:root {
  --text: #171717;
  --muted: #666;
  --line: #dedede;
  --link: #174ea6;
  --page-width: 860px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.65;
  word-break: keep-all;
}

a {
  color: var(--link);
  text-underline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 0;
  left: 12px;
  z-index: 10;
  padding: 8px 12px;
  background: var(--text);
  color: #fff;
  transform: translateY(-120%);
}

.skip-link:focus {
  transform: translateY(0);
}

header,
main,
footer {
  width: min(var(--page-width), calc(100% - 40px));
  margin-inline: auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.logo {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 22px;
}

nav a {
  color: var(--muted);
  font-size: 0.88rem;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--text);
  text-decoration: underline;
}

.intro {
  padding: 96px 0 112px;
}

.intro h1 {
  margin: 0;
  font-size: clamp(2.6rem, 7vw, 4.7rem);
  font-weight: 720;
  line-height: 1.12;
  letter-spacing: -0.055em;
}

.intro p {
  max-width: 580px;
  margin: 28px 0 16px;
  color: var(--muted);
  font-size: 1.08rem;
}

.intro > a {
  font-size: 0.95rem;
}

section:not(.intro) {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 30px;
  font-size: 1.35rem;
  letter-spacing: -0.025em;
}

.app-list,
.policy-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--text);
  list-style: none;
}

.app-list li {
  display: flex;
  min-height: 86px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.app-list strong,
.app-list span {
  display: block;
}

.app-list span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.86rem;
}

.app-list a {
  flex: 0 0 auto;
  font-size: 0.87rem;
}

.note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.business-info {
  margin: 0;
  border-top: 1px solid var(--text);
}

.business-info > div {
  display: grid;
  grid-template-columns: 140px 1fr;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.business-info dt {
  color: var(--muted);
  font-size: 0.88rem;
}

.business-info dd {
  margin: 0;
}

.policy-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.policy-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.policy-list li:nth-child(odd) {
  padding-right: 20px;
}

.policy-list a {
  color: var(--text);
  font-size: 0.92rem;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 34px 0 54px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}

footer p {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 3px;
}

@media (max-width: 620px) {
  header,
  main,
  footer {
    width: min(var(--page-width), calc(100% - 28px));
  }

  header {
    align-items: flex-start;
    gap: 20px;
  }

  nav {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px 14px;
  }

  nav a:nth-child(2) {
    display: none;
  }

  .intro {
    padding: 76px 0 88px;
  }

  section:not(.intro) {
    padding: 58px 0;
  }

  .app-list li {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .business-info > div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .business-info dd a {
    overflow-wrap: anywhere;
  }

  .policy-list {
    grid-template-columns: 1fr;
  }

  .policy-list li:nth-child(odd) {
    padding-right: 0;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}