/* Evidence Lab — a sentence, gradually becoming your own. */
:root {
  --body:#f8f7f2;
  --paper:#fffefa;
  --ink:#29352f;
  --muted:#6b736b;
  --line:#dcded5;
  --green:#285747;
  --blue:var(--green);
  --blue-dark:#183d30;
  --soft:#eaf0e9;
  --orange:#b76c53;
  --coral:#b56b55;
  --amber:#97713b;
  --practice:#54738c;
  --english:"Helvetica Neue",Arial,sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 98px;
}
body {
  margin: 0;
  background: var(--body);
  color: var(--ink);
  font:
    15px/1.85 "Hiragino Sans",
    "Noto Sans JP",
    system-ui,
    sans-serif;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
a,
button,
summary {
  touch-action: manipulation;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 5px;
}
::selection {
  background: #d7e5d7;
}
.container {
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: 56px;
}
[lang=en] {
  font-family: var(--english);
}
.header {
  height: 88px;
  border-bottom: 1px solid var(--line);
  background: #f8f7f2f5;
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-shell > .brand + .button {
  margin-left: auto;
}
.nav-shell {
  max-width: 1440px;
  padding-inline: 48px;
  margin: auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 38px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--english);
  font-size: 23px;
  font-weight: 650;
  letter-spacing: -1px;
  white-space: nowrap;
}
.brand-label {
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 1.4px;
  color: var(--muted);
  padding-left: 18px;
  margin-left: 8px;
  border-left: 1px solid var(--line);
}
.header nav {
  display: flex;
  gap: 27px;
  margin-left: auto;
  font-size: 12px;
}
.header nav a:hover,
.quiet-link:hover {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 6px;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  background: var(--green);
  color: white;
  border: 1px solid var(--green);
  border-radius: 6px;
  min-height: 54px;
  padding: 14px 22px;
  font-size: 13px;
  font-weight: 600;
  transition: background .2s;
}
.button:hover {
  background: var(--blue-dark);
}
.button span {
  font-size: 19px;
  font-weight: 400;
}
.button.small {
  min-height: 43px;
  padding: 8px 17px;
  font-size: 12px;
  gap: 23px;
}
.eyebrow,
.mini-label {
  font: 500 10px/1.5 var(--english);
  letter-spacing: 1.8px;
  color: var(--green);
}
.eyebrow {
  margin-bottom: 24px;
}
.live-dot {
  display: inline-block;
  background: var(--coral);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin: 0 9px 1px 0;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h2 {
  font-size: 34px;
  line-height: 1.65;
  letter-spacing: -1.4px;
  font-weight: 600;
  margin-bottom: 0;
}
.hero {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 54px;
  align-items: center;
  padding-block: 76px 86px;
}
.hero h1 {
  font-size: clamp(32px, 3.15vw, 44px);
  line-height: 1.7;
  letter-spacing: -2.6px;
  font-weight: 650;
  margin: 27px 0;
}
.underlined {
  position: relative;
  white-space: nowrap;
}
.underlined:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 4px;
  background: #bacdb7;
  transform: rotate(-3deg);
}
.hero-description {
  font-size: 14px;
  color: var(--muted);
  line-height: 2.1;
  margin: 27px 0 31px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 21px;
  flex-wrap: wrap;
}
.quiet-link {
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.play-mark {
  font-size: 19px;
}
.micro {
  font-size: 10px;
  color: var(--muted);
  margin-top: 13px;
  letter-spacing: .2px;
}
.micro span {
  margin-inline: 6px;
}
.hero-note {
  display: flex;
  align-items: center;
  gap: 17px;
  margin-top: 52px;
}
.hero-note p {
  margin: 0;
  font-size: 11px;
  line-height: 1.9;
  color: var(--muted);
}
.hero-note strong {
  font-weight: 500;
  color: var(--ink);
}
.support-mark {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 32px;
}
.support-mark i {
  height: 2px;
  width: 30px;
  background: #78907b;
}
.support-mark i:nth-child(2) {
  width: 22px;
}
.support-mark i:nth-child(3) {
  width: 13px;
}
.support-mark i:nth-child(4) {
  width: 4px;
  height: 4px;
  border-radius: 50%;
}
.sentence-lab {
  position: relative;
  border: 1px solid #d6d9cd;
  background: var(--paper);
  border-radius: 9px;
  box-shadow: 0 5px 0 -1px #efeee6, 0 6px 0 #d6d9cd;
  padding: 0 30px;
}
.lab-top,
.lab-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font: 10px/1.6 var(--english);
  letter-spacing: 1.5px;
}
.lab-top {
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.lab-top b {
  font-weight: 400;
  color: var(--coral);
  margin-left: 5px;
}
.sample-pill {
  font-size: 9px;
  letter-spacing: 0;
  border: 1px solid var(--line);
  padding: 2px 7px;
  border-radius: 3px;
  color: var(--muted);
