:root {
  --navy-950: #0d1b2e;
  --navy-900: #13253f;
  --navy-800: #1b3355;
  --ink: #18304d;
  --paper: #fbfaf6;
  --white: #ffffff;
  --line: #d8d6cd;
  --muted: #667085;
  --coral: #e8613c;
  --coral-soft: #f9ddd5;
  --blue: #2f7fb8;
  --blue-soft: #dbeefa;
  --green: #4f8b59;
  --green-soft: #dcebdc;
  --yellow: #e7b72f;
  --yellow-soft: #fbefbd;
  --header-height: 68px;
  --nav-width: 168px;
  --content-width: 1160px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: rgba(255, 255, 255, 0.18);
  content: "";
  pointer-events: none;
}

img {
  display: block;
  max-width: 100%;
}

button,
textarea,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
textarea:focus-visible,
input:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 8px 14px;
  background: var(--navy-950);
  color: var(--white);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.topbar {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(140px, 420px) minmax(220px, 1fr);
  align-items: center;
  min-height: var(--header-height);
  padding: 8px 20px;
  border-bottom: 1px solid rgba(24, 48, 77, 0.14);
  background: rgba(251, 250, 246, 0.96);
  backdrop-filter: blur(12px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  color: var(--navy-950);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.wordmark__mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 2px solid var(--navy-950);
  border-radius: 50%;
  background: var(--yellow);
  font-size: 16px;
  line-height: 1;
  transform: rotate(-4deg);
}

.read-progress {
  width: 100%;
  height: 3px;
  overflow: hidden;
  background: #e7e4dc;
}

.read-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--coral);
  transition: width 180ms ease-out;
}

.mode-switch {
  justify-self: end;
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(78px, 1fr));
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.mode-switch__button {
  min-height: 34px;
  padding: 4px 12px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.mode-switch__button.is-active {
  background: var(--navy-900);
  color: var(--white);
}

.chapter-nav {
  position: fixed;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  z-index: 80;
  display: flex;
  width: var(--nav-width);
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding: 24px 16px;
  border-right: 1px solid rgba(24, 48, 77, 0.12);
  background: var(--paper);
}

.chapter-nav a {
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: center;
  min-height: 46px;
  padding: 7px 8px;
  border-radius: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.chapter-nav a span {
  color: var(--coral);
  font-size: 10px;
}

.chapter-nav a:hover,
.chapter-nav a.is-current {
  background: var(--white);
  color: var(--navy-950);
  transform: translateX(3px);
}
.mobile-menu-toggle {
  display: none;
}

#book,
.book-footer {
  margin-left: var(--nav-width);
}

.chapter {
  position: relative;
  scroll-margin-top: var(--header-height);
}

.hero {
  min-height: calc(100vh - var(--header-height));
  margin-top: var(--header-height);
  overflow: hidden;
  background: #f8f4e9;
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  width: min(46%, 590px);
  min-height: calc(100vh - var(--header-height));
  flex-direction: column;
  justify-content: center;
  padding: clamp(48px, 7vw, 100px);
  padding-right: 24px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.3;
}

.hero h1 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(48px, 6.4vw, 94px);
  font-weight: 800;
  line-height: 1.04;
}

.hero__lead {
  margin: 24px 0 0;
  color: var(--navy-800);
  font-size: clamp(20px, 2vw, 30px);
  font-weight: 700;
  line-height: 1.55;
}

.hero__intro {
  margin: 20px 0 0;
  color: #42526a;
  font-size: 14px;
  line-height: 1.9;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 9px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  border-color: var(--navy-950);
  background: var(--navy-950);
  color: var(--white);
  box-shadow: 4px 4px 0 var(--yellow);
}

.button--secondary {
  border-color: var(--navy-950);
  background: rgba(255, 255, 255, 0.74);
  color: var(--navy-950);
}

.button--quiet {
  border-color: var(--line);
  background: var(--white);
  color: var(--ink);
}

.icon-button {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--navy-950);
  border-radius: 50%;
  background: var(--white);
  color: var(--navy-950);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
}

.next-peek {
  position: absolute;
  right: 26px;
  bottom: 22px;
  z-index: 3;
  display: grid;
  padding: 12px 16px;
  border-left: 3px solid var(--coral);
  background: rgba(255, 255, 255, 0.84);
  color: var(--navy-950);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
}

.next-peek span {
  color: var(--muted);
  font-size: 10px;
}

.section {
  min-height: 100vh;
  padding: clamp(88px, 10vw, 140px) clamp(28px, 6vw, 84px);
  border-bottom: 1px solid rgba(24, 48, 77, 0.12);
}

.section__inner {
  width: min(100%, var(--content-width));
  margin: 0 auto;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(320px, 1.2fr) minmax(260px, 0.8fr);
  column-gap: clamp(40px, 8vw, 120px);
  align-items: end;
  margin-bottom: clamp(48px, 7vw, 84px);
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
}

.section-heading h2 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(34px, 4.5vw, 64px);
  line-height: 1.18;
  overflow-wrap: normal;
  word-break: keep-all;
}

.title-keep {
  white-space: nowrap;
}

.section-heading > p:last-child {
  margin: 0;
  color: #4b5d74;
  font-size: 15px;
  line-height: 2;
}

.section-heading--compact {
  grid-template-columns: 1fr;
  gap: 14px;
  max-width: 850px;
}

.section-heading--compact .eyebrow {
  margin-bottom: 0;
}

.section-heading--compact > p:last-child {
  max-width: 700px;
}


.section--mission {
  background: linear-gradient(180deg, #f7faf8 0%, var(--paper) 100%);
}

.section--vision {
  background: linear-gradient(180deg, #f6fbfc 0%, var(--paper) 100%);
}

.mission-layout {
  display: grid;
  grid-template-columns: minmax(460px, 1.06fr) minmax(360px, 0.94fr);
  gap: clamp(36px, 6vw, 78px);
  align-items: center;
}

.mission-figure {
  margin: 0;
}

.mission-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(24, 48, 77, 0.14);
  border-radius: 8px;
  background: var(--white);
  object-fit: cover;
  object-position: center;
  box-shadow: 8px 8px 0 rgba(79, 139, 89, 0.16);
}

.mission-figure figcaption {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 3px solid var(--green);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.mission-statements {
  display: grid;
  gap: 26px;
}

.mission-statement {
  padding: 0 0 0 24px;
  border-left: 4px solid var(--coral);
}

.mission-statement--vision {
  border-left-color: var(--blue);
}

.mission-statement__label {
  margin: 0 0 10px;
  color: var(--coral);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.mission-statement--vision .mission-statement__label {
  color: var(--blue);
}

.mission-statement h3 {
  margin: 0 0 12px;
  color: var(--navy-950);
  font-size: clamp(24px, 2.2vw, 34px);
  line-height: 1.45;
  word-break: keep-all;
  overflow-wrap: normal;
}

.mission-statement p:last-child {
  margin: 0;
  color: #4b5d74;
  font-size: 14px;
  line-height: 2;
}

.mission-bridge {
  margin: 4px 0 0;
  padding: 18px 20px;
  border-left: 4px solid var(--yellow);
  background: rgba(255, 255, 255, 0.72);
  color: var(--navy-900);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.9;
}


.section--communication {
  background: linear-gradient(180deg, #fffdf8 0%, #eef4f4 100%);
}

.communication-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 28px);
}

.communication-card {
  position: relative;
  min-width: 0;
  min-height: 330px;
  padding: clamp(24px, 3vw, 34px);
  border: 2px solid var(--navy-950);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--navy-900);
  box-shadow: 7px 7px 0 rgba(24, 48, 77, 0.1);
}

.communication-card__number {
  display: inline-grid;
  width: 48px;
  height: 48px;
  place-items: center;
  margin-bottom: 26px;
  border: 2px solid var(--navy-950);
  border-radius: 50%;
  background: var(--yellow);
  color: var(--navy-950);
  font-size: 14px;
  font-weight: 900;
  line-height: 1;
  transform: rotate(-4deg);
}

.communication-card h3 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(22px, 2.1vw, 30px);
  line-height: 1.36;
  word-break: normal;
  overflow-wrap: anywhere;
}

.communication-card p {
  margin: 18px 0 0;
  color: #4b5d74;
  font-size: 14px;
  line-height: 1.95;
}

.communication-card--coral {
  background: linear-gradient(180deg, rgba(249, 221, 213, 0.72), rgba(255, 255, 255, 0.9));
  box-shadow: 7px 7px 0 rgba(232, 97, 60, 0.18);
}

.communication-card--blue {
  background: linear-gradient(180deg, rgba(219, 238, 250, 0.82), rgba(255, 255, 255, 0.9));
  box-shadow: 7px 7px 0 rgba(47, 127, 184, 0.16);
}

.communication-card--green {
  background: linear-gradient(180deg, rgba(220, 235, 220, 0.82), rgba(255, 255, 255, 0.9));
  box-shadow: 7px 7px 0 rgba(79, 139, 89, 0.18);
}

.communication-bridge {
  max-width: 940px;
  margin: clamp(26px, 4vw, 42px) auto 0;
  padding: 18px 22px;
  border-left: 4px solid var(--yellow);
  background: rgba(255, 255, 255, 0.72);
  color: var(--navy-900);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.9;
}
.section--direction {
  background: var(--paper);
}

.section--shared .section-heading {
  grid-template-columns: minmax(620px, 1.15fr) minmax(300px, 0.85fr);
  column-gap: clamp(36px, 6vw, 92px);
}

.section--shared .section-heading h2 {
  max-width: 760px;
}

.section--direction .section-heading {
  grid-template-columns: minmax(680px, 1.25fr) minmax(320px, 0.75fr);
  column-gap: clamp(32px, 5vw, 80px);
}

.section--direction .section-heading h2 {
  max-width: 760px;
  font-size: clamp(42px, 4vw, 58px);
  line-height: 1.2;
  overflow-wrap: normal;
  word-break: keep-all;
}

