body {
    background-color: #f2f2f2;
}

.container {
    background-color: #fff;
    padding: 0;
    width: 800px;
}

.header-menu {
    background-color: #000;
    margin-bottom: 20px;
    text-align: center;
}

.nav-hm li {
    margin: 5px 0 0 8px;
}

.nav-hm li a {
    color: #fff;
    display: table;
    text-align: center;
    width: 180px;
}

.nav-hm li a:hover {
    text-decoration: none;
    background: #222;
}

.top-m01 {
    border-bottom: 1px solid #000;
    font-size: 16px;
    margin-bottom: 20px;
    padding-bottom: 6px;
    padding-left: 10px;
    width: 98%;
}

.top-box {
    padding: 0 20px 30px 30px;
}

.main-txt {
    line-height: 1.5em;
    padding-left: 10px;
}

.att-txt {
    font-size: 12px;
}

.gmap {
    margin-bottom: 20px;
    margin-left: 70px;
}

.works-photo {
    display: table;
    margin-right: 15px;
    width: 375px;
}

.works-photo li {
    margin: 0;
    padding: 0;
}

.works-photo img {
    width: 125px;
}

.works-box {
    text-align: center;
}

ul.works-img {
    display: flex;
    flex-wrap:wrap;  
    margin-left:0;
    padding-left:0;
}

.works-img li {
    list-style: none;
    width: calc(98%/6);/
    box-sizing:border-box;
    padding-bottom: 5px;
}

.works-img li img {
    max-width:100%;
    height: auto;
    border:solid 1px #ccc;
}

.map {
    position: relative;
    width: 80%;
    height: 0;
    padding-top: 75%;
}

.map iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 90%;
}

@media (max-width:767px) {
    .container{
        width: 100%;
    }
    .works-img li {
        list-style: none;
        width: calc(98%/3);/
        box-sizing:border-box;
        padding-bottom: 5px;
    }
    .pull-left {
        margin-bottom: 10px;
        clear: both;
    }
    .works-photo {
        margin-right: 5px;
        width: 300px;
    }
    .works-photo img {
        width: 95px;
    }
    .gmap {
        margin-left: 20px;
    }
    .att-txt {
        width: 95%;
    }
}