@charset "utf-8";
/* side navi area */
#sidenav{
    display: flex;
    flex-direction: column;
    margin-right: 24px;
    width: 285px;
}
/* category title area */
input {
    display: none;
}

#label_basic,
#label_advance,
#label_reference{
    display: block;
    height: 3.3rem;
    width: 100%;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    border-radius: 10px;
    color: #fff;
    cursor: pointer;
}

#label_basic{
    background-color: #009e80;
}

#label_advance{
    background-color: #025aaa;
}

#label_reference{
    background-color: #0bb7d3;
}

.labelTitle_wrapper{
    display: flex;
    flex-direction: row;
}

.symbol{
    height: 1.5rem;
    padding: 0.8rem 0.5rem 1.1rem 1rem;
    width: 1.5rem;
}

.labelTitle{
    height: 3.3rem;
    line-height: 3.3rem;
    width: 2.5rem;
}

.down{
    height: 3.3rem;
    margin-left: calc(100% - 3rem - 2.5rem - 3.3rem);
}
/* section title area */
#sidenav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

#sidenav li {
    max-height: 0;
    overflow-y: hidden;
    transition: all 0.5s;

}

#sidenav p{
    margin: 0;
}

.navi_style{
    height: auto;
    font-size: 1.2rem;
    padding-left: 5px;
    width: auto;
}

.navi_item{
    font-size: 1rem;
    height: auto;
    margin-left: 30px;
    padding: 5px;
    width: auto;
}

ul ul ul .navi_item{
    margin-left: 60px;
}

.active_basic{
    background-color: #009e80;
}

.active_advance{
    background-color: #025aaa;
}

.active_reference{
    background-color: #0bb7d3;
}

.active_basic a,
.active_advance a,
.active_reference a{
    color: #fff;
}

.navi_style a{
    display: block;
    line-height: 1;
    padding: 10px;
    text-decoration: none;
}

.nav_label{
    display: flex;
    flex-direction: row;
}

.icon_arrow{
    height: 13px;
    padding: 9px 5px 9px 0;
    width: 13px;
}

.guidance{
    cursor: pointer;
}

.guidance div{
    height: 2rem;
    line-height: 2rem;
    margin-left: 30px;
}

.guidance span{
    font-size: 0.8rem;
    margin-right: 5px;
}

.down_arrow{
    height: 0.8rem;
    width: 0.8rem;
    vertical-align: middle;
    transform: rotate(90deg);
}

.sectionHeight{
    max-height: 0;
    overflow-y: hidden;
    transition: all 0.5s;

}
/* if checkbox checked */
#basic:checked ~ #label_basic,
#advance:checked ~ #label_advance,
#reference:checked ~ #label_reference{
    border-radius: 10px 10px 0 0;
    margin-bottom: 0;
}

#basic:checked ~ #label_basic .down,
#advance:checked ~ #label_advance .down,
#reference:checked ~ #label_reference .down {
    margin: 0;
    margin-left: calc(100% - 2.5rem - 2.5rem - 3.3rem - 0.5rem);;
    transform: rotate(180deg);
}

#basic:checked ~ #sidenav_01 li,
#advance:checked ~ #sidenav_02 li,
#reference:checked ~ #sidenav_03 li {
    max-height: 1400px;
    opacity: 1;
}

#basic:checked ~ #sidenav_01{
    border: solid #009e80;
    border-bottom: solid 1rem #009e80;
    border-radius: 0 0 10px 10px;
    margin-bottom: 1rem;
}

#advance:checked ~ #sidenav_02{
    border: solid #025aaa;
    border-bottom: solid 1rem #025aaa;
    border-radius: 0 0 10px 10px;
    margin-bottom: 1rem;
}

#reference:checked ~ #sidenav_03{
    border: solid #0bb7d3;
    border-bottom: solid 1rem #0bb7d3;
    border-radius: 0 0 10px 10px;
    margin-bottom: 1rem;
}

[id*="num"]:checked ~ .sectionHeight{
    max-height: 400px;
    opacity: 1;
}

[id*="num"]:checked ~ .guidance .down_arrow{
    transform: rotate(270deg);
}