.direction-layout {
  display: grid;
  grid-template-columns: minmax(340px, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(38px, 6vw, 84px);
  align-items: center;
}

.direction-path {
  display: grid;
  gap: 0;
}

.path-step {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  align-items: start;
  padding: 18px 0;
}

.path-step__number {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 2px solid var(--navy-950);
  border-radius: 50%;
  color: var(--navy-950);
  font-weight: 800;
}

.path-step--coral .path-step__number { background: var(--coral-soft); }
.path-step--blue .path-step__number { background: var(--blue-soft); }
.path-step--green .path-step__number { background: var(--green-soft); }

.path-step h3 {
  margin: 0 0 5px;
  color: var(--navy-950);
  font-size: 22px;
}

.path-step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.path-line {
  width: 2px;
  height: 34px;
  margin-left: 23px;
  background: var(--navy-950);
}

.feature-figure {
  margin: 0;
}

.feature-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  border: 1px solid rgba(24, 48, 77, 0.14);
  border-radius: 8px;
  object-fit: cover;
}

.feature-figure figcaption {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 3px solid var(--yellow);
  color: var(--muted);
  font-size: 12px;
}

.section--behaviors {
  background: #eef4f4;
}

.behavior-selector {
  display: grid;
  grid-template-columns: repeat(7, minmax(72px, 1fr));
  gap: 8px;
  margin-bottom: 18px;
}

.behavior-selector button {
  min-height: 58px;
  padding: 7px 5px;
  border: 1px solid #c7d6d7;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.35;
}

.behavior-selector button span {
  display: block;
  margin-bottom: 2px;
  color: var(--coral);
  font-size: 12px;
}

.behavior-selector button[aria-selected="true"] {
  border-color: var(--navy-950);
  background: var(--navy-950);
  color: var(--white);
}

.behavior-stage {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(420px, 1.1fr);
  min-height: 550px;
  overflow: hidden;
  border: 1px solid #bdcccd;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 8px 8px 0 rgba(47, 127, 184, 0.15);
}

.behavior-stage__media {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  background: var(--yellow-soft);
}

.behavior-stage__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.behavior-stage__number {
  position: absolute;
  top: 20px;
  left: 20px;
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 2px solid var(--navy-950);
  border-radius: 50%;
  background: var(--yellow);
  color: var(--navy-950);
  font-size: 18px;
  font-weight: 800;
}

.behavior-stage__content {
  display: flex;
  flex-direction: column;
  padding: clamp(30px, 4.5vw, 58px);
}

.behavior-stage__content h3 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.3;
}

.behavior-stage__description {
  margin: 20px 0 0;
  color: #506176;
  font-size: 14px;
}

.behavior-tabs {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(130px, 1fr));
  align-self: start;
  margin-top: 26px;
  border-bottom: 1px solid var(--line);
}

.behavior-tabs button {
  padding: 10px 12px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
}

.behavior-tabs button[aria-selected="true"] {
  border-bottom-color: var(--coral);
  color: var(--navy-950);
}

.behavior-list {
  display: grid;
  min-height: 190px;
  align-content: start;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.behavior-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
}

.behavior-list li::before {
  position: absolute;
  top: 0;
  left: 2px;
  color: var(--green);
  content: "○";
  font-weight: 800;
}

.behavior-list--avoid li::before {
  color: var(--coral);
  content: "△";
}

.behavior-question {
  margin: auto 0 0;
  min-height: 74px;
  padding: 16px 18px;
  border-left: 4px solid var(--yellow);
  background: #fffaf0;
  color: var(--navy-900);
  font-size: 13px;
  font-weight: 700;
}

.print-behaviors,
.print-cases {
  display: none;
}

.section--shared {
  background: #fffdf8;
}

.shared-experience {
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.shared-experience__scene {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(90px, 0.35fr) minmax(260px, 1fr);
  gap: 20px;
  min-height: 330px;
  align-items: center;
}

.point-side,
.whole-side {
  position: relative;
  min-height: 300px;
  padding: 48px 22px 20px;
  border: 1px dashed #9aa9b8;
  border-radius: 8px;
  background: #fbfaf6;
}

.scene-label {
  position: absolute;
  top: 12px;
  left: 16px;
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.point-side {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 12px;
  align-content: center;
}

.person-dot,
.info-card {
  display: flex;
  min-height: 48px;
  align-items: center;
  padding: 9px 12px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 700;
}

.person-dot {
  gap: 7px;
  border: 1px solid var(--line);
  background: var(--white);
}

.person-dot--coral span { color: var(--coral); }
.person-dot--blue span { color: var(--blue); }
.person-dot--yellow span { color: var(--yellow); }

.info-card {
  position: relative;
  z-index: 3;
  justify-content: center;
  border: 1px solid var(--navy-950);
  box-shadow: 3px 3px 0 rgba(19, 37, 63, 0.16);
}

.info-card--context { background: var(--coral-soft); transform: rotate(-2deg); }
.info-card--reason { background: var(--blue-soft); transform: rotate(1deg); }
.info-card--learning { background: var(--yellow-soft); transform: rotate(-1deg); }

.share-lane {
  display: grid;
  gap: 42px;
}

.share-lane span {
  position: relative;
  display: block;
  width: 0;
  height: 2px;
  background: var(--navy-950);
  transition: width 700ms ease;
}

.share-lane span::after {
  position: absolute;
  top: 50%;
  right: 0;
  width: 9px;
  height: 9px;
  border-top: 2px solid var(--navy-950);
  border-right: 2px solid var(--navy-950);
  content: "";
  opacity: 0;
  transform: translateY(-50%) rotate(45deg);
  transform-origin: center;
  transition: opacity 200ms ease 500ms;
}

.whole-side {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 20px;
}

.team-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  align-self: center;
  padding: 22px;
  border: 2px solid var(--navy-950);
  background: var(--white);
  box-shadow: 5px 5px 0 var(--blue-soft);
}

.team-board__item {
  display: grid;
  min-height: 72px;
  place-items: center;
  border: 1px solid var(--line);
  background: #f1f0ec;
  color: #9aa2ac;
  font-size: 11px;
  font-weight: 800;
  opacity: 0.45;
  transition: background 300ms ease, color 300ms ease, transform 300ms ease, opacity 300ms ease;
}

.other-team {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.other-team__node {
  padding: 6px 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: #9aa2ac;
  font-size: 10px;
  font-weight: 700;
  text-align: center;
  transition: border-color 300ms ease 700ms, color 300ms ease 700ms, background 300ms ease 700ms;
}

.shared-experience.is-shared .share-lane span {
  width: 100%;
}

.shared-experience.is-shared .share-lane span::after {
  opacity: 1;
}

.shared-experience.is-shared .info-card {
  animation: send-card 850ms ease forwards;
}

.shared-experience.is-shared .info-card--reason { animation-delay: 120ms; }
.shared-experience.is-shared .info-card--learning { animation-delay: 240ms; }

.shared-experience.is-shared .team-board__item {
  border-color: var(--navy-950);
  color: var(--navy-950);
  opacity: 1;
  transform: translateY(-3px);
}

.shared-experience.is-shared .team-board__item:nth-child(1) { background: var(--coral-soft); transition-delay: 500ms; }
.shared-experience.is-shared .team-board__item:nth-child(2) { background: var(--blue-soft); transition-delay: 620ms; }
.shared-experience.is-shared .team-board__item:nth-child(3) { background: var(--yellow-soft); transition-delay: 740ms; }

.shared-experience.is-shared .other-team__node {
  border-color: var(--green);
  background: var(--green-soft);
  color: var(--navy-950);
}

.shared-experience.is-resetting .share-lane span,
.shared-experience.is-resetting .share-lane span::after,
.shared-experience.is-resetting .team-board__item,
.shared-experience.is-resetting .other-team__node {
  transition: none !important;
}

.shared-experience.is-resetting .info-card {
  animation: none !important;
}

.shared-experience.is-resetting .team-board__item {
  background: #f1f0ec;
  color: #9aa2ac;
  opacity: 0.45;
  transform: translateY(0);
}

.shared-experience.is-resetting .other-team__node {
  border-color: var(--line);
  background: var(--white);
  color: #9aa2ac;
}

@keyframes send-card {
  0% { opacity: 1; transform: translateX(0) rotate(0); }
  70% { opacity: 1; transform: translateX(145%) rotate(2deg) scale(0.9); }
  100% { opacity: 0; transform: translateX(185%) rotate(2deg) scale(0.8); }
}

.shared-experience__action {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.shared-experience:not(.is-shared) #shareAction {
  animation: share-button-pulse 1800ms ease-in-out infinite;
}

.shared-experience.is-shared #shareAction {
  background: var(--white);
  color: var(--navy-950);
  border-color: var(--navy-950);
}

@keyframes share-button-pulse {
  0%,
  100% {
    box-shadow: none;
    transform: translateY(0);
  }

  50% {
    box-shadow: 0 0 0 7px rgba(232, 97, 60, 0.14);
    transform: translateY(-1px);
  }
}

.shared-message {
  max-width: 720px;
  margin: 26px auto 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.shared-meaning {
  display: grid;
  grid-template-columns: minmax(420px, 1.2fr) minmax(300px, 0.8fr);
  gap: clamp(36px, 6vw, 80px);
  align-items: center;
  margin-top: 92px;
}

.hand-note {
  display: inline-block;
  margin: 0 0 20px;
  padding: 4px 10px;
  background: var(--yellow-soft);
  color: var(--navy-950);
  font-size: 14px;
  font-weight: 800;
  transform: rotate(-2deg);
}

.shared-meaning h3,
.misalignment h3 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.4;
}

.check-list {
  display: grid;
  gap: 9px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--green);
  content: "✓";
  font-weight: 800;
}

.section--cases {
  background: #f2f0e9;
}

.case-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.case-nav {
  display: grid;
  gap: 6px;
}

.case-nav button {
  min-height: 58px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
  text-align: left;
}

