I will make a leap of faith here - given that the Courtyard at Tokyo Station also has a Lavarock Cafe / Bar, my guess is that the arrangements may be similar.

At check in as golds, we were given vouchers for food and drinks in the Lavarock when we checked in - this included food and alcoholic drinks in the evening, as well as a very nice buffet breakfast.

We had a beer and a calzone one evening and breakfast both mornings we were there. In addition to this IIRC, there was an area in the 'Library', which was next to reception, where there was a fridge that golds and plats could help themselves to small snacks, soft drinks and fruit.

We didn't spend too much time in the hotel, so can't say if there are limits to the amount of food and drink that your vouchers will entitle you to, but it was a nice hotel.

Even though we liked the Courtyard in Tokyo - the Osaka Marriott is still the best Marriott I have ever stayed in so, even though it is a bit of a schlep from the Shin Osaka Bullet train station, we will certainly be heading back there next time we are in Osaka.

Nick