How to fix font issues with accents and special characters?

Store Design
1

Hello,

I’m having a problem with the font for accents and special characters on my website.

The font does not apply to these elements:

Capture d’écran 2023-09-20 à 16.26.51.png
Capture d’écran 2023-09-20 à 16.26.51.png948×597 297 KB

Capture d’écran 2023-09-20 à 16.26.23.png
Capture d’écran 2023-09-20 à 16.26.23.png628×392 19.4 KB

Capture d’écran 2023-09-20 à 16.26.44.png
Capture d’écran 2023-09-20 à 16.26.44.png1376×263 70.2 KB

Can you help me solve this problem?

Thanks in advance,
Valentine