@charset "UTF-8";
:root {
  --headerHeight: 90px;
  --paddingSection: 150px;
  --paddingLR: 24px;
}
@media screen and (max-width: 959px) {
  :root {
    --headerHeight: 75px;
    --paddingSection: 80px;
  }
}

:root {
  --color_main: #151E3F;
}

/*========== トップページ ==========*/
body.noscroll {
  overflow: hidden;
  touch-action: none;
}
body.noscroll .body_wrap {
  overflow: auto;
  scrollbar-gutter: stable;
}

.title_01:not(:last-child) {
  margin-bottom: 2em;
}
@media screen and (max-width: 959px) {
  .title_01:not(:last-child) {
    margin-bottom: 1em;
  }
}

.slider_area.slider_01 {
  margin-right: calc(50% - 50vw);
}
@media screen and (max-width: 959px) {
  .slider_area.slider_01 {
    margin-right: 0;
  }
}

.slider_01 .item:last-child {
  margin-right: 5rem;
}
.slider_01 .navigation_area {
  width: 100%;
  padding: 0 var(--paddingLR);
}
@media screen and (max-width: 959px) {
  .slider_01 .item:last-child {
    margin-right: 0;
  }
}

/*==========
メインビジュアル
==========*/
#index {
  padding-top: 100vh;
  padding-top: 100dvh;
}

#mv {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 100vh;
  height: 100dvh;
  z-index: -10;
}
#mv .bg_area {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  transform: translateY(-10%);
}
#mv .bg_area video {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  -webkit-animation: 12.1s infinite mv_seamless ease-in-out;
          animation: 12.1s infinite mv_seamless ease-in-out;
}
@-webkit-keyframes mv_seamless {
  0% {
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
@keyframes mv_seamless {
  0% {
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
#mv .text_area {
  width: 25.55556%;
  position: absolute;
  bottom: 18%;
  left: 50%;
  transform: translateX(-50%);
}
#mv .text_img {
  width: 100%;
}
#mv .text_img img {
  width: 100%;
}
#mv .scroll_area {
  position: absolute;
  left: 50%;
  bottom: var(--paddingLR);
  z-index: 10;
  transform: translateX(-50%);
  font-size: 0.8125rem;
  font-weight: 500;
  font-family: "Montserrat";
  width: -webkit-fit-content;
  width: -moz-fit-content;
  width: fit-content;
}
#mv .scroll_area::before {
  content: "";
  width: 0.25em;
  aspect-ratio: 1/1;
  background-color: var(--color_main);
  border-radius: 100%;
  display: block;
  margin-left: auto;
  margin-right: auto;
}
#mv.hide {
  pointer-events: none;
}
#mv.hide .bg_area {
  opacity: 0.1;
}
#mv.hide .text_area {
  opacity: 0;
}
#mv.hide .scroll_area {
  opacity: 0;
}
#mv.transition .bg_area {
  transition: opacity 0.8s ease-out;
}
#mv.transition .bg_area video {
  transition: width 0.8s ease-out, height 0.8s ease-out;
}
#mv.transition .text_area {
  transition: opacity 0.8s ease-out;
}
#mv.transition .scroll_area {
  transition: opacity 0.8s ease-out;
}
@media screen and (max-width: 959px) {
  #mv .text_area {
    width: 70%;
  }
  #mv .scroll_area::before {
    width: 0.4em;
  }
}

