.main {
    background-color: #f5f5f5;
    padding-bottom: 50px;
}

.part1 .desc {
    color: #666;
    font-size: 14px;
    letter-spacing: .133em;
}

.main .part1 p{
    line-height: 26px;
    margin-bottom: 12px;
}

.part1 {
    margin-bottom: 30px;
    padding: 30px 30px 30px 50px;
    background: url("../images/about_us/contact1.jpg") #fff right/contain no-repeat;
}

.part1 h2{
    margin-left: -20px;
}

.part2{
    margin-top: 20px;
    margin-bottom: 20px;
    background-color: #fff;
    padding: 30px;
}

.part2 .tri-title{
    font-size: 18px;
    margin-bottom: 16px;
    margin-top: 16px;
}

.part2 .tri-title:first-child{
    margin-top: 0;
}

.part2 .m-select{
    width: 280px;
}

.btn-submit{
    width: 140px;
}

.part2 .type-row{
    background-color: #f5f5f5;
    padding: 12px 18px;
    line-height: 24px;
}

.row.search-row{
    background-color: transparent;
    display: flex;
    margin-bottom: 20px;
}

.search-row .cond0, .search-row .cond1, .search-row .cond2{
    margin-right: 20px;
}

.part2 .row a{
    margin-right: 28px;
    font-size: 14px;
    color: #4c4c4c;
}

.part2 .row a::before{
    content: "";
    width: 7px;
    height: 9px;
    display: inline-block;
    vertical-align: middle;
    margin-top: -1px;
    background: url("../images/about_us/contact_type.svg") center/contain no-repeat;
    margin-right: 5px;
}

.row-sample-row{
    display: flex;
    flex-wrap: wrap;
    padding: 6px 20px;
    background-color: #f5f5f5;
    font-size: 12px;
}

.part2 .sample{
    display: block;
    height: 24px;
    line-height: 24px;
    flex: 0 0 auto;
    margin-right: 30px;
    margin-top: 6px;
    margin-bottom: 6px;
}
.part2 .sample-icon{
    margin-top: -2px;
}

.title-row{
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.title-row .tri-title{
    font-size: 18px;
}

.title-row .back-to-top{
    font-size: 14px;
    cursor: pointer;
    padding: 4px 8px;
}

.title-row .back-to-top::before{
    content: "";
    width: 10px;
    height: 10px;
    background: url("../images/about_us/to_top.png") center/contain no-repeat;
    display: inline-block;
    vertical-align: middle;
    margin-top: -1px;
    margin-right: 8px;
}

.location{
    background-color: #fff;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    align-items: stretch;
}

.location:last-child{
    margin-bottom: 0;
}

.location-list{
    margin-bottom: 25px;
}

.title-row{
    font-size: 20px;
    margin-bottom: 16px;
}

.location .tri-title{
    font-size: 18px;
    margin-bottom: 18px;
}

.location .desc{
    font-size: 14px;
}

.location .desc p{
    line-height: 30px;
}

.location .right{
    display: flex;
    flex-direction: column;
    justify-content: center;
}

@media (max-width: 1280px) {
    .part1{
        padding-right: 150px;
    }

    .location>*{
        width: 50%;
        flex: 0 0 auto;
    }

    .location .right img{
        max-width: 100%;
        height: auto;
    }
}

.part2 .search-row select{
    width: 200px;
}

@media (max-width: 960px) {
    .part1{
        padding-right: 180px;
    }
    .part2 .search-row select{
        width: 120px;
    }
    .part2 .row a{
        display: inline-block;
    }
}

@media (max-width: 750px) {
    .part1{
        padding: 20px 20px 20px 20px;
        background: #fff none;
    }
    .part2{
        padding: 20px;
    }
    .search-row .cond1, .search-row .cond2{
        width: 50%;
        flex: 0 0 auto;
        display: flex;
        align-items: center;
        margin-bottom: 10px;
        margin-right: 0;
    }
    .cond1{
        padding-right: 10px;
    }
    .cond2{
        padding-left: 10px;
    }
    .search-row{
        flex-wrap: wrap;
    }

    .search-row label{
        flex: 0 0 auto;
        width: 110px;
    }
    .part2 .search-row select{
        flex: 1 0 auto;
        width: calc(100% - 110px);
    }

    .search-row .btn-submit{
        justify-self: flex-end;
        margin-left: auto;
    }
    .location .right{
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .location{
        padding: 20px;
    }
}

@media (max-width: 640px) {
    .search-row .cond1, .search-row .cond2 {
        width: 100%;
        padding-left: 0;
        padding-right: 0;
    }
    .location{
        display: block;
    }
    .location>*{
        display: block;
        width: 100%;
    }
    .location .left{
        margin-bottom: 20px;
    }
    .location .desc p{
        line-height: 1.45em;
    }
}