body {
    overflow-x: auto;
    font-size: 83%;
    line-height: 1.4em;
}

#header_back {
    padding-left: 30px;
}

.navbar-menu {
    display: none;
}

h2.menu-title {
    background-image: url(../images/side_navi_h2.gif);
    background-repeat: repeat-x;
    font-size: 140%;
    font-weight: normal;
    color: #FFF;
    height: 33px;
    overflow: hidden;
    padding-left: 5px;
    display: block;
}

ul.menu {
    margin-bottom: 10px;
}

ul.menu li {
    display: block;
    background-image: url(../images/side_navi_menu_li.gif);
    background-repeat: repeat-x;
    background-position: bottom;
    list-style-type: none;
}

ul.menu li a {
    color: #000;
    display: block;
    padding: 5px;
}

nav h2.menu-title:before, #content #side_navi h2:before, .container #pc-side-menu h2:before {
    display: none;
    content: "\f009";
    font-family: "Font Awesome 5 Solid";
}

#main #navi {
    width: 640px;
    float: left;
    padding-top: 10px;
  }
  
#navi #navi_link {
    background-image: url(../images/side_navi_h2.gif);
    background-repeat: repeat-x;
    font-size: 100%;
    font-weight: bold;
    color: #FFF;
    padding: 7px;
    margin-bottom: 5px;
}
  
#navi #navi_link a:link {
    text-decoration: none;
}
  
#navi #navi_link a {
    color: #fff;
    cursor: pointer;
    text-decoration: none;
}

#header_back {
    padding-left: calc(50% - 224px);
}

#content h1 {
    font-size: 120%;
    font-weight: 600;
}

#content #navi {
    width: unset;
    margin-top: 10px;
}

#main #navi #navi_link {
    background-image: url(../images/side_navi_h2.gif);
    background-repeat: repeat-x;
    font-size: 100%;
    font-weight: bold;
    color: #FFF;
    padding: 7px;
    margin-bottom: 5px;
}

#main #navi #navi_link a {
    color: #FFF;
}

.humberger-button {
    margin: 5px 0px 5px 150px;
}

.navbar-burger:hover {
  background: maroon;
}

.navbar-burger span {
  height: 2px;
}

.navbar-fixed {
  top: 0;
  right: 0;
  z-index: 1000;
  position: fixed;
  width: 10%;
  height: 3.5rem;
  background: maroon;
  color: white;
  font-weight: 900;
}

.navbar-fixed span {
  height: 2px;
  color: white;
}

footer.footer {
    background-color: #fafafa;
    padding: 3rem 0rem 6rem calc(30% - 1rem);
}

/* smartPhone */
@media screen and (max-width: 640px) {
    footer.footer {
        background-color: #fafafa;
        padding: 3rem 0rem 6rem calc(10% - 1rem);
    }
}

@media screen and (min-width: 769px) {
    .column.is-3, .column.is-3-tablet {
        flex: none;
        width: 300px;
    }
}