麺は硬めでお願いします。 — I'd like the noodles firm, please. (Restaurant · Ordering, Formal — to staff, JLPT N5)

Gesture & etiquette

None specific, possibly a slight nod.

Some small, traditional shops might not offer customization. Always ask politely. Other common requests: スープをあっさりめに (sūpu o assari-me ni - broth lighter), 味が濃いめ/薄め (aji ga koime/usume - stronger/lighter taste).