/* 피터의 기록 보관소 — 뒷면(지성) */
:root {
  --bg: #fbfbf8;
  --paper: #ffffff;
  --ink: #111827;
  --muted: #5b6270;
  --faint: #9aa0aa;
  --hair: #e6e6e0;
  --accent: #6d28d9;
  --cool: #0e7490;
  --hl: #f5f0ff;
  --sans: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0c12; --paper: #12131b; --ink: #e8e8f0; --muted: #a2a7b6; --faint: #6c7182;
    --hair: #24263a; --accent: #af82ff; --cool: #78d7ff; --hl: #1c1830;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
/* 일본어·중국어는 띄어쓰기가 없으므로 글자 단위로 줄을 바꾼다 (keep-all 은 한국어용) */
html[lang="ja"] body, html[lang^="zh"] body { word-break: normal; line-break: strict; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px clamp(16px, 3vw, 36px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hair);
  font-family: var(--mono); font-size: 12px;
}
.back { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; text-decoration: none; color: var(--muted); }
.back:hover { color: var(--accent); }
.brand { letter-spacing: 0.14em; color: var(--faint); }

.layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: clamp(24px, 4vw, 64px);
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 36px);
}
.toc { position: sticky; top: 70px; align-self: start; padding-top: 56px; max-height: calc(100vh - 70px); overflow: auto; }
.toc-title { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--faint); margin: 0 0 12px; text-transform: uppercase; }
.toc a {
  display: grid; grid-template-columns: 26px 1fr auto; gap: 6px;
  padding: 7px 0; text-decoration: none; font-size: 14px; color: var(--muted);
  border-top: 1px solid var(--hair);
}
.toc a:hover, .toc a.on { color: var(--ink); }
.toc a.on .toc-no { color: var(--accent); }
.toc-no, .toc-n { font-family: var(--mono); font-size: 12px; color: var(--faint); }
.toc-meta { font-family: var(--mono); font-size: 11px; color: var(--faint); margin-top: 18px; }

.intro { padding: 56px 0 28px; border-bottom: 1px solid var(--ink); }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--accent); text-transform: uppercase; margin: 0 0 10px; }
h1 { font-size: clamp(30px, 4vw, 44px); line-height: 1.2; margin: 0 0 18px; letter-spacing: -0.02em; }
.intro-body { color: var(--muted); max-width: 640px; margin: 0 0 24px; }
.filter { display: flex; gap: 12px; align-items: center; }
.filter input {
  flex: 1; min-width: 0; max-width: 420px;
  font: inherit; font-size: 15px;
  padding: 10px 14px;
  border: 1px solid var(--hair); border-radius: 8px;
  background: var(--paper); color: var(--ink);
}
.filter input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.count { font-family: var(--mono); font-size: 12px; color: var(--faint); }

.sec { padding-top: 48px; }
.sec-head { display: grid; grid-template-columns: 48px 1fr; gap: 0 14px; margin-bottom: 18px; }
.sec-no { font-family: var(--mono); font-size: 13px; color: var(--accent); padding-top: 6px; }
.sec h2 { font-size: 22px; margin: 0; letter-spacing: -0.01em; }
.sec-lead { grid-column: 2; color: var(--muted); margin: 4px 0 0; font-size: 15px; }

