body.chapter-book.futsuken-reference-reader--redesign {
  --futsuken-reference-fixed-header-height: calc(60px + env(safe-area-inset-top));
  --reference-green: #17633f;
  --reference-green-dark: #114d32;
  --reference-green-soft: #e9f2eb;
  --reference-cream: #fbf7ed;
  --reference-surface: #fffdf8;
  --reference-line: rgba(34, 92, 61, 0.18);
  --reference-text: #20372c;
  --reference-muted: #627064;
  overflow-x: hidden;
  background: var(--reference-cream);
}

body.chapter-book.futsuken-reference-reader--redesign.is-reader-toc-open {
  overflow: hidden;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader,
body.chapter-book.futsuken-reference-reader--redesign .reference-reader__chapter,
body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson {
  min-width: 0;
  max-width: 100%;
  overflow-x: clip;
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-reference-reader__fixed-topbar {
  padding-top: env(safe-area-inset-top);
  border-bottom: 1px solid var(--reference-line);
  background: rgba(255, 253, 248, 0.98);
  box-shadow: 0 4px 18px rgba(32, 55, 44, 0.06);
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 46px;
  grid-template-areas: "grades search";
  align-items: center;
  gap: 8px;
  width: min(100%, 760px);
  min-height: 0;
  margin: 0 auto;
  padding: 7px 10px;
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__brand {
  grid-area: brand;
  min-height: 44px;
  gap: 9px;
  overflow: hidden;
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__brand-icon {
  width: 30px;
  height: 30px;
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__brand-copy strong {
  display: block;
  overflow: hidden;
  color: var(--reference-green-dark);
  font-size: 1rem;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__actions {
  display: contents;
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__search {
  grid-area: search;
  align-self: center;
  width: 46px;
  min-width: 46px;
  height: 46px;
  min-height: 46px;
  padding: 0;
  border-color: var(--reference-line);
  border-radius: 8px;
  background: var(--reference-surface);
  color: var(--reference-green-dark);
  cursor: pointer;
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__search:hover,
body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__search:focus-visible {
  border-color: rgba(23, 99, 63, 0.48);
  background: var(--reference-green-soft);
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__search .futsuken-ui-icon {
  width: 23px;
  height: 23px;
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__search-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__grade-tabs {
  grid-area: grades;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  width: 100%;
  padding: 2px;
  border: 1px solid var(--reference-line);
  border-radius: 16px;
  background: rgba(255, 253, 248, 0.94);
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__grade {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 0 4px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: #40554a;
  font-size: 0.82rem;
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__grade.is-active {
  background: var(--reference-green);
  color: #fff;
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__grade--disabled {
  background: transparent;
  color: #a4aaa4;
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__grade:hover,
body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__grade:focus-visible {
  background: rgba(23, 99, 63, 0.08);
}

body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__grade.is-active:hover,
body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__grade.is-active:focus-visible {
  background: var(--reference-green);
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader {
  width: min(calc(100% - 24px), 760px);
  margin: 0 auto !important;
  gap: 12px;
  padding-top: max(44px, calc(var(--futsuken-reference-fixed-header-height) - 18px)) !important;
  padding-bottom: calc(var(--futsuken-fixed-bottom-height) + 20px + env(safe-area-inset-bottom)) !important;
}

