html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  font-size: 0.875rem;
  line-height: 1.5;
  font-family: "Noto Sans JP", sans-serif;
  color: #121212;
  display: flex;
}

img {
  max-width: 100%;
}

.wrapper {
  max-width: 1080px;
  width: 100%;
  margin: 0 auto;
  padding: 80px 4%;
  background: transparent;
}

.contact {
  padding-bottom: 160px;
}

.logo {
  width: 180px;
}

.mb-logo {
  margin-left: 10px;
}

a:hover {
  opacity: 0.7;
}

.container {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.sidebar {
  width: 300px;
  background: #fff;
  box-shadow: 8px 0px 7px -8px #777;
  position: relative;
  z-index: 80;
}

.main-content {
  flex: 1;
  background: transparent;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.ttl {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.75rem;
  margin-bottom: 56px;
}
.ttl::before, .ttl::after {
  content: "";
  width: 28%;
  border-top: 1px solid;
  display: block;
}

.project-ttl {
  text-shadow: #121212 1px 2px 10px;
}

.header-wrapper {
  display: flex;
  flex-direction: column;
  padding: 20px 30px 0;
  width: 300px;
  height: 100%;
  background-color: #fff;
  box-shadow: 8px 0px 7px -8px #777;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  transition: 0.5s;
}
.header-wrapper a img {
  margin-bottom: 30px;
}

.menu {
  margin-bottom: 40px;
}
.menu li {
  line-height: 3;
  border-bottom: 1px solid #121212;
}
.menu li a {
  width: 100%;
  display: block;
  cursor: pointer;
}

.sns li {
  line-height: 2;
}
.sns li a {
  width: 100%;
  display: block;
  cursor: pointer;
}

.video-area {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

.bg-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  -o-object-fit: cover;
     object-fit: cover;
  z-index: -1;
  pointer-events: none;
}

@media screen and (max-width: 960px) {
  .bg-video {
    top: 80px;
    -o-object-fit: cover;
       object-fit: cover;
  }
  .video-area {
    height: calc(100vh - 80px);
  }
}
.project {
  background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.7));
  color: #fff;
}

.project-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  -moz-column-gap: 47px;
       column-gap: 47px;
  row-gap: 47px;
}
.project-content li {
  border: 2px solid #fff;
  box-shadow: 0 2px 7px black;
  transition: 0.5s;
  border-radius: 2px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(5px);
}
.project-content li:hover {
  transform: scale(1.05);
}
.project-content li a:hover {
  opacity: 1;
}

.project-number {
  color: #fff;
  background-color: rgba(0, 0, 0, 0.8);
  width: 100%;
  padding-left: 2%;
  font-size: 0.75rem;
}

.feature {
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
}

.feature-flex {
  display: flex;
  justify-content: space-between;
  text-align: center;
  -moz-column-gap: 16px;
       column-gap: 16px;
}
.feature-flex li a {
  color: #fff;
  width: 100%;
  border: 1px solid #fff;
  padding: calc(50% - 11px) 0;
  border-radius: 50%;
  display: block;
  margin-bottom: 15px;
  position: relative;
  overflow: hidden;
}
.feature-flex li a::before {
  content: "";
  width: 100%;
  height: 100%;
  background-color: #fff;
  position: absolute;
  top: 0;
  left: -100%;
  opacity: 0.3;
  transition: 0.5s;
}
.feature-flex li a:hover::before {
  left: 0;
}

.flow {
  background-color: #fff;
  position: relative;
  z-index: 1;
}

.flow-sub-title,
.contact-sub-title {
  font-size: 1rem;
  margin-bottom: 56px;
}

.flow-flex {
  display: flex;
  justify-content: space-between;
}

.step {
  width: 25%;
}
.step ol {
  text-align: center;
}
.step ol li {
  background-color: #414141;
  padding: 32px 0;
  margin-bottom: 32px;
  color: #fff;
  position: relative;
}
.step ol li:not(:last-child)::before {
  content: "";
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 14px 0 14px 16px;
  border-color: transparent transparent transparent #f3e729;
  position: absolute;
  top: 120%;
  left: 49%;
  bottom: 0;
  margin: auto;
  transform: rotate(90deg);
}

