#miniGameContainer {
  text-align: center;
  margin: 50px auto;
  max-width: 500px;
  padding: 20px;
  background: #f9f9f9;
  border-radius: 20px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.08);
  font-family: 'Arial', 'Hiragino Kaku Gothic ProN', sans-serif;
}

.game-title {
  font-size: 1.6em;
  color: #333;
  margin-bottom: 10px;
}

.game-title small {
  display: block;
  font-size: 0.85em;
  color: #888;
}

.game-description {
  font-size: 1em;
  color: #555;
  margin-bottom: 15px;
}

#scoreBoard {
  font-size: 1.1em;
  margin: 15px 0;
  color: #333;
}

#startBtn {
  margin-bottom: 20px;
  padding: 12px 28px;
  background: #333;
  color: white;
  border: none;
  border-radius: 30px;
  font-size: 1.1em;
  cursor: pointer;
  transition: background 0.3s;
}

#startBtn:hover {
  background: #555;
}

#gameArea {
  position: relative;
  width: 100%;
  height: 320px;
  background: #ffffff;
  border: 2px solid #ccc;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.05);
}

#target {
  width: 60px;
  height: 60px;
  position: absolute;
  top: 0;
  left: 0;
  display: none;
  cursor: pointer;
  transition: top 0.2s, left 0.2s;
}

#pointPopup {
  position: absolute;
  color: #D70413;
  font-size: 1.2em;
  font-weight: bold;
  opacity: 0;
  transition: transform 0.6s ease-out, opacity 0.6s ease-out;
  pointer-events: none;
  z-index: 10;
}