Drop down menu interaction animation not working on live site

Hi there! I’m currently updating my website and have been struggling to get my dropdown menu for my portfolio button to work. I followed a Webflow University dropdown menu tutorial and it works great, however, only once and in the designer workspace– NOT live.

The animation for the on click doesn’t show on my live site, but the closing animation works. Any suggestions/advice is would be appreciated!

Here is my public share link: https://www.carteryamanishi.com/