:root {
  --paper: #faf9f6;
  --ink: #102a3a;
  --muted: #687983;
  --gold: #b88a4a;
  --gold-soft: #f0e7d8;
  --line: #dfe4e5;
  --soft: #f1efe9;
  --white: #fffefb;
  --max: 1280px;
  --reading: 780px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  overflow-x: hidden;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
  letter-spacing: .02em;
  text-rendering: optimizeLegibility;
}

body.is-modal-open { overflow: hidden; }

a { color: inherit; }

.reading-progress {
  position: fixed;
  z-index: 70;
  inset: 0 0 auto;
  height: 2px;
  pointer-events: none;
}

.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--gold);
}

.site-header {
  position: sticky;
  z-index: 60;
  top: 0;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(28px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid rgba(16, 42, 58, .09);
  background: rgba(250, 249, 246, .94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  min-width: 0;
  gap: 15px;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: 180px;
  height: auto;
}

.brand small {
  color: #7c898f;
  font-size: 12px;
  letter-spacing: .04em;
}

.site-contact {
  display: inline-flex;
  flex: 0 0 auto;
  min-height: 38px;
  padding: 0 18px;
  border: 1px solid rgba(16, 42, 58, .34);
  align-items: center;
  justify-content: center;
  color: var(--ink);
  text-decoration: none;
  font-size: 12px;
  font-weight: 720;
  letter-spacing: .08em;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease, opacity .38s ease, transform .48s cubic-bezier(.22, 1, .36, 1), visibility 0s linear 0s;
}

.site-contact:hover {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--white);
}

.hp-return {
  position: fixed;
  z-index: 65;
  left: max(22px, env(safe-area-inset-left));
  bottom: max(22px, env(safe-area-inset-bottom));
  min-height: 42px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(16, 42, 58, .34);
  background: rgba(250, 249, 246, .94);
  color: var(--ink);
  box-shadow: 0 10px 30px rgba(16, 42, 58, .1);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  text-decoration: none;
  font-size: 13px;
  font-weight: 720;
  letter-spacing: .08em;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease, opacity .38s ease, transform .48s cubic-bezier(.22, 1, .36, 1), visibility 0s linear 0s;
}

.hp-return[hidden] { display: none; }

.hp-return:hover {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--white);
}

.hp-return:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

.reading-layout {
  width: min(var(--max), calc(100% - 56px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 226px minmax(0, 1fr);
  gap: 84px;
  transition: grid-template-columns .62s cubic-bezier(.22, 1, .36, 1), gap .62s cubic-bezier(.22, 1, .36, 1);
}

.chapter-rail {
  position: sticky;
  top: 106px;
  align-self: start;
  height: calc(100vh - 128px);
  padding: 26px 6px 42px 0;
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  transition: opacity .38s ease, transform .62s cubic-bezier(.22, 1, .36, 1), visibility 0s linear 0s;
}

.chapter-rail::-webkit-scrollbar { display: none; }

.rail-label {
  display: block;
  margin: 0 0 16px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--gold);
  font-family: inherit;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .2em;
  cursor: default;
  user-select: none;
  -webkit-user-select: none;
}

.chapter-rail ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.chapter-rail a {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 7px;
  padding: 6px 0;
  color: #7a878d;
  text-decoration: none;
  font-size: 11px;
  line-height: 1.5;
  transition: color .2s ease;
}

.chapter-rail a span {
  color: #a8b0b4;
  font-variant-numeric: tabular-nums;
}

.chapter-rail a:hover,
.chapter-rail a.is-active {
  color: var(--ink);
  font-weight: 720;
}

.chapter-rail a.is-active span { color: var(--gold); }

.story {
  width: 100%;
  min-width: 0;
  justify-self: center;
  outline: none;
}

body.is-presentation-mode .reading-layout {
  grid-template-columns: 0 minmax(0, 1fr);
  gap: 0;
}

body.is-presentation-mode .chapter-rail {
  transform: translateX(calc(-100% - 84px));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .3s ease, transform .62s cubic-bezier(.22, 1, .36, 1), visibility 0s linear .62s;
}

body.is-presentation-mode .story {
  max-width: 980px;
}

body.is-presentation-mode .site-contact {
  transform: translateX(22px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .3s ease, transform .48s cubic-bezier(.22, 1, .36, 1), visibility 0s linear .48s;
}

body.is-presentation-mode .hp-return {
  transform: translateY(18px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .3s ease, transform .48s cubic-bezier(.22, 1, .36, 1), visibility 0s linear .48s;
}

.hero {
  min-height: calc(100vh - 78px);
  padding: 10vh 0 9vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow,
.chapter-kicker {
  margin: 0 0 24px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .2em;
}

.hero h1 {
  margin: 0;
  max-width: 940px;
  font-size: clamp(50px, 5vw, 66px);
  line-height: 1.28;
  letter-spacing: -.045em;
  text-wrap: balance;
}

.hero-definition {
  margin: 34px 0 0;
  font-size: clamp(17px, 2vw, 22px);
  color: #5f7079;
}

.hero-definition strong { color: var(--ink); }

.hero-copy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  margin: 52px 0 0;
  padding-top: 30px;
  border-top: 1px solid var(--line);
  max-width: 980px;
}

.hero-copy p,
.prose p {
  margin: 0;
  color: #4f626c;
  font-size: 16px;
  line-height: 2;
}

.opening-principles {
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.opening-principles li {
  padding: 22px 18px 24px;
  border-right: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.8;
}

.opening-principles li:last-child { border-right: 0; }

.opening-principles strong {
  display: block;
  font-size: 16px;
}

.hero-conclusion {
  margin: 42px 0 0;
  font-size: 17px;
  line-height: 1.8;
}

.hero-conclusion strong { font-size: 29px; }

.part-divider {
  min-height: 168px;
  padding: 48px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.part-divider span {
  color: var(--gold);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .2em;
}

.part-divider strong {
  text-align: right;
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: -.025em;
}

.part-divider-with-logo {
  --s-offset: 1;
}

.part-divider-logo-wrap {
  position: relative;
  display: block;
  width: clamp(220px, 25vw, 300px);
  flex: 0 0 auto;
}

.part-divider-logo {
  display: block;
  width: 100%;
  height: auto;
}

.part-divider-logo-gold {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  color: var(--gold);
  pointer-events: none;
}

.part-divider-s-trace {
  fill: none;
  stroke: #fff;
  stroke-width: 76;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: var(--s-offset);
}

