I want to take a vacation to japan, what is the first step to doing so?

Question:

like...how can i get a passport? and approximately how much would it cost?

Answer:

See
http://travel.state.gov/passport/get/fir…

Get your passport, gets lots of money ready, pick out where you plan to stay, pack your stuff and you are off.
I get the feeling though that you are quite a ways yet from being able to do that though....