.jackad-header__image-sp{display:block;width:100%;height:100px;overflow:hidden}.jackad-header__image-pc{display:block;width:100%;height:250px;overflow:hidden}.jackad-side-column{display:block;width:300px;height:250px;margin-bottom:20px}.jackad-side-column__image{display:block;width:100%}