【表紙】

 

【提出書類】

有価証券報告書

【根拠条文】

金融商品取引法第24条第1項

【提出先】

関東財務局長

【提出日】

2024年6月28日

【事業年度】

第6期(自 2023年4月1日 至 2024年3月31日)

【会社名】

ITbookホールディングス株式会社

【英訳名】

ITbook Holdings Co.,Ltd.

【代表者の役職氏名】

代表取締役社長  前 俊守

【本店の所在の場所】

東京都江東区豊洲三丁目2番24号

【電話番号】

03-6770-9970 (代表)

【事務連絡者氏名】

上席執行役員管理本部長兼CFO  野間 崇

【最寄りの連絡場所】

東京都江東区豊洲三丁目2番24号

【電話番号】

03-6770-9970 (代表)

【事務連絡者氏名】

上席執行役員管理本部長兼CFO  野間 崇

【縦覧に供する場所】

株式会社東京証券取引所

(東京都中央区日本橋兜町2番1号)

 

E34165 14470 ITbookホールディングス株式会社 ITbook Holdings Co.,Ltd. 企業内容等の開示に関する内閣府令 第三号様式 Japan GAAP true CTE CTE 2023-04-01 2024-03-31 FY 2024-03-31 2022-04-01 2023-03-31 2023-03-31 1 false false false E34165-000 2024-06-28 jpcrp030000-asr_E34165-000:KazunoriNakaokaMember E34165-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E34165-000 2024-06-28 jpcrp_cor:Row5Member E34165-000 2024-06-28 jpcrp_cor:Row4Member E34165-000 2024-06-28 jpcrp_cor:Row3Member E34165-000 2024-06-28 jpcrp_cor:Row2Member E34165-000 2024-06-28 jpcrp_cor:Row1Member E34165-000 2024-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsOtherMember E34165-000 2024-03-31 jpcrp_cor:SharesWithFullVotingRightsTreasurySharesEtcMember E34165-000 2024-03-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsTreasurySharesEtcMember E34165-000 2024-03-31 jpcrp_cor:SharesWithFullVotingRightsOtherMember E34165-000 2024-03-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsOtherMember E34165-000 2024-03-31 jpcrp_cor:SharesLessThanOneUnitMember E34165-000 2024-03-31 jpcrp_cor:OrdinarySharesSharesLessThanOneUnitMember E34165-000 2023-03-31 jppfs_cor:CapitalSurplusMember E34165-000 2023-03-31 jppfs_cor:CapitalStockMember E34165-000 2022-03-31 jppfs_cor:NonControllingInterestsMember E34165-000 2022-03-31 jppfs_cor:SubscriptionRightsToSharesMember E34165-000 2022-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E34165-000 2022-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E34165-000 2022-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E34165-000 2022-03-31 jppfs_cor:ShareholdersEquityMember E34165-000 2022-03-31 jppfs_cor:TreasuryStockMember E34165-000 2022-03-31 jppfs_cor:RetainedEarningsMember E34165-000 2022-03-31 jppfs_cor:CapitalSurplusMember E34165-000 2022-03-31 jppfs_cor:CapitalStockMember E34165-000 2021-04-01 2022-03-31 jppfs_cor:NonConsolidatedMember E34165-000 2021-03-31 jppfs_cor:NonConsolidatedMember E34165-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember E34165-000 2020-03-31 jppfs_cor:NonConsolidatedMember E34165-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember E34165-000 2023-03-31 jpcrp030000-asr_E34165-000:HumanResourceBusinessReportableSegmentsMember E34165-000 2022-04-01 2023-03-31 jpcrp030000-asr_E34165-000:HumanResourceBusinessReportableSegmentsMember E34165-000 2023-04-01 2024-03-31 jpcrp030000-asr_E34165-000:HumanResourceBusinessReportableSegmentsMember E34165-000 2024-03-31 jpcrp030000-asr_E34165-000:HumanResourceBusinessReportableSegmentsMember E34165-000 2019-04-01 2020-03-31 E34165-000 2020-03-31 E34165-000 2024-06-28 E34165-000 2024-03-31 E34165-000 2023-04-01 2024-03-31 E34165-000 2023-03-31 E34165-000 2022-04-01 2023-03-31 E34165-000 2022-03-31 E34165-000 2022-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E34165-000 2022-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E34165-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E34165-000 2024-06-28 jpcrp030000-asr_E34165-000:FusaoMitaniMember E34165-000 2024-03-31 jpcrp_cor:OrdinaryShareMember E34165-000 2024-03-31 jpcrp_cor:SharesWithNoVotingRightsMember E34165-000 2024-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsTreasurySharesEtcMember E34165-000 2023-04-01 2024-03-31 jpcrp030000-asr_E34165-000:OverseasBusinessReportableSegmentsMember E34165-000 2023-04-01 2024-03-31 jpcrp030000-asr_E34165-000:WarrantyAndInspectionBusinessReportableSegmentsMember E34165-000 2023-04-01 2024-03-31 jpcrp030000-asr_E34165-000:GroundInvestigationAndGroundImprovementBusinessReportableSegmentsMember E34165-000 2023-04-01 2024-03-31 jpcrp030000-asr_E34165-000:SystemDevelopmentBusinessReportableSegmentsMember E34165-000 2023-04-01 2024-03-31 jpcrp030000-asr_E34165-000:ConsultationBusinessReportableSegmentsMember E34165-000 2024-03-31 jpcrp_cor:Row4Member E34165-000 2024-03-31 jpcrp_cor:Row3Member E34165-000 2024-03-31 jpcrp_cor:Row2Member E34165-000 2024-03-31 jpcrp_cor:Row1Member E34165-000 2024-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E34165-000 