:root {
  color-scheme: light;
  --page: #f4f6f8;
  --surface: #ffffff;
  --surface-soft: #edf2f7;
  --ink: #191f28;
  --ink-strong: #0b1b36;
  --muted: #566170;
  --subtle: #7b8591;
  --line: #dfe4e9;
  --blue: #0064ff;
  --blue-soft: #eaf2ff;
  --yellow: #f6c344;
  --radius-sm: 16px;
  --radius-md: 24px;
  --radius-lg: 32px;
  --font:
    Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR",
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--page);
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  font-family: var(--font);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
}

a {
  color: inherit;
}

a:focus-visible {
  border-radius: 8px;
  outline: 3px solid rgb(0 100 255 / 28%);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  background: #0b1b36;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-160%);
}

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

.info-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  min-height: 68px;
  padding: 10px max(18px, calc((100vw - 1040px) / 2));
  border-bottom: 1px solid rgb(223 228 233 / 86%);
  background: rgb(244 246 248 / 88%);
  backdrop-filter: blur(18px);
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.info-brand {
  display: inline-flex;
  color: var(--ink-strong);
  font-size: 16px;
  font-weight: 850;
  letter-spacing: -0.045em;
  text-decoration: none;
  align-items: center;
  gap: 9px;
}

.info-brand img {
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 6px 10px rgb(106 79 0 / 16%));
}

.info-nav {
  display: flex;
  align-items: center;
  gap: 8px 18px;
}

.info-nav a {
  color: #4e5968;
  font-size: 13px;
  font-weight: 720;
  text-decoration: none;
}

.info-nav a:hover,
.info-nav a[aria-current="page"] {
  color: var(--blue);
}

.info-nav .play-link {
  padding: 10px 14px;
  border-radius: 12px;
  background: #0b1b36;
  color: #fff;
}

.info-main {
  width: min(calc(100% - 36px), 1040px);
  margin: 0 auto;
  padding: 68px 0 100px;
}

.info-hero {
  position: relative;
  padding: 42px 0 50px;
}

.info-hero::after {
  position: absolute;
  z-index: -1;
  top: -100px;
  right: -20px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(246 195 68 / 24%), transparent 68%);
  content: "";
  pointer-events: none;
}

.info-eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.02em;
}

.info-hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--ink-strong);
  font-size: clamp(38px, 8vw, 68px);
  font-weight: 880;
  letter-spacing: -0.07em;
  line-height: 1.06;
}

.info-hero > p:not(.info-eyebrow) {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 17px;
  font-weight: 520;
  letter-spacing: -0.025em;
  line-height: 1.76;
}

.hero-actions {
  display: flex;
  margin-top: 28px;
  flex-wrap: wrap;
  gap: 10px;
}

.button-link {
  display: inline-flex;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  background: var(--blue);
  color: #fff;
  font-size: 14px;
  font-weight: 820;
  text-decoration: none;
  align-items: center;
  justify-content: center;
}

.button-link.secondary {
  background: var(--blue-soft);
  color: #0054d6;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.info-card,
.prose,
.contact-card,
.not-found-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgb(255 255 255 / 92%);
  box-shadow: 0 18px 50px rgb(22 41 71 / 6%);
}

.info-card {
  padding: 26px;
}

.info-card span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
}

.info-card h2,
.info-card h3 {
  margin: 14px 0 10px;
  color: var(--ink-strong);
  font-size: 23px;
  letter-spacing: -0.045em;
}

.info-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.68;
}

.prose {
  padding: clamp(26px, 5vw, 56px);
}

.prose section + section {
  margin-top: 54px;
  padding-top: 50px;
  border-top: 1px solid var(--line);
}

.prose h2 {
  margin: 0 0 18px;
  color: var(--ink-strong);
  font-size: clamp(25px, 4.2vw, 34px);
  font-weight: 850;
  letter-spacing: -0.055em;
}

.prose h3 {
  margin: 30px 0 12px;
  color: #243247;
  font-size: 19px;
  letter-spacing: -0.035em;
}

