@charset "Shift_JIS";

#cover{
    width: 100%;
    height: 100%;
    z-index: 100;
    position: fixed;
    top: 0;
    left: 0;
    background: rgba(0,0,0,0.7);
    cursor: pointer;
}

button.close{
    position: absolute;
    right: 0.5em;
    top: 0.5em;
    margin: 0;
    padding: 0;
    cursor: pointer;
    border: none;
    background-color: #FFF;
}

button.close img{
    display: block;
}