body {
  background: #f0f0f0;
  font-family: sans-serif;
  text-align: center;
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 90vh;
  margin: 0;
}

h1 {
  margin-bottom: 15px;
  color: #333;
  font-size: 28px;
}

canvas {
  background: #fff8e7;
  border: 2px solid #999;
  display: block;
  margin: 0 auto 15px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}

p {
  font-size: 20px;
  font-weight: bold;
  color: #333;
  margin: 10px 0;
}

#score {
  color: #ff6600;
  font-size: 24px;
}

.title-link {
  text-decoration: none;
  color: #333;
  position: relative;
  transition: color 0.3s ease;
}

.title-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -3px;
  left: 0;
  background-color: #ff6600;
  transition: width 0.3s ease;
}

.title-link:hover {
  color: #ff6600;
}

.title-link:hover::after {
  width: 100%;
}