@charset "UTF-8";
/* CSS Document */
body.active {
  height: 100%;
  overflow: hidden;
}
.header {
  width: 100vw;
  position: fixed;
  padding: 30px 20px 0;
  z-index: 10;
}
.header h1 {
  position: absolute;
  width: 10%;
  top: 45px;
  left: 50%;
  transform: translate(-50%, -50%);
}
.header h1 img {
  -webkit-filter: drop-shadow(
    0px 3px 10px rgba(255, 255, 255, 0.8)
  ); /* SafariなどのWebkitブラウザ用 */
  filter: drop-shadow(1px 1px 1px rgba(0, 0, 0, 0.18));
}
.header h1 a {
  display: block;
}
.btn {
  width: 35px;
  height: 35px;
  position: absolute;
  top: 30px;
  right: 20px;
  padding: 0;
  border: none;
  outline: none;
  font: inherit;
  color: inherit;
  background: none;
  cursor: pointer;
  z-index: 30;
}
.btn span:nth-child(1) {
  display: block;
  position: relative;
  width: 35px;
  height: 1px;
  background: #fff;
  box-shadow: 0 1px 3px #c7c7c7;
  margin-bottom: 20px;
  transition: all 0.4s;
}
.btn span:nth-child(2) {
  display: block;
  position: absolute;
  top: 10px;
  width: 35px;
  height: 1px;
  background: #fff;
  box-shadow: 0 1px 3px #c7c7c7;
  transition: all 0.4s;
}
.btn .btn_text {
  display: block;
  font-size: 1.2rem;
  color: #fff;
  text-align: center;
  text-shadow: 0 1px 3px #c7c7c7;
}
.btn.close .btn_text {
  display: none;
}
.btn.close span:nth-child(1) {
  background: #333;
  width: 28px;
  transform: translateY(8px) rotate(45deg);
}
.btn.close span:nth-child(2) {
  background: #333;
  width: 28px;
  transform: translateY(5px) rotate(-45deg);
}
.navigation_list {
  width: 100vw;
  height: 100vh;
  transform: translateX(100%);
  background: #fff;
  position: fixed;
  top: 0;
  left: 0;
  background-image: url("../image/coollab_logo_bk.svg");
  background-repeat: no-repeat;
  background-size: 10%;
  background-position: top 31px center;
  transition: transform 1s;
  padding: 140px 30px;
}
.navigation_list a {
  display: block;
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: #333;
  text-decoration: none;
  text-transform: uppercase;
}
.navigation_list a:nth-child(1),
.navigation_list a:nth-child(2),
.navigation_list a:nth-child(3) {
  margin-bottom: 40px;
}
.navigation_list_concept a::before {
  content: "Our Concept";
  display: block;
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  text-transform: capitalize;
  padding-bottom: 8px;
}
.navigation_list_company a::before {
  content: "Company";
  display: block;
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  text-transform: capitalize;
  padding-bottom: 8px;
}
.navigation_list_business a::before {
  content: "Our Business";
  display: block;
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  text-transform: capitalize;
  padding-bottom: 8px;
}
.navigation_list_contact a::before {
  content: "Contact";
  display: block;
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  text-transform: capitalize;
  padding-bottom: 8px;
}
.navigation_list.open {
  transform: translateX(0);
  transition: transform 1s;
  height: 100vh;
  opacity: 1;
  z-index: 20;
}

