.product{
    padding: 100px 0 120px;
}


.product_list{
    margin-top: 50px;
}

.product_list>li{
    border-top: 1px solid #000000;
    border-left: 1px solid #000000;
    border-right: 1px solid #000000;
    margin-bottom: 52px;
}

.product_list>li:last-of-type{
    margin-bottom: 0;
}

.product_ibtn{
    position: relative;
    font-size: 2.4rem;
    letter-spacing: 5px;
    font-weight: bold;
    padding: 22px 57px 24px 63px;
    border-bottom: 1px solid #000000;
    background-color: #f3f3f3;
    cursor: pointer;
}

.product_ibtn>i{
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto;
    left: calc(100% - 57px);
    width: 18px;
    height: 18px;
    background-color: #3161b4;
    -webkit-border-radius: 100%;
    -moz-border-radius: 100%;
    border-radius: 100%;
}

.product_ibtn>i:before,
.product_ibtn>i:after{
    background-color: #ffffff;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    margin: auto;
}

.product_ibtn>i:before{
    content: '';
    width: calc(100% - 4px);
    height: 2px;
}

.product_ibtn>i:after{
    content: '';
    width: 2px;
    height: calc(100% - 4px);
}

.product_ibtn.to_open>i:after{
    display: none;
}

.product_icon{
    display: none;
    border-bottom: 1px solid #000000;
}

.product_ilist{
    display: -webkit-flex;
    display: flex;
    flex-wrap: wrap;
    padding: 53px 57px 51px;
    margin-bottom: -38px;
}

.product_ilist>li img{
    display: block;
}

.product_ilist>li{
    width: calc(50% - 20px);
    margin-bottom: 38px;
}

.product_ilist>li:nth-of-type(2n+1){
    margin-right: 20px;
}

.product_ilist>li:nth-of-type(2n){
    margin-left: 20px;
}

@media only screen and (max-width: 1024px) {
    .product {
        padding: 90px 0;
    }

    .product_ibtn {
        font-size: 2.2rem;
    }
	
}

@media only screen and (max-width: 1023px) {
    .product {
        padding: 80px 0;
    }

    .product_ibtn {
        font-size: 2rem;
        padding: 22px 42px 24px;
    }

    .product_ibtn>i {
        left: calc(100% - 42px);
    }

    .product_ilist {
        padding: 43px 40px 41px;
        margin-bottom: -30px;
    }

    .product_ilist>li {
        width: calc(50% - 15px);
        margin-bottom: 30px;
    }

    .product_ilist>li:nth-of-type(2n+1) {
        margin-right: 15px;
    }

    .product_ilist>li:nth-of-type(2n) {
        margin-left: 15px;
    }

    .product_list {
        margin-top: 40px;
    }

    .product_list>li{
        margin-bottom: 42px;
    }
	
}


@media only screen and (max-width: 767px) {

    .product {
        padding: 70px 0;
    }

    .product_ibtn {
        font-size: 1.8rem;
        padding: 15px 32px;
    }

    .product_ilist {
        padding: 32px;
        margin-bottom: -20px;
    }

    .product_ilist>li {
        width: calc(50% - 10px);
        margin-bottom: 20px;
    }

    .product_ilist>li:nth-of-type(2n+1) {
        margin-right: 10px;
    }

    .product_ilist>li:nth-of-type(2n) {
        margin-left: 10px;
    }

    .product_ibtn>i{
        width: 16px;
        height: 16px;
        left: calc(100% - 32px);
    }
	
}

@media only screen and (max-width: 480px) {

    .product {
        padding: 60px 0;
    }

    .product_list {
        margin-top: 30px;
    }

    .product_list>li {
        margin-bottom: 32px;
    }

    .product_ibtn {
        padding: 15px 22px;
    }

    .product_ibtn>i{
        left: auto;
        right: 25px;
    }

    .product_ilist {
        padding: 25px;
        margin-bottom: 0;
    }

    .product_ilist>li{
        width: 100% !important;
        margin: 0 0 20px !important;
    }

    .product_ilist>li:last-of-type{
        margin-bottom: 0 !important;
    }
	
}






.business{
    padding: 102px 0 118px;
}

.business_line{
    margin-bottom: 85px;
}

.business_line:last-of-type{
    margin-bottom: 0;
}

.business_tit{
    font-size: 2.8rem;
    font-weight: bold;
    letter-spacing: 1px;
    padding-bottom: 20px;
    border-bottom: 1px solid #b2b2b2;
    margin-top: 45px;
}

