:root {
  --ink: #15191f;
  --muted: #606a77;
  --line: #e0e4e9;
  --soft: #f3f5f7;
  --blue: #286cdf;
  --dark: #090c11;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: clip;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.72;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

header nav {
  width: min(1180px, calc(100% - 40px));
  min-height: 70px;
  margin: 0 auto;
}

header nav > div {
  min-height: inherit;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

header img {
  width: 178px;
  height: auto;
}

header nav > div > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 760;
}

main {
  width: 100%;
  padding: 56px 24px 72px;
}

main > div {
  width: min(900px, 100%);
  margin: 0 auto;
  padding: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 45px rgba(18, 28, 42, 0.06);
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

main h1 {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  font-size: 30px;
  line-height: 1.25;
}

main section + section {
  margin-top: 34px;
}

main h2 {
  margin-bottom: 13px;
  font-size: 20px;
  line-height: 1.35;
}

main h3 {
  margin: 20px 0 8px;
  font-size: 16px;
}

main p,
main li {
  color: var(--muted);
  font-size: 15px;
}

main p {
  margin-bottom: 12px;
}

main ul,
main ol {
  margin: 0;
  padding-left: 23px;
}

main li + li {
  margin-top: 7px;
}

main .mt-10 {
  margin-top: 38px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

main .mt-10 p {
  margin-bottom: 2px;
  color: #89919c;
  font-size: 12px;
}

footer {
  padding: 52px 0 28px;
  color: #ffffff;
  background: var(--dark);
}

footer > .container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

footer .grid {
  display: grid;
  grid-template-columns: 0.9fr 1.3fr 0.8fr;
  gap: 52px;
}

footer img {
  width: 178px;
  height: auto;
  margin-bottom: 18px;
}

footer h4 {
  margin-bottom: 14px;
  font-size: 15px;
}

footer p,
footer a {
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 13px;
}

footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

footer a:hover {
  color: #ffffff;
}

footer .border-t {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

footer .justify-center {
  display: flex;
  justify-content: center;
}

footer .justify-center p {
  margin: 0;
  font-size: 11px;
}

@media (max-width: 720px) {
  header nav {
    width: calc(100% - 28px);
    min-height: 64px;
  }

  header img {
    width: 142px;
  }

  header nav > div > a {
    font-size: 12px;
  }

  main {
    padding: 30px 14px 54px;
  }

  main > div {
    padding: 25px 20px;
  }

  main h1 {
    font-size: 25px;
  }

  main h2 {
    font-size: 18px;
  }

  main p,
  main li {
    font-size: 14px;
  }

  footer {
    padding-top: 40px;
  }

  footer > .container {
    width: calc(100% - 28px);
  }

  footer .grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}