.case-nav button[aria-selected="true"] {
  border-color: var(--navy-950);
  background: var(--navy-950);
  color: var(--white);
}

.case-stage {
  min-height: 570px;
  padding: clamp(26px, 4vw, 52px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.case-stage__number {
  margin: 0 0 10px;
  color: var(--coral);
  font-size: 11px;
  font-weight: 800;
}

.case-stage h3 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.35;
}

.case-stage__context {
  margin: 15px 0 26px;
  color: var(--muted);
  font-size: 14px;
}

.case-options {
  display: grid;
  gap: 10px;
}

.case-option {
  position: relative;
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: center;
  min-height: 58px;
  padding: 11px 14px;
  border: 1px solid #cfd3d8;
  border-radius: 5px;
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  font-size: 13px;
  line-height: 1.6;
  text-align: left;
}

.case-option span {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border: 1px solid var(--navy-950);
  border-radius: 50%;
  font-size: 10px;
  font-weight: 800;
}

.case-option:hover,
.case-option.is-selected {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.case-option.is-company-choice::after {
  position: absolute;
  top: -9px;
  right: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--green);
  color: var(--white);
  content: "この会社の判断";
  font-size: 9px;
  font-weight: 800;
}

.case-feedback {
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 5px solid var(--green);
  background: #eff7ee;
}

.case-feedback h4 {
  margin: 0 0 6px;
  color: var(--navy-950);
  font-size: 15px;
}

.case-feedback p {
  margin: 0;
  color: #4e6252;
  font-size: 13px;
}

.case-feedback__prompt {
  margin-top: 12px !important;
  color: var(--navy-950) !important;
  font-weight: 700;
}

.section--boundary {
  background: var(--paper);
}

.boundary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.boundary-panel {
  padding: clamp(28px, 4vw, 48px);
  border: 2px solid var(--navy-950);
  border-radius: 8px;
}

.boundary-panel--go {
  background: var(--green-soft);
  box-shadow: 7px 7px 0 var(--green);
}

.boundary-panel--ask {
  background: var(--coral-soft);
  box-shadow: 7px 7px 0 var(--coral);
}

.boundary-panel__label {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 800;
}

.boundary-panel h3 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.4;
}

.boundary-panel ul {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding-left: 20px;
  font-size: 13px;
}

.three-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  margin-top: 26px;
}

.three-notes span {
  display: grid;
  min-height: 62px;
  place-items: center;
  padding: 8px;
  border: 1px solid var(--navy-950);
  background: var(--white);
  font-size: 11px;
  font-weight: 700;
  text-align: center;
}

.three-notes span:nth-child(1) { transform: rotate(-2deg); }
.three-notes span:nth-child(2) { transform: rotate(1deg); }
.three-notes span:nth-child(3) { transform: rotate(-1deg); }

.boundary-panel__note {
  margin: 26px 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(24, 48, 77, 0.35);
  background: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 700;
}

.misalignment {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(36px, 7vw, 90px);
  align-items: center;
  margin-top: 100px;
  padding-top: 64px;
  border-top: 1px solid var(--line);
}

.review-loop {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.review-loop li {
  display: grid;
  grid-template-columns: 36px 1fr;
  align-items: center;
  min-height: 76px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  font-size: 12px;
  font-weight: 700;
}

.review-loop li span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--navy-950);
  font-size: 11px;
}

.section--reflection {
  background: #e9f0ed;
}

.reflection-layout {
  display: grid;
  grid-template-columns: minmax(340px, 0.9fr) minmax(430px, 1.1fr);
  gap: clamp(40px, 7vw, 90px);
  align-items: start;
}

.reflection-copy h2 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(38px, 4.5vw, 64px);
  line-height: 1.22;
}

.reflection-copy > p:not(.eyebrow) {
  max-width: 540px;
  margin: 24px 0 0;
  color: #4b5d74;
  font-size: 14px;
}

.reflection-copy img {
  width: 100%;
  height: clamp(260px, 28vw, 380px);
  margin-top: 36px;
  border: 1px solid #bfc9c3;
  border-radius: 8px;
  object-fit: cover;
  object-position: center;
}

.commitment-form {
  padding: clamp(26px, 4vw, 46px);
  border: 2px solid var(--navy-950);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 8px 8px 0 var(--yellow);
}

.commitment-form fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.commitment-form legend,
.commitment-form > label {
  display: block;
  margin-bottom: 10px;
  color: var(--navy-950);
  font-size: 13px;
  font-weight: 800;
}

.commitment-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin-bottom: 26px;
}

.commitment-option {
  position: relative;
}

.commitment-option input {
  position: absolute;
  opacity: 0;
}

.commitment-option label {
  display: flex;
  min-height: 50px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--muted);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
}

.commitment-option input:checked + label {
  border-color: var(--navy-950);
  background: var(--blue-soft);
  color: var(--navy-950);
}

.commitment-option input:focus-visible + label {
  outline: 3px solid var(--yellow);
  outline-offset: 2px;
}

.commitment-form textarea {
  width: 100%;
  min-height: 130px;
  resize: vertical;
  padding: 14px;
  border: 1px solid #aeb6bf;
  border-radius: 5px;
  background: #fffdf8;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.8;
}

.commitment-form__footer {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-top: 12px;
}

.commitment-form__footer > span {
  color: var(--muted);
  font-size: 11px;
}

.commitment-form__footer > div {
  display: flex;
  gap: 8px;
}

.privacy-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 10px;
}

.saved-commitment {
  margin-top: 18px;
  padding: 16px;
  border-left: 4px solid var(--green);
  background: var(--green-soft);
  color: var(--navy-950);
  font-size: 13px;
}

.saved-commitment strong {
  display: block;
  margin-bottom: 4px;
}

.closing-message {
  margin: 100px 0 0;
  padding: clamp(32px, 5vw, 58px);
  border: 0;
  background: var(--navy-950);
  color: var(--white);
}

.closing-message p {
  margin: 0;
  font-size: clamp(18px, 2.3vw, 30px);
  font-weight: 700;
  line-height: 1.8;
}

.book-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(28px, 6vw, 84px);
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
}

.book-footer p {
  margin: 0;
}

.presentation-controls {
  position: fixed;
  right: 24px;
  bottom: 20px;
  z-index: 140;
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 30px rgba(13, 27, 46, 0.14);
}

.presentation-controls > span {
  min-width: 54px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

body.presentation-mode {
  overflow: hidden;
}

body.presentation-mode .chapter-nav,
body.presentation-mode .read-progress,
body.presentation-mode .book-footer {
  display: none;
}

body.presentation-mode #book {
  margin-left: 0;
}

body.presentation-mode .chapter {
  position: fixed;
  inset: var(--header-height) 0 0;
  z-index: 20;
  display: none;
  width: 100%;
  height: calc(100vh - var(--header-height));
  min-height: 0;
  margin: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}

body.presentation-mode .chapter.is-slide-active {
  display: block;
}

body.presentation-mode .hero__content {
  min-height: calc(100vh - var(--header-height));
}

body.presentation-mode .section {
  padding-top: clamp(44px, 6vw, 80px);
  padding-bottom: 120px;
}

body.presentation-mode .presentation-controls {
  display: flex;
}

body.presentation-mode .reveal {
  opacity: 1;
  transform: none;
}

body.presentation-mode .section-heading h2 {
  overflow-wrap: normal;
  word-break: keep-all;
}

body.presentation-mode .section-heading--compact {
  max-width: min(100%, 1040px);
}

body.presentation-mode .section-heading--compact h2 {
  max-width: 1040px;
}

body.presentation-mode .section--mission,
body.presentation-mode .section--vision {
  padding: clamp(34px, 4vh, 56px) clamp(42px, 6vw, 96px) 96px;
}

body.presentation-mode .section--mission .section__inner,
body.presentation-mode .section--vision .section__inner {
  display: grid;
  width: min(100%, 1440px);
  min-height: calc(100vh - var(--header-height) - 184px);
  align-content: center;
}

body.presentation-mode .section--mission .section-heading,
body.presentation-mode .section--vision .section-heading {
  margin-bottom: clamp(24px, 3vh, 38px);
}

body.presentation-mode .section--mission .mission-layout,
body.presentation-mode .section--vision .mission-layout {
  grid-template-columns: minmax(520px, 1.08fr) minmax(440px, 0.92fr);
  gap: clamp(30px, 5vw, 68px);
}

body.presentation-mode .section--mission .mission-figure img,
body.presentation-mode .section--vision .mission-figure img {
  max-height: min(42vh, 420px);
  object-fit: cover;
}

body.presentation-mode .section--mission .mission-statements,
body.presentation-mode .section--vision .mission-statements {
  gap: 18px;
}

body.presentation-mode .section--mission .mission-statement h3,
body.presentation-mode .section--vision .mission-statement h3 {
  font-size: clamp(24px, 2.1vw, 34px);
  line-height: 1.38;
}

body.presentation-mode .section--mission .mission-statement p:last-child,
body.presentation-mode .section--vision .mission-statement p:last-child,
body.presentation-mode .section--mission .mission-bridge,
body.presentation-mode .section--vision .mission-bridge {
  font-size: 13px;
  line-height: 1.8;
}

body.presentation-mode .section--communication {
  padding: clamp(30px, 4vh, 52px) clamp(42px, 6vw, 96px) 96px;
}

body.presentation-mode .section--communication .section__inner {
  display: grid;
  width: min(100%, 1320px);
  min-height: calc(100vh - var(--header-height) - 184px);
  align-content: center;
}

body.presentation-mode .section--communication .section-heading {
  margin-bottom: clamp(24px, 3vh, 36px);
}

body.presentation-mode .section--communication .section-heading h2 {
  font-size: clamp(38px, 3.8vw, 56px);
  line-height: 1.16;
}

body.presentation-mode .section--communication .communication-values {
  gap: clamp(14px, 2vw, 22px);
}

body.presentation-mode .section--communication .communication-card {
  min-height: clamp(270px, 34vh, 320px);
  padding: clamp(20px, 2.4vw, 28px);
}