.prose p,
.prose li {
  color: #4e5968;
  font-size: 15px;
  letter-spacing: -0.018em;
  line-height: 1.82;
}

.prose p {
  margin: 12px 0;
}

.prose ul,
.prose ol {
  margin: 14px 0 0;
  padding-left: 22px;
}

.prose li + li {
  margin-top: 8px;
}

.prose a {
  color: #005bdc;
  font-weight: 720;
  text-underline-offset: 3px;
}

.step-list {
  display: grid;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  gap: 12px;
}

.step-list li {
  display: grid;
  padding: 20px;
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  grid-template-columns: 36px 1fr;
  align-items: start;
  gap: 12px;
}

.step-list b {
  display: grid;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #fff;
  color: var(--blue);
  font-size: 13px;
  place-items: center;
}

.step-list strong {
  display: block;
  margin-bottom: 3px;
  color: var(--ink-strong);
}

.table-wrap {
  margin-top: 20px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  min-width: 130px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
  color: #4e5968;
  font-size: 14px;
  line-height: 1.55;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f5f7f9;
  color: #263548;
  font-weight: 820;
}

tr:last-child td {
  border-bottom: 0;
}

.callout {
  margin: 24px 0 0;
  padding: 20px 22px;
  border-radius: var(--radius-sm);
  background: #fff6d9;
  color: #615020;
  font-size: 14px;
  line-height: 1.68;
}

.callout strong {
  color: #4e3d0b;
}

.callout.blue {
  background: var(--blue-soft);
  color: #28496f;
}

.faq-list details {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.faq-list details:first-child {
  border-top: 1px solid var(--line);
}

.faq-list summary {
  color: var(--ink-strong);
  font-size: 16px;
  font-weight: 820;
  cursor: pointer;
}

.faq-list details p {
  margin-bottom: 0;
}

.contact-card {
  display: grid;
  padding: clamp(28px, 6vw, 56px);
  gap: 20px;
}

.contact-card a {
  width: fit-content;
  color: var(--blue);
  font-size: clamp(22px, 6vw, 38px);
  font-weight: 850;
  letter-spacing: -0.045em;
  overflow-wrap: anywhere;
}

.contact-card p {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.info-footer {
  padding: 38px max(18px, calc((100vw - 1040px) / 2));
  border-top: 1px solid var(--line);
  background: #e9edf2;
}

.info-footer > div {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
}

.info-footer strong {
  color: var(--ink);
  font-size: 14px;
}

.info-footer p {
  margin: 7px 0 0;
  color: var(--subtle);
  font-size: 12px;
}

.info-footer nav {
  display: flex;
  max-width: 440px;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.info-footer nav a {
  color: #4e5968;
  font-size: 12px;
  font-weight: 720;
  text-decoration: none;
}

.info-footer small {
  display: block;
  margin-top: 24px;
  color: #7b8591;
  font-size: 11px;
}

.not-found-main {
  display: grid;
  min-height: calc(100dvh - 68px);
  padding: 28px 18px;
  place-items: center;
}

.not-found-card {
  width: min(100%, 620px);
  padding: clamp(34px, 8vw, 68px);
  text-align: center;
}

.not-found-card img {
  width: 96px;
  height: 96px;
  filter: grayscale(0.18) drop-shadow(0 16px 20px rgb(106 79 0 / 14%));
}

.not-found-card span {
  display: block;
  margin-top: 20px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
}

.not-found-card h1 {
  margin: 12px 0;
  color: var(--ink-strong);
  font-size: clamp(34px, 8vw, 56px);
  letter-spacing: -0.065em;
}

.not-found-card p {
  margin: 0 auto 26px;
  color: var(--muted);
  line-height: 1.7;
}

@media (min-width: 760px) {
  .info-main {
    padding-top: 92px;
  }

  .info-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 680px) {
  .info-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .info-nav {
    width: 100%;
    padding-bottom: 2px;
    overflow-x: auto;
  }

  .info-nav a {
    white-space: nowrap;
  }

  .info-nav .play-link {
    margin-left: auto;
  }

  .info-footer > div {
    flex-direction: column;
  }

  .info-footer nav {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}