#mainImg {
    background-image: url("../img/bg_main.png");
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}
#mainImg h2 {
    color: var(--color-white);
    font-size: max(26pt, 2.5vw);
    text-align: center;
    text-shadow: 0 0 6px rgba(0,0,0,1);
    position: relative;
    padding: 2.68em 0;
}
#mainImg h2::after {
    content: "";
}

#contents h3 {
    font-size: max(22pt, 2vw);
    font-weight: bold;
    text-align: center;
    margin-bottom: .5em;
}
#contents h3 u {
    font-weight: bold;
}

#contents a {
    color: #00f;
    text-decoration: underline;
}
#contents a:hover {
    text-decoration: none;
}

#topicPath {
    padding: 1em 0;
}
#topicPath ul {
    display: flex;
}
#topicPath ul > li {
    font-size: 80%;
}
#topicPath ul > li:not(:last-child)::after {
    padding: .2em;
    content: "＞";
}

@media screen and (max-width: 430px){
    /* #contents .innerWrap {
        padding-left: 20px;
        padding-right: 20px;
    } */
    #contents #topicPath .innerWrap {
        padding-left: 0;
        padding-right: 0;
    }
    #mainImg {
        min-height: 182px;
        /* background-size: contain; */
        background-size: 100% 182px;
        display: flex;
        justify-content: center;
        align-items: center;
        background-position: center top;
        margin-bottom: .2em;
    }
    #mainImg h2 {
        padding: 10px;
        font-size: 7.5vw;
        line-height: 1.4;
    }
    #topicPath {
        padding-block: 0;
    }
    #topicPath ul {
        overflow-x: scroll;
        overflow-y: hidden;
        word-break: keep-all;
        white-space: nowrap;
    }
}