body.presentation-mode .section--communication .communication-card__number {
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
}

body.presentation-mode .section--communication .communication-card h3 {
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.32;
}

body.presentation-mode .section--communication .communication-card p {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
}

body.presentation-mode .section--communication .communication-bridge {
  margin-top: clamp(18px, 2.5vh, 28px);
  padding: 12px 16px;
  font-size: 12px;
  line-height: 1.65;
}

body.presentation-mode .section--direction {
  padding: clamp(34px, 4vh, 58px) clamp(42px, 6vw, 96px) 96px;
}
body.presentation-mode .section--direction .section__inner {
  display: grid;
  width: min(100%, 1480px);
  min-height: calc(100vh - var(--header-height) - 190px);
  align-content: center;
}

body.presentation-mode .section--direction .section-heading {
  grid-template-columns: minmax(620px, 1.1fr) minmax(420px, 0.9fr);
  gap: clamp(36px, 5vw, 76px);
  align-items: end;
  margin-bottom: clamp(34px, 4vh, 54px);
}

body.presentation-mode .section--direction .section-heading .eyebrow {
  margin-bottom: 10px;
}

body.presentation-mode .section--direction .section-heading h2 {
  max-width: 760px;
  font-size: clamp(42px, 4.1vw, 62px);
  line-height: 1.15;
}

body.presentation-mode .section--direction .section-heading > p:last-child {
  max-width: 520px;
  font-size: 15px;
  line-height: 1.9;
}

body.presentation-mode .section--direction .direction-layout {
  grid-template-columns: minmax(410px, 0.72fr) minmax(560px, 1.28fr);
  gap: clamp(38px, 5vw, 72px);
  align-items: center;
}

body.presentation-mode .section--direction .path-step {
  grid-template-columns: 50px 1fr;
  gap: 18px;
  padding: 14px 0;
}

body.presentation-mode .section--direction .path-step__number {
  width: 46px;
  height: 46px;
}

body.presentation-mode .section--direction .path-step h3 {
  font-size: 23px;
}

body.presentation-mode .section--direction .path-step p {
  font-size: 14px;
  line-height: 1.7;
}

body.presentation-mode .section--direction .path-line {
  height: 30px;
  margin-left: 22px;
}

body.presentation-mode .section--direction .feature-figure img {
  max-height: min(45vh, 460px);
  object-fit: cover;
}

body.presentation-mode .section--direction .feature-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
}



body.presentation-mode .section--communication {
  padding: clamp(30px, 4vh, 52px) clamp(42px, 6vw, 96px) 96px;
}

body.presentation-mode .section--communication .section__inner {
  display: grid;
  width: min(100%, 1320px);
  min-height: calc(100vh - var(--header-height) - 184px);
  align-content: center;
}

body.presentation-mode .section--communication .section-heading {
  margin-bottom: clamp(24px, 3vh, 36px);
}

body.presentation-mode .section--communication .section-heading h2 {
  font-size: clamp(38px, 3.8vw, 56px);
  line-height: 1.16;
}

body.presentation-mode .section--communication .communication-values {
  gap: clamp(14px, 2vw, 22px);
}

body.presentation-mode .section--communication .communication-card {
  min-height: clamp(270px, 34vh, 320px);
  padding: clamp(20px, 2.4vw, 28px);
}

body.presentation-mode .section--communication .communication-card__number {
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
}

body.presentation-mode .section--communication .communication-card h3 {
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.32;
}

body.presentation-mode .section--communication .communication-card p {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
}

body.presentation-mode .section--communication .communication-bridge {
  margin-top: clamp(18px, 2.5vh, 28px);
  padding: 12px 16px;
  font-size: 12px;
  line-height: 1.65;
}
body.presentation-mode .section--behaviors {
  padding: clamp(24px, 3.4vh, 40px) clamp(40px, 5vw, 86px) 86px;
}

body.presentation-mode .section--behaviors .section__inner {
  display: grid;
  width: min(100%, 1280px);
  min-height: calc(100vh - var(--header-height) - 168px);
  align-content: center;
}

body.presentation-mode .section--behaviors .section-heading {
  margin-bottom: clamp(14px, 2.2vh, 24px);
}

body.presentation-mode .section--behaviors .section-heading h2 {
  font-size: clamp(34px, 3.3vw, 48px);
  line-height: 1.16;
}

body.presentation-mode .section--behaviors .section-heading > p:last-child {
  font-size: 13px;
  line-height: 1.7;
}

body.presentation-mode .behavior-selector {
  gap: 6px;
  margin-bottom: 12px;
}

body.presentation-mode .behavior-selector button {
  min-height: 44px;
  padding: 5px 4px;
  font-size: 10px;
}

body.presentation-mode .behavior-stage {
  min-height: clamp(420px, 50vh, 500px);
}

body.presentation-mode .behavior-stage__content {
  padding: clamp(24px, 3vw, 38px);
}

body.presentation-mode .behavior-stage__content h3 {
  font-size: clamp(26px, 2.7vw, 38px);
  line-height: 1.25;
}

body.presentation-mode .behavior-stage__description {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.65;
}

body.presentation-mode .behavior-tabs {
  margin-top: 16px;
}

body.presentation-mode .behavior-tabs button {
  padding: 8px 10px;
  font-size: 12px;
}

body.presentation-mode .behavior-list {
  min-height: 124px;
  gap: 4px;
  margin-top: 12px;
}

body.presentation-mode .behavior-list li {
  font-size: 12px;
  line-height: 1.5;
}

body.presentation-mode .behavior-question {
  min-height: 54px;
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.55;
}

body.presentation-mode .section--shared,
body.presentation-mode .section--cases,
body.presentation-mode .section--boundary,
body.presentation-mode .section--reflection {
  padding: clamp(24px, 3.5vh, 42px) clamp(40px, 5vw, 86px) 86px;
}

body.presentation-mode .section--shared .section__inner,
body.presentation-mode .section--cases .section__inner,
body.presentation-mode .section--boundary .section__inner,
body.presentation-mode .section--reflection .section__inner {
  width: min(100%, 1440px);
}

body.presentation-mode .section--shared .section-heading,
body.presentation-mode .section--cases .section-heading,
body.presentation-mode .section--boundary .section-heading {
  margin-bottom: clamp(18px, 2.8vh, 30px);
}

body.presentation-mode .section--shared .section-heading h2,
body.presentation-mode .section--cases .section-heading h2,
body.presentation-mode .section--boundary .section-heading h2,
body.presentation-mode .reflection-copy h2 {
  font-size: clamp(34px, 3.4vw, 48px);
  line-height: 1.16;
}

body.presentation-mode .section--shared .section-heading > p:last-child,
body.presentation-mode .section--cases .section-heading > p:last-child,
body.presentation-mode .section--boundary .section-heading > p:last-child,
body.presentation-mode .reflection-copy > p:not(.eyebrow) {
  font-size: 13px;
  line-height: 1.7;
}

body.presentation-mode .shared-experience {
  padding: 16px 18px 18px;
}

body.presentation-mode .shared-experience__scene {
  min-height: 235px;
  gap: 14px;
}

body.presentation-mode .point-side,
body.presentation-mode .whole-side {
  min-height: 218px;
  padding: 38px 16px 14px;
}

body.presentation-mode .person-dot,
body.presentation-mode .info-card {
  min-height: 38px;
  padding: 7px 9px;
  font-size: 11px;
}

body.presentation-mode .team-board {
  padding: 14px;
}

body.presentation-mode .team-board__item {
  min-height: 52px;
}

body.presentation-mode .shared-experience__action {
  margin-top: 12px;
}

body.presentation-mode .shared-message {
  max-width: 900px;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
}

body.presentation-mode .shared-meaning {
  grid-template-columns: minmax(420px, 1fr) minmax(320px, 0.8fr);
  gap: 28px;
  margin-top: 20px;
}

body.presentation-mode .shared-meaning .feature-figure img {
  max-height: 160px;
  object-fit: cover;
}

body.presentation-mode .hand-note {
  margin-bottom: 10px;
  font-size: 12px;
}

body.presentation-mode .shared-meaning h3,
body.presentation-mode .misalignment h3 {
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.25;
}

body.presentation-mode .check-list {
  gap: 5px;
  margin-top: 12px;
}

body.presentation-mode .check-list li {
  font-size: 12px;
  line-height: 1.55;
}

body.presentation-mode .case-layout {
  width: min(100%, 1260px);
  margin: 0 auto;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
  align-items: stretch;
}

body.presentation-mode .case-nav {
  align-content: start;
  gap: 8px;
}

body.presentation-mode .case-nav button {
  min-height: 54px;
  padding: 9px 12px;
  font-size: 12px;
  line-height: 1.35;
}

body.presentation-mode .case-stage {
  display: grid;
  align-content: center;
  min-height: clamp(390px, 46vh, 520px);
  padding: clamp(26px, 3.4vw, 44px);
}

body.presentation-mode .case-stage h3 {
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.24;
}

body.presentation-mode .case-stage__context {
  margin: 14px 0 20px;
  font-size: 14px;
  line-height: 1.7;
}

body.presentation-mode .case-options {
  gap: 9px;
}

body.presentation-mode .case-option {
  min-height: 52px;
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.5;
}

body.presentation-mode .case-feedback {
  margin-top: 14px;
  padding: 14px 18px;
}

body.presentation-mode .case-feedback h4 {
  font-size: 13px;
}

body.presentation-mode .case-feedback p {
  font-size: 12px;
  line-height: 1.55;
}

body.presentation-mode .boundary-grid {
  gap: 16px;
}

body.presentation-mode .boundary-panel {
  padding: 20px 22px;
}

body.presentation-mode .boundary-panel h3 {
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.28;
}

body.presentation-mode .boundary-panel ul {
  gap: 4px;
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.45;
}

body.presentation-mode .three-notes {
  margin-top: 14px;
}

body.presentation-mode .three-notes span {
  min-height: 42px;
  font-size: 10px;
}

