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v3.26.1

Commitments and contingencies - Schedule of undrawn commitment (Details) - JPY (¥) ¥ in Millions | Mar. 31, 2026 | Mar. 31, 2025
--- | --- | ---
Disclosure of detailed information about borrowings [line items] |  |
Balance of executed borrowed commitment line | ¥ 2,758 | ¥ 751
Monex Finance Corporation and JSF Trust and Banking Co., Ltd |  |
Disclosure of detailed information about borrowings [line items] |  |
Total amount of commitment line borrowing |  | 8,900
Balance of executed borrowed commitment line |  | 751
Balance of undrawn commitment line |  | ¥ 8,149
Monex Finance Corporation, JSF Trust and Banking Co., Ltd. and Aozora Bank, Ltd. |  |
Disclosure of detailed information about borrowings [line items] |  |
Total amount of commitment line borrowing | 11,054 |
Balance of executed borrowed commitment line | 2,524 |
Balance of undrawn commitment line | ¥ 8,530 |

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