/* 스스로착착 사용설명서 — 웹 지면 스타일 (화이트 배경, 네이비 브랜드색) */
:root {
  --cau-blue: #1C3F94;
  --cau-blue-deep: #0C1B3F;
  --ink: #1B1D22;
  --ink-soft: #46484E;
  --muted: #6E7076;
  --paper: #FFFFFF;
  --paper-edge: #E6E6E6;
  --rule: #D5D5D5;
  --white: #FFFFFF;
  --serif: 'Noto Serif KR', 'Apple SD Gothic Neo', serif;
  --sans: 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: 62px; /* 고정 헤더 높이만큼 본문을 내림 */
}
img { max-width: 100%; height: auto; }
a { color: var(--cau-blue); }

/* ── 상단 내비게이션 바 (상단 고정) ─────────── */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  background: var(--white);
  border-bottom: 1px solid var(--paper-edge);
  box-shadow: 0 1px 6px rgba(27,29,34,0.06);
  transition: transform 0.25s ease;
}
/* 모바일: 페이지 상단 근처에서만 헤더 표시, 스크롤을 내리면 숨김 */
@media (max-width: 640px) {
  body.topbar-hidden .topbar { transform: translateY(-100%); }
}
.topbar-inner {
  /* 본문과 같은 폭(760px): 좌우 아이콘이 본문 가장자리에 정렬되도록 */
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 9px 16px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
}
.topbar .title-wrap {
  grid-column: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.topbar .brand {
  font-family: var(--serif);
  font-weight: 900;
  font-size: 1rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.topbar .brand .blue { color: var(--cau-blue); }
.topbar .issue-tag {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0;
}
.topbar .issue {
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
}
.home-link {
  grid-column: 1;
  justify-self: start;
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
}
.home-link:hover { color: var(--cau-blue); }
.menu-toggle {
  grid-column: 3;
  justify-self: end;
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 0;
}
.menu-toggle .bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 1px;
  background: var(--ink);
}
.menu-toggle:hover .bar { background: var(--cau-blue); }

/* ── 마스트헤드(1면 전용) ───────────────────── */
.masthead {
  background: var(--white);
  text-align: center;
  padding: 26px 16px 18px;
}
.masthead h1 {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.7rem, 6vw, 2.7rem);
  letter-spacing: 0.1em;
  line-height: 1.25;
}
.masthead h1 .blue { color: var(--cau-blue); }
.masthead .motto {
  font-family: var(--serif);
  font-size: clamp(0.8rem, 2.6vw, 0.95rem);
  color: var(--ink-soft);
  letter-spacing: 0.35em;
  margin-top: 4px;
}
.masthead .issue-line {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: clamp(0.72rem, 2.4vw, 0.85rem);
  color: var(--muted);
}
.masthead .issue-line .issue-no { color: var(--cau-blue); font-weight: 700; }

/* ── 면 헤더 (섹션명 강조, 밑줄 없음) ───────── */
.myeon-head {
  max-width: 760px;
  margin: 26px auto 0;
  padding: 0 16px;
}
.myeon-head .section {
  display: inline-block;
  font-family: var(--serif);
  font-weight: 900;
  font-size: 1.55rem;
  color: var(--cau-blue);
  letter-spacing: 0.08em;
  padding-bottom: 6px;
}

/* ── 기사 ───────────────────────────────────── */
main.myeon {
  flex: 1;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 8px 16px 30px;
  overflow-x: hidden; /* 모바일 가로 밀림 방지 최종 안전망 */
}
main.myeon p, main.myeon li, main.myeon td, main.myeon figcaption {
  overflow-wrap: anywhere; /* 긴 URL·이메일이 화면을 밀지 않도록 */
}
.story {
  padding: 26px 0;
  border-bottom: 1px solid var(--rule);
}
.story:last-child { border-bottom: none; }
.kicker {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--cau-blue);
  border: 1px solid var(--cau-blue);
  padding: 1px 8px;
  border-radius: 3px;
  margin-bottom: 10px;
}
.headline {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.25rem, 4.4vw, 1.7rem);
  line-height: 1.4;
  word-break: keep-all;
}
.story.lead .headline { font-size: clamp(1.5rem, 5.6vw, 2.15rem); }
.story.lead { border-top: 1px solid var(--ink); }
.myeon.front .story.lead { border-top: none; padding-top: 12px; } /* 1면은 상단 가로줄 없음 */
.subhead {
  margin-top: 8px;
  font-size: clamp(0.95rem, 3vw, 1.1rem);
  color: var(--ink-soft);
  font-weight: 500;
  line-height: 1.6;
  word-break: keep-all;
}
.story figure { margin: 18px 0 4px; }
.story figure img {
  /* 작은 사진도 본문 컬럼과 같은 가로폭으로 통일 */
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--paper-edge);
  background: var(--white);
}
.story figcaption {
  font-size: 0.8rem;
  color: var(--muted);
  padding: 7px 2px 0;
  line-height: 1.5;
  border-bottom: 1px solid var(--paper-edge);
  padding-bottom: 8px;
}
.story .body { margin-top: 16px; }
.story .body p {
  margin-bottom: 14px;
  text-align: justify;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.story .body p:last-child { margin-bottom: 0; }
.story .body .q {
  font-weight: 700;
  color: var(--cau-blue-deep);
  margin-top: 18px;
}
.story.brief { padding: 18px 0; }
.story.brief .headline { font-size: 1.1rem; }

