* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
            color: inherit;
        }
	.continer{
		
	}
    .top_menu{
		display: flex;
		margin:30px 0 30px 0 ;
	}
	.top_menu > a{
		margin-left: 100px;
		font-size: 25px;
		font-weight: bold;
		color: black;
	}
	.menu{
		display: flex;
	}
	.menu > li{
		margin-left: 50px;
		margin-top:5px;
		font-size: 20px;
	}
	.menu > li > a{
		color: black;
		margin-left:40px;
	}
    .BI{
		background-image: url("../img/closeup-image-office-phone.jpg");
		background-position:center;
		background-size:cover;
		position:relative;
		height: 350px;
		width: auto;
	}
	.BI::before{
		position:absolute;
		content: "";
		width:100%;
		height:100%;
	}
    .BI > h2{
        color: white;
        font-size:60px;
        text-align: center;
        padding-top:100px;
        position: relative;
        z-index: 99;
    }
    .menu-1{
        display: flex;
    }
    .menu-1> li{
        margin-left:50px;
        margin-top:10px;
        font-size:20px;
    }
    .menu-1 > li > a{
        color:black;
    }
    .ff{
		display:flex;
		margin-bottom: 10px;
	}
	.ff > h2{
		margin-left: 40px;
	}
    .cp{
    	
    	margin-bottom: 20px;
    	width: 60%;
    	margin-left:40%;
    }
    .cp > h2{
    	
    }
    .cp > .line{
		border: 1px solid black;
		width: 50%;
		margin-top:10px;
		
    }
    .cp-1{
    	margin-bottom: 20px;
    }
    .cp-1 > h2{
    	margin-top:20px;
    	margin-bottom: 20px;
    }
    .cp-1 > p{
    	
    }
    .cp-2 > li > span{
    	display: inline-block;
    	width: 130px;
    }
	.link{
		display:flex;
		margin-left:40px;
		margin-top:5px;
	}
	.link > a{
		color: black;
		margin-left:5px;
	}
	/* ¸ð¹ÙÀÏ ´ëÀÀ ½ºÅ¸ÀÏ */
@media (max-width: 768px) {

     .top_menu {
        flex-direction: column;
        align-items: flex-start;
        margin: 20px 0;
        /* display: flex;  => »©¼­ ÀÚ¿¬½º·¯¿î ºí·Ï ·¹À̾ƿôÀ¸·Î */
    }

    .top_menu > a {
        margin-left: 0;
        font-size: 20px;
        font-weight: bold;
        color: black;
        margin-bottom: 10px;
    }
     .menu {
        flex-direction: column;
        width: 100%;
        padding-left: 0;
        /* display: flex; => »©±â */
    }

    /* ¸Þ´º, ¸Þ´º-1 ¸ðµÎ flex columnÀ¸·Î */
    .menu,
    .menu-1 {
        display: flex;
        flex-direction: column;
        width: 100%;
        padding-left: 0;
    }
    .menu > li,
    .menu-1 > li {
        margin-left: 0;
        margin-top: 10px;
        font-size: 18px;
    }
    .menu > li > a,
    .menu-1 > li > a {
        margin-left: 0;
        color: black;
    }

     .BI {
        width: 100% !important;
        height: 300px;
        background-position: center;
        background-size: cover;
        position: relative;
        padding-left: 20px;
        box-sizing: border-box;
    }
    .BI > h2,
    .BI > p {
        position: relative;
        z-index: 2;
        color: white;
        padding-left: 20px;
    }
    .BI > h2 {
        font-size: 30px;
        padding-top: 100px;
    }
 	.footer .ff {
        flex-direction: column;
        align-items: flex-start;
        margin-left: 20px;
    }
    .footer .link {
        margin-left: 0;
        margin-top: 10px;
    }
    .cp {
        width: 90%;
        margin-left: 5%;
        margin-bottom: 20px;
        margin-top:20px;
    }

    .cp > .line {
        width: 80%;
        margin: 10px auto 0 auto;
    }

    .cp-1 > h2 {
        font-size: 20px;
        margin-top: 15px;
        margin-bottom: 15px;
    }

    .cp-1 {
        padding: 0 10px;
    }

    .cp-2 > li > span {
        width: 100px;
        display: inline-block;
        font-size: 14px;
    }

   
}