body {
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
}
.contact {
    width: 70%;
    height: auto;
    overflow: hidden;
    padding-bottom: 40px;
    margin: 220px auto 140px auto;
    background: rgba(255, 255, 255, .7);
    border-radius: 20px;
}
.contact_en {
    width: 60%;
    height: auto;
    overflow: hidden;
    padding: 3vw 2vw;
    margin: 15vw auto;
    background: rgba(0, 0, 0, .3);
    border-radius: 10px;
    color: #fff;
    font-family: 'Times New Roman', Times, serif;
}
.contact_ent {
    font-size: 3rem;
}
.contact_enc {
    font-size: 1.25rem;
    line-height: 180%;
    margin-top: 2vw;
}
.contc {
    width: 40%;
    height: auto;
    overflow: hidden;
    float: left;
    padding-left: 50px; 
}
.contc span {
    display: block;
    font-size: 1rem;
    line-height: 40px;
}
.contc span:nth-child(1) {
    line-height: 120px;
    color: #d0000e;
    font-size: 1.6rem;
}
.contc span img {
    display: inline-block;
    vertical-align: middle;
    margin-right: 20px;
}
.contb {
    height: auto;
    margin-top: 50px;
}
.contb::after {
    content: '';
    display: block;
    clear: both;
    visibility: hidden;
}
.contb p {
	display: block;
	height: auto;
	float: left;
	margin-right: 50px;
	position: relative;
}
.contb p img {
    display: block;
    margin: 0 auto;
}
.contb p img:nth-child(1) {
    height: 30px;
}
.contb p img:nth-child(2) {
	display: none;
	width: 100px;
	height: 100px;
	border: 5px solid #fff;
	position: absolute;
	left: -30px;
	bottom: 75px;
	z-index: 100;
}
.contb p:hover img:nth-child(2) {
	display: block;
}
.contb span {
    display: block;
    text-align: center;
    line-height: 30px;
    font-size: 0.875rem;
    margin-top: 5px;
}


@media screen and (max-width: 1680px) {
    .contact {
        width: 75%;
        margin: 180px auto 100px auto;
    }
    .contb {
        margin-top: 40px;
    }
    .contb p img:nth-child(1) {
        height: 24px;
    }
}
@media screen and (max-width: 1440px) {
    .contact {
        width: 80%;
        margin: 160px auto 80px auto;
    }
}