
  margin: 0 0 12px;
  font-size: 0.9rem;
  line-height: 1.55;
  white-space: pre-wrap;
  color: #e8f7ff;
}
.explain-close {
  width: 100%;
  min-height: 48px;
  border-radius: 12px;
  border: 2px solid var(--psy-pink);
  background: rgba(60, 0, 40, 0.9);
  color: #fff;
  font-family: inherit;
  font-weight: 800;
  font-size: 1rem;
}

.action-btn {
  width: min(100%, 320px);
  min-height: var(--tap-min);
  margin: 4px 0;
  border-radius: 14px;
  border: 2px solid var(--psy-cyan);
  background: rgba(20, 0, 50, 0.9);
  color: #fff;
  font-family: inherit;
  font-weight: 800;
  font-size: 1.05rem;
  flex-shrink: 0;
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.25);
}
.action-btn.primary {
  background: linear-gradient(90deg, var(--psy-pink), var(--psy-purple));
  border-color: var(--psy-pink);
  box-shadow: 0 0 18px rgba(255, 45, 149, 0.4);
}
.action-btn[hidden] { display: none !important; }

/* ===== 結果 ===== */
.screen-result {
  justify-content: center;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}
.result-card {
  position: relative;
  z-index: 2;
  width: min(100%, 380px);
  padding: 20px 16px;
  border-radius: 20px;
  border: 2px solid var(--psy-pink);
  background: rgba(12, 0, 28, 0.88);
  box-shadow: 0 0 28px rgba(255, 45, 149, 0.35), 0 0 40px rgba(0, 240, 255, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.screen-result h2 {
  margin: 0 0 8px;
  font-size: 1.5rem;
  color: var(--psy-yellow);
  text-shadow: 0 0 14px rgba(255, 234, 0, 0.5);
}
.result-streak {
  font-size: 1.35rem;
  color: var(--psy-cyan);
  font-weight: 800;
  margin: 6px 0;
}
.result-best {
  margin: 0 0 10px;
  padding: 8px 16px;
  border: 2px solid var(--psy-lime);
  border-radius: 999px;
  color: var(--psy-lime);
  background: rgba(184, 255, 0, 0.08);
  font-family: "Share Tech Mono", monospace;
  font-weight: 800;
  text-shadow: 0 0 10px rgba(184, 255, 0, 0.5);
}
.result-title {
  font-size: clamp(1.15rem, 4.8vw, 1.45rem);
  color: #fff;
  font-weight: 800;
  margin: 8px 8px;
  line-height: 1.35;
  text-shadow: 0 0 12px var(--psy-pink);
}
.result-msg {
  width: 100%;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.55;
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.result-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  gap: 4px;
}

/* ===== 爆発 ===== */
.boom-layer {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
}
.boom-layer[hidden] { display: none !important; }
.boom-flash {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 45%, #fff7c0 0%, #ff6a00 25%, #8b0000 55%, transparent 70%);
  animation: flashBoom 0.9s ease-out forwards;
}
.boom-text {
  position: absolute;
  top: 38%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(2.2rem, 12vw, 3.4rem);
  font-weight: 800;
  color: #fff;
  text-shadow: 0 0 20px #ff0, 0 0 40px #f40, 3px 3px 0 #800;
  animation: boomText 0.85s ease-out;
  white-space: nowrap;
}
#boom-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
@keyframes flashBoom {
  0% { opacity: 1; }
  40% { opacity: 0.9; }
  100% { opacity: 0; }
}
@keyframes boomText {
  0% { transform: translate(-50%, -50%) scale(0.3) rotate(-8deg); opacity: 0; }
  35% { transform: translate(-50%, -50%) scale(1.25) rotate(4deg); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(1) rotate(0); opacity: 0.85; }
}

body.flash-ok { animation: flashOk 0.35s ease; }
@keyframes flashOk {
  0% { filter: brightness(1.35) saturate(1.4) hue-rotate(-10deg); }
  100% { filter: none; }
}

/* ===== 短い画面（SE / 横に近い縦） ===== */
@media (max-height: 700px) {
  .psy-title-line { font-size: clamp(1.7rem, 8vw, 2.4rem); }
  .psy-title-line.accent { font-size: clamp(2rem, 9vw, 2.8rem); }
  .subtitle { font-size: 0.78rem; }
  .level-btn { min-height: 64px; padding: 8px; }
  .level-grade { font-size: 1.7rem; }
  .float-mol { opacity: 0.35; }
  .prompt { font-size: 1.15rem; }
  .countdown { width: 52px; height: 52px; }
  .choice { max-height: 78px; min-height: 52px; font-size: 1rem; }
  .play-foot { max-height: 28%; }
}

