html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', 'ヒラギノ角ゴ Pro W3', 'Hiragino Kaku Gothic Pro', '游ゴシック', 'Yu Gothic', 'ＭＳ Ｐゴシック', sans-serif;
  font-size: 16px;
  font-weight: 500;
}

@media screen and (max-width: 899px) {
  body.is-fixed {
    overflow: hidden;
  }
}

.container--1400 {
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 50px;
}

.container--1200 {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 50px;
}

.container--1050 {
  width: 100%;
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 50px;
}

@media screen and (max-width: 899px) {

  .container--1400,
  .container--1200,
  .container--1050 {
    padding: 0 20px;
  }
}

.heading--1 {
  font-family: 'Lusitana', serif;
  /**font-family: 'Heebo', 'Avenir', 'Helvetica Neue', 'Helvetica', 'Arial';**/
  font-size: 150px;
  font-weight: 400;
  /**font-weight: 700;**/
  letter-spacing: 0.05em;
  /**letter-spacing: -0.03em;**/
}

@media screen and (max-width: 899px) {
  .heading--1 {
    font-size: 15vw;
    /**font-size: 19vw;**/
  }
}

.heading--2 {
  font-family: 'Lusitana', serif;  
  /**font-family: 'Heebo', 'Avenir', 'Helvetica Neue', 'Helvetica', 'Arial';**/
  font-size: 100px;
  font-weight: 400;
  /**font-weight: 700;**/
}

@media screen and (max-width: 899px) {
  .heading--2 {
    font-size: 46px;
  }
}

.is-pc {
  display: block;
}

.is-sp {
  display: none;
}

@media screen and (max-width: 899px) {
  .is-pc {
    display: none;
  }

  .is-sp {
    display: block;
  }
}

.fade-in {
  opacity: 0;
  transition: opacity .5s, transform .5s;
}

.scroll-in {
  opacity: 1;
  transform: translate(0, 0);
}


.header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  height: 100px;
  z-index: 1;
}

@media screen and (max-width: 899px) {
  .header {
    height: 60px;
  }
}

.header__logo {
  width: 105px;
  z-index: 2;
  transition: all .3s;
}

.header__logo img {
  width: 105px;
}

@media screen and (max-width: 899px) {
  .header__logo img {
    width: 70px;
  }
}

.header__menu-btn {
  display: none;
}

@media screen and (max-width: 899px) {
  .header__menu-btn {
    display: block;
    position: absolute;
    right: 20px;
    width: 30px;
    height: 9px;
    z-index: 2;
  }

  .header__menu-btn::before,
  .header__menu-btn::after {
    content: '';
    display: block;
    width: 100%;
    height: 1px;
    background: #000;
    transition: all .3s;
  }

  .header__menu-btn::after {
    transform: translateY(7px);
  }

  .header__menu-btn.is-open::before,
  .header__menu-btn.is-open::after {
    background: #fff;
  }

  .header__menu-btn.is-open::before {
    transform: rotate(45deg) translate(1px, 3px);
  }

  .header__menu-btn.is-open::after {
    transform: rotate(-45deg) translate(-2px, 0);
  }
}

@media screen and (max-width: 899px) {
  .header__menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #000;
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s, visibility .3s;
  }

  .header__menu.is-open {
    opacity: 1;
    visibility: visible;
  }
}

.header__menu-list {
  display: flex;
}

@media screen and (max-width: 899px) {
  .header__menu-list {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    flex-direction: column;
    margin-left: 20px;
  }
}

.header__menu-item {
  margin-left: 20px;
}

@media screen and (max-width: 899px) {
  .header__menu-item {
    margin-bottom: 20px;
  }
}

.header__menu-item a {
  font-family: 'Lusitana', serif;
  /**font-family: 'Heebo', 'Avenir', 'Helvetica Neue', 'Helvetica', 'Arial';**/
  font-size: 18px;
  font-weight: 600;
}

@media screen and (max-width: 899px) {
  .header__menu-item a {
    color: #fff;
    font-size: 36px;
  }
}

.header__menu-item a::after {
  content: '';
  display: block;
  width: 0;
  height: 1.5px;
  background: #000;
  transition: all .3s;
}

.header__menu-item a:hover::after {
  width: 100%;
}

.mv {
  position: relative;
  margin-top: 100px;
  height: calc(100vh - 100px);
  min-height: 47vw;
  max-height: 50vw;
}

@media screen and (max-width: 899px) {
  .mv {
    height: 102vw;
    max-height: 102vw;
    margin-top: 60px;
  }
}

.mv__img {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: no-repeat right top / contain;
  opacity: 0;
  animation: change-mv 20s infinite;
}

