@charset "utf-8";

.inner.about {
    width: 1240px;
}

.page_catch {
    margin-bottom: 163px;
}

/*  */
.about_sec {
    position: relative;
    margin: 0 0 91px;
}

.about_img {
    position: relative;
    margin-left: 251px;
    margin-right: calc(50% - 50vw);
    z-index: -5;
    clip-path: polygon(0px 0px, calc(100% - 102px) 0px, 100% 102px, 100% 100%, 102px 100%, 0px calc(100% - 102px));
}

.about_img img {
    display: block;
    width: 100%;
    height: 547px;
    vertical-align: bottom;
    object-fit: cover;
}

.about_txtbox {
    width: 617px;
    max-width: 100%;
    margin: 0 0 auto auto;
    position: relative;
    box-sizing: border-box;
    position: absolute;
    top: 0;
}

.about_txtbox::after {
    position: absolute;
    content: "";
    width: calc(100% + 66px);
    height: calc(100% + 50px);
    background: #FFF;
    margin: auto;
    z-index: -1;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -ms-transform: translate(-50%, -50%);
}

.about_txtbox h2 {
    margin: 20px 0 27px;
	font-size: 3.2rem;
}

.about_txtbox h3 {
    font-family: inherit;
    font-size: 2.6rem;
    font-weight: 500;
    line-height: 1.59;
    padding: 0;
    margin: 0 0 22px;
    border: none;
}

.about_txtbox p {
    letter-spacing: 0.05em;
    line-height: 1.875;
    margin-bottom: 0;
}

/*---------- nth-child(odd) ----------*/
.about_sec:nth-child(odd) .about_img {
    margin-left: calc(50% - 50vw);
    margin-right: 251px;
    clip-path: polygon(102px 0px, 100% 0px, 100% calc(100% - 102px), calc(100% - 102px) 100%, 0px 100%, 0px 102px);
}

.about_sec:nth-child(odd):before {
    right: 0;
}

.about_sec:nth-child(odd) .about_txtbox {
    width: 601px;
    right: 0;
}

@media screen and (max-width:1200px) {


    /* about */
    .about_img {
        margin-right: -20px;
    }

    /*---------- nth-child(odd) ----------*/
    .about_sec:nth-child(odd) .about_img {
        margin-left: -20px;
    }


}

@media screen and (max-width:767px) {
    .page_catch {
        margin-bottom: 60px;
    }

    /*  */
    .about_sec {
        margin: 0 0 55px;
    }

    .about_img {
        margin-left: 0;
        clip-path: polygon(0px 0px, calc(100% - 35px) 0px, 100% 35px, 100% 100%, 35px 100%, 0px calc(100% - 35px));
    }

    .about_txtbox {
        width: 100% !important;
        margin: -36px auto 0 auto;
        padding: 20px 25px 0 0;
        position: relative;
    }


    .about_txtbox::after {
        width: calc(100% + 20px);
        height: 100%;
        left: auto;
        right: 0;
        clip-path: polygon(0px 0px, calc(100% - 35px) 0px, 100% 35px, 100% 100%, 35px 100%, 0px calc(100% - 35px));
        transform: none;
    }

    .about_txtbox h2 {
        font-size: 2.2rem;
        margin: 0 0 20px;
    }

    .about_txtbox h3 {
        font-size: 1.8rem;
        margin: 0 0 30px;
    }

    .about_txtbox h4 {
        margin-bottom: 30px;
    }

    .about_img img {
        height: 260px !important;
    }

    /*---------- nth-child(odd) ----------*/
    .about_sec:nth-child(odd) .about_img {
        margin-right: 0;
        clip-path: polygon(35px 0px, 100% 0px, 100% calc(100% - 35px), calc(100% - 35px) 100%, 0px 100%, 0px 35px);
    }

    .about_sec:nth-child(odd) .about_txtbox {
        margin: -35px auto 0 auto;
        padding: 25px 0 0 25px;
    }

    .about_sec:nth-child(odd) .about_txtbox {
        margin-right: auto;
        margin-left: 0;
    }

    .about_sec:nth-child(odd) .about_txtbox::after {
        left: 0;
        clip-path: polygon(35px 0px, 100% 0px, 100% calc(100% - 35px), calc(100% - 35px) 100%, 0px 100%, 0px 35px);
    }

}