/* .about .cmn_sub_ttl {
    max-width: 170px;
} */
.about__item_ttl {
    background-color: #222;
    color: #fff;
    text-align: center;
    padding: 40px 0;
    font-size: 24px;
    font-weight: bold;
}
.about__wrap {
    padding: 0 20px;
}
.about__about_au .about__wrap {
    margin: 50px 0 60px;
}
.about__txt {
    margin-bottom: 40px;
    font-size: 16px;
    line-height: 1.6;
}
.about__introduction .about__wrap {
    margin-top: 30px;
}
.about__intro_box {
    margin-bottom: 100px;
}
.about__intro_txt_area .about__txt:last-child {
    margin-bottom: 0;
}
.about__name {
    font-size: 16px;
    font-weight: bold;
    margin-top: 25px;
    margin-bottom: 15px;
}
.about__plz {
    margin-top: 100px;
    background-color: #222;
}
.about__plz_ttl {
    font-size: 24px;
    text-align: center;
    color: #fff;
    line-height: 1.3;
    padding-top: 80px;
    padding-bottom: 20px;
    margin-bottom: 25px;
    border-bottom: 4px solid #fff;
}
.about__plz_txt {
    font-size: 16px;
    line-height: 1.6;
    color: #fff;
}
.about__plz_sns {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    padding-bottom: 80px;
}
.about__plz_sns_btn {
    margin-right: 60px;
    width: 80px;
}
.about__plz_sns_btn:last-child {
    margin-right: 0;
}
@media screen and (min-width: 768px) {
    .about__wrap {
        padding: 0;
        max-width: 720px;
        margin: 0 auto;
    }
    .about__about_au .about__wrap {
        margin: 50px auto 60px;
    }
    .pc_flex {
        display: flex;
        flex-wrap: wrap;
    }
    .about__intro_box {
        width: calc((100% - 20px)/2);
        margin-right: 20px;
        margin-bottom: 0;
    }
    .about__intro_box:last-child {
        margin-right: 0;
    }
}