To learn ラックライフ - モーメント chords, focus on the sequence of these chords: C#, F#, G#, C#, A#m, G#m and C#. I suggest starting at a calm pace of 45 BPM, and as you gain confidence, approach the song's BPM of 91. With an eye on the song's key D Major, set the capo that best suits your vocal range.