@media screen and (max-width: 899px) {
  .mv__img {
    top: unset;
    bottom: 0;
    background: no-repeat right bottom / contain;
  }
}

.mv__img--1 {
  background-image: url(/img/mv_pc_01.jpg);
}

@media screen and (max-width: 899px) {
  .mv__img--1 {
    background-image: url(/img/mv_sp_01.jpg);
  }
}

.mv__img--2 {
  background-image: url(/img/mv_pc_02.jpg);
  animation-delay: 5s;
}

@media screen and (max-width: 899px) {
  .mv__img--2 {
    background-image: url(/img/mv_sp_02.jpg);
  }
}

.mv__img--3 {
  background-image: url(/img/mv_pc_03.jpg);
  animation-delay: 10s;
}

@media screen and (max-width: 899px) {
  .mv__img--3 {
    background-image: url(/img/mv_sp_03.jpg);
  }
}

.mv__img--4 {
  background-image: url(/img/mv_pc_04.jpg);
  animation-delay: 15s;
}

@media screen and (max-width: 899px) {
  .mv__img--4 {
    background-image: url(/img/mv_sp_04.jpg);
  }
}

@keyframes change-mv {
  0% {
    opacity: 1;
  }

  5% {
    opacity: 1;
  }

  25% {
    opacity: 1;
  }

  30% {
    opacity: 1;
  }

  100% {
    opacity: 1;
  }
}

@media screen and (min-width: 1481px) {
  .mv {
    height: 749px;
    min-height: 749px;
  }
}

.mv__title {
  position: absolute;
  top: 30%;
  left: 0;
}

@media screen and (max-width: 899px) {
  .mv__title {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
  }
}

.mv__text {
  font-family: 'Heebo', 'Avenir', 'Helvetica Neue', 'Helvetica', 'Arial';
  font-size: 34px;
  font-weight: 300;
}

@media screen and (max-width: 899px) {
  .mv__text {
    margin-top: -3vw;
    font-size: 3vw;
    text-align: right;
  }
}

.mv__progress {
  position: absolute;
  bottom: 8%;
  font-family: 'Oswald', 'Avenir', 'Helvetica Neue', 'Helvetica', 'Arial';
  font-size: 21px;
  font-weight: 300;
  letter-spacing: 0.04em;
}

.mv__progress--1 {
  opacity: 0;
  animation: change-mv 20s infinite;
}

.mv__progress--2 {
  opacity: 0;
  animation: change-mv 20s infinite;
  animation-delay: 5s;
}

.mv__progress--3 {
  opacity: 0;
  animation: change-mv 20s infinite;
  animation-delay: 10s;
}

.mv__progress--4 {
  opacity: 0;
  animation: change-mv 20s infinite;
  animation-delay: 15s;
}

.concept {
  padding-top: 150px;
}

@media screen and (max-width: 899px) {
  .concept {
    padding-top: 60px;
  }
}

.concept__title {
  margin-top: 40px;
  font-family: 'Heebo', 'Avenir', 'Helvetica Neue', 'Helvetica', 'Arial';
  font-size: 30px;
  font-weight: 700;
}

@media screen and (max-width: 899px) {
  .concept__title {
    margin-top: 20px;
    font-size: 22px;
    line-height: 1.45;
  }
}

.concept__text {
  width: 62%;
  margin-top: 34px;
  font-size: 18px;
  line-height: 2;
}

@media screen and (max-width: 899px) {
  .concept__text {
    width: 100%;
    margin-top: 20px;
    font-size: 14px;
  }
}

.concept__img {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}

@media screen and (max-width: 899px) {
  .concept__img {
    margin-top: 40px;
  }
}

.concept__img img {
  width: 31%;
  height: 100%;
}

@media screen and (max-width: 899px) {
  .concept__img img {
    width: 48%;
  }
}

.concept__img img:first-of-type {
  margin-top: 14%;
}

.concept__img img:nth-of-type(2) {
  margin-top: 7%;
}

@media screen and (max-width: 899px) {
  .concept__img img:nth-of-type(2) {
    margin-top: 10%;
  }
}

.service {
  display: flex;
  margin-top: 70px;
  padding-top: 130px;
}

@media screen and (max-width: 899px) {
  .service {
    margin-top: 40px;
    padding-top: 80px;
  }
}

.service__heading {
  writing-mode: vertical-rl;
  transform: translateX(-27px);
}

@media screen and (max-width: 899px) {
  .service__heading {
    transform: translateX(-12px);
  }
}

.service__content {
  margin-left: 50px;
}

@media screen and (max-width: 999px) {
  .service__content {
    margin-left: 20px;
  }
}

.service__item {
  display: flex;
  align-items: center;
}

@media screen and (max-width: 999px) {
  .service__item {
    align-items: flex-start;
  }
}

