@import url("https://fonts.googleapis.com/css2?family=Sarabun:ital,wght@0,400;0,600;0,800;1,400;1,600;1,800&display=swap");
.fat_wrap {
  display: none;
}
@media (min-width: 768px) {
  .fat_wrap {
    display: block;
    position: relative;
    z-index: 6;
  }
}
.fat_wrap a:focus {
  outline: 2px dotted #ffcc02;
}

.fatbtn_bar {
  height: 10px;
  border-top: 10px solid #0074d3;
}

.fatbtn {
  position: relative;
  z-index: 6;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: 140px;
  height: 39px;
  margin: 0 auto;
  padding-top: 0.5rem;
  color: white;
  background-color: #0074d3;
  border-radius: 0 0 1.5rem 1.5rem;
}
.fatbtn::before, .fatbtn::after {
  content: "";
  display: block;
  position: absolute;
  z-index: -1;
  top: 0;
  width: 1.5rem;
  height: 1.5rem;
  background: -o-radial-gradient(top left, circle, transparent 1.5rem, #0074d3 0);
  background: radial-gradient(circle at top left, transparent 1.5rem, #0074d3 0);
}
.fatbtn::before {
  left: -1.5rem;
  -webkit-transform: rotate(-90deg);
      -ms-transform: rotate(-90deg);
          transform: rotate(-90deg);
}
.fatbtn::after {
  right: -1.5rem;
  -webkit-transform: rotate(-180deg);
      -ms-transform: rotate(-180deg);
          transform: rotate(-180deg);
}
.fatbtn:hover {
  background-image: -webkit-gradient(linear, left bottom, left top, from(#40a1ec), color-stop(65%, #0074d3));
  background-image: -o-linear-gradient(bottom, #40a1ec 0%, #0074d3 65%);
  background-image: linear-gradient(0deg, #40a1ec 0%, #0074d3 65%);
}

.fat_open {
  background-color: #222222;
}
.fat_open .fatbtn_bar {
  height: auto;
}

.fat_content {
  display: none;
  width: 100%;
  overflow: hidden;
  background-color: #222222;
}

.fat_nav {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  padding: 1.5em 0;
}
.fat_item {
  width: calc(99.9% / 4);
  padding: 0 10px;
}

.fat_item_tit a {
  display: block;
  height: 50px;
  padding: 1rem 0;
  margin-bottom: 1rem;
  font-size: 1.125em;
  color: #40a1ec;
  border-bottom: 1px solid #40a1ec;
}
.fat_item_tit a:hover {
  text-decoration: underline;
}

.fat_item_list a {
  display: block;
  padding-bottom: 1em;
  color: #b8b8bf;
  font-size: 0.875em;
  line-height: 1.4;
  word-wrap: break-word;
}
.fat_item_list a:hover {
  text-decoration: underline;
}

.no-js .fatbtn_bar {
  display: none;
}
.no-js .fat_content {
  display: block;
  border: 0;
}