I received 30 USD for ANA Platinum, not sure if the same applies to first class, I remember it arrives a day before departure.
Dear ANA customers,
We sincerely apologize for the inconvenience of our limited lounge services.
In exchange with lounge access, please accept the online meal voucher via your registered email or SMS. The online meal voucher can be used at the café in the SFO terminal before your flight departure. If you haven’t received the online meal voucher, please contact ANA San Francisco representatives.
Thank you very much for flying with ANA at San Francisco airport.
*The meal voucher is valid at Napa Farms Market (5:00 a.m. – 1:00 a.m.) and Tomokazu (8:00 a.m. – 12:00 a.m.).
*UA lounge information: URL