/*ヘッダー*/
/*ヘッダー 768px以上*/
@media (min-width: 768px) {
  .header {
    padding: 40px 80px 0;
  }
  .header h1 {
    top: 55px;
    width: 7%;
  }
  .btn {
    width: 40px;
    height: 40px;
    position: absolute;
    top: 40px;
    right: 30px;
  }
  .btn span:nth-child(1) {
    width: 40px;
    height: 1px;
    margin-bottom: 18px;
  }
  .btn.close span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .btn span:nth-child(2) {
    width: 40px;
    height: 1px;
    top: 12px;
  }
  .btn .btn_text {
    font-size: 1.4rem;
  }
  .navigation_list {
    background-size: 7%;
    background-position: top 40px center;
  }
  .navigation_list a {
    display: block;
    font-size: 1rem;
    letter-spacing: 0.1em;
    color: #333;
    text-decoration: none;
    text-transform: uppercase;
  }
  .navigation_list a:nth-child(1),
  .navigation_list a:nth-child(2),
  .navigation_list a:nth-child(3) {
    margin-bottom: 60px;
  }
  .navigation_list_concept a::before {
    font-size: 1.6rem;
    letter-spacing: 0.06em;
    padding-bottom: 8px;
  }
  .navigation_list_company a::before {
    font-size: 1.6rem;
    letter-spacing: 0.06em;
    padding-bottom: 8px;
  }
  .navigation_list_business a::before {
    font-size: 1.6rem;
    letter-spacing: 0.06em;
    padding-bottom: 8px;
  }
  .navigation_list_contact a::before {
    font-size: 1.6rem;
    letter-spacing: 0.06em;
    padding-bottom: 8px;
  }
}
/*ヘッダー 1100px以上*/
@media (min-width: 1100px) {
  .header h1 {
    top: 70px;
    width: 5%;
  }
  .btn {
    display: none;
  }
  .navigation_list {
    height: auto;
    transform: none;
    background-color: transparent;
    background-image: none;
    padding: 52px 50px 0;
  }
  .navigation_list ul {
    width: 50vw;
    display: flex;
    justify-content: space-between;
    flex-wrap: nowrap;
    margin-left: auto;
    padding-left: 10%;
  }
  .navigation_list ul li a {
    font-size: 1.6rem;
    color: #fff;
    text-shadow: 0 1px 3px #c7c7c7;
    letter-spacing: 0;
  }
  .navigation_list_concept a::before,
  .navigation_list_company a::before,
  .navigation_list_business a::before,
  .navigation_list_contact a::before {
    content: "";
  }
}
/*MV*/
.mv__top {
  height: 50svh;
  position: relative;
}
.mv__top img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: bottom;
}
.mv__bottom {
  height: 50svh;
}
.mv__bottom img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: bottom;
}
/* animation　設定 */
.main_imgBox {
  height: 50svh;
  overflow: hidden;
  position: relative;
}
.main_img_top01 {
  background-image: url(../image/mv__top__LGD152e.jpg);
  background-repeat: no-repeat;
  background-position: bottom;
  background-size: cover;
  opacity: 0;
  width: 100%;
  height: 50svh;
  position: absolute;
  left: 0;
  top: 0;
  -webkit-animation: anime 24s infinite;
  animation: anime 24s infinite;
}
.main_img_top02 {
  background-image: url(../image/mv__top__LGD133e.jpg);
  background-repeat: no-repeat;
  background-position: bottom;
  background-size: cover;
  opacity: 0;
  width: 100%;
  height: 50svh;
  position: absolute;
  left: 0;
  top: 0;
  -webkit-animation: anime 24s infinite;
  animation: anime 24s infinite;
}
.main_img_top03 {
  background-image: url(../image/mv__top__LGD145e.jpg);
  background-repeat: no-repeat;
  background-position: bottom;
  background-size: cover;
  opacity: 0;
  width: 100%;
  height: 50svh;
  position: absolute;
  left: 0;
  top: 0;
  -webkit-animation: anime 24s infinite;
  animation: anime 24s infinite;
}
.main_img_top02 {
  -webkit-animation-delay: 8s;
  animation-delay: 8s;
}
.main_img_top03 {
  -webkit-animation-delay: 16s;
  animation-delay: 16s;
}
@keyframes anime {
  0% {
    opacity: 0;
  }
  8% {
    opacity: 1;
  }
  40% {
    opacity: 1;
  }
  48% {
    opacity: 0;
    transform: scale(1.2);
    z-index: 9;
  }
  100% {
    opacity: 0;
  }
}
.main_img_bottom01 {
  background-image: url(../image/mv__bottom__LGD121e.jpg);
  background-repeat: no-repeat;
  background-position: bottom;
  background-size: cover;
  opacity: 0;
  width: 100%;
  height: 50svh;
  position: absolute;
  left: 0;
  top: 0;
  -webkit-animation: anime 24s infinite;
  animation: anime 24s infinite;
}
.main_img_bottom02 {
  background-image: url(../image/mv__bottom__LGD107e.jpg);
  background-repeat: no-repeat;
  background-position: bottom;
  background-size: cover;
  opacity: 0;
  width: 100%;
  height: 50svh;
  position: absolute;
  left: 0;
  top: 0;
  -webkit-animation: anime 24s infinite;
  animation: anime 24s infinite;
}
.main_img_bottom03 {
  background-image: url(../image/mv__bottom__LGD160e.jpg);
  background-repeat: no-repeat;
  background-position: bottom;
  background-size: cover;
  opacity: 0;
  width: 100%;
  height: 50svh;
  position: absolute;
  left: 0;
  top: 0;
  -webkit-animation: anime 24s infinite;
  animation: anime 24s infinite;
}
.main_img_bottom02 {
  -webkit-animation-delay: 8s;
  animation-delay: 8s;
}
.main_img_bottom03 {
  -webkit-animation-delay: 16s;
  animation-delay: 16s;
}
@keyframes anime {
  0% {
    opacity: 0;
  }
  8% {
    opacity: 1;
  }
  40% {
    opacity: 1;
  }
  48% {
    opacity: 0;
    transform: scale(1.2);
    z-index: 9;
  }
  100% {
    opacity: 0;
  }
}
.mv__concept {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  font-size: 2rem;
  color: #fff;
  line-height: 4rem;
  letter-spacing: 0.07em;
  text-align: center;
  text-shadow: 0 1px 3px #c7c7c7;
  z-index: 9;
}
.mv__company__text {
  font-size: 1.2rem;
  font-family: "Quicksand", sans-serif;
  font-optical-sizing: auto;
  font-weight: 300;
  font-style: normal;
  color: #fff;
  text-align: center;
  line-height: 1.5rem;
  margin-top: -40px;
  padding-bottom: 10px;
  text-shadow: 0 1px 3px #c7c7c7;
  position: relative;
  z-index: 9;
}
.mv__company__text span {
  border-bottom: solid 1px #fff;
}
@media (min-width: 768px) {
  .main_img_top01 {
    background: url(../image/mv__top__tab__LGD152e.jpg);
    background-size: cover;
    background-position: bottom;
  }
  .main_img_top02 {
    background: url(../image/mv__top__tab__LGD133e.jpg);
    background-size: cover;
    background-position: center;
  }
  .main_img_top03 {
    background: url(../image/mv__top__tab__LGD145e.jpg);
    background-size: cover;
    background-position: bottom;
  }
  .mv__company__text {
    margin-top: -75px;
    padding-bottom: 45px;
  }
  .mv__bottom img {
    object-position: center;
  }
  .main_img_bottom01 {
    background-image: url(../image/mv__bottom__LGD121e.jpg);
    background-position: bottom;
  }
  .main_img_bottom02 {
    background-image: url(../image/mv__bottom__tab__LGD107e.jpg);
    background-position: center;
  }
  .main_img_bottom03 {
    background-image: url(../image/mv__bottom__tab__LGD160e.jpg);
    background-position: center;
  }
}
/* メインビジュアル　768px */

