Prepare and send a hand written resume on pre-formatted document that can be found in Japanese stationary store.
Once your resume is reviewed and if selected, you go to Headquarter office with own expense.
At the interview,3-4 managers will be there and they will ask you 5-6 basic HR questions.
It would last about 1hour.
Then, within a couple of weeks, HR will send you an email if they want to offer you the job or not.