@charset "UTF-8";
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.center{
    text-align: center;
}

.bold{
    font-weight: bold;
}

.selected{
    color: red;
}

#create_acount{
    margin: 100px;
}

#logout_acount{
    margin: 100px;
}

#main{
    display: flex;
    flex-direction: column;
    width: 100vw;
    height: 100vh;
}

#main-section{
    display: flex;
    height: 100%;
}

#control{
    overflow: hidden;
}

#site-panel{
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    border:2px solid black;
    overflow: hidden;
}

#site-panel > div{
    display: flex;
}

#site-list{
    flex-grow: 1;
    overflow: auto;
}

#site-list ul{
    list-style: none;
    white-space: nowrap;
}

#site-list ul li a{
    display: block;
}

#article-list{
    flex-grow: 1;
    border:2px solid black;
    overflow: auto;
}

#article-list ol{
    list-style-type:decimal;
    list-style-position: inside;
    white-space: nowrap;
}

#contents{
    width: 100%;
    height: 100%;
    flex-grow: 1;
}

#mask{
    display: none;
}

#mask.appear{
    display: block;
    background: rgba(0,0,0,0.7);
    position: fixed;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    z-index: 1;
}

.dialog{
    display: none;
}

.dialog_appear{
    display: block;
    position: fixed;
    left:50%;
    top:50%;
    transform: translateX(-50%) translateY(-50%);
    border: 1px solid black;
    padding: 8px;
    background-color: white;
    z-index: 2;
}

.dialog input{
    border: 1px solid black;
}