Japan country main job and materials are missing.
Today I completed Sweden and started Japan, I could not see any materials or coins or main job of the country to get the legendary train. Nothing is present.
There should be gold top jobs that will build the tungsten mine. Unlike regions 5-9, regions 1-4 and region 10 use a slightly different storyline. You must work your way through the jobs to get resources and gold.
There's a lot more information about it in:
(note that I'm only on level 170, so I can't verify the information in that thread, but a lot of it is written by users of this forum that are very trustworthy.
Thanks for the update