:root {
  color-scheme: dark;
  --bg: #0b1220;
  --panel: #111c2e;
  --aux: #17243a;
  --ink: #e8eef6;
  --muted: #9fb0c3;
  --blue: #4ea1ff;
  --green: #39c98a;
  --orange: #ff9a4d;
  --line: #26364d;
  --blue-light: #17243a;
  --green-light: #132e2a;
  --risk-bg: #30241f;
  --stage-bg: #0b1220;
  --button-ink: #0b1220;
  --blue-hover: #75b6ff;
  --green-hover: #61d7a2;
  --question-ink: #4ea1ff;
  --control-line: #647b96;
  --disabled-bg: #17243a;
  --disabled-ink: #9fb0c3;
  --person: #788ca4;
  --helmet: #9fb0c3;
  --own-helmet: #173e32;
  --orbit-center: #13292c;
  --orbit-mid: #111c2e;
  --visual-green-bg: #132e2a;
  --visual-green-ink: #39c98a;
  --visual-green-muted: #9fb0c3;
  --shadow: 0 8px 24px #00000014;
  font-family: "Yu Gothic", "Meiryo", sans-serif;
  font-synthesis: none;
  color: var(--ink);
  background: var(--bg);
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --panel: #ffffff;
  --aux: #f3f7fa;
  --ink: #172b3a;
  --muted: #465766;
  --blue: #145da0;
  --green: #146c43;
  --orange: #9a4600;
  --line: #dbe4e9;
  --blue-light: #f0f6fc;
  --green-light: #edf7f1;
  --risk-bg: #fff5eb;
  --stage-bg: #f4f7f9;
  --button-ink: #ffffff;
  --blue-hover: #104b81;
  --green-hover: #105434;
  --question-ink: #164b76;
  --control-line: #71869a;
  --disabled-bg: #e3e8ec;
  --disabled-ink: #586776;
  --person: #a6b7c4;
  --helmet: #6a8295;
  --own-helmet: #0d492d;
  --orbit-center: #eff8f5;
  --orbit-mid: #f4f8fd;
  --visual-green-bg: #146c43;
  --visual-green-ink: #ffffff;
  --visual-green-muted: #d7eee0;
  --shadow: 0 8px 24px #223d4a09;
}
* { box-sizing: border-box; }
body { margin: 0; }
button { font: inherit; cursor: pointer; touch-action: manipulation; }
button:disabled { cursor: default; }
button, h1 { -webkit-tap-highlight-color: transparent; }
button:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
h1:focus { outline: none; scroll-margin-top: 20px; }
h1, h2, p { margin: 0; }
[hidden] { display: none !important; }
.site-header { min-height: 80px; padding: 16px 4.2%; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); }
.wordmark { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; letter-spacing: -.6px; white-space: nowrap; }
.brand-mark { display: inline-block; width: 17px; height: 22px; border-left: 6px solid var(--blue); border-right: 6px solid var(--green); transform: skewY(-20deg); }
.header-actions { display: flex; align-items: center; gap: 24px; }
.theme-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 3px; min-width: 86px; min-height: 44px; padding: 4px 6px; border: 1px solid var(--control-line); border-radius: 9px; background: var(--panel); color: var(--muted); }
.theme-toggle:hover { background: var(--aux); }
.theme-toggle .theme-sun, .theme-toggle .theme-moon { display: grid; place-items: center; width: 28px; height: 30px; border: 1px solid transparent; border-radius: 5px; font-size: 18px; }
.theme-divider { font-size: 12px; }
:root[data-theme="dark"] .theme-moon, :root[data-theme="light"] .theme-sun { border-color: var(--blue); background: var(--blue-light); color: var(--ink); }
.demo-badge { border: 1px solid var(--line); color: var(--muted); font-size: 12px; font-weight: 600; padding: 6px 9px; border-radius: 5px; white-space: nowrap; }
.reset-button { border: 0; background: transparent; color: var(--muted); min-height: 44px; padding: 8px; font-size: 15px; }
.reset-button:hover { color: var(--blue); background: var(--blue-light); border-radius: 6px; }
#stage { padding: 30px 24px; min-height: calc(100svh - 80px); }
#stage.phone-mode { background: var(--stage-bg); padding: 20px 24px 28px; }
.wide-scene { max-width: 1120px; margin: 0 auto; }
.eyebrow { color: var(--blue); font-size: 17px; font-weight: 700; letter-spacing: .09em; }
.intro { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; min-height: min(730px, calc(100svh - 140px)); padding: 32px 0 60px; }
