.page-mobile-sealing .entry-content { 
    counter-reset: footnotes;
    /* background-image: url(https://aya-gyousei-yuj.com/wp-content/uploads/2023/09/icon.jpg); */
    /* background-size: cover; */
    /* background-position: center; */
    background-color: #f8f8f880;
    background-blend-mode: lighten;
    padding-bottom: 10px;
    background-size: calc(100% - 250px) auto;
    background-position: center;
    background-repeat: no-repeat;

}