.sideNavContainer {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 240px;
    min-height: 100vh;
    background-color: #fff;
    transform: translateY(-70px);
    border-radius: 10px 10px 0 0;
    border-left: 1px solid #b4b4b4;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.sideNavContainer .sideNavHeader {
    width: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: -7rem 0 1.1rem;
    position: relative;
    height: 14rem;
    font-size: 3rem;
    color: #fff;
    text-align: center;
    border-radius: 0 4rem 4rem;
    background: linear-gradient(127deg, #00389D 11.67%, #007FA7 92.55%);
}

.sideNavList {
    margin-top: 10px;
    padding: 0 10px;
    list-style: none;
    padding-bottom: 50px; /* 하단 여백 추가 */
}

.sideNavList li.navMenuItem {
    position: relative;
    margin-bottom: 15px;
}

/* 기존 박스 스타일을 점선 밑줄 스타일로 변경 */
.sideNavList li.navMenuItem .navMenuHeader {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: none;
    border-bottom: 1px dashed #D8D8D8;
    border-radius: 0;
    padding-bottom: 5px;
    transition: all 0.2s ease;
}

.sideNavList li.navMenuItem .navMenuHeader .navMenuLink {
    display: block;
    font-size: 18px;
    font-weight: 500;
    line-height: 1em;
    color: #666666;
    padding: 15px 5px 15px 0;
    text-decoration: none;
    flex: 1;
    transition: all 0.2s ease;
}

/* + 아이콘으로 변경하고 스타일 수정 */
.sideNavList li.navMenuItem .navMenuHeader .navMenuExpandBtn {
    margin-right: 5px;
    width: 20px;
    height: 20px;
    border: 0;
    border-radius: 0;
    background-color: transparent;
    color: #666666;
    text-indent: 0;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 18px;
    font-weight: bold;
}

.sideNavList li.navMenuItem .navMenuHeader .navMenuExpandBtn:before {
    content: "+";
}

.sideNavContainer::after {
    content: '';
    position: fixed;
    top: 100vh;
    left: 0;
    width: 3px;
    /*z-index: 999;*/
}

/* 확장된 상태 스타일 */
.sideNavList li.navMenuItem-expanded .navMenuHeader {
    border-bottom-color: #154396;
}

.sideNavList li.navMenuItem-expanded .navMenuHeader .navMenuLink {
    color: #154396;
    font-weight: bold;
}

.sideNavList li.navMenuItem-expanded .navMenuHeader .navMenuExpandBtn {
    color: #154396;
    transform: rotate(45deg);
}

.sideNavList li.navMenuItem-expanded .navMenuHeader .navMenuExpandBtn:focus {
    outline-style: dashed;
    outline-width: 2px;
}

/* 호버 효과 추가 */
.sideNavList li.navMenuItem .navMenuHeader:hover {
    border-bottom-color: #154396;
}

.sideNavList li.navMenuItem .navMenuHeader:hover .navMenuLink {
    color: #154396;
}

.sideNavList li.navMenuItem .navMenuHeader:hover .navMenuExpandBtn {
    color: #154396;
}

.sideNavList .navSubMenuList {
    display: none;
    position: relative;
    padding: 12px 10px 12px 20px;
    border-radius: 0 0 10px 10px;
    background: #f7f7f7;
    list-style: none;
}

.sideNavList li.navMenuItem-expanded .navSubMenuList {
    display: block;
}

.sideNavList .navSubMenuList li {
    padding: 5px 0;
}

.sideNavList .navSubMenuList li .navSubMenuLink {
    display: block;
    position: relative;
    padding: 5px 5px 5px 15px;
    font-size: 16px;
    line-height: 1em;
    font-weight: normal;
    letter-spacing: -0.30px;
    color: #353535;
    text-decoration: none;
}

.sideNavList .navSubMenuList li .navSubMenuLink:before {
    content: "•";
    position: absolute;
    top: 50%;
    left: 5px;
    transform: translateY(-50%);
    color: #353535;
}

.sideNavList .navSubMenuList li .navSubMenuLink:hover,
.sideNavList .navSubMenuList li .navSubMenuLink:active,
.sideNavList .navSubMenuList li .navSubMenuLink.active {
    color: #154396;
    text-decoration: underline;
}

.sideNavList .navSubMenuList li .navSubMenuLink:hover:before,
.sideNavList .navSubMenuList li .navSubMenuLink:active:before,
.sideNavList .navSubMenuList li .navSubMenuLink.active:before {
    color: #154396;
}

/* 메인 컨텐츠 영역 */
.mainContent {flex: 1;margin-left: 240px;padding: 40px;font-size: 15px;position: relative;z-index: 1;}

/* 사이드바 영역에 배경 그라데이션 추가 (선택사항) */
.sideNavContainer::before {content: '';position: absolute;top: 0;left: 0;right: 0;bottom: 0;background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);z-index: -1;}
@media screen and (max-width: 1300px) {
    .sideNavContainer {display: none !important;}
    .side-nav-toggle {display: none !important;}
}