.preg-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.preg-table th,
.preg-table td {
  border: 1px solid #ccc;
  padding: 10px;
  text-align: center;
  white-space: nowrap;
}

.preg-table th {
  background: #f5f5f5;
  font-weight: bold;
}

.mutsu_reserve_start12{
  background: #ffeff3;
}

@media (max-width: 600px) {
  .preg-table {
    font-size: 13px;
  }

  .preg-table th,
  .preg-table td {
    padding: 8px 4px;
  }
}