body.chapter-book.futsuken-reference-reader--redesign.grade3-reference-reader .reference-reader {
  padding-top: calc(var(--futsuken-reference-fixed-header-height) + 6px) !important;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__chapter,
body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson {
  scroll-margin-top: calc(var(--futsuken-reference-fixed-header-height) + 10px) !important;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__toc {
  width: 100%;
  margin: 0 0 2px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__toc-list {
  display: flex;
  gap: 22px;
  width: 100%;
  min-width: 0;
  padding: 0 0 3px;
  border-bottom: 1px solid var(--reference-line);
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__toc-list::-webkit-scrollbar {
  display: none;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__toc-link {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: auto;
  min-width: 54px;
  min-height: 44px;
  padding: 0 2px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #40554a;
  box-shadow: none;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__toc-link.is-active {
  background: transparent;
  color: var(--reference-green-dark);
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__toc-link:hover {
  background: rgba(23, 99, 63, 0.07);
  transform: none;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__toc-link::after {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 0;
  left: 4px;
  height: 3px;
  border-radius: 999px;
  background: transparent;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__toc-link.is-active::after {
  background: var(--reference-green);
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__toc-no {
  display: none;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__toc-title {
  display: inline;
  color: inherit;
  font-size: 0.84rem;
  font-weight: 800;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__chapter {
  display: grid;
  gap: 16px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson {
  display: grid;
  gap: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson-top {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border: 1px solid var(--reference-line);
  border-bottom: 0;
  border-radius: 16px 16px 0 0;
  background: var(--reference-surface);
  box-shadow: 0 7px 20px rgba(32, 55, 44, 0.06);
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson-chapter {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 5px 9px;
  margin: 0;
  color: var(--reference-muted);
  font-size: 0.76rem;
  line-height: 1.4;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson-chapter span {
  color: var(--reference-green);
  font-weight: 800;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson-chapter strong {
  color: var(--reference-text);
  font-weight: 700;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson-heading-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson-title {
  min-width: 0;
  margin: 0;
  color: var(--reference-green-dark);
  font-size: 1.2rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson-progress {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--reference-green-soft);
  color: var(--reference-green-dark);
  font-size: 0.76rem;
  font-weight: 800;
  white-space: nowrap;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson-summary {
  margin: 0;
  color: var(--reference-muted);
  font-size: 0.84rem;
  line-height: 1.6;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-slideboard--common {
  margin: 0;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-slideboard--common > .reference-reader-slideboard__tabs {
  display: block;
  margin: 0;
  padding: 4px;
  border: 1px solid var(--reference-line);
  border-bottom: 0;
  border-radius: 0;
  background: #f3eee2;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-slideboard--common > .reference-reader-slideboard__tabs > .reference-reader-slideboard__arrow {
  display: none;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-slideboard--common .reference-reader-slideboard__tablist {
  display: grid;
  grid-template-columns: repeat(var(--slide-count, 4), minmax(0, 1fr));
  gap: 4px;
  width: 100%;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-slideboard--common .reference-reader-slideboard__tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 44px;
  padding: 0 5px;
  border: 0;
  border-radius: 6px;
  background: var(--reference-surface);
  color: var(--reference-text);
  box-shadow: none;
  font-size: 0.82rem;
  line-height: 1.15;
  white-space: nowrap;
  transition: background-color 180ms ease, color 180ms ease;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-slideboard--common .reference-reader-slideboard__tab.is-active,
body.chapter-book.futsuken-reference-reader--redesign .reference-reader-slideboard--common .reference-reader-slideboard__tab[aria-current="true"] {
  background: var(--reference-green);
  color: #fff;
  box-shadow: none;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-slideboard--common .reference-reader-slideboard__viewport {
  border-color: var(--reference-line);
  border-radius: 0 0 16px 16px;
  background: var(--reference-surface);
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-slideboard__fullscreen-button {
  min-height: 44px;
  border-color: rgba(23, 99, 63, 0.36);
  border-radius: 8px;
  color: var(--reference-green-dark);
}

/* slide-reader.css is loaded after this file; keep these reader-only overrides more specific. */
body.chapter-book.futsuken-reference-reader.futsuken-reference-reader--redesign .reference-reader__lesson-top--slideboard {
  display: grid;
  align-items: stretch;
  justify-content: stretch;
  gap: 8px;
  padding: 16px 18px;
  background: var(--reference-surface);
}

body.chapter-book.futsuken-reference-reader.futsuken-reference-reader--redesign .reference-reader__lesson-top--slideboard .reference-reader__lesson-title {
  min-width: 0;
  color: var(--reference-green-dark);
  font-size: 1.2rem;
  line-height: 1.35;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}

body.chapter-book.futsuken-reference-reader.futsuken-reference-reader--redesign .reference-reader-slideboard--common > .reference-reader-slideboard__tabs {
  display: block;
  min-height: 0;
  padding: 4px;
  background: #f3eee2;
}

