/* font */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap');

/*loadfade*/
.load-fade {
  opacity: 0;
  visibility: hidden;
  transition: all 1s;
}

.load-fade.is-show {
  opacity: 1;
  visibility: visible;
}

/*fadeup*/
.scroll-up {
  opacity: 0;
  visibility: hidden;
  transform: translateY(50px);
  transition: all 1s;
}

.scroll-up.is-show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0px);
}

/*loading*/
.loading {
  position: fixed;
  z-index: 99999;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fff;
}

.loading.hide {
  opacity: 0;
  pointer-events: none;
  transition: opacity 500ms;
}

.loading-wrap {
  left: 0;
  right: 0;
  margin: auto;
  height: 20px;
}

@keyframes spin {
  0% {
    top: 0;
  }
  50% {
    top: 100%;
    opacity: 0;
  }
  51% {
    top: -100%;
  }
  100% {
    top: 0;
    opacity: 1;
  }
}
@-webkit-keyframes spin {
  0% {
    top: 0;
  }
  50% {
    top: 100%;
    opacity: 0;
  }
  51% {
    top: -100%;
  }
  100% {
    top: 0;
    opacity: 1;
  }
}
.load {
  position: relative;
}

.load span {
  color: #222222;
  font-size: 30px;
}

.load .animate {
  position: absolute;
  top: 0;
}

.load span:nth-child(2) {
  color: #77adff;
  animation: spin 1.5s linear infinite;
  -webkit-animation: spin 1.5s linear infinite;
}

.load span:nth-child(3) {
  margin-left: 25px;
  color: #77adff;
  animation: spin 1s linear infinite;
  -webkit-animation: spin 1s linear infinite;
}

.load span:nth-child(4) {
  margin-left: 50px;
  color: #77adff;
  animation: spin 1.25s linear infinite;
  -webkit-animation: spin 1.25s linear infinite;
}

.load span:nth-child(5) {
  padding-left: 77px;
}

/*mouse*/
#mouse-stalker {
  display: none;
  pointer-events: none;
  position: fixed;
  top: -10px;
  left: -10px;
  width: 20px;
  height: 20px;
  background: #222222;
  opacity: 0.3;
  border-radius: 50%;
  transform: translate(0, 0);
  transition: transform 0.3s;
  transition: 0.3s;
  transition-timing-function: ease-out;
  z-index: 99999;
}
@media (min-width: 930px) {
  #mouse-stalker {
    display: block;
  }
}
#mouse-stalker.is_active {
  top: -40px;
  left: -40px;
  width: 80px;
  height: 80px;
  transition: 0.4s;
  opacity: 0.5;
  border: 2px solid #222222;
  background: none;
}

.link-items {
  display: flex;
  justify-content: center;
  gap: 20px;
}
.link-items .link-item {
  display: block;
  padding: 20px;
  text-decoration: none;
  background-color: #222222;
  border-radius: 50px;
}

/*scroll-line*/
.scrolldown2 {
  position: absolute;
  bottom: 80px;
  left: 50%;
}
@media (min-width: 930px) {
  .scrolldown2 {
    bottom: 20px;
  }
}

.scrolldown2 span {
  position: absolute;
  left: 10px;
  bottom: 23px;
  color: #eee;
  font-size: 1em;
  letter-spacing: 0.05em;
  writing-mode: vertical-rl;
}

.scrolldown2:before {
  content: "";
  position: absolute;
  bottom: 0;
  left: -4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #eee;
  -webkit-animation: circlemove 1.6s ease-in-out infinite, cirlemovehide 1.6s ease-out infinite;
          animation: circlemove 1.6s ease-in-out infinite, cirlemovehide 1.6s ease-out infinite;
}

@-webkit-keyframes circlemove {
  0% {
    bottom: 80px;
  }
  100% {
    bottom: 5px;
  }
}

@keyframes circlemove {
  0% {
    bottom: 80px;
  }
  100% {
    bottom: 5px;
  }
}
@-webkit-keyframes cirlemovehide {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  80% {
    opacity: 0.9;
  }
  100% {
    opacity: 0;
  }
}
@keyframes cirlemovehide {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  80% {
    opacity: 0.9;
  }
  100% {
    opacity: 0;
  }
}
.scrolldown2:after {
  content: "";
  position: absolute;
  bottom: 10px;
  left: 0;
  width: 2px;
  height: 70px;
  background: #eee;
}

