Search for Japanese restaurants using the `hpp` CLI (HotPepper Gourmet API). Use when the user wants to find a restaurant, plan a dinner, search for izakayas, or book a group meal in Japan. Triggers on requests like "find a restaurant near Shibuya", "search for izakayas in 新宿", "restaurant for 10 people in 浜松町", "dinner spot near Tokyo station".
Find Japanese restaurants using the hpp CLI (HotPepper Gourmet API).