body.chapter-book.futsuken-reference-reader.futsuken-reference-reader--redesign .reference-reader-slideboard--common > .reference-reader-slideboard__tabs > .reference-reader-slideboard__arrow {
  display: none;
}

body.chapter-book.futsuken-reference-reader.futsuken-reference-reader--redesign .reference-reader-slideboard--common .reference-reader-slideboard__tablist {
  display: grid;
  grid-template-columns: none;
  grid-auto-flow: column;
  grid-auto-columns: minmax(72px, 1fr);
  gap: 4px;
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

body.chapter-book.futsuken-reference-reader.futsuken-reference-reader--redesign .reference-reader-slideboard--common .reference-reader-slideboard__tablist::-webkit-scrollbar {
  display: none;
}

body.chapter-book.futsuken-reference-reader.futsuken-reference-reader--redesign .reference-reader-slideboard--common .reference-reader-slideboard__tab {
  min-height: 44px;
  padding: 0 5px;
  border-radius: 6px;
  background: var(--reference-surface);
  color: var(--reference-text);
}

body.chapter-book.futsuken-reference-reader.futsuken-reference-reader--redesign .reference-reader-slideboard--common .reference-reader-slideboard__tab.is-active,
body.chapter-book.futsuken-reference-reader.futsuken-reference-reader--redesign .reference-reader-slideboard--common .reference-reader-slideboard__tab[aria-current="true"] {
  background: var(--reference-green);
  color: #fff;
  box-shadow: none;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader__skip-notice,
body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__skip {
  margin: 8px 0;
  padding: 10px 12px;
  border: 1px solid var(--reference-line);
  border-radius: 8px;
  background: var(--reference-surface);
  color: var(--reference-text);
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay[hidden],
body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__panel[hidden] {
  display: none;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  align-items: end;
  justify-items: center;
}

body.chapter-book.futsuken-reference-reader.futsuken-reference-reader--redesign .reference-reader-toc-overlay {
  padding: 0;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 34, 27, 0.48);
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__sheet {
  position: relative;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  width: min(100%, 760px);
  max-height: min(85dvh, 760px);
  min-height: min(65dvh, 560px);
  padding-bottom: env(safe-area-inset-bottom);
  border: 1px solid var(--reference-line);
  border-bottom: 0;
  border-radius: 22px 22px 0 0;
  background: var(--reference-cream);
  box-shadow: 0 -12px 36px rgba(17, 42, 29, 0.18);
  overflow: hidden;
  animation: reference-toc-enter 180ms ease-out;
}

body.chapter-book.futsuken-reference-reader.futsuken-reference-reader--redesign .reference-reader-toc-overlay__sheet {
  width: min(100%, 760px);
  max-width: 100%;
  margin: 0;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__handle {
  position: absolute;
  z-index: 2;
  top: 8px;
  left: 50%;
  width: 38px;
  height: 4px;
  border-radius: 999px;
  background: rgba(32, 55, 44, 0.2);
  transform: translateX(-50%);
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__header {
  position: sticky;
  z-index: 1;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 15px 14px 7px 18px;
  border-bottom: 1px solid var(--reference-line);
  background: var(--reference-surface);
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__header h2 {
  margin: 0;
  color: var(--reference-green-dark);
  font-size: 1.12rem;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-width: 72px;
  min-height: 44px;
  padding: 0 10px;
  border: 1px solid var(--reference-line);
  border-radius: 8px;
  background: var(--reference-surface);
  color: var(--reference-green-dark);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__close svg {
  width: 18px;
  height: 18px;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__chapters {
  display: flex;
  gap: 7px;
  min-width: 0;
  padding: 10px 14px;
  border-bottom: 1px solid var(--reference-line);
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  background: var(--reference-cream);
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__chapters::-webkit-scrollbar {
  display: none;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__chapter {
  flex: 0 0 auto;
  min-width: 68px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--reference-line);
  border-radius: 8px;
  background: var(--reference-surface);
  color: var(--reference-muted);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 800;
  cursor: pointer;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__chapter.is-active {
  border-color: var(--reference-green);
  background: var(--reference-green);
  color: #fff;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__panels {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__panel:not([hidden]) {
  display: grid;
  gap: 12px;
  padding: 16px 14px 24px;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__panel-head {
  display: grid;
  gap: 5px;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__panel-eyebrow,
body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__panel-title,
body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__panel-subtitle {
  margin: 0;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__panel-eyebrow {
  color: var(--reference-green);
  font-size: 0.74rem;
  font-weight: 800;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__panel-title {
  color: var(--reference-text);
  font-size: 1.08rem;
  line-height: 1.35;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__panel-subtitle {
  color: var(--reference-muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__panel-list {
  display: grid;
  gap: 8px;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__lesson-link {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 8px 10px;
  border: 1px solid var(--reference-line);
  border-radius: 8px;
  background: var(--reference-surface);
  color: var(--reference-text);
  text-decoration: none;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__lesson-link.is-current {
  border-color: rgba(23, 99, 63, 0.34);
  background: var(--reference-green-soft);
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__lesson-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #f0eadf;
  color: var(--reference-green-dark);
  font-size: 0.8rem;
  font-weight: 800;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__lesson-title {
  min-width: 0;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__lesson-chevron {
  width: 18px;
  height: 18px;
  color: var(--reference-muted);
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-chapter-end {
  display: grid;
  gap: 10px;
  margin-top: 8px;
  padding: 12px;
  border-top: 1px solid var(--reference-line);
  border-bottom: 1px solid var(--reference-line);
  background: rgba(255, 253, 248, 0.72);
}

body.chapter-book.futsuken-reference-reader--redesign .reference-reader-chapter-end__eyebrow {
  text-align: center;
}

@keyframes reference-toc-enter {
  from { transform: translateY(24px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@media (min-width: 760px) {
  body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__inner {
    grid-template-columns: minmax(0, 560px) 46px;
    grid-template-areas: "grades search";
    align-items: center;
    justify-content: center;
    min-height: 0;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  body.chapter-book.futsuken-reference-reader--redesign .futsuken-fixed-topbar__grade-tabs {
    align-self: center;
  }

  body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__sheet {
    min-height: min(70dvh, 620px);
  }
}

@media (max-width: 640px) {
  body.chapter-book.futsuken-reference-reader--redesign .reference-reader {
    width: calc(100% - 16px);
    gap: 12px;
  }

  body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson-top {
    padding: 14px 13px;
  }

  body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson-heading-row {
    gap: 8px;
  }

  body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson-title {
    font-size: 1.06rem;
  }

  body.chapter-book.futsuken-reference-reader--redesign .reference-reader__lesson-progress {
    min-height: 26px;
    padding: 0 8px;
    font-size: 0.72rem;
  }

  body.chapter-book.futsuken-reference-reader--redesign .reference-reader-slideboard--common .reference-reader-slideboard__tab {
    padding-inline: 2px;
    font-size: 0.76rem;
  }

  body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__sheet {
    width: 100%;
    max-height: 85dvh;
    min-height: 72dvh;
  }

  body.chapter-book.futsuken-reference-reader--redesign .reference-reader-chapter-end {
    padding: 10px 6px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.chapter-book.futsuken-reference-reader--redesign .reference-reader-slideboard--common .reference-reader-slideboard__tab {
    transition: none;
  }

  body.chapter-book.futsuken-reference-reader--redesign .reference-reader-toc-overlay__sheet {
    animation: none;
  }
}

/* Grade 5 reference pages use the available reading width without widening other readers. */
body.chapter-book.grade5-reference-reader.futsuken-reference-reader--redesign .futsuken-fixed-topbar__inner {
  width: min(100%, 1040px);
}

body.chapter-book.grade5-reference-reader.futsuken-reference-reader--redesign .reference-reader {
  width: min(1040px, calc(100% - 32px));
  padding-bottom: calc(var(--futsuken-fixed-bottom-height, 72px) + 40px + env(safe-area-inset-bottom)) !important;
}

@media (max-width: 640px) {
  body.chapter-book.grade5-reference-reader.futsuken-reference-reader--redesign .reference-reader {
    width: calc(100% - 20px);
    padding-bottom: calc(var(--futsuken-fixed-bottom-height, 72px) + 32px + env(safe-area-inset-bottom)) !important;
  }
}