.chapter {
  padding: 128px 0 144px;
  border-bottom: 1px solid var(--line);
}

.chapter-heading {
  display: grid;
  grid-template-columns: 104px 1fr;
  align-items: start;
}

.chapter-heading-with-app {
  grid-template-columns: 104px minmax(0, 540px) 136px;
  gap: 0 20px;
  align-items: start;
}

.blasco-app-preview {
  width: 136px;
  min-height: 136px;
  margin-top: 42px;
  padding: 16px 14px 12px;
  justify-self: start;
  border: 1px solid rgba(255, 255, 255, .34);
  border-radius: 23px;
  background:
    radial-gradient(circle at 78% 15%, rgba(255,255,255,.28), transparent 34%),
    linear-gradient(145deg, #4b91d4 0%, #34a6cf 52%, #2665aa 100%);
  box-shadow: 0 18px 38px rgba(16, 42, 58, .16);
  text-align: center;
}

.blasco-app-icon-wrap {
  position: relative;
  width: 82px;
  height: 82px;
  margin: 0 auto;
}

.blasco-app-icon-wrap img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 25%;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, .32),
    0 8px 18px rgba(7, 38, 74, .22);
}

.blasco-app-badge {
  position: absolute;
  z-index: 1;
  top: -8px;
  right: -8px;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: #ff3b30;
  color: #fff;
  box-shadow: 0 3px 8px rgba(116, 12, 7, .2);
  font-size: 18px;
  font-weight: 500;
  line-height: 1;
}

.blasco-app-preview > strong {
  display: block;
  margin-top: 9px;
  color: #fff;
  font-size: 13px;
  font-weight: 520;
  letter-spacing: .04em;
  line-height: 1;
  text-shadow: 0 1px 3px rgba(15, 52, 91, .36);
}

.chapter-heading-plain {
  display: block;
}

.chapter-number {
  margin: 4px 0 0;
  color: var(--gold);
  font-size: 44px;
  font-weight: 320;
  line-height: 1;
}

.chapter-kicker { margin: 0 0 20px; }

.chapter h2 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(40px, 4.7vw, 64px);
  line-height: 1.25;
  letter-spacing: -.04em;
  text-wrap: balance;
}

.commitment-finale-heading h2,
.final-statement strong,
.subheading {
  text-wrap: balance;
}

.chapter-lead {
  margin: 54px 0 0 104px;
  max-width: 780px;
  font-size: 22px;
  font-weight: 680;
  line-height: 1.75;
  letter-spacing: -.01em;
}

.ai-conclusion {
  max-width: 880px;
  margin: 78px 0 0 104px;
  padding-top: 32px;
  border-top: 1px solid var(--ink);
}

.ai-conclusion-context {
  margin: 0;
  color: #536670;
  font-size: 16px;
  line-height: 1.9;
}

.ai-conclusion-context strong {
  color: var(--gold);
  font-weight: 760;
}

.ai-conclusion h3 {
  margin: 24px 0 0;
  padding-left: 28px;
  border-left: 3px solid var(--gold);
  letter-spacing: -.025em;
}

.ai-conclusion h3 span,
.ai-conclusion h3 strong {
  display: block;
}

.ai-conclusion h3 span {
  color: #63747d;
  font-size: 18px;
  font-weight: 560;
  line-height: 1.75;
}

.ai-conclusion h3 strong {
  margin-top: 8px;
  max-width: 800px;
  font-size: clamp(25px, 2.8vw, 34px);
  font-weight: 760;
  line-height: 1.55;
}

.prose {
  max-width: var(--reading);
  margin: 50px 0 0 104px;
  display: grid;
  gap: 22px;
}

.prose.no-indent { margin: 0; }

.chapter-introduction p:last-child {
  color: var(--ink);
  font-weight: 700;
}

.chapter-introduction + .principle-stack {
  margin-top: 58px;
}

.prose a {
  color: var(--ink);
  text-decoration-color: var(--gold);
  text-underline-offset: 4px;
}

.statement-list,
.question-list,
.decision-list,
.criteria-list,
.feature-list,
.conditions-list {
  list-style: none;
  max-width: 880px;
  margin: 48px 0 0 104px;
  padding: 0;
  border-top: 1px solid var(--ink);
}

.statement-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  padding: 21px 6px;
  border-bottom: 1px solid var(--line);
  font-size: 17px;
  line-height: 1.7;
}

.statement-list span,
.criteria-list span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .12em;
}

.chapter blockquote,
.commitment-finale blockquote {
  max-width: 880px;
  margin: 68px 0 0 104px;
  padding: 0 0 0 28px;
  border-left: 3px solid var(--gold);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 760;
  line-height: 1.6;
  letter-spacing: -.025em;
}

.human-gap-diagram {
  max-width: 880px;
  margin: 34px 0 0 104px;
  padding: 30px 34px;
  border: 1px solid var(--line);
  background: rgba(255, 254, 251, .58);
}

.human-gap-flow {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) 38px minmax(190px, 1.15fr) 38px minmax(150px, 1fr);
  gap: 10px;
  align-items: center;
}

.gap-endpoint {
  min-height: 88px;
  padding: 18px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #d6dcdd;
  background: var(--white);
  text-align: center;
}

.gap-endpoint strong {
  font-size: 16px;
  line-height: 1.55;
}

.gap-arrow {
  color: var(--gold);
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
  text-align: center;
}

.gap-work {
  min-height: 88px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(184, 138, 74, .7);
  background: var(--paper);
  text-align: center;
}

.gap-work small {
  color: var(--gold);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .12em;
}

.gap-work strong {
  margin-top: 7px;
  font-size: 16px;
  line-height: 1.45;
}

.human-gap-diagram figcaption {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.closing-line {
  max-width: 780px;
  margin: 50px 0 0 104px;
  color: #4f626c;
  font-size: 16px;
  line-height: 2;
}

.closing-line::before {
  content: "";
  display: block;
  width: 44px;
  height: 1px;
  margin: 0 0 22px;
  background: var(--gold);
}

.source-note {
  max-width: 780px;
  margin: 42px 0 0 104px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #829097;
  font-size: 12px;
  line-height: 1.8;
}

.shift-panel,
.number-panel {
  max-width: 880px;
  margin: 54px 0 0 104px;
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  align-items: stretch;
}

.shift-panel > div,
.number-panel > div {
  min-height: 174px;
  padding: 30px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .42);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.shift-panel > span {
  display: grid;
  place-items: center;
  color: var(--gold);
  font-size: 24px;
}