/*==========
index_about
==========*/
#index_about .flex {
  display: flex;
  gap: 0 2.5rem;
  align-items: center;
}
#index_about .text_area .text {
  font-size: 0.9375rem;
  line-height: 2;
}
#index_about .img_area {
  margin-left: auto;
}
#index_about .fx {
  pointer-events: none;
  position: relative;
  z-index: 1;
}
#index_about .fx .circle {
  position: absolute;
  inset: 0;
  -webkit-animation: 30s linear infinite fx_rotate;
          animation: 30s linear infinite fx_rotate;
  z-index: -1;
}
#index_about .slider_area {
  margin-top: calc(var(--paddingSection) * 0.5);
}
#index_about .slider_area .swiper-slide {
  background-color: #fff;
  width: 12.5rem;
  height: 6.875rem;
  padding: 1.5rem 2rem;
}
#index_about .slider_area .swiper-slide img {
  width: 100%;
  height: 100%;
  -o-object-fit: contain;
     object-fit: contain;
}
@media screen and (max-width: 959px) {
  #index_about .flex {
    flex-direction: column;
    align-items: flex-start;
  }
  #index_about .text_area {
    display: contents;
  }
  #index_about .text_area .text {
    font-size: 1rem;
    line-height: 1.75;
  }
  #index_about .title_01 {
    order: -2;
  }
  #index_about .img_area {
    order: -1;
    margin-bottom: 1.5rem;
  }
  #index_about .fx {
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
  }
  #index_about .slider_area .swiper-slide {
    width: 6rem;
    height: 3.28571rem;
    padding: 0 0.75rem;
  }
}

/*==========
index_service
==========*/
#index_service .flex {
  display: flex;
  gap: 0 2.5rem;
  align-items: center;
}
#index_service .img_area {
  flex: 1;
  max-width: -webkit-fit-content;
  max-width: -moz-fit-content;
  max-width: fit-content;
  margin-left: auto;
  margin-right: -6rem;
}
#index_service .fx {
  pointer-events: none;
  position: relative;
  z-index: 1;
}
#index_service .fx .arrow_01,
#index_service .fx .arrow_02,
#index_service .fx .arrow_03,
#index_service .fx .circle {
  position: absolute;
  inset: 0;
  z-index: -1;
}
#index_service .fx .fx_arrow {
  opacity: 0;
  transform: rotate(-25deg);
  will-change: transform, opacity;
  -webkit-animation-duration: 2s;
          animation-duration: 2s;
  -webkit-animation-fill-mode: forwards;
          animation-fill-mode: forwards;
  -webkit-animation-timing-function: ease-in-out;
          animation-timing-function: ease-in-out;
}
#index_service .fx .circle {
  -webkit-animation: 30s linear infinite fx_rotate;
          animation: 30s linear infinite fx_rotate;
}
@-webkit-keyframes fx_index_arrow {
  0% {
    opacity: 0;
    transform: rotate(-25deg);
  }
  100% {
    opacity: 1;
    transform: rotate(0deg);
  }
}
@keyframes fx_index_arrow {
  0% {
    opacity: 0;
    transform: rotate(-25deg);
  }
  100% {
    opacity: 1;
    transform: rotate(0deg);
  }
}
#index_service .list {
  line-height: 1.25;
  display: grid;
  grid-template-columns: minmax(10rem, -webkit-max-content) 1fr;
  grid-template-columns: minmax(10rem, max-content) 1fr;
}
#index_service .list dt,
#index_service .list dd {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}
#index_service .list dt {
  padding-right: 1rem;
  font-size: 1.125rem;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
#index_service .list dd {
  font-size: 0.9375rem;
}
#index_service .trigger.fx_arrow,
#index_service .trigger .fx_arrow {
  -webkit-animation-name: fx_index_arrow;
          animation-name: fx_index_arrow;
}
@media screen and (max-width: 959px) {
  #index_service .flex {
    flex-direction: column;
    align-items: flex-start;
  }
  #index_service .list {
    grid-template-columns: 1fr;
  }
  #index_service .list dt {
    font-size: 1rem;
    border-bottom: none;
    padding-bottom: 0;
  }
  #index_service .list dd {
    padding-top: 0.5em;
  }
  #index_service .text_area {
    display: contents;
  }
  #index_service .title_01 {
    order: -2;
  }
  #index_service .img_area {
    order: -1;
    margin-bottom: 1.5rem;
    margin-left: auto;
    margin-right: auto;
  }
}

