div.message {
    text-align: center;
    cursor: pointer;
    display: block;
    font-weight: normal;
    padding: 0 1.5rem 0 1.5rem;
    transition: height 300ms ease-out 0s;
    background-color: #a0d3e8;
    color: #626262;
    top: 15px;
    right: 15px;
    z-index: 999;
    overflow: hidden;
    height: 50px;
    line-height: 2.5em;
}

div.message:before {
    line-height: 0px;
    font-size: 20px;
    height: 12px;
    width: 12px;
    border-radius: 15px;
    text-align: center;
    vertical-align: middle;
    display: inline-block;
    position: relative;
    left: -11px;
    background-color: #FFF;
    padding: 12px 14px 12px 10px;
    content: "i";
    color: #a0d3e8;
}

div.message.error {
    background-color: #C3232D;
    color: #FFF;
}

div.message.error:before {
    padding: 11px 16px 14px 7px;
    color: #C3232D;
    content: "x";
}
div.message.hidden {
    height: 0;
}

/*-------suenaga 20220412-------------------*/
#page_top{
    width: 240px;
    height:180px;
    position: fixed;
    right: 0;
    bottom: 0;
    opacity: 0.6;
  }
  #page_top a{
    position: relative;
    display: block;
    width: 90px;
    height: 90px;
    text-decoration: none;
  }
  #page_top a::before{
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    content: '\f102';
    font-size: 25px;
    color: #3f98ef;
    position: absolute;
    width: 25px;
    height: 25px;
    top: -40px;
    bottom: 0;
    right: 0;
    left: 0;
    margin: auto;
    text-align: center;
  }
  #page_top a::after{
    content: 'PAGE TOP';
    font-size: 13px;
    color: #fff;
    position: absolute;
    top: 45px;
    bottom: 0;
    right: 0;
    left: 0;
    margin: auto;
    text-align: center;
    color: #3f98ef;
  }