Notch is a feature for Macbook Air M2. There are some simple ways to hide the notch without any app.
Version
macOS Ventura
外観
ウインドウで壁紙の色合い調整を許可：false
Ventura allows wallpaper tinting in windows by default. It may cause the color of the menu bar to change to the wallpaper
アクセシビリティ
透明度を下げるあ：true
Ventura has the transparency for menu bar by default. It may cause the color of the menu bar to change to the wallpaper
Conclusion
- With appropriate settings, we can hide the notch with ease