@charset "utf-8";

#nav_toggle {
	position: fixed;
    top: 0;
    right: 0;
    height: 20px;
    cursor: pointer;
    padding: 10px;
    background: rgba(255,255,255,0.8);
	border-radius: 0 0 0 10px;
    box-shadow: 0 0 10px rgb(0 0 0 / 10%);
}
#nav_toggle > div {
  position: relative;
  width: 25px;
}
#nav_toggle span {
  width: 100%;
  height: 2px;
  left: 0;
  display: block;
  background: #333;
  position: absolute;
  transition: transform 0.6s ease-in-out, top 0.5s ease;
}
#nav_toggle span:nth-child(1) {top: 0;}
#nav_toggle span:nth-child(2) {top: 7px;}
#nav_toggle span:nth-child(3) {top: 14px;}

#nav_toggle:hover span:nth-child(1) {top: 0;}
#nav_toggle:hover span:nth-child(2) {top: 10px;}
#nav_toggle:hover span:nth-child(3) {top: 20px;}

.open #nav_toggle{background:none;}
.open #nav_toggle span {background: #fff;}
.open #nav_toggle span:nth-child(1) {
  top: 15px;
  transform: rotate(45deg);
}
.open #nav_toggle span:nth-child(2) {
  top: 15px;
  width: 0;
  left: 50%;
}
.open #nav_toggle span:nth-child(3) {
  top: 15px;
  transform: rotate(-45deg);
}


/* z-index */
#nav_toggle {z-index: 100;}
#container {z-index: 90;}
#hum_nav {
  background-color: rgba(0,0,0,0.9);
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  text-align: center;
  display: flex;
  visibility: hidden;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#hum_nav ul{margin:0;padding:0;}
#hum_nav a {
  font-family: 'Noto Serif JP', serif;
  display: block;
  color: #fff;
  text-decoration: none;
  padding: 10px 0;
  transition: color 0.6s ease;
  font-size:1.8rem;
  font-weight:600;
}
#hum_nav a:hover {color: #666;}
#hum_nav ul {list-style: none;}
#hum_nav ul li {
  opacity: 0;
  transform: translateY(200px);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
#hum_nav ul li:nth-child(2) {transition-delay: 0.10s;}
#hum_nav ul li:nth-child(3) {transition-delay: 0.15s;}
#hum_nav ul li:nth-child(4) {transition-delay: 0.20s;}
#hum_nav ul li:nth-child(5) {transition-delay: 0.25s;}
#hum_nav ul li:nth-child(6) {transition-delay: 0.30s;}
#hum_nav ul li:nth-child(7) {transition-delay: 0.35s;}
#hum_nav ul li:nth-child(8) {transition-delay: 0.40s;}

#hum_nav a img{width:25%;height:auto;}


/* open */
.open {overflow: hidden;}
.open #hum_nav {visibility:visible;opacity: 1;}
.open #hum_nav li {opacity: 1;transform: translateX(0);transition: transform 1s ease, opacity 0.4s ease;}


@media screen and (max-width: 959px){
#nav_toggle{display:block;}
#hum_nav a{font-size:1rem;}
.index_contents_inner{width:100%;}
}