/*css초기화 및 기본 세팅*/
		body,h1,h2,h3,p,ul,li{margin: 0; padding:0px; word-break: keep-all; }
		h1,h2,h3,p{font-family: 'Pretendard'}
		h1,h2,h3{font-weight: 700;}
		p{font-weight: 400;}
		header,section{width: 100%; position: relative;}

/*nav*/
	.side-nav {
	    position: fixed;
	    top: 0;
	    left: 0;
	    width: 180px; 
	    height: 100vh;
	    background-color: #aaa;
	    border-right: 1px solid black;
	    display: flex;
	    flex-direction: column;
	    box-sizing: border-box;
	    z-index: 1000;
		}

	.nav-box {
	    flex: 1 1 0; /* 5개 칸이 화면 높이를 정확히 5등분하여 균등하게 차지 */
	    display: flex;
	    align-items: center;
	    justify-content: center;
	    border-bottom: 1px solid black;
	    text-decoration: none;
	    color: #000;
	    font-family: 'Pretendard';
	    font-size: 1.4rem;
	    font-weight: 700;
	    cursor: pointer;
	    transition: background-color 0.2s ease;
		}
	.nav-box:last-child {
    border-bottom: none;
	}
	.nav-arrow {
    font-size: 2rem;
    font-weight: 300;
	}

/*main*/
.main-content {
    margin-left: 180px; 
    width:calc(100% - 180px);
    box-sizing: border-box;
    overflow: hidden;
	}


/*header*/
	h1{font-size: 7.5rem; line-height: 1;}
	.header-contents{position: relative;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
	width:100%;
    margin:0 auto;
    padding:0 40px;
    box-sizing:border-box;
	}
    .header-contents::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,
        rgba(255, 255, 255, 0) 40%,
        rgba(255, 255, 255, 0.7) 90%,
        rgba(255, 255, 255, 1) 100%);
    z-index: 1;}
    .header-text {
    position: relative;
    z-index: 2; 
	}
    
/*outline*/
	h2{font-size: 2.3rem; line-height: 1.8;}
	.o-contents{width:100%;
    padding:100px;
    box-sizing:border-box;}
	.o-title{font-size: 1.2rem;
		width: 100px;
		margin-bottom:20px; }
	.o-row {
    display: flex;
    align-items: center;
    border-bottom: 2.5px solid #000; 
    padding: 10px 0;
	}
	.o-row h2 {
	font-size: 2.3rem; 
	line-height: 1.2;
	margin: 0;
	}
	.o-row h2:first-child {
	width: 300px;     
	flex-shrink: 0;     
	}
	.o-index{padding-right: 100px;}


/*info*/
	.i-contents{width:100%;
    padding:100px;
    box-sizing:border-box;}
    .i-text{width: 1200px;}
	.hover-popup-container {
    position: relative;
    display: inline-block;
	}
	.txt-hover {
    display: inline-block; 
    text-decoration: underline; 
    text-underline-offset: 6px; 
    transition: background-color 0.2s ease, color 0.2s ease, text-decoration 0.2s ease;
    padding: 0 4px; 
    cursor: pointer;
	}
	.hover-popup-container:hover .txt-hover {
    text-decoration: none;   
    background-color: #000;  
    color: #aaa;               
	}
	.preview-box {
    position: absolute;
    bottom: 100%; 
    left: 30%;
    margin-left: 10px;
    margin-bottom: 5px;
    transform: translateY(10px);
    display: flex;
    width: 400px;
    background-color: #000;
    padding: 12px;
    box-sizing: border-box;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    z-index: 200;
	}
	
	.hover-popup-container:hover .preview-box {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
	}
	
	.preview-box img {
    width: 200px;
    height: auto;
    object-fit: cover;
    display: block;
    filter: grayscale(50%);
	}
	
	.preview-caption {
    width: 40%;
    color: #fff;
    font-size: 1.1rem;
    line-height: 1.5;
    padding-left: 15px;
    padding-bottom: 50px;
    box-sizing: border-box;
    font-weight: 500;
    display: flex;
    align-items: center;
	}


	.conseq-section {
    display: flex;
    flex-direction: column; /* 💡 글자는 위, 박스들은 아래로 쌓이도록 설정 */
    width:100%;
    min-height:100vh;
    max-width:none;
    padding-left:0;
    height: 100vh; 
    background-color: #fff;
    box-sizing: border-box;
    padding-left: 180px;
    overflow-x: hidden;
	}

	.conseq-section-title {
    font-family: 'Pretendard';
    color: #000;
    width: 100px;
    margin: 0;
    padding-left: 50px;
    padding-top: 60px;     
    padding-bottom: 20px; 
	}


	.conseq-body {
    display: flex;
    width: 100%;
    flex: 1;
    box-sizing: border-box;
	}


	.conseq-menu {
    flex:0 0 25%;
    width: 500px;
    background-color: #e0e0e0; 
    padding: 40px 40px; /* 💡 내부 메뉴 정렬용 기본 패딩만 남김 */
    display: flex;
    flex-direction: column;
    gap: 15px; 
    box-sizing: border-box;
	}

	.conseq-tab {
    font-family: 'Pretendard', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: #000;
    padding: 5px 10px;
    margin: 0;
    cursor: pointer;
    background-color: transparent;
    transition: all 0.2s ease;
    align-self: flex-start; 
    width: 300px;
	}


	.conseq-tab:hover,
	.conseq-tab.active {
    background-color: #000;
    color: #aaa;
	}

	.conseq-content-viewport {
    flex:1;
    width:auto; 
    background-color: #000;
    position: relative; 
    box-sizing: border-box;
    overflow-y: auto;
    overflow-x: hidden;
	}


	.conseq-detail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 60px;
    padding-right: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 30px;
    box-sizing: border-box;  
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
	}

	.conseq-detail.active {
    opacity: 1;
    visibility: visible;
	}


	.conseq-detail img {
    width: 600px;
    height: auto;
    object-fit: contain;
    align-self: flex-start;
	}

	.detail-text {
    color: #aaa;
    word-break: keep-all;
    width: 600px;
	}