*,
*::after,
*::before {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: none;
  -moz-text-size-adjust: none;
  -ms-text-size-adjust: none;
  text-size-adjust: none;
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  width: 100%;
  height: 100vh;
  margin: 0;
  background-color: #000;
}

@font-face {
  font-family: "Pretendard";
  src: url("../assets/fonts/Pretendard-Regular.eot");
  src:
    local("str-replace(" Pretendard ", " ", " ")"),
    local("Pretendard"),
    local("str-replace(" Pretendard ", " ", "-")"),
    url("../assets/fonts/Pretendard-Regular.eot?#iefix")
      format("embedded-opentype"),
    url("../assets/fonts/Pretendard-Regular.woff") format("woff");
  font-style: "Regular";
  font-weight: 400;
}
@font-face {
  font-family: "Pretendard";
  src: url("../assets/fonts/Pretendard-Medium.eot");
  src:
    local("str-replace(" Pretendard ", " ", " ")"),
    local("Pretendard"),
    local("str-replace(" Pretendard ", " ", "-")"),
    url("../assets/fonts/Pretendard-Medium.eot?#iefix")
      format("embedded-opentype"),
    url("../assets/fonts/Pretendard-Medium.woff") format("woff");
  font-style: "Medium";
  font-weight: 500;
}
@font-face {
  font-family: "Pretendard";
  src: url("../assets/fonts/Pretendard-SemiBold.eot");
  src:
    local("str-replace(" Pretendard ", " ", " ")"),
    local("Pretendard"),
    local("str-replace(" Pretendard ", " ", "-")"),
    url("../assets/fonts/Pretendard-SemiBold.eot?#iefix")
      format("embedded-opentype"),
    url("../assets/fonts/Pretendard-SemiBold.woff") format("woff");
  font-style: "SemiBold";
  font-weight: 600;
}
@font-face {
  font-family: "Pretendard";
  src: url("../assets/fonts/Pretendard-Bold.eot");
  src:
    local("str-replace(" Pretendard ", " ", " ")"),
    local("Pretendard"),
    local("str-replace(" Pretendard ", " ", "-")"),
    url("../assets/fonts/Pretendard-Bold.eot?#iefix")
      format("embedded-opentype"),
    url("../assets/fonts/Pretendard-Bold.woff") format("woff");
  font-style: "Bold";
  font-weight: 700;
}
@font-face {
  font-family: "Pretendard";
  src: url("../assets/fonts/Pretendard-Black.eot");
  src:
    local("str-replace(" Pretendard ", " ", " ")"),
    local("Pretendard"),
    local("str-replace(" Pretendard ", " ", "-")"),
    url("../assets/fonts/Pretendard-Black.eot?#iefix")
      format("embedded-opentype"),
    url("../assets/fonts/Pretendard-Black.woff") format("woff");
  font-style: "Black";
  font-weight: 900;
}

header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  right: 0;
  padding: 24px 16px;
  z-index: 10;
  transition: background-color 200ms ease;
}

header > div {
  max-width: 1400px;
  margin: 0 auto;
}

heaer > div > a {
  background-image: url("../assets/images/img-logo.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  width: 100%;
  height: 100%;
}

header.scrolled {
  background-color: rgba(0, 0, 0, 0.7);
}

.bg-img {
  background-image: url("../assets/images/img-background-information.png");
  background-size: cover;
  background-position: top;
  background-repeat: no-repeat;
  width: 100%;
  height: 100vh;
  top: 0;
  position: absolute;
}

main {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  margin-top: 482px;
  font-family: "Pretendard";
}

section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 70px;
  border-radius: 10px;
  background-color: rgba(24, 92, 251, 0.1);
}

section > h1 {
  color: #fff;
  text-align: center;
  font-size: 60px;
  font-family: "Pretendard";
}

section > .content {
  margin-top: 70px;
  color: #fff;
}

section > .content > pre {
  margin: 0;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  font-style: normal;
  line-height: 1.25;
  letter-spacing: normal;
  text-align: left;
  color: #fff;
  font-family: "Pretendard";
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-footer {
  margin-top: 260px;
  padding: 70px 0;

  position: relative;

  font-family: Pretendard;
  font-size: 18px;
  font-weight: 500;
  font-stretch: normal;
  font-style: normal;
  line-height: 1.67;
  letter-spacing: normal;
  text-align: center;
  color: #9b9b9b;
}

/* 반응형 - 태블릿 (<= 1024px) */
@media (max-width: 1024px) {
  header {
    padding: 25px 20px;
  }

  header.scrolled {
    background-color: transparent;
  }

  header img {
    max-width: 180px;
    height: auto;
  }

  main {
    margin-top: 360px;
  }

  section {
    padding: 56px 40px;
    margin: 0 70px;
  }

  section > h1 {
    font-size: 44px;
  }

  section > .content > pre {
    font-size: 15px;
    line-height: 1.45;
  }

  .page-footer {
    margin-top: 200px;
    padding: 56px 0;
    font-size: 16px;
  }
}

/* 반응형 - 모바일 (<= 768px) */
@media (max-width: 768px) {
  header {
    padding: 25px 20px;
  }

  header img {
    max-width: 150px;
  }

  .bg-img {
    background-position: center top;
    background-image: url("../assets/images/img-m-background-img-background-information.png");
  }

  main {
    margin-top: 260px;
  }

  section {
    padding: 40px 20px;
    margin: 0 20px;
  }

  section > h1 {
    font-size: 24px;
  }

  section > .content > pre {
    font-size: 14px;
    line-height: 1.55;
  }

  .page-footer {
    margin-top: 140px;
    padding: 40px 0;
    font-size: 15px;
  }
}