d-flex justify-content-start

html bootstrap5 Sample

flex横の均等配置/左詰めで整列：justify-content-start

flex文字01
flex文字02
flex文字03
  <div class="d-flex justify-content-start">
    <div>flex文字01</div>
    <div>flex文字02</div>
    <div>flex文字03</div>
  </div>