@charset 'utf-8';


#subheader {
    background-image: url(../image/sign/subheader_sign.png);
}

#top_sign header h1 {
    background-image: url(../image/sign/header_sign.png);
}

.case_bt {
    font-size: 1.1rem;
}

.case_bt a {
    display: block;
    padding: 1.5em;
    background: #c3d100;
    color: #333;
    text-align: center;
    margin: 1em auto 3rem;
    max-width: 512px;
    width: 90%;
}

.case_bt a:hover {
    background: #DDD;
    text-decoration: none;
}

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

@media only screen and (min-width: 769px) {

    #sign .chapter .left {
        width: 430px;
        padding: 0;
    }

    #sign .chapter .left>.inner {
        width: 380px;
        padding: 0;
    }

    #sign .chapter .right {
        width: 450px;
        padding: 0;
    }

    #sign .chapter .numberline .sentence {
        padding-left: 105px;
    }

}