One weight in a typeface (Ratio) is not syncing between TypeKit and website

This is a new one after years of successfully using Typekit.

I activated Ratio light, regular, and bold (300, 400, 700) in a project. The light and bold work great, but even hard-coding inline CSS, using both “400” and “regular” for font-weight, 400 defaults to 300, or light.

Inspector shows 400 in the Rules and Computed, but it’s still light.

Are there any ways to debug this kind of thing?

Thanks,

Brad