.shift-panel small,
.number-panel small,
.blasco-intro small,
.compare-lines small {
  color: var(--gold);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .16em;
}

.shift-panel strong,
.number-panel strong,
.blasco-intro strong {
  font-size: 20px;
  line-height: 1.65;
}

.compare-lines {
  max-width: 880px;
  margin: 54px 0 0 104px;
  display: grid;
  grid-template-columns: 1fr 110px 1fr;
  align-items: stretch;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.compare-lines > div:not(.compare-gap) {
  padding: 27px;
  display: grid;
  gap: 13px;
}

.compare-lines strong { font-size: 16px; }

.compare-gap {
  display: grid;
  place-items: center;
  border-inline: 1px solid var(--line);
}

.compare-gap span {
  writing-mode: vertical-rl;
  color: var(--gold);
  font-size: 11px;
  letter-spacing: .12em;
}

.system-chain {
  margin: 54px 0 0 104px;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 880px;
  overflow: auto;
  padding-bottom: 8px;
}

.system-chain span {
  flex: 0 0 auto;
  min-width: 98px;
  padding: 20px 14px;
  border: 1px solid var(--ink);
  text-align: center;
  font-weight: 760;
}

.system-chain i {
  flex: 0 0 auto;
  color: var(--gold);
  font-size: 10px;
  font-style: normal;
}

.question-list,
.decision-list { border-top-color: var(--line); }

.question-list li,
.decision-list li {
  padding: 18px 5px;
  border-bottom: 1px solid var(--line);
  font-size: 18px;
  font-weight: 700;
}

.outcome-grid {
  list-style: none;
  margin: 54px 0 0 104px;
  padding: 0;
  max-width: 880px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.outcome-grid li {
  min-height: 176px;
  padding: 22px;
  border-right: 1px solid var(--line);
}

.outcome-grid li:last-child { border-right: 0; }

.outcome-grid span {
  display: block;
  margin-bottom: 28px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 750;
}

.outcome-grid strong { font-size: 16px; line-height: 1.75; }

.principle-stack {
  margin: 70px 0 0 104px;
  max-width: 880px;
  display: grid;
  gap: 76px;
}

.principle {
  padding-top: 32px;
  border-top: 1px solid var(--ink);
}

.principle-title {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  align-items: start;
  margin-bottom: 34px;
}

.principle-title span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .12em;
}

.principle-kind {
  margin: -3px 0 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 720;
  letter-spacing: .1em;
}

.principle h3 {
  margin: 0;
  font-size: clamp(25px, 3vw, 34px);
  letter-spacing: -.025em;
}

.principle-line {
  margin: 32px 0 0;
  padding: 22px 24px;
  background: var(--soft);
  font-size: 16px;
  font-weight: 720;
  line-height: 1.8;
}

.principle-emphasis { border-top-color: var(--gold); }

.uiux-pair {
  margin: 34px 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.45);
}

.uiux-pair > div { padding: 26px; }
.uiux-pair > div + div { border-left: 1px solid var(--line); }
.uiux-pair span { color: var(--gold); font-size: 13px; font-weight: 760; letter-spacing: .16em; }
.uiux-pair h4 { margin: 9px 0 12px; color: var(--ink); font-size: 18px; }
.uiux-pair p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.85; }

.completion-rule {
  margin: 38px 0;
  display: flex;
  align-items: stretch;
}

.completion-rule div {
  flex: 1;
  min-height: 110px;
  padding: 20px;
  border: 1px solid var(--line);
  display: grid;
  align-content: center;
  gap: 8px;
}

.completion-rule i {
  flex: 0 0 30px;
  position: relative;
}

.completion-rule i::after {
  content: "→";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--gold);
  font-style: normal;
}

.completion-rule span { font-size: 17px; font-weight: 760; }
.completion-rule small { color: var(--muted); line-height: 1.5; }
.completion-rule .is-complete { border-color: var(--gold); background: var(--gold-soft); }

.blasco-intro {
  margin: 58px 0 0 104px;
  max-width: 880px;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.blasco-intro > div {
  min-height: 180px;
  padding: 30px;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.blasco-intro > div + div { border-left: 0; }

.subheading {
  max-width: 880px;
  margin: 76px 0 0 104px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--ink);
  font-size: 20px;
}

.feature-list { border-top: 0; margin-top: 0; }

.feature-list li {
  display: grid;
  grid-template-columns: 94px 1fr;
  gap: 18px;
  padding: 17px 4px;
  border-bottom: 1px solid var(--line);
  color: #435964;
  font-size: 15px;
  line-height: 1.75;
}

.feature-list span {
  color: var(--gold);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .08em;
}

.workflow-intro {
  max-width: 880px;
  margin: 22px 0 28px 104px;
  color: #52656e;
  font-size: 15px;
  line-height: 1.85;
}

.blasco-workflow {
  max-width: 1040px;
  margin: 0 0 0 104px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr) 28px) minmax(0, 1fr);
  align-items: stretch;
}

.workflow-step {
  min-width: 0;
  min-height: 205px;
  padding: 22px 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .42);
  display: flex;
  flex-direction: column;
}

.workflow-step.is-final {
  border-color: var(--gold);
  background: var(--gold-soft);
}

.workflow-step > span {
  color: #ddd8cf;
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
}

.workflow-step.is-final > span { color: var(--gold); }

.workflow-step small {
  margin-top: 22px;
  color: var(--gold);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .1em;
}

.workflow-step strong {
  margin-top: 7px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.45;
  white-space: nowrap;
}

.workflow-step p {
  margin: auto 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.blasco-workflow > i {
  position: relative;
}

.blasco-workflow > i::after {
  content: "→";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--gold);
  font-style: normal;
}

.workflow-feature-grid,
.workflow-layer-label,
.workflow-core-intro,
.monitoring-flow,
.safety-explanation {
  max-width: 1040px;
  margin: 0 0 0 104px;
}

.workflow-layer-label {
  margin-top: 38px;
  margin-bottom: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.workflow-layer-label span {
  color: var(--gold);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .12em;
}

.workflow-layer-label strong {
  color: var(--ink);
  font-size: 17px;
}

.workflow-core-intro {
  max-width: 880px;
  margin-bottom: 24px;
  color: #52656e;
  font-size: 14px;
  line-height: 1.8;
}

.workflow-feature-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.workflow-feature {
  min-width: 0;
  min-height: 168px;
  padding: 20px 14px;
  border: 1px solid var(--line);
  border-right: 0;
  background: rgba(255, 255, 255, .42);
  display: flex;
  flex-direction: column;
}

