There was hot spa inside station, quite interesting. What is written on it ?

https://i2.wp.com/saywhatjapan.com/wp-content/uploads/2018/04/DSC_0795-768x432-1.jpg?fit=768%2C432https://i2.wp.com/saywhatjapan.com/wp-content/uploads/2018/04/DSC_0795-768x432-1.jpg?resize=150%2C150TSHOSPITAL, OTHERShot,Kami-Suwa,platform,sta,stationThere was hot spa inside station, quite interesting. What is written on it ?- POST PHOTO ! HELP TRANSLATE JAPANESE ! ALL FREE !! -