2023-04-01 2024-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E34165-000 2024-03-31 jpcrp030000-asr_E34165-000:ConstructionTechnologyBusinessMember E34165-000 2023-04-01 2024-03-31 jpcrp030000-asr_E34165-000:ConstructionTechnologyBusinessMember E34165-000 2023-03-31 jpcrp_cor:Row1Member E34165-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E34165-000 2024-03-31 jppfs_cor:SubscriptionRightsToSharesMember jppfs_cor:NonConsolidatedMember E34165-000 2024-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E34165-000 2024-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E34165-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E34165-000 2024-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E34165-000 2024-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E34165-000 2023-04-01 2024-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E34165-000 2024-03-31 jpcrp_cor:No10MajorShareholdersMember E34165-000 2024-03-31 jpcrp_cor:No9MajorShareholdersMember E34165-000 2024-03-31 jpcrp_cor:No8MajorShareholdersMember E34165-000 2024-03-31 jpcrp_cor:No7MajorShareholdersMember E34165-000 2024-03-31 jpcrp_cor:No6MajorShareholdersMember E34165-000 2022-04-01 2023-03-31 jpcrp030000-asr_E34165-000:ConstructionTechnologyBusinessMember E34165-000 2023-03-31 jpcrp030000-asr_E34165-000:ConstructionTechnologyBusinessMember E34165-000 2024-03-31 jppfs_cor:CapitalStockMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:NonControllingInterestsMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:SubscriptionRightsToSharesMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:ShareholdersEquityMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:TreasuryStockMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:RetainedEarningsMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:CapitalSurplusMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:CapitalStockMember E34165-000 2023-03-31 jppfs_cor:NonControllingInterestsMember E34165-000 2023-03-31 jppfs_cor:SubscriptionRightsToSharesMember E34165-000 2023-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E34165-000 2023-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E34165-000 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E34165-000 2023-03-31 jppfs_cor:ShareholdersEquityMember E34165-000 2023-03-31 jppfs_cor:TreasuryStockMember E34165-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:ShareholdersEquityMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:TreasuryStockMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:RetainedEarningsMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:CapitalSurplusMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:CapitalStockMember E34165-000 2024-03-31 jppfs_cor:NonControllingInterestsMember E34165-000 2024-03-31 jppfs_cor:SubscriptionRightsToSharesMember E34165-000 2024-03-31 jpcrp030000-asr_E34165-000:SystemDevelopmentBusinessReportableSegmentsMember E34165-000 2024-03-31 jpcrp030000-asr_E34165-000:ConsultationBusinessReportableSegmentsMember E34165-000 2023-04-01 2024-03-31 jpcrp_cor:OutsideDirectorsAndOtherOfficersMember E34165-000 2023-04-01 2024-03-31 jpcrp_cor:CorporateAuditorsExcludingOutsideCorporateAuditorsMember E34165-000 2023-04-01 2024-03-31 jpcrp_cor:DirectorsExcludingOutsideDirectorsMember E34165-000 2022-04-01 2023-03-31 jpcrp030000-asr_E34165-000:OverseasBusinessReportableSegmentsMember E34165-000 2022-04-01 2023-03-31 jpcrp030000-asr_E34165-000:WarrantyAndInspectionBusinessReportableSegmentsMember E34165-000 2022-04-01 2023-03-31 jpcrp030000-asr_E34165-000:GroundInvestigationAndGroundImprovementBusinessReportableSegmentsMember E34165-000 2022-04-01 2023-03-31 jpcrp030000-asr_E34165-000:SystemDevelopmentBusinessReportableSegmentsMember E34165-000 2022-04-01 2023-03-31 jpcrp030000-asr_E34165-000:ConsultationBusinessReportableSegmentsMember E34165-000 2024-03-31 jppfs_cor:NonConsolidatedMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember E34165-000 2023-03-31 jppfs_cor:NonConsolidatedMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember E34165-000 2023-03-31 jppfs_cor:RetainedEarningsMember E34165-000 2024-03-31 jppfs_cor:CapitalSurplusMember E34165-000 2022-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E34165-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E34165-000 2024-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E34165-000 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E34165-000 