@charset "UTF-8";

/* animation */
@keyframes index-rotation {
  0% {
    transform:rotate(0);
  }
  100% {
    transform:rotate(360deg);
  }
}
@keyframes index-scroll-down {
  0% {
    transform: scale(0, 1);
    transform-origin: 0 0;
  }
  50% {
    transform: scale(1, 1);
    transform-origin: 0 0;
  }
  50.1% {
    transform: scale(1, 1);
    transform-origin: 100% 0;
  }
  100% {
    transform: scale(0, 1);
    transform-origin: 100% 0;
  }
}

/* visual */
.index-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100svh;
  margin-top: calc(-100 / 750* 100vw);
  overflow: hidden;
}
.index-visual::before,
.index-visual::after {
  content: '';
  position: absolute;
  background: url(../images/deco_visual_05.svg) 0 0 / cover no-repeat;
  animation: index-rotation 30s linear infinite;
}
.index-visual::before {
  top: calc(700 / 750 * 100vw);
  left: calc(-100 / 750 * 100vw);
  z-index: 2;
  width: calc(200 / 750 * 100vw);
  height: calc(200 / 750 * 100vw);
}
.index-visual::after {
  top: calc(100 / 750 * 100vw);
  right: calc(-150 / 750 * 100vw);
  z-index: -1;
  width: calc(300 / 750 * 100vw);
  height: calc(300 / 750 * 100vw);
}
.index-visual-text {
  position: relative;
  z-index: 3;
  padding: 14vh calc(40 / 750 * 100vw) 0;
}
.index-visual-heading {
  font-family: var(--font-en);
  font-size: calc(70 / 750 * 100vw);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: .1em;
}
.index-visual-lead {
  margin-top: calc(48 / 750 * 100vw);
  font-size: calc(34 / 750 * 100vw);
  font-weight: 700;
  letter-spacing: .1em;
  opacity: 0;
  transform: translateX(-1%);
  transition: opacity 1.5s cubic-bezier(0.19, 1, 0.22, 1), transform 1.5s cubic-bezier(0.19, 1, 0.22, 1);
  transition-delay: 2.5s;
}
.index-visual-lead.-show {
  opacity: 1;
  transform: translateX(0);
}
.index-visual-scroll {
  position: absolute;
  top: 40vh;
  right: calc(-50 / 750 * 100vw);
  z-index: 2;
  font-family: var(--font-en);
  font-size: calc(24 / 750 * 100vw);
  font-weight: 700;
  letter-spacing: .1em;
  transform: rotate(90deg);
}
.index-visual-scroll span {
  position: relative;
  padding-right: calc(120 / 750 * 100vw);
}
.index-visual-scroll span::before,
.index-visual-scroll span::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 0;
  width: calc(100 / 750 * 100vw);
  height: 1px;
  background: #000;
}
.index-visual-scroll span::before {
  opacity: .2;
}
.index-visual-scroll span::after {
  animation: index-scroll-down 1.5s infinite;
}
.index-visual-image {
  height: 35vh;
}
.index-visual-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.index-visual-image .swiper {
  height: 100%;
}
.index-visual-image .swiper-wrapper {
  align-items: center;
  transition-timing-function: linear;
}
.index-visual-image .swiper-slide {
  position: relative;
  overflow: hidden;
}
@media screen and (min-width: 768px), print {
  .index-visual {
    display: block;
    height: auto;
    margin-top: 0;
  }
  .index-visual::before {
    top: 410px;
    left: -100px;
    width: 180px;
    height: 180px;
  }
  .index-visual::after {
    top: 145px;
    right: -100px;
    width: 380px;
    height: 380px;
  }
  .index-visual-text {
    max-width: 1180px;
    margin: 0 auto;
    padding: 70px 40px 120px;
  }
  .index-visual-heading {
    font-size: 60px;
  }
  .index-visual-heading br:nth-of-type(2) {
    display: none;
  }
  .index-visual-lead {
    margin-top: 32px;
    font-size: 26px;
  }
  .index-visual-lead br:nth-of-type(2) {
    display: none;
  }
  .index-visual-scroll {
    right: -5px;
    font-size: 12px;
  }
  .index-visual-scroll span {
    padding-right: 60px;
  }
  .index-visual-scroll span::before,
  .index-visual-scroll span::after {
    width: 50px;
  }
  .index-visual-image {
    height: auto;
  }
  .index-visual-image .swiper {
    height: auto;
  }
}
@media screen and (min-width: 1024px), print {
  .index-visual-heading {
    font-size: 85px;
  }
}

