How do I make a large table from desktop/web look good on mobile?

I am interested in what the best practice is to pack a table from web (desktop size) to mobile.

I got the table done on desktop, but need to pack it on mobile. I understand that something should be fixed, whether the top with Roles, or left side with Stages. There are 11 stages, and 4 roles. I need to pack it to a 320px wide artboard with 16px margins. The table is pretty tall so that is the issue.

Here it is: