@page {
  size: A4;
  margin: 18mm;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--qj-color-app-bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--qj-color-text-on-dark);
  background: #1a1a1a;
  font-family: var(--qj-font-body);
  font-size: var(--qj-text-md);
  line-height: var(--qj-leading-body);
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

.reader-app {
  display: grid;
  grid-template-rows: 56px minmax(0, 1fr);
  grid-template-columns: 280px minmax(0, 1fr) 96px;
  grid-template-areas:
    "nav nav nav"
    "left main right";
  min-height: 100vh;
  height: 100vh;
  overflow: hidden;
  transition: grid-template-columns 240ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

button,
.reader-stage {
  outline: none;
}

button:focus,
.reader-stage:focus {
  outline: none;
}

button:focus-visible {
  outline: 1px solid rgba(255, 255, 255, 0.4);
  outline-offset: 2px;
}

.reader-app.is-closed-left {
  grid-template-columns: 0 minmax(0, 1fr) 96px;
}

.reader-app.is-closed-right {
  grid-template-columns: 280px minmax(0, 1fr) 0;
}

.reader-app.is-closed-left.is-closed-right {
  grid-template-columns: 0 minmax(0, 1fr) 0;
}

.reader-app.is-closed-left .reader-bookmarks,
.reader-app.is-closed-right .reader-side-nav {
  display: none;
}

.reader-navbar {
  grid-area: nav;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 24px;
  gap: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(22, 22, 22, 0.6);
}

.navbar-section {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.navbar-left {
  justify-self: start;
}

.navbar-right {
  justify-self: end;
}

.navbar-brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
  color: var(--qj-color-text-on-dark);
  min-width: 0;
}

.navbar-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--qj-color-text-placeholder);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 150ms ease, color 150ms ease;
}

.navbar-icon:hover {
  opacity: 1;
  color: var(--qj-color-text-on-dark);
}

.navbar-icon[aria-pressed="false"] {
  opacity: 0.35;
}

.navbar-hints {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--qj-color-text-placeholder);
  font-size: 11px;
  letter-spacing: 0.1em;
  opacity: 0.7;
}

.navbar-hints .navbar-sep {
  color: var(--qj-color-border-strong);
}


.navbar-mark {
  font-family: var(--qj-font-serif);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.navbar-sub {
  font-size: 11px;
  color: var(--qj-color-text-placeholder);
  letter-spacing: 0.1em;
}

.navbar-actions {
  display: flex;
  gap: 8px;
  justify-self: end;
}

.navbar-btn {
  height: 32px;
  padding: 0 14px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--qj-color-text-secondary);
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: border-color 150ms, color 150ms;
}

.navbar-btn:hover {
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--qj-color-text-on-dark);
}

.reader-stage {
  grid-area: main;
  min-width: 0;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.reader-count {
  color: var(--qj-color-text-secondary);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.reader-pages {
  min-height: 0;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}

.reader-page {
  display: none;
  width: min(calc((100vh - 160px) * 210 / 297), calc(100% - 48px));
  aspect-ratio: 210 / 297;
  overflow: hidden;
  color: var(--qj-color-ink);
  background: var(--qj-color-document);
}

.reader-page.measurement {
  display: block !important;
  position: absolute;
  left: -99999px;
  top: 0;
  visibility: hidden;
  box-shadow: none;
  outline: 0;
}

.reader-page.is-active {
  display: block;
}

.reader-page.is-active.page-in-forward {
  animation: page-in-fwd 280ms cubic-bezier(0.33, 1, 0.68, 1) both;
}

.reader-page.is-active.page-in-backward {
  animation: page-in-bwd 280ms cubic-bezier(0.33, 1, 0.68, 1) both;
}

@keyframes page-in-fwd {
  0% { opacity: 0; transform: translateX(10px); }
  100% { opacity: 1; transform: translateX(0); }
}

@keyframes page-in-bwd {
  0% { opacity: 0; transform: translateX(-10px); }
  100% { opacity: 1; transform: translateX(0); }
}

