First, please try Steam's troubleshooting guide by clicking on the link below:
https://help.steampowered.com/en/faqs/view/21F5-8D5D-0141-7A5E
If the issue is not resolved after trying the above, please tap “Update” on the left side of the title screen and repair the game files for “Persona5: The Phantom X” to see whether the problem can be resolved.
In addition, please confirm that your PC meets the system requirements for “Persona5: The Phantom X.”
■PC(Steam/Google Play Games)
〇Minimum
Operating System: Windows® 11 64 bit
CPU: Intel® Core™ i3-8100
Memory: 8 GB RAM or Higher
Hard Disk/SSD Available Space: 70 GB or Higher
Graphics: NVIDIA® GeForce® GTX 750Ti 2G
DirectX: Version 11
〇Recommended
Operating System: Windows® 11 64 bit
CPU: Intel® Core™ i5-8500
Main Memory: 16 GB RAM or Higher
Hard Disk/SSD Available Space: 70 GB or Higher
Graphics Card: NVIDIA® GeForce® GTX 1060 6G
DirectX: Version 12