  font-family: inherit;
  white-space: nowrap;
}
.meeting-moment {
  padding: 23px 0 22px;
  border-bottom: 1px solid var(--line);
}
.meeting-moment .mini-label {
  font-size: 8px;
  letter-spacing: 1px;
  color: var(--muted);
}
.meeting-moment > p {
  font-size: 17px;
  margin: 8px 0 14px;
  line-height: 1.5;
}
.first-words {
  display: flex;
  align-items: center;
  gap: 13px;
}
.first-words > span:first-child {
  font: 8px var(--english);
  color: var(--coral);
  letter-spacing: 1px;
}
.first-words p {
  font-size: 19px;
  margin: 0;
  color: #757a70;
}
.pause-mark {
  font-size: 11px;
  color: #bb9888;
  margin-left: auto;
  white-space: nowrap;
}
.sentence-trail {
  list-style: none;
  margin: 0;
  padding: 0 0 0 23px;
}
.sentence-trail li {
  position: relative;
  border-left: 1px solid #c9d7c6;
  padding: 22px 0 22px 24px;
}
.sentence-trail li:last-child {
  border-left-color: transparent;
  padding-bottom: 26px;
}
.trail-dot {
  position: absolute;
  left: -5px;
  top: 26px;
  border: 1px solid #869e86;
  background: var(--paper);
  border-radius: 50%;
  width: 9px;
  height: 9px;
  line-height: 15px;
  text-align: center;
  font-size: 10px;
}
.with-help .trail-dot {
  border-color: var(--practice);
}
.without-help .trail-dot {
  background: #89a78b;
}
.new-situation .trail-dot {
  width: 17px;
  height: 17px;
  left: -9px;
  top: 23px;
  background: var(--green);
  color: white;
  border-color: var(--green);
}
.state-heading {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  font: 9px var(--english);
  letter-spacing: 1.35px;
  color: var(--muted);
}
.state-heading small {
  font-size: 9px;
  letter-spacing: 0;
  font-family: inherit;
}
.with-help .state-heading {
  color: var(--practice);
}
.sentence-trail p {
  font-size: 25px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -.5px;
  margin: 14px 0 0;
}
.sentence-trail .scaffold-sentence {
  font-size: 27px;
  color: var(--practice);
}
.blank {
  display: inline-block;
  border-bottom: 1px dashed #90a5b4;
  min-width: 50px;
  margin: 0 4px;
  line-height: .9;
}
.without-help .annotation {
  display: inline-block;
  color: var(--muted);
  font-size: 10px;
  margin-top: 10px;
}
.new-situation p {
  color: var(--green);
}
.new-situation .state-heading {
  color: var(--green);
}
.evidence-seal {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--green);
  font-size: 11px;
  margin-top: 15px;
}
.evidence-seal > span {
  display: grid;
  place-items: center;
  background: #e9f0e4;
  width: 19px;
  height: 19px;
  border-radius: 50%;
}
.lab-bottom {
  border-top: 1px solid var(--line);
  padding: 15px 0;
  color: #747e72;
  font-size: 8px;
  letter-spacing: 1.3px;
}
.difference {
  padding-block: 42px 53px;
  border-block: 1px solid var(--line);
}
.difference-intro {
  display: flex;
  gap: 23px;
  align-items: center;
  margin-bottom: 40px;
}
.difference-intro .eyebrow {
  margin: 0;
  font-size: 9px;
}
.difference-intro h2 {
  font-size: 21px;
  letter-spacing: -.6px;
}
.difference-intro p {
  font-size: 11px;
  line-height: 1.8;
  margin: 0 0 0 auto;
  color: var(--muted);
}
.evidence-trail {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0;
  margin: 0;
}
.evidence-trail li {
  position: relative;
  padding: 23px 0 0;
}
.evidence-trail li:before {
  content: "";
  height: 1px;
  background: #cbd3c6;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}
.evidence-trail li:last-child:before {
  right: 50%;
}
.trail-node {
  position: absolute;
  left: 0;
  top: -5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--body);
  border: 1px solid #9ca296;
  color: white;
  font-size: 9px;
  line-height: 15px;
  text-align: center;
}
.evidence-trail li:nth-child(2) .trail-node {
  border-color: var(--practice);
  background: #dce6e9;
}
.evidence-trail li:nth-child(3) .trail-node {
  background: #9bb498;
  border-color: #9bb498;
}
.evidence-trail li:last-child .trail-node {
  width: 17px;
  height: 17px;
  top: -8px;
  background: var(--green);
  border-color: var(--green);
}
.evidence-trail small {
  display: block;
  font: 9px var(--english);
  letter-spacing: 1.3px;
  color: var(--muted);
  margin-bottom: 9px;
}
.evidence-trail strong {
  font-size: 14px;
  font-weight: 500;
}
.evidence-trail li:last-child strong {
  color: var(--green);
}
.section {
  padding-block: 100px;
}
.diagnosis-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
}
.diagnosis-copy p {
  font-size: 14px;
  color: var(--muted);
  line-height: 2.1;
  margin: 24px 0;
}
.diagnosis-copy .quiet-link {
  margin-top: 8px;
}
.diagnosis-paper {
  padding: 29px 32px;
  background: #eeeee6;
  border-radius: 4px;
}
.paper-caption {
  display: flex;
  justify-content: space-between;
