Shall we go and see the facilities on each floor of Terminal 1 ?
This is a map of Terminal 1.
On the ground floor, there are JR & KEISEI stations. They will take you to Tokyo and Kanto area smoothly.
On the 1st floor, you'll see the International Arrival Lobby.
On the 4th floor you'll see the International Departure Lobby and
On the 5th floor you'll see restaurants and shops.