Togusa's own options for 'authority figure' were Ichirou himself, and Detective Gabranth. So, he is completely off his guard.

"You're here-" early? No, but something is off. Togusa curiously tilts his head at Matsuoka's attire. "On the clock, or off the clock?"

"Ah, thanks." He reaches for the chocolate without even thinking, looking at the Detective, rather than paying any attention to what he's doing.