The Card Captor Sakura official website announced that the ED Theme song for the Clear Card Arc TV Anime adaptation will be performed by Saori Hayami.
The song is entitled Jewelry and it was both written and composed by Saori Hayami herself.
The 4-tracks single will be released on March 28 with two versions: CD only and CD+DVD. The jacket for the CD only version will feature a Clear Card arc anime illustration.
Source: Card Captor Sakura Official Website.