.workflow-feature:last-child { border-right: 1px solid var(--line); }

.workflow-feature > span {
  color: #ddd8cf;
  font-size: 27px;
  font-weight: 800;
  line-height: 1;
}

.workflow-feature strong {
  margin-top: 24px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}

.workflow-feature p {
  margin: auto 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.workflow-layer-connector {
  max-width: 1040px;
  margin: 24px 0 -18px 104px;
  color: var(--gold);
  font-size: 16px;
  text-align: center;
}

.monitoring-subheading,
.foundation-subheading { margin-top: 64px; }

.monitoring-flow {
  padding: 14px 0;
  display: grid;
  grid-template-columns: 1.2fr 54px .72fr 54px 1fr;
  align-items: center;
}

.monitoring-sources {
  display: grid;
  gap: 22px;
}

.monitoring-sources > div {
  position: relative;
  padding: 0 0 12px 20px;
  border-bottom: 1px solid var(--line);
}

.monitoring-sources > div::before {
  content: "";
  position: absolute;
  top: .55em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

.monitoring-sources strong,
.monitoring-sources span { display: block; }

.monitoring-sources strong {
  color: var(--ink);
  font-size: 15px;
}

.monitoring-sources span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
}

.monitoring-flow > i {
  color: var(--gold);
  font-size: 20px;
  font-style: normal;
  text-align: center;
}

.monitoring-detect {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: var(--paper);
  text-align: center;
}

.monitoring-detect span {
  color: var(--ink);
  font-size: 14px;
  font-weight: 760;
}

.monitoring-response {
  padding-left: 24px;
  border-left: 2px solid var(--ink);
}

.monitoring-response small,
.monitoring-response strong { display: block; }

.monitoring-response small {
  color: var(--muted);
  font-size: 12px;
}

.monitoring-response strong {
  margin-top: 7px;
  color: var(--ink);
  font-size: 21px;
}

.monitoring-flow figcaption {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.safety-explanation {
  max-width: 880px;
}

.safety-lead {
  margin: 0 0 28px;
  color: #435964;
  font-size: 15px;
  line-height: 2;
}

.safety-explanation article {
  padding: 26px 0;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 0 18px;
  border-top: 1px solid var(--line);
}

.safety-explanation article > span {
  color: var(--gold);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .08em;
}

.safety-explanation h4 {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.55;
}

.safety-explanation article p {
  margin: 10px 0 0;
  color: #52656e;
  font-size: 14px;
  line-height: 1.95;
}

.case-growth-subheading { margin-top: 64px; }

.case-growth-copy {
  max-width: 880px;
  margin: 0;
  color: #435964;
  font-size: 15px;
  line-height: 2;
}

.case-growth-routine {
  max-width: 880px;
  margin-top: 28px;
}

.release-status {
  max-width: 880px;
  margin: 30px 0 0 104px;
  padding: 18px 22px;
  border-left: 3px solid var(--gold);
  background: rgba(255,255,255,.44);
  display: flex;
  align-items: center;
  gap: 24px;
}

.release-status span {
  color: var(--gold);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .1em;
}

.release-status strong {
  color: var(--ink);
  font-size: 16px;
}

.scope-note,
.caution-box,
.reference-status {
  max-width: 880px;
  margin: 52px 0 0 104px;
  padding: 28px 30px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .48);
}

.scope-note p,
.caution-box p,
.reference-status p {
  margin: 10px 0 0;
  color: #52656e;
  font-size: 14px;
  line-height: 1.9;
}

.scope-label {
  margin: 0 !important;
  color: var(--gold) !important;
  font-size: 10px !important;
  font-weight: 760;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.compact-grid {
  list-style: none;
  max-width: 880px;
  margin: 0 0 0 104px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
}

.compact-grid li {
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  font-weight: 700;
}

.timeline {
  max-width: 880px;
  margin: 60px 0 0 104px;
  display: grid;
  grid-template-columns: 1fr 170px 1fr;
  align-items: center;
}

.timeline > div {
  min-height: 144px;
  padding: 26px;
  border-block: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.timeline > div:first-child { border-left: 1px solid var(--ink); }
.timeline > div:last-child { border-right: 1px solid var(--ink); }

.timeline small { color: var(--muted); font-size: 11px; }
.timeline strong { font-size: 28px; font-variant-numeric: tabular-nums; }

.timeline > span {
  min-height: 184px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  background: var(--ink);
  color: var(--paper);
}

.timeline b { font-size: 32px; }
.timeline > span small { color: #c7d0d4; }

.caution-box ul {
  margin: 18px 0 0;
  padding-left: 1.2em;
  color: #4c606a;
  font-size: 14px;
  line-height: 1.9;
}

.number-panel { grid-template-columns: 1.25fr 1fr; }
.number-panel > div:first-child { border-right: 0; }
.number-panel strong { font-size: clamp(26px, 3.5vw, 44px); letter-spacing: -.03em; }

.inline-link {
  display: inline-flex;
  gap: 18px;
  align-items: center;
  margin: 36px 0 0 104px;
  padding: 13px 0;
  border-bottom: 1px solid var(--gold);
  color: var(--ink);
  background: transparent;
  border-top: 0;
  border-right: 0;
  border-left: 0;
  text-decoration: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 720;
  cursor: pointer;
}

.inline-link:hover { color: var(--gold); }

.cost-detail-dialog {
  position: fixed;
  z-index: 100;
  inset: 0;
  background: rgba(7, 24, 33, .62);
  color: var(--ink);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
}

.cost-detail-dialog[hidden] { display: none; }

.cost-detail-frame {
  position: absolute;
  top: 50%;
  left: 50%;
  width: calc(100vw - 64px);
  max-width: 1120px;
  height: calc(100vh - 64px);
  height: calc(100dvh - 64px);
  max-height: 860px;
  background: var(--paper);
  box-shadow: 0 32px 100px rgba(7, 24, 33, .3);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  transform: translate(-50%, -50%);
}

.cost-detail-header {
  min-height: 104px;
  padding: 24px 30px 22px 38px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.cost-detail-header p {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .2em;
}

.cost-detail-header h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.25;
  letter-spacing: -.025em;
}

.cost-detail-close {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  padding: 0 0 3px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.cost-detail-close:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.responsibility-stack { gap: 86px; }

.responsibility-list {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.responsibility-list li {
  padding: 17px 5px;
  border-bottom: 1px solid var(--line);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.65;
}

