@media screen and (min-width: 781px) {
  /* ==== align ==== */
  div.aligncenter,
  p.aligncenter {
    text-align: center;
  }
  div.alignright,
  p.alignleft {
    text-align: left;
  }
  div.alignright,
  p.alignright {
    text-align: right;
  }
  img.aligncenter {
    display: block;
    margin: 1em auto;
  }
  img.alignleft {
    float: left;
    margin: 0 1em 1em 0;
  }
  img.alignright {
    float: right;
    margin: 0 0 1em 1em;
  }
  table.aligncenter {
    margin: 1em auto;
  }
  /* ==== キャプション ==== */
  .wp-caption {
    background: none;
    border: none;
    display: block;
  }
  .wp-caption.aligncenter {
    margin: 1em auto;
  }
  .wp-caption.alignleft {
    float: left;
    margin: 0 1em 0 0;
  }
  .wp-caption.alignright {
    float: right;
    margin: 0 0 0 1em;
  }
  .wp-caption-text {
    font-size: 0.8em;
    margin-bottom: 0 !important;
    padding: 5px 0;
    text-align: center;
  }
}

/*-------------------------------------------------------------------------------------------------------
*********************************************************************************************************
*********************************************************************************************************
******
****** SPスタイル
******
*********************************************************************************************************
*********************************************************************************************************
-------------------------------------------------------------------------------------------------------*/

@media screen and (max-width: 780px) {
  /* ==== align ==== */
  div.aligncenter,
  p.aligncenter {
    text-align: center;
  }
  div.alignright,
  p.alignleft {
    text-align: left;
  }
  div.alignright,
  p.alignright {
    text-align: right;
  }
  img.aligncenter,
  img.alignleft,
  img.alignright,
  img[class*='wp-image-'],
  img[class*='attachment-'] {
    display: block;
    margin: 1em auto;
  }
  table.aligncenter {
    margin: 1em auto;
  }
  /* ==== キャプション ==== */
  .wp-caption {
    background: none;
    border: none;
    display: block;
    width: 100% !important;
  }
  .wp-caption.aligncenter,
  .wp-caption.alignleft,
  .wp-caption.alignright {
    margin: 1em auto;
  }
  .wp-caption-text {
    font-size: 0.8em;
    margin-bottom: 0 !important;
    padding: 5px 0;
    text-align: center;
  }
}