すみません、このラーメンは豚肉を使っていますか？ — Excuse me, does this ramen use pork? (Restaurant · Ramen, Formal — to staff, JLPT N4)

Gesture & etiquette

Pointing to the specific ramen on the menu.

Be aware that even if the visible toppings don't include pork, the broth might be pork-based (e.g., tonkotsu). It's always best to ask if you have dietary restrictions.