.col2 {
    max-width: 1120px;
    width: 100%;
    margin-inline: auto;
    padding-inline: 15px;
    display: flex;
    background-color: beige;
    background-color: white;
}

.col2 main {
    background-color: aquamarine;
    background-color: white;
    flex-grow: 1;
}

.col2 main article {
    margin-inline-end: 30px;
    background-color: cadetblue;
    background-color: white;
}
.col2 aside {
    background-color: cornflowerblue;
    background-color: white;
    flex-basis: 220px;
    flex-shrink: 0;
}

.col2 aside ul {
    list-style: none;
    margin: 0 0 0 20px;
    font-size: 13px;
}

.col2 aside ul li {
    border-bottom: solid 1px #DDDDDD;
}

.col2 aside ul li a {
    display: block;
    width: 100%;
    padding: 12px 0 12px 5px;
    background-color: gold;
    background-color: white;
}

.col2 aside ul li.li-ttl {
    color: white;
    font-weight: bold;
    font-size: 14px;
    padding: 5px 0 5px 10px;
    background-color: #4098D4;
    border-bottom: none;
}