Going to japan in October 23 need help

Hi all, I’m going to Japan very soon and am currently in a shortage of money , I can’t cancel the trip and a lot is already paid for like accommodation flights , universal etc.

I would really appreciate if someone could give me a spending estimate if possible , I will be in Japan for 21 days. I will spend 3 days in Osaka where I will be going to universal, 3 days in Kyoto , 2 days in Takayama while here I will visit shirikawa-go, 1 day in Nagoya here is just to get a flight to Okinawa the next day (flights already paid), 4 days in Okinawa (2 days in naha visiting towny areas, 2 days in onna to relax and also will rent a car to travel), Tokyo 3 days , 1 day Hakone ryokan(dinner and breakfast already paid for ) , 3 days Tokyo then we fly back home.

I’m more worried on how much food cost , transportation between cities and local transport and also attractions will cost. Any advice would be helpful , I have euros but can convert it to see cost , i will be limiting purchases of personal stuff or gifts can someone give me an estimate please .

Hi all just to clarify , I have rough estimates for example 420 for total transport per person , this includes city to city travel (Shinkansen only taken twice where necessary the rest is regular trains ) this also includes local transport for each city and a 50 buffer ,is this reasonable and what recommendations would you give , should I get a transport pass for each area or should I pay at the station or book in advance ?

For food I will only need roughly 20 days worth which will be a combination of snacks , from family mart 7/11 etc , I’ve seen most lunches are around 10-15 euro is this correct ? I just don’t have a dinner estimate price if anyone can shine some light on this?

by Flashy_Ad_3947