Originally Posted by
booogle
We weren't sure how long to spend in Hiroshima, ...
booogle, you can just drop Hiroshima from your plan. Your transportation cost would then be about 30,000 JPY for the shinkansen from Tokyo and back to Yokohama. Cancel the Hilton res and now you have 14,000 JPY to spend on regional Kansai travel which is plenty. Go see Himeji Castle.