/*メインビジュアル   1100px   */
@media (min-width: 1100px) {
  .header h1 {
    z-index: 10;
  }
  .mv__flex {
    display: flex;
    flex-wrap: nowrap;
  }
  .mv__top {
    width: 50vw;
    height: 100svh;
  }
  .main_imgBox {
    height: 100svh;
  }
  .main_img_top01,
  .main_img_top02,
  .main_img_top03 {
    height: 100svh;
    background-position: top;
  }
  .main_img_top01 {
    background-image: url(../image/mv__top__pc__LGD152e.jpg);
  }
  .main_img_top02 {
    background-image: url(../image/mv__top__pc__LGD133e.jpg);
  }
  .main_img_top03 {
    background-image: url(../image/mv__top__pc__LGD145e.jpg);
  }
  .mv__bottom {
    width: 50vw;
    height: 100svh;
  }
  .main_img_bottom01 {
    height: 100svh;
  }
  .main_img_bottom02 {
    background-image: url(../image/mv__bottom__pc__LGD107e.jpg);
    height: 100svh;
  }
  .main_img_bottom03 {
    background-image: url(../image/mv__bottom__tab__LGD160e.jpg);
    background-position: center;
    height: 100svh;
  }
  .mv__company__text {
    padding-bottom: 41px;
    margin: 0 auto;
    margin-top: -74px;
  }
}
/* メインビジュアル　1100px */

