* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  background: #fbfeff;
}


.back {
  width: 1000px;
  height: 1000px;
  position: fixed;
  top:-50%;
  left:-20%;
  mix-blend-mode: multiply;
  background:  #d3f6ff ;
  border-radius: 50% 50% 50% 70%/50% 50% 70% 60%;
  animation: border-animation 8s infinite linear;
}

.back:nth-child(2) {
  background: #effff9;
  border-radius: 80% 30% 50% 50%/50%;
  animation: border-animation 6s infinite linear;
}

.back:nth-child(3) {
  background: #fffde2;
  border-radius: 40% 40% 50% 40%/30% 50% 50% 50%;
  animation: border-animation 5s infinite linear;
}

.back2 {
  width: 500px;
  height: 500px;
  position: fixed;
  bottom:-20%;
  right:-3%;
  mix-blend-mode: multiply;
  background: #fffade ;
  border-radius: 50% 60% 45% 70%/60% 65% 70% 50%;
  animation: border-animation 8s infinite linear;
}

.back3 {
  width: 500px;
  height: 500px;
  position: fixed;
  bottom:-20%;
  right:-3%;
  mix-blend-mode: multiply;
  background: #ffeaf5 ;
  border-radius: 80% 50% 70% 50%/70% 40% 50% 60%;
  animation: border-animation 3s infinite linear;
}

@keyframes border-animation {
  to { transform: rotate(360deg); }
}

#star {
    position: fixed;
    bottom:3%;
    width: 100%;
    height: 250px;
    background: url(img/star.png) repeat-x;
    background-position: 0 0;
    -webkit-animation: bgroop 30s linear infinite;
    animation: bgroop 30s linear infinite;
}
@-webkit-keyframes bgroop {
    from { background-position: 0  0; }
    to { background-position: -1000px 100; }
}
@keyframes bgroop {
    from {  background-position: 0 0;  }
    to {  background-position: -1000px 0;  }
}


#menu {
	background-image: linear-gradient(to top, #79b1e0 0%, #d9eaf4 100%);
	width:100%;
	display: flex;
  overflow: auto;
}

.nav_link {
	width: 90%;
	height: 90%;
	text-align: center;
  overflow: hidden;
  }

.button {
  font-size: 35px;
  width: 90%;
  height:95px;
	background: linear-gradient(-0deg, rgba(255, 255, 255, 0.5), rgba(80, 126, 255, .3));
 	box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.6);
	border-radius: 10px;
	border: dotted 4px #ffffff;
  color: #fff;
  font-family:'Helvetica Neue', meiryo, sans-serif;
	padding:20px 5px;
	text-decoration: none;
	display: inline-block;
	text-shadow:
	0 0 25px #0d58ff,
	0 0 20px #2b8eff,
	0 0 0.20px #8ee5ff;
	transition: .3s;
  transform: scale(1);
}

.button:hover {
	background: linear-gradient(-0deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .2));
	border: double 3px #fff;
	text-shadow:
	0 0 25px #0d58ff,
	0 0 20px #2b8eff,
	0 0 0.40px #8ee5ff;
	-webkit-transform: scale(0.9);
	transform: scale(0.9);
}

.nav-side-logo {
	background:url(img/img_logo_side_moe.png) no-repeat;
	width: 190px;
	height: 85px;
	margin: 10px;
	overflow: hidden;
}

.copyright {
  z-index:5px;
  position: fixed;
  bottom:12px;
  right:20px;
  width: 359px;
  height: 22px;
  background: url(img/copyright.png) no-repeat;
  overflow: visible;

}

.chocomarsh {
  z-index:5px;
  position: fixed;
  bottom:-30px;
  left:7px;
  width: 199px;
  height: 155px;
  background: url(img/chocomarsh.png) no-repeat;
  overflow: visible;

}
.chocomarsh:hover { animation: squash 1.5s ease-in-out infinite;}
@keyframes squash {
  0% {transform: scale(1) translate(0, 0);}
  50% {transform: scale(1.1, .5) translate(0, 50px);}
  100% {transform: scale(1) translate(0, 0);}
}

