body {
    margin: 0;
}

.ba_img {
    background-image: url(../img/背景.png);
    background-size: cover;
    background-position: 75%;
    background-repeat: no-repeat;
    height: 84vh;

}

.logo {
    background: #2e4999;
    margin: 0;
}

.logo img {
    width: 100%;
}


.container img {
    width: 100%;
    height: auto;
    max-width: 100vw;
}

.menu {
    width: 80%;
    margin: auto;
    display: block;

}

.container {
    width: 90%;
    margin: 0 auto;
    padding: 16px;
}

.syougai {
    background: #0e6eb8;
    color: #fff;
    text-align: center;
    font-size: 20px;
    border-radius: 18px;
    margin: 0 10px;
    padding: 8px;
}


.tab {
    width: 100%;
    border-collapse: collapse;
}

.tab td {
    text-align: center;
}

.tab img {
    width: 100%;
    max-width: 200px;
    height: auto;
}