/*コンセプト   SP*/
.concept {
  position: relative;
  overflow: hidden;
  clip-path: inset(0 0 0 0);
}
.concept::before {
  content: "";
  width: 100%;
  height: 100vh;
  background-image: url("../image/concept__bg__LGD126e.jpg");
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: right;
  z-index: -1;
}
.pc_only {
  display: none;
}
.concept__inner {
  padding: 80px 30px 55px;
}
.concept__text__top {
  display: flex;
  justify-content: space-between;
}
.concept__text__left {
  width: 20%;
}
.concept__text__left h2 {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-size: 4rem;
  font-weight: 100;
  letter-spacing: 0.06em;
  color: #fff;
}
.concept__text__left h2::before {
  content: "私たちについて";
  display: block;
  font-size: 1.4rem;
  writing-mode: vertical-rl;
  letter-spacing: 0.4em;
  padding: 5px 0 0 8px;
  font-weight: 100;
}
.concept__text__box {
  font-size: 1.6rem;
  color: #fff;
  line-height: 3.8rem;
}
.concept__text__right {
  width: calc(100% - 20% - 60px);
  margin: -10px 0 70px;
}
.concept__text__bottom {
  display: inline-block;
  margin-bottom: 50px;
}
.concept__text__box span:nth-child(4) {
  margin-bottom: 120px;
}
.concept__text__size {
  font-size: 2.1rem;
}
/* コンセプト　タブレット */
@media (min-width: 768px) {
  .concept::before {
    background-image: url("../image/concept__bg__tab__LGD126e.jpg");
    background-position: top;
  }
  .pc_only {
    display: block;
  }
  .concept__inner {
    padding: 80px 75px 55px;
  }
  .concept__text__top {
    justify-content: space-around;
  }
  .concept__text__left h2 {
    font-size: 5.2rem;
    letter-spacing: 0.04em;
  }
  .concept__text__right {
    width: calc(100% - 20% - 150px);
    margin-bottom: 150px;
  }
} /* コンセプト  768px */

/* コンセプト　PC */
@media (min-width: 1100px) {
  .concept::before {
    background-image: url("../image/concept__bg__pc__LGD126e.jpg");
    background-position: bottom;
  }
  .concept__inner {
    padding: 70px 0 200px;
  }
  .concept__text__left {
    width: 50%;
  }
  .concept__text__left h2 {
    font-size: 7rem;
    position: absolute;
    left: 25%;
  }
  .concept__text__left h2::before {
    font-size: 2.2rem;
    padding-left: 25px;
  }
  .concept__text__right {
    width: 50%;
    padding-left: 3%;
  }
  .concept__text__box {
    font-size: 2.2rem;
    line-height: 5.2rem;
  }
  .concept__text__size {
    font-size: 2.7rem;
  }
  .concept__text__bottom {
    margin-bottom: 60px;
  }
  .concept__text__bottom__left {
    width: 50%;
    margin-left: auto;
    padding-left: 3%;
  }
  .concept__text__box {
    max-width: 462px;
  }
} /* コンセプト　PC */

/* ラボグロウンダイヤモンドについて */
.pc_only {
  display: none;
}
.about__rab {
  padding: 100px 0 80px;
}
.about__rab__ttl h2,
.contact__ttl h2 {
  font-size: 4rem;
  font-weight: 100;
  letter-spacing: 0.1em;
  line-height: 4.3rem;
  text-align: center;
}
.about__rab__ttl h2::after {
  content: "ラボグロウンダイヤモンドについて";
  display: block;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  text-align: center;
  margin-bottom: 80px;
}
.about__rab__wrapper__top {
  text-align: center;
  line-height: 0;
}
.about__rab__wrapper__top img {
  width: 57%;
}
.about__rab__wrapper__content {
  padding: 80px 30px 80px;
  font-size: 1.6rem;
  text-align: left;
  letter-spacing: 0.1em;
  line-height: 3.8rem;
}
.about__rab__wrapper__bottom {
  margin-bottom: 120px;
  line-height: 0;
}
.about__rab__wrapper__bottom__last {
  margin-bottom: 40px;
}
.about__rab__wrapper__bottom img {
  width: 100%;
}
.about__rab__wrapper__content__last {
  padding: 0 30px;
}
/* ラボグロウンダイヤモンドについて */

/* ラボグロウンダイヤモンドについて タブレット*/
@media (min-width: 768px) {
  .about__rab__ttl h2,
  .contact__ttl h2 {
    font-size: 5.2rem;
    line-height: 5.8rem;
  }
  .about__rab__ttl h2::after {
    font-size: 1.4rem;
  }
  .about__rab__wrapper__content {
    padding: 100px 75px 80px;
  }
  .about__rab__wrapper__bottom__last {
    margin-bottom: 80px;
  }
  .about__rab__wrapper__content__last {
    padding: 0 75px;
  }
} /* ラボグロウンダイヤモンドについて タブレット*/

