To appropriately notify information of a control channel configuration domain in a radio communication system that uses a synchronization signal block, one aspect of a user terminal according to the present invention includes: a reception section that receives a Synchronization Signal (SS) block including given bit information indicating a configuration of a control resource set; and a control section that decides contents of the given bit information according to a subcarrier-spacing and/or a frequency band applied to transmission of the SS block, and controls reception of a downlink control channel.