@charset "utf-8";
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap');
* {
  margin: 0;
  padding: 0;
}
img {
  border: none;
  vertical-align: top;
}
html {
  overflow-y: scroll;
}
body {
  color: #484848;
  font-family: 'Noto Sans JP', sans-serif;
  position: relative;
}
body::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #F5F2EC;
  transition: background 0.8s;
}
body.blue::before {
  background: #2880CE;
}
.loading_base {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #F5F2EC;
  z-index: 5000;
}
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
}
.header_inner {
  padding: 30px 20px 0;
  display: flex;
  justify-content: space-between;
  position: relative;
  top: -150px;
  transition: top 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.active .header_inner {
  top: 0;
}
.header_logo {
  width: 200px;
}
.humb {
  width: 80px;
}
.header_logo img, .humb img {
  width: 100%;
  height: auto;
}
nav {
  position: absolute;
  right: 40px;
  top: 200px;
  z-index: 1000;
  overflow: hidden;
  padding: 0 0 0 50px;
}
nav li {
  list-style: none;
  font-weight: 500;
  letter-spacing: 1px;
  font-size: 20px;
  margin-bottom: 25px;
  position: relative;
  opacity: 0;
  transform: translateX(100px);
  transition: opacity 0.5s, transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}
nav ul li:nth-child(2) {
  transition-delay: 0.1s;
}
nav ul li:nth-child(3) {
  transition-delay: 0.2s;
}
nav ul li:nth-child(4) {
  transition-delay: 0.3s;
}
nav ul li:nth-child(5) {
  transition-delay: 0.4s;
}
nav ul li:nth-child(6) {
  transition-delay: 0.5s;
}
nav.active li {
  opacity: 1;
  transform: translateX(0px);
}
nav ul li:nth-child(6) {
  transition-delay: 1.5s;
}
nav li::before {
  content: '';
  display: block;
  position: absolute;
  width: 11px;
  height: 11px;
  background: #2880CE;
  border-radius: 50%;
  left: -28px;
  top: calc(50% - 8px);
}
nav li span {
  position: relative;
  display: inline-block;
  padding-bottom: 8px;
  border-bottom: 2px dashed #484848
}
nav li strong {
  color: #2880CE;
  font-weight: 500;
}
@media(max-width: 1800px) {
  nav {
    right: 30px
  }
  nav li {
    letter-spacing: 1px;
    font-size: 18px;
    margin-bottom: 20px;
  }
}
.hero_section {
  overflow: hidden;
  position: relative;
}
.hero_inner {
  display: flex;
  justify-content: center;
  align-items: center;
}
.first_1, .first_2 {
  opacity: 0;
}
.intro .first_1, .intro .first_2 {
  animation: fadeIn 0.8s linear forwards;
}
.intro .first_2 {
  animation-delay: 0.5s
}
.fadeOut {
  animation: fadeOut 0.5s linear forwards !important;
}
@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes fadeOut {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
.green img, .pink img {
  width: 100%;
  height: auto;
}
.green, .pink {
  width: 44vw;
  display: none;
}
.green {
  position: absolute;
  top: 0;
  left: -5vw;
}
.pink {
  position: absolute;
  bottom: 0;
  right: 0;
}
.first {
  text-align: center;
  position: relative;
  top: -50px;
  width: 560px;
  height: 560px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.first::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
}
.first .circle1 {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  box-sizing: border-box;
  z-index: 1;
  border: 30px solid #F85E88;
  opacity: 0;
  transition: opacity 0.2s, transform 2s cubic-bezier(0.16, 1, 0.3, 1);
}
.circle1 .circle2 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  box-sizing: border-box;
  z-index: 1;
  border: 30px solid #29A838;
  opacity: 0;
  transition: opacity 0.5s, transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.circle2 .circle3 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #F5F2EC;
  border-radius: 50%;
  box-sizing: border-box;
  z-index: 1;
  transition: opacity 0.5s, transform 5s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 1s;
}
.topStart .circle1, .topStart .circle2 {
  opacity: 1;
}
.topStart .circle3 {
  animation: hamon 3.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 1s;
}
@keyframes hamon {
  0% {
    transform: scale(1);
  }
  90% {
    transform: scale(10)
  }
  100% {
    transform: scale(10);
    display: none;
  }
}
.first p {
  line-height: 1.8;
  letter-spacing: 4px;
  font-size: 24px;
  font-weight: 500;
  margin: 5px 0;
  position: relative;
  z-index: 5;
}
.third {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100
}
.hero_section .last_bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  min-height: 700px;
  z-index: 100;
  background: url("../images/ribbon2.png") no-repeat center top;
  background-size: cover;
  display: none;
}
.third_inner {
  width: 680px;
  display: none;
}
.short .third_inner {
  width: 65vh;
}
@media(max-width: 1800px) {
  .hero_section .last_bg {
    left: -50px;
  }
  .third_inner, .short .third_inner {
    width: 520px;
  }
}
.third_inner img {
  width: 100%;
  height: auto;
}
.third .third_lead {
  position: absolute;
  left: 0;
  bottom: 6vh;
  width: 100%;
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 4px
}
.third_lead p {
  display: none;
}
.hero_section {
  position: relative;
}
.hero_section .scroll {
  position: absolute;
  right: 40px;
  bottom: 40px;
  width: 50px;
	z-index: 1000;
	display: none;
}
.scroll img {
  width: 100%;
  height: auto;
}