:root {
  --max-width:1600px;
  --header-height:70px;
}

*::-webkit-scrollbar {
  width: 0px;
  height: 0px;
}

html, body {
  margin: 0;
  display: inline-flex;
  flex-direction: column;
  min-height: 100vh;
  user-select: none;
}

header {
  padding: 0 10px;
  box-sizing: border-box;
  position: relative;
  width: 100%;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.201);
  backdrop-filter: blur(10px);
  display: grid;
  grid-template-columns: 120px 1fr 120px;
  align-items: center;
}
header .menu-wraper {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: 10px;
}
header .menu-wraper .menu1 {
  color: black;
  font-size: 1.3rem;
  cursor: pointer;
}
header .logo {
  background: url("../contents/logos/logo_001_w.jpg") no-repeat center/160px, white;
  width: 160px;
  height: var(--header-height);
  cursor: pointer;
}

footer {
  padding: 20px;
  box-sizing: border-box;
  width: 100%;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  flex-direction: column;
  user-select: none;
  filter: invert(1);
}

.body-container {
  width: 100%;
  display: inline-flex;
  flex-direction: column;
  box-sizing: border-box;
  gap: 10px;
  padding: 0px;
  height: 100%;
}

.body-contents {
  padding: 10px;
  box-sizing: border-box;
}

.main-banner {
  height: 50vh;
  width: 100%;
  background: url("https://i.dell.com/is/image/DellContent/content/dam/ss2/page-specific/dell-com-landing-page/computer-vision/gettyimages-1354126692-2180x839.png?fmt=jpg&wid=2180&hei=839") no-repeat right/100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: white;
  font-weight: bold;
}
.main-banner h1 {
  background: linear-gradient(268deg, rgba(44, 8, 2, 0.098), rgb(0, 0, 0), rgba(14, 4, 54, 0.979));
  width: 100%;
  font-size: 1.8rem;
  height: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-shadow: 0 0 2px black;
  white-space: pre-line;
  text-align: center;
  margin: 0;
  color: #cecece;
}

.body-banner-container {
  width: 100%;
  box-sizing: border-box;
  padding: 0;
  display: inline-flex;
  padding: 50px 10px;
  box-shadow: 0 0 28px rgba(0, 0, 0, 0.1098039216);
  border-radius: 20px;
  margin-bottom: 30px;
}
.body-banner-container .banner-wording {
  width: 0%;
  padding: 0px;
  box-sizing: border-box;
  overflow: hidden;
  white-space: nowrap;
  display: flex;
  flex-direction: column;
  animation: show-in 2s cubic-bezier(0.445, 0.05, 0.55, 0.95) 1s forwards normal;
}
.body-banner-container .banner-wording h1 {
  margin: 5px 0;
  font-size: 1.3rem;
}
.body-banner-container .banner-wording span {
  animation: pre-line 1.5s cubic-bezier(0.445, 0.05, 0.55, 0.95) 1.5s forwards normal;
}
@keyframes pre-line {
  from {
    white-space: nowrap;
  }
  to {
    white-space: normal;
  }
}
.body-banner-container .banner-item {
  width: 70%;
  height: 20vh;
  background: url("https://www.dsng.co.kr/src/img/in_prod4.jpg") no-repeat center/cover;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  overflow: hidden;
  border-radius: 0px;
  animation: round 1.5s cubic-bezier(0.445, 0.05, 0.55, 0.95) 1.5s forwards normal;
  transition: all 0.85s;
}
.body-banner-container .banner-item.emc {
  background: url("https://i.dell.com/is/image/DellContent/content/dam/ss2/page-specific/dell-com-landing-page/computer-vision/gettyimages-1354126692-2180x839.png?fmt=jpg&wid=2180&hei=839") no-repeat center/cover;
}
.body-banner-container .banner-item.Supermicro {
  background: url("https://i.dell.com/is/image/DellContent/content/dam/ss2/page-specific/dell-com-landing-page/computer-vision/adobestock-408552427-900x450.png?fmt=png-alpha&wid=800&hei=400") no-repeat center/cover;
}
.body-banner-container .banner-item.nix {
  background: url("https://www.dsng.co.kr/src/img/in_prod3.jpg") no-repeat center/cover;
}
.body-banner-container .banner-item h1 {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.0901960784);
  backdrop-filter: blur(0px) saturate(0.5);
  text-shadow: 1px 1px 1px black;
}
@keyframes round {
  from {
    border-radius: 0px;
  }
  to {
    border-radius: 80px;
  }
}
@keyframes show-in {
  from {
    padding: 0;
    width: 0%;
  }
  to {
    padding: 10px;
    width: 80%;
  }
}

.center-content {
  width: var(--max-width);
}

.content-box {
  height: 100px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.header-menu-box {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

.f-row {
  display: inline-flex;
  flex-direction: row !important;
}

.row-content {
  display: inline-flex;
  flex-direction: row;
  gap: 10px;
}

@media (max-width: 900px) {
  html, body {
    height: auto;
  }
  .main-banner h1 {
    font-size: 1.4rem;
  }
  .body-banner-container {
    flex-direction: column !important;
  }
  .body-banner-container .banner-item {
    width: 100%;
  }
  header .header-menu-box {
    display: none;
  }
  .body-banner-container .banner-item {
    order: 1;
  }
  .body-banner-container .banner-wording {
    order: 2;
    position: relative;
  }
  .main-banner {
    background-size: cover;
  }
  footer {
    font-size: 0.9rem;
  }
  @keyframes show-in {
    from {
      padding: 0;
      width: 0%;
    }
    to {
      padding: 10px;
      width: 100%;
    }
  }
  @keyframes round {
    from {
      border-radius: 0px;
    }
    to {
      border-radius: 20px;
    }
  }
}
@media (max-width: 380px) {
  .main-banner h1 {
    font-size: 1.1rem;
  }
  footer {
    font-size: 0.8rem;
  }
}