body.presentation-mode .boundary-panel__note {
  margin-top: 14px;
  padding: 9px 11px;
  font-size: 11px;
}

body.presentation-mode .misalignment {
  gap: 24px;
  margin-top: 24px;
  padding-top: 18px;
}

body.presentation-mode .review-loop {
  gap: 8px;
}

body.presentation-mode .review-loop li {
  min-height: 48px;
  padding: 8px;
  font-size: 11px;
}

body.presentation-mode .reflection-layout {
  grid-template-columns: minmax(360px, 0.82fr) minmax(500px, 1.18fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

body.presentation-mode .reflection-copy > p:not(.eyebrow) {
  margin-top: 14px;
}

body.presentation-mode .reflection-copy img {
  max-height: min(26vh, 240px);
  margin-top: 22px;
  object-fit: cover;
}

body.presentation-mode .commitment-form {
  padding: 22px 24px;
}

body.presentation-mode .commitment-options {
  gap: 6px;
  margin-bottom: 14px;
}

body.presentation-mode .commitment-option label {
  min-height: 40px;
  padding: 6px 9px;
  font-size: 10px;
}

body.presentation-mode .commitment-form textarea {
  min-height: 88px;
  font-size: 13px;
  line-height: 1.5;
}

body.presentation-mode .privacy-note,
body.presentation-mode .saved-commitment {
  margin-top: 10px;
}

body.presentation-mode .closing-message {
  display: none;
}

body.presentation-mode .section--shared .section__inner,
body.presentation-mode .section--boundary .section__inner,
body.presentation-mode .section--reflection .section__inner {
  display: grid;
  min-height: calc(100vh - var(--header-height) - 170px);
  align-content: center;
}

body.presentation-mode .section--cases .section__inner {
  display: grid;
  min-height: calc(100vh - var(--header-height) - 170px);
  align-content: center;
}

body.presentation-mode .section--shared .section-heading,
body.presentation-mode .section--boundary .section-heading {
  margin-bottom: clamp(30px, 4vh, 52px);
}

body.presentation-mode .section--shared .shared-meaning,
body.presentation-mode .section--boundary .misalignment {
  display: none;
}

body.presentation-mode .section--shared .shared-experience {
  width: min(100%, 1260px);
  margin: 0 auto;
  padding: clamp(22px, 3vw, 34px);
}

body.presentation-mode .section--shared .shared-experience__scene {
  grid-template-columns: minmax(340px, 1fr) minmax(92px, 0.28fr) minmax(340px, 1fr);
  min-height: clamp(320px, 36vh, 410px);
  gap: clamp(18px, 3vw, 34px);
}

body.presentation-mode .section--shared .point-side,
body.presentation-mode .section--shared .whole-side {
  min-height: clamp(280px, 31vh, 350px);
  padding: 46px 22px 22px;
}

body.presentation-mode .section--shared .person-dot,
body.presentation-mode .section--shared .info-card {
  min-height: 48px;
  font-size: 12px;
}

body.presentation-mode .section--shared .team-board {
  padding: 22px;
}

body.presentation-mode .section--shared .team-board__item {
  min-height: 70px;
}

body.presentation-mode .section--shared .shared-experience__action {
  margin-top: 20px;
}

body.presentation-mode .section--shared .shared-message {
  margin-top: 14px;
  font-size: 13px;
}

body.presentation-mode .section--boundary .boundary-grid {
  width: min(100%, 1260px);
  margin: 0 auto;
  gap: clamp(22px, 3vw, 34px);
}

body.presentation-mode .section--boundary .boundary-panel {
  min-height: clamp(300px, 34vh, 380px);
  padding: clamp(30px, 3.8vw, 48px);
}

body.presentation-mode .section--boundary .boundary-panel h3 {
  font-size: clamp(28px, 2.9vw, 38px);
}

body.presentation-mode .section--boundary .boundary-panel ul {
  gap: 8px;
  margin-top: 20px;
  font-size: 13px;
}

body.presentation-mode .section--boundary .three-notes {
  margin-top: 26px;
}

body.presentation-mode .section--boundary .three-notes span {
  min-height: 58px;
  font-size: 11px;
}

body.presentation-mode .section--boundary .boundary-panel__note {
  margin-top: 26px;
  padding: 13px 15px;
  font-size: 12px;
}

body.presentation-mode .section--reflection .reflection-layout {
  width: min(100%, 1260px);
  margin: 0 auto;
  grid-template-columns: minmax(420px, 0.92fr) minmax(520px, 1.08fr);
  gap: clamp(44px, 6vw, 84px);
  align-items: center;
}

body.presentation-mode .section--reflection .reflection-copy h2 {
  font-size: clamp(40px, 3.9vw, 58px);
}

body.presentation-mode .section--reflection .reflection-copy img {
  height: min(34vh, 320px);
  margin-top: 28px;
}

body.presentation-mode .section--reflection .commitment-form {
  padding: clamp(28px, 3.2vw, 42px);
}

body.presentation-mode .section--reflection .commitment-option label {
  min-height: 46px;
  font-size: 11px;
}

body.presentation-mode .section--reflection .commitment-form textarea {
  min-height: 108px;
}

@media (max-width: 1060px) {
  :root {
    --nav-width: 138px;
  }

  .chapter-nav {
    padding-inline: 10px;
  }

  .chapter-nav a {
    grid-template-columns: 26px 1fr;
    font-size: 11px;
  }

  .section--direction .section-heading {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .section--communication .section-heading h2,
  .section--direction .section-heading h2 {
    max-width: 780px;
  }

  body.presentation-mode .section--communication .section__inner,
  body.presentation-mode .section--direction .section__inner {
    width: min(100%, 980px);
    min-height: auto;
  }

  body.presentation-mode .section--communication .section-heading,
  body.presentation-mode .section--direction .section-heading,
  body.presentation-mode .section--direction .direction-layout {
    grid-template-columns: 1fr;
  }

  body.presentation-mode .section--direction .feature-figure img {
    max-height: 34vh;
  }

  .communication-values,
  .direction-layout,
  .behavior-stage,
  .shared-meaning,
  .reflection-layout {
    grid-template-columns: 1fr;
  }

  .behavior-stage__media {
    min-height: 390px;
  }

  .shared-meaning .feature-figure {
    order: 2;
  }

  .behavior-selector {
    grid-template-columns: repeat(4, 1fr);
  }
}


/* Tablet shared-experience flow */
@media (max-width: 900px) {
  .section--communication .title-keep,
  .section--shared .title-keep,
  .section--boundary .title-keep,
  .section--reflection .title-keep {
    white-space: normal;
  }

  .shared-experience__scene {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .point-side {
    grid-template-columns: 1fr;
  }

  .share-lane {
    justify-items: center;
    gap: 8px;
  }

  .share-lane span {
    width: 2px;
    height: 0;
    min-height: 0;
    transition: height 500ms ease;
  }

  .share-lane span::after {
    right: 50%;
    top: auto;
    bottom: 0;
    transform: translateX(50%) rotate(135deg);
  }

  .shared-experience.is-shared .share-lane span {
    width: 2px;
    height: 14px;
  }

  .shared-experience.is-shared .info-card {
    animation: send-card-mobile 650ms ease forwards;
  }

  @keyframes send-card-mobile {
    0% { opacity: 1; transform: translateY(0) rotate(0); }
    70% { opacity: 1; transform: translateY(120%) rotate(1deg) scale(0.95); }
    100% { opacity: 0; transform: translateY(155%) rotate(1deg) scale(0.9); }
  }
}
@media (max-width: 760px) {
  :root {
    --header-height: 58px;
  }

  body {
    font-size: 15px;
  }

  .topbar {
    grid-template-columns: 1fr auto;
    min-height: var(--header-height);
    padding: 6px 10px;
  }

  .wordmark__text,
  .read-progress {
    display: none;
  }

  .wordmark__mark {
    width: 32px;
    height: 32px;
  }

  .mode-switch {
    grid-column: 2;
  }

  .mode-switch__button {
    min-height: 32px;
    padding-inline: 8px;
  }

  .mobile-menu-toggle {
    position: fixed;
    right: 14px;
    bottom: 14px;
    z-index: 120;
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border: 2px solid var(--navy-950);
    border-radius: 999px;
    background: var(--navy-950);
    color: var(--white);
    box-shadow: 0 10px 28px rgba(13, 27, 46, 0.18);
    font-size: 13px;
    font-weight: 800;
  }

  .chapter-nav {
    top: auto;
    right: 12px;
    bottom: 70px;
    left: 12px;
    z-index: 115;
    display: grid;
    width: auto;
    height: auto;
    max-height: min(62svh, 430px);
    grid-template-columns: 1fr;
    gap: 6px;
    overflow-y: auto;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(251, 250, 246, 0.98);
    box-shadow: 0 18px 54px rgba(13, 27, 46, 0.18);
    opacity: 0;
    pointer-events: none;
    transform: translateY(16px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  body.mobile-menu-open .chapter-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .chapter-nav a {
    display: grid;
    grid-template-columns: 34px 1fr;
    min-height: 44px;
    align-items: center;
    padding: 8px 10px;
    font-size: 13px;
    text-align: left;
  }

  .chapter-nav a span {
    font-size: 11px;
  }

  .chapter-nav a:hover,
  .chapter-nav a.is-current {
    transform: none;
  }

  body.presentation-mode .mobile-menu-toggle {
    display: none;
  }

  #book,
  .book-footer {
    margin-left: 0;
  }

  #book {
    padding-bottom: 58px;
  }

  .hero {
    min-height: calc(100svh - var(--header-height));
  }

  .hero::after {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: rgba(251, 250, 246, 0.55);
    content: "";
  }

  .hero__image {
    object-position: 64% center;
  }

  .hero__content {
    width: 100%;
    min-height: calc(100svh - var(--header-height));
    justify-content: flex-end;
    padding: 42px 20px 110px;
  }

