.single-oshirase-date {
    color:rgb(64, 64, 64);
    padding: 0;
    margin: 0;
}

.entry-content.single-osirase-content {
    display: flex;
    gap: 20px;
}

.entry-content.single-osirase-content {
    margin: 50px 0 0 0;
    padding: 0;
}

.archive-thumb.single-osirase-content-thumb {
     flex: 1;
     align-items: start;
}

.archive-thumb.single-osirase-content-thumb .archive-thumb-link {
    align-items: start;
}

img.single-news-thumb-img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain !important;
}

.single-news-content {
    flex: 1;
    width: 100%;
    padding: 0;
    margin: 0;
}

.single-news-text {
    width: 100%;
    padding: 0;
    margin: 0;
}


.custom-post-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 50px 0;
    position: relative;
    z-index: 10;
}

.custom-post-nav .nav-left,
.custom-post-nav .nav-right {
    width: 45%;
}

.custom-post-nav .nav-right {
    text-align: right;
}

.custom-post-nav .nav-left a, 
.custom-post-nav .nav-right a {
    text-decoration: none;
    color: rgb(64, 64, 64);
}

.custom-post-nav .nav-left a:hover,
.custom-post-nav .nav-right a:hover{
    opacity: 0.5;
}

@media (max-width: 767px) {

    .entry-content.single-osirase-content {
        flex-direction: column;   /* ← 縦並びにする */
    }

    .archive-thumb.single-osirase-content-thumb,
    .single-news-content {
        width: 100%;
        flex: none;
    }

}