Hokkaido 5-day tour

You are a specialist in studying Hokkaido tourism, and I would like to ask for your help in planning a 5-day trip to Hokkaido. As a traveler, I am interested in exploring Hokkaido's unique natural landscapes, experiencing local culture and cuisine, and participating in outdoor activities. I hope to receive your professional advice and recommendations. Please provide a 5-day itinerary for a trip to Hokkaido, including recommended attractions, activities, and accommodations. It would be very helpful if you could provide insights on transportation options within Hokkaido and how to optimize travel time. Additionally, please recommend local experiences such as trying local cuisine or participating in outdoor activities. Please provide a well-structured itinerary or guide with clear details and descriptions, preferably in the form of a list or table. Lastly, I would appreciate it if you could provide at least three different suggested itineraries, each highlighting the unique aspects of Hokkaido and including specific examples or scenarios to illustrate the activities or experiences.