.save-button {
  background: linear-gradient(to bottom, #f1ede7, #e0dbd2);
  border: 1px solid #b0a58e;
  color: #5a4f3e;
  font-weight: bold;
  font-family: 'Noto Serif JP', serif;
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(100, 90, 70, 0.2);
  transition: all 0.2s ease;
}
.save-button:hover {
  background: linear-gradient(to bottom, #e0dbd2, #d3cec5);
  box-shadow: 0 4px 8px rgba(100, 90, 70, 0.3);
  transform: translateY(-1px);
}