.rec {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 0 28px;
  padding: 26px 0;
  border-top: 1px solid var(--hair);
  transition: background 0.6s;
}
.rec.flash { animation: flash 2.6s ease; }
@keyframes flash { 0%, 40% { background: var(--hl); box-shadow: -16px 0 0 var(--hl), 16px 0 0 var(--hl); } 100% { background: transparent; } }
.rec-fig {
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.15;
  color: var(--ink);
  letter-spacing: -0.02em;
  word-break: keep-all;          /* 낱말 안에서는 끊지 않는다 (archive.js 의 fitFigs 가 크기를 맞춘다) */
  overflow-wrap: normal;
}
.rec-id { display: block; font-size: 11px; font-weight: 400; color: var(--faint); margin-top: 8px; letter-spacing: 0.04em; }
.rec h3 { font-size: 18px; line-height: 1.5; margin: 0 0 8px; letter-spacing: -0.01em; }
.rec-body { color: var(--muted); margin: 0 0 14px; }
.rec h4 { font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: 0.08em; color: var(--faint); margin: 0 0 6px; }
.findings { margin: 0 0 14px; padding-left: 18px; font-size: 14px; }
.findings li { margin: 2px 0; }
.quote { margin: 0 0 14px; padding: 8px 14px; border-left: 2px solid var(--hair); font-size: 14px; color: var(--muted); font-style: italic; }
.meta { display: grid; grid-template-columns: minmax(64px, max-content) 1fr; gap: 4px 12px; margin: 0 0 14px; font-size: 13px; }
.meta dt { font-family: var(--mono); color: var(--faint); font-size: 11px; padding-top: 2px; }
.meta dd { margin: 0; color: var(--ink); }
.cite { font-size: 12px; color: var(--muted); padding-top: 10px; border-top: 1px dashed var(--hair); line-height: 1.6; }
.cite-label { font-family: var(--mono); font-size: 11px; color: var(--faint); margin-right: 10px; }

.foot { padding: 64px 0 80px; margin-top: 48px; border-top: 1px solid var(--ink); font-size: 13px; color: var(--muted); }
.foot a { color: var(--accent); }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.foot-links a { text-decoration: none; }
.foot-links a:hover { text-decoration: underline; text-underline-offset: 3px; }
.foot-soon { color: var(--faint); }
.foot-soon em { font-style: normal; margin-left: 4px; }
.foot-social { display: flex; flex-wrap: wrap; gap: 6px 18px; font-family: var(--mono); font-size: 12px; }
.foot-social a { color: var(--muted) !important; text-decoration: none; }
.foot-social a:hover { color: var(--accent) !important; }
.foot-social a[hidden] { display: none; }
.empty { padding: 40px 0; color: var(--faint); font-family: var(--mono); font-size: 13px; }

@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .toc { position: static; padding-top: 24px; max-height: none; }
  .rec { grid-template-columns: 1fr; gap: 8px; }
}

/* 상단 기록/노트 전환 */
.topnav { display: flex; gap: 14px; white-space: nowrap; }
.topnav a { text-decoration: none; color: var(--faint); letter-spacing: 0.1em; }
.topnav a.on, .topnav a:hover { color: var(--accent); }

/* 피터의 노트 */
.note .sec p { color: var(--ink); margin: 0 0 14px; font-size: 15.5px; line-height: 1.85; max-width: 760px; }
.note .sec p b { font-weight: 700; }
.note .sec { padding-top: 44px; }
.note .sec-head { margin-bottom: 14px; }
.plain { padding-left: 20px; margin: 0 0 14px; max-width: 760px; font-size: 15.5px; line-height: 1.85; }
.plain li { margin: 0 0 10px; }
.refchip {
  display: inline-block;
  font-family: var(--mono); font-size: 11px;
  color: var(--cool); text-decoration: none;
  padding: 0 6px; margin: 0 2px;
  border: 1px solid var(--hair); border-radius: 4px;
  vertical-align: 1px;
}
a.refchip:hover { border-color: var(--cool); }
/* 가설 표시: 강조하지 않는다. 문장 끝에 작은 회색 글씨로 붙여 둘 뿐 */
.hyp {
  display: inline;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.02em;
  color: var(--faint);
  white-space: nowrap;
}
.hyp::before { content: "("; }
.hyp::after { content: ")"; }
.note-foot { color: var(--faint) !important; font-size: 13px !important; margin-top: 24px !important; }

/* ───────── 목차 묶음 ───────── */
.toc-group { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; color: var(--faint); margin: 18px 0 4px; text-transform: uppercase; }
.toc-group:first-child { margin-top: 0; }

/* ───────── 1부 · 2부 머리 ───────── */
.part { padding-top: 56px; }
.part + .part { margin-top: 40px; border-top: 1px solid var(--ink); }
.part-head h2 { font-size: clamp(24px, 3vw, 32px); margin: 0 0 8px; letter-spacing: -0.02em; }
.part-lead { color: var(--muted); margin: 0; max-width: 640px; font-size: 15px; }

