The name of your hotel should be:
Tokyu Stay Ginza Hotel.
Many trains depart from the Keikyu station(s) in HND,
continue beyond Sengakuji (A-07) onto Toei Subway Asakusa Line,
and make a stop at Higashi-ginza Station (A-11),
which is close to this hotel.
Trains departing from the Keikyu station go in several directions.
Among Keikyu - Toei through trains,
Airport Limited Express trains skip Higashi-ginza Station,
while Airport Express trains (without "Limited") make a stop there.
Please feel free to ask a Keikyu station attendant
which train you shroud take to get to Higashi-ginza Station.
For you to travel with an Ib transportation card,
the amount of the railway fare is 563 yen
(until September 30, i.e. before the raise in the consumption taxes).
You can buy a PASMO card at a ticket vending machine in the Keikyu station. https://www.japan-guide.com/e/e2359_003.html
When you get off your train at Higashi-ginza Station (A-11),
the ticket gate is near Cars Nos. 2 and 3,
which are the second and third from the tail of the train.
- Map in Japanese
of Higashi-ginza Stations (A-11, H-09) of Toei Subway and Tokyo Metro https://www.tokyometro.jp/station/yardmap_img/_station_%E6%9D%B1%E9%8A...
Toei Subway Higashi-ginza Station (A-11)
has two platforms separate by the directions of trains.
Your train from HND arrives at Track 2.
You get off the train, pass through the ticket gate,
and walk to the nearby elevator,
which brings you up to Exit A1 on the ground.
- Route from Exit A1 to your hotel suggested by Google Maps https://www.google.com/maps/dir/35.669924,139.7662012/35.6703042,139.7...