.cover,
.toc,
.report-page,
.back-cover {
  padding: clamp(28px, 4vw, 48px);
}

.cover {
  grid-template-rows: auto 1fr auto;
  gap: 24px;
  background: var(--qj-color-document);
}

.reader-page.cover.is-active {
  display: grid;
}

.cover-kicker {
  color: var(--qj-color-muted);
  font-size: var(--qj-text-sm);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.cover-title-block {
  align-self: center;
  max-width: 760px;
}

.cover-title-block h1 {
  margin: 0;
  color: var(--qj-color-ink);
  font-family: var(--qj-font-serif);
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.15;
  letter-spacing: 0.01em;
  font-weight: 300;
}

.cover-title-block h1 span {
  display: block;
  margin-top: 5mm;
  color: var(--qj-color-muted);
  font-size: 0.4em;
  font-family: var(--qj-font-serif);
  font-weight: 300;
  letter-spacing: 0.08em;
}

.cover-subtitle {
  margin: var(--qj-space-3) 0 0;
  color: var(--qj-color-ink);
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.cover-summary {
  max-width: 680px;
  margin: var(--qj-space-4) 0 0;
  padding-left: 0;
  border-left: 0;
  color: var(--qj-color-muted);
  font-size: var(--qj-text-md);
  line-height: 1.85;
}

.cover-visual {
  margin-top: var(--qj-space-4);
}

.cover-visual figure {
  margin: 0;
}

.cover-visual img {
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border: 1px solid var(--qj-color-soft-line);
}

.toc h2 {
  margin-top: 0;
  font-family: var(--qj-font-serif);
  font-weight: 300;
  letter-spacing: 0.12em;
  font-size: var(--qj-text-xl);
  border-bottom: 0;
  padding-bottom: 0;
}

.toc h2::before {
  display: none;
}

.toc-list {
  display: flex;
  flex-direction: column;
  margin: var(--qj-space-4) 0 0;
  padding: 0;
  list-style: none;
}

.toc-list li {
  border-bottom: 1px solid var(--qj-color-line);
}

.toc-list a {
  display: grid;
  grid-template-columns: 8mm 1fr auto;
  gap: 4mm;
  align-items: baseline;
  color: var(--qj-color-ink);
  text-decoration: none;
  padding: 3.2mm 0;
  font-weight: 400;
  line-height: 1.5;
}

.toc-list a:hover .toc-title {
  color: var(--qj-color-muted);
}

.toc-level-3 a {
  color: var(--qj-color-muted);
  font-size: var(--qj-text-sm);
}

.toc-index {
  color: var(--qj-color-muted);
  font-variant-numeric: tabular-nums;
  font-weight: 400;
  letter-spacing: 0.04em;
}

.toc-title {
  color: var(--qj-color-ink);
}

.toc-page {
  color: var(--qj-color-muted);
  font-variant-numeric: tabular-nums;
  font-weight: 400;
  font-size: var(--qj-text-sm);
}

.report-body {
  background: var(--qj-color-paper);
}

h2,
h3,
h4 {
  break-after: avoid;
  color: var(--qj-color-ink);
  letter-spacing: 0.04em;
}

h2 {
  margin: 0 0 var(--qj-space-4);
  padding: 0;
  font-family: var(--qj-font-serif);
  font-size: clamp(18pt, 2.6vw, 22pt);
  line-height: 1.45;
  font-weight: 300;
  border: 0;
}

h2::before {
  content: "";
  display: block;
  width: 36px;
  height: 1px;
  background: var(--qj-color-ink);
  margin-bottom: var(--qj-space-4);
}

h2 + p,
h2 + h3 {
  margin-top: var(--qj-space-3);
}

h3 {
  margin: var(--qj-space-4) 0 var(--qj-space-2);
  font-family: var(--qj-font-serif);
  font-size: var(--qj-text-lg);
  line-height: 1.55;
  font-weight: 400;
  color: var(--qj-color-ink);
  letter-spacing: 0.03em;
}

