Taxes - Schedule of Reconciles the Japan Statutory Rate to the Company’s Effective Tax Rates (Details) |
12 Months Ended | ||||
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Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
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| Schedule of Reconciles the Japan Statutory Rate to the Company’s Effective Tax Rates [Abstract] | |||||
| Japanese statutory income tax rate | 34.60% | 30.60% | 30.60% | ||
| Non-deductible expenses | 1.50% | 2.00% | (1.20%) | ||
| Non-taxable income | (0.20%) | (1.80%) | |||
| Tax rate difference in non-Japan subsidiaries and different prefectures in Japan | (3.40%) | 2.60% | (1.60%) | ||
| Effect of change in tax rate | (7.60%) | ||||
| Change in valuation allowance | (1.30%) | (5.40%) | (5.90%) | ||
| Effects of consumption tax examination | [1] | (63.20%) | (22.20%) | (30.80%) | |
| Others | (0.80%) | ||||
| Effective tax rate | (39.60%) | 5.80% | (9.70%) | ||
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- Definition Non-taxable income. No definition available.
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- Definition Percentage of statutory income tax rate. No definition available.
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of reported income tax benefit (expense) from difference to income tax expense (benefit) computed by applying statutory federal (national) income tax rate to pretax income (loss) from continuing operation, attributable to other reconciling items. Excludes state and local income tax expense (benefit), federal tax expense (benefit), statutory income tax expense (benefit) outside of country of domicile, tax credit, nondeductible expense, deduction, income tax settlement, income tax contingency, and cross-border tax law. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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