/**********************************
HOME
**********************************/
html, body {
  overflow-x: hidden;
}
/* ローディング */
.loading-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #fff;
  z-index: 9999;
  overflow: hidden;
  opacity: 1;
  transition: opacity 1.5s ease-out;
}
body.is-loading {
  overflow: hidden;
  height: 100%;
}
.loading-container {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* ローディング画像のアニメーション */
.loading-image {
  position: relative;
  max-width: 300px;
  height: auto;
  clip-path: inset(0 100% 0 0);
  animation: revealImage 0.8s ease-out forwards;
}
@keyframes revealImage {
  0% {
    clip-path: inset(0 100% 0 0);
  }
  100% {
    clip-path: inset(0 0 0 0);
  }
}

/*** first view ***/
.contents {
  padding-top: 0;
}
.wrap {
  height: 100vh;
}
.first_v_area {
  position: relative;
}
.first_v_area .back video {
  width: 100%;
  height: 100vh;
  object-fit: cover;
}
.mask-slider {
  position: absolute !important;
  width: 1000px;
  height: auto;
  top: 0;
  right: -70px;
  z-index: 9;
  -webkit-mask-image: url(../images/mask.svg);
  mask-image: url(../images/mask.svg);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-size: 90%;
  -webkit-mask-position: center;
  mask-position: top 30px right 0;
}
.mask-slider img {
  width: 100%;
  height: 100vh;
  object-fit: cover;
}
.main_copy {
  position: absolute;
  left: 5%;
  bottom: 20%;
  z-index: 666;
}
.mask-slider.slick-initialized {
  display: block;
}
.mask-slider {
  opacity: 0;
  transition: opacity 1s ease;
}
.mask-slider.slider-visible {
  opacity: 1;
}
/* キャッチコピー */
.catchy {
  font-size: 62px;
  font-weight: bold;
  visibility: hidden;
  color: #fff;
  width: 8em;
  text-align: left;
}
/* 文字のアニメーション */
.letter {
  opacity: 0;
  display: inline-block;
  transform: translateY(10px);
  animation: fadeInUp 0.6s ease forwards;
}
/* 文字のアニメーション */
.letter {
  opacity: 0;
  display: inline-block;
  transform: translateY(10px);
  animation: fadeInUp 0.6s ease forwards;
}
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.back::before {
  content: "";
  width: 100%;
  height: 100vh;
  position: absolute;
  top: 0;
  left: 0;
  z-index: fff;
  display: block;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
}

@keyframes zoomOut {
  0% {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
  }
  100% {
    opacity: 0;
    transform: scale(1.2);
    z-index: 0;
  }
}
@-webkit-keyframes full-rest {
  0% {
    transform-origin: right center;
    transform: scaleX(1);
  }
  100% {
    transform-origin: right center;
    transform: scaleX(1);
  }
}
@keyframes full-rest {
  0% {
    transform-origin: right center;
    transform: scaleX(1);
  }
  100% {
    transform-origin: right center;
    transform: scaleX(1);
  }
}
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 20%;
  text-align: center;
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  z-index: 10;
}
.scroll-indicator .arrow {
  position: relative;
  width: 2px;
  height: 26px;
  background-color: #fff;
  margin: 10px auto 0;
  animation: bounce 1.5s infinite;
}
.scroll-indicator .arrow::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 10px;
  height: 2px;
  background-color: #fff;
  transform: rotate(-45deg);
  transform-origin: top left;
}
.scroll-indicator span {
  display: inline-block;
  color: #fff;
}
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(5px);
  }
}
/**** end first view ****/

.inner {
  max-width: 1400px;
  width: 90%;
  margin: 0 auto;
  position: relative;
}
section.mission_area,
section.service_area {
  background: #fff;
}
.index_title_h2_en {
  font-weight: 500;
  font-size: clamp(20px,6.28vw,88px);
  color: #02863e;
  margin-bottom: 20px;
  line-height: 1;
  display: inline-block;
}
.index_title_h2_jp {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: 2em;
}
.index_title_h3 {
  font-size: 28px;
  font-weight: bold;
  color: #333;
  letter-spacing: .01em;
}
.index_title_h3::first-letter {
  color: #02863e;
}
.mission_text01 {
  font-size: clamp(16px,2.57vw,36px);
  font-weight: 500;
  color: #2a2a30;
  line-height: 1.54;
  /*margin-bottom: 2.0em;*/
}
.mission_text02 {
  font-size: clamp(14px,1.14vw,16px);
  line-height: 1.7;
  margin-bottom: 1.0em;
}
.services_inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  margin-top: 80px;
}
.consulting_list {
  list-style: none;
  padding: 0 0 0 1.5em;
  margin: 0 0 1.0em;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.consulting_list li {
  white-space: nowrap;
  font-size: clamp(14px,1.14vw,16px);
  position: relative;
}
.consulting_list li::before {
  content: "";
  position: absolute;
  left: -0.7em;
  top: 10px;
  background: #02863e;
  border-radius: 50px;
  width: 6px;
  height: 6px;
}
section.service_area {
  background: #fff url(../images/logo_icon.svg) no-repeat right -14% bottom -20%;
  background-size: 42% auto;
}
/*** レスポンシブ対応 ***/
@media (max-width: 1054px) {
  .main_copy {
    left: 5%;
    top: 20vh;
    bottom: initial;
  }
  .scroll-indicator {
    left: initial;
    right: 5%;
  }
}
@media (max-width: 850px) {
  .mask-slider {
    width: 1000px;
    right: -70px;
    mask-size: 90%;
  }
  .main_copy {
    top: 12vh;
    transform: initial;
  }
}
@media (max-width: 770px) {
  .loading-image {
    max-width: 200px;
  }
  .mask-slider {
    width: 830px;
    right: -230px;
    mask-size: 90%;
    mask-position: top 80px right 0;
  }
  .main_copy {
    top: 22vh;
  }
  .catchy {
    font-size: 7vw;
  }
  .inner {
    width: 100%;
  }
}
@media (max-width: 640px) {
  .main_copy {
    top: 15vh;
  }
  .scroll-indicator {
    bottom: 20px;
  }
  .index_title_h3 {
    font-size: 20px;
  }
  section.service_area {
    padding-top: 0;
  }
}