.hero-title { font-size: clamp(62px, 7vw, 94px); letter-spacing: -.065em; line-height: 1.25; margin: 17px 0 20px; font-weight: 800; }
.hero-title span { color: var(--blue); }
.hero-message { font-size: clamp(26px, 2.65vw, 36px); font-weight: 700; line-height: 1.65; letter-spacing: .01em; }
.human-word { color: var(--green); }
.intro-action { margin-top: 30px; }
.duration { font-size: 17px; color: var(--muted); margin-bottom: 12px; }
.duration span { font-size: 23px; vertical-align: -1px; margin-right: 5px; }
.primary { display: flex; justify-content: space-between; align-items: center; gap: 16px; background: var(--blue); color: var(--button-ink); border: 2px solid transparent; border-radius: 9px; min-height: 58px; padding: 13px 22px; font-size: 20px; line-height: 1.5; font-weight: 700; text-align: left; }
.primary:hover:not(:disabled) { background: var(--blue-hover); }
.primary span { font-size: 23px; }
.primary:active:not(:disabled) { transform: translateY(1px); }
.intro .primary { width: 310px; }
.scope-note { font-size: 14px; color: var(--muted); margin-top: 12px; }
.intro-visual { position: relative; isolation: isolate; padding: 76px 12px 66px; }
.orbit { position: absolute; z-index: -1; border: 1px solid var(--line); width: 420px; height: 420px; border-radius: 50%; left: 6px; top: 16px; }
.orbit-two { width: 310px; height: 310px; left: 62px; top: 72px; background: radial-gradient(circle, var(--orbit-center), var(--orbit-mid) 62%, var(--panel)); border: 0; }
.visual-caption { font-size: 16px; font-weight: 700; color: var(--muted); margin: 0 0 24px 14px; }
.idea-line { display: flex; align-items: center; gap: 18px; background: var(--panel); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 12px; padding: 23px 20px; max-width: 338px; font-size: 23px; font-weight: 700; margin-bottom: 18px; }
.visual-number { font-size: 13px; font-weight: 500; color: var(--muted); }
.idea-first { transform: translateX(0); }
.idea-second { margin-left: 36px; color: var(--blue); border-left: 4px solid var(--blue); }
.idea-third { margin-left: 72px; background: var(--visual-green-bg); color: var(--visual-green-ink); border-color: var(--green); }
.idea-third .visual-number { color: var(--visual-green-muted); }
.idea-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); margin-left: auto; }
.idea-second .idea-dot { background: var(--blue); }
.idea-check { margin-left: auto; }
.visual-footer { margin: 26px 0 0 60px; font-size: 14px; color: var(--muted); }
.scene-footnote { position: absolute; bottom: 0; left: 0; right: 0; display: flex; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 18px; font-size: 11px; letter-spacing: .16em; color: var(--muted); }
.work-scene { padding: 20px 0; }
.work-scene h1 { font-size: 28px; margin: 8px 0 14px; }
.work-title { font-size: clamp(26px, 3vw, 38px); line-height: 1.6; font-weight: 700; }
.work-detail { font-size: .72em; }
.crew-section { margin: 28px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 20px 0 24px; }
.crew-heading { display: flex; gap: 24px; align-items: center; }
.crew-heading > p:last-child { font-size: 20px; }
.crew-count { font-size: 20px; white-space: nowrap; }
.crew-count span { font-size: 38px; font-weight: 700; padding: 0 5px; }
.crew { list-style: none; display: grid; grid-template-columns: repeat(8, 1fr); padding: 0; margin: 18px 0 0; gap: 12px; }
.crew li { text-align: center; padding: 15px 6px 10px; color: var(--muted); font-size: 16px; border-radius: 10px; border: 1px solid transparent; }
.crew li.is-you { background: var(--green-light); border-color: var(--green); color: var(--green); font-weight: 700; }
.person { position: relative; width: 56px; height: 70px; margin: 0 auto 12px; color: var(--person); }
.person::before { content: ""; position: absolute; width: 27px; height: 28px; background: currentColor; border-radius: 13px 13px 11px 11px; top: 3px; left: 15px; }