h4 {
  margin: var(--qj-space-3) 0 var(--qj-space-1);
  font-family: var(--qj-font-body);
  font-size: var(--qj-text-md);
  font-weight: 500;
  color: var(--qj-color-muted);
  letter-spacing: 0.04em;
}

p {
  margin: 0 0 var(--qj-space-2);
  line-height: 1.85;
}

strong {
  font-weight: 600;
  color: var(--qj-color-ink);
}

.caption {
  margin-top: -1mm;
  color: var(--qj-color-muted);
  font-size: var(--qj-text-xs);
  line-height: 1.5;
  letter-spacing: 0.02em;
}

figcaption {
  margin-top: 2mm;
  color: var(--qj-color-muted);
  font-size: var(--qj-text-xs);
  line-height: 1.5;
  letter-spacing: 0.02em;
  text-align: center;
}

ol,
ul {
  margin: 0 0 var(--qj-space-3);
  padding-left: 7mm;
}

li {
  margin: 0 0 1.4mm;
  padding-left: 1mm;
}

figure {
  break-inside: avoid;
  margin: var(--qj-space-4) 0 var(--qj-space-2);
}

figure img {
  display: block;
  max-width: 100%;
  max-height: 135mm;
  margin: 0 auto;
  border: 1px solid var(--qj-color-soft-line);
  background: var(--qj-color-surface);
}

table {
  width: 100%;
  margin: var(--qj-space-3) 0 var(--qj-space-4);
  border-collapse: collapse;
  border: 0;
  border-top: 1px solid var(--qj-color-ink);
  border-bottom: 1px solid var(--qj-color-ink);
  background: transparent;
  font-size: var(--qj-text-xs);
  line-height: var(--qj-leading-table);
  break-inside: avoid;
}

table.figure-grid {
  border: 0;
  background: transparent;
}

table.figure-grid td {
  border: 0;
  padding: 0 2.5mm 3mm 0;
  vertical-align: top;
}

table.figure-grid figure {
  margin-top: 0;
}

.back-cover {
  flex-direction: column;
  justify-content: center;
  gap: var(--qj-space-3);
}

.reader-page.back-cover.is-active {
  display: flex;
}

.back-cover p {
  margin: 0;
}

.back-cover p:first-of-type {
  color: var(--qj-color-ink);
  font-family: var(--qj-font-serif);
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.6;
  font-weight: 300;
  letter-spacing: 0.04em;
}

.back-cover p:nth-of-type(2) {
  color: var(--qj-color-muted);
  font-size: var(--qj-text-md);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.back-cover figure {
  margin: var(--qj-space-3) 0;
}

.back-cover figure img {
  width: 100%;
  max-height: 92mm;
  object-fit: cover;
}

thead {
  display: table-header-group;
}

th,
td {
  padding: 2.4mm 2.4mm;
  border: 0;
  border-bottom: 1px solid var(--qj-color-line);
  vertical-align: top;
}

th {
  color: var(--qj-color-ink);
  background: transparent;
  border-bottom: 1px solid var(--qj-color-ink);
  text-align: left;
  font-weight: 500;
  letter-spacing: 0.02em;
}

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

td.numeric,
th.numeric {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

code {
  font-family: var(--qj-font-mono);
  font-size: 0.92em;
}

hr {
  margin: var(--qj-space-4) 0;
  border: 0;
  border-top: 1px solid var(--qj-color-line);
}

.reader-side-nav {
  grid-area: right;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 24px 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--qj-color-text-placeholder);
  font-size: 13px;
  letter-spacing: 0.06em;
  user-select: none;
}

.reader-side-nav button {
  width: 36px;
  height: 36px;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  padding: 0;
  opacity: 0.6;
  transition: opacity 150ms ease;
}

.reader-side-nav [data-reader-prev]::before { content: "↑"; }
.reader-side-nav [data-reader-next]::before { content: "↓"; }

@media screen and (max-width: 767px) {
  .reader-side-nav [data-reader-prev]::before { content: "←"; }
  .reader-side-nav [data-reader-next]::before { content: "→"; }
}