/*navi*/
[type=checkbox]:checked,
[type=checkbox]:not(:checked) {
  position: absolute;
  left: -9999px;
}

.menu-icon:checked + label,
.menu-icon:not(:checked) + label {
  position: fixed;
  top: 45px;
  right: 40px;
  display: block;
  width: 30px;
  height: 30px;
  padding: 0;
  margin: 0;
  cursor: pointer;
  z-index: 10;
}
@media (min-width: 930px) {
  .menu-icon:checked + label,
.menu-icon:not(:checked) + label {
    top: 53px;
    right: 175px;
  }
}

.menu-icon:checked + label:before,
.menu-icon:not(:checked) + label:before {
  position: absolute;
  content: "";
  display: block;
  width: 30px;
  height: 20px;
  z-index: 20;
  top: 0;
  left: 0;
  border-top: 2px solid #222222;
  border-bottom: 2px solid #222222;
  transition: border-width 100ms 1500ms ease, top 100ms 1600ms cubic-bezier(0.23, 1, 0.32, 1), height 100ms 1600ms cubic-bezier(0.23, 1, 0.32, 1), background-color 200ms ease, transform 200ms cubic-bezier(0.23, 1, 0.32, 1);
}

.menu-icon:checked + label:after,
.menu-icon:not(:checked) + label:after {
  position: absolute;
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  z-index: 20;
  top: 10px;
  right: 4px;
  background-color: #222222;
  margin-top: -1px;
  transition: width 100ms 1750ms ease, right 100ms 1750ms ease, margin-top 100ms ease, transform 200ms cubic-bezier(0.23, 1, 0.32, 1);
}

.menu-icon:checked + label:before {
  top: 10px;
  transform: rotate(45deg);
  height: 2px;
  background-color: #222222;
  border-width: 0;
  transition: border-width 100ms 340ms ease, top 100ms 300ms cubic-bezier(0.23, 1, 0.32, 1), height 100ms 300ms cubic-bezier(0.23, 1, 0.32, 1), background-color 200ms 500ms ease, transform 200ms 1700ms cubic-bezier(0.23, 1, 0.32, 1);
}

.menu-icon:checked + label:after {
  width: 30px;
  margin-top: 0;
  right: 0;
  transform: rotate(-45deg);
  transition: width 100ms ease, right 100ms ease, margin-top 100ms 500ms ease, transform 200ms 1700ms cubic-bezier(0.23, 1, 0.32, 1);
}

.nav {
  position: fixed;
  top: 15px;
  right: 15px;
  display: block;
  width: 80px;
  height: 80px;
  padding: 0;
  margin: 0;
  z-index: 9;
  overflow: hidden;
  box-shadow: 0 8px 30px 0 rgba(0, 0, 0, 0.3);
  background-color: #fff;
  -webkit-animation: border-transform 7s linear infinite;
          animation: border-transform 7s linear infinite;
  transition: top 350ms 1100ms cubic-bezier(0.23, 1, 0.32, 1), right 350ms 1100ms cubic-bezier(0.23, 1, 0.32, 1), transform 250ms 1100ms ease, width 650ms 400ms cubic-bezier(0.23, 1, 0.32, 1), height 650ms 400ms cubic-bezier(0.23, 1, 0.32, 1);
}
@media (min-width: 930px) {
  .nav {
    top: 23px;
    right: 150px;
  }
}

@-webkit-keyframes border-transform {
  0%, 100% {
    border-radius: 63% 37% 54% 46%/55% 48% 52% 45%;
  }
  14% {
    border-radius: 40% 60% 54% 46%/49% 60% 40% 51%;
  }
  28% {
    border-radius: 54% 46% 38% 62%/49% 70% 30% 51%;
  }
  42% {
    border-radius: 61% 39% 55% 45%/61% 38% 62% 39%;
  }
  56% {
    border-radius: 61% 39% 67% 33%/70% 50% 50% 30%;
  }
  70% {
    border-radius: 50% 50% 34% 66%/56% 68% 32% 44%;
  }
  84% {
    border-radius: 46% 54% 50% 50%/35% 61% 39% 65%;
  }
}

