Financial income and expenses (Details) - JPY (¥) ¥ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Financial Income [Abstract] | |||
| Change in fair value of warrant liability | ¥ 312 | ¥ 1,435 | ¥ 0 |
| Net gain on sale of other financial assets (non-current assets) | 0 | 11 | 0 |
| Derivative gains | 0 | 9 | 61 |
| Others | 5 | 2 | 6 |
| Total | 318 | 1,457 | 67 |
| Financial Expenses [Abstract] | |||
| Impairment loss of other financial assets (non-current assets) | 17 | 4 | 11 |
| Interest expenses | 161 | 35 | 6 |
| Total | ¥ 178 | ¥ 39 | ¥ 17 |
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- Definition Financial Expenses No definition available.
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- Definition Financial Income No definition available.
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- Definition Gain On Derivative Financial Instruments No definition available.
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- Definition Increase (Decrease) In Far Value Of Warrant Liabilities No definition available.
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The gain on disposals of non-current assets. [Refer: Non-current assets] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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