.c-title_cate{
    font-size: 2.2rem;
}
.c-title_cate span {
    display: block;
    font-size: 6.4rem;
    line-height: 1;
}

.c-title_cate_about {
    font-size: 2.2rem;
}

.l-category_head_about {
    margin-bottom: 5vw;
}

.l-container-desc_about {
    margin-bottom: 2vw;
    padding: 0 50px;
}

.l-contents-about {
    text-align: center;
    font-size: 1.6vw;
    font-weight: 600;
    position: absolute;
    /* margin-top: -151px; */
    background: #000;
    opacity: 40%;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
}

.c-contents-title-about {
    color: #fff;
    /* padding-top: 10%; */
    /* padding-bottom: inherit; */
    /* height: 100%; */
    position: absolute;
    width: 100%;
    z-index: 1;
    top: 0;
    left: 0;
    text-align: center;
    margin-top: 18%;
    font-size: 2.6rem;
    font-weight: 600;
}


.about-contents::after {
    content: '';
    position: absolute;
    width: 5vw;
    height: 5vw;
    top: 37%;
    right: 3%;
    background-image: url(../assets/images/about/category-arrow01.png);
    background-size: contain;
    background-repeat: no-repeat;
    vertical-align: middle;
}

/*------------------------------
/ flexbox
-------------------------------*/

.about-fcontainer {
    min-height: 100%;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
}

.about-box {
    width: 47%;
    height: 20%;
    /* border: 2px solid; */
    /* border-color: #FF758B; */
    margin: 0 1% 3% 2%;
}

/* .about-box:nth-child(2n-1) {
    margin-left: 5%;
} */

.about-box>div {
    display: flex;
    flex-basis: calc(50% - 40px);
    justify-content: center;
    flex-direction: column;
    position: relative;
}

.about-box>div>div {
    display: flex;
    justify-content: center;
    flex-direction: row;
}

/*------------------------------
/ slick
-------------------------------*/

.c-page-slider_about .slick-next, .c-page-slider_about .slick-prev {
    width: 21px;
    height: 25px;
    z-index: 2;
}

.c-page-slider_about .slick-prev::before, .c-page-slider_about .slick-next::before {
    display: none;
}

.c-page-slider_about .slick-prev {
    left: 0;
    background: url(../assets/images/common/slider-prev01.png) no-repeat center / 21px 25px;
}

.c-page-slider_about .slick-next {
    right: 0;
    background: url(../assets/images/common/slider-next01.png) no-repeat center / 21px 25px;
}

.l-detail-history_about {
    padding: 5vw 0 80px;
    background: #fff;
}

.p-footer-history_title_about {
    text-align: center;
    font-size: 4.5rem
}

@media screen and (max-width:768px) {
    .c-title_cate {
        font-size: 1.6rem;
    }
    .c-title_cate span {
        display: block;
        font-size: 3.6rem;
        line-height: 1;
    }
    .c-title_cate_about {
        font-size: 1.6rem;
    }
    .l-category_head_about {
        margin: 5vw 4vw 5vw;
    }
    .l-container-desc_about {
        margin-bottom: 10vw;
        padding: 0;
    }
    .l-contents-about {
        text-align: center;
        font-size: 1.6rem;
        font-weight: 600;
        position: absolute;
        background: #000;
        opacity: 30%;
        height: 100%;
        width: 100%;
        top: 0;
        left: 0;
    }

    .c-contents-title-about {
        color: #FFF;
        padding-top: 17%;
        height: 100%;
        width: 100%;
        margin-top: 0%;
        font-size: 2rem;
    }
    .c-contents-title-about:hover {
        color: #FFF;
        padding-top: 17%;
        height: 100%;
        width: 100%;
    }
    .about-contents::after {
        content: '';
        position: absolute;
        width: 5vw;
        height: 5vw;
        top: 37%;
        right: 3%;
        background-image: url(../assets/images/about/category-arrow01.png);
        background-size: contain;
        background-repeat: no-repeat;
        vertical-align: middle;
    }
    .about-fcontainer {
        display: flex;
        flex-direction: column;
    }
    .about-box {
        width: 100%;
        /* border: 2px solid; */
        /* border-color: #FF758B; */
        margin: 0 0 5vw 0;
    }
    .about-box:nth-child(2n-1) {
        margin-left: 0%;
    }
    .c-page-slider_about .slick-next, .c-page-slider_about .slick-prev {
        width: 21px;
        height: 25px;
        z-index: 2;
    }
    .c-page-slider_about .slick-prev::before, .c-page-slider_about .slick-next::before {
        display: none;
    }
    .c-page-slider_about .slick-prev {
        left: 0;
        background: url(../assets/images/common/slider-prev01.png) no-repeat center / 21px 25px;
    }
    .c-page-slider_about .slick-next {
        right: 0;
        background: url(../assets/images/common/slider-next01.png) no-repeat center / 21px 25px;
    }
    .slider {
        overflow: hidden;
    }
    .l-detial-history_about {
        padding: 272px 0 80px;
        background: #fff;
    }
    .p-footer-history_title_about {
        text-align: center;
        font-size: 3.5rem
    }
}