@charset "utf-8";

nav {
    width: 100%;
    height: 80px;
    position: fixed;
    top: 0;
    left: 0;
    border-right: none;
    border-bottom: solid 3px #ccc;
    background-color: #F0F0FF;
    z-index: 1000;
}

nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding-left: 0;
    margin: 0;
}

nav ul li:first-child {
    width: 33%;
}

nav ul li:nth-child(2) {
    width: 33%;
}

nav ul li:nth-child(3) {
    width: 33%;
}

nav ul li:nth-child(4) {
    width: 50%;
}

nav ul li:last-child {
    width: 50%;
}

nav ul li {
    text-align: center;
    padding: 10px 0;
    margin: 0;
}

#nav_top {
    margin-top: 0;
}

#main {
    position: static;
    width: 100%;
    margin-top: 85px;
    left: 0;
    border-left: none;
}

#index_contents {
    float: none;
    width: 100%;
    margin: 0 auto;
    /* padding: 0 10px; */
}

#profile {
    width: 100%;
    float: none;
}

.main_contents {
    padding: 0;
}

.image_right {
    float: none;
    display: block;
    margin: 10px auto;
    padding-left: 0;
}