.b-detail-tour__head-picture {
    display: block;
}

.b-detail-tour__head-picture .b-detail-tour__head-pwrap {
    display: block;
    width: 100%;
}

.b-detail-tour__head-picture img {
    display: block;
    width: 100%;
    height: 220px;
    object-fit: cover;
    object-position: center;
}

@media (min-width: 768px) {
    .b-detail-tour__head-picture img {
        height: 400px;
    }
}