.person::after { content: ""; position: absolute; width: 50px; height: 33px; background: currentColor; border-radius: 21px 21px 5px 5px; bottom: 0; left: 3px; }
.person .helmet { position: absolute; width: 37px; height: 5px; background: var(--helmet); top: 14px; left: 10px; z-index: 1; border-radius: 2px; }
.is-you .person { color: var(--green); }
.is-you .helmet { background: var(--own-helmet); }
.work-scene .primary { width: 310px; }
.work-note { font-size: 16px; color: var(--muted); margin-top: 14px; }
.phone-scene { width: 480px; max-width: 100%; margin: 0 auto; border: 1px solid var(--line); border-radius: 23px; background: var(--panel); overflow: hidden; box-shadow: var(--shadow); }
.device-label { min-height: 45px; display: flex; align-items: center; gap: 8px; padding: 10px 24px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.tiny-phone { display: inline-block; width: 10px; height: 16px; border: 1.5px solid currentColor; border-radius: 2px; }
.device-user { margin-left: auto; color: var(--green); font-weight: 700; }
.phone-body { padding: 20px 24px 24px; }
.ky-progress { list-style: none; padding: 0; display: flex; margin: 0 0 16px; gap: 8px; }
.ky-progress li { flex: 1; padding: 0 0 8px; border-bottom: 3px solid var(--line); font-size: 14px; color: var(--muted); }
.ky-progress li.current { border-color: var(--blue); color: var(--blue); font-weight: 700; }
.ky-progress li.done { border-color: var(--green); color: var(--green); }
.previous { border-left: 3px solid var(--line); padding-left: 12px; margin-bottom: 16px; }
.previous-label { font-size: 13px; color: var(--muted); margin-bottom: 3px; }
.previous-text { font-size: 17px; line-height: 1.5; }
.question-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 13px; margin-bottom: 8px; }
.air-label { color: var(--blue); display: flex; align-items: center; gap: 7px; font-weight: 700; }
.air-label .brand-mark { width: 11px; height: 15px; border-width: 4px; }
.question-step { color: var(--blue); font-weight: 700; }
.question-title { color: var(--question-ink); font-size: 24px; line-height: 1.55; letter-spacing: -.02em; font-weight: 700; }
.selection-hint { font-size: 14px; color: var(--muted); margin: 20px 0 7px; }
.answer-choice { display: flex; align-items: center; gap: 12px; width: 100%; border: 1px solid var(--control-line); border-radius: 9px; padding: 13px 15px; color: var(--ink); background: var(--panel); font-size: 19px; line-height: 1.6; text-align: left; }
.answer-choice:hover { border-color: var(--blue); background: var(--blue-light); }
.answer-choice[aria-pressed="true"] { border-color: var(--green); background: var(--green-light); box-shadow: inset 0 0 0 1px var(--green); }
.choice-indicator { border: 1px solid var(--control-line); border-radius: 50%; width: 25px; height: 25px; flex-shrink: 0; display: grid; place-items: center; color: var(--blue); font-size: 17px; line-height: 1; }
.answer-choice[aria-pressed="true"] .choice-indicator { background: var(--green); color: var(--button-ink); border-color: var(--green); }
.your-answer { margin: 16px 0; padding-left: 12px; border-left: 3px solid var(--line); }
.your-answer.has-answer { border-color: var(--green); }
.answer-label { color: var(--green); font-size: 14px; font-weight: 700; margin-bottom: 4px; display: flex; justify-content: space-between; }
.selected-status { font-size: 12px; }
.answer-output { font-size: 18px; line-height: 1.5; min-height: 54px; }
.answer-output.empty { font-size: 16px; color: var(--muted); }
.phone-scene .primary { width: 100%; }
.confirm { background: var(--green); }
.confirm:hover:not(:disabled) { background: var(--green-hover); }
.primary:disabled { background: var(--disabled-bg); color: var(--disabled-ink); border-color: var(--control-line); border-style: dashed; }
.primary:disabled > span { visibility: hidden; }
