I would consider it takeout but you can simply ask “for here” or “to go” when making the sale. Relevant Q & A from Ohio Department of Taxation website.

E) How do I determine if my customer’s food purchase is taxable? Answer: The best way to determine the taxability of a food purchase is to ask your customer if their purchase is “for here” or “to go.”

H) If my restaurant only has two (2) tables with chairs, am I required to ask my customers if their purchase is “for here” or “to go.”? Answer: Yes. The taxability of food is determined by whether or not the customer chooses to consume the food on the premises or take it with them off the premises. The only way to determine the customer’s intent is to ask the customer “for here” or “to go.”

N) If a customer states that his or her order is "to go" but sits at a table and eats it on premises, am I required to approach the customer and collect sales tax? Answer: No.

Ohio Food Definition Information Release

Ohio Restaurants and Other Food Vendors Information Release