  .hero h1 {
    font-size: clamp(46px, 15vw, 68px);
  }

  .hero__lead {
    font-size: 19px;
  }

  .hero__intro {
    max-width: 330px;
    color: var(--navy-900);
  }

  .next-peek {
    right: 14px;
    bottom: 66px;
  }

  .desktop-only {
    display: none;
  }

  .section {
    min-height: auto;
    padding: 74px 18px 86px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-bottom: 44px;
  }

  .section-heading h2,
  .reflection-copy h2 {
    font-size: clamp(34px, 10vw, 46px);
    overflow-wrap: anywhere;
    word-break: normal;
  }

  .title-keep {
    white-space: normal;
  }

  .section--communication .section-heading h2,
  .section--direction .section-heading h2 {
    font-size: clamp(34px, 10vw, 46px);
    overflow-wrap: anywhere;
    word-break: normal;
  }

  .communication-values,
  .direction-layout,
  .shared-meaning,
  .reflection-layout {
    gap: 38px;
  }

  .path-step {
    grid-template-columns: 46px 1fr;
    gap: 12px;
  }

  .path-step__number {
    width: 42px;
    height: 42px;
  }

  .path-line {
    margin-left: 20px;
  }

  .feature-figure img,
  .reflection-copy img {
    aspect-ratio: 4 / 3;
  }

  .reflection-copy img {
    height: 300px;
  }

  .behavior-selector {
    display: flex;
    margin-right: -18px;
    overflow-x: auto;
    padding-right: 18px;
    scroll-snap-type: x mandatory;
  }

  .behavior-selector button {
    min-width: 92px;
    scroll-snap-align: start;
  }

  .behavior-stage {
    min-height: 0;
  }

  .behavior-stage__media {
    min-height: 280px;
  }

  .behavior-stage__content {
    padding: 26px 20px 30px;
  }

  .behavior-stage__content h3 {
    font-size: 28px;
  }

  .behavior-tabs {
    align-self: stretch;
  }

  .behavior-list {
    min-height: 0;
  }

  .behavior-question {
    min-height: 0;
    margin-top: 26px;
  }

  .shared-experience {
    padding: 18px 12px 24px;
  }

  .shared-experience__scene {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .point-side,
  .whole-side {
    min-height: 260px;
  }

  .share-lane {
    display: flex;
    height: 54px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
  }

  .share-lane span {
    width: 2px;
    height: 0;
    transition: height 500ms ease;
  }

  .share-lane span::after {
    display: none;
  }

  .shared-experience.is-shared .share-lane span {
    width: 2px;
    height: 10px;
  }

  .shared-experience.is-shared .info-card {
    animation: send-card-mobile 650ms ease forwards;
  }

  @keyframes send-card-mobile {
    0% { opacity: 1; transform: translateY(0) scale(1); }
    100% { opacity: 0.2; transform: translateY(26px) scale(0.86); }
  }

  .shared-meaning {
    margin-top: 64px;
  }

  .case-layout {
    grid-template-columns: 1fr;
  }

  .case-nav {
    display: flex;
    margin-right: -18px;
    overflow-x: auto;
    padding-right: 18px;
  }

  .case-nav button {
    min-width: 146px;
  }

  .case-stage {
    min-height: 0;
    padding: 26px 18px;
  }

  .boundary-grid,
  .misalignment {
    grid-template-columns: 1fr;
  }

  .boundary-grid {
    gap: 24px;
  }

  .misalignment {
    margin-top: 76px;
  }

  .review-loop {
    grid-template-columns: 1fr;
  }

  .commitment-form {
    padding: 24px 16px;
  }

  .commitment-options {
    grid-template-columns: 1fr;
  }

  .commitment-form__footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .commitment-form__footer > div {
    width: 100%;
  }

  .commitment-form__footer .button {
    flex: 1;
  }

  .closing-message {
    margin-top: 70px;
    padding: 28px 20px;
  }

  .book-footer {
    padding-bottom: 80px;
    flex-direction: column;
  }

  .presentation-controls {
    right: 8px;
    bottom: 8px;
    left: 8px;
    justify-content: space-between;
  }

  .presentation-controls .button {
    min-height: 40px;
    padding-inline: 10px;
    font-size: 11px;
  }

  body.presentation-mode #book {
    padding-bottom: 0;
  }

  body.presentation-mode .chapter {
    height: calc(100svh - var(--header-height));
  }

  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  .section__inner,
  body.presentation-mode .section--shared .section__inner,
  body.presentation-mode .section--cases .section__inner,
  body.presentation-mode .section--boundary .section__inner,
  body.presentation-mode .section--reflection .section__inner {
    display: block;
    width: 100%;
    min-height: auto;
  }

  

body.presentation-mode .section--communication {
  padding: clamp(30px, 4vh, 52px) clamp(42px, 6vw, 96px) 96px;
}

body.presentation-mode .section--communication .section__inner {
  display: grid;
  width: min(100%, 1320px);
  min-height: calc(100vh - var(--header-height) - 184px);
  align-content: center;
}

body.presentation-mode .section--communication .section-heading {
  margin-bottom: clamp(24px, 3vh, 36px);
}

body.presentation-mode .section--communication .section-heading h2 {
  font-size: clamp(38px, 3.8vw, 56px);
  line-height: 1.16;
}

body.presentation-mode .section--communication .communication-values {
  gap: clamp(14px, 2vw, 22px);
}

body.presentation-mode .section--communication .communication-card {
  min-height: clamp(270px, 34vh, 320px);
  padding: clamp(20px, 2.4vw, 28px);
}

body.presentation-mode .section--communication .communication-card__number {
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
}

body.presentation-mode .section--communication .communication-card h3 {
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.32;
}

body.presentation-mode .section--communication .communication-card p {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
}

body.presentation-mode .section--communication .communication-bridge {
  margin-top: clamp(18px, 2.5vh, 28px);
  padding: 12px 16px;
  font-size: 12px;
  line-height: 1.65;
}
body.presentation-mode .section--behaviors {
  padding: clamp(24px, 3.4vh, 40px) clamp(40px, 5vw, 86px) 86px;
}

body.presentation-mode .section--behaviors .section__inner {
  display: grid;
  width: min(100%, 1280px);
  min-height: calc(100vh - var(--header-height) - 168px);
  align-content: center;
}

body.presentation-mode .section--behaviors .section-heading {
  margin-bottom: clamp(14px, 2.2vh, 24px);
}

body.presentation-mode .section--behaviors .section-heading h2 {
  font-size: clamp(34px, 3.3vw, 48px);
  line-height: 1.16;
}

body.presentation-mode .section--behaviors .section-heading > p:last-child {
  font-size: 13px;
  line-height: 1.7;
}

body.presentation-mode .behavior-selector {
  gap: 6px;
  margin-bottom: 12px;
}

body.presentation-mode .behavior-selector button {
  min-height: 44px;
  padding: 5px 4px;
  font-size: 10px;
}

body.presentation-mode .behavior-stage {
  min-height: clamp(420px, 50vh, 500px);
}

body.presentation-mode .behavior-stage__content {
  padding: clamp(24px, 3vw, 38px);
}

body.presentation-mode .behavior-stage__content h3 {
  font-size: clamp(26px, 2.7vw, 38px);
  line-height: 1.25;
}

body.presentation-mode .behavior-stage__description {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.65;
}

body.presentation-mode .behavior-tabs {
  margin-top: 16px;
}

body.presentation-mode .behavior-tabs button {
  padding: 8px 10px;
  font-size: 12px;
}

body.presentation-mode .behavior-list {
  min-height: 124px;
  gap: 4px;
  margin-top: 12px;
}

body.presentation-mode .behavior-list li {
  font-size: 12px;
  line-height: 1.5;
}

body.presentation-mode .behavior-question {
  min-height: 54px;
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.55;
}

body.presentation-mode .section--shared,
  body.presentation-mode .section--cases,
  body.presentation-mode .section--boundary,
  body.presentation-mode .section--reflection {
    padding: 66px 16px 92px;
  }

  body.presentation-mode .section-heading,
  body.presentation-mode .section--shared .section-heading,
  body.presentation-mode .section--cases .section-heading,
  body.presentation-mode .section--boundary .section-heading {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 26px;
  }

  body.presentation-mode .section-heading h2,
  body.presentation-mode .section--shared .section-heading h2,
  body.presentation-mode .section--cases .section-heading h2,
  body.presentation-mode .section--boundary .section-heading h2,
  body.presentation-mode .reflection-copy h2,
  body.presentation-mode .section--reflection .reflection-copy h2 {
    font-size: clamp(30px, 9.5vw, 40px);
    line-height: 1.22;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  body.presentation-mode .section-heading > p:last-child,
  body.presentation-mode .section--shared .section-heading > p:last-child,
  body.presentation-mode .section--cases .section-heading > p:last-child,
  body.presentation-mode .section--boundary .section-heading > p:last-child,
  body.presentation-mode .reflection-copy > p:not(.eyebrow) {
    font-size: 13px;
    line-height: 1.75;
  }

  body.presentation-mode .section--communication .communication-values,
  body.presentation-mode .section--shared .shared-experience,
  body.presentation-mode .section--boundary .boundary-grid,
  body.presentation-mode .section--reflection .reflection-layout,
  body.presentation-mode .case-layout {
    width: 100%;
    margin: 0;
  }

  body.presentation-mode .section--shared .shared-experience {
    padding: 16px 12px 20px;
  }

  body.presentation-mode .section--shared .shared-experience__scene {
    grid-template-columns: 1fr;
    min-height: 0;
    gap: 12px;
  }

  body.presentation-mode .section--shared .point-side,
  body.presentation-mode .section--shared .whole-side {
    min-height: 230px;
    padding: 42px 14px 16px;
  }

  body.presentation-mode .section--shared .person-dot,
  body.presentation-mode .section--shared .info-card {
    min-height: 42px;
    font-size: 11px;
  }

  body.presentation-mode .section--shared .team-board {
    padding: 14px;
  }

  body.presentation-mode .section--shared .team-board__item {
    min-height: 54px;
  }