@media (max-height: 580px) {
  .brand-tag, .title-pulse { display: none; }
  .pick-label { margin: 4px 0; font-size: 0.85rem; }
  .level-desc { display: none; }
}
/* ===== 化合物表：正解した反応だけが通電する配線図 ===== */
.collection-entry {
  width: min(430px, calc(100% - 40px));
  margin: 18px auto 0;
  padding: 11px 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  color: #eaffff;
  text-align: left;
  border: 1px solid rgba(74, 245, 255, 0.65);
  border-radius: 3px;
  background: linear-gradient(90deg, rgba(19, 224, 213, 0.17), rgba(8, 11, 28, 0.88) 52%), #080b1c;
  box-shadow: 0 0 18px rgba(0, 245, 255, 0.15), inset 3px 0 #40f6ee;
}

.collection-entry-icon {
  color: var(--psy-cyan);
  font-size: 1.75rem;
  filter: drop-shadow(0 0 8px var(--psy-cyan));
}

.collection-entry strong {
  display: block;
  font-size: 1rem;
  letter-spacing: 0.16em;
}

.collection-entry small {
  color: rgba(215, 255, 253, 0.65);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
}

.collection-entry-arrow { color: var(--psy-lime); font-size: 1.35rem; }

.screen-collection {
  min-height: 100dvh;
  padding: max(18px, env(safe-area-inset-top)) 16px max(38px, env(safe-area-inset-bottom));
  overflow-y: auto;
  color: #edffff;
  background:
    radial-gradient(circle at 16% 8%, rgba(0, 255, 225, 0.16), transparent 30%),
    radial-gradient(circle at 90% 30%, rgba(255, 38, 163, 0.13), transparent 32%),
    #050712;
}

.circuit-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(102, 242, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(102, 242, 255, 0.16) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.collection-head {
  position: relative;
  width: min(900px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: 12px;
}

.collection-back {
  width: 42px;
  height: 42px;
  color: #071014;
  font-size: 1.4rem;
  font-weight: 900;
  border: 0;
  border-radius: 50%;
  background: var(--psy-cyan);
  box-shadow: 0 0 18px rgba(60, 245, 255, 0.55);
}

.collection-kicker,
.compound-detail-kicker {
  margin: 0 0 2px;
  color: var(--psy-cyan);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.collection-head h2 {
  margin: 0;
  font-size: clamp(1.65rem, 7vw, 2.6rem);
  font-weight: 900;
  letter-spacing: 0.08em;
}

.collection-count {
  padding: 7px 10px;
  color: var(--psy-lime);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-weight: 900;
  border: 1px solid rgba(184, 255, 0, 0.45);
  background: rgba(184, 255, 0, 0.08);
}

.collection-tabs {
  position: relative;
  width: min(600px, 100%);
  margin: 24px auto 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.collection-tab {
  padding: 11px;
  color: rgba(233, 255, 255, 0.55);
  font-weight: 900;
  letter-spacing: 0.12em;
  border: 1px solid rgba(122, 220, 229, 0.22);
  border-radius: 2px;
  background: rgba(6, 10, 22, 0.74);
}

.collection-tab.active {
  color: #051312;
  border-color: var(--psy-cyan);
  background: var(--psy-cyan);
  box-shadow: 0 0 20px rgba(58, 242, 255, 0.3);
}

.collection-progress {
  position: relative;
  width: min(600px, 100%);
  height: 5px;
  margin: 0 auto;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
}

.collection-progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--psy-cyan), var(--psy-lime));
  box-shadow: 0 0 12px var(--psy-cyan);
  transition: width 500ms ease;
}

.collection-guide {
  position: relative;
  width: min(600px, 100%);
  margin: 13px auto 22px;
  color: rgba(226, 246, 248, 0.58);
  font-size: 0.72rem;
  line-height: 1.6;
  text-align: center;
}

.collection-guide span { color: var(--psy-lime); font-weight: 900; }

.collection-grid {
  position: relative;
  width: min(900px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 10px;
}

