CIK 0002007599
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_payable | {"unit": "JPY", "value": 67270000, "concept": "us-gaap:AccountsPayableCurrent"} | 2026-03-31 | sec_edgar |
| accounts_payable | {"unit": "JPY", "value": 137788000, "concept": "us-gaap:AccountsPayableCurrent"} | 2025-09-30 | sec_edgar |
| accounts_payable | {"unit": "JPY", "value": 113962000, "concept": "us-gaap:AccountsPayableCurrent"} | 2025-03-31 | sec_edgar |
| accounts_payable | {"unit": "JPY", "value": 368883000, "concept": "us-gaap:AccountsPayableCurrent"} | 2024-03-31 | sec_edgar |
| accounts_receivable | {"unit": "JPY", "value": 160729000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2026-03-31 | sec_edgar |
| accounts_receivable | {"unit": "JPY", "value": 71325000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2025-09-30 | sec_edgar |
| accounts_receivable | {"unit": "JPY", "value": 21412000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2025-03-31 | sec_edgar |
| accounts_receivable | {"unit": "JPY", "value": 84424000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2024-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 273000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEqui | 2026-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 123000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEqui | 2025-09-30 | sec_edgar |
| capex | {"unit": "JPY", "value": 7587000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEqu | 2025-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 7218000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEqu | 2024-09-30 | sec_edgar |
| capex | {"unit": "JPY", "value": 3339000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEqu | 2024-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 437000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEqui | 2023-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 479952000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingVa | 2026-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 597902000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingVa | 2025-09-30 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 112012000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingVa | 2025-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 243069000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingVa | 2024-09-30 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 471648000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingVa | 2024-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 451175000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingVa | 2023-03-31 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 479952000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashA | 2026-03-31 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 617372000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashA | 2025-09-30 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 131482000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashA | 2025-03-31 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 262539000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashA | 2024-09-30 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 491118000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashA | 2024-03-31 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 470645000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashA | 2023-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 1638906000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingA | 2026-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 1658498000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingA | 2025-09-30 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": -63566000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingAc | 2025-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": -38978000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingAc | 2024-09-30 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 346419000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingAc | 2024-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 307373000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingAc | 2023-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -48013000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingAc | 2026-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -5436000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingAct | 2025-09-30 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -13051000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingAc | 2025-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -7851000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingAct | 2024-09-30 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -8888000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingAct | 2024-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -10571000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingAc | 2023-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": -1242423000, "concept": "us-gaap:NetCashProvidedByUsedInOperating | 2026-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": -1167172000, "concept": "us-gaap:NetCashProvidedByUsedInOperating | 2025-09-30 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": -283019000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingA | 2025-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": -181750000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingA | 2024-09-30 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": -317058000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingA | 2024-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": -133764000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingA | 2023-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 45960000, "concept": "us-gaap:CommonStockSharesIssued"} | 2026-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 45960000, "concept": "us-gaap:CommonStockSharesIssued"} | 2025-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 