/* about */
.index-about {
  margin-top: calc(200 / 750 * 100vw);
}
.index-about-image {
  margin-left: calc(-40 / 750 * 100vw);
  width: calc(550 / 750 * 100vw);
}
.index-about-image img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}
.index-about-text {
  position: relative;
  margin-top: calc(60 / 750 * 100vw);
}
.index-about-text > span {
  display: inline-block;
  position: absolute;
  top: calc(-130 / 750 * 100vw);
  right: 0;
  background: linear-gradient(to right, #D7E6F4 0%, #F5DBDB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: var(--font-en);
  font-size: calc(90 / 750 * 100vw);
  font-weight: 700;
  mix-blend-mode: multiply;
}
.index-about-heading {
  margin-bottom: calc(32 / 750 * 100vw);
  font-size: calc(50 / 750 * 100vw);
  line-height: 1.3;
}
.index-about-heading + p {
  line-height: 2;
}
@media screen and (min-width: 768px), print {
  .index-about {
    margin-top: 120px;
  }
  .index-about-image {
    margin-left: -40px;
    width: 500px;
    height: 500px;
  }
  .index-about-text {
    margin-top: 60px;
  }
  .index-about-text > span {
    top: -130px;
    font-size: 70px;
  }
  .index-about-heading {
    margin-bottom: 24px;
    font-size: 42px;
  }
}
@media screen and (min-width: 1024px), print {
  .index-about-inner {
    display: flex;
    align-items: center;
  }
  .index-about-image {
    margin-left: 0;
  }
  .index-about-text {
    flex: 1;
    max-width: 500px;
    margin: 0 0 0 80px;
  }
  .index-about-text > span {
    top: -155px;
    left: 0;
    right: auto;
  }
}
@media screen and (min-width: 1180px), print {
  .index-about-text > span {
    font-size: 80px;
  }
}

/* business */
.index-business {
  position: relative;
  margin-top: calc(180 / 750 * 100vw);
  overflow: hidden;
}
.index-business::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: calc(100% - calc(120 / 750 * 100vw));
  background: var(--color-black);
}
.index-business > span {
  display: block;
  padding: calc(40 / 750 * 100vw) 0;
  color: #fff;
  font-family: var(--font-en);
  font-size: calc(90 / 750 * 100vw);
  font-weight: 700;
  white-space: nowrap;
  line-height: 1;
  opacity: .3;
}
.index-business-item {
  height: auto;
}
.index-business-item a {
  position: relative;
  display: block;
  height: 100%;
  padding: calc(160 / 750 * 100vw) calc(40 / 750 * 100vw) calc(32 / 750 * 100vw);
  color: var(--color-black);
}
.index-business-item a.planning {
  background: url(../images/bg_business_01.jpg) center center / cover no-repeat;
}
.index-business-item a.development {
  background: url(../images/bg_business_02.jpg) center center / cover no-repeat;
}
.index-business-item a.creative {
  background: url(../images/bg_business_03.jpg) center center / cover no-repeat;
}
.index-business-item a.media {
  background: url(../images/bg_business_04.jpg) center center / cover no-repeat;
}
.index-business-item a::after,
.index-business-item a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, #D7E6F4 0%, #F5DBDB 100%);
}
.index-business-item a::after {
  transform-origin: 100% 0;
  transition: transform .3s ease;
  z-index: 3;
}
.index-business-list.-show .index-business-item a::after {
  transform: scaleX(0);
}
.index-business-item a::before {
  opacity: .6;
  transition: opacity .5s;
}
.index-business-item-more {
  display: none;
}
.index-business-item-text {
  position: relative;
  z-index: 2;
}
.index-business-item-text p {
  margin-top: calc(20 / 750 * 100vw);
  font-size: calc(24 / 750 * 100vw);
  font-weight: 700;
}
@media (hover: hover) and (pointer: fine) {
  .index-business-item a:hover,
  .index-business-item a:hover .index-business-item-more {
    opacity: 1;
    transform: scale(1);
  }
  .index-business-item a:hover::before {
    opacity: .9;
  }
}
@media screen and (min-width: 768px), print {
  .index-business {
    margin-top: 120px;
  }
  .index-business::before {
    height: calc(100% - 110px);
  }
  .index-business > span {
    padding: 40px 0 60px;
    font-size: 120px;
  }
  .index-business-item a {
    padding: 260px 30px 30px;
  }
  .index-business-item-more {
    display: block;
    position: absolute;
    top: 110px;
    left: calc(50% - 45px);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 90px;
    height: 90px;
    background: #fff;
    border-radius: 1000px;
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 700;
    opacity: 0;
    transition: opacity .5s, transform .5s;
    transform: scale(.8);
  }
  .index-business-item-text p {
    margin-top: 8px;
    font-size: 16px;
    line-height: 2;
  }
}

