.contact-box{
    width: 100%;
    display: block;
    margin: 0 auto;
    font-size: 0;
}
.contact-title-text-box{
    box-sizing: border-box;
    padding: 40px 20px;
}
.contact-title-text{
    width: 850px;
    max-width: 100%;
    font-size: 18px;
    color: #000;
    line-height: 2;
    margin: 0 auto;
    margin-top: 15px;
    text-align: justify;
}
.contact-introduction-info-category-box{
    width: 1280px;
    max-width: 100%;
    margin: 0 auto;
    display: block;
    position: relative;
    z-index: 1;
}
.contact-introduction-info-category-all-box{
    width: 100%;
    display: flex;
    place-content: center;
}
.contact-introduction-info-category{
    width: 25%;
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    color: #000;
    line-height: 1.5;
    box-sizing: border-box;
    padding: 10px 0;
    cursor: pointer;
    position: relative;
}
.contact-introduction-info-category:after{
    content: '';
    width: 100%;
    height: 10px;
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #ffce00;
    transition: all 0.3s ease;
    transform-origin: left;
    transform: scaleX(0);
}
.contact-introduction-info-category:hover:after,
.contact-introduction-info-category.active:after{
    transform: scaleX(1);
}

.contact-introduction-info-list-box{
    width: 100%;
    box-sizing: border-box;
    padding: 90px 0;
    background-color: #333;
}
.contact-introduction-info-list-all-box{
    width: 1280px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
}
.contact-introduction-info-list{
    display: none;
}
.contact-introduction-info-list-left-box{
    width: 430px;
    max-width: 100%;
    box-sizing: border-box;
    padding-right: 110px;
    display: inline-block;
    vertical-align: middle;
}
.contact-introduction-info-list-text-box li:nth-child(n + 2){
    margin-top: 30px;
}
.contact-introduction-info-list-text-title{
    box-sizing: border-box;
    padding-left: 45px;
    font-size: 18px;
    font-weight: 700;
    color: #ffce00;
    line-height: 2;
}
.contact-introduction-info-list-text{
    display: flex;
    justify-content: start;
    align-items: start;
    margin-top: 10px;
}
.contact-introduction-info-list-text-icon{
    min-width: 25px;
}
.contact-introduction-info-list-text-name{
    min-width: 40px;
    font-size: 18px;
    color: #fff;
    line-height: 1.4;
    margin: 0 20px;
}
.contact-introduction-info-list-text-p{
    font-size: 18px;
    font-family: "Arial";
    color: #fff;
    line-height: 1.4;
    transition: all 0.3s linear;
}
a.contact-introduction-info-list-text-p:hover{
    color: #ffce00;
}
.contact-introduction-info-list-address-box{
    margin-top: 65px;
    display: flex;
    justify-content: start;
    align-items: start;
}
.contact-introduction-info-list-address-icon{
    min-width: 25px;
    display: inline-block;
    vertical-align: top;
}
.contact-introduction-info-list-address{
    display: inline-block;
    vertical-align: top;
    box-sizing: border-box;
    padding-left: 20px;
}
.contact-introduction-info-list-address-ch{
    font-size: 18px;
    color: #fff;
    line-height: 1.4;
}
.contact-introduction-info-list-address-en{
    font-size: 18px;
    font-family: "Arial";
    color: #fff;
    line-height: 30px;
    margin-top: 5px;
}
.contact-introduction-info-list-right-box{
    width: calc(100% - 430px);
    max-width: 100%;
    display: inline-block;
    vertical-align: middle;
    height: calc((635 / 840) * (1280px - 430px));
    box-sizing: border-box;
    /* border: 10px solid #ccc; */
}



@media only screen and (max-width: 1280px){
    .contact-introduction-info-category-box{
        width: 1000px;
    }
    .contact-introduction-info-list-box{
        padding: 80px 0;
    }
    .contact-introduction-info-list-all-box{
        width: 1000px;
    }
}
@media only screen and (max-width: 1000px){
    .contact-introduction-info-category-box{
        width: 750px;
    }
    .contact-introduction-info-category{
        font-size: 20px;
    }
    .contact-introduction-info-list-box{
        padding: 60px 0;
    }
    .contact-introduction-info-list-all-box{
        width: 750px;
    }
    .contact-introduction-info-list-left-box{