  body.presentation-mode .case-layout,
  body.presentation-mode .section--reflection .reflection-layout {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  body.presentation-mode .case-nav {
    display: flex;
    margin-right: -16px;
    overflow-x: auto;
    padding-right: 16px;
  }

  body.presentation-mode .case-nav button {
    min-width: 150px;
    min-height: 48px;
  }

  body.presentation-mode .case-stage {
    display: block;
    min-height: 0;
    padding: 22px 18px;
  }

  body.presentation-mode .case-option {
    min-height: 48px;
    font-size: 12px;
  }

  body.presentation-mode .section--boundary .boundary-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  body.presentation-mode .section--boundary .boundary-panel {
    min-height: 0;
    padding: 24px 18px;
  }

  body.presentation-mode .section--boundary .boundary-panel h3 {
    font-size: clamp(23px, 7vw, 30px);
  }

  body.presentation-mode .section--boundary .three-notes {
    grid-template-columns: 1fr;
  }

  body.presentation-mode .section--boundary .three-notes span {
    min-height: 42px;
  }

  body.presentation-mode .section--reflection .reflection-copy img {
    height: 240px;
    margin-top: 18px;
  }

  body.presentation-mode .section--reflection .commitment-form {
    padding: 22px 16px;
  }

  body.presentation-mode .section--reflection .commitment-options {
    grid-template-columns: 1fr;
  }

  body.presentation-mode .section--reflection .commitment-option label {
    min-height: 42px;
  }

  body.presentation-mode .section--reflection .commitment-form textarea {
    min-height: 110px;
  }

  .hero {
    min-height: auto;
    overflow: visible;
    padding-bottom: 72px;
    background: var(--paper);
  }

  .hero::after {
    display: none;
  }

  .hero__image {
    position: relative;
    height: clamp(240px, 52svh, 430px);
    object-position: center top;
  }

  .hero__content {
    width: 100%;
    min-height: 0;
    justify-content: flex-start;
    padding: 26px 20px 24px;
    background: var(--paper);
  }

  .hero h1 {
    font-size: clamp(42px, 13vw, 58px);
    line-height: 1.04;
  }

  .hero__lead {
    font-size: 18px;
    line-height: 1.55;
  }

  .hero__intro {
    max-width: none;
  }

  .hero__actions {
    gap: 8px;
  }

  .hero__actions .button {
    flex: 1 1 150px;
    padding-inline: 12px;
  }

  .next-peek {
    position: static;
    width: calc(100% - 40px);
    margin: 0 20px 0;
    background: var(--white);
  }

  .feature-figure img,
  .shared-meaning .feature-figure img {
    height: 220px;
    aspect-ratio: auto;
    object-fit: cover;
    object-position: center;
  }

  .behavior-stage__media {
    height: 220px;
    min-height: 0;
  }

  .reflection-copy img,
  body.presentation-mode .section--reflection .reflection-copy img {
    height: 220px;
    object-position: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@page {
  size: A4;
  margin: 12mm;
}


/* Mission / Vision responsive safeguards */
@media (max-width: 1100px) {
  .mission-layout,
  body.presentation-mode .section--mission .mission-layout,
body.presentation-mode .section--vision .mission-layout {
    grid-template-columns: 1fr;
  }

  body.presentation-mode .section--mission .section__inner,
body.presentation-mode .section--vision .section__inner {
    width: min(100%, 980px);
    min-height: auto;
  }
}


/* Tablet shared-experience flow */
@media (max-width: 900px) {
  .section--communication .title-keep,
  .section--shared .title-keep,
  .section--boundary .title-keep,
  .section--reflection .title-keep {
    white-space: normal;
  }

  .shared-experience__scene {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .point-side {
    grid-template-columns: 1fr;
  }

  .share-lane {
    justify-items: center;
    gap: 8px;
  }

  .share-lane span {
    width: 2px;
    height: 0;
    min-height: 0;
    transition: height 500ms ease;
  }

  .share-lane span::after {
    right: 50%;
    top: auto;
    bottom: 0;
    transform: translateX(50%) rotate(135deg);
  }

  .shared-experience.is-shared .share-lane span {
    width: 2px;
    height: 14px;
  }

  .shared-experience.is-shared .info-card {
    animation: send-card-mobile 650ms ease forwards;
  }

  @keyframes send-card-mobile {
    0% { opacity: 1; transform: translateY(0) rotate(0); }
    70% { opacity: 1; transform: translateY(120%) rotate(1deg) scale(0.95); }
    100% { opacity: 0; transform: translateY(155%) rotate(1deg) scale(0.9); }
  }
}
@media (max-width: 760px) {
  .mission-layout,
  body.presentation-mode .section--mission .mission-layout,
body.presentation-mode .section--vision .mission-layout {
    gap: 36px;
  }

  .mission-figure img,
  body.presentation-mode .section--mission .mission-figure img,
body.presentation-mode .section--vision .mission-figure img {
    height: 220px;
    aspect-ratio: auto;
    object-fit: cover;
    object-position: center;
  }

  .mission-statement {
    padding-left: 16px;
  }

  .mission-statement h3,
  body.presentation-mode .section--mission .mission-statement h3,
body.presentation-mode .section--vision .mission-statement h3 {
    font-size: clamp(22px, 6.4vw, 30px);
    overflow-wrap: anywhere;
    word-break: normal;
  }
}


/* Tablet presentation Mission/Vision fit */
@media (min-width: 761px) and (max-width: 1100px) {
  body.presentation-mode .section--mission,
  body.presentation-mode .section--vision {
    padding-top: 28px;
    padding-bottom: 76px;
  }

  body.presentation-mode .section--mission .mission-layout,
  body.presentation-mode .section--vision .mission-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 28px;
    align-items: center;
  }

  body.presentation-mode .section--mission .mission-figure img,
  body.presentation-mode .section--vision .mission-figure img {
    max-height: 300px;
  }

  body.presentation-mode .section--mission .mission-statement h3,
  body.presentation-mode .section--vision .mission-statement h3 {
    font-size: clamp(22px, 3vw, 30px);
  }
}
/* Responsive verification overrides */
@media (min-width: 761px) {
  .mission-figure img,
  .feature-figure img {
    height: auto;
  }
}

@media (max-width: 1060px) {
  .section--communication .section-heading,
  .section--direction .section-heading,
  .section--shared .section-heading,
  .section--boundary .section-heading {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .section--communication .section-heading h2,
  .section--shared .section-heading h2,
  .section--boundary .section-heading h2,
  .reflection-copy h2 {
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  .section--communication .title-keep,
  .section--shared .title-keep,
  .section--boundary .title-keep,
  .section--reflection .title-keep {
    white-space: normal;
  }

  .mission-layout,
  .communication-values,
  .direction-layout,
  .behavior-stage,
  .shared-meaning,
  .reflection-layout {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 761px) and (max-width: 900px) {
  .shared-experience__scene {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .point-side {
    grid-template-columns: 1fr;
  }

  .share-lane {
    justify-items: center;
    gap: 8px;
  }

  .share-lane span {
    width: 2px;
    height: 0;
    min-height: 0;
    transition: height 500ms ease;
  }

  .share-lane span::after {
    right: 50%;
    top: auto;
    bottom: 0;
    transform: translateX(50%) rotate(135deg);
  }

  .shared-experience.is-shared .share-lane span {
    width: 2px;
    height: 14px;
  }
}

/* Presentation mission fit tuning */
@media (min-width: 1061px) {
  body.presentation-mode .section--mission,
body.presentation-mode .section--vision {
    padding-top: clamp(26px, 3vh, 42px);
    padding-bottom: 72px;
  }

  body.presentation-mode .section--mission .section-heading,
body.presentation-mode .section--vision .section-heading {
    margin-bottom: clamp(18px, 2.4vh, 28px);
  }

  body.presentation-mode .section--mission .mission-layout,
body.presentation-mode .section--vision .mission-layout {
    gap: clamp(24px, 4vw, 54px);
  }

  body.presentation-mode .section--mission .mission-figure img,
body.presentation-mode .section--vision .mission-figure img {
    max-height: min(34vh, 330px);
  }

  body.presentation-mode .section--mission .mission-figure figcaption,
body.presentation-mode .section--vision .mission-figure figcaption {
    margin-top: 8px;
  }

  body.presentation-mode .section--mission .mission-statements,
body.presentation-mode .section--vision .mission-statements {
    gap: 14px;
  }

  body.presentation-mode .section--mission .mission-statement h3,
body.presentation-mode .section--vision .mission-statement h3 {
    margin-bottom: 8px;
    font-size: clamp(22px, 1.9vw, 30px);
  }

  body.presentation-mode .section--mission .mission-statement p:last-child,
body.presentation-mode .section--vision .mission-statement p:last-child,
body.presentation-mode .section--mission .mission-bridge,
body.presentation-mode .section--vision .mission-bridge {
    font-size: 12px;
    line-height: 1.65;
  }

  body.presentation-mode .section--mission .mission-bridge,
body.presentation-mode .section--vision .mission-bridge {
    padding: 12px 16px;
  }
}