2024-03-31 jppfs_cor:ShareholdersEquityMember E34165-000 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E34165-000 2024-03-31 jppfs_cor:TreasuryStockMember E34165-000 2024-03-31 jppfs_cor:RetainedEarningsMember E34165-000 2023-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E34165-000 2022-04-01 2023-03-31 jpcrp_cor:ReportableSegmentsMember E34165-000 2022-04-01 2023-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E34165-000 2021-04-01 2022-03-31 E34165-000 2021-03-31 E34165-000 2020-04-01 2021-03-31 E34165-000 2024-06-28 jpcrp030000-asr_E34165-000:TakeshiAzumaMember E34165-000 2024-06-28 jpcrp030000-asr_E34165-000:ChikakoMorimotoMember E34165-000 2024-06-28 jpcrp030000-asr_E34165-000:TakehiroSakaguchiMember E34165-000 2022-03-31 jppfs_cor:NonConsolidatedMember E34165-000 2024-06-28 jpcrp_cor:OrdinaryShareMember E34165-000 2024-03-31 jpcrp_cor:ReportableSegmentsMember E34165-000 2024-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E34165-000 2024-03-31 jpcrp_cor:CorporateSharedMember jppfs_cor:NonConsolidatedMember E34165-000 2023-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E34165-000 2022-04-01 2023-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E34165-000 2024-06-28 jpcrp030000-asr_E34165-000:NishiyamaYasushiMember E34165-000 2024-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E34165-000 2024-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E34165-000 2023-03-31 jppfs_cor:SubscriptionRightsToSharesMember jppfs_cor:NonConsolidatedMember E34165-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E34165-000 2023-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E34165-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E34165-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E34165-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E34165-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E34165-000 2023-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E34165-000 2024-06-28 jpcrp030000-asr_E34165-000:KenjiOkadaMember E34165-000 2023-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E34165-000 2022-04-01 2023-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:NonControllingInterestsMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:SubscriptionRightsToSharesMember E34165-000 2023-04-01 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E34165-000 2024-03-31 jpcrp_cor:No5MajorShareholdersMember E34165-000 2024-03-31 jpcrp_cor:No4MajorShareholdersMember E34165-000 2024-03-31 jpcrp_cor:No3MajorShareholdersMember E34165-000 2024-03-31 jpcrp_cor:No2MajorShareholdersMember E34165-000 2024-03-31 jpcrp_cor:No1MajorShareholdersMember E34165-000 2023-03-31 jpcrp030000-asr_E34165-000:OverseasBusinessReportableSegmentsMember E34165-000 2023-03-31 jpcrp030000-asr_E34165-000:WarrantyAndInspectionBusinessReportableSegmentsMember E34165-000 2023-03-31 jpcrp030000-asr_E34165-000:GroundInvestigationAndGroundImprovementBusinessReportableSegmentsMember E34165-000 2023-03-31 jpcrp030000-asr_E34165-000:SystemDevelopmentBusinessReportableSegmentsMember E34165-000 2023-03-31 jpcrp030000-asr_E34165-000:ConsultationBusinessReportableSegmentsMember E34165-000 2024-03-31 jpcrp030000-asr_E34165-000:OverseasBusinessReportableSegmentsMember E34165-000 2024-03-31 jpcrp030000-asr_E34165-000:WarrantyAndInspectionBusinessReportableSegmentsMember E34165-000 2024-03-31 jpcrp030000-asr_E34165-000:GroundInvestigationAndGroundImprovementBusinessReportableSegmentsMember E34165-000 2024-06-28 jpcrp030000-asr_E34165-000:KiyoshiMatsubaMember E34165-000 2024-06-28 jpcrp030000-asr_E34165-000:IsaoTsukamotoMember E34165-000 2024-03-31 jpcrp_cor:CorporateSharedMember E34165-000 2024-03-31 jpcrp_cor:OtherOperatingSegmentsAxisMember E34165-000 2023-04-01 2024-03-31 jpcrp_cor:ReportableSegmentsMember E34165-000 2023-04-01 2024-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E34165-000 2023-03-31 jpcrp_cor:ReportableSegmentsMember E34165-000 2024-06-28 jpcrp030000-asr_E34165-000:ToshimoriMaeMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E34165-000 2022-04-01 2023-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E34165-000 2022-03-31 jppfs_cor:SubscriptionRightsToSharesMember jppfs_cor:NonConsolidatedMember E34165-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E34165-000 2024-03-31 jpcrp_cor:Row5Member E34165-000 2024-03-31 jpcrp_cor:Row6Member iso4217:JPY xbrli:shares xbrli:shares xbrli:pure iso4217:JPY