@charset "UTF-8" ;
/* ==============
header
=============== */
@media screen and (min-width:874px) {
    .nav__item:nth-of-type(5) {
        padding: 0 5px;
        width: 60px;
        transform: translateX(-5px);
        border-bottom: 0.5px solid var(--primary-black);
    }
}

/* ==============
main
=============== */
.lesson__content{
    margin-top: 25px;
}

.lesson__group {
    margin-top: 70px;
}

.lesson__subTtl {
    font-size: 1.4rem;
    display: flex;
    border-bottom: 0.5px solid var(--primary-black);
}

.lesson__photo {
    margin-top: 60px;
}

/* main pc */
@media screen and (min-width: 874px) {
    .btn--toContact {
        padding-top: 50px;
    }

    .lesson__photo {
        margin-top: 80px;
    }
}
/* pc 874px */



/* ==============
bg
=============== */
/* bg pc */
@media screen and (min-width: 874px) {
    .bg {
        display: block;
        background-image: url(../images/bg_pc.png);
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        width: 1440px;
        height: 2320px;
        position: fixed;
        top: -600px;
        left: 70%;
        transform: translateX(-50%);
        z-index: -50;
        }
}