/* ───────── 이야기 속 문장 ───────── */
.sec--claims { padding-top: 40px; }
.claim {
  position: relative;
  padding: 26px 0 30px;
  border-top: 1px solid var(--hair);
}
.claim::before {
  content: "";
  position: absolute; left: -18px; top: 26px; bottom: 30px; width: 2px;
  background: var(--accent); border-radius: 2px;
  opacity: 0; transition: opacity 0.4s;
}
.claim.is-focus::before { opacity: 1; }
.claim.flash { animation: flash 2.6s ease; }
.claim-meta { display: flex; gap: 12px; align-items: baseline; font-family: var(--mono); font-size: 11px; color: var(--faint); letter-spacing: 0.06em; margin-bottom: 10px; }
.claim-idx { color: var(--accent); }
.claim-line {
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.6;
  letter-spacing: -0.015em;
  margin: 0 0 18px;
  max-width: 760px;
}
.claim-ctx { color: var(--muted); }
.claim-link {
  background: none;
  color: var(--ink);
  font-weight: 600;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-size: 100% 1px;
  background-position: 0 92%;
  padding-bottom: 1px;
}

.cards {
  display: grid;
  /* 카드 수만큼 줄을 꽉 채운다 (빈 칸을 남기지 않음). 한 장뿐이면 너무 넓어지지 않게 */
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 14px;
}
.cards:has(> .card:only-child) { max-width: 560px; }
.card {
  display: flex; flex-direction: column; min-width: 0;
  padding: 16px 16px 14px;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 12px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--hair)); transform: translateY(-2px); box-shadow: 0 10px 28px -18px rgba(40, 20, 90, 0.35); }
.card--primary { border-color: color-mix(in srgb, var(--accent) 28%, var(--hair)); }
/* 주제 이름은 위에 작게, 수치는 그 아래 한 줄로 — 카드마다 줄바꿈이 들쭉날쭉하지 않게 */
.card-top { display: flex; flex-direction: column-reverse; align-items: flex-start; gap: 4px; margin-bottom: 10px; }
.card-fig { font-family: var(--mono); font-weight: 600; font-size: 20px; letter-spacing: -0.02em; line-height: 1.2; white-space: nowrap; word-break: keep-all; }
.card-sec { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.04em; color: var(--faint); }
.card-title { font-size: 14.5px; line-height: 1.5; margin: 0 0 10px; font-weight: 600; letter-spacing: -0.01em; }
.card-tag { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; color: var(--faint); font-style: normal; margin-bottom: 3px; }
.card-ex {
  margin: 0 0 12px; padding: 8px 12px;
  border-left: 2px solid var(--accent);
  background: var(--hl);
  border-radius: 0 6px 6px 0;
  font-size: 13.5px; line-height: 1.55; color: var(--ink);
  font-family: Georgia, "Times New Roman", serif; font-style: italic;
}
.card-key { margin: 0 0 12px; padding: 8px 12px; border-left: 2px solid var(--hair); font-size: 13.5px; line-height: 1.55; color: var(--muted); }
.card-src { margin: auto 0 12px; font-size: 12px; color: var(--muted); line-height: 1.5; }
.card-actions { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 6px 10px; padding-top: 10px; border-top: 1px dashed var(--hair); }
.card-open {
  display: inline-flex; flex-direction: column; min-width: 0;
  font-size: 13px; font-weight: 600; color: var(--accent); text-decoration: none;
}
.card-open-t { white-space: nowrap; }
.card-open:hover .card-open-t { text-decoration: underline; text-underline-offset: 3px; }
.card-host { font-family: var(--mono); font-size: 10.5px; font-weight: 400; color: var(--faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 190px; }
.card-open--none { color: var(--faint); font-weight: 400; font-size: 12px; }
.card-arch { font-family: var(--mono); font-size: 11px; color: var(--muted); text-decoration: none; white-space: nowrap; }
.card-arch:hover { color: var(--cool); }

