body {
  background-color: #fafafa;
  font-family: "Roboto", sans-serif;
}
.header-box {
  display: flex;
  justify-content: space-between;
}
.title {
  padding: 20px 0 0 30px;
}
.header-list__box {
  display: flex;
  align-items: start;
  padding-right: 10px;
}
.header-list {
  padding: 40px 40px 0 0;
  font-size: 2rem;
  font-weight: 300;
}
.nav {
  display: none;
}
@media (max-width: 850px) {
  .header-list__box {
    display: none;
  }
  .title {
    width: fit-content;
    padding: 20px 0 0 10px;
  }
  .title img {
    width: 50%;
  }
  .open-btn {
    display: block;
    position: absolute;
    right: 20px;
    top: 15px;
    width: 40px;
    height: 30px;
    cursor: pointer;
  }
  .open-btn span,
  .open-btn span::before,
  .open-btn span::after {
    position: absolute;
    height: 1px;
    width: 40px;
    background-color: #f87602;
    display: block;
    content: "";
  }
  .open-btn span::before {
    bottom: -8px;
    background-color: #000;
  }
  .open-btn span::after {
    bottom: -16px;
    background-color: #000;
  }
  .close-btn {
    display: block;
    position: absolute;
    top: 20px;
    right: 20px;
    width: 30px;
    height: 20px;
    cursor: pointer;
  }
  .close-btn span,
  .close-btn span::before {
    position: absolute;
    height: 1px;
    width: 30px;
    background-color: #f87602;
    display: block;
    content: "";
    transform: rotate(115deg);
  }
  .close-btn span::before {
    transform: rotate(125deg);
    background-color: #000;
  }
  .nav {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    width: 100vw;
    height: 100vh;
    background-color: #fafafa;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    z-index: 3000;
  }
  .nav.active {
    transform: translateX(0);
  }
  .nav-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .nav-title {
    padding: 20px 0 0 20px;
  }
  .nav-title img {
    width: 40%;
    height: auto;
    object-fit: cover;
  }
  .nav-list__box {
    padding-top: 150px;
    text-align: center;
  }
  .nav-list__box li {
    font-size: 2rem;
    font-weight: 400;
    padding-bottom: 60px;
    color: #f87602;
  }
  .nav-text {
    padding-top: 150px;
    font-size: 2.4rem;
    font-weight: 400;
    text-align: center;
  }
  .nav__btn-box {
    display: flex;
    justify-content: space-between;
    padding: 70px 100px 0;
  }
  .nav-btn1,
  .nav-btn2 {
    background-color: #f34302;
    padding: 20px 30px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    border-radius: 10px;
  }
  .nav-btn2 {
    background-color: #f87602;
    padding: 20px 40px;
  }
  .nav__btn-text {
    font-size: 1.6rem;
    font-weight: 300x;
    color: #fff;
  }
}
@media (max-width: 500px) {
  .nav__btn-box {
    padding: 40px 20px 0;
  }
}
.kv {
  position: relative;
  width: 100%;
  min-height: calc(100vh - 100px);
}
.kv-copy {
  position: absolute;
  top: 30%;
  left: 3%;
  height: auto;
  z-index: 100;
}
.kv-slide {
  position: absolute;
  top: 20%;
  right: 0;
  opacity: 0;
  transition: opacity 3s ease-in-out;
}
.kv-slide.active {
  opacity: 1;
}
@media (max-width: 850px) {
  .kv-copy {
    top: 15%;
  }
  .kv-copy img {
    width: 90%;
  }
  .kv-slide {
    top: 50%;
  }
}
@media (max-width: 500px) {
  .kv-copy {
    top: 10%;
    left: 20%;
  }
  .kv-copy img {
    width: 70%;
  }
  .kv-slide {
    top: 50%;
    right: 0%;
    width: 80%;
  }
  .kv-slide img {
    width: 90%;
  }
}