/* ヘッダー */
.header-top {
    background-color: navy;
    background-image: none;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
}

/* ナビ */
.header-nav {
    background-color: #ffffff;
    font-size: 0.85em;
    margin-top: 0;
    margin-bottom: 0;
    padding-top: 3px;
    padding-bottom: 20px
}