.flow-discription {
  width: 60%;
}
.flow-discription dt {
  font-size: 1.25rem;
  border-bottom: 1px solid #414141;
  padding-bottom: 8px;
  margin-bottom: 10px;
  position: relative;
  opacity: 0;
  transform: translateY(5px);
  transition: 0.5s;
}
.flow-discription dt span {
  display: inline-block;
  width: 35px;
  height: 35px;
  line-height: 35px;
  background-color: #414141;
  border-radius: 50%;
  margin-right: 10px;
  text-align: center;
  color: #fff;
  position: absolute;
  bottom: 0;
  left: -45px;
}
.flow-discription dd {
  opacity: 0;
  transform: translate(5px);
  transition: 0.5;
}
.flow-discription dd:not(:last-child) {
  margin-bottom: 48px;
}

.contact {
  background-color: #fff;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  -moz-column-gap: 4%;
       column-gap: 4%;
}
.contact-content li {
  opacity: 0;
  transform: translateY(7px);
  transition: 0.5s;
}
.contact-content li a {
  border: 1px solid #121212;
  text-align: center;
  padding: 60px 15px;
  display: block;
  box-shadow: 0 2px 5px #121212;
  transition: 0.2s;
  border-radius: 3px;
}
.contact-content li a:hover {
  transform: translateY(3px);
  box-shadow: none;
}

.footer {
  background-color: #121212;
  color: #fff;
}
.footer .wrapper {
  padding-bottom: 20px;
}

.footer-nav {
  display: flex;
  justify-content: center;
  margin-bottom: 56px;
  flex-wrap: wrap;
  row-gap: 16px;
}
.footer-nav li {
  border-right: 1px solid #fff;
  padding: 0 20px;
}
.footer-nav li:last-child {
  border: none;
}

.copyright {
  text-align: center;
}

.btn-to-top {
  position: fixed;
  top: 63%;
  right: 3%;
  bottom: 20px;
  height: 50px;
  text-decoration: none;
  font-weight: bold;
  transform: rotate(90deg);
  font-size: 100%;
  line-height: 1.5rem;
  color: #414141;
  padding: 0 0 0 35px;
  border-top: solid 3px;
  display: none;
}

.btn-to-top::before {
  content: "";
  display: block;
  position: absolute;
  top: -3px;
  left: 0px;
  width: 18px;
  border-top: solid 3px;
  transform: rotate(33deg);
  transform-origin: left top;
}

.btn-to-top.active {
  display: block;
}

@media screen and (max-width: 960px) {
  .container {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    box-shadow: none;
  }
  .wrapper {
    padding: 40px 4%;
  }
  .ttl {
    font-size: 1.25rem;
    margin-bottom: 30px;
  }
  .ttl::before, .ttl::after {
    content: "";
    width: 19%;
  }
  .flow-sub-title,
  .contact-sub-title {
    margin-bottom: 30px;
  }
  .container {
    margin-left: 0;
    margin-top: 20%;
  }
  .header {
    width: 100%;
    height: 80px;
    background-color: #ffffff;
  }
  .header-wrapper {
    left: -300px;
    transition: 0.5s;
    opacity: 0;
    visibility: hidden;
  }
  .open .header-wrapper {
    left: 0;
    opacity: 1;
    visibility: visible;
  }
  .hamburger {
    width: 50px;
    height: 50px;
    border-radius: 100px;
    background-color: #414141;
    position: fixed;
    top: 16px;
    right: 20px;
    z-index: 60;
    cursor: pointer;
  }
  .hamburger span {
    width: 30px;
    height: 2px;
    background-color: #fff;
    position: absolute;
    top: 13px;
    left: 10px;
    transition: 0.5s;
  }
  .hamburger span:nth-child(2) {
    top: 23px;
  }
  .hamburger span:nth-child(3) {
    top: 33px;
  }
  .open .hamburger span:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
  }
  .open .hamburger span:nth-child(2) {
    opacity: 0;
  }
  .open .hamburger span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
  }
  .mask {
    width: 100%;
    height: 100vh;
    background-color: rgba(11, 11, 11, 0.8);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 50;
    display: none;
  }
  .open .mask {
    display: block;
  }
  .bg-video {
    height: 100vh;
    max-width: 100%;
    top: -300px;
    margin-top: 0;
  }
  .project {
    margin-top: 120px;
  }
  .project-content {
    grid-template-columns: auto;
    -moz-column-gap: 0;
         column-gap: 0;
    row-gap: 32px;
  }
  .flow-flex {
    flex-direction: column;
  }
  .step {
    width: 100%;
    margin-bottom: 40px;
  }
  .flow-discription {
    margin-left: 50px;
    width: 80%;
  }
  .contact {
    padding-bottom: 80px;
  }
  .contact-content {
    grid-template-columns: auto;
    row-gap: 4%;
    -moz-column-gap: 0;
         column-gap: 0;
  }
}/*# sourceMappingURL=style.css.map */