.reader-side-nav button:hover:not(:disabled) {
  opacity: 1;
}

.reader-side-nav button:disabled {
  opacity: 0.18;
  cursor: not-allowed;
}

.reader-progress-track {
  width: 2px;
  height: 320px;
  background: rgba(255, 255, 255, 0.12);
  position: relative;
}

.reader-progress-track .reader-progress-fill {
  position: absolute;
  top: 0;
  left: -1px;
  width: 4px;
  height: var(--progress, 0%);
  background: rgba(255, 255, 255, 0.6);
  transition: height 320ms cubic-bezier(0.22, 0.61, 0.36, 1),
              width 320ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.reader-side-count {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.08em;
  opacity: 0.7;
}

.reader-side-count .sep {
  color: var(--qj-color-border-strong);
  font-size: 10px;
}

.reader-side-hint {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.1em;
  opacity: 0.4;
  text-align: center;
  line-height: 1.6;
}

.reader-bookmarks {
  grid-area: left;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  padding: 24px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.reader-bookmarks::-webkit-scrollbar {
  width: 4px;
}
.reader-bookmarks::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
}

.bookmark-group {
  display: flex;
  flex-direction: column;
}

.bookmark-item {
  display: grid;
  gap: 10px;
  align-items: baseline;
  padding: 7px 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  letter-spacing: 0.02em;
  color: var(--qj-color-text-secondary);
  transition: color 150ms ease;
}

.bookmark-h2 {
  grid-template-columns: 26px 1fr;
  font-size: 14.5px;
  line-height: 1.5;
  font-weight: 400;
  opacity: 0.7;
  padding: 8px 0;
}

.bookmark-h2:hover {
  opacity: 1;
}

.bookmark-h2.is-active {
  opacity: 1;
  color: var(--qj-color-text-on-dark);
}

.bookmark-h3 {
  grid-template-columns: 28px 1fr;
  padding: 6px 0;
  margin-left: 36px;
  font-size: 12.5px;
  line-height: 1.45;
  opacity: 0.5;
  color: var(--qj-color-text-placeholder);
}

.bookmark-h3:hover {
  opacity: 0.85;
}

.bookmark-h3.is-active {
  opacity: 1;
  color: var(--qj-color-text-on-dark);
}

.bookmark-index {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  color: inherit;
}

.bookmark-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: inherit;
}

.bookmark-h3 .bookmark-title {
  -webkit-line-clamp: 1;
}

.bookmark-subs {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  max-height: 0;
  transition: max-height 220ms ease;
}

.bookmark-group.is-open .bookmark-subs {
  max-height: 800px;
}

.bookmark-item:focus-visible {
  outline: 1px solid var(--qj-color-focus);
  outline-offset: 2px;
}


.reader-thumbs {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  align-content: start;
  gap: 24px;
  padding: 48px;
  overflow-y: auto;
  background: rgba(15, 15, 15, 0.96);
  backdrop-filter: blur(18px);
  animation: thumbs-in 140ms ease-out both;
}

.reader-thumbs[hidden] {
  display: none;
}

@keyframes thumbs-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.thumb-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0;
  margin: 0;
  background: transparent;
  border: 0;
  color: var(--qj-color-text-secondary);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}

.thumb-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 210 / 297;
  overflow: hidden;
  background: var(--qj-color-document);
  outline: 1px solid var(--qj-color-border-subtle);
  outline-offset: 0;
  transition: outline-color 120ms ease, transform 120ms ease;
}

.thumb-item:hover .thumb-frame {
  outline-color: var(--qj-color-text-secondary);
  transform: translateY(-2px);
}

.thumb-item.is-active .thumb-frame {
  outline: 1px solid var(--qj-color-text-on-dark);
}

.thumb-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 980px;
  transform-origin: 0 0;
  pointer-events: none;
}

.thumb-label {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 12px;
  line-height: 1.35;
  color: var(--qj-color-text-secondary);
}

.thumb-index {
  flex-shrink: 0;
  color: var(--qj-color-text-placeholder);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.06em;
}

