v3.26.1
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 | ¥         122,540,262   122,540,262
Ending balance, value at Mar. 31, 2025 | ¥   ¥ 80,500,000   748,840,080   ¥ (100,012,265)   434,067,908   1,163,395,723
Ending balance, shares at Mar. 31, 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 | ¥         124,328,004   124,328,004
Ending balance, value at Mar. 31, 2026   ¥ 409,833,241   ¥ 786,906,631   ¥ (100,012,265)   ¥ 874,315,267 $ 12,390,262 ¥ 1,971,042,874
Ending balance, shares at Mar. 31, 2026 | shares 26,560,660 26,560,660     (400,041) (400,041)        
Ending balance, shares at Mar. 31, 2026 | shares 26,560,660 26,560,660     (400,041) (400,041)        
Ending balance, value at Mar. 31, 2026 | $ $ 2,576,271   $ 4,946,610   $ (628,692)   $ 5,496,073   $ 12,390,262