.responsibility-criteria li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: center;
}

.responsibility-criteria span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .12em;
}

.criteria-note {
  margin: 20px 4px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.9;
}

.responsibility-basics strong {
  font-size: 18px;
}

.responsibility-copy { margin-top: 30px; }

.aftercare-section {
  padding: 34px 36px 38px;
  border: 1px solid var(--line);
}

.aftercare-section + .aftercare-section { margin-top: 30px; }

.aftercare-section h4 {
  margin: 0 0 22px;
  color: var(--ink);
  font-size: clamp(20px, 2.5vw, 27px);
  line-height: 1.5;
  letter-spacing: -.02em;
}

.aftercare-expansion {
  border-top-color: var(--gold);
  background: linear-gradient(145deg, rgba(240, 231, 216, .5), rgba(250, 249, 246, 0) 68%);
}

.aftercare-copy {
  margin: 0;
  color: #4f626c;
  font-size: 16px;
  line-height: 2.05;
}

.expansion-routine {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 18px 1fr 18px 1fr;
  gap: 10px;
  align-items: stretch;
}

.expansion-routine > div {
  min-height: 124px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: rgba(250, 249, 246, .72);
  display: grid;
  align-content: center;
  gap: 11px;
}

.expansion-routine span {
  color: var(--gold);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .12em;
}

.expansion-routine strong {
  color: var(--ink);
  font-size: 14px;
  line-height: 1.65;
}

.expansion-routine i {
  display: grid;
  place-items: center;
  color: var(--gold);
  font-style: normal;
}

.expansion-routine i::before { content: "→"; }

.growth-line.responsibility-growth {
  margin: 38px 0 0;
  max-width: none;
}

.growth-line.responsibility-growth span { min-height: 96px; }

.impact-grid {
  max-width: 880px;
  margin: 64px 0 0 104px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.impact-card {
  min-width: 0;
  padding: 30px 26px 34px;
  border: 1px solid var(--line);
  border-right: 0;
  background: rgba(255, 255, 255, .35);
}

.impact-card:last-child { border-right: 1px solid var(--line); }

.impact-card > span {
  color: var(--gold);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .12em;
}

.impact-card h3 {
  margin: 24px 0 0;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.55;
  letter-spacing: -.02em;
}

.impact-card p {
  margin: 22px 0 0;
  color: #52656e;
  font-size: 14px;
  line-height: 1.95;
}

.impact-calculator {
  max-width: 880px;
  margin: 72px 0 0 104px;
  border: 1px solid var(--ink);
  background: rgba(255, 255, 255, .46);
}

.impact-calculator-intro {
  display: grid;
  grid-template-columns: minmax(240px, .9fr) minmax(320px, 1.1fr);
  gap: 12px 52px;
  padding: 38px 42px 34px;
  border-bottom: 1px solid var(--line);
}

.impact-calculator-intro > p:first-child {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--gold);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .18em;
}

.impact-calculator-intro h3 {
  margin: 8px 0 0;
  color: var(--ink);
  font-size: clamp(25px, 2.45vw, 34px);
  line-height: 1.48;
  letter-spacing: -.035em;
}

.impact-calculator-intro > p:last-child {
  align-self: end;
  margin: 8px 0 2px;
  color: #52656e;
  font-size: 14px;
  line-height: 1.9;
}

.impact-calculator-body {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
}

.impact-calculator-fields {
  border-right: 1px solid var(--line);
}

.impact-person-group,
.impact-shared-fields { padding: 27px 34px 28px 42px; }

.impact-person-group { border-bottom: 1px solid var(--line); }

.impact-person-group > header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.impact-person-group > header > span {
  flex: 0 0 26px;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold);
  font-size: 10px;
  font-weight: 760;
}

.impact-person-group h4,
.impact-shared-fields h4 {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
}

.impact-person-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 24px;
  margin-top: 14px;
}

.impact-rate-guide {
  margin: 0;
  padding: 18px 42px;
  border-bottom: 1px solid var(--line);
  background: rgba(240, 231, 216, .28);
  color: #697980;
  font-size: 11px;
  line-height: 1.75;
}

.impact-rate-guide strong {
  display: block;
  margin-top: 3px;
  color: var(--ink);
  font-weight: 650;
}

.impact-shared-fields > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 24px;
  margin-top: 8px;
}

.impact-calculator-fields label {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 8px;
  padding: 17px 0 12px;
  border-bottom: 1px solid var(--line);
  color: #61717a;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .02em;
}

.impact-calculator-fields label > input {
  grid-column: 1;
  width: 100%;
  margin-top: 9px;
  padding: 0;
  border: 0;
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 22px;
  font-weight: 680;
  line-height: 1.25;
  appearance: textfield;
}

.impact-calculator-fields label > input:focus {
  box-shadow: 0 2px 0 var(--gold);
}

.impact-calculator-fields label > input::-webkit-inner-spin-button,
.impact-calculator-fields label > input::-webkit-outer-spin-button { appearance: none; margin: 0; }

.impact-calculator-fields label > span {
  grid-column: 2;
  grid-row: 2;
  padding-bottom: 2px;
  color: #73828a;
  font-size: 12px;
  font-weight: 600;
}

.impact-calculator-result {
  padding: 37px 34px 32px;
  background: linear-gradient(145deg, rgba(240, 231, 216, .58), rgba(250, 249, 246, .12) 72%);
}

.impact-calculator-result > p {
  margin: 0;
  color: #65757d;
  font-size: 12px;
  font-weight: 660;
  letter-spacing: .04em;
}

.impact-calculator-result > strong {
  display: block;
  margin-top: 14px;
  color: var(--ink);
  font-size: clamp(32px, 3.5vw, 46px);
  line-height: 1.2;
  letter-spacing: -.045em;
}

.impact-calculator-result > strong span {
  margin-left: 5px;
  font-size: 15px;
  letter-spacing: 0;
}

.impact-calculator-result dl { margin: 29px 0 0; }

.impact-calculator-result dl > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-top: 1px solid rgba(17, 45, 58, .14);
}

.impact-calculator-result dt {
  color: #6b7980;
  font-size: 11px;
  line-height: 1.5;
}

.impact-calculator-result dd {
  margin: 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 680;
  text-align: right;
  white-space: nowrap;
}

.impact-calculator-note {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  padding: 24px 42px 27px;
  border-top: 1px solid var(--line);
}

.impact-calculator-note p {
  margin: 0;
  color: #697880;
  font-size: 11px;
  line-height: 1.85;
}

