body {
  background: #000;
  letter-spacing: normal;
  line-height: 1.5;
  color: #fff;
  font-family: 'Inter Placeholder',sans-serif;
}

header {
  position: fixed;
}

header .header-menu {
  padding-top: 10px;
  height: 55px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  background: #000;
}

header .header-menu .left {
  margin-left: 5%;
}

header .header-menu .left img {
  width: 100px;
}

header .header-menu .center {
  margin-right: auto;
  margin-left: auto;
}

@media screen and (max-width: 700px) {
  header .header-menu .center {
    display: none;
  }
}

header .header-menu .center .nav a {
  color: #fff;
}

header .header-menu .center .nav a:not(:first-child) {
  margin-left: 20px;
}

header .header-bottom {
  width: 100%;
}

/*----------
drawer
----------*/
.drawer-icon {
  position: fixed;
  top: 10px;
  right: 28px;
  z-index: 300;
  -webkit-transition: -webkit-transform 1s ease 0s;
  transition: -webkit-transform 1s ease 0s;
  transition: transform 1s ease 0s;
  transition: transform 1s ease 0s, -webkit-transform 1s ease 0s;
  display: block;
}

.drawer-icon.is-active {
  display: none;
}

@media screen and (max-width: 700px) {
  .drawer-icon.is-active {
    display: block;
    -webkit-transform: translateY(0px);
            transform: translateY(0px);
  }
}

.drawer-icon.is-active .drawer-icon-bar1 {
  display: none;
}

@media screen and (max-width: 700px) {
  .drawer-icon.is-active .drawer-icon-bar1 {
    display: block;
    top: 25px;
    -webkit-transition: ease .3s;
    transition: ease .3s;
    -webkit-transform: rotate(-45deg);
            transform: rotate(-45deg);
  }
}

.drawer-icon.is-active .drawer-icon-bar2 {
  display: none;
}

.drawer-icon.is-active .drawer-icon-bar3 {
  display: none;
}

@media screen and (max-width: 700px) {
  .drawer-icon.is-active .drawer-icon-bar3 {
    display: block;
    -webkit-transform: rotate(45deg);
            transform: rotate(45deg);
    top: 25px;
    -webkit-transition: ease .3s;
    transition: ease .3s;
  }
}

.drawer-icon-bars {
  display: none;
}

@media screen and (max-width: 700px) {
  .drawer-icon-bars {
    width: 50px;
    height: 50px;
    display: block;
    position: relative;
  }
}

.drawer-icon-bar1,
.drawer-icon-bar2,
.drawer-icon-bar3 {
  display: none;
}

@media screen and (max-width: 700px) {
  .drawer-icon-bar1,
  .drawer-icon-bar2,
  .drawer-icon-bar3 {
    display: block;
    position: absolute;
    width: 30px;
    height: 1.5px;
    background: #fff;
    top: 0;
    left: 0;
  }
}

.drawer-icon-bar1 {
  top: 19px;
  left: 17.5px;
}

@media screen and (max-width: 700px) {
  .drawer-icon-bar1 {
    top: 12.5px;
    left: 10px;
  }
}

.drawer-icon-bar2 {
  top: 35px;
  left: 17.5px;
}

@media screen and (max-width: 700px) {
  .drawer-icon-bar2 {
    top: 25px;
    left: 10px;
  }
}

.drawer-icon-bar3 {
  top: 51px;
  left: 17.5px;
}

@media screen and (max-width: 700px) {
  .drawer-icon-bar3 {
    top: 37.5px;
    left: 10px;
  }
}

.drawer-content {
  width: 800px;
  height: 98%;
  position: fixed;
  right: 0;
  top: 0;
  background: #000;
  z-index: 299;
  -webkit-transform: translateY(-130%);
          transform: translateY(-130%);
  -webkit-transition: -webkit-transform 1s ease 0s;
  transition: -webkit-transform 1s ease 0s;
  transition: transform 1s ease 0s;
  transition: transform 1s ease 0s, -webkit-transform 1s ease 0s;
}

@media screen and (max-width: 700px) {
  .drawer-content {
    width: 100%;
    height: 60%;
  }
}

