body {
  text-align: center;
  font-family: 'Hiragino Sans', 'Meiryo', sans-serif;
  cursor: url('flyswatter.png') 30 30, auto; /* ホットスポット (30,30) は持ち手の先端付近を想定 */
  background-color: #f0f8ff;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

#game {
  width: 90vw;
  height: 75vh;
  max-width: 1500px;
  max-height: 900px;
  border: 2px solid #333;
  border-radius: 8px;
  margin: 10px auto;
  position: relative;
  background: #f0f8ff;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.fly {
  width: 100px;
  height: 100px;
  font-size: 60px;
  position: absolute;
  cursor: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s;
}

.fly:hover, .fly:focus {
  transform: scale(1.1);
  outline: none;
}
/* クリックエフェクト（リングが広がる）*/
.splat {
  position: absolute;
  pointer-events: none;
  width: 40px;
  height: 40px;
  border: 4px solid rgba(0, 0, 0, 0.7);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  animation: splat 300ms ease-out forwards;
}
@keyframes splat {
  to { transform: translate(-50%, -50%) scale(1.2); opacity: 0; }
}
/* 叩いた瞬間にカーソルを変える */
body.hit {
  cursor: url('flyswatter_2.png') 30 30, auto;
}
#start-screen {
  text-align: center;
  margin-top: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60vh;
}

#start-screen h1 {
  font-size: 3rem;
  margin-bottom: 2rem;
  color: #333;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

#start-button, #retry-button, #overlay-retry-button {
  padding: 12px 24px;
  font-size: 18px;
  cursor: pointer;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: all 0.3s;
}

#start-button:hover, #retry-button:hover, #overlay-retry-button:hover {
  background-color: #45a049;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#start-button:active, #retry-button:active, #overlay-retry-button:active {
  transform: translateY(1px);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* 結果オーバーレイスタイルは削除 */

.new-high-score {
  color: #ff9800;
  font-weight: bold;
  font-size: 22px !important;
  animation: pulse 1s infinite alternate;
}

@keyframes pulse {
  from { transform: scale(1); }
  to { transform: scale(1.05); }
}
/* 1粒が飛び散るアニメ */
.burst {
  position: absolute;
  width: 25px;
  height: 25px;
  background: rgb(255, 215, 0);          /* 金色 ※好みで */
  border-radius: 50%;
  pointer-events: none;
  animation: particle 400ms ease-out forwards;
  z-index: 150;                 /* ハエより手前に */
  box-shadow: 0 0 5px rgba(255, 215, 0, 0.8);
}

@keyframes particle {
  to {
    transform: translate(var(--dx), var(--dy)) scale(0.2);
    opacity: 0;
  }
}

/* スコアボード */
#scoreboard {
  background-color: rgba(255, 255, 255, 0.8);
  padding: 10px 20px;
  border-radius: 8px;
  margin: 10px auto;
  font-size: 20px;
  font-weight: bold;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: inline-block;
}

#score, #time {
  color: #e91e63;
  font-size: 24px;
}

/* 結果エリア */
#result-area {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  padding: 30px;
  background-color: rgba(255, 255, 255, 0.95);
  border: 2px solid #333;
  border-radius: 10px;
  max-width: 500px;
  min-width: 300px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  text-align: center;
  z-index: 100;
}

#result-area h2 {
  color: #333;
  margin-top: 0;
  font-size: 28px;
}

#result-area p {
  font-size: 20px;
  margin: 15px 0;
}

.highlight-score {
  font-size: 32px;
  font-weight: bold;
  color: #e91e63;
}

.main-button {
  margin-top: 20px;
  padding: 12px 30px;
  font-size: 20px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: all 0.3s;
}

.main-button:hover {
  background-color: #45a049;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.main-button:active {
  transform: translateY(1px);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  #game {
    width: 95vw;
    height: 70vh;
  }
  
  #start-screen h1 {
    font-size: 2rem;
  }
  
  #scoreboard {
    font-size: 16px;
  }
  
  #score, #time {
    font-size: 20px;
  }
  
  .result-overlay {
    padding: 20px;
    min-width: 250px;
  }
  
  .result-overlay p {
    font-size: 16px;
  }
  
  .result-overlay strong {
    font-size: 22px;
  }
}