/* ハンバーガーアイコン */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 20px;
  cursor: pointer;
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 1100;
}
.hamburger span {
  height: 3px;
  background: #333;
  border-radius: 2px;
  transition: 0.3s;
}

/* ハンバーガー開閉時のアニメーション */
.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ナビゲーションの表示切替 */
.nav-menu {
  display: block;
  padding-left: 30px;
}
@media screen and (max-width:1280px) {
  .nav-menu {
  font-size:1.2rem;
	}
}
@media screen and (max-width:1024px) {
  .nav-menu {
  padding-left: 10px;
	}
}
@media (max-width: 767px) {
  .nav-menu {
    display: none;
    flex-direction: column;
    background: var(--main-color);
    position: absolute;
    top: 70px;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    z-index: 1000;
	width: 100%;
	text-align: left;
  }
  .nav-menu.active {
    display: flex;
  }
  .hamburger {
    display: flex;
  }
}