.completion-label { color: var(--green); font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.summary-body h1 { font-size: 30px; line-height: 1.4; }
.summary-lead { color: var(--muted); font-size: 16px; line-height: 1.6; margin: 8px 0 16px; }
.summary-section { padding: 14px 18px; border-radius: 0 9px 9px 0; border-left: 4px solid; }
.summary-section h2 { font-size: 17px; display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.summary-section h2 span { border: 1px solid currentColor; border-radius: 50%; width: 21px; height: 21px; text-align: center; font-size: 14px; line-height: 19px; }
.summary-section p { font-size: 22px; line-height: 1.5; font-weight: 600; }
.risk { border-color: var(--orange); background: var(--risk-bg); margin-bottom: 16px; }
.risk h2 { color: var(--orange); }
.measure { border-color: var(--blue); background: var(--blue-light); }
.measure h2 { color: var(--blue); }
.organize-note { font-size: 17px; color: var(--muted); line-height: 1.65; margin: 16px 0; text-align: center; }
.local-note { color: var(--muted); font-size: 13px; line-height: 1.6; margin-top: 12px; text-align: center; }
.complete-body { padding: 54px 30px; text-align: center; }
.complete-symbol { width: 74px; height: 74px; display: grid; place-items: center; background: var(--green-light); color: var(--green); font-size: 38px; border-radius: 50%; margin: 0 auto 30px; }
.complete-body .eyebrow { font-size: 12px; color: var(--green); }
.complete-body h1 { font-size: 32px; margin: 12px 0 24px; }
.complete-message { font-size: 22px; line-height: 1.8; }
.completion-journey { display: flex; justify-content: center; gap: 14px; padding: 24px 0; margin: 24px 0; border-block: 1px solid var(--line); color: var(--green); font-size: 16px; font-weight: 700; }
.restart-note { margin-top: 24px; font-size: 15px; line-height: 1.7; color: var(--muted); }
.noscript { padding: 40px; }
.scene-enter { animation: appear 200ms ease-out both; }
@keyframes appear { from { opacity: 0; } to { opacity: 1; } }
@media (min-width: 1600px) { #stage { padding-top: 60px; } #stage.phone-mode { padding-top: 40px; } }
@media (max-width: 900px) {
  .intro { gap: 20px; grid-template-columns: 1fr 1fr; }
  .intro-visual { padding-inline: 0; }
  .orbit { width: 280px; height: 280px; left: 0; top: 70px; }
  .orbit-two { width: 200px; height: 200px; left: 40px; top: 110px; }
  .idea-line { font-size: 19px; padding: 18px 14px; gap: 10px; }
  .idea-second { margin-left: 14px; }
  .idea-third { margin-left: 28px; }
  .visual-footer { margin-left: 12px; }
  .crew { gap: 3px; }
}
@media (max-width: 650px) {
  .site-header { min-height: 108px; padding: 8px 16px; gap: 4px 12px; display: grid; grid-template-columns: 1fr auto; }
  .wordmark { font-size: 17px; gap: 6px; }
  .wordmark .brand-mark { width: 12px; height: 17px; border-width: 4px; }
  .header-actions { display: contents; }
  .theme-toggle { grid-row: 1; grid-column: 2; }
  .demo-badge { grid-row: 2; grid-column: 1; justify-self: start; font-size: 10px; padding: 5px; }
  .reset-button { grid-row: 2; grid-column: 2; font-size: 13px; padding: 5px; }
  .reset-button span { display: none; }
  #stage { padding: 26px 22px; min-height: calc(100svh - 108px); }
  .intro { display: block; padding: 20px 0 58px; min-height: calc(100svh - 160px); }
  .intro-copy .eyebrow { font-size: 14px; }
  .hero-title { font-size: clamp(56px, 12vw, 76px); margin-block: 20px; }
  .hero-message { font-size: 27px; line-height: 1.8; }
  .intro-action { margin-top: 30px; }
  .intro .primary { width: 100%; }
  .intro-visual { display: none; }
  .work-scene { padding: 4px 0; }
  .work-scene h1 { font-size: 24px; }
  .work-title { font-size: 25px; }
  .desktop-break { display: none; }
  .crew-section { margin-block: 24px; }
  .crew-heading { display: block; }
  .crew-heading > p:last-child { font-size: 18px; }
  .crew { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .crew li { font-size: 14px; }