/* 명단·동정 */
.roster {
  list-style: none;
  columns: 2;
  column-gap: 28px;
  font-size: 0.9rem;
  margin-top: 8px;
}
.roster li {
  break-inside: avoid;
  padding: 3px 0;
  border-bottom: 1px dotted var(--paper-edge);
}
.roster-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin-top: 10px;
  /* 모바일: 넓은 명단 표는 페이지를 밀지 않고 표 안에서 가로 스크롤 */
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.roster-table tbody { display: table; width: 100%; border-collapse: collapse; }
.roster-table th, .roster-table td {
  border: 1px solid var(--paper-edge);
  padding: 7px 10px;
  text-align: left;
  vertical-align: top;
  word-break: keep-all;
}
.roster-table th { background: #F0F2F5; font-weight: 700; }
.roster-table caption {
  display: block;
  width: 100%;
  caption-side: top;
  text-align: left;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 4px 0 8px;
  white-space: nowrap;
}
.table-scroll { overflow-x: auto; }

/* 모바일: 표를 가로 스크롤 대신 행 단위 블록으로 풀어 각 항목을 두 줄로 표기 */
@media (max-width: 640px) {
  .roster-table { display: block; overflow-x: visible; }
  .roster-table tbody { display: block; width: 100%; }
  .roster-table thead { display: block; }
  .roster-table tr {
    display: block;
    padding: 9px 2px;
    border-bottom: 1px solid var(--paper-edge);
    line-height: 1.6;
  }
  .roster-table thead tr {
    border-bottom: 2px solid var(--ink);
    background: none;
    font-size: 0.78rem;
    color: var(--muted);
    padding: 4px 2px;
  }
  .roster-table th, .roster-table td {
    display: inline;
    border: none;
    padding: 0;
    background: none;
  }
  .roster-table th::after, .roster-table td::after { content: "  "; white-space: pre; }
  .roster-table td:first-child { font-weight: 700; }
  .roster-table td:last-child { color: var(--cau-blue-deep); font-weight: 500; }
}

/* ── 광고 ───────────────────────────────────── */
.ad {
  margin: 26px 0;
  background: var(--white);
  padding: 0;
}
.ad > img { display: block; width: 100%; }
.ad.ad-text { padding: 18px 20px; }
.ad .ad-label {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--muted);
  border: 1px solid var(--rule);
  padding: 0 6px;
  border-radius: 3px;
  margin-bottom: 8px;
}
.ad.ad-text h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 900;
  margin-bottom: 6px;
  word-break: keep-all;
}
.ad.ad-text p { font-size: 0.92rem; word-break: keep-all; }
.ad .ad-contact { margin-top: 8px; color: var(--cau-blue-deep); font-weight: 500; }

/* ── 면 이동(하단) ──────────────────────────── */
.myeon-nav {
  max-width: 760px;
  margin: 0 auto;
  width: 100%;
  padding: 6px 16px 26px;
  display: flex;
  justify-content: space-between; /* 이전은 좌측 끝, 다음은 우측 끝 */
  gap: 10px;
}
.myeon-nav a, .myeon-nav span.hold {
  text-align: center;
  padding: 12px 26px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
}
.myeon-nav a:hover { border-color: var(--cau-blue); color: var(--cau-blue); }
.myeon-nav span.hold { opacity: 0.35; }

