.guide-page { padding-bottom: 0; }

.guide-header { border-bottom: 1px solid var(--line); }

.guide-brand {
  color: var(--ink);
  font-size: 23px;
  font-weight: 900;
  letter-spacing: -.02em;
  text-decoration: none;
}

.guide-header-actions,
.guide-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.guide-header-actions a,
.guide-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 12px;
  border: 1px solid var(--control-border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
}

.guide-header-actions a:hover,
.guide-header-actions a:focus-visible,
.guide-actions a:hover,
.guide-actions a:focus-visible {
  border-color: var(--ink);
}

.guide-intro {
  max-width: 900px;
  padding-top: 54px;
  padding-bottom: 46px;
}

.guide-intro h1 {
  max-width: 850px;
  font-size: clamp(38px, 7vw, 66px);
  line-height: 1.08;
}

.guide-lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.8;
  word-break: keep-all;
}

.guide-jump {
  display: flex;
  gap: 22px;
  margin: 0 5vw;
  padding: 16px 0;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

.guide-jump a {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
}

.guide-jump a:hover,
.guide-jump a:focus-visible { color: var(--coral-deep); }

.guide-section {
  margin: 58px 5vw 0;
  scroll-margin-top: 24px;
}

.guide-section-heading {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.guide-section-heading .starts-eyebrow { padding-top: 7px; }

.guide-section h2 {
  margin: 0;
  font-size: clamp(27px, 4vw, 38px);
  letter-spacing: -.045em;
  line-height: 1.22;
  word-break: keep-all;
}

.guide-section-heading div > p {
  max-width: 720px;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.75;
  word-break: keep-all;
}

.use-steps {
  display: grid;
  margin: 34px 0 0 178px;
  padding: 0;
  list-style: none;
}

.use-steps li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.use-steps li > span {
  color: var(--coral-deep);
  font-size: 12px;
  font-weight: 900;
}

.use-steps h3 { margin: 0; font-size: 19px; letter-spacing: -.02em; }
.use-steps p { margin: 8px 0 0; color: var(--muted); line-height: 1.7; word-break: keep-all; }

.pipeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 34px 0 0;
  padding: 0;
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.pipeline li {
  min-width: 0;
  padding: 18px 14px 22px;
  border-right: 1px solid var(--line);
}

.pipeline li:last-child { border-right: 0; }
.pipeline b { display: block; color: var(--coral-deep); font-size: 12px; }
.pipeline strong { display: block; margin-top: 11px; font-size: 17px; }
.pipeline span { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.6; word-break: keep-all; }

.plain-note {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 28px;
  margin-top: 30px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.plain-note strong { font-size: 14px; }
.plain-note p { margin: 0; color: var(--muted); line-height: 1.7; }
.guide-actions { margin: 24px 0 0 178px; }

.filter-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 34px 0 0 178px;
}

.filter-notes div {
  padding: 20px 22px 22px 0;
  border-top: 1px solid var(--line);
}

.filter-notes div:nth-child(even) { padding-right: 0; padding-left: 22px; border-left: 1px solid var(--line); }
.filter-notes dt { color: var(--coral-deep); font-size: 13px; font-weight: 900; }
.filter-notes dd { margin: 9px 0 0; color: var(--muted); line-height: 1.7; word-break: keep-all; }

.source-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 28px;
  margin: 34px 0 0 178px;
  padding: 0;
  list-style: none;
}

.source-list li { border-top: 1px solid var(--line); }
.source-list a { display: block; padding: 17px 0; color: var(--ink); font-weight: 800; line-height: 1.5; text-decoration-thickness: 1px; text-underline-offset: 4px; }

.guide-limits { padding-bottom: 68px; }
.guide-limits > ul { margin: 30px 0 0 178px; padding-left: 20px; color: var(--muted); line-height: 1.8; }
.guide-limits li + li { margin-top: 7px; }
.guide-last-action { margin: 26px 0 0 178px; }
.guide-last-action a { color: var(--ink); font-size: 16px; font-weight: 900; text-underline-offset: 5px; }

.guide-page + .privacy-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
}

@media (max-width: 720px) {
  .guide-brand { font-size: 21px; }
  .guide-header-actions a { min-height: 32px; padding: 5px 9px; font-size: 11px; }
  .guide-intro { padding-top: 36px; padding-bottom: 34px; }
  .guide-intro h1 br { display: none; }
  .guide-section { margin-top: 44px; }
  .guide-section-heading { grid-template-columns: 1fr; gap: 8px; }
  .guide-section-heading .starts-eyebrow { padding-top: 0; }
  .use-steps, .guide-actions, .filter-notes, .source-list, .guide-limits > ul, .guide-last-action { margin-left: 0; }
  .pipeline { grid-template-columns: 1fr; }
  .pipeline li { display: grid; grid-template-columns: 30px 84px minmax(0, 1fr); gap: 10px; align-items: start; border-right: 0; border-bottom: 1px solid var(--line); }
  .pipeline li:last-child { border-bottom: 0; }
  .pipeline strong, .pipeline span { margin-top: 0; }
  .plain-note { grid-template-columns: 1fr; gap: 8px; }
  .filter-notes, .source-list { grid-template-columns: 1fr; }
  .filter-notes div:nth-child(even) { padding-left: 0; border-left: 0; }
}

/*
기능: 도움말 첫 화면을 주제 목록 하나로 보여 준다.
영향: guide/index.html에서만 사용하며 개별 주제 문서의 레이아웃은 건드리지 않는다.
참조: --ink, --muted, --paper, --line, --shadow 토큰.
*/
.index-intro {
  max-width: 60rem;
  margin: 0 auto;
  padding: 3.5rem 1.25rem 0;
  text-align: center;
}

.index-intro h1 {
  margin: 0.35rem 0 0.75rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.25;
}

.index-lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.guide-index {
  max-width: 48rem;
  margin: 2.5rem auto 0;
  padding: 0 1.25rem;
}

.guide-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.guide-index a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: var(--surface);
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.guide-index a:hover,
.guide-index a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--control-border);
  box-shadow: 0 14px 36px rgba(51, 37, 78, 0.10);
}

.guide-index-number {
  flex: none;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.guide-index-body {
  display: grid;
  gap: 0.25rem;
  min-width: 0;
}

.guide-index-body strong {
  font-size: 1.1rem;
  line-height: 1.4;
}

.guide-index-body span {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.guide-index-arrow {
  flex: none;
  margin-left: auto;
  color: var(--muted);
  font-size: 1.15rem;
}

.index-back {
  max-width: 48rem;
  margin: 2rem auto 3.5rem;
  padding: 0 1.25rem;
  text-align: center;
}

.index-back a {
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--line);
  padding-bottom: 0.15rem;
}

@media (max-width: 34rem) {
  .guide-index a { padding: 1.05rem 1.1rem; gap: 0.75rem; }
  .guide-index-arrow { display: none; }
}