To learn Kana-Boon - ストラテジー chords, focus on the sequence of these chords: Dm, Gm, Eb, Dm, Gm, Bb, Eb, Gm, C and Gm. I suggest starting at a calm pace of 81 BPM, and as you gain confidence, approach the song's BPM of 162. To match your vocal range and chord inclination, adjust the capo in line with the key: C Minor.