/* ───────── 전체 기록: 원자료 · 보조 자료 · 쓰인 문장 ───────── */
.rec.is-focus { background: color-mix(in srgb, var(--hl) 55%, transparent); box-shadow: -16px 0 0 color-mix(in srgb, var(--hl) 55%, transparent), 16px 0 0 color-mix(in srgb, var(--hl) 55%, transparent); }
.cite { display: grid; grid-template-columns: 64px 1fr; gap: 2px 12px; align-items: baseline; }
.cite-main { color: var(--ink); }
.cite-open { grid-column: 2; font-size: 12.5px; font-weight: 600; color: var(--accent); text-decoration: none; }
.cite-open:hover { text-decoration: underline; text-underline-offset: 3px; }
.cite-none { grid-column: 2; font-size: 12px; color: var(--faint); }
.also-host { font-family: var(--mono); font-size: 10.5px; font-weight: 400; color: var(--faint); margin-left: 6px; }
.also { display: grid; grid-template-columns: 64px 1fr; gap: 0 12px; margin-top: 10px; font-size: 12.5px; }
.also ul { margin: 0; padding: 0; list-style: none; }
.also li { padding: 4px 0; border-top: 1px dotted var(--hair); }
.also li:first-child { border-top: 0; padding-top: 0; }
.also-link { color: var(--muted); text-decoration: none; }
.also-link:hover { color: var(--ink); }
.uses { display: grid; grid-template-columns: 64px 1fr; gap: 6px 12px; margin-top: 12px; font-size: 12.5px; align-items: baseline; }
.uses .use { grid-column: 2; color: var(--cool); text-decoration: none; }
.uses .use::before { content: "↖ "; font-family: var(--mono); color: var(--faint); }
.uses .use:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ───────── 이야기 화면 레이어 안에서 열렸을 때 ───────── */
.embed .top { display: none; }
.embed .toc { top: 0; padding-top: 40px; max-height: 100vh; }
.embed .intro { padding-top: 40px; }
.embed .foot-back { display: none; }
html.embed { scroll-padding-top: 20px; }

@media (max-width: 860px) {
  .claim::before { left: -10px; }
  .cards { grid-template-columns: 1fr; }
  .cite, .also, .uses { grid-template-columns: 1fr; }
  .cite-open, .cite-none, .uses .use { grid-column: 1; }
}

/* ───────── 스크롤바: 기본 회색 막대 대신 얇고 조용하게 ───────── */
:root {
  --sb-thumb: rgba(17, 24, 39, 0.16);
  --sb-thumb-hover: rgba(109, 40, 217, 0.55);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --sb-thumb: rgba(232, 232, 240, 0.16);
    --sb-thumb-hover: rgba(175, 130, 255, 0.6);
  }
}
/* 크롬·엣지·사파리 */
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: transparent; margin: 8px 0; }
::-webkit-scrollbar-thumb {
  background: var(--sb-thumb);
  border-radius: 999px;
  border: 4px solid transparent;
  background-clip: content-box;
  min-height: 48px;
}
::-webkit-scrollbar-thumb:hover { background: var(--sb-thumb-hover); background-clip: content-box; border-width: 3px; }
::-webkit-scrollbar-corner { background: transparent; }
.toc::-webkit-scrollbar { width: 8px; }
.toc::-webkit-scrollbar-thumb { border-width: 2px; background: transparent; background-clip: content-box; }
.toc:hover::-webkit-scrollbar-thumb { background: var(--sb-thumb); background-clip: content-box; }
/* 파이어폭스 등(웹킷 스크롤바를 모르는 브라우저) */
@supports not selector(::-webkit-scrollbar) {
  html, .toc { scrollbar-width: thin; scrollbar-color: var(--sb-thumb) transparent; }
}

/* ───────── 언어 변경 버튼 (보관소 상단) ───────── */
.top { gap: 16px; }
.top .topnav { margin-left: auto; }
.lang { --lang-bg: color-mix(in srgb, var(--paper) 94%, transparent); --lang-faint: var(--faint); }
.lang { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 7px;
  height: 30px; padding: 0 12px 0 10px;
  font: 500 11px/1 var(--mono); letter-spacing: 0.1em;
  color: var(--muted); background: transparent;
  border: 1px solid var(--hair); border-radius: 999px;
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s, background-color 0.25s;
}
.lang-btn svg { width: 13px; height: 13px; display: block; }
.lang-btn:hover, .lang-btn:focus-visible, .lang.is-open .lang-btn {
  color: var(--ink);
  border-color: color-mix(in srgb, var(--ink) 26%, transparent);
  outline: none;
}
.lang.is-open .lang-btn { background: color-mix(in srgb, var(--ink) 3%, transparent); }
.lang-panel {
  position: absolute; right: 0; top: calc(100% + 10px); z-index: 40;
  width: 208px;
  padding: 14px 6px 6px;
  background: var(--lang-bg);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  backdrop-filter: blur(16px) saturate(1.3);
  border: 1px solid var(--hair);
  border-radius: 14px;
  box-shadow: 0 28px 56px -32px rgba(8, 8, 30, 0.5), 0 2px 6px -2px rgba(8, 8, 30, 0.08);
  opacity: 0; visibility: hidden;
  transform: translateY(-6px) scale(0.98); transform-origin: top right;
  transition: opacity 0.16s ease, transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0s linear 0.22s;
}
.lang.is-open .lang-panel {
  opacity: 1; visibility: visible; transform: none;
  transition: opacity 0.16s ease, transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0s;
}
.lang-head {
  margin: 0 10px 8px;
  font: 500 10px/1 var(--mono); letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--lang-faint);
}
/* 한·중·일 머리글은 자간을 벌리지 않는다 */
html[lang="ko"] .lang-head, html[lang="ja"] .lang-head, html[lang^="zh"] .lang-head { font: 500 11px/1 var(--sans); letter-spacing: 0.02em; }
.lang-menu { list-style: none; margin: 0; padding: 0; }
.lang-menu li {
  display: grid; grid-template-columns: 30px 1fr 14px; align-items: center;
  height: 34px; padding: 0 10px;
  border-radius: 8px;
  font: 400 14px/1 var(--sans); letter-spacing: 0;
  color: var(--muted);
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}
.lang-code { font: 500 10.5px/1 var(--mono); letter-spacing: 0.08em; color: var(--lang-faint); transition: color 0.15s; }
.lang-menu li::after {
  content: "→"; justify-self: end;
  font: 12px/1 var(--mono); color: var(--accent);
  opacity: 0; transform: translateX(-4px);
  transition: opacity 0.15s, transform 0.15s;
}
.lang-menu li:hover, .lang-menu li:focus-visible { background: color-mix(in srgb, var(--ink) 6%, transparent); color: var(--ink); outline: none; }
.lang-menu li:hover .lang-code, .lang-menu li:focus-visible .lang-code { color: var(--ink); }
.lang-menu li:hover::after, .lang-menu li:focus-visible::after { opacity: 1; transform: none; }
.lang-menu li[aria-selected="true"] { color: var(--ink); font-weight: 600; }
.lang-menu li[aria-selected="true"] .lang-code { color: var(--accent); }
.lang-menu li[aria-selected="true"]::after { content: "✓"; opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .lang-panel, .lang.is-open .lang-panel { transition: none; } }

/* ───────── 긴 언어(프랑스어·스페인어·네덜란드어 …) 배려 ───────── */
/* 긴 수치는 글자를 줄여 한 줄에 */
.card-fig.fig--long { font-size: 16px; }
.rec-fig.fig--long { font-size: clamp(18px, 1.8vw, 22px); }
/* 라벨(방법·한계·원자료·보조 자료·쓰인 문장)이 길어서 옆이 아니라 위에 둔다. 한·중·일은 짧아서 옆에 */
html:not([lang="ko"]):not([lang="ja"]):not([lang^="zh"]) :is(.meta, .cite, .also, .uses) { grid-template-columns: minmax(0, 1fr); gap: 3px 0; }
html:not([lang="ko"]):not([lang="ja"]):not([lang^="zh"]) :is(.cite-open, .cite-none, .uses .use) { grid-column: 1; }
html:not([lang="ko"]):not([lang="ja"]):not([lang^="zh"]) .meta dd { margin-bottom: 8px; }
html:not([lang="ko"]):not([lang="ja"]):not([lang^="zh"]) .uses .use { margin-bottom: 2px; }
/* 좁은 칸에서는 낱말 사이에 하이픈을 넣어 줄 끝이 들쭉날쭉하지 않게 */
html:not([lang="ko"]):not([lang="ja"]):not([lang^="zh"]) .card { -webkit-hyphens: auto; hyphens: auto; }

/* ───────── 목차 머리: 넓은 화면에서는 이름표, 휴대폰에서는 접는 버튼 ───────── */
.toc-title { display: block; width: 100%; padding: 0; border: 0; background: none; text-align: left; font-weight: 400; line-height: 1.4; cursor: default; pointer-events: none; }
.toc-now, .toc-chev { display: none; }

/* ───────── 휴대폰 ───────── */
@media (max-width: 860px) {
  html { scroll-padding-top: calc(var(--top-h, 0px) + 76px); }   /* 붙어 있는 목차 줄만큼 */
  .sec-head { grid-template-columns: 28px minmax(0, 1fr); gap: 0 10px; }
  .sec h2 { font-size: 19px; line-height: 1.4; }
  .sec-lead { grid-column: 1 / -1; margin-top: 8px; }
  .card { padding: 14px 14px 12px; }
  html:not([lang="ko"]):not([lang="ja"]):not([lang^="zh"]) :is(.rec, .claim-line, .sec-lead, .intro-body, .part-lead, .note .sec p, .note li) { -webkit-hyphens: auto; hyphens: auto; }

  /* 목차: 화면 위에 붙는 한 줄. 지금 읽는 장 이름이 보이고, 누르면 펼쳐진다 */
  .toc {
    position: sticky; top: var(--top-h, 0px); z-index: 9;
    padding: 10px 0; margin-top: 8px;
    background: var(--bg);
    max-height: none; overflow: visible;
  }
  .toc-title {
    display: flex; align-items: center; gap: 12px;
    pointer-events: auto; cursor: pointer;
    min-height: 44px; padding: 0 14px; margin: 0;
    border: 1px solid var(--hair); border-radius: 10px;
    background: var(--paper);
    color: var(--faint);
  }
  .toc-title:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
  .toc-now {
    display: block; flex: 1; min-width: 0;
    overflow: hidden; text-overflow: ellipsis; white-space: pre;
    font-family: var(--sans); font-size: 14px; letter-spacing: 0; text-transform: none;
    color: var(--ink);
  }
  .toc-chev { display: block; width: 8px; height: 8px; border-right: 1.5px solid var(--muted); border-bottom: 1.5px solid var(--muted); transform: translateY(-2px) rotate(45deg); transition: transform 0.2s; }
  .toc.is-open .toc-chev { transform: translateY(2px) rotate(-135deg); }
  .toc nav, .toc .toc-meta { display: none; }
  .toc.is-open nav { display: block; }
  .toc.is-open nav {
    max-height: min(62vh, 520px); overflow: auto;
    margin-top: 8px; padding: 6px 14px 4px;
    border: 1px solid var(--hair); border-radius: 10px;
    background: var(--paper);
    box-shadow: 0 24px 48px -28px rgba(0, 0, 0, 0.45);
  }
}
@media (max-width: 560px) {
  /* 상단: 「← 이야기로 돌아가기」는 화살표만 (글자는 화면 읽기 프로그램에만) */
  .back { font-size: 17px; padding: 6px 8px 6px 0; }
  .back-t { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
}

/* ───────── 제작소: 앱이 무엇을, 왜 그렇게 하는지 ───────── */
.ws .sec p { color: var(--ink); margin: 0 0 14px; font-size: 15.5px; line-height: 1.85; max-width: 760px; }
/* 한눈에: 플랫폼 · 언어 · 출시 */
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin: 22px 0 0; background: var(--hair); border: 1px solid var(--hair); border-radius: 12px; overflow: hidden; max-width: 900px; }
.facts div { background: var(--paper); padding: 14px 16px; }
.facts dt { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); margin-bottom: 6px; }
.facts dd { margin: 0; font-size: 14.5px; line-height: 1.5; color: var(--ink); }
.facts a { color: var(--accent); text-decoration: none; }
.facts .wide { grid-column: span 2; }
@media (max-width: 560px) { .facts { grid-template-columns: minmax(0, 1fr); } .facts .wide { grid-column: auto; } }
/* 흐름: 단계 */
.flow { list-style: none; margin: 8px 0 0; padding: 0; counter-reset: step; display: grid; gap: 0; max-width: 900px; }
.flow li { counter-increment: step; position: relative; display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 0 14px; padding: 16px 0; border-top: 1px solid var(--hair); }
.flow li::before { content: counter(step, decimal-leading-zero); font-family: var(--mono); font-size: 12px; color: var(--accent); padding-top: 3px; }
.flow h3 { grid-column: 2; margin: 0 0 4px; font-size: 16.5px; line-height: 1.5; }
.flow p { grid-column: 2; margin: 0 !important; font-size: 14.5px !important; line-height: 1.75 !important; color: var(--muted) !important; }
/* 기능: 하는 일 + 왜 */
.feats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 14px; margin-top: 8px; max-width: 980px; }
.feat { display: flex; flex-direction: column; gap: 8px; padding: 18px 18px 16px; background: var(--paper); border: 1px solid var(--hair); border-radius: 12px; }
.feat h3 { margin: 0; font-size: 16px; line-height: 1.5; letter-spacing: -0.01em; }
.feat-tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; color: var(--faint); }
.feat p { margin: 0 !important; font-size: 14px !important; line-height: 1.7 !important; }
.feat .more { color: var(--muted) !important; padding-top: 8px; border-top: 1px dashed var(--hair); }
html:not([lang="ko"]):not([lang="ja"]):not([lang^="zh"]) .feat { -webkit-hyphens: auto; hyphens: auto; }
/* 비어 있는 자리: 무엇이 필요한지 적어 둔다 */
.need { display: flex; gap: 10px; align-items: baseline; margin: 12px 0 0; padding: 12px 14px; border: 1px dashed color-mix(in srgb, #d97706 55%, var(--hair)); border-radius: 10px; color: var(--muted); font-size: 13.5px; line-height: 1.6; max-width: 760px; }
.need::before { content: "필요"; flex: none; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em; color: #b45309; background: #fef3c7; padding: 1px 6px; border-radius: 4px; }
.shots { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; margin-top: 12px; max-width: 900px; }
.shot { aspect-ratio: 9 / 19; border: 1px dashed var(--hair); border-radius: 14px; display: grid; place-items: center; padding: 12px; text-align: center; font-size: 12px; line-height: 1.5; color: var(--faint); background: color-mix(in srgb, var(--paper) 60%, transparent); }
.ws .sec p.aside { margin-top: 18px; font-size: 14.5px; color: var(--muted); }
.soon-chip { display: inline-block; font-family: var(--mono); font-size: 10.5px; color: var(--faint); border: 1px solid var(--hair); border-radius: 4px; padding: 0 6px; margin-left: 6px; vertical-align: 2px; }
@media (max-width: 860px) {
  .flow li { grid-template-columns: 30px minmax(0, 1fr); gap: 0 10px; }
  .feat { padding: 15px 14px 13px; }
  .shots { grid-template-columns: repeat(2, 1fr); }
  .topnav { gap: 10px; font-size: 11.5px; }
  .topnav a { letter-spacing: 0.04em; }
}
.toc nav > div > .toc-group:first-child { margin-top: 18px; }

/* 제작 노트 2부: 운영 정보 */
.ws .sec h3.sub { font-size: 15px; margin: 26px 0 8px; }
.langs { margin: 0; max-width: 900px; border-top: 1px solid var(--hair); }
.langs div { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--hair); font-size: 14.5px; }
.langs dt { font-family: var(--mono); font-size: 12px; color: var(--faint); padding-top: 2px; }
.langs dd { margin: 0; color: var(--ink); }
@media (max-width: 560px) { .langs div { grid-template-columns: 92px minmax(0, 1fr); } }
html[lang="ko"] :is(.facts dt, .langs dt), html[lang="ja"] :is(.facts dt, .langs dt), html[lang^="zh"] :is(.facts dt, .langs dt) { font-family: var(--sans); letter-spacing: 0.01em; }

/* 화면 캡처 자리: 사진이 아직 없으면 배포된 사이트(zuz-lang 표시가 있는 페이지)에서는 숨긴다.
   로컬에서 원본을 열면 자리가 그대로 보인다. 사진(<img>)을 넣으면 자동으로 나타난다. */
:root:has(meta[name="zuz-lang"]) .shots:not(:has(img)) { display: none; }