.single-page {
    padding: 100px 0;
}
.header-img {
    text-align: center;
    margin-bottom: 40px;
}
.header-img img {
    width: 400px;
}
.title {
    font-size: 21px;
    font-family: "HiraginoN7";
    text-align: center;
}
.contents-sec {
    width: 870px;
    margin: 40px auto;
    border: 1px solid #5e5e5e;
}

.content-item {
    display: flex;
    font-size: 21px;
    font-family: 'Times New Roman', Times, serif;
    color: #030303;
    border-bottom: 1px solid #5e5e5e;
}
.content-item .item-column {
    min-width: 240px;
    border-right: 1px solid #5e5e5e;
    padding: 12px;
    display: flex;
    align-items: center;
}
.content-item .item-value {
    padding: 12px;
}
.content-item:last-child {
    border-bottom: unset;
}
.contact-div {
    text-align: center;
}
.btn-contact {
    color: #030303;
    font-size: 21px;
    font-family: "HiraginoN7";
}
.company-map {
    width: 600px;
    height: 450px;
}
@media screen and (max-width: 991px) {
    .header-img img {
        width: 50%;
    }
    .title {
        margin-bottom: 20px;
    }
    .contents-sec {
        margin-top: 10px;
        width: 100%;
    }
    .content-item {
        width: 100%;
        font-size: 16px;
        display: block;

    }
    .content-item .item-column {
        border-bottom: 1px solid #030303;
        border-right: unset;
        background: #ededed;
    }
    .company-map {
        width: 100%;
        height: 450px;
    }
}

@media screen and (max-width: 575px) {
    .header-img img {
        width: 90%;
    }
    .title {
        margin-bottom: 20px;
    }
    .contents-sec {
        margin-top: 10px;
        width: 100%;
    }
    .content-item {
        width: 100%;
        font-size: 16px;
        display: block;

    }
    .content-item .item-column {
        border-bottom: 1px solid #030303;
        border-right: unset;
        background: #ededed;
    }

    .company-map {
        width: 100%;
        height: 240px;
    }
}