.itigomarsh {
  z-index:5px;
  position: fixed;
  bottom:-32px;
  left:320px;
  width: 180px;
  height: 191px;
  background: url(img/itigomarsh.png) no-repeat;
  overflow: visible;

}
.itigomarsh:hover { animation: squash 1.3s ease-in-out infinite;}
@keyframes squash {
  0% {transform: scale(1) translate(0, 0);}
  30% {transform: scale(1.1, .8) translate(0, 50px);}
  60% {transform: scale(.8, 1) translate(0, -50px);}
  100% {transform: scale(1) translate(0, 0);}
}

.marsh {
  z-index:5px;
  position: fixed;
  bottom:-30px;
  left:187px;
  width: 192px;
  height: 147px;
  background: url(img/marsh7.png) no-repeat;
  overflow: visible;

}
.marsh:hover { animation: squash 1s ease-in-out infinite;}
@keyframes squash {
  0% {transform: scale(1) translate(0, 0);}
  30% {transform: scale(1.1, .8) translate(0, 50px);}
  60% {transform: scale(.8, 1) translate(0, -50px);}
  100% {transform: scale(1) translate(0, 0);}
}

.framework {
  position:fixed;
  z-index:10;
  top:0;
  left:0;
  right:0;
  bottom:0;
  border:10px solid #d9eaf4;
  box-shadow: 0px 0px 0px 8px #79b1e0 inset;
}

section {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding-top: 130px;
}

ul { list-style: none; }

.top {
  position: relative;
  padding: 5vh 5vw 5vh 5vw;
  width: 100%;
  color: #754135;
  display: inline-block;
}
.top_marsh {
  position: relative;
  background-position : 50% 50%;
  width: 100%; height: 35vh;
  padding: 10px;
}

.delighter .top_marsh { transition: all 1s ease-in-out; }
.delighter .top_marsh:nth-child(1) { transform: scale(0.3); opacity: 0;}
.delighter .top_marsh:nth-child(2) { transform: scale(0.5)  ;opacity: 0;}
.delighter.started .top_marsh:nth-child(1) { transform: translate(0, 0); opacity: 1; }
.delighter.started .top_marsh:nth-child(2) { transform: translate(0, 0);transition-delay:.3s; opacity: 1; }

.box_main {
  margin: 0px;
  position: absolute; top:5px; right:40px;
  display: inline-block;
}
.box_main:nth-child(2) {
  background : none;
  position: relative;
  top:0px;
  right:0px;
  width: 100%; height: 100%;
  padding: 20px;
  border-radius: 0%;
}

.box_main1 {
  width: 350px; height: 350px;
  border-radius: 50%;
  background:url(img/main1.png) no-repeat;
  background-size:cover;
  box-shadow: 0px 0px 0px 4px #ffe98f ;
}

.box_main2 {
  width: 350px; height: 350px;
  border-radius: 50%;
  background:url(img/main3.png) no-repeat;
  background-size:cover;
  box-shadow: 0px 0px 0px 4px #ffe98f ;
}

.box_main3 {
  width: 350px; height: 350px;
  border-radius: 50%;
  background:url(img/main5.png) no-repeat;
  background-size:cover;
  box-shadow: 0px 0px 0px 4px #ffe98f ;
}

.delighter .box_main { transition: all 1s ease; }
.delighter .box_main:nth-child(1) { transform: translate(0%, 0%) scale(0.3) rotate(500deg) ;opacity: 0;}
.delighter .box_main:nth-child(2) { transform: translate(150%, 0); opacity: 0;}
.delighter.started .box_main:nth-child(1) { transform: translate(0%, 0%); opacity: 1; }
.delighter.started .box_main:nth-child(2) { transform: translate(0, 0); opacity: 1; }

.box_2 {
  margin: 0px;
  position: absolute; top:5px; left:40px;
  display: inline-block;
}
.box_2:nth-child(2) {
  position: relative;
  top:0px;
  left:0px;
  width: 100%; height: 100%;
  background : none;
  border-radius: 0%;
 }

