main {
    background-color: white;
    height: 1300px;
    position: relative;
    z-index: 50;
    top: 100px;
}
@media screen and (max-width: 1590px) {
    main {
        top: 160px;
    }
}
@media screen and (max-width: 1000px) {
    main {
        top: 100px;
    }
}

a {
    text-decoration: none;
    color: black;
}


.takahama_img {
    max-width: 100%;
    height: auto;
}


.top_menu {
    display: flex;
    justify-content: space-around;
    padding-left: 20%;
    padding-top: 3%;
    align-items: center;
    max-width: 65%;
}


.top_menu li {
    list-style: none;
    text-align: center;
    font-size: 14px;
}

.top_menu li a {
    text-decoration: none;
}

.top_menu img {
    max-width: 70%;
    max-height: 70%;
    cursor: pointer;
}

.article {
    max-width: 67%;
    float: left;
    padding-left: 19%;
    padding-top: 3%;
}

.article img {
    padding-top: 2%;
    width: 226px;
    height: 196px;
}