/* ラボグロウンダイヤモンドについて PC*/
@media (min-width: 1100px) {
  .sp__only {
    display: none;
  }
  .pc_only {
    display: inline-block;
  }
  .pc_only_content {
    white-space: pre;
  }
  .about__rab {
    padding: 100px 0;
  }
  .about__rab__ttl h2 {
    font-size: 14rem;
    line-height: 14rem;
  }
  .about__rab__ttl h2::after {
    font-size: 2.2rem;
    margin-bottom: 150px;
  }
  .about__rab__wrapper {
    display: flex;
    width: 100%;
    flex-wrap: wrap;
    padding: 0 100px;
    margin-bottom: 100px;
  }
  .about__rab__wrapper__top {
    width: 50%;
    margin-top: 60px;
  }
  .about__rab__wrapper__top img {
    width: 300px;
  }
  .about__rab__wrapper__content {
    font-size: 2.2rem;
    max-width: 460px;
    line-height: 6rem;
    padding: 70px 10px 0 10px;
    margin: 0 auto;
  }
  .about__rab__wrapper__bottom {
    width: 50%;
    height: 1000px;
  }
  .about__rab__wrapper__bottom img {
    height: 100%;
    object-fit: cover;
  }
  .about__rab__wrapper__second {
    flex-direction: row-reverse;
  }
  .about__rab__wrapper__third {
    display: flex;
  }
  .about__rab__wrapper__last {
    margin: 0 -20px 0 0;
  }
  .about__rab__wrapper__content__last {
    display: none;
  }
}
/* ラボグロウンについて　　PC */

/* お問い合わせ */
.contact {
  background-image: url("../image/contact__bg__LGD150e.jpg");
  width: 100%;
  height: 300px;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
}
.contact__inner a {
  display: block;
  width: 100%;
  height: 100%;
}
.contact__ttl h2:after {
  content: "お問い合わせ";
  display: block;
  font-size: 1.6rem;
  font-weight: bold;
  letter-spacing: 0.08em;
  text-align: center;
  margin-bottom: 30px;
}
.contact__ttl span {
  display: block;
  font-size: 1.6rem;
  font-weight: bold;
  text-align: center;
}
/* お問い合わせ　タブレット */
@media (min-width: 768px) {
  .contact {
    height: 500px;
  }
  .contact__ttl span {
    font-size: 2.2rem;
  }
  .contact__ttl h2::after {
    font-size: 1.4rem;
  }
  .contact__ttl span {
    font-size: 1.8rem;
  }
}
/* お問い合わせ　タブレット */

/* お問い合わせ　PC */
@media (min-width: 1100px) {
  .contact {
    height: 800px;
    background-position: bottom;
  }
  .contact__ttl h2 {
    font-size: 11rem;
  }
  .contact__ttl h2:after {
    font-size: 2.2rem;
    margin-top: 40px;
  }
  .contact__ttl span {
    font-size: 2.2rem;
  }
}
@media (min-width: 1500px) {
  .contact {
    height: 800px;
    background-image: url(../image/contact__bg__pc__LGD150e.jpg);
    background-position: center;
  }
}

/* フッター */
.footer {
  background: #504a41;
}
.footer__inner {
  padding: 50px 30px 35px;
}
.footer__logo {
  text-align: center;
  margin-bottom: 50px;
}
.footer__logo img {
  width: 17%;
}
.footer__link ul li {
  font-size: 1.6rem;
  letter-spacing: 0.1em;
  margin-bottom: 30px;
}
.footer__link__small a {
  font-size: 1rem;
}
.footer__link ul li:last-of-type {
  margin-bottom: 0;
}
.footer__copyright {
  font-size: 1.2rem;
  color: #fff;
  text-align: center;
  letter-spacing: 0.1em;
  line-height: 1.5rem;
  margin-top: 100px;
}
.footer_instagram_icon {
  width: 24px;
  height: 24px;
}
.footer__copyright__bottom {
  display: block;
  margin-bottom: 10px;
}
@media (min-width: 768px) {
  .footer__inner {
    padding: 50px 75px 55px;
  }
  .footer__logo img {
    width: 12%;
  }
  .footer__link ul li {
    margin-bottom: 45px;
  }
  .footer__copyright {
    margin-top: 80px;
    line-height: 1.8rem;
  }
}
@media (min-width: 1100px) {
  .footer__inner {
    padding: 50px 0;
    max-width: 1000px;
    margin: 0 auto;
  }
  .footer__logo {
    text-align: left;
  }
  .footer__logo img {
    width: 6%;
  }
  .footer__copyright {
    margin-top: 45px;
  }
}