v3.25.1
Cover - USD ($)
 12 Months Ended
Sep. 30, 2024
Mar. 31, 2024
Cover [Abstract]    
Entity Registrant Name ARCULUS SYSTEM CO., LTD.  
Entity Central Index Key 0001828739  
Document Type 10-K  
Amendment Flag false  
Entity Voluntary Filers No  
Current Fiscal Year End Date --09-30  
Entity Well Known Seasoned Issuer No  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company true  
Entity Current Reporting Status Yes  
Document Period End Date Sep. 30, 2024  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus FY  
Document Fiscal Year Focus 2024  
Entity Ex Transition Period false  
Entity Common Stock Shares Outstanding 4,058,167  
Entity Public Float   $ 0
Document Annual Report true  
Document Transition Report false  
Document Fin Stmt Error Correction Flag false  
Entity File Number 333-252535  
Entity Incorporation State Country Code NV  
Entity Tax Identification Number 98-1511882  
Entity Address Address Line 1 4695 MacArthur Court  
Entity Address Address Line 2 11th Floor  
Entity Address City Or Town Newport Beach  
Entity Address State Or Province CA  
Entity Address Postal Zip Code 92660  
City Area Code 949  
Auditor Name MICHAEL GILLESPIE & ASSOCIATES, PLLC  
Auditor Location Vancouver, Washington  
Auditor Firm Id 6108  
Local Phone Number 289-6789  
Entity Interactive Data Current Yes