.impact-calculator-note strong { color: var(--ink); }

.impact-summary {
  max-width: 880px;
  margin: 70px 0 0 104px;
  padding: 40px 44px 44px;
  border-top: 1px solid var(--gold);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(240, 231, 216, .46), rgba(250, 249, 246, 0) 72%);
}

.impact-summary p {
  margin: 0;
  color: #4f626c;
  font-size: 16px;
  line-height: 2.05;
}

.impact-summary strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: clamp(21px, 2.4vw, 28px);
  line-height: 1.65;
  letter-spacing: -.02em;
}

.impact-summary p.impact-preface {
  margin-top: 32px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 580;
  line-height: 1.8;
}

.cost-detail-scroll {
  min-height: 0;
  padding: 40px 46px 64px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.cost-detail-scroll > * {
  max-width: 920px;
  margin-right: auto;
  margin-left: auto;
}

.cost-detail-scroll .chapter-lead { margin-top: 0; }
.cost-detail-scroll .subheading { margin-top: 48px; }
.cost-detail-scroll .table-wrap,
.cost-detail-scroll .prose,
.cost-detail-scroll .caution-box,
.cost-detail-scroll .source-note,
.cost-detail-scroll .table-explain { margin-left: auto; }

.decision-list li { font-size: 20px; }

.criteria-list { counter-reset: criteria; }

.criteria-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: center;
  gap: 12px;
  padding: 21px 6px;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}

.criteria-list strong { font-size: 17px; }

.growth-line {
  max-width: 880px;
  margin: 56px 0 0 104px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.growth-line span {
  flex: 1;
  min-height: 106px;
  padding: 18px;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 14px;
  font-weight: 720;
  line-height: 1.6;
}

.growth-line i {
  flex: 0 0 16px;
  color: var(--gold);
  font-style: normal;
}

.growth-line i::before { content: "→"; }

.finale {
  padding: 128px 0 168px;
  border-bottom: 1px solid var(--line);
}

.final-statement {
  max-width: 880px;
  margin: 0 0 0 104px;
  padding: 64px;
  background: var(--ink);
  color: var(--paper);
}

.final-statement-copy {
  display: grid;
  gap: 8px;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(255,255,255,.2);
}

.final-statement-copy p {
  margin: 0;
  color: #eef2f3;
  font-size: 17px;
  line-height: 1.9;
}

.final-statement p.final-statement-bridge {
  margin: 42px 0 24px;
  color: #c8d2d6;
  font-size: 15px;
}

.final-statement strong {
  display: block;
  font-size: clamp(31px, 4vw, 52px);
  line-height: 1.45;
  letter-spacing: -.035em;
}

.final-statement span {
  display: block;
  margin-top: 32px;
  color: #d9c6a8;
  font-size: 13px;
}

.reference { background: linear-gradient(90deg, rgba(241, 239, 233, .55), transparent 72%); }

.table-wrap {
  max-width: 880px;
  margin: 0 0 0 104px;
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .45);
}

.cost-detail-scroll > .table-wrap {
  margin-right: auto;
  margin-left: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  line-height: 1.65;
}

th,
td {
  padding: 15px 17px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--soft);
  color: #65767e;
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .08em;
  white-space: nowrap;
}

td:last-child,
th:last-child { white-space: nowrap; }

.table-total td {
  background: var(--ink);
  color: var(--paper);
  font-weight: 760;
}

.table-explain {
  max-width: 880px;
  margin: 16px 0 0 104px;
  color: var(--muted);
  font-size: 13px;
}

.reference-status strong { font-size: 15px; }

.conditions-list { border-top-color: var(--line); }

.conditions-list li {
  position: relative;
  padding: 14px 6px 14px 28px;
  border-bottom: 1px solid var(--line);
  color: #53666f;
  font-size: 13px;
  line-height: 1.8;
}

.conditions-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 25px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--gold);
  border-radius: 50%;
}

.product-tables {
  max-width: 880px;
  width: calc(100% - 104px);
  min-width: 0;
  margin: 70px 0 0 104px;
  display: grid;
  gap: 16px;
}

.product-group {
  min-width: 0;
  max-width: 100%;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.product-group summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 22px 4px;
}

.product-group summary::-webkit-details-marker { display: none; }

.product-group summary::after {
  content: "+";
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold);
  font-size: 20px;
  font-weight: 320;
  line-height: 1;
}

.product-group[open] summary::after { content: "−"; }

.product-group summary strong { font-size: 18px; }
.product-group summary span { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; }

.product-group .table-wrap { width: 100%; min-width: 0; max-width: 100%; margin: 0 0 22px; }
.product-group table { min-width: 920px; }
.product-group td:nth-child(1) { width: 48px; color: var(--gold); font-weight: 760; }
.product-group td:nth-child(2) { min-width: 210px; font-weight: 720; color: var(--ink); }
.product-group td:nth-child(3) { min-width: 180px; }
.product-group td:nth-child(4) { min-width: 300px; }
.product-group td:nth-child(5) { min-width: 230px; }

.product-footnote {
  margin: -4px 0 24px;
  padding: 0 4px;
  color: #6c7d85;
  font-size: 12px;
  line-height: 1.8;
}

.product-note { margin-top: 58px; }

.commitment { background: linear-gradient(160deg, rgba(240, 231, 216, .46), transparent 54%); }

.commitment-finale {
  padding: 132px 0 156px;
  border-top: 1px solid var(--ink);
  background: linear-gradient(160deg, rgba(240, 231, 216, .58), transparent 58%);
}

.commitment-finale-heading {
  max-width: 920px;
}

.commitment-finale-heading h2 {
  margin: 0;
  font-size: clamp(40px, 4.7vw, 64px);
  line-height: 1.25;
  letter-spacing: -.04em;
}

.subsidy-scope-note {
  max-width: 780px;
  margin: 34px 0 0 104px;
  padding: 3px 0 3px 18px;
  border-left: 2px solid var(--gold);
  color: #6a7a82;
  font-size: 13px;
  line-height: 1.9;
}

.product-pricing-trigger { margin-top: 22px; }

.commitment-continuation { margin-top: 58px; }

.product-pricing-frame { max-width: 1240px; }

.product-pricing-dialog .product-tables {
  width: 100%;
  max-width: 920px;
  margin: 70px auto 0;
}

.pricing-research-date {
  margin-top: 18px;
  color: #829097;
  font-size: 11px;
  letter-spacing: .06em;
}

