* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  font-family: 'Zen Maru Gothic', 'Hiragino Kaku Gothic Pro', sans-serif;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px;
  overflow: hidden;
}

#game-wrapper {
  width: 100%;
  max-width: 800px;
  text-align: center;
}

/* ===== タイトル ===== */
.game-title {
  font-family: 'Hachi Maru Pop', cursive;
  font-size: 28px;
  color: #fff;
  text-shadow: 3px 3px 0 rgba(0,0,0,0.2);
  margin-bottom: 4px;
}

.game-subtitle {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 20px;
}

/* ===== 共通ボックス ===== */
.setup-box {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(12px);
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 24px;
  padding: 32px;
}

.setup-box h2 {
  font-family: 'Hachi Maru Pop', cursive;
  font-size: 22px;
  color: #fff;
  margin-bottom: 20px;
}

/* ===== モード選択 ===== */
.mode-select, .online-choice {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.mode-btn {
  width: 200px;
  padding: 24px 16px;
  border-radius: 20px;
  border: 2px solid rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.1);
  color: #fff;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.mode-btn:hover {
  background: rgba(255,255,255,0.25);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.mode-btn--small {
  width: 170px;
  padding: 18px 14px;
}

.mode-icon { font-size: 36px; }
.mode-label {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 1px;
}
.mode-desc {
  font-size: 11px;
  opacity: 0.7;
}

/* ===== ローカル人数選択 ===== */
.player-select {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}

.player-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 18px;
  font-weight: 900;
  font-family: 'Zen Maru Gothic', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
}

.player-btn:hover {
  background: rgba(255,255,255,0.35);
  transform: scale(1.1);
  border-color: #fff;
}

.player-btn:active { transform: scale(0.95); }

.key-info {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.key-info p {
  color: rgba(255,255,255,0.7);
  font-size: 13px;
}

kbd {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 4px;
  padding: 1px 7px;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900;
  font-size: 14px;
  color: #fff;
}

.setup-hint, .lobby-hint {
  color: rgba(255,255,255,0.6);
  font-size: 12px;
  line-height: 1.8;
  margin-top: 8px;
}

/* ===== オンラインロビー ===== */
.room-code-box {
  margin: 20px 0;
}

.room-code-label {
  color: rgba(255,255,255,0.6);
  font-size: 12px;
  margin-bottom: 6px;
}

.room-code {
  font-family: 'Hachi Maru Pop', cursive;
  font-size: 36px;
  color: #ffd700;
  letter-spacing: 6px;
  text-shadow: 0 0 12px rgba(255,215,0,0.4);
  margin-bottom: 8px;
  user-select: all;
}

.copy-btn {
  padding: 4px 16px;
  font-size: 12px;
  border-radius: 12px;
  opacity: 0.8;
}

.member-list {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 16px 0;
  min-height: 50px;
}

.member-tag {
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  padding: 8px 16px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.member-tag .member-chara { font-size: 20px; }

.join-label {
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  margin-bottom: 10px;
}

.code-input {
  display: block;
  margin: 0 auto 12px;
  width: 220px;
  padding: 10px 16px;
  font-size: 20px;
  font-family: 'Hachi Maru Pop', cursive;
  text-align: center;
  background: rgba(0,0,0,0.2);
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 12px;
  color: #ffd700;
  letter-spacing: 4px;
  outline: none;
}

.code-input::placeholder {
  color: rgba(255,255,255,0.3);
  font-size: 14px;
  letter-spacing: 2px;
}

.code-input:focus {
  border-color: #ffd700;
  box-shadow: 0 0 12px rgba(255,215,0,0.3);
}

.status-text {
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  margin-top: 10px;
  min-height: 20px;
}

.status-text.error { color: #ff8a8a; }
.status-text.success { color: #8aff8a; }

.back-link {
  font-size: 12px !important;
  padding: 6px 16px !important;
  opacity: 0.6;
  margin-top: 16px !important;
  display: inline-block;
}

/* ===== カウントダウン ===== */
#countdown-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

#countdown-number {
  font-family: 'Hachi Maru Pop', cursive;
  font-size: 140px;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 40px rgba(255,255,255,0.5);
  animation: countPulse 1s ease-in-out infinite;
}

@keyframes countPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

/* ===== バトル画面 ===== */
#battle-timer {
  font-family: 'Hachi Maru Pop', cursive;
  font-size: 48px;
  color: #fff;
  text-shadow: 0 0 20px rgba(255,255,255,0.4);
  margin-bottom: 4px;
}

#battle-timer.urgent {
  color: #ff4;
  animation: timerPulse 0.4s ease-in-out infinite;
}

@keyframes timerPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

#battle-label {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 20px;
  letter-spacing: 4px;
}

#player-lanes {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ===== プレイヤーレーン ===== */
.player-lane {
  width: 160px;
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 16px;
  padding: 16px 12px;
  transition: all 0.1s;
}

.player-lane.flash {
  background: rgba(255,255,255,0.3);
  border-color: rgba(255,255,255,0.6);
}

.player-lane.me {
  border-color: rgba(255,215,0,0.6);
  box-shadow: 0 0 12px rgba(255,215,0,0.2);
}

.lane-name {
  font-size: 14px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 4px;
  letter-spacing: 2px;
}

.lane-key {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 12px;
}

.lane-bar-container {
  width: 100%;
  height: 200px;
  background: rgba(0,0,0,0.2);
  border-radius: 10px;
  position: relative;
  overflow: hidden;
  margin-bottom: 8px;
}

