Actually, it suddenly worked. Cleared the cache to access another site, and it appears to have fixed itself! Much appreciated!
// CUSTOM FONT H2
@font-face {
font-family: 'DomaineDisplay-MediumItalic';
src: url(https://static1.squarespace.com/static/63fe423ae838510284cc600a/t/653d4ba84a828f0d57e00f5b/1698515880826/DomaineDisplay-MediumItalic.otf);
}
h2 {
font-family: 'DomaineDisplay-MediumItalic';
letter-spacing: normal;}
