.main-sub-ttl {
    font-family: 'LineSeedJP', sans-serif;
    letter-spacing: 0.1em;
    margin: 0 0 10rem;
}

.main-sub-ttl h3 {
    color: var(--main-color-green);
    text-align: center;
    margin: 8.7rem auto 0;
    font-size: 3.6rem;
}

.main-sub-ttl .main-txt {
    text-align: center;
    margin: 1rem auto 0;
    position: relative;
}

.main-sub-ttl .main-txt::before,
.main-sub-ttl .main-txt::after {
    content: "";
    position: absolute;
    display: block;
    height: 22rem;
}

.main-sub-ttl .main-txt::before {
    background: url(../images/concept/female.png);
    width: 14.4rem;
    background-size: 100%;
    background-repeat: no-repeat;
    left: 17rem;
    top: -8rem;
}

.main-sub-ttl .main-txt::after {
    background: url(../images/concept/male.png);
    width: 14.6rem;
    top: -8rem;
    background-size: 100%;
    background-repeat: no-repeat;
    right: 17rem;
}

/* ============================= */
/* concept */
.concept-ttl{
    background: url(../images/concept/mv.png) !important;
    background-size: 120% !important;
    background-position-x: center !important;
}
.concept-ttl span{
    color: #fff !important;
}
.concept-content {
    padding: 10rem 0;
}

.concept-content-inner {
    width: 120rem;
    margin: 0 auto;
}

.concept-content-inner img {
    width: 60rem;
}

.concept-content-block-txt img {
    width: 17.6rem;
}

.concept-content:nth-child(3) .concept-content-block:nth-child(2) .main-txt {
    width: 29.7rem;
    margin: 0 0 0 4rem;
}

.concept-content-inner .concept-content-block:nth-child(2) {
    margin: 6rem 0 4rem;
}

.concept-content-block {
    justify-content: space-between;
    align-items: center;
    width: 120rem;
    margin: 0 auto;
}

.concept-content-block-txt {
    width: 52rem;
}

.concept-content-numb {
    font-size: 9.6rem;
    text-align: right;
    font-weight: 700;
    margin: 0 0 2rem;
}

.concept-content:first-child {
    border-radius: 0 122px 0 0;
}

.concept-content:nth-child(3) {
    border-radius: 122px 0 0 0;
}

.concept-content:first-child .concept-content-numb,
.concept-content:nth-child(3) .concept-content-numb {
    color: #fff;
}

.concept-content:nth-child(2) .concept-content-numb,
.concept-content:nth-child(4) .concept-content-numb {
    color: var(--main-color-green);
}

.concept-content h3 {
    font-size: 3.6rem;
    font-weight: 700;
    margin: 0 0 1.5rem;
}

.concept-content:first-child h3,
.concept-content:nth-child(3) h3 {
    color: var(--main-color-yellow);
}

.concept-content:nth-child(2) h3,
.concept-content:nth-child(4) h3 {
    color: var(--main-color-black);
}

.concept-content:nth-child(4) h3 {
    position: relative;
}

.concept-content:nth-child(4) h3::before {
    content: "";
    display: block;
    background: url(../images/concept/text-y.svg);
    background-size: 100%;
    position: absolute;
    width: 23.8rem;
    right: 19rem;
    top: -8rem;
    height: 100%;
}

.concept-content:first-child .main-txt,
.concept-content:nth-child(3) .main-txt {
    color: #fff;
}

.concept-content:first-child .btn-m p,
.concept-content:nth-child(3) .btn-m p {
    color: #fff;
}

.concept-content-ttl p,
.concept-content-ttl h3 {
    text-align: center;
}

.concept-content ul {
    justify-content: space-between;
    width: 120rem;
    margin: 5rem auto;
    white-space: nowrap;
    align-items: center;
}

.concept-content ul li {
    width: 27rem;
}

.concept-content ul li:first-child img {
    width: 20rem;
    margin: 0 5rem 0;
}


.concept-content ul li p {
    text-align: center;
    margin: 5rem 0 0;
}

/* ================================ */
/* ================================ */
/* for sp */

@media only screen and (max-width: 750px) {
    .concept-content-inner {
        width: 75rem;
    }
    .concept-ttl{
        background-size: 150% !important;
    }
    .concept-content-block {
        width: 100%;
        flex-direction: column-reverse;
    }

    .concept .fl-reverse {
        flex-direction: column-reverse;
    }

    .main-sub-ttl .main-txt::before {
        width: 11.4rem;
        left: 4rem;
        top: -10rem;
    }

    .main-sub-ttl .main-txt::after {
        width: 12.6rem;
        top: 12rem;
        right: 4rem;
    }

    .concept-content {
        padding: 8rem 0;
    }

    .concept-content-inner {
        width: 67.5rem;
    }

    .concept-content-inner img{
        width: 100%;
    }
    .concept-content-block{
        width: 67.5rem;
    }

    .concept-content-block-txt {
        width: 100%;
        margin: 0 0 5rem;
    }

    .concept-content-block-txt img {
        width: 30%;
        height: 100%;
    }

    .concept-content:nth-child(3) .concept-content-block:nth-child(2) .main-txt {
        width: 40.7rem;
    }

    .concept-content-numb {
        text-align: left;
    }

    .concept-content:nth-child(3) .concept-content-numb,
    .concept-content:nth-child(3) .main-ttl {
        text-align: right;
    }

    .concept-content ul {
        width: 67.5rem;
        margin: 5rem auto 0;
        white-space: normal;
    }

    .concept-content ul li {
        width: 67.5rem;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        margin: 0 0 8rem;
    }

    .concept-content ul li img {
        width: 50% !important;
    }
    .concept-content:nth-child(4) h3::before{
        right: -1rem;
        top: -11rem;
    }
}