.lane-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0%;
  border-radius: 10px;
  transition: height 0.15s ease-out;
}

.lane-bar--p1 { background: linear-gradient(180deg, #ff6b8a, #ff3366); }
.lane-bar--p2 { background: linear-gradient(180deg, #4ecdc4, #2ab7a9); }
.lane-bar--p3 { background: linear-gradient(180deg, #ffd166, #ffaa00); }
.lane-bar--p4 { background: linear-gradient(180deg, #a78bfa, #7c3aed); }

.lane-count {
  font-family: 'Hachi Maru Pop', cursive;
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  text-shadow: 2px 2px 0 rgba(0,0,0,0.2);
}

.lane-chara {
  font-size: 36px;
  margin-bottom: 6px;
}

/* ===== リザルト画面 ===== */
.result-box {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(12px);
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 24px;
  padding: 32px;
}

.result-box h2 {
  font-family: 'Hachi Maru Pop', cursive;
  font-size: 28px;
  color: #fff;
  margin-bottom: 20px;
}

#result-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.result-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 10px 20px;
  opacity: 0;
  animation: resultIn 0.5s ease-out forwards;
}

.result-row:nth-child(1) { animation-delay: 0.3s; }
.result-row:nth-child(2) { animation-delay: 0.6s; }
.result-row:nth-child(3) { animation-delay: 0.9s; }
.result-row:nth-child(4) { animation-delay: 1.2s; }

.result-row.winner {
  background: rgba(255,215,0,0.25);
  border: 2px solid rgba(255,215,0,0.5);
}

@keyframes resultIn {
  0% { opacity: 0; transform: translateX(-20px); }
  100% { opacity: 1; transform: translateX(0); }
}

.result-rank-num {
  font-family: 'Hachi Maru Pop', cursive;
  font-size: 22px;
  font-weight: 900;
  color: #ffd700;
  min-width: 36px;
}

.result-name {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  flex: 1;
  text-align: left;
}

.result-score {
  font-family: 'Hachi Maru Pop', cursive;
  font-size: 22px;
  color: #fff;
}

#result-comment {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
  font-style: italic;
  min-height: 20px;
  opacity: 0;
  animation: fadeIn 0.5s 1.5s forwards;
}

@keyframes fadeIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

/* ===== ボタン共通 ===== */
button {
  padding: 12px 32px;
  font-size: 16px;
  font-weight: 700;
  font-family: 'Zen Maru Gothic', sans-serif;
  background: linear-gradient(180deg, rgba(255,255,255,0.3), rgba(255,255,255,0.1));
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 2px;
  margin: 4px;
}

button:hover {
  background: rgba(255,255,255,0.35);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

button:active { transform: translateY(1px); }

/* ===== 連打エフェクト ===== */
.tap-effect {
  position: fixed;
  pointer-events: none;
  z-index: 100;
  font-family: 'Hachi Maru Pop', cursive;
  font-size: 20px;
  font-weight: 900;
  color: #fff;
  text-shadow: 2px 2px 0 rgba(0,0,0,0.2);
  animation: tapPop 0.4s ease-out forwards;
}

@keyframes tapPop {
  0% { opacity: 1; transform: scale(0.5) translateY(0); }
  50% { opacity: 1; transform: scale(1.2) translateY(-10px); }
  100% { opacity: 0; transform: scale(0.8) translateY(-30px); }
}

/* ===== 画面揺れ ===== */
.screen-shake { animation: shake 0.08s ease-out; }

@keyframes shake {
  0% { transform: translateX(0); }
  25% { transform: translateX(-2px); }
  50% { transform: translateX(2px); }
  75% { transform: translateX(-1px); }
  100% { transform: translateX(0); }
}

.hidden { display: none !important; }

/* ===== レスポンシブ ===== */
@media (max-width: 700px) {
  .player-lane { width: 120px; }
  .lane-bar-container { height: 150px; }
  .lane-count { font-size: 22px; }
  .lane-chara { font-size: 28px; }
  .mode-btn { width: 160px; padding: 18px 12px; }
}

@media (max-width: 520px) {
  body {
    align-items: flex-start;
  }

  #game-wrapper {
    padding-top: 32px;
  }

  .game-title {
    font-size: 22px;
  }

  #player-lanes { flex-wrap: wrap; }
  .player-lane { width: 140px; }

  .player-btn {
    width: 52px;
    height: 52px;
    font-size: 14px;
  }

  .player-select {
    gap: 8px;
    margin-bottom: 16px;
  }

  .setup-box {
    padding: 20px 16px;
  }

  .setup-box h2 {
    font-size: 18px;
    margin-bottom: 14px;
  }

  .mode-btn {
    width: 140px;
    padding: 14px 10px;
  }

  .mode-icon { font-size: 28px; }
  .mode-label { font-size: 14px; }
}

/* ===== モバイル連打ボタン ===== */
#mobile-tap-btn {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40vh;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  cursor: pointer;
}

#mobile-tap-btn:active {
  background: linear-gradient(180deg, rgba(255,255,255,0.15), rgba(255,255,255,0.4));
}

.mobile-tap-text {
  color: rgba(255,255,255,0.6);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 4px;
  pointer-events: none;
}

#mobile-tap-btn.hidden { display: none !important; }

/* ===== トップに戻るリンク ===== */
.back-to-top-link {
  position: fixed;
  top: 12px;
  left: 12px;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  z-index: 300;
  transition: color 0.2s;
}
.back-to-top-link:hover {
  color: #fff;
}