.business_tit02{
	font-size: 2.8rem;
	text-align: center;
    font-weight: bold;
	margin-top: 55px;
}

.business_txt{
    font-size: 1.4rem;
    line-height: 2.85;
    margin-top: 32px;
}

.business_list{
    margin-top: 35px;
    display: -webkit-flex;
    display: flex;
    flex-wrap: wrap;
    margin-bottom: -70px;
}

.business_list>li{
    border: 2px solid #b2b2b2;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    border-radius: 20px;
    padding: 55px 47px 45px;
    width: calc(50% - 37px);
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    margin-bottom: 70px;
}

.business_list>li:nth-of-type(2n+1){
    margin-right: 37px;
}

.business_list>li:nth-of-type(2n){
    margin-left: 37px;
}

.business_itit,
.business_itit_en{
    text-align: center;
}

.business_itit{
    font-size: 2.4rem;
    font-weight: bold;
    letter-spacing: 2px;
}

.business_itit_en{
    font-size: 2rem;
    margin-top: 3px;
}

.business_itxt{
    font-size: 1.4rem;
    line-height: 2.14;
    padding-top: 15px;
    border-top: 1px solid #b2b2b2;
    margin-top: 22px;
}

.business_iimg{
    display: block;
    margin: 30px auto 0;
	width: 100%;
}

.business_tbox{
    padding: 0 50px;
}

@media only screen and (max-width: 1024px) {

    .business{
        padding: 90px 0;
    }

    .business_tbox {
        padding: 0;
    }

    .business_line {
        margin-bottom: 70px;
    }
	
	.business_tit {
	    font-size: 2.4rem;
	}
	
	.business_tit02{
		font-size: 2.4rem;
	}

    .business_itit {
        font-size: 2.2rem;
    }

    .business_itit_en{
        font-size: 1.8rem;
    }

    .business_list>li:nth-of-type(2n+1) {
        margin-right: 25px;
    }

    .business_list>li:nth-of-type(2n) {
        margin-left: 25px;
    }

    .business_list>li {
        padding: 45px 37px 45px;
        width: calc(50% - 25px);
        margin-bottom: 50px;
    }

    .business_list {
        margin-bottom: -50px;
    }


}

@media only screen and (max-width: 1023px) {
    .business {
        padding: 80px 0;
    }

    .business_tit {
        font-size: 2.2rem;
    }
	
	.business_tit02{
		font-size: 2.2rem;
	}
	
	.business_itit {
	    font-size: 2rem;
	}

    .business_txt {
        margin-top: 25px;
    }

    .business_line {
        margin-bottom: 60px;
    }

    .business_list>li:nth-of-type(2n+1) {
        margin-right: 10px;
    }

    .business_list>li:nth-of-type(2n) {
        margin-left: 10px;
    }

    .business_list>li {
        padding: 40px 20px 40px;
        width: calc(50% - 10px);
        margin-bottom: 20px;
    }

    .business_itit_en{
        font-size: 1.6rem;
    }

    .business_list {
        margin-bottom: -20px;
    }
}

@media only screen and (max-width: 767px) {
    .business {
        padding: 70px 0;
    }

    .business_tit {
        font-size: 2.0rem;
		margin-top: 40px;
    }
	
	.business_tit02{
		font-size: 2.0rem;
		margin-top: 40px;
	}
	
	.business_itit {
	    font-size: 1.8rem;
	}

    .business_itit_en {
        font-size: 1.4rem;
    }

    .business_txt {
        line-height: 2.2;
        margin-top: 25px;
    }

    .business_line {
        margin-bottom: 50px;
    }

    .business_list{
        flex-direction: column;
        align-items: center;
        margin-bottom: 0;
		margin-top: 30px;
    }

    .business_list>li {
        padding: 40px 20px 40px;
        width: 100%;
        max-width: 515px;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
        margin: 0 0 30px !important;
    }

    .business_list>li:last-of-type{
        margin-bottom: 0 !important;
    }
}

@media only screen and (max-width: 480px) {

    .business {
        padding: 60px 0;
    }

    .business_tit {
        margin-top: 30px;
        padding-bottom: 18px;
    }

    .business_txt{
        margin-top: 20px;
    }

    .business_list>li {
        padding: 30px 15px;
        -webkit-border-radius: 15px;
        -moz-border-radius: 15px;
        border-radius: 15px;
    }
}