/* works */
.index-works {
  margin-top: calc(200 / 750 * 100vw);
}
.index-works-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 calc(40 / 750 * 100vw);
}
.index-works-inner > span {
  display: inline-block;
  background: linear-gradient(to right, #D7E6F4 0%, #F5DBDB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: var(--font-en);
  font-size: calc(90 / 750 * 100vw);
  font-weight: 700;
  line-height: 1;
  mix-blend-mode: multiply;
}
.index-works-more a {
  display: inline-block;
  padding: calc(16 / 750 * 100vw) calc(40 / 750 * 100vw);
  background: var(--color-blue);
  border-radius: 1000px;
  color: #fff;
  font-family: var(--font-en);
  font-weight: 700;
}
.index-works-lists {
  margin-top: calc(40 / 750 * 100vw);
}
.index-works-lists > div + div {
  margin-top: calc(20 / 750 * 100vw);
}
.index-works-list {
  align-items: center;
  transition-timing-function: linear;
}
.index-works-item a {
  display: block;
}
@media (hover: hover) and (pointer: fine) {
  .index-works-item a:hover {
    opacity: 1;
  }
  .index-works-item a:hover::before {
    opacity: .5;
  }
  .index-works-more a:hover {
    color: var(--color-blue);
    opacity: 1;
  }
  .index-works-more a:hover::before {
    transform: scale(1);
  }
}
@media screen and (min-width: 768px), print {
  .index-works {
    margin-top: 120px;
  }
  .index-works-inner {
    align-items: flex-start;
    padding: 0 40px;
  }
  .index-works-inner > span {
    font-size: 80px;
  }
  .index-works-more a {
    padding: 10px 40px;
    font-size: 14px;
  }
  .index-works-lists {
    margin-top: -8px;
  }
  .index-works-lists > div + div {
    margin-top: 24px;
  }
  .index-works-item a {
    position: relative;
  }
  .index-works-item a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, #D7E6F4 0%, #F5DBDB 100%);
    opacity: 0;
    transition: opacity .6s cubic-bezier(0.22, 1, 0.36, 1);
  }
}
@media screen and (min-width: 1024px), print {
  .index-works-more a {
    position: relative;
    overflow: hidden;
  }
  .index-works-more a::before {
    content: '';
    position: absolute;
    top: calc(50% - 100px);
    left: calc(50% - 100px);
    width: 200px;
    height: 200px;
    background: #fff;
    border-radius: 1000px;
    transform: scale(0);
    transition: transform .6s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .index-works-more a span {
    position: relative;
    z-index: 2;
  }
}

/* news */
.index-news {
  padding: calc(180 / 750 * 100vw) 0 calc(120 / 750 * 100vw);
  background: linear-gradient(#FCF7F2 0%, #F9E9E7 100%);
}
.index-news-heading {
  font-size: calc(60 / 750 * 100vw);
  font-family: var(--font-en);
  text-align: center;
}
.index-news-list {
  margin-top: calc(40 / 750 * 100vw);
  opacity: 0;
  transform: translateY(10%);
  transition: opacity .6s, transform .6s;
}
.index-news-list.-show {
  opacity: 1;
  transform: translateY(0);
}
.index-news-item {
  border-top: 1px solid #222;
}
.index-news-item:last-child {
  border-bottom: 1px solid #222;
}
.index-news-item a {
  display: block;
  padding: calc(32 / 750 * 100vw) 0 calc(48 / 750 * 100vw);
  color: var(--color-black);
}
.index-news-item a.nolink {
  pointer-events: none;
}
.index-news-data {
  margin-bottom: calc(20 / 750 * 100vw);
  font-family: var(--font-en);
  font-weight: 700;
}
.index-news-data-day {
  margin-left: calc(10 / 750 * 100vw);
  font-size: calc(50 / 750 * 100vw);
}
.index-news-contents p + p {
  margin-top: calc(20 / 750 * 100vw);
}
@media screen and (min-width: 768px), print {
  .index-news {
    padding: 100px 0 140px;
  }
  .index-news-heading {
    font-size: 80px;
  }
  .index-news-list {
    max-width: 800px;
    margin: 60px auto 0;
  }
  .index-news-item a {
    padding: 24px 0 40px;
  }
  .index-news-data {
    margin-bottom: 20px;
  }
  .index-news-data-day {
    margin-left: 10px;
    font-size: 40px;
  }
  .index-news-contents p + p {
    margin-top: 20px;
  }
}
@media screen and (min-width: 1024px), print {
  .index-news-item a {
    display: flex;
  }
  .index-news-item a.center {
    align-items: center;
  }
  .index-news-item a.center .index-news-contents {
    padding-top: .5em;
  }
  .index-news-data {
    width: 10%;
    margin: 0 64px 0 0;
  }
  .index-news-data > span {
    display: block;
  }
  .index-news-data-day {
    margin: -10px 0 0 0;
  }
  .index-news-contents {
    flex: 1;
  }
}