.menu-btn {
  position: fixed;
  top: 10px;
  right: 10px;
  display: flex;
  height: 60px;
  width: 60px;
  justify-content: center;
  align-items: center;
  z-index: 90;
}
.menu-btn span, .menu-btn span:before, .menu-btn span:after {
  content: '';
  display: block;
  height: 2px;
  width: 30px;
  border-radius: 3px;
  background-color: #666666;
  position: absolute;
}
.menu-btn span:before {
  bottom: 8px;
  width: 35px;
  left: -5px;
}
.menu-btn span:after {
  top: 8px;
  width: 25px;
  left: 5px;
}
#menu-btn-check:checked ~ .menu-btn span {
  background-color: rgba(255, 255, 255, 0); /*メニューオープン時は真ん中の線を透明にする*/
}
#menu-btn-check:checked ~ .menu-btn span::before {
  bottom: 0;
  transform: rotate(45deg);
  width: 30px;
  left: 0px;
}
#menu-btn-check:checked ~ .menu-btn span::after {
  top: 0;
  transform: rotate(-45deg);
  width: 30px;
  left: 0px;
}
#menu-btn-check {
  display: none;
}
.menu-content {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  background-color: #F8B616;
}
.menu-content ul {
  padding: 30px 30px 0;
}
.menu-content ul li {
  list-style: none;
}
.menu-content ul li a {
  display: block;
  width: 200px;
  box-sizing: border-box;
  color: #ffffff;
  text-decoration: none;
  padding: 9px 15px 10px 0;
  margin: 30px;
  position: relative;
}
.menu-content ul li a::before {
  content: "";
  width: 15px;
  height: 15px;
  border-top: solid 2px #ffffff;
  border-right: solid 2px #ffffff;
  transform: rotate(45deg);
  position: absolute;
  right: 11px;
  top: 20px;
}
.menu-content {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 100%; /*leftの値を変更してメニューを画面外へ*/
  z-index: 80;
  background-color: #F8B616;
  transition: all 0.5s; /*アニメーション設定*/
}
#menu-btn-check:checked ~ .menu-content {
  left: 0; /*メニューを画面内へ*/
}
.hb_abo {
  background-color: #FDEDC5;
  bottom: 0px;
  position: fixed;
  width: 100%;
}
.fixed_btn {
  position: fixed;
  bottom: 40px;
  right: 40px;
  padding: 6px 40px;
}
@keyframes scroll-anim {
  from {
    opacity: 0;
    scale: 0.9;
  }
  to {
    opacity: 1;
    scale: 1;
  }
}
.item {
  animation: scroll-anim linear;
  animation-timeline: view();
  animation-range: entry 0% contain 100%;
}
.item {
  text-align: center;
  width: 50px;
  height: 50px;
  position: fixed;
  bottom: 40px;
  right: 40px;
}