.thumb-title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.thumb-item.is-active .thumb-label {
  color: var(--qj-color-text-on-dark);
}

.thumb-item:focus-visible .thumb-frame {
  outline: 2px solid var(--qj-color-focus);
}

body.thumbs-open {
  overflow: hidden;
}

@media screen and (min-width: 768px) and (max-width: 1199px) {
  .reader-app {
    grid-template-columns: minmax(0, 1fr) 84px;
    grid-template-areas:
      "nav nav"
      "main right";
  }

  .reader-bookmarks {
    display: none;
  }

  .reader-side-nav {
    padding: 24px 8px;
    gap: 14px;
  }

  .reader-progress-track {
    height: 220px;
  }

  .reader-page {
    width: min(calc((100vh - 160px) * 210 / 297), calc(100% - 32px));
  }
}

@media screen and (max-width: 767px) {
  .reader-app {
    grid-template-rows: 52px minmax(0, 1fr);
    grid-template-columns: 1fr;
    grid-template-areas:
      "nav"
      "main";
  }

  .reader-bookmarks,
  .reader-side-nav {
    display: none;
  }

  .reader-navbar {
    padding: 0 14px;
    grid-template-columns: 1fr auto;
  }

  .navbar-sub,
  .navbar-hints,
  .navbar-icon,
  [data-reader-thumbs] {
    display: none;
  }

  .navbar-mark {
    font-size: 16px;
  }

  .navbar-btn {
    height: 28px;
    padding: 0 10px;
    font-size: 10px;
    letter-spacing: 0.08em;
  }

  .reader-stage {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    display: block;
    align-items: stretch;
    justify-content: flex-start;
  }

  .reader-pages {
    display: block;
    padding: 12px;
    height: auto;
    place-items: stretch;
  }

  .reader-page,
  .reader-page.is-active,
  .reader-page.cover.is-active,
  .reader-page.back-cover.is-active {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: auto;
    max-height: none;
    margin: 0 0 18px;
    background: var(--qj-color-document);
    animation: none !important;
    transform: none !important;
  }

  .reader-page.measurement {
    display: none !important;
  }

  .cover,
  .toc,
  .report-page,
  .back-cover {
    padding: clamp(16px, 5vw, 24px);
  }

  h2 {
    font-size: clamp(15pt, 4vw, 19pt);
    margin-bottom: var(--qj-space-3);
  }

  h2::before {
    margin-bottom: var(--qj-space-3);
    width: 24px;
  }

  h3 {
    margin: var(--qj-space-3) 0 var(--qj-space-1);
    font-size: 11pt;
  }

  p, ol, ul {
    font-size: 9.5pt;
  }

  table {
    font-size: 8pt;
  }

  th, td {
    padding: 1.4mm 1.6mm;
  }

  .toc-list a {
    grid-template-columns: 8mm 1fr auto;
    padding: 2.4mm 0;
    font-size: 10.5pt;
  }

  .reader-thumbs {
    padding: 16px;
    gap: 12px;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  .thumb-label {
    font-size: 10px;
  }
}

@media print {
  html,
  body {
    background: #fff;
  }

  .reader-app {
    display: block;
    height: auto;
    overflow: visible;
    grid-template-columns: none !important;
    grid-template-rows: none !important;
    grid-template-areas: none !important;
  }

  .reader-navbar,
  .reader-side-nav,
  .reader-bookmarks,
  .reader-thumbs {
    display: none !important;
  }

  .reader-stage,
  .reader-pages {
    display: block;
    padding: 0;
    perspective: none;
  }

  .reader-page,
  .reader-page.is-active {
    display: block;
    width: auto;
    aspect-ratio: auto;
    max-height: none;
    overflow: visible;
    box-shadow: none;
    outline: 0;
    break-after: page;
    animation: none !important;
    transform: none !important;
  }

  .cover,
  .toc,
  .report-page,
  .back-cover {
    padding: 0;
  }

  .cover {
    min-height: auto;
    break-after: page;
  }

  a {
    color: inherit;
  }
}