.product-pricing-dialog .reference-status,
.product-pricing-dialog .conditions-list,
.product-pricing-dialog .product-tables,
.product-pricing-dialog .scope-note {
  margin-left: auto;
}

.verification {
  padding: 108px 0;
}

.verification h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: -.035em;
}

.verification > p:not(.chapter-kicker) {
  max-width: 780px;
  margin: 34px 0 0;
  color: #566871;
  font-size: 14px;
  line-height: 2;
}

.verification-grid {
  margin-top: 46px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
}

.verification-grid div {
  min-height: 124px;
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.verification-grid span {
  display: block;
  margin-bottom: 17px;
  color: var(--gold);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .1em;
}

.verification-grid strong { font-size: 14px; line-height: 1.7; }

.verification-frame {
  max-width: 900px;
  height: min(680px, calc(100dvh - 64px));
}

.verification-view > p {
  margin: 0;
  color: #566871;
  font-size: 15px;
  line-height: 2;
}

.verification-view .verification-grid {
  margin-top: 42px;
}

.site-footer {
  min-height: 150px;
  padding: 40px 0;
  border-top: 1px solid var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-footer div { display: grid; gap: 7px; }
.site-footer strong { font-size: 18px; }
.site-footer span { color: var(--muted); font-size: 11px; }
.site-footer a { color: var(--ink); text-decoration-color: var(--gold); text-underline-offset: 5px; font-size: 12px; }

.footer-actions {
  display: flex;
  align-items: center;
  gap: 26px;
}

.footer-note-trigger {
  padding: 6px 0;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: #7f8c92;
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
}

.footer-note-trigger:hover {
  border-bottom-color: var(--gold);
  color: var(--ink);
}