.box_2a {
  width: 350px; height: 350px;
  border-radius: 50%;
  background:url(img/main2.png) no-repeat;
  background-size:cover;
  box-shadow: 0px 0px 0px 4px #ffe98f ;
}

 .box_2b {
  width: 350px; height: 350px;
  border-radius: 50%;
  background:url(img/main4.png) no-repeat;
  background-size:cover;
  box-shadow: 0px 0px 0px 4px #ffe98f ;
}

.box_2c {
  width: 350px; height: 350px;
  border-radius: 50%;
  background:url(img/main_e.png) no-repeat;
  background-size:cover;
  box-shadow: 0px 0px 0px 4px #ffe98f ;
}

.delighter .box_2 { transition: all 1s ease; }
.delighter .box_2:nth-child(1) { transform: translate(0%, 0%) scale(0.3) rotate(-500deg) ;opacity: 0;}
.delighter .box_2:nth-child(2) { transform: translate(-150%, 0); opacity: 0;}
.delighter.started .box_2:nth-child(1) { transform: translate(0, 0); opacity: 1; }
.delighter.started .box_2:nth-child(2) { transform: translate(0%, 0%); opacity: 1; }

.delighter .bound { transform: scale(0.5)  ;opacity: 0; transition: all 1s ease-in-out; }
.delighter .bound:nth-child(1) { transform: scale(0.3); opacity: 0;}
.delighter .bound:nth-child(2) { transform: scale(0.5)  ;opacity: 0;}
.delighter.started.bound:nth-child(1) { transform: translate(0, 0); opacity: 1; }
.delighter.started.bound:nth-child(2) { transform: translate(0, 0);transition-delay:.3s; opacity: 1; }
.marshs.delighter { transform:translate(0, 50%) ; transition: all 1.5s  ease; opacity: 0; }
.marshs.delighter.started {  transform: none;  opacity: 1; }
.marshs.delighter.started.ended { transform: translate(0, 0);}


@media screen and (max-width:1000px) {
.top {
  padding: 10vh 5vw 0vh 5vw;
}

.top_marsh {
    padding: 10vh 0vw 18vh 0vw;
}

#star {
    bottom:-5%;
}

.button { font-size: 35px;}
.box_main {
  margin: 10px 0vw 10px 0vw;
  position: relative; right:0px;
  width: 250px; height: 250px;
  border-radius: 50%;
  display: inline-block;
  background-size:cover;
}
.box_main:nth-child(2) {
  background : none;
  background-color: rgba(255, 255, 255, .5);
  border-radius:20px;
  padding: 40px;
}

.box_main1 {
  width: 250px; height: 250px;
  border-radius: 50%;
  background-size:cover;
}

.box_main2 {
  width: 250px; height: 250px;
  border-radius: 50%;
  background-size:cover;
}

.box_main3 {
  width: 250px; height: 250px;
  border-radius: 50%;
  background-size:cover;
}

.box_main4 {
  width: 250px; height: 250px;
  border-radius: 50%;
  background-size:cover;
}

.box_2 {
  margin: 10px 0vw 10px 0vw;
  position: relative; left:0px;
  display: inline-block;
  background-size:cover;
}

.box_2:nth-child(2) {
  background : none;
  background-color: rgba(255, 255, 255, .5);
  border-radius:20px;
  padding: 40px;
 }

.box_2a {
  width: 250px; height: 250px;
  border-radius: 50%;
  background-size:cover;
}

.box_2b {
  width: 250px; height: 250px;
  border-radius: 50%;
  background-size:cover;
}

.box_2c {
  width: 250px; height: 250px;
  border-radius: 50%;
  background-size:cover;
}

.usagimarsh {
  width: 10px;
  height: 10px;
  background: none;
}

.marsh {
  bottom: 20px;
  left:10px;
  width: 200px;
  height: 80px;
  background:url(img/bana.png) no-repeat;
}

.marsh:hover { animation: squash 1s ease-in-out infinite;}
@keyframes squash {
  0% {transform: scale(1) translate(0, 0);}
  100% {transform: scale(1) translate(0, 0);}
}

section {
  padding-top: 30px;
}

.itigomarsh {
  width: 10px;
  height: 10px;
  background: none;
}


 }