:root {
  --bg: #f8fafc;
  --panel: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --line: #d7dbe4;
  --accent: #1f6feb;
  --accent-soft: #eaf2ff;
  --cp-bg-base: #f8f2ea;
  --cp-bg-glow: #f1e4d2;
  --cp-border: #b09473;
  --cp-shadow: rgba(72, 50, 30, 0.17);
  --cp-text: #3a2918;
  --cp-text-glow: rgba(186, 131, 72, 0.2);
  --cp-link-bg: #f4e4d0;
  --cp-link-border: #be9464;
  --cp-link-text: #5a3b1f;
  --cp-cta-bg: #8a3f33;
  --cp-cta-border: #ad5b4d;
  --cp-cta-text: #fff3ea;
  --cp-cta-shadow: rgba(98, 45, 33, 0.3);
}

html[data-theme="dark"] {
  --bg: #0b0b0f;
  --panel: #11131a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --line: #24262d;
  --accent: #c9a24d;
  --accent-soft: #1a1920;
  --cp-bg-base: #16171d;
  --cp-bg-glow: #3b2f21;
  --cp-border: #9a7942;
  --cp-shadow: rgba(0, 0, 0, 0.48);
  --cp-text: #f0e7d5;
  --cp-text-glow: rgba(201, 162, 77, 0.3);
  --cp-link-bg: #2b241b;
  --cp-link-border: #bc9150;
  --cp-link-text: #ebcf98;
  --cp-cta-bg: #d1ab6a;
  --cp-cta-border: #e2c38c;
  --cp-cta-text: #18120a;
  --cp-cta-shadow: rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 24px 18px 84px;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", Arial, sans-serif;
  line-height: 1.72;
}

.shell {
  max-width: 920px;
  margin: 0 auto;
}

.docNav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.backLink {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  background: var(--panel);
}

.backLink:hover {
  text-decoration: underline;
}

.docMeta {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

main {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 18px;
}

h1 {
  margin: 0 0 12px;
  font-size: 33px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  word-break: keep-all;
}

.guideDoc .guideTitle {
  margin: 0 0 14px;
  line-height: 1.24;
  letter-spacing: -0.012em;
  word-break: keep-all;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

.h1Sub {
  display: block;
  margin-top: 6px;
  margin-left: 10px;
  font-size: 0.66em;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0;
}

h2 {
  margin: 26px 0 8px;
  font-size: 24px;
  line-height: 1.32;
  border-bottom: 2px solid var(--line);
  padding-bottom: 6px;
}

h3 {
  margin: 18px 0 8px;
  font-size: 20px;
  line-height: 1.4;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 0 0 14px;
  padding-left: 20px;
}

li {
  margin-bottom: 6px;
}

.faqAnswer {
  padding-left: 10px;
  text-indent: 0.7em;
}

.faqQuestion {
  padding-left: 10px;
}

.highlight {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 16px;
}

.note {
  color: var(--muted);
  border-left: 3px solid var(--line);
  background: color-mix(in srgb, var(--panel) 84%, var(--text) 4%);
  border-radius: 8px;
  padding: 11px 12px;
  margin: 16px 0;
}

.catchphrase {
  margin-top: 22px;
  padding: 26px 22px 28px;
  border: 1px solid var(--cp-border);
  border-radius: 18px;
  text-align: center;
  background:
    radial-gradient(circle at 14% 18%, var(--cp-bg-glow), transparent 34%),
    radial-gradient(circle at 85% 80%, color-mix(in srgb, var(--cp-bg-glow) 78%, transparent), transparent 42%),
    var(--cp-bg-base);
  box-shadow:
    0 16px 34px var(--cp-shadow),
    inset 0 0 0 1px color-mix(in srgb, var(--cp-border) 32%, transparent);
  position: relative;
  overflow: visible;
}

.catchphraseText {
  margin: 0 0 14px;
  color: var(--cp-text);
  font-size: clamp(25px, 3.6vw, 36px);
  line-height: 1.34;
  font-weight: 900;
  letter-spacing: -0.03em;
  text-wrap: balance;
  text-shadow: 0 2px 16px var(--cp-text-glow);
}