@media (max-width: 1040px) {
  html { scroll-padding-top: 142px; }
  .reading-layout { width: min(100% - 40px, 920px); display: block; }
  .chapter-rail {
    z-index: 50;
    top: 78px;
    height: 56px;
    margin: 0 -20px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    overflow-x: auto;
    overflow-y: hidden;
    border-bottom: 1px solid var(--line);
    background: rgba(250, 249, 246, .96);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }
  .rail-label { flex: 0 0 auto; margin: 0 20px 0 0; }
  .chapter-rail ol { display: flex; gap: 24px; }
  .chapter-rail a { min-width: max-content; padding: 10px 0; font-size: 11px; }
  .hero { min-height: auto; padding: 98px 0 112px; }
  body.is-presentation-mode .chapter-rail { transform: translateX(calc(-100% - 20px)); }
  body.is-presentation-mode .story { max-width: 920px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 126px; }
  .site-header {
    height: 68px;
    padding-right: max(16px, env(safe-area-inset-right));
    padding-left: max(16px, env(safe-area-inset-left));
  }
  .brand-logo { width: 146px; }
  .site-contact { min-height: 36px; padding: 0 13px; font-size: 11px; }
  .hp-return {
    left: max(15px, env(safe-area-inset-left));
    bottom: max(15px, env(safe-area-inset-bottom));
    min-height: 40px;
    padding: 0 15px;
    font-size: 12px;
  }
  .reading-layout { width: calc(100% - 30px); }
  .chapter-rail { top: 68px; height: 50px; margin: 0 -15px; padding: 0 15px; }
  .chapter-rail ol { gap: 20px; }
  .chapter-rail a { font-size: 11px; }
  .hero { padding: 72px 0 88px; }
  .hero h1 { font-size: 38px; line-height: 1.3; }
  .hero-copy { grid-template-columns: 1fr; gap: 20px; margin-top: 42px; }
  .opening-principles { grid-template-columns: 1fr; }
  .opening-principles li { border-right: 0; border-bottom: 1px solid var(--line); }
  .opening-principles li:last-child { border-bottom: 0; }
  .part-divider { min-height: 132px; align-items: flex-start; flex-direction: column; }
  .part-divider strong { text-align: left; }
  .chapter { padding: 80px 0 96px; }
  .chapter-heading { display: block; }
  .chapter-heading-with-app {
    position: relative;
    min-height: 174px;
    padding-right: 142px;
  }
  .chapter-heading-with-app .blasco-app-preview {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 126px;
    min-height: 0;
    margin-top: 0;
    padding: 17px 15px 13px;
    border-radius: 22px;
  }
  .chapter-heading-with-app .blasco-app-icon-wrap { width: 82px; height: 82px; }
  .chapter-heading-with-app .blasco-app-badge {
    top: -8px;
    right: -8px;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    font-size: 18px;
  }
  .chapter-heading-with-app .blasco-app-preview > strong { margin-top: 9px; font-size: 13px; }
  .chapter-number { margin: 0 0 20px; font-size: 30px; }
  .chapter h2 { font-size: 39px; }
  .chapter-lead,
  .ai-conclusion,
  .prose,
  .statement-list,
  .question-list,
  .decision-list,
  .criteria-list,
  .feature-list,
  .conditions-list,
  .chapter blockquote,
  .commitment-finale blockquote,
  .human-gap-diagram,
  .closing-line,
  .source-note,
  .shift-panel,
  .number-panel,
  .compare-lines,
  .system-chain,
  .outcome-grid,
  .principle-stack,
  .blasco-intro,
  .subheading,
  .workflow-intro,
  .workflow-layer-label,
  .workflow-core-intro,
  .workflow-feature-grid,
  .workflow-layer-connector,
  .blasco-workflow,
  .monitoring-flow,
  .safety-explanation,
  .release-status,
  .scope-note,
  .caution-box,
  .reference-status,
  .compact-grid,
  .timeline,
  .inline-link,
  .growth-line,
  .final-statement,
  .table-wrap,
  .table-explain,
  .product-tables { margin-left: 0; }
  .subsidy-scope-note { margin-left: 0; }
  .commitment-finale { padding: 92px 0 106px; }
  .commitment-finale-heading h2 { font-size: 39px; }
  .product-tables { width: 100%; }
  .chapter-lead { margin-top: 38px; font-size: 20px; }
  .ai-conclusion { margin-top: 58px; padding-top: 26px; }
  .ai-conclusion-context { font-size: 15px; }
  .ai-conclusion h3 { padding-left: 20px; }
  .ai-conclusion h3 span { font-size: 16px; }
  .ai-conclusion h3 strong { font-size: 25px; }
  .chapter blockquote { font-size: 27px; }
  .human-gap-diagram { padding: 24px 20px; }
  .human-gap-flow { grid-template-columns: 1fr; gap: 14px; }
  .gap-arrow { transform: rotate(90deg); }
  .gap-endpoint { min-height: 88px; }
  .shift-panel { grid-template-columns: 1fr; }
  .shift-panel > span { min-height: 54px; transform: rotate(90deg); }
  .compare-lines { grid-template-columns: 1fr; }
  .compare-gap { min-height: 56px; border: 0; border-block: 1px solid var(--line); }
  .compare-gap span { writing-mode: horizontal-tb; }
  .outcome-grid { grid-template-columns: 1fr; }
  .outcome-grid li { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .outcome-grid li:last-child { border-bottom: 0; }
  .principle-stack { gap: 60px; }
  .uiux-pair { grid-template-columns: 1fr; }
  .uiux-pair > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .completion-rule { flex-direction: column; }
  .completion-rule i { flex-basis: 34px; }
  .completion-rule i::after { transform: rotate(90deg); }
  .blasco-intro { grid-template-columns: 1fr; }
  .blasco-intro > div + div { border-left: 1px solid var(--line); border-top: 0; }
  .blasco-workflow { grid-template-columns: 1fr; }
  .blasco-workflow > i { min-height: 34px; }
  .blasco-workflow > i::after { transform: rotate(90deg); }
  .workflow-step { min-height: 150px; padding: 19px 14px; }
  .workflow-step small { margin-top: 16px; }
  .workflow-step strong { white-space: normal; }
  .workflow-feature-grid { grid-template-columns: 1fr; }
  .workflow-feature { min-height: 112px; padding: 17px 14px; border-right: 1px solid var(--line); border-bottom: 0; }
  .workflow-feature strong { margin-top: 14px; }
  .workflow-feature:last-child { border-bottom: 1px solid var(--line); }
  .workflow-layer-connector { margin-top: 22px; margin-bottom: -16px; }
  .monitoring-flow { grid-template-columns: 1fr; gap: 16px; }
  .monitoring-flow > i { transform: rotate(90deg); }
  .monitoring-detect { width: 112px; justify-self: center; }
  .monitoring-response { justify-self: center; padding: 0 0 12px; border-bottom: 2px solid var(--ink); border-left: 0; text-align: center; }
  .safety-explanation article { grid-template-columns: 40px 1fr; gap: 0 12px; }
  .release-status { align-items: flex-start; flex-direction: column; gap: 8px; }
  .compact-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .timeline > div:first-child { border-right: 1px solid var(--ink); border-bottom: 0; }
  .timeline > div:last-child { border-left: 1px solid var(--ink); border-top: 0; }
  .timeline > span { min-height: 120px; }
  .number-panel { grid-template-columns: 1fr; }
  .number-panel > div:first-child { border-right: 1px solid var(--line); border-bottom: 0; }
  .growth-line { flex-direction: column; }
  .growth-line span { width: 100%; min-height: 90px; }
  .growth-line i { flex-basis: 16px; transform: rotate(90deg); }
  .aftercare-section { padding: 28px 22px 32px; }
  .expansion-routine { grid-template-columns: 1fr; }
  .impact-grid,
  .impact-calculator,
  .impact-summary { margin-left: 0; }
  .impact-grid { grid-template-columns: 1fr; }
  .impact-card { border-right: 1px solid var(--line); border-bottom: 0; }
  .impact-card:last-child { border-bottom: 1px solid var(--line); }
  .impact-calculator-intro,
  .impact-calculator-body,
  .impact-calculator-note { grid-template-columns: 1fr; }
  .impact-calculator-intro { gap: 12px; padding: 31px 24px 27px; }
  .impact-calculator-fields { border-right: 0; border-bottom: 1px solid var(--line); }
  .impact-calculator-result { padding: 30px 24px; }
  .impact-calculator-note { gap: 14px; padding: 22px 24px 26px; }
  .impact-summary { padding: 32px 24px 36px; }
  .expansion-routine > div { min-height: 104px; }
  .expansion-routine i { min-height: 18px; transform: rotate(90deg); }
  .finale { padding: 92px 0 106px; }
  .final-statement { padding: 38px 28px; }
  .final-statement-copy p { font-size: 15px; }
  .reference { background: linear-gradient(150deg, rgba(241, 239, 233, .6), transparent 48%); }
  .table-wrap { width: 100%; }
  .product-group summary strong { font-size: 16px; }
  .verification-grid { grid-template-columns: 1fr; }
  .site-footer { align-items: flex-start; flex-direction: column; gap: 30px; }
  .footer-actions { align-items: flex-start; flex-direction: column; gap: 16px; }
  .cost-detail-frame {
    width: calc(100vw - 24px);
    height: calc(100vh - 24px);
    height: calc(100dvh - 24px);
    max-height: none;
  }
  .cost-detail-header { min-height: 90px; padding: 20px 18px 18px 22px; }
  .cost-detail-scroll { padding: 30px 20px 48px; }
}

@media (max-width: 430px) {
  .hero h1 { font-size: 34px; line-height: 1.32; }
  .hero-definition { font-size: 16px; line-height: 1.7; }
  .hero-conclusion strong { font-size: 25px; }
  .chapter h2 { font-size: 34px; }
  .impact-person-group,
  .impact-shared-fields { padding-right: 22px; padding-left: 22px; }
  .impact-rate-guide { padding-right: 22px; padding-left: 22px; }
  .impact-person-fields,
  .impact-shared-fields > div { grid-template-columns: 1fr; gap: 0; }
  .commitment-finale-heading h2 { font-size: 32px; line-height: 1.35; }
  .feature-list li { grid-template-columns: 1fr; gap: 6px; }
  .principle-title { grid-template-columns: 1fr; }
  .final-statement strong { font-size: 30px; }
}

@media (max-width: 350px) {
  .brand-logo { width: 140px; }
  .site-contact { padding-inline: 11px; }
}

@media (max-width: 1040px) and (max-height: 600px) and (orientation: landscape) {
  html { scroll-padding-top: 110px; }
  .site-header { height: 60px; }
  .chapter-rail { top: 60px; height: 44px; }
  .hero { padding: 54px 0 70px; }
  .chapter { padding: 62px 0 78px; }
  .part-divider { min-height: 108px; padding-block: 32px; }
  .commitment-finale,
  .finale { padding-block: 72px 84px; }
  .cost-detail-frame {
    width: calc(100vw - 24px);
    height: calc(100dvh - 24px);
  }
  .cost-detail-header { min-height: 76px; padding-block: 14px; }
  .cost-detail-scroll { padding-top: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}