  .person { transform: scale(.85); margin-bottom: 4px; height: 60px; }
  .work-scene .primary { width: 100%; }
}
@media (max-width: 520px) {
  #stage.phone-mode { padding: 0 0 24px; background: var(--stage-bg); }
  .phone-scene { width: 100%; border: 0; border-radius: 0; box-shadow: none; }
  .phone-body { padding: 18px 20px 24px; }
  .device-label { padding-inline: 20px; }
  .question-title { font-size: 22px; }
  .previous-text { font-size: 16px; }
  .answer-choice { font-size: 18px; padding: 12px; }
  .summary-section p { font-size: 21px; }
  .complete-body { padding: 40px 24px; }
}
/* Phase 2: compare all eight submissions, then the leader selects one. */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.back-navigation { max-width: 1296px; margin: 0 auto; padding: 4px 28px 0; }
#back { min-height: 44px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); font-size: 14px; padding: 8px 10px; }
#back:hover { background: var(--aux); color: var(--blue); }
.back-navigation:not([hidden]) + #stage { min-height: calc(100svh - 128px); }
#stage.tablet-mode { background: var(--stage-bg); padding: 12px 28px 28px; }
.tablet-scene { max-width: 1240px; margin: 0 auto; background: var(--panel); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); line-height: 1.5; }
.tablet-label { display: flex; align-items: center; gap: 9px; padding: 8px 26px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.tablet-label > span:last-child { margin-left: auto; color: var(--green); font-weight: 700; }
.tablet-icon { display: inline-block; height: 14px; width: 20px; border: 1.5px solid currentColor; border-radius: 3px; }
.tablet-body { padding: 22px 26px; }
.tablet-kicker { color: var(--muted); font-size: 14px; margin-bottom: 6px; }
.tablet-body h1 { font-size: 32px; line-height: 1.5; }
.collection-instruction { font-size: 19px; line-height: 1.6; margin: 12px 0 8px; }
.collection-notes { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 22px; color: var(--muted); font-size: 13px; }
.collection-notes > p:first-child { color: var(--green); font-size: 17px; }
.ky-table { width: 100%; border-collapse: separate; border-spacing: 0; table-layout: fixed; text-align: left; }
.select-col { width: 60px; }
.person-col { width: 100px; }
.risk-col { width: 45%; }
.ky-table thead th { background: var(--aux); padding: 12px 10px; color: var(--muted); font-size: 14px; font-weight: 600; }
.ky-table tbody td, .ky-table tbody th { border-bottom: 1px solid var(--line); padding: 14px 10px; vertical-align: middle; }
.ky-row { cursor: pointer; }
.ky-row:hover { background: var(--aux); }
.ky-row.is-selected { background: var(--green-light); box-shadow: inset 3px 0 var(--green); }
.ky-row.is-selected td, .ky-row.is-selected th { border-bottom-color: var(--green); }
.ky-person { font-weight: 400; }
.member-id { display: block; font-size: 13px; color: var(--muted); }
.member-name { display: block; font-size: 17px; font-weight: 600; margin-top: 4px; }
.is-you .member-name { color: var(--blue); }
.row-selected { display: block; font-size: 11px; color: var(--green); margin-top: 6px; white-space: nowrap; }
.member-risk, .member-measure { font-size: 18px; line-height: 1.65; overflow-wrap: anywhere; }
.radio-target { display: grid; place-items: center; min-height: 44px; width: 44px; cursor: pointer; }
.ky-table .ky-selector { padding-inline: 6px; }
.ky-table input { appearance: none; width: 24px; height: 24px; margin: 0; background: var(--panel); border: 2px solid var(--control-line); border-radius: 50%; cursor: pointer; }
.ky-table input:checked { background: var(--green); border-color: var(--green); box-shadow: inset 0 0 0 5px var(--panel); }
.ky-table input:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
.ky-row:has(input:focus-visible) { outline: 2px solid var(--blue); outline-offset: -2px; }
.tablet-actions { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 22px; }