@media screen and (max-width: 899px) {
  .service__item {
    display: flex;
    flex-direction: column;
  }
}

.service__item:not(:first-of-type) {
  margin-top: 76px;
}

@media screen and (max-width: 899px) {
  .service__item:not(:first-of-type) {
    margin-top: 60px;
  }
}

.service__img {
  width: 318px;
}

@media screen and (max-width: 899px) {
  .service__img {
    width: 100%;
  }
}

.service__detail {
  margin-left: 50px;
}

@media screen and (max-width: 899px) {
  .service__detail {
    margin: 22px 0 0;
  }
}

.service__title {
  font-size: 28px;
  font-weight: 700;
}

@media screen and (max-width: 899px) {
  .service__title {
    font-size: 18px;
  }
}

.service__title::before {
  content: attr(data-title);
  display: block;
  margin-bottom: 6px;
  color: #c0c0c0;
  font-family: 'Heebo', 'Avenir', 'Helvetica Neue', 'Helvetica', 'Arial';
  font-size: 17px;
  font-weight: 300;
}

@media screen and (max-width: 899px) {
  .service__title::before {
    margin-bottom: 3px;
    font-size: 12px;
  }
}

.service__text {
  margin-top: 16px;
  line-height: 2;
}

@media screen and (max-width: 899px) {
  .service__text {
    font-size: 12px;
  }
}

.works {
  margin-top: 20px;
  padding-top: 130px;
}

@media screen and (max-width: 899px) {
  .works {
    padding-top: 80px;
  }
}

.works__heading {
  text-align: right;
}

.works__wrap {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
}

@media screen and (max-width: 899px) {
  .works__wrap {
    margin-top: 25px;
  }
}

.works__content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 92%;
}

@media screen and (max-width: 899px) {
  .works__content {
    flex-direction: column;
    width: 90%;
  }
}

.works__item {
  width: 47%;
}

@media screen and (max-width: 899px) {
  .works__item {
    width: 100%;
  }
}

.works__item:first-of-type,
.works__item:nth-of-type(2) {
  margin-bottom: 60px;
}

@media screen and (max-width: 899px) {

  .works__item:first-of-type,
  .works__item:nth-of-type(2),
  .works__item:nth-of-type(3) {
    margin-bottom: 48px;
  }
}

.works__title-block {
  display: grid;
  grid-template-rows: 48% 52%;
  grid-template-columns: 74px 1fr;
  align-items: center;
}

@media screen and (max-width: 899px) {
  .works__title-block {
    grid-template-columns: 58px 1fr;
  }
}

.works__num {
  grid-row: 1 / 3;
  grid-column: 1 / 2;
  display: inline-block;
  width: 56px;
  height: 56px;
  border: solid 1px #000;
  border-radius: 50%;
  font-family: 'Oswald', 'Avenir', 'Helvetica Neue', 'Helvetica', 'Arial';
  font-size: 19px;
  font-weight: 400;
  text-align: center;
  letter-spacing: 0.04em;
  line-height: 53px;
}

@media screen and (max-width: 899px) {
  .works__num {
    width: 46px;
    height: 46px;
    font-size: 17px;
    line-height: 44px;
  }
}

.works__subtitle {
  grid-row: 1 / 2;
  grid-column: 2 / 3;
  font-weight: 700;
}

@media screen and (max-width: 899px) {
  .works__subtitle {
    font-size: 13px;
  }
}

.works__title {
  grid-row: 2 / 3;
  grid-column: 2 / 3;
  font-size: 22px;
  font-weight: 700;
}

@media screen and (max-width: 899px) {
  .works__title {
    font-size: 18px;
  }
}

.works__text {
  margin-top: 28px;
  font-size: 14px;
  line-height: 2;
}

@media screen and (max-width: 899px) {
  .works__text {
    margin-top: 20px;
    font-size: 12px;
  }
}

.works__period {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  font-family: 'Oswald', 'Avenir', 'Helvetica Neue', 'Helvetica', 'Arial';
  font-size: 18px;
  font-style: italic;
  letter-spacing: 0.04em;
}

@media screen and (max-width: 899px) {
  .works__period {
    justify-content: flex-start;
  }
}

.works__period-text {
  writing-mode: vertical-rl;
}

@media screen and (max-width: 899px) {
  .works__period-text {
    font-size: 13px;
  }
}

.works__period-line {
  display: block;
  width: 1px;
  height: 82%;
  background: #000;
}

@media screen and (max-width: 899px) {
  .works__period-line {
    height: 90px;
    margin: 10px 0;
  }
}