42210000, "concept": "us-gaap:CommonStockSharesIssued"} | 2025-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 42210000, "concept": "us-gaap:CommonStockSharesIssued"} | 2025-01-07 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 42210000, "concept": "us-gaap:CommonStockSharesIssued"} | 2024-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 45960000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2026-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 45960000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2025-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 42210000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2025-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 42210000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2024-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 8760000, "concept": "us-gaap:CostOfRevenue"} | 2026-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 2898000, "concept": "us-gaap:CostOfRevenue"} | 2025-09-30 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 3936000, "concept": "us-gaap:CostOfRevenue"} | 2025-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 2396000, "concept": "us-gaap:CostOfRevenue"} | 2024-09-30 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 19848000, "concept": "us-gaap:CostOfRevenue"} | 2024-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 70622000, "concept": "us-gaap:CostOfRevenue"} | 2023-03-31 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 755014000, "concept": "us-gaap:AssetsCurrent"} | 2026-03-31 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 1325912000, "concept": "us-gaap:AssetsCurrent"} | 2025-09-30 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 277500000, "concept": "us-gaap:AssetsCurrent"} | 2025-03-31 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 709384000, "concept": "us-gaap:AssetsCurrent"} | 2024-03-31 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 719978000, "concept": "us-gaap:LiabilitiesCurrent"} | 2026-03-31 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 680585000, "concept": "us-gaap:LiabilitiesCurrent"} | 2025-09-30 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 526065000, "concept": "us-gaap:LiabilitiesCurrent"} | 2025-03-31 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 571931000, "concept": "us-gaap:LiabilitiesCurrent"} | 2024-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 45960000} | 2026-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 42210000} | 2025-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -33.2, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2026-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -15.5, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2025-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -12.7, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2025-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -6.6, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2024-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -16.1, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2024-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -12.3, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2023-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -33.2, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2026-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -15.5, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2025-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -12.7, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2025-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -6.6, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2024-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -16.1, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2024-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -12.3, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2023-03-31 | sec_edgar |
| gross_profit | {"unit": "JPY", "value": 602948000, "concept": "us-gaap:GrossProfit"} | 2026-03-31 | sec_edgar |
| gross_profit | {"unit": "JPY", "value": 251324000, "concept": "us-gaap:GrossProfit"} | 2025-09-30 | sec_edgar |
| gross_profit | {"unit": "JPY", "value": 671625000, "concept": "us-gaap:GrossProfit"} | 2025-03-31 | sec_edgar |
| gross_profit | {"unit": "JPY", "value": 351612000, "concept": "us-gaap:GrossProfit"} | 2024-09-30 | sec_edgar |
| gross_profit | {"unit": "JPY", "value": 673256000, "concept": "us-gaap:GrossProfit"} | 2024-03-31 | sec_edgar |
| gross_profit | {"unit": "JPY", "value": 12975000, "concept": "us-gaap:GrossProfit"} | 2023-03-31 | sec_edgar |
| industry_sic | {"code": "7370", "scheme": "SIC", "description": "Services-Computer Programming, Data Proc | sec_edgar | |
| intangible_assets | {"unit": "JPY", "value": 22067000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwil | 2026-03-31 | sec_edgar |
| intangible_assets | {"unit": "JPY", "value": 12305000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwil | 2025-09-30 | sec_edgar |
| intangible_assets | {"unit": "JPY", "value": 7104000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill | 2025-03-31 | sec_edgar |
| intangible_assets | {"unit": "JPY", "value": 1962000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill | 2024-03-31 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 8472000, "concept": "us-gaap:InterestExpenseNonoperating"} | 2026-03-31 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 7087000, "concept": "us-gaap:InterestExpenseNonoperating"} | 2025-09-30 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 25000, "concept": "us-gaap:InterestExpenseNonoperating"} | 2023-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": -1489414000, "concept": "us-gaap:NetIncomeLoss"} | 2026-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": -677602000, "concept": "us-gaap:NetIncomeLoss"} | 2025-09-30 | sec_edgar |
| net_income | {"unit": "JPY", "value": -534685000, "concept": "us-gaap:NetIncomeLoss"} | 2025-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": -277671000, "concept": "us-gaap:NetIncomeLoss"} | 2024-09-30 | sec_edgar |
