/* overlay-styles.css */
.hamburger-overlay {
  position: absolute;
  top: 50%;
  right: 10px;
  z-index: 1000;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
	margin-top: -20px;
}

.hamburger-overlay__line {
  position: absolute;
  left: 11px;
  width: 22px;
  height: 2px;
  background-color: #8e959e;
  transition: all .6s;
}

.hamburger-overlay__line:nth-of-type(1) { top: 11px; }
.hamburger-overlay__line:nth-of-type(2) { top: 19px; }
.hamburger-overlay__line:nth-of-type(3) { top: 27px; }

.hamburger-overlay.active .hamburger-overlay__line {
  background-color: #8e959e;
}

.hamburger-overlay.active .hamburger-overlay__line:nth-of-type(1) {
  transform: translateY(8px) rotate(-45deg);
}
.hamburger-overlay.active .hamburger-overlay__line:nth-of-type(2) {
  opacity: 0;
}
.hamburger-overlay.active .hamburger-overlay__line:nth-of-type(3) {
  transform: translateY(-8px) rotate(45deg);
}

.nav-overlay {
  position: fixed;
  top: 91px;
  left: 56px;
  width: calc(100% - 112px);
  height: calc(100vh - 142px);
  background-color: rgba(255, 255, 255, 0.95);
  visibility: hidden;
  opacity: 0;
  transition: all .6s;
  z-index: 900;
}

.nav-overlay.active {
  visibility: visible;
  opacity: 1;
}

.nav-overlay__content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  text-align: center;
}

.nav-overlay__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-overlay__item {
  opacity: 0;
  transform: translateY(20px);
  transition: all .6s;
}

.nav-overlay.active .nav-overlay__item {
  opacity: 1;
  transform: translateY(0);
}

.nav-overlay.active .nav-overlay__item:nth-child(1) { transition-delay: 0.1s; }
.nav-overlay.active .nav-overlay__item:nth-child(2) { transition-delay: 0.2s; }
.nav-overlay.active .nav-overlay__item:nth-child(3) { transition-delay: 0.3s; }
.nav-overlay.active .nav-overlay__item:nth-child(4) { transition-delay: 0.4s; }
.nav-overlay.active .nav-overlay__item:nth-child(5) { transition-delay: 0.5s; }
.nav-overlay.active .nav-overlay__item:nth-child(6) { transition-delay: 0.6s; }
.nav-overlay.active .nav-overlay__item:nth-child(7) { transition-delay: 0.7s; }

.nav-overlay__link {
  display: inline-block;
  padding: 20px;
  color: #747b85;
  font-size: 18px;
	font-family: "Noto Sans JP", sans-serif;
	letter-spacing: 0.1rem;
  text-decoration: none;
  transition: color .3s;
}

.nav-overlay__link:hover {
  color: #32527b;
}