.drawer-content.is-active {
  -webkit-transform: translateX(0);
          transform: translateX(0);
}

.drawer-content-items .right {
  margin-left: 5%;
  margin-top: 5%;
}

.drawer-content-items .right img {
  width: 100px;
}

.drawer-content-items .left {
  margin-left: 5%;
}

.drawer-content-items .drawer-bottom {
  width: 100%;
}

.drawer-content-item {
  line-height: 80px;
}

@media screen and (max-width: 700px) {
  .drawer-content-item {
    line-height: 20px;
  }
}

.drawer-content-item a {
  display: block;
  color: #fff;
  text-decoration: none;
  padding: 18px 20px;
  position: relative;
  text-align: left;
}

.drawer-content-item a::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  width: 8px;
  height: 11px;
  background: url(../img/arrow-b.svg) no-repeat center center/contain;
}

.drawer-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.1);
  z-index: 298;
  display: none;
}

.drawer-bg.is-active {
  display: block;
}

/*----------
top
----------*/
.top-video {
  padding-top: 85px;
}

@media screen and (max-width: 700px) {
  .top-video {
    padding-top: 65px;
  }
}

/*----------
overview
----------*/
.overview {
  width: 90%;
  margin-right: auto;
  margin-left: auto;
}

.overview .container .overview-title {
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 30px;
}

.overview .container .sub-title {
  font-size: 50px;
  font-weight: bold;
  margin-bottom: 20px;
}

@media screen and (max-width: 700px) {
  .overview .container .sub-title {
    font-size: 24px;
  }
}

.overview .container .contents {
  font-size: 24px;
  color: #888;
  font-weight: bold;
}

@media screen and (max-width: 700px) {
  .overview .container .contents {
    font-size: 20px;
  }
}

/*----------
works
----------*/
.works {
  width: 90%;
  margin-right: auto;
  margin-left: auto;
  margin-top: 150px;
}

.works .container .works-title {
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 30px;
}

.works .container .contents {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid #343434;
}

@media screen and (max-width: 700px) {
  .works .container .contents {
    display: block;
  }
}

.works .container .contents .left {
  width: 25%;
}

@media screen and (max-width: 700px) {
  .works .container .contents .left {
    width: 100%;
    margin-bottom: 20px;
  }
}

.works .container .contents .left .art-title {
  font-size: 24px;
  margin-bottom: 5px;
}

.works .container .contents .left .art-content {
  font-size: 16px;
}

.works .container .contents .center {
  width: 48%;
}

@media screen and (max-width: 700px) {
  .works .container .contents .center {
    width: 100%;
    margin-bottom: 20px;
  }
}

.works .container .contents .center iframe {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
}

.works .container .contents .right {
  width: 25%;
}

@media screen and (max-width: 700px) {
  .works .container .contents .right {
    width: 100%;
  }
}

.works .container .contents .right .right-content {
  margin-bottom: 30px;
}

.works .container .contents .right .right-content .exp-title {
  font-size: 16px;
  margin-bottom: 5px;
}

.works .container .contents .right .right-content .exp-content {
  font-size: 12px;
}

/*----------
achieve
----------*/
.achieve {
  width: 90%;
  margin-right: auto;
  margin-left: auto;
  margin-top: 150px;
}

.achieve .container .achieve-title {
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 30px;
}

.achieve .container .achieve-exp {
  font-size: 24px;
  color: #888;
  font-weight: bold;
  margin-bottom: 30px;
}

@media screen and (max-width: 700px) {
  .achieve .container .achieve-exp {
    font-size: 20px;
  }
}

.achieve .container .contents {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.achieve .container .contents::after {
  content: "";
  display: block;
  width: 30%;
  height: 0;
}

.achieve .container .contents .outside {
  margin: 10px;
  padding: 10px;
  min-width: 120px;
  width: 12.5%;
}

@media screen and (max-width: 700px) {
  .achieve .container .contents .outside {
    min-width: 90px;
  }
}

.achieve .container .contents .outside img {
  width: 100%;
}

/*----------
use
----------*/
.use {
  width: 90%;
  margin-right: auto;
  margin-left: auto;
  margin-top: 150px;
}

.use .container .use-title {
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 30px;
}

