/* ハンバーガーメニューCSS */
@media(max-width:800px){


  .header-site-menu ul{
    flex-direction: column;
    gap: 50px;
    margin-top: 10px;
    margin-bottom: 10px;
  }
  .header-inner{
    position: relative;
  }
 .header-site-menu{
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  text-align: center;
  background-color: #000000;
  color: #ffffff;
  z-index: 100;
  display: none;
  }

.header-site-menu.is-show{
  display: block;

}

.toggle-menu-button {
  display: block;
  position: relative;
  width: 40px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  margin-right: 10px;
}

.toggle-menu-button::before,
.toggle-menu-button::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: #000;
  transition: transform 0.3s;
}

.toggle-menu-button::before {
  top: 0;
}

.toggle-menu-button::after {
  bottom: 0;
}

.toggle-menu-button span {
  display: block;
  position: absolute;
  top: 50%;
  width: 100%;
  height: 4px;
  background-color: #000;
  transform: translateY(-50%);
  transition: opacity 0.3s;
}
  /* ここでバッテンの形にする */
.toggle-menu-button.is-active::before {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.toggle-menu-button.is-active::after {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

.toggle-menu-button.is-active span {
  opacity: 0;
}
}