.tablet-actions p { color: var(--muted); font-size: 15px; line-height: 1.65; }
.tablet-actions .primary { font-size: 18px; }
@media (min-width: 1600px) { #stage.tablet-mode { padding-top: 24px; } }
@media (max-width: 760px) {
  #stage.tablet-mode { padding: 8px 12px 24px; }
  .tablet-body { padding: 20px; }
  .tablet-body h1 { font-size: 27px; }
  .collection-instruction { font-size: 18px; }
  .collection-notes { align-items: flex-start; flex-direction: column; }
  .ky-table, .ky-table tbody { display: block; }
  .ky-table colgroup { display: none; }
  .ky-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .ky-row { display: grid; grid-template-columns: 54px minmax(0, 1fr); padding: 12px; border: 1px solid var(--line); border-bottom: 0; }
  .ky-row:last-child { border-bottom: 1px solid var(--line); }
  .ky-table tbody td, .ky-table tbody th { border: 0; padding: 6px 0; }
  .ky-person { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
  .member-id, .member-name, .row-selected { margin: 0; }
  .member-risk, .member-measure { grid-column: 1 / -1; font-size: 18px; }
  .member-risk::before, .member-measure::before { content: attr(data-label); display: block; margin-bottom: 4px; font-size: 13px; font-weight: 600; color: var(--muted); }
  .member-risk::before { color: var(--orange); }
  .tablet-actions { align-items: stretch; flex-direction: column; gap: 12px; }
  .tablet-actions .primary { font-size: 17px; }
}
@media (max-width: 650px) {
  .back-navigation { padding-inline: 12px; }
  .back-navigation:not([hidden]) + #stage { min-height: calc(100svh - 156px); }
}
@media (max-width: 430px) { .tablet-body { padding: 16px; } .tablet-label { padding-inline: 16px; font-size: 12px; } }

/* Phase 3: lessons, human adoption, and a quiet closing sequence. */
.phase3-scene { padding: 32px; max-width: 1120px; }
.phase3-scene h1 { font-size: clamp(26px, 2.6vw, 36px); line-height: 1.55; margin: 8px 0 18px; }
.phase3-scene .eyebrow { font-size: 16px; }
.scenario-note { border-left: 3px solid var(--blue); background: var(--aux); padding: 14px 18px; margin: 18px 0; font-size: 17px; line-height: 1.7; text-align: left; }
.clip-badge { display: inline-block; border: 1px solid var(--blue); color: var(--blue); padding: 7px 12px; border-radius: 6px; font-size: 16px; }
.chosen-risk { font-size: 16px; color: var(--muted); line-height: 1.7; margin: 16px 0 24px; }
.clip-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.clip-columns h2 { font-size: 26px; line-height: 1.65; margin: 8px 0 18px; }
.clip-columns p:not(.section-label) { font-size: 21px; line-height: 1.8; }
.case-story { border-left: 4px solid var(--orange); padding-left: 22px; }
.case-story .section-label { color: var(--orange); }
.case-lesson { background: var(--aux); padding: 22px; border-radius: 12px; }
.case-lesson h2 { color: var(--blue); }
.section-label { font-size: 16px; font-weight: 700; color: var(--blue); margin-bottom: 8px; }
.clip-disclaimer { color: var(--muted); font-size: 16px; line-height: 1.7; margin-top: 24px; }
.phase3-actions { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); }
.action-status { color: var(--green); font-size: 17px; line-height: 1.6; }
.measure-list { margin: 20px 0; }
.measure-row { display: grid; grid-template-columns: 62px 1fr; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.measure-row:first-child { border-top: 1px solid var(--line); }
.measure-number { color: var(--blue); font-size: 34px; font-weight: 700; }
.measure-row:nth-child(2) .measure-number { color: var(--muted); }
.measure-row:nth-child(3) .measure-number { color: var(--green); }
.measure-row h2 { font-size: 20px; line-height: 1.6; }
.measure-source { font-size: 15px; color: var(--muted); line-height: 1.7; margin: 2px 0 8px; }
.measure-content { font-size: 23px; line-height: 1.75; }
.compact-measures .measure-row { padding: 16px 0; }
