@charset "utf-8";
/*ios対応背景*/
body::before {
}
/*drop-down-menu*/
ul.menu_second-level {
    visibility: hidden;
    opacity: 0;
    z-index: 6;
	display: flex;
	flex-direction: column;
}
.open ul .menu_second-level {
    background-color: #EDEDED;
}
.init-bottom:after {
    content: '';
    display: none;
    width: 6px;
    height: 6px;
    margin: 0 0 0 15px;
    border-right: 1px solid #fff;
    border-bottom: 1px solid #fff;
    -webkit-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    transform: rotate(45deg);
}
li.menu_single ul.menu_second-level {
    position: absolute;
    top: 40px;
    width: inherit;
    -webkit-transition: all .2s ease;
    transition: all .2s ease;
}

li.menu_single:hover ul.menu_second-level {
    top: 50px;
    visibility: visible;
    opacity: 1;
}
/* floatクリア */
.menu_single:before,
.menu_single:after {
    content: " ";
    display: table;
}

.menu_single:after {
    clear: both;
}
.menu_single {
    *zoom: 1;
}
/*コウノトリ飛行*/
.flying img {
	animation: fluffy 4s ease infinite;
}
@keyframes fluffy {
	0% {transform: translateY(3%);}
	50% {transform: translateY(-3%);}
	100% {transform: translateY(3%);}
}

@media (max-width: 768px) {
.open nav {
  left: 0;
  opacity: 1;
}
nav .inner {
  padding: 25px;
}
nav .inner ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
nav .inner ul li {
  position: relative;
  margin: 0;
  border-bottom: 1px solid #333;
}
nav .inner ul li a {
  display: block;
  color: #333;
  font-size: 14px;
  padding: 1em;
  text-decoration: none;
  transition-duration: 0.2s;
}
nav .inner ul li a:hover {
  background: #e4e4e4;
}

.toggle_btn {
  display: block;
  position: fixed;
  top: 30px;
  right: 30px;
  width: 30px;
  height: 30px;
  transition: all 0.5s;
  cursor: pointer;
  z-index: 3;
}
.toggle_btn span {
  display: block;
  position: absolute;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: #333;
  border-radius: 4px;
  transition: all 0.5s;
}
.toggle_btn span:nth-child(1) {
  top: 4px;
}
.toggle_btn span:nth-child(2) {
  top: 14px;
}
.toggle_btn span:nth-child(3) {
  bottom: 4px;
}
.open .toggle_btn span {
  background-color: #000000;
}
.open .toggle_btn span:nth-child(1) {
  -webkit-transform: translateY(10px) rotate(-315deg);
  transform: translateY(10px) rotate(-315deg);
}
.open .toggle_btn span:nth-child(2) {
  opacity: 0;
}
.open .toggle_btn span:nth-child(3) {
  -webkit-transform: translateY(-10px) rotate(315deg);
  transform: translateY(-10px) rotate(315deg);
}
/*============
#mask
=============*/
#mask {
  display: none;
  transition: all 0.5s;
}
.open #mask {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.8;
  z-index: 2;
  cursor: pointer;
}
}