v3.26.3
UNAUDITED INTERIM CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY
Common Stock [Member]
USD ($)
shares
Common Stock [Member]
JPY (¥)
shares
Additional Paid-in Capital [Member]
USD ($)
Additional Paid-in Capital [Member]
JPY (¥)
Treasury Shares [Member]
USD ($)
shares
Treasury Shares [Member]
JPY (¥)
shares
Retained Earnings [Member]
USD ($)
Retained Earnings [Member]
JPY (¥)
USD ($)
JPY (¥)
Beginning balance, value at Dec. 31, 2024 | ¥   ¥ 80,500,000   ¥ 748,840,080   ¥ (100,012,265)   ¥ 311,527,646   ¥ 1,040,855,461
Beginning balance, shares at Dec. 31, 2024 | shares 25,310,660 25,310,660     (400,041) (400,041)        
Net income | ¥         53,706,198   53,706,198
Balance as of June 30, 2026 (JPY) at Jun. 30, 2025 | ¥   ¥ 80,500,000   748,840,080   ¥ (100,012,265)   365,233,844   1,094,561,659
Ending balance, shares at Jun. 30, 2025 | shares 25,310,660 25,310,660     (400,041) (400,041)        
Beginning balance, value at Dec. 31, 2025 | ¥   ¥ 409,833,241   786,906,631   ¥ (100,012,265)   749,987,263   1,846,714,870
Beginning balance, shares at Dec. 31, 2025 | shares 26,560,660 26,560,660     (400,041) (400,041)        
Net income | ¥         77,076,840   77,076,840
Balance as of June 30, 2026 (JPY) at Jun. 30, 2026   ¥ 409,833,241   ¥ 786,906,631   ¥ (100,012,265)   ¥ 827,064,103 $ 11,830,710 ¥ 1,923,791,710
Ending balance, shares at Jun. 30, 2026 | shares 26,560,660 26,560,660     (400,041) (400,041)        
Ending balance, shares at Jun. 30, 2026 | shares 26,560,660 26,560,660     (400,041) (400,041)        
Ending balance, value at Jun. 30, 2026 | $ $ 2,520,345   $ 4,839,227   $ (615,044)   $ 5,086,182   $ 11,830,710