.compact-measures .measure-content { font-size: 19px; }
.leader-choice { font-size: 23px; padding: 22px; }
.leader-choice > span:first-child { flex: 1; }
.merging-sources { display: flex; justify-content: space-around; align-items: center; gap: 16px; padding: 14px 0; font-size: 22px; }
.merging-sources span:first-child { color: var(--blue); }
.merging-sources span:last-child { color: var(--green); }
.merging-sources b { font-size: 18px; color: var(--muted); }
.merge-line { height: 18px; width: 78%; border: 1px solid var(--line); border-top: 0; margin: 0 auto 26px; position: relative; border-radius: 0 0 10px 10px; }
.merge-line::after { content: ''; position: absolute; height: 18px; width: 2px; background: var(--green); top: 100%; left: 50%; }
.adoption-controls { display: grid; gap: 16px; justify-items: start; margin-top: 26px; }
.proposal-scene, .chant-scene { text-align: center; }
.proposal-status { display: inline-block; color: var(--blue); border: 1px solid var(--blue); border-radius: 6px; padding: 8px 16px; font-size: 18px; }
.chant-words { font-size: clamp(32px, 4vw, 56px); line-height: 1.6; font-weight: 700; color: var(--green); margin: 30px 0; overflow-wrap: anywhere; }
.proposal-scene .chant-words { color: var(--blue); }
.chant-call { display: inline-block; white-space: nowrap; }
.chant-note { font-size: 17px; color: var(--muted); line-height: 1.7; margin: 18px 0; }
.proposal-scene .primary, .chant-scene .primary { margin: 24px auto; }
.proposal-scene .measure-list { text-align: left; }
.chant-crew { display: grid; grid-template-columns: repeat(8,minmax(0,1fr)); gap: 12px; list-style: none; padding: 20px 0; margin: 24px 0; border-block: 1px solid var(--line); }
.chant-crew li { animation: crew-response 700ms ease-out 1; }
.chant-crew strong { display: block; color: var(--green); margin: 0 0 18px; font-size: 21px; white-space: nowrap; }
.chant-crew .person { color: var(--green); }
.chant-person-label { font-size: 14px; color: var(--muted); }
@keyframes crew-response { 0%,100% { transform: translateY(0); } 45% { transform: translateY(-8px); } }
.human-scene { min-height: calc(100svh - 210px); display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 80px; text-align: center; }
.human-scene h1 { font-size: clamp(42px, 7vw, 92px); line-height: 1.65; letter-spacing: .02em; }
.human-scene h1 span { color: var(--green); white-space: nowrap; }
.quiet-next { min-height: 48px; padding: 12px 20px; background: transparent; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); font-size: 17px; }
.quiet-next:hover { color: var(--blue); border-color: var(--blue); }
.final-scene { padding: 32px 0; text-align: center; }
.final-scene h1 { font-size: clamp(28px, 3.3vw, 46px); line-height: 1.85; margin: 28px 0; }
.final-scene h1 span { color: var(--green); }
.final-brand { font-size: 36px; font-weight: 800; color: var(--blue); margin-top: 32px; }
@media (max-width: 760px) {
  .phase3-scene { padding: 22px 18px; }
  .clip-columns { grid-template-columns: 1fr; gap: 24px; }
  .clip-columns h2 { font-size: 23px; }
  .clip-columns p:not(.section-label) { font-size: 19px; }
  .clip-badge { font-size: 14px; }
  .phase3-actions { flex-direction: column; align-items: stretch; }
  .phase3-scene .primary { font-size: 18px; width: 100%; }
  .measure-row { grid-template-columns: 34px 1fr; gap: 10px; }
  .measure-number { font-size: 25px; }
  .measure-row h2 { font-size: 18px; }
  .measure-content, .leader-choice { font-size: 20px; }
  .merging-sources { gap: 5px; font-size: 16px; }
  .merging-sources b { font-size: 13px; }
  .chant-crew { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px 6px; }
  .chant-crew strong { font-size: 14px; }
  .chant-person-label { font-size: 12px; }
  .human-scene { min-height: calc(100svh - 230px); gap: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .primary:active:not(:disabled) { transform: none; }
}