ま真maっす直suぐguま真maっすぐssugu
1.
Describing a path or movement that follows a single, unbending trajectory without deviation or turns.
2.
Indicating a manner of honesty or straightforwardness, where there is no attempt to conceal anything or mislead.
3.
Referring to a posture or alignment that is vertical, lacking any slouch or bend, conveying a sense of firmness or stability.
Example:
あなたはきのう放課後まっすぐ帰宅しましたか。