| net_income | {"unit": "JPY", "value": -661966000, "concept": "us-gaap:NetIncomeLoss"} | 2024-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": -478633000, "concept": "us-gaap:NetIncomeLoss"} | 2023-03-31 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 2081845000, "concept": "us-gaap:OperatingExpenses"} | 2026-03-31 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 901512000, "concept": "us-gaap:OperatingExpenses"} | 2025-09-30 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 1205799000, "concept": "us-gaap:OperatingExpenses"} | 2025-03-31 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 628806000, "concept": "us-gaap:OperatingExpenses"} | 2024-09-30 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 1325054000, "concept": "us-gaap:OperatingExpenses"} | 2024-03-31 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 480992000, "concept": "us-gaap:OperatingExpenses"} | 2023-03-31 | sec_edgar |
| operating_income | {"unit": "JPY", "value": -1478897000, "concept": "us-gaap:OperatingIncomeLoss"} | 2026-03-31 | sec_edgar |
| operating_income | {"unit": "JPY", "value": -650188000, "concept": "us-gaap:OperatingIncomeLoss"} | 2025-09-30 | sec_edgar |
| operating_income | {"unit": "JPY", "value": -534174000, "concept": "us-gaap:OperatingIncomeLoss"} | 2025-03-31 | sec_edgar |
| operating_income | {"unit": "JPY", "value": -277194000, "concept": "us-gaap:OperatingIncomeLoss"} | 2024-09-30 | sec_edgar |
| operating_income | {"unit": "JPY", "value": -651798000, "concept": "us-gaap:OperatingIncomeLoss"} | 2024-03-31 | sec_edgar |
| operating_income | {"unit": "JPY", "value": -468017000, "concept": "us-gaap:OperatingIncomeLoss"} | 2023-03-31 | sec_edgar |
| operating_lease_liability | {"unit": "JPY", "value": 7822000, "concept": "us-gaap:OperatingLeaseLiability"} | 2026-03-31 | sec_edgar |
| operating_lease_liability | {"unit": "JPY", "value": 11379000, "concept": "us-gaap:OperatingLeaseLiability"} | 2025-09-30 | sec_edgar |
| operating_lease_liability | {"unit": "JPY", "value": 881000, "concept": "us-gaap:OperatingLeaseLiability"} | 2025-03-31 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 5660000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2026-03-31 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 6129000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2025-09-30 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 6946000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2025-03-31 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 1929000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2024-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": -1489414000, "concept": "us-gaap:IncomeLossFromContinuingOperatio | 2026-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": -677602000, "concept": "us-gaap:IncomeLossFromContinuingOperation | 2025-09-30 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": -534685000, "concept": "us-gaap:IncomeLossFromContinuingOperation | 2025-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": -277671000, "concept": "us-gaap:IncomeLossFromContinuingOperation | 2024-09-30 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": -661966000, "concept": "us-gaap:IncomeLossFromContinuingOperation | 2024-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": -478633000, "concept": "us-gaap:IncomeLossFromContinuingOperation | 2023-03-31 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": -3271899000, "concept": "us-gaap:RetainedEarningsAccumulatedDefic | 2026-03-31 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": -2460087000, "concept": "us-gaap:RetainedEarningsAccumulatedDefic | 2025-09-30 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": -1782485000, "concept": "us-gaap:RetainedEarningsAccumulatedDefic | 2025-03-31 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": -1247800000, "concept": "us-gaap:RetainedEarningsAccumulatedDefic | 2024-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 611708000, "concept": "us-gaap:RevenueFromContractWithCustomerExc | 2026-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 254222000, "concept": "us-gaap:RevenueFromContractWithCustomerExc | 2025-09-30 | sec_edgar |
| revenue | {"unit": "JPY", "value": 764933000, "concept": "us-gaap:Revenues"} | 2025-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 354008000, "concept": "us-gaap:RevenueFromContractWithCustomerExc | 2024-09-30 | sec_edgar |
| revenue | {"unit": "JPY", "value": 693104000, "concept": "us-gaap:RevenueFromContractWithCustomerExc | 2024-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 83597000, "concept": "us-gaap:RevenueFromContractWithCustomerExcl | 2023-03-31 | sec_edgar |
| rnd_expense | {"unit": "JPY", "value": 86158000, "concept": "us-gaap:ResearchAndDevelopmentExpense"} | 2025-03-31 | sec_edgar |
| rnd_expense | {"unit": "JPY", "value": 57304000, "concept": "us-gaap:ResearchAndDevelopmentExpense"} | 2024-09-30 | sec_edgar |
| rnd_expense | {"unit": "JPY", "value": 103440000, "concept": "us-gaap:ResearchAndDevelopmentExpense"} | 2024-03-31 | sec_edgar |
| rnd_expense | {"unit": "JPY", "value": 138322000, "concept": "us-gaap:ResearchAndDevelopmentExpense"} | 2023-03-31 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 2081845000, "concept": "us-gaap:SellingGeneralAndAdministrativeEx | 2026-03-31 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 901512000, "concept": "us-gaap:SellingGeneralAndAdministrativeExp | 2025-09-30 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 1119641000, "concept": "us-gaap:SellingGeneralAndAdministrativeEx | 2025-03-31 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 571502000, "concept": "us-gaap:SellingGeneralAndAdministrativeExp | 2024-09-30 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 1221614000, "concept": "us-gaap:SellingGeneralAndAdministrativeEx | 2024-03-31 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 342670000, "concept": "us-gaap:SellingGeneralAndAdministrativeExp | 2023-03-31 | sec_edgar |
