Hello,
It’s because of your custom CSS
https://prnt.sc/OyFX-mHHUByr
https://prnt.sc/LTeklgZeEfWT
If you want to make line-height bigger for these titles then you may add next custom CSS
.content-product .product-title {
--product-title-line-height: 5ex;
}
Example:
https://gyazo.com/9db2d9751b2f919bd2063a1b4cbc1a77
Regards