.catchphraseLink {
  display: inline-block;
  position: relative;
  box-sizing: border-box;
  vertical-align: middle;
  border: 1px solid var(--cp-cta-border);
  border-radius: 999px;
  padding: 10px 19px;
  line-height: 1.2;
  background: var(--cp-cta-bg);
  color: var(--cp-cta-text);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-decoration: none;
  text-shadow: 0 1px 0 color-mix(in srgb, #000000 18%, transparent);
  box-shadow:
    0 2px 0 color-mix(in srgb, #ffffff 16%, transparent),
    0 8px 18px var(--cp-cta-shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.catchphraseLink::after {
  content: "→";
  margin-left: 8px;
  font-weight: 900;
  opacity: 0.9;
  transition: transform 0.18s ease;
}

.catchphraseLink:hover {
  text-decoration: none;
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--cp-cta-border) 88%, #ffffff 12%);
  box-shadow:
    0 2px 0 color-mix(in srgb, #ffffff 20%, transparent),
    0 12px 24px color-mix(in srgb, var(--cp-cta-shadow) 82%, transparent);
}

.catchphraseLink:hover::after {
  transform: translateX(2px);
}

.guideDoc {
  max-width: 840px;
  margin: 0 auto;
  padding-inline: clamp(20px, 3.2vw, 24px);
}

.guideDoc p {
  margin: 0 0 14px;
  line-height: 1.66;
}

.guideDoc ul,
.guideDoc ol {
  margin: 0 0 26px;
}

.guideDoc .highlight {
  line-height: 1.7;
}

.guideDoc .numbered-section {
  margin-top: 36px;
  margin-bottom: 16px;
  border-bottom: 0;
  padding-bottom: 0;
  font-weight: 800;
  line-height: 1.38;
  color: color-mix(in srgb, var(--text) 94%, var(--accent) 6%);
}

.guideDoc .section-content {
  padding-left: 18px;
}

.guideDoc .faqQuestion,
.guideDoc .faqAnswer {
  padding-left: 0;
  text-indent: 0;
  line-height: 1.66;
  margin-bottom: 14px;
}

.guideHub {
  margin: 18px 0 12px;
  padding: 14px 14px 10px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent-soft) 58%, var(--panel) 42%);
}

.guideHubTitle {
  display: inline-block;
  margin: 0 0 10px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 16%, var(--panel) 84%);
}

.guideHubList {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.guideHubItem {
  margin: 0 0 8px;
  font-size: 16px;
}

.guideHubTag {
  display: inline-block;
  min-width: 72px;
  color: var(--muted);
  font-weight: 700;
}

.guideHub a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.guideHub a:hover {
  text-decoration: underline;
}

.guideCurrent {
  color: var(--text);
  font-weight: 700;
}

.inlineLink {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}

.inlineLink:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.videoEmbed {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  margin-top: 10px;
}

.videoEmbed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 12px;
}

.contactMail {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.contactMail a {
  color: var(--accent);
  text-decoration: none;
}

.contactMail a:hover {
  text-decoration: underline;
}

.docFooter {
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
  text-align: right;
}

.docFooter a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.docFooter a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  body {
    padding: 18px 14px 78px;
    word-break: keep-all;
    overflow-wrap: normal;
    line-break: strict;
  }

  .docNav {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .docMeta {
    white-space: normal;
  }

  h1 {
    font-size: 29px;
  }

  .guideDoc .guideTitle {
    line-height: 1.28;
    word-break: keep-all;
    overflow-wrap: normal;
  }

  h2 {
    font-size: 21px;
  }

  h3 {
    font-size: 19px;
  }

  p,
  li {
    font-size: 17px;
  }

  .contactMail {
    font-size: 19px;
  }

  .guideDoc {
    max-width: 700px;
    margin: 0 auto;
    padding-inline: 20px;
  }

  .guideDoc p {
    line-height: 1.68;
  }

  .guideDoc .highlight {
    line-height: 1.72;
  }

  .guideDoc .numbered-section {
    color: color-mix(in srgb, var(--text) 92%, var(--accent) 8%);
  }

  .catchphrase {
    padding: 18px 14px 16px;
    border-radius: 12px;
  }

  .catchphraseText {
    font-size: clamp(20px, 7.2vw, 26px);
    line-height: 1.4;
    margin-bottom: 12px;
  }

  main {
    padding: 16px 14px;
  }
}