| share_based_compensation | {"unit": "JPY", "value": 16368000, "concept": "us-gaap:ShareBasedCompensation"} | 2025-07-31 | sec_edgar |
| share_based_compensation | {"unit": "JPY", "value": 16368000, "concept": "us-gaap:ShareBasedCompensation"} | 2025-07-18 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 44870959, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2026-03-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 43775934, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2025-09-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 42210000, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2025-03-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 42210000, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2024-09-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 41127797, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2024-03-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 38882926, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2023-03-31 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 44870959, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2026-03-31 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 43775934, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2025-09-30 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 42210000, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2025-03-31 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 42210000, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2024-09-30 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 41127797, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2024-03-31 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 38882926, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2023-03-31 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": -616558000, "concept": "us-gaap:StockholdersEquity"} | 2026-03-31 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": 214844000, "concept": "us-gaap:StockholdersEquity"} | 2025-09-30 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": -651385000, "concept": "us-gaap:StockholdersEquity"} | 2025-03-31 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": -394371000, "concept": "us-gaap:StockholdersEquity"} | 2024-09-30 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": -116700000, "concept": "us-gaap:StockholdersEquity"} | 2024-03-31 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": 176832000, "concept": "us-gaap:StockholdersEquity"} | 2023-03-31 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": 302637000, "concept": "us-gaap:StockholdersEquity"} | 2022-03-31 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 814438000, "concept": "us-gaap:Assets"} | 2026-03-31 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 1377750000, "concept": "us-gaap:Assets"} | 2025-09-30 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 313972000, "concept": "us-gaap:Assets"} | 2025-03-31 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 743545000, "concept": "us-gaap:Assets"} | 2024-03-31 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 1430996000, "concept": "us-gaap:Liabilities"} | 2026-03-31 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 1162906000, "concept": "us-gaap:Liabilities"} | 2025-09-30 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 965357000, "concept": "us-gaap:Liabilities"} | 2025-03-31 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 860245000, "concept": "us-gaap:Liabilities"} | 2024-03-31 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 814438000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity"} | 2026-03-31 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 1377750000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity" | 2025-09-30 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 313972000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity"} | 2025-03-31 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 743545000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity"} | 2024-03-31 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 67270000} | 2026-03-31 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 137788000} | 2025-09-30 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 113962000} | 2025-03-31 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 368883000} | 2024-03-31 | sec_edgar |
| xbrl:AccountsReceivableNet | {"unit": "JPY", "value": 84424000} | 2025-03-31 | sec_edgar |
| xbrl:AccountsReceivableNet | {"unit": "JPY", "value": 81983000} | 2024-03-31 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"unit": "JPY", "value": 160729000} | 2026-03-31 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"unit": "JPY", "value": 71325000} | 2025-09-30 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"unit": "JPY", "value": 21412000} | 2025-03-31 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"unit": "JPY", "value": 84424000} | 2024-03-31 | sec_edgar |
| xbrl:AccountsReceivableNoncurrentAccruedInterestWriteoff | {"unit": "JPY", "value": 37690000} | 2025-03-31 | sec_edgar |
| xbrl:AccruedLiabilitiesCurrent | {"unit": "JPY", "value": 8378000} | 2026-03-31 | sec_edgar |
| xbrl:AccruedLiabilitiesCurrent | {"unit": "JPY", "value": 28268000} | 2025-09-30 | sec_edgar |
| xbrl:AccruedLiabilitiesCurrent | {"unit": "JPY", "value": 1614000} | 2025-03-31 | sec_edgar |
| xbrl:AccruedLiabilitiesCurrent | {"unit": "JPY", "value": 936000} | 2024-03-31 | sec_edgar |
| xbrl:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | {"unit": "JPY", "value": 6140000} | 2026-03-31 | sec_edgar |
| xbrl:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | {"unit": "JPY", "value": 5520000} | 2025-09-30 | sec_edgar |
| xbrl:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | {"unit": "JPY", "value": 4581000} | 2025-03-31 | sec_edgar |
| xbrl:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | {"unit": "JPY", "value": 2011000} | 2024-03-31 | sec_edgar |
| xbrl:AdditionalPaidInCapital | {"unit": "JPY", "value": 2578741000} | 2026-03-31 | sec_edgar |
| xbrl:AdditionalPaidInCapital | {"unit": "JPY", "value": 2598331000} | 2025-09-30 | sec_edgar |