/* common */
.culture .title-area {text-align: center;}
.culture .title-area .title {font-size: 50px; font-weight: 700; color: #000; margin-bottom: 25px;}
.culture .title-area .title::before {content: ''; display: block; width: 50px; height: 3px; background: #e50050; margin: 0 auto 10px;}
.culture .title-area .desc {font-size: 16px; font-weight: 300; line-height: 1.88; color: #4c4c4c;}


/* culture */
.culture {overflow: hidden;}
.culture::after {content: ''; display: block; width: 100%; height: 400px; background: url("../img/culture_bg.jpg") no-repeat center/cover;}
.culture .inner {padding: 80px 0 95px;}

.culture .culture-list {display: flex; flex-wrap: wrap; justify-content: center; margin-top: 50px;}
.culture .culture-list .culture-item {position: relative; width: calc((100% - 70px) / 3); margin-right: 35px; padding: 45px 20px; background-color: #fff; border-radius: 20px; border: 1px solid #ddd; overflow: hidden; text-align: center; z-index: 1;}
.culture .culture-list .culture-item:nth-child(3n) {margin-right: 0;}
.culture .culture-item:nth-child(n+4) {margin-top: 32px;}
.culture .culture-item::before {content: ''; position: absolute; left: 0; top: 0; width: 100%; height: 100%; background-repeat: no-repeat; background-position: center; background-size: cover; opacity: 0; transition: .3s; z-index: -1;}
.culture .culture-item:nth-child(1)::before {background-image: url("../img/culture_cover1.jpg");}
.culture .culture-item:nth-child(2)::before {background-image: url("../img/culture_cover2.jpg");}
.culture .culture-item:nth-child(3)::before {background-image: url("../img/culture_cover3.jpg");}
.culture .culture-item:nth-child(4)::before {background-image: url("../img/culture_cover4.jpg");}
.culture .culture-item:nth-child(5)::before {background-image: url("../img/culture_cover5.jpg");}
.culture .culture-list .ico-culture {display: block; margin: 0 auto 35px; width: 79px; height: 67px; background-repeat: no-repeat; background-position: center; background-size: contain; transition: .3s;}
.culture .culture-item:nth-child(1) .ico-culture {background-image: url("../img/culutre_icon1.png");}
.culture .culture-item:nth-child(2) .ico-culture {background-image: url("../img/culutre_icon2.png");}
.culture .culture-item:nth-child(3) .ico-culture {background-image: url("../img/culutre_icon3.png");}
.culture .culture-item:nth-child(4) .ico-culture {background-image: url("../img/culutre_icon4.png");}
.culture .culture-item:nth-child(5) .ico-culture {background-image: url("../img/culutre_icon5.png");}
.culture .culture-list .title {display: block; margin-bottom: 13px; font-size: 23px; font-weight: 700; color: #000; transition: .3s;}
.culture .culture-list .desc {font-size: 16px; font-weight: 300; line-height: 1.75; color: #333; transition: .3s;}

.culture .culture-item:hover::before {opacity: 1;}
.culture .culture-item:hover:nth-child(1) .ico-culture {background-image: url("../img/culutre_icon1_hv.png");}
.culture .culture-item:hover:nth-child(2) .ico-culture {background-image: url("../img/culutre_icon2_hv.png");}
.culture .culture-item:hover:nth-child(3) .ico-culture {background-image: url("../img/culutre_icon3_hv.png");}
.culture .culture-item:hover:nth-child(4) .ico-culture {background-image: url("../img/culutre_icon4_hv.png");}
.culture .culture-item:hover:nth-child(5) .ico-culture {background-image: url("../img/culutre_icon5_hv.png");}
.culture .culture-item:hover .title, .culture .culture-item:hover .desc {color: #fff;}

/* media query */
@media screen and (max-width: 1700px) {
    /* common */
    .culture .inner {padding: 80px 20px 95px;}
}

@media screen and (max-width: 1500px) {

}

@media screen and (max-width: 1400px) {
    /* common */
    .culture .inner {padding: 80px 60px 95px;}
}

@media screen and (max-width: 1300px) {

}

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

}

@media screen and (max-width: 1023px) {
    /* common */
    .culture br {display: none;}
    .culture .title-area .title {font-size: 40px;}

    .culture .culture-list .culture-item {width: calc((100% - 50px) / 3); margin-right: 25px;}
    .culture .culture-item:nth-child(n+4) {margin-top: 25px;}
    .culture .culture-list .ico-culture {width: 65px; margin-bottom: 25px;}
    .culture .culture-list .title {font-size: 21px;}
    .culture .culture-list .desc {font-size: 15px;}
}

@media screen and (max-width: 767px) {
    /* common */
    .culture .inner {padding: 60px 40px;}
    .culture .title-area .title {font-size: 35px; margin-bottom: 20px;}
    .culture .title-area .desc {font-size: 15px;}

    .culture .culture-list .culture-item {width: calc((100% - 20px) / 2); margin-right: 20px; padding: 30px 20px;}
    .culture .culture-list .culture-item:nth-child(3n) {margin-right: 20px;}
    .culture .culture-list .culture-item:nth-child(2n) {margin-right: 0;}
    .culture .culture-item:nth-child(n+3) {margin-top: 20px;}

}

@media screen and (max-width: 640px) {
    .culture::after {height: 300px;}

    .culture .culture-list .ico-culture {width: 55px; margin-bottom: 10px;}
    .culture .culture-list .title {font-size: 19px;}
    .culture .culture-list .desc {font-size: 14px;}
}

@media screen and (max-width: 480px) {
    /* common */
    .culture .inner {padding: 60px 20px;}
    .culture .title-area .title {font-size: 30px; margin-bottom: 15px;}
    .culture .title-area .desc {font-size: 14px;}

    .culture::after {height: 200px;}
    .culture .culture-list {margin-top: 40px;}
    .culture .culture-list .culture-item {width: 100%; margin-right: 0;}
    .culture .culture-list .culture-item:nth-child(3n) {margin-right: 0;}
    .culture .culture-item:nth-child(n+2) {margin-top: 15px;}
}