Schedule of Intangible Assets (Details) - JPY (¥) ¥ in Thousands |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Intangible Asset, Finite-Lived [Line Items] | ||
| Total intangible assets | ¥ 25,306 | ¥ 7,565 |
| Less: Accumulated amortization | (3,239) | (461) |
| Total intangible assets, net | 22,067 | 7,104 |
| Patents [Member] | ||
| Intangible Asset, Finite-Lived [Line Items] | ||
| Total intangible assets | 2,453 | 2,101 |
| Trademarks [Member] | ||
| Intangible Asset, Finite-Lived [Line Items] | ||
| Total intangible assets | 422 | 773 |
| Software [Member] | ||
| Intangible Asset, Finite-Lived [Line Items] | ||
| Total intangible assets | 16,753 | |
| Software – Work-in-progress [Member] | ||
| Intangible Asset, Finite-Lived [Line Items] | ||
| Total intangible assets | ¥ 5,678 | ¥ 4,691 |
| X | ||||||||||
- Definition Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, before accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|