The Japan miracle growth was orchestrated by US to show that they can help Asian countries become prosperous.
The Japanese miracle from 1950 to 1975. Due to inflated land prices. Changes in accounting rules that allowed increasing prices as part of income. Those days were heydays in the feeling of prosperity and progress of Japan. The Japanese went on acquisition binge
And bubble burst in 1990. The stock market crashed, the real estate prices fell down. The Japanese faced the reality that they were not that wealthy. From this crash, Japan never recovered.
Japan has one of the highest debt to GDP ratio. (As USA). Despite their seeming opulence, Japan has economic and financial weakness.
It is a nice place to visit and value for money because of the low exchange rate for Japan.