When you travel by rail or air in Japan, check out the English version of
Norikae-Annai (乗換案内) provided by Jorudan. This is a Train Route Finder.
Type in station names, date and seat type, and you'll find out how to get to your destination.
For mobile web access using i-mode (
NTT DoCoMo), EZWeb (
au by KDDI) or Yahoo! Keitai (
SoftBank), follow the directions
here.
The
Japanese version offers more services.