#menu {
  width: 210px;
  margin: 0 ;
}
#menu-btn {
  display: none;
}
#menu-content {
  margin: 0 0 15px;
  list-style-type: none;
}
#menu-content > li {
  position: relative;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
#menu-content > li > a {
  text-align: center;
  display: block;
  padding: 10px 15px;
  color: #FFF;
  text-decoration: none;
  background-image: linear-gradient(90deg, #5CB0DF, #0098d6);
  border-bottom: solid 3px #0074A3;
  margin-bottom: 5px;
  border-radius: 3px;
}
#menu-content > li > a.subNav {
  text-align: center;
  display: block;
  padding: 10px 8px;
  color: #FFF;
  text-decoration: none;
  background-image: linear-gradient(90deg, #92D62F, #64B100);
  border-bottom: solid 3px #339300;
  margin-bottom: 5px;
  border-radius: 3px;
}
#navArea figure{
  box-shadow: 0px 4px 5px -5px rgba(0, 0, 0, 0.6);
  margin-bottom: 10px;
}
#menu-content .sub_text{
  font-size: 0.7em;
  line-height: 1.2em;
  margin: 5px 0 3px;
}
@media screen and (max-width: 960px) {
  nav {
    position: fixed;
    top: 0;
    left: -75%;
    bottom: 0;
    width: 75%;
    background: #fff;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    z-index: 3;
    opacity: 0;
  }
  .open nav {
    left: 0;
    opacity: 1;
  }
  nav .inner {
    padding: 25px;
  }
  nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  nav ul li {
    position: relative;
    margin: 0;
  }
  nav ul li a {
    display: block;
    color: #333;
    font-size: 14px;
    text-decoration: none;
    -webkit-transition-duration: 0.2s;
            transition-duration: 0.2s;
  }
  .toggle_btn {
    display: block;
    position: fixed;
    top: 16px;
    right: 2%;
    width: 40px;
    height: 30px;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    cursor: pointer;
    z-index: 3;
    background-color: #005177;
    padding: 5px 15px;
    border-radius: 4px;
  }
  .toggle_btn span {
    position: absolute;
    left: 7px;
    width: 26px;
    height: 2px;
    background-color: #FFF;
    border-radius: 4px;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
  }
  .toggle_btn span:nth-child(1) {
    top: 6px;
  }
  .toggle_btn span:nth-child(2) {
    top: 14px;
  }
  .toggle_btn span:nth-child(3) {
    bottom: 6px;
  }
  .open .toggle_btn span {
    background-color: #fff;
  }
  .open .toggle_btn span:nth-child(1) {
    -webkit-transform: translateY(8px) rotate(-315deg);
    transform: translateY(8px) rotate(-45deg);
  }
  .open .toggle_btn span:nth-child(2) {
    opacity: 0;
  }
  .open .toggle_btn span:nth-child(3) {
    -webkit-transform: translateY(-8px) rotate(315deg);
    transform: translateY(-8px) rotate(45deg);
  }
  #mask {
    display: none;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
  }
  .open #mask {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    opacity: 0.9;
    z-index: 2;
    cursor: pointer;
  }
  #menu-content {
    display: block;
  }
  #menu-content > li {
    width: 90%;
    margin: 15px auto 0;
  }
  #menu-content > li:hover {
    background: none;
  }
  #menu-content > li > a {
    color: #111;
    height: 100%;
    padding: 6px 0px 2px;
    font-size: 100%;
    background-image: none;
    border-radius: 0;
    border-bottom: 1px solid #005177;
  }
}
@media screen and (max-width: 768px) {
  .toggle_btn {
    display: block;
    position: fixed;
    top: 16px;
    right: 2%;
    width: 40px;
    height: 30px;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    cursor: pointer;
    z-index: 3;
    background-color: #005177;
    padding: 5px 15px;
    border-radius: 4px;
  }
}
@media screen and (max-width: 480px) {
  .toggle_btn {
    display: block;
    position: fixed;
    top: 10px;
    right: 2%;
    width: 40px;
    height: 30px;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    cursor: pointer;
    z-index: 3;
  }
}

/* SP用スタイル */
@media screen and (max-width: 959px) {
  .toggle_btn {
    display: block;
  }
  #mask {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /*background-color: rgba(0, 0, 0, 0.5);*/
    background-color: rgba(0,0,0,0.60);
    z-index: 10;
  }
  #navArea.open #mask {
    display: block;
  }
  #navArea figure{
    width: 92%;
    margin: 15px auto 0;
  }
}