/* ── 지면 안내 드로어 (햄버거 메뉴, 우측에서 열림) ── */
.pagenav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(300px, 84vw);
  background: var(--white);
  border-left: 1px solid var(--paper-edge);
  box-shadow: -4px 0 18px rgba(27,29,34,0.12);
  z-index: 40;
  overflow-y: auto;
  padding: 16px 0 24px;
  transform: translateX(102%);
  transition: transform 0.2s ease;
}
body.nav-open .pagenav { transform: translateX(0); }
.pagenav-title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: 1.05rem;
  padding: 6px 18px 10px;
  border-bottom: 2px solid var(--ink);
  margin: 0 0 6px;
}
.pagenav ul { list-style: none; margin: 0; padding: 0; }
.pagenav li a {
  display: block;
  padding: 8px 18px;
  font-size: 0.88rem;
  color: var(--ink);
  text-decoration: none;
  word-break: keep-all;
}
.pagenav li a:hover { background: #F4F7FC; color: var(--cau-blue); }
.pagenav li.current a {
  color: var(--cau-blue);
  font-weight: 700;
  background: #EFF4FB;
  border-left: 3px solid var(--cau-blue);
  padding-left: 15px;
}
.pagenav li.home a {
  color: var(--cau-blue-deep);
  font-weight: 700;
  border-bottom: 1px solid var(--paper-edge);
  margin-bottom: 6px;
}
.pagenav .no {
  font-family: var(--serif);
  font-weight: 900;
  color: var(--cau-blue);
  margin-right: 8px;
}
.pagenav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(27,29,34,0.35);
  z-index: 30;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
body.nav-open .pagenav-backdrop { opacity: 1; pointer-events: auto; }

/* ── 푸터 ───────────────────────────────────── */
.colophon {
  background: var(--cau-blue-deep);
  color: rgba(255,255,255,0.85);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}
.colophon-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  gap: 8px 20px;
  flex-wrap: wrap;
}
.colophon a { color: var(--white); text-decoration: none; }
.colophon a:hover { text-decoration: underline; }

/* ── 반응형 ─────────────────────────────────── */
@media (max-width: 560px) {
  .roster { columns: 1; }
  .topbar .issue { display: none; }
}
@media (min-width: 900px) {
  .story figure.half { max-width: 58%; }
}
:focus-visible { outline: 3px solid var(--cau-blue); outline-offset: 2px; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.jump { font-weight: 700; color: var(--cau-blue); }
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ══ 사용설명서 전용 요소 (chakcallback 브랜드에만 적용) ══════════════ */
:root {
  --accent: #E8702A;        /* 소제목 막대·주의 상자 */
  --accent-soft: #FDF1E8;
  --info: #2F6BED;          /* 안내 상자 */
  --info-soft: #EEF3FD;
  --note-soft: #EEF1F7;
  --ok: #16A35A;
}

/* 장 제목 — kicker를 장 번호 배지로 */
.story.chapter { border-top: none; padding-top: 18px; }
.story.chapter .kicker {
  background: var(--cau-blue-deep);
  color: var(--white);
  border-color: var(--cau-blue-deep);
  border-radius: 8px;
  letter-spacing: 0.05em;
  padding: 3px 10px;
}
.story.chapter .subhead { padding-bottom: 16px; border-bottom: 1px solid var(--paper-edge); }

/* 소제목 (주황 막대) · 작은 제목 */
.story .body h3 {
  position: relative;
  margin: 30px 0 10px;
  padding-left: 14px;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--cau-blue-deep);
  word-break: keep-all;
}
.story .body h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.3em;
  width: 4px;
  height: 1em;
  border-radius: 2px;
  background: var(--accent);
}
.story .body h4 {
  margin: 20px 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--cau-blue-deep);
}
.story .body > :first-child { margin-top: 0; }
.story .body strong { color: var(--cau-blue-deep); }
.story .body ul.dots { margin: 8px 0 14px 1.2em; }
.story .body ul.dots li { margin-bottom: 6px; word-break: keep-all; }

/* 단계 목록 (번호 동그라미) */
.steps { list-style: none; margin: 18px 0; counter-reset: step; }
.steps li {
  position: relative;
  counter-increment: step;
  padding: 12px 0 12px 42px;
  border-bottom: 1px dashed var(--paper-edge);
  word-break: keep-all;
}
.steps li:last-child { border-bottom: none; }
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--cau-blue-deep);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 28px;
  text-align: center;
}
.steps li.ok::before { background: var(--ok); }
.steps li b { display: block; font-weight: 700; color: var(--cau-blue-deep); }
.steps li span { display: block; font-size: 0.9rem; color: var(--ink-soft); }

/* 안내 상자: 기본(파랑) · 주의(주황) · 참고(회색) */
.callout {
  margin: 20px 0;
  padding: 14px 18px;
  border-left: 4px solid var(--info);
  border-radius: 8px;
  background: var(--info-soft);
}
.callout .callout-title { font-weight: 700; color: var(--info); margin-bottom: 4px !important; }
.callout p { margin-bottom: 0 !important; font-size: 0.93rem; }
.callout.warn { border-left-color: var(--accent); background: var(--accent-soft); }
.callout.warn .callout-title { color: #C4561A; }
.callout.note { border-left-color: #8A93A8; background: var(--note-soft); }
.callout.note .callout-title { color: var(--ink-soft); }

