If you are using intra-mart Accel Platform 2023 Spring or later versions,
"Login Screen Two Column Design" is set by default.
To use the login screen of previous version, you can change it using the following method.
Remove the "Login Screen Two Column Design" module in IM-Juggling, create the WAR again, and deploy it.
Please check the following for detailed steps to change the module configuration.
■ intra-mart Accel Platform Setup Guide 10.3.1. Modification of module configuration
https://document.intra-mart.jp/library/iap/public/setup/iap_setup_guide/texts/create_war/change_module/index.html#id6
■ intra-mart Accel Platform Authentication Specifications 4.2.3. general user login screen
https://document.intra-mart.jp/library/iap/public/im_certification/im_certification_specification/texts/components/standard/login_page.html
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iAP/Accel Platform/2023 Spring(Gerbera) or later
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FAQID:1314