This is brilliant: a cafe with an ashi-yu (foot bath) so you can soak your feet while sipping coffee (¥250). There's food available, too; try the 'zari-bonara' (pasta carbonara with zarigani – freshwater crayfish; ¥950). Picture menu.
It's on the main drag running down the hill from the Akan Kohan Eco-Museum Centre towards the Ainu kotan.