/* 기본 설정 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Pretendard', sans-serif; color: #333; overflow-x: hidden; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }

/* 헤더 스타일: kosta.au의 깔끔한 상단바 */
.header {
    height: 90px;
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    width: 100%;
    top: 0;
    z-index: 1000;
}
.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 32px;
    font-weight: 800;
    color: #2a9689; /* 코스타 시그니처 컬러 */
    letter-spacing: -1px;
}
.logo .location { font-size: 18px; font-weight: 400; color: #666; vertical-align: middle; }
.main-menu { display: flex; list-style: none; gap: 40px; }
.main-menu a { text-decoration: none; color: #444; font-weight: 600; font-size: 17px; transition: 0.3s; }
.main-menu a:hover { color: #2a9689; }

/* 메인 비주얼: 압도적인 첫 화면 디자인 */
.main-visual {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.0), rgba(0,0,0,0.0)), 
                url('https://kosta.au/images/main01.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}
.main-line {padding: 30px 0; background: #fff;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #000;
    background: #77cdc0; }

.main {padding: 30px 0; background: #fff;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #000; 
    background: #f3f2f0;}

.main2 {padding: 30px 0; background: #fff;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #000; }

.sub-text { font-family: sans-serif; font-size: 18px; letter-spacing: 50px; margin-bottom: 4px; }
.main-title { font-size: 30px; font-weight: 1200; margin-bottom: 0px; }



/* 버튼 스타일 */
.action-btns { display: flex; justify-content: right; gap: 3px; }
.btn-solid { background: #000; color: #fff; padding: 15px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; }
.btn-line { border: 2px solid #fff; color: #fff; padding: 16px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; }

/* 하단 퀵 링크 박스 디자인 */
.quick-links { transform: translateY(-50%); position: relative; z-index: 10; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.link-card { background: #fff; padding: 50px 30px; text-align: center; border-right: 1px solid #eee; transition: 0.4s; }
.link-card:last-child { border-right: none; }
.link-card h3 { font-size: 22px; margin-bottom: 10px; color: #222; }
.link-card p { color: #888; font-size: 15px; }
.link-card.highlight { background: #2a9689; color: #fff; }
.link-card.highlight h3, .link-card.highlight p { color: #fff; }
.link-card:hover { transform: translateY(-10px); background: #f9f9f9; }
.link-card.highlight:hover { background: #217a6f; }

/* 개요 페이지 */
						@media screen and (max-width:720px) {
							ul.ul_con_area {width:100%; max-width:1280px; margin-top:2.4rem; display:table;}
							ul.ul_con_area li {display:inline-block; vertical-align:top; }
							li.li_con_area01 {width:100%; }
							li.li_con_area01 img {width:100%; height:auto;}
							li.li_con_area02 {width:100%; margin-top:2rem;}

						}

						@media screen and (min-width:721px) and (max-width:1024px) {
							ul.ul_con_area {width:100%; max-width:1280px; margin-top:2.4rem; display:table;}
							ul.ul_con_area li {display:inline-block; vertical-align:top; }
							li.li_con_area01 {width:100%; }
							li.li_con_area01 img {width:100%; height:auto;}
							li.li_con_area02 {width:100%; margin-top:2rem;}
						}

						@media screen and (min-width:1025px) and (max-width:1366px) {
							ul.ul_con_area {width:100%; max-width:1280px; margin-top:2.4rem; display:table;}
							ul.ul_con_area li {display:inline-block; vertical-align:top; }
							li.li_con_area01 {width:51%; }
							li.li_con_area01 img {width:100%; height:auto;}
							li.li_con_area02 {width:45%; margin-left:4%;}
						}

						@media screen and (min-width:1367px) {
							ul.ul_con_area {width:100%; max-width:1280px; margin-top:2.4rem; display:table;}
							ul.ul_con_area li {display:inline-block; vertical-align:top; }
							li.li_con_area01 {width:51%; }
							li.li_con_area01 img {width:100%; height:auto;}
							li.li_con_area02 {width:45%; margin-left:4%;}
						}

						
						/* 개요 페이지 종료 */

/* 전 서브페이지 공통 wapper 시작 */
@media screen and (max-width:720px) {
	.content_area {width:94%; height:auto; position:relative;}
}

@media screen and (min-width:721px) and (max-width:1024px) {
	.content_area {width:94%; height:auto; position:relative;}
}

@media screen and (min-width:1025px) and (max-width:1920px) {
	.content_area {width:100%; max-width:1200px; height:auto; position:relative; background: #f3f2f0;}
}

@media screen and (min-width:1367px) {
	.content_area {width:100%; max-width:1200px; height:auto; position:relative; }
}

/* 푸터 스타일 */
.footer { background: #333; color: #fff; padding: 50px 0 20px; }
.footer-info h3 { font-family: 'Montserrat', sans-serif; margin-bottom: 15px; color: #2a9689; }
.footer-info p { opacity: 0.7; font-size: 0.9rem; margin-bottom: 5px; }
.footer-copy { 
    margin-top: 40px; 
    padding-top: 20px; 
    border-top: 1px solid #444; 
    text-align: center; 
    font-size: 0.8rem; 
    opacity: 0.5; 
}