.nav {
    --bs-nav-link-color: #000; 
}
@media (max-width: 768px) {
    a:not([href]):not([tabindex]):hover, a:not([href]):not([tabindex]):focus {
        color: inherit;
        text-decoration: none;
    }
}

@media (max-width: 768px) {
    a:not([href]):not([tabindex]) {
        color: inherit;
        text-decoration: none;
    }
}

@media screen and (max-width: 972px)  and (min-width: 767px) {
    .collapse-title[aria-expanded="true"]::before {
        content: "" !important;
        position: absolute !important;
        top: 100% !important; /* 敺� collapse-title 銝𧢲䲮 */
        left: 0 !important;
        width: 100% !important; /* 撖砍漲 */;
        height: 40px !important; /* �啗𠧧擃睃漲 */
        background-color: #eeeeee !important; /* �啗𠧧�峕艶 */;
        z-index: 1 !important; /* 閮剔蔭 z-index */;
        transition: height 0.5s ease-out, opacity 0.5s ease-out;
    }
}

@media (max-width: 767px) {
    .navbar-expand-sm .navbar-toggler {
        display: block !important;
    }
    .collapse:not(.show) {
        display: none !important;
    }
}

@media (max-width: 767px) {
    .collapse {
        display: none; 
        overflow: hidden; 
        position: relative; 
    }
    .collapse.show {
        display: block;
        /*margin-top: 10px;*/
        margin-bottom: 10px;
        /*padding: 10px 0;*/
    }
    .syllabus-item {
        margin-bottom: 20px; 
    }
    .navbar-toggler {
        display: inline-block !important;
    }
    .collapse.show {
        z-index: 100; 
    }
    .collapse-title img {
        max-width: 100%; 
    }
}

@media screen and (max-width: 767px) {
    .syllabus-item {
        width: 100% !important;
    }
}

@media (max-width: 668px) {
    .collapse {
        display: block !important;
        height: auto !important;
        overflow: visible !important;
        position: relative !important;
        z-index: auto !important;
        width: 100%!important;
        margin-left: 0.1px!important;
    }
    .collapse.show {
        display: block !important;
        height: auto !important;
        width: 100%!important;
        margin-left: 0.1px!important;
    }
    .collapse-content {
        position: relative !important;
        z-index: auto !important;
        width: 100%!important;
        margin-left: 0.1px!important;
    }
    .syllabus-item {
        margin-bottom: 20px;
    }
}
/*�凒��倴ss*/ /* 蝮賜雇 / ��𧢲�睲葉撠誩飛  ��撅閖�讠凒���*/
@media screen and (orientation: portrait) {
    
    .syllabus-item.col-md-4.col-sm-6 {  
        height: auto;
    }
    .syllabus-item.col-md-4.col-sm-6.focus-border {
        height: 286px;
    }
    
}
/*璈怠�倴ss*/ /* 蝮賜雇 / ��𧢲�睲葉撠誩飛  ��撅閖�𧢲帖���*/
@media screem and (orientation: landscape) {
    /*
    .collapse-content.collapse.show {
        transform: translateY(-1px);
    }
    .syllabus-card-item:before {
        position: absolute !important;
    }
    .syllabus-item.col-md-4.col-sm-6 {
        height: 296.6px;
        min-height: unset;
    }
    */
}