/* Tablet presentation fit for direction and behavior slides */
@media (min-width: 761px) and (max-width: 900px) {
  body.presentation-mode .section--direction,
  body.presentation-mode .section--behaviors {
    padding: 24px 36px 82px;
  }

  body.presentation-mode .section--direction .section__inner,
  body.presentation-mode .section--behaviors .section__inner {
    width: min(100%, 720px);
    min-height: calc(100vh - var(--header-height) - 128px);
    align-content: center;
  }

  body.presentation-mode .section--direction .section-heading {
    grid-template-columns: minmax(300px, 0.95fr) minmax(300px, 1.05fr);
    gap: 24px;
    align-items: end;
    margin-bottom: 22px;
  }

  body.presentation-mode .section--direction .section-heading h2 {
    max-width: 350px;
    font-size: 34px;
    line-height: 1.18;
  }

  body.presentation-mode .section--direction .section-heading > p:last-child {
    max-width: 320px;
    font-size: 11px;
    line-height: 1.7;
  }

  body.presentation-mode .section--direction .direction-layout {
    grid-template-columns: minmax(250px, 0.8fr) minmax(330px, 1.2fr);
    gap: 22px;
    align-items: center;
  }

  body.presentation-mode .section--direction .path-step {
    grid-template-columns: 38px 1fr;
    gap: 12px;
    padding: 8px 0;
  }

  body.presentation-mode .section--direction .path-step__number {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  body.presentation-mode .section--direction .path-step h3 {
    font-size: 17px;
    line-height: 1.28;
  }

  body.presentation-mode .section--direction .path-step p {
    font-size: 10px;
    line-height: 1.55;
  }

  body.presentation-mode .section--direction .path-line {
    height: 18px;
    margin-left: 17px;
  }

  body.presentation-mode .section--direction .feature-figure img {
    max-height: 260px;
  }

  body.presentation-mode .section--direction .feature-figure figcaption {
    margin-top: 8px;
    font-size: 10px;
    line-height: 1.55;
  }

  body.presentation-mode .section--behaviors .section-heading {
    margin-bottom: 12px;
  }

  body.presentation-mode .section--behaviors .section-heading h2 {
    font-size: 32px;
    line-height: 1.18;
  }

  body.presentation-mode .section--behaviors .section-heading > p:last-child {
    font-size: 11px;
    line-height: 1.6;
  }

  body.presentation-mode .section--behaviors .behavior-selector {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 5px;
    margin-bottom: 10px;
  }

  body.presentation-mode .section--behaviors .behavior-selector button {
    min-height: 38px;
    padding: 4px 3px;
    font-size: 9px;
    line-height: 1.25;
  }

  body.presentation-mode .section--behaviors .behavior-selector button span {
    margin-bottom: 1px;
    font-size: 10px;
  }

  body.presentation-mode .section--behaviors .behavior-stage {
    grid-template-columns: minmax(240px, 0.78fr) minmax(0, 1.22fr);
    min-height: 430px;
  }

  body.presentation-mode .section--behaviors .behavior-stage__media {
    min-height: 0;
  }

  body.presentation-mode .section--behaviors .behavior-stage__number {
    top: 14px;
    left: 14px;
    width: 40px;
    height: 40px;
    font-size: 15px;
  }

  body.presentation-mode .section--behaviors .behavior-stage__content {
    padding: 22px;
  }

  body.presentation-mode .section--behaviors .behavior-stage__content h3 {
    font-size: 25px;
    line-height: 1.22;
  }

  body.presentation-mode .section--behaviors .behavior-stage__description {
    margin-top: 10px;
    font-size: 11px;
    line-height: 1.55;
  }

  body.presentation-mode .section--behaviors .behavior-tabs {
    margin-top: 12px;
  }

  body.presentation-mode .section--behaviors .behavior-list {
    min-height: 112px;
    gap: 3px;
    margin-top: 10px;
  }

  body.presentation-mode .section--behaviors .behavior-list li {
    font-size: 11px;
    line-height: 1.4;
  }

  body.presentation-mode .section--behaviors .behavior-question {
    min-height: 46px;
    padding: 9px 12px;
    font-size: 11px;
    line-height: 1.45;
  }
}
/* Communication values presentation fit */
@media (min-width: 761px) and (max-width: 1100px) {
  body.presentation-mode .section--communication {
    padding-top: 26px;
    padding-bottom: 76px;
  }

  body.presentation-mode .section--communication .section__inner {
    min-height: calc(100vh - var(--header-height) - 144px);
  }

  body.presentation-mode .section--communication .section-heading {
    margin-bottom: 18px;
  }

  body.presentation-mode .section--communication .section-heading h2 {
    font-size: clamp(30px, 4vw, 42px);
  }

  body.presentation-mode .section--communication .communication-values {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  body.presentation-mode .section--communication .communication-card {
    min-height: 250px;
    padding: 18px;
  }

  body.presentation-mode .section--communication .communication-card__number {
    width: 34px;
    height: 34px;
    margin-bottom: 12px;
    font-size: 11px;
  }

  body.presentation-mode .section--communication .communication-card h3 {
    font-size: 18px;
    line-height: 1.28;
  }

  body.presentation-mode .section--communication .communication-card p {
    font-size: 11px;
    line-height: 1.58;
  }

  body.presentation-mode .section--communication .communication-bridge {
    margin-top: 16px;
    font-size: 11px;
    line-height: 1.55;
  }
}

/* Communication illustration cards */
.communication-card__figure {
  width: 100%;
  aspect-ratio: 4 / 3;
  margin: 0 0 22px;
  overflow: hidden;
  border: 1px solid rgba(19, 37, 63, 0.18);
  border-radius: 7px;
  background: #faf7ef;
}

.communication-card__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.communication-controls {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 18px;
}

.communication-step {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 12px;
  padding: 7px 12px;
  border: 1px solid rgba(19, 37, 63, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.communication-dots {
  display: inline-flex;
  gap: 7px;
}

.communication-dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 1px solid var(--navy-950);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
}

.communication-dots button.is-active,
.communication-dots button[aria-selected="true"] {
  background: var(--coral);
}

body.presentation-mode .section--communication .communication-values {
  grid-template-columns: minmax(0, 900px);
  justify-content: center;
}

body.presentation-mode .section--communication .communication-card {
  display: none;
  min-height: 360px;
}

body.presentation-mode .section--communication .communication-card.is-communication-active {
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(0, 1.08fr);
  grid-template-rows: auto auto 1fr;
  column-gap: clamp(22px, 3vw, 34px);
  align-items: start;
}

body.presentation-mode .section--communication .communication-card__figure {
  grid-row: 1 / 4;
  grid-column: 1;
  height: 100%;
  min-height: 280px;
  margin: 0;
}

body.presentation-mode .section--communication .communication-card__number,
body.presentation-mode .section--communication .communication-card h3,
body.presentation-mode .section--communication .communication-card p {
  grid-column: 2;
}

body.presentation-mode .section--communication .communication-controls {
  display: flex;
}

@media (min-width: 761px) and (max-width: 900px) {
  body.presentation-mode .section--communication .communication-values {
    grid-template-columns: minmax(0, 690px);
  }

  body.presentation-mode .section--communication .communication-card.is-communication-active {
    grid-template-columns: minmax(240px, 0.88fr) minmax(0, 1.12fr);
    column-gap: 20px;
  }

  body.presentation-mode .section--communication .communication-card__figure {
    min-height: 230px;
  }
}

@media (max-width: 760px) {
  body.presentation-mode .section--communication .communication-card.is-communication-active {
    display: block;
  }

  body.presentation-mode .section--communication .communication-card__figure {
    height: auto;
    min-height: 0;
    margin-bottom: 18px;
  }

  body.presentation-mode .section--communication .communication-controls {
    display: flex;
    gap: 10px;
  }

  .communication-step {
    gap: 9px;
    padding-inline: 10px;
  }
}

/* Keep the one-card communication slide within the presentation viewport. */
body.presentation-mode .section--communication .communication-bridge {
  display: none;
}

body.presentation-mode .section--communication .section-heading {
  margin-bottom: 16px;
}

body.presentation-mode .section--communication .communication-card {
  min-height: 330px;
}

body.presentation-mode .section--communication .communication-card__figure {
  min-height: 250px;
}
@media print {
  :root {
    --paper: #ffffff;
  }

  * {
    animation: none !important;
    transition: none !important;
  }

  .no-print,
  .behavior-stage,
  .case-layout,
  .shared-experience__action,
  .saved-commitment[hidden] {
    display: none !important;
  }

  body,
  body.presentation-mode {
    overflow: visible;
    background: #ffffff;
    color: #111827;
    font-size: 10pt;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  #book,
  .book-footer {
    margin: 0;
  }

  #book {
    padding: 0;
  }

  body.presentation-mode .chapter,
  .chapter {
    position: relative !important;
    inset: auto !important;
    display: block !important;
    width: auto !important;
    height: auto !important;
    min-height: 0 !important;
    overflow: visible !important;
  }

  .hero {
    min-height: 175mm !important;
    margin: 0;
    break-after: page;
  }

  .hero__content {
    min-height: 175mm !important;
    padding: 18mm 8mm;
  }

  .hero h1 {
    font-size: 44pt;
  }

  .section {
    min-height: 0;
    padding: 12mm 0;
    break-before: page;
    border: 0;
  }

  .section-heading {
    margin-bottom: 8mm;
  }

  .section-heading h2,
  .reflection-copy h2 {
    font-size: 28pt;
  }

  .communication-values,
  .direction-layout,
  .shared-meaning,
  .reflection-layout,
  .boundary-grid,
  .misalignment {
    grid-template-columns: repeat(2, 1fr);
    gap: 8mm;
  }

  .feature-figure img,
  .reflection-copy img {
    max-height: 95mm;
  }

  .print-behaviors,
  .print-cases {
    display: grid;
    gap: 7mm;
  }

  .print-behavior,
  .print-case {
    padding: 6mm;
    border: 1px solid #b7bdc4;
    break-inside: avoid;
  }

  .print-behavior h3,
  .print-case h3 {
    margin: 0 0 3mm;
    color: var(--navy-950);
    font-size: 17pt;
    line-height: 1.35;
  }

  .print-behavior__columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6mm;
  }

  .print-behavior h4,
  .print-case h4 {
    margin: 0 0 2mm;
    font-size: 10pt;
  }

  .print-behavior ul,
  .print-case p {
    margin: 0;
  }

  .shared-experience {
    break-inside: avoid;
  }

  .shared-experience__scene {
    min-height: 0;
  }

  .shared-message {
    color: #111827;
  }

  .closing-message {
    margin-top: 12mm;
    break-inside: avoid;
  }

  .commitment-form {
    box-shadow: none;
  }

  .commitment-form textarea {
    min-height: 35mm;
  }

  .book-footer {
    display: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}