.bg-img {
  margin-top: 170px;
  width: 100%;
}

@media screen and (max-width: 899px) {
  .bg-img {
    margin-top: 70px;
  }
}

.company {
  padding-top: 120px;
  padding-bottom: 120px;
}

@media screen and (max-width: 899px) {
  .company {
    padding-top: 65px;
    padding-bottom: 65px;
  }
}

.company__table {
  display: flex;
  flex-wrap: wrap;
  margin-top: 30px;
}

.company__table dt {
  width: 10%;
  margin-bottom: 20px;
  line-height: 1.7;
}

@media screen and (max-width: 899px) {
  .company__table dt {
    width: 20%;
    font-size: 14px;
  }
}

.company__table dd {
  width: 90%;
  margin-bottom: 20px;
  font-weight: 400;
  line-height: 1.7;
}

.company__table dt:last-of-type,
.company__table dd:last-of-type {
  margin-bottom: 0;
}


@media screen and (max-width: 899px) {
  .company__table dd {
    width: 80%;
    font-size: 14px;
  }
}

.contact a {
  display: block;
  background: #000;
  padding: 100px 0;
}

@media screen and (max-width: 899px) {
  .contact a {
    padding: 50px 0 55px;
  }
}

.contact__heading {
  color: #fff;
  text-align: center;
}

.contact__text {
  margin-top: 20px;
  color: #fff;
  font-size: 26px;
  text-align: center;
}

@media screen and (max-width: 899px) {
  .contact__text {
    margin-top: 10px;
    font-size: 14px;
  }
}

.privacy {
  padding-top: 90px;
  padding-bottom: 90px;
}

@media screen and (max-width: 899px) {
  .privacy {
    padding-top: 50px;
    padding-bottom: 55px;
  }
}

.privacy__heading {
  font-size: 50px;
}

@media screen and (max-width: 899px) {
  .privacy__heading {
    font-size: 32px;
  }
}

.privacy__text {
  margin-top: 30px;
  font-weight: 700;
}

@media screen and (max-width: 899px) {
  .privacy__text {
    margin-top: 20px;
    font-size: 12px;
  }
}

.privacy__link {
  position: relative;
  display: inline-block;
  align-items: center;
  margin-top: 15px;
  font-weight: 700;
}

@media screen and (max-width: 899px) {
  .privacy__link {
    font-size: 12px;
  }
}

.privacy__link::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -35px;
  display: block;
  width: 26px;
  height: 2px;
  background: #000;
  transform: translateX(0);
  transition: all .2s;
}

@media screen and (max-width: 899px) {
  .privacy__link::before {
    right: -30px;
    width: 20px;
    height: 1.5px;
  }
}

.privacy__link:hover::before {
  transform: translateX(5px);
}

.privacy__link::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -35px;
  display: block;
  width: 7px;
  height: 7px;
  border-top: solid 2px #000;
  border-right: solid 2px #000;
  transform: translateX(0) translateY(-35%) rotate(45deg);
  transition: all .2s;
}

@media screen and (max-width: 899px) {
  .privacy__link::after {
    right: -30px;
    width: 6px;
    height: 6px;
    border-top: solid 1.5px #000;
    border-right: solid 1.5px #000;
  }
}

.privacy__link:hover::after {
  transform: translateX(5px) translateY(-35%) rotate(45deg);
}

.footer {
  height: 100px;
  border-top: solid 1px #000;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

@media screen and (max-width: 899px) {
  .footer__inner {
    flex-wrap: wrap;
    align-content: center;
  }
}

.footer__logo {
  width: 90px;
  margin-right: 50px;
}

@media screen and (max-width: 899px) {
  .footer__logo {
    width: 70px;
    margin-right: 0;
  }
}

.spacer {
  content: '';
  width: 100%;
}

.footer__menu {
  display: flex;
  margin-right: auto;
}

@media screen and (max-width: 899px) {
  .footer__menu {
    margin-top: 12px;
  }
}

.footer__menu-item {
  margin-right: 25px;
}

@media screen and (max-width: 899px) {
  .footer__menu-item {
    margin-right: 14px;
  }
}

.footer__menu-item a,
.footer__copyright {
  font-family: 'Lusitana', serif;
  /**font-family: 'Heebo', 'Avenir', 'Helvetica Neue', 'Helvetica', 'Arial';**/
  font-weight: 600;
}

@media screen and (max-width: 899px) {

  .footer__menu-item a,
  .footer__copyright {
    font-size: 12px;
  }

  .footer__copyright {
    margin-top: 12px;
  }
}

.footer__menu-item a::after {
  content: '';
  display: block;
  width: 0;
  height: 1.5px;
  background: #000;
  transition: all .3s;
}

.footer__menu-item a:hover::after {
  width: 100%;
}