門口 translates to 日本語 as "門口" (also pronounced as "monkuchi" in some contexts). However, in a more common usage, it might be understood as "入り口" (iriguchi), meaning "entrance".
メニュー
キッチン
座位区
辣椒 (spicy peppers) in Japanese is: 辣椒 (ラージャオ) or simply 辣椒 (とうがらし).
鶏肉カレー
牛肉カレー + ネギ油餅
配料自由取 translates to 日本語 as "Ingredients can be taken freely."