/*----------
contact
----------*/
#contacts {
  padding: 100px 0;
  background: #000;
  padding-top: 300px;
}

#contacts .container {
  width: 90%;
  max-width: 1280px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
  color: #fff;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: distribute;
      justify-content: space-around;
}

@media screen and (max-width: 700px) {
  #contacts .container {
    display: block;
  }
}

#contacts .container .contact-title {
  text-align: left;
  width: 25%;
}

@media screen and (max-width: 700px) {
  #contacts .container .contact-title {
    width: 90%;
    margin-bottom: 10px;
  }
}

#contacts .container .contact-title .main-title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
}

#contacts .container .contact-title .sub-title {
  font-size: 14px;
}

.contact {
  text-align: left;
  width: 70%;
  background: #101010;
  padding: 30px;
  border-radius: 15px;
}

@media screen and (max-width: 700px) {
  .contact {
    width: 100%;
  }
}

.contact input[type="text"],
.contact input[type="email"],
.contact textarea {
  width: 100%;
  border: 0;
  font-size: 14px;
  padding: .2em .5em;
  background: #101010;
  border-bottom: 1px solid #fff;
  height: 50px;
  color: #fff;
}

.contact input[type="text"]:focus,
.contact input[type="email"]:focus,
.contact textarea:focus {
  outline: none;
  background: #101010;
}

.contact textarea {
  min-height: 50px;
  resize: vertical;
}

.contact-text-inline {
  font-size: 14px;
  color: #fff;
}

.contact-item {
  width: 100%;
  margin-top: 30px;
}

.contact-item-title {
  font-size: 14px;
  padding-left: 10px;
  margin-bottom: 10px;
}

.contact-item-title-inline {
  font-size: 14px;
  vertical-align: super;
}

.contact-footer {
  text-align: left;
  margin-top: 40px;
}

.contact-footer-text {
  font-size: 14px;
}

.contact-privacy {
  position: relative;
  height: 14px;
  width: 14px;
  display: inline-block;
  vertical-align: middle;
  font-size: 14px;
}

.contact-privacy-part {
  display: inline-block;
  height: 14px;
  width: 14px;
  background: #e4dada;
  position: absolute;
  top: 0;
  left: 0;
  -webkit-transition: all .2s;
  transition: all .2s;
  border: 1px solid #fff;
}

.contact-privacy-input {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}

.contact-privacy-input:checked + .contact-privacy-part {
  width: 10px;
  border-top: 0;
  border-left: 0;
  background: transparent;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
  top: -5px;
  left: 5px;
  color: #fff;
}

.contact-privacy-input:focus + .contact-privacy-part {
  outline: none;
}

.contact-privacy-input:checked:focus + .contact-privacy-part {
  outline: none;
}

#js-submit {
  padding: 10px 30px;
  background: #232323;
  color: #fff;
  border-radius: 5px;
  width: 100%;
}

#js-submit:hover {
  background: #707070;
}

.contact-privacy-link {
  text-decoration: underline;
  color: #fff;
  line-height: 15px;
  font-size: 14px;
}

.contact-footer-submit {
  margin-top: 46px;
  font-size: 14px;
  width: 100%;
  display: block;
}

.contact-message {
  text-align: center;
  margin-top: 60px;
  display: none;
}

.contact-message.-error {
  color: #f00;
}

.contact-to {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: distribute;
      justify-content: space-around;
  color: #fff;
}

@media screen and (max-width: 700px) {
  .contact-to {
    display: block;
    width: 90%;
    margin-right: auto;
    margin-left: auto;
  }
}

.contact-to .title {
  font-size: 12px;
  margin-bottom: 10px;
}

@media screen and (max-width: 700px) {
  .contact-to .device {
    margin-bottom: 20px;
  }
}

.contact-to .device a {
  color: #fff;
}

@media screen and (max-width: 700px) {
  .contact-to .sns {
    margin-bottom: 20px;
  }
}

.contact-to .sns img {
  width: 30px;
  height: 30px;
}

.contact-to .copyright {
  font-size: 12px;
}

@media screen and (max-width: 700px) {
  .contact-to .copyright {
    margin-bottom: 20px;
  }
}