@charset "utf-8";
#top {
    height: 1900px;
    background-color: #3582FF;
   position: relative; 
   overflow: hidden; 
}

body {
    font-family: "Helvetica Neue",
    Arial,
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    Meiryo,
    sans-serif;
}

*{
    margin: 0;
    padding: 0;
}

.menu-btn {
    position: fixed;
    top: 1.8%;
    right: 2%;
    display: flex;
    height: 15px;
    width: 23px;
    justify-content: center;
    align-items: center;
    z-index: 90;
    
   
}
.menu-btn span,
.menu-btn span:before,
.menu-btn span:after {
    content: '';
    display: block;
    height: 3px;
    width: 18px;
    border-radius: 0px;
    background-color:white;
    position: absolute;
}
.menu-btn span:before {
    bottom: 8px;
}
.menu-btn span:after {
    top: 8px;
}

#menu-btn-check:checked ~ .menu-btn span {
    background-color: rgba(255, 255, 255, 0);
}
#menu-btn-check:checked ~ .menu-btn span::before {
    bottom: 0;
    transform: rotate(45deg);
}
#menu-btn-check:checked ~ .menu-btn span::after {
    top: 0;
    transform: rotate(-45deg);
}

#menu-btn-check {
    display: none;
}

.menuback{
    background-color: #3582FF;
    position: fixed;
    top: 0;
    right: 0;
    width: 10.5%;
    height: 5.8%;
    z-index: 80;
}

html {
    scroll-behavior: smooth;
}
.pagetop {
    height: 50px;
    width: 50px;
    position: fixed;
    right: 30px;
    bottom: 30px;
    background: #3582FF;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.pagetop__arrow {
    height: 10px;
    width: 10px;
    border-top: 3px solid white;
    border-right: 3px solid white;
    transform: translateY(20%) rotate(-45deg);
}

.nidrogo01{
    position: relative;
    z-index: 9999;
}


.nidrogo01 img{
    width: 20%;
    margin-top: 20px;
    margin-left: 12px;
    z-index: 9999;

}



.topmix img{
 position: absolute;
mix-blend-mode: multiply;
  width: 102%;
  top: -5px;
  z-index: 60;
}

.top img{
    position: absolute;
     width: 102%;
     top: -5px;
    z-index: 60;
   }

   .ellipse1{
	width: 150px;
	height: 150px;
	background:#3582FF;
    border-radius: 100%;
    transform: rotate(20deg);
    position: absolute;
    top: 560px;
    left: -30px;
    z-index: 50;
}
.ellipse2{
	width: 230px;
	height: 190px;
	background:#3582FF;
    border-radius: 80%;
    transform: rotate(15deg);
    position: absolute;
    top: 590px;
    left: 80px;
    z-index: 50;
}
.ellipse3{
	width: 150px;
	height: 130px;
	background:#3582FF;
    border-radius: 80%;
    transform: rotate(-20deg);
    position: absolute;
    top: 600px;
    right: -30px;
    z-index: 50;
}
.ellipse4{
	width: 50px;
	height: 35px;
	background:#3582FF;
    border-radius: 70%;
    transform: rotate(0deg);
    position: absolute;
    top: 765px;
    right: 30px;
    z-index: 50;
}
.ellipse5{
	width: 24px;
	height: 16px;
	background:#3582FF;
    border-radius: 70%;
    transform: rotate(0deg);
    position: absolute;
    top: 810px;
    right: 70px;
    z-index: 50;
}

#honbun{
    background: white;
    width: 100%;
    height: 1000px;
    position: absolute;
    top: 690px;
}
.bunsyou1{
    position: relative;
    padding-top: 220%;
    text-align: center;
     font-size: 1.25em;
     font-weight: bold;
     letter-spacing: 1px;
     color: #2870e4;
     z-index: 60;
}
.bunsyou2{
    position: relative;
    padding-top: 6%;
    text-align: center;
     font-size: 0.85em;
     font-weight: bold;
     letter-spacing: 1px;
     line-height: 2.2em;
     color: #2870e4;

}

.tirami{
    width: 78%;
    position: relative;
    top: 85px;
    left: 13%;
}

.tira-left {
    position: relative;
    top: 70px;
    left: 12%;
    writing-mode: vertical-rl;
    font-size: 0.8em;
    letter-spacing: 1px;
    rotate: -4deg;
    font-family: bold;
    color: #2870e4;

  }

a.btn {
	display: block;
	text-align: center;
	vertical-align: middle;
	text-decoration: none;
	width: 120px;
	margin: auto;
	padding: 1rem 4rem;
	font-weight: bold;
	border-radius: 4px;
	background: #3582FF;
	color: #fff;
	transition: 0.5s;
    position: relative;
    top: 300px;
}
a.btn:hover {
	color: #3582FF;
	background: #fce447;
}
a.btn2 {
	display: block;
	text-align: center;
	vertical-align: middle;
	text-decoration: none;
	width: 120px;
	margin: auto;
	padding: 1rem 4rem;
	font-weight: bold;
	border-radius: 4px;
	background: #3582FF;
	color: #fff;
	transition: 0.5s;
    position: relative;
    top: 320px;
}
a.btn2:hover {
	color: #3582FF;
	background: #fce447;
}
a.btn3 {
	display: block;
	text-align: center;
	vertical-align: middle;
	text-decoration: none;
	width: 120px;
	margin: auto;
	padding: 1rem 4rem;
	font-weight: bold;
	border-radius: 4px;
	background: #3582FF;
	color: #fff;
	transition: 0.5s;
    position: relative;
    top: 340px;
}
a.btn3:hover {
	color: #3582FF;
	background: #fce447;
}
a.btn4 {
	display: block;
	text-align: center;
	vertical-align: middle;
	text-decoration: none;
	width: 120px;
	margin: auto;
	padding: 1rem 4rem;
	font-weight: bold;
	border-radius: 4px;
	background: #3582FF;
	color: #fff;
	transition: 0.5s;
    position: relative;
    top: 360px;
}
a.btn4:hover {
	color: #3582FF;
	background: #fce447;
}


.footer{
    position: relative;
    top: 50%;
}

.nidrogounder img{
    width: 30%;
    position: relative;
    top: 440px;
    left: 2%;
}



.facebook img{
    width: 8%;
    position: relative;
    top: 540px;
    left: -7%;
    padding: 2%;
}
.x img{
    width: 7%;
    position: relative;
    top: 540px;
    left: -7%;
    padding: 2%;
    
}
.youtube img{
    width: 8%;
    position: relative;
    top: 536.5px;
    left: -7%;
    padding: 2%;
}
.instagram img{
    width: 8%;
    position: relative;
    top: 541px;
    left: -7%;
    padding: 2%;
    
}