/* 휴대폰 화면 캡처 — 가로 100%로 늘리지 않고 폰 크기로 */
.story figure.shot { margin: 18px auto; max-width: 240px; text-align: center; }
.story figure.shot img { border-radius: 14px; border: 1px solid var(--paper-edge); }
.story figure.shot figcaption { text-align: center; }
.shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin: 18px 0;
}
.shots figure.shot { margin: 0 auto; max-width: 200px; }
.shots figcaption b { display: block; color: var(--cau-blue-deep); }

/* 표 (설명서용) */
.guide-table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 0.9rem; }
.guide-table th, .guide-table td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--paper-edge);
  word-break: keep-all;
}
.guide-table thead th { background: var(--cau-blue-deep); color: var(--white); font-weight: 700; }
.guide-table tbody tr:nth-child(odd) { background: #F7F9FC; }
.guide-table tbody th { font-weight: 700; color: var(--cau-blue-deep); white-space: nowrap; }
.guide-table td.c { text-align: center; }
.guide-table small { display: block; color: var(--muted); font-weight: 400; }
@media (max-width: 640px) {
  /* 모바일: 행 단위 블록 스택 — 가로 스크롤 없음 */
  .guide-table, .guide-table tbody, .guide-table tr, .guide-table th, .guide-table td { display: block; width: 100%; }
  .guide-table thead { display: none; }
  .guide-table tr { padding: 10px 4px; border-bottom: 1px solid var(--paper-edge); }
  .guide-table th, .guide-table td { padding: 2px 0; border: none; white-space: normal; }
  .guide-table td.c { text-align: left; }
  .guide-table td[data-label]::before {
    content: attr(data-label) " · ";
    color: var(--muted);
    font-size: 0.8rem;
  }
}

/* 메뉴 경로 · 상태 표 */
.path {
  display: inline-block;
  padding: 0 7px;
  border-radius: 5px;
  background: #EEF1F7;
  font-size: 0.85em;
  color: var(--ink-soft);
}
.tag {
  display: inline-block;
  padding: 0 7px;
  border-radius: 5px;
  font-size: 0.8em;
  font-weight: 700;
  line-height: 1.7;
}
.tag.miss { background: var(--accent-soft); color: #C4561A; }
.tag.fail { background: #FDECEC; color: #D0302F; }
.tag.on { background: #E7F6EE; color: var(--ok); }
.tag.off { background: #FDECEC; color: #D0302F; }

/* 자주 묻는 것 */
.faq { border-bottom: 1px solid var(--paper-edge); padding: 14px 0; }
.faq:last-child { border-bottom: none; }
.faq .q { margin: 0 0 6px !important; color: var(--cau-blue-deep); }
.faq .q::before { content: "Q. "; color: var(--accent); }

/* 1면 표지 · 차례 */
.cover-hero {
  margin: 8px 0 26px;
  padding: 38px 26px 30px;
  border-radius: 14px;
  background: var(--cau-blue-deep);
  color: #DDE3F0;
}
.cover-hero .cover-icon { display: block; width: 44px; height: 44px; margin-bottom: 18px; }
.cover-hero h2 {
  font-size: clamp(1.7rem, 6.4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--white);
  word-break: keep-all;
}
.cover-hero .cover-sub { margin-top: 8px; color: #B9C3DA; }
.cover-hero .cover-lines {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.18);
  color: var(--white);
}
.cover-hero .cover-lines p { margin: 0; }
.cover-hero .cover-meta { margin-top: 24px; font-size: 0.82rem; color: #9FA9C2; }
.cover-hero .cover-meta b { color: var(--white); }
.toc-title { font-size: 1.35rem; font-weight: 700; padding-bottom: 10px; border-bottom: 3px solid var(--cau-blue-deep); }
.toc { list-style: none; counter-reset: toc; }
.toc li { counter-increment: toc; border-bottom: 1px solid var(--paper-edge); }
.toc a {
  position: relative;
  display: block;
  padding: 12px 0 12px 44px;
  color: var(--ink);
  text-decoration: none;
}
.toc a::before {
  content: counter(toc);
  position: absolute;
  left: 0;
  top: 13px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #EEF1F7;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 28px;
  text-align: center;
  color: var(--cau-blue-deep);
}
.toc a b { display: block; font-weight: 700; color: var(--cau-blue); }
.toc a span { display: block; font-size: 0.85rem; color: var(--muted); }
.toc a:hover b { text-decoration: underline; }
.endnote { margin-top: 30px; padding-top: 16px; border-top: 2px solid var(--cau-blue-deep); font-size: 0.88rem; color: var(--ink-soft); }

/* 설명서는 짧은 안내문이 많아 양쪽 정렬 대신 왼쪽 정렬 (좁은 화면 글자 벌어짐 방지) */
.story .body p, .callout p { text-align: left; }