@keyframes border-transform {
  0%, 100% {
    border-radius: 63% 37% 54% 46%/55% 48% 52% 45%;
  }
  14% {
    border-radius: 40% 60% 54% 46%/49% 60% 40% 51%;
  }
  28% {
    border-radius: 54% 46% 38% 62%/49% 70% 30% 51%;
  }
  42% {
    border-radius: 61% 39% 55% 45%/61% 38% 62% 39%;
  }
  56% {
    border-radius: 61% 39% 67% 33%/70% 50% 50% 30%;
  }
  70% {
    border-radius: 50% 50% 34% 66%/56% 68% 32% 44%;
  }
  84% {
    border-radius: 46% 54% 50% 50%/35% 61% 39% 65%;
  }
}
.menu-icon:checked ~ .nav {
  -webkit-animation-play-state: paused;
          animation-play-state: paused;
  top: 50%;
  right: 50%;
  transform: translate(50%, -50%);
  width: 200%;
  height: 200%;
  transition: top 350ms 700ms cubic-bezier(0.23, 1, 0.32, 1), right 350ms 700ms cubic-bezier(0.23, 1, 0.32, 1), transform 250ms 700ms ease, width 750ms 1000ms cubic-bezier(0.23, 1, 0.32, 1), height 750ms 1000ms cubic-bezier(0.23, 1, 0.32, 1);
}

.nav ul {
  position: absolute;
  top: 50%;
  left: 0;
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  z-index: 6;
  text-align: center;
  transform: translateY(-50%);
  list-style: none;
}

.nav ul li {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  margin: 10px 0;
  text-align: center;
  list-style: none;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(30px);
  transition: all 250ms linear;
}

.nav ul li:nth-child(1) {
  transition-delay: 250ms;
}

.nav ul li:nth-child(2) {
  transition-delay: 200ms;
}

.nav ul li:nth-child(3) {
  transition-delay: 150ms;
}

.nav ul li:nth-child(4) {
  transition-delay: 100ms;
}

.nav ul li:nth-child(5) {
  transition-delay: 50ms;
}

.nav ul li a {
  font-family: "Montserrat", sans-serif;
  font-size: 2em;
  text-transform: uppercase;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 0.75em;
  display: inline-block;
  position: relative;
  color: #222222;
  transition: all 250ms linear;
}

@media (min-width: 930px) {
  .nav ul li a:hover {
    text-decoration: none;
    color: #222222;
  }
}
.nav ul li a:after {
  display: block;
  position: absolute;
  top: 55%;
  content: "";
  height: 1vh;
  margin-top: -0.5vh;
  width: 0;
  left: 0;
  background-color: #77adff;
  opacity: 0.8;
  transition: width 250ms linear;
}

@media (min-width: 930px) {
  .nav ul li a:hover:after {
    width: 100%;
  }
}
.menu-icon:checked ~ .nav ul li {
  pointer-events: auto;
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 350ms ease, transform 250ms ease;
}

.menu-icon:checked ~ .nav ul li:nth-child(1) {
  transition-delay: 1400ms;
}

.menu-icon:checked ~ .nav ul li:nth-child(2) {
  transition-delay: 1480ms;
}

.menu-icon:checked ~ .nav ul li:nth-child(3) {
  transition-delay: 1560ms;
}

.menu-icon:checked ~ .nav ul li:nth-child(4) {
  transition-delay: 1640ms;
}

.menu-icon:checked ~ .nav ul li:nth-child(5) {
  transition-delay: 1720ms;
}

.menu-icon:checked ~ .nav ul li:nth-child(6) {
  transition-delay: 1800ms;
}

.menu-icon:checked ~ .nav ul li:nth-child(7) {
  transition-delay: 1880ms;
}

/*page-top*/
.pagetop {
  display: none;
}
@media (min-width: 930px) {
  .pagetop {
    display: block;
    cursor: pointer;
    position: fixed;
    right: 40px;
    bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    transition: ease 0.4s;
    background: #77adff;
    color: #fff;
    opacity: 0;
  }
}

@media (min-width: 930px) {
  .pagetop:hover {
    background-color: transparent;
    transition: ease 0.4s;
    color: #77adff;
    border: 2px solid #77adff;
  }
}