.index-anime {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background-color: #fff;
  z-index: 9999;
}

.index-anime .ia-container {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80%;
  -webkit-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
}

.fadein {
  animation: fade-in 3s ease 0s 1 forwards;
}

.fadeout {
  animation: fade-out 3s ease 0s 1 forwards;
}

.slideout {
  animation: slide-out 1s ease 0s 1 forwards;
}

@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes fade-out {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
@keyframes slide-out {
  0% {
    left: 0;
  }
  100% {
    left: 100%;
  }
}
.l-header {
  -webkit-transform: translateY(-120%);
  transform: translateY(-120%);
}

.is-s-l .l-header {
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

.l-nbtn .nbtn,
.l-nbtn .nbtn:hover {
  border-color: #fff;
  color: #fff;
}

.is-s-l .l-nbtn .nbtn {
  border-color: #000;
  color: #000;
}

.is-open .l-nbtn .nbtn:hover,
.is-s-l .l-nbtn .nbtn:hover {
  border: 2px solid #ddd;
  color: #ddd;
}

.l-main-hd {
  margin-bottom: 80px;
  padding: 0 2%;
  width: 100%;
  height: 100vh;
  position: relative;
  background-size: cover;
}

.no-webp .l-main-hd {
  background: url("../images/csbg.png") no-repeat center center;
}

.webp .l-main-hd {
  background: url("../images/csbg.webp") no-repeat center center;
}

/*.l-main-hd::after{
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	bottom: 0;
	right: 0;
	width: 100%;
	height: 100%;
	background-color: #000;
	background-image:radial-gradient(#111 30%, transparent 30%);
	background-size: 10px 10px;
	opacity: .2;
	z-index: 1;
}*/
.mv-logo {
  width: 80%;
  line-height: 1;
  font-size: 16vw;
  color: #fff;
  position: relative;
  z-index: 3;
}

.mv-title {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80%;
  font-size: 10vw;
  color: #fff;
  text-align: center;
  -webkit-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
  z-index: 3;
}

.sd {
  position: absolute;
  bottom: 20px;
  right: 2%;
  color: #fff;
  z-index: 3;
}

.sd-txt {
  display: block;
}

.sd-icon {
  display: block;
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

.sd-button:hover .sd-icon {
  -webkit-transform: translateY(0.6vw);
  transform: translateY(0.6vw);
}

.l-main h2 {
  font-size: 36px;
}

h3.i-title {
  font-size: 50px;
}

@media screen and (min-width: 481px) {
  .mv-logo {
    margin-bottom: 2vw;
  }
  .mv-title {
    position: relative;
    top: inherit;
    left: inherit;
    -webkit-transform: translateX(0) translateY(0);
    transform: translateX(0) translateY(0);
    font-size: 6vw;
    text-align: left;
  }
}
@media screen and (min-width: 960px) {
  .l-main-hd {
    padding-top: 20px;
  }
  .mv-logo {
    margin-bottom: 0;
    width: 100%;
    font-size: 120px;
  }
  .mv-title {
    width: 100%;
    font-size: 50px;
  }
  .i-concept-txt {
    font-size: 20px;
  }
  .i-service-txt {
    text-align: left;
  }
  .i-service-list {
    -webkit-flex: 1;
    flex: 1;
  }
}
.service-li {
  margin-bottom: 10px;
  width: 100%;
  height: 60px;
}
.service-li a {
  width: 100%;
  height: 100%;
  position: relative;
  background-color: var(--co-color-black);
  color: var(--co-color-white);
  text-align: center;
  font-weight: 700;
  font-size: 12px;
}
.service-li-title {
  padding: 10px;
  width: 100%;
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
  left: 0;
}