.reaction-card {
  --wire: rgba(120, 148, 158, 0.22);
  display: grid;
  grid-template-columns: 38px minmax(92px, 0.9fr) minmax(70px, 0.65fr) minmax(120px, 1.15fr);
  align-items: stretch;
  min-height: 86px;
  overflow: hidden;
  border: 1px solid rgba(115, 157, 168, 0.18);
  background: rgba(4, 8, 18, 0.8);
  animation: circuit-enter 420ms both;
  animation-delay: var(--card-delay);
}

.reaction-card.unlocked {
  --wire: var(--psy-cyan);
  border-color: rgba(60, 245, 255, 0.34);
  background: linear-gradient(90deg, rgba(28, 234, 225, 0.08), transparent 58%), rgba(4, 8, 18, 0.92);
  box-shadow: inset 3px 0 var(--psy-cyan), 0 0 14px rgba(28, 234, 225, 0.07);
}

.reaction-number {
  display: grid;
  place-items: center;
  color: rgba(203, 234, 238, 0.32);
  font: 700 0.62rem ui-monospace, "SFMono-Regular", Menlo, monospace;
  writing-mode: vertical-rl;
  border-right: 1px solid rgba(115, 157, 168, 0.14);
}

.reaction-inputs {
  padding: 10px 7px;
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  gap: 2px;
  text-align: center;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.78rem;
  font-weight: 800;
}

.reaction-inputs span {
  padding: 3px 4px;
  overflow-wrap: anywhere;
  border: 1px solid var(--wire);
  background: rgba(50, 220, 220, 0.04);
}

.reaction-inputs i {
  color: var(--wire);
  font-style: normal;
  line-height: 0.8;
}

.reaction-process {
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  justify-items: center;
}

.reaction-line {
  width: 100%;
  height: 1px;
  background: var(--wire);
}

.reaction-process b {
  padding: 3px 5px;
  color: var(--wire);
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
  border: 1px solid var(--wire);
}

.unlocked .reaction-line,
.unlocked .reaction-process b { box-shadow: 0 0 8px var(--psy-cyan); }

.reaction-output {
  position: relative;
  margin: 8px;
  padding: 8px;
  color: rgba(219, 238, 240, 0.35);
  text-align: left;
  border: 1px solid rgba(123, 155, 164, 0.2);
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.025);
}

.reaction-output small {
  display: block;
  margin-bottom: 3px;
  font-size: 0.48rem;
  letter-spacing: 0.16em;
}

.reaction-output strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: clamp(0.73rem, 2.8vw, 0.95rem);
}

.unlocked .reaction-output {
  color: #07120f;
  border-color: var(--psy-lime);
  background: var(--psy-lime);
  box-shadow: 0 0 15px rgba(184, 255, 0, 0.28);
}

.unlocked .reaction-output::after {
  content: "›";
  position: absolute;
  top: 50%;
  right: 7px;
  transform: translateY(-50%);
  font-size: 1.25rem;
}

.compound-detail {
  width: min(480px, calc(100% - 30px));
  padding: 26px;
  color: #ecffff;
  border: 1px solid var(--psy-cyan);
  border-radius: 3px;
  background: radial-gradient(circle at top right, rgba(255, 45, 149, 0.18), transparent 35%), #080b18;
  box-shadow: 0 0 40px rgba(38, 237, 242, 0.25);
}

.compound-detail::backdrop {
  background: rgba(1, 3, 10, 0.82);
  backdrop-filter: blur(5px);
}

.compound-detail-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  color: #071014;
  font-size: 1.3rem;
  font-weight: 900;
  border: 0;
  border-radius: 50%;
  background: var(--psy-cyan);
}

.compound-detail h3 {
  margin: 8px 36px 16px 0;
  color: var(--psy-lime);
  font-size: 1.5rem;
}

.compound-detail-formula {
  padding: 13px;
  color: #fff;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-weight: 800;
  line-height: 1.5;
  border-left: 3px solid var(--psy-cyan);
  background: rgba(39, 241, 238, 0.09);
}

.compound-detail-body {
  margin: 18px 0 0;
  color: rgba(235, 252, 255, 0.78);
  font-size: 0.9rem;
  line-height: 1.85;
}

.collection-action {
  color: #05201d;
  border-color: var(--psy-cyan);
  background: var(--psy-cyan);
}

@keyframes circuit-enter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 700px) {
  .collection-grid { grid-template-columns: 1fr 1fr; }
  .reaction-card {
    grid-template-columns: 32px minmax(86px, 0.9fr) 66px minmax(110px, 1.1fr);
  }
}