        width: 350px;
        padding-right: 40px;
    }
    .contact-introduction-info-list-text-box li:nth-child(n + 2){
        margin-top: 15px;
    }
    .contact-introduction-info-list-text-title{
        line-height: 1.6;
    }
    .contact-introduction-info-list-text{
        margin-top: 5px;
    }
    .contact-introduction-info-list-address-box{
        margin-top: 40px;
    }
    .contact-introduction-info-list-right-box{
        width: calc(100% - 350px);
        height: calc((635 / 840) * (1000px - 350px));
    }
    .contact-introduction-info-list-address-en{
        line-height: 1.4;
    }
}
@media only screen and (max-width: 768px){
    .contact-title-text{
        line-height: 1.6;
        margin-top: 10px;
    }
    .contact-introduction-info-category-box{
        width: 550px;
        margin-bottom: -4px;
    }
    .rwd-contact-introduction-info-category{
        width: 100%;
        font-size: 20px;
        font-weight: 700;
        line-height: 1.5;
        box-sizing: border-box;
        padding: 5px 0;
        border-bottom: 4px solid #ffce00;
        text-align: center;
        position: relative;
    }
    .rwd-contact-introduction-info-category:after {
        content: '';
        width: 0px;
        height: 0px;
        margin: 0 auto;
        border-right: 7px solid transparent;
        border-top: 10px solid #000;
        border-left: 7px solid transparent;
        display: block;
        position: absolute;
        bottom: calc(50% - 5px);
        right: 5%;
        box-sizing: border-box;
    }
    .contact-introduction-info-category-all-box{
        display: none;
        position: absolute;
        background-color: rgba(0, 0, 0, 0.35);
        box-sizing: border-box;
        padding: 10px 0;
    }
    .contact-introduction-info-category{
        width: 100%;
        color: #fff;
        padding: 5px 0;
    }
    .contact-introduction-info-category:after{
        display: none;
    }
    .contact-introduction-info-list-box{
        padding: 40px 0;
    }
    .contact-introduction-info-list-all-box{
        width: 550px;
    }
    .contact-introduction-info-list-left-box{
        width: 100%;
        padding-right: 0;
    }
    .contact-introduction-info-list-right-box{
        width: 100%;
        height: calc((635 / 840) * 550px);
        margin-top: 40px;
    }
}
@media only screen and (max-width: 550px){
    .contact-title-text-box{
        padding: 20px;
    }
    .contact-title-text{
        font-size: 16px;
        line-height: 1.4;
        margin-top: 5px;
    }
    .contact-introduction-info-category-box{
        width: calc(100vw - 40px);
    }
    .rwd-contact-introduction-info-category{
        font-size: 18px;
    }
    .contact-introduction-info-category{
        font-size: 18px;
    }
    .contact-introduction-info-list-box{
        padding: 20px 0;
    }
    .contact-introduction-info-list-all-box{
        width: calc(100vw - 40px);
    }
    .contact-introduction-info-list-address-box{
        margin-top: 20px;
    }
    .contact-introduction-info-list-right-box{
        height: calc((635 / 840) * (100vw - 40px));
        margin-top: 20px;
        border-width: 4px;
    }
    .contact-introduction-info-list-text-title{
        padding-left: 35px;
        font-size: 16px;
    }
    .contact-introduction-info-list-text-icon{
        width: 20px;
        min-width: 20px;
        position: relative;
    }
    .contact-introduction-info-list-text-icon img{
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
    .contact-introduction-info-list-text-name{
        min-width: 35px;
        font-size: 16px;
        margin: 0 15px;
    }
    .contact-introduction-info-list-text-p{
        font-size: 16px;
    }
    .contact-introduction-info-list-address-icon{
        width: 20px;
        min-width: 20px;
    }
    .contact-introduction-info-list-address-icon img{
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
    .contact-introduction-info-list-address{
        padding-left: 15px;
    }
    .contact-introduction-info-list-address-ch,
    .contact-introduction-info-list-address-en{
        font-size: 16px;
    }
}