Font randomly stopped respecting line height. This only happens for Aktiv Grotesk. Temporary solution is to set line height explicitly and change display to inline-block.

Multiple instances of other people experiencing this issue going back five years:

https://community.adobe.com/t5/adobe-fonts-discussions/all-projects-with-aktiv-grotesk-show-the-font-being-offset-vertically-see-images/m-p/10937009

https://forum.squarespace.com/topic/258936-sudden-change-in-hyperlink-underline-appearance/

No known reason for the font to begin rendering incorrectly.

New instance of the same previously reported issue:

https://adobefonts.uservoice.com/forums/940222-adobe-fonts-feature-requests-and-feedback/suggestions/47677325--urgent-aktiv-grotesk-improperly-offset-due-to