/*==========
index_casestudy
==========*/
#index_casestudy .flex {
  display: flex;
  gap: 1.5rem 5rem;
}
#index_casestudy .slider_area {
  flex: 1;
}
#index_casestudy .list_area {
  min-width: -webkit-fit-content;
  min-width: -moz-fit-content;
  min-width: fit-content;
}
#index_casestudy .list {
  text-align: center;
  background: center bottom/100% 1.5px url("../img/common/border-grad.svg") no-repeat;
}
#index_casestudy .list > * {
  background: center top/100% 1.5px url("../img/common/border-grad.svg") no-repeat;
  padding: 2rem 2.5rem;
}
#index_casestudy .list .small {
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: 0.25em;
}
#index_casestudy .list .number {
  width: -webkit-fit-content;
  width: -moz-fit-content;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  line-height: 1;
  font-size: 3.4rem;
  font-weight: 500;
  display: flex;
  align-items: flex-end;
  gap: 0.125em;
}
#index_casestudy .list .number .unit {
  font-size: 0.5em;
  font-weight: 700;
  margin-left: -0.125em;
}
#index_casestudy .list .cross {
  font-size: 0.45em;
  width: 1em;
  aspect-ratio: 1/1;
  margin-bottom: 0.25em;
  position: relative;
}
#index_casestudy .list .cross::before, #index_casestudy .list .cross::after {
  content: "";
  width: 100%;
  height: 4px;
  background-color: var(--color_main);
  border-radius: 100px;
  position: absolute;
  top: 50%;
  left: 0%;
}
#index_casestudy .list .cross::after {
  transform: rotate(90deg);
}
#index_casestudy .btn_area {
  margin-top: 2.5rem;
}
@media screen and (max-width: 959px) {
  #index_casestudy .flex {
    flex-direction: column;
    align-items: flex-start;
  }
  #index_casestudy .list_area {
    width: 100%;
    min-width: auto;
  }
  #index_casestudy .slider_area {
    width: calc(100% + var(--paddingLR) * 2);
    margin-left: calc(var(--paddingLR) * -1);
    padding-left: var(--paddingLR);
    padding-right: var(--paddingLR);
    flex: 0 1 auto;
  }
  #index_casestudy .list {
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    padding-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  #index_casestudy .list > * {
    background: none;
    padding: 0.5rem 0;
  }
  #index_casestudy .list .small {
    font-size: 0.714285rem;
  }
  #index_casestudy .list .number {
    font-size: 2.5rem;
  }
  #index_casestudy .list .cross::before, #index_casestudy .list .cross::after {
    height: 2px;
  }
}

/*==========
index_news
==========*/
#index_news .deco_circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70%;
  aspect-ratio: 1/1;
  padding-top: 4rem;
  padding-bottom: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: -10;
}
#index_news .deco_circle::after {
  content: "";
  width: 0%;
  aspect-ratio: 1/1;
  background: center/contain url("../img/index/index_news_deco.svg") no-repeat;
  transform: rotate(-120deg);
  transition: width 4s ease-in-out, transform 4s linear;
}
#index_news .trigger .deco_circle::after {
  width: 100%;
  transform: rotate(0deg);
  -webkit-animation: 26s linear infinite fx_rotate 4s;
          animation: 26s linear infinite fx_rotate 4s;
}
#index_news .btn_area {
  margin-top: 2.5rem;
}
@media screen and (max-width: 959px) {
  #index_news .deco_circle {
    width: auto;
    height: 100%;
  }
}

/*==========
index_column
==========*/
#index_column .layout_item_01 .row_time {
  border-top: none;
  padding-top: 0;
}
#index_column .slider_01 .item {
  margin-right: 2.5rem;
}
#index_column .slider_01 .navigation_area {
  padding-left: 0;
}
#index_column .slider_01 .navigation_area .slider_01_prev {
  transform: rotate(180deg) translateX(50%);
}
#index_column .btn_area {
  margin-top: 2.5rem;
}
@media screen and (max-width: 1199px) {
  #index_column .slider_01 .navigation_area .slider_01_prev {
    transform: rotate(180deg);
  }
}
@media screen and (max-width: 959px) {
  #index_column .slider_01 .item:last-child {
    margin-right: 0;
  }
  #index_column .slider_01 .navigation_area {
    padding-left: 0.5rem;
  }
}