  font: 9px var(--english);
  letter-spacing: 1.5px;
  color: var(--muted);
}
.diagnosis-paper blockquote {
  font-size: 31px;
  line-height: 1.45;
  font-weight: 500;
  letter-spacing: -.6px;
  margin: 30px 0;
}
.noticed-word {
  border-bottom: 2px solid #c88e75;
}
.diagnosis-marks {
  border-top: 1px solid #d5d8cb;
}
.diagnosis-marks > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid #d5d8cb;
  font-size: 12px;
}
.diagnosis-marks b {
  font-weight: 400;
  font-size: 11px;
}
.observed {
  color: var(--green);
}
.unobserved {
  color: var(--muted);
}
.focus-mark {
  color: var(--amber);
}
.focus-mark span:before {
  content: "\21b3";
  margin-right: 8px;
}
.paper-note {
  font-size: 10px;
  margin: 18px 0 0;
  color: var(--muted);
}
.experiment-section {
  background: #eaf0f1;
  padding-block: 74px 40px;
}
.experiment-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 35px;
}
.experiment-intro p {
  font-size: 13px;
  line-height: 2;
  color: #637582;
  margin: 0 0 5px;
}
.experiment-intro strong {
  font-weight: 600;
  color: #384f62;
}
.experiment-intro .eyebrow {
  color: var(--practice);
}
.experiment {
  margin-top: 42px;
  background: #fcfdfb;
  border: 1px solid #d0dce0;
  border-radius: 8px;
  padding: 24px 38px 0;
  overflow: hidden;
}
.experiment-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.experiment-top .mini-label {
  color: var(--practice);
  font-size: 9px;
}
.support-guide {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 34px;
  max-height: 70px;
  overflow: hidden;
  opacity: 1;
  transition:
    opacity .55s,
    max-height .65s,
    margin .65s;
}
.support-guide > span {
  font-size: 10px;
  color: #56748b;
  white-space: nowrap;
}
.support-guide p {
  font-size: 22px;
  color: #6586a0;
  line-height: 1.4;
  margin: 0;
}
.support-guide p span {
  display: inline-block;
  min-width: 100px;
  border-bottom: 1px dashed #99aebe;
  text-align: center;
}
.learner-sentence {
  font-size: clamp(30px, 4.2vw, 56px);
  line-height: 1.35;
  letter-spacing: -1.9px;
  font-weight: 450;
  padding: 34px 0 48px;
  color: #758c9a;
}
.own-words {
  color: var(--ink);
  border-bottom: 1px solid #c4d1d6;
  padding-bottom: 5px;
  transition: border-color .65s;
}
.experiment-bottom {
  border-top: 1px solid #d7e1e3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
  padding-block: 19px;
}
.experiment-bottom p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}
.hint-toggle {
  border: 1px solid #b8cad1;
  background: transparent;
  padding: 10px 14px;
  border-radius: 5px;
  display: flex;
  justify-content: space-between;
  gap: 25px;
  white-space: nowrap;
  font-size: 11px;
  color: #39576c;
  min-height: 44px;
}
.hint-toggle:hover {
  background: #eaf0f1;
}
.experiment.is-independent .support-guide {
  opacity: 0;
  max-height: 0;
  margin-top: 14px;
  visibility: hidden;
  transition:
    opacity .4s,
    max-height .65s,
    margin .65s,
    visibility 0s .65s;
}
.experiment.is-independent .learner-sentence {
  color: var(--green);
}
.experiment.is-independent .own-words {
  color: var(--green);
  border-color: transparent;
}
.experiment.is-independent {
  border-color: #b7c8b3;
}
.independence-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
}
.independence-note > span {
  font: 9px var(--english);
  letter-spacing: 1.5px;
  color: var(--practice);
}
.independence-note p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}
.independence-note strong {
  font-weight: 500;
  color: var(--ink);
}
.transfer-section {
  background: #254a3e;
  color: #f3f4e9;
}
.transfer-inner {
  padding-block: 57px 45px;
}
.transfer-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}
.transfer-top .eyebrow {
  color: #b7ccb7;
  margin: 0;
  font-size: 9px;
}
.transfer-top > span {
  font-size: 10px;
  color: #c4d2c3;
}
.transfer-context {
  display: flex;
  align-items: center;
  gap: 17px;
  margin-top: 65px;
}
.transfer-context > span {
  font: 8px var(--english);
  letter-spacing: 1px;
  color: #ced7c5;
  border: 1px solid #678071;
  padding: 3px 8px;
  border-radius: 3px;
}
.transfer-context p {
  font-size: 12px;
  color: #c7d4c4;
  margin: 0;
}
.transfer-section blockquote {
  font-size: clamp(34px, 4.5vw, 61px);
  line-height: 1.25;
  letter-spacing: -1.8px;
  margin: 24px 0 45px;
  font-weight: 400;
}
.transfer-section blockquote span {
  color: #c6d9b8;
}
.transfer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  padding-top: 26px;
  border-top: 1px solid #5b7666;
}
.transfer-bottom h2 {
  font-size: 20px;
  letter-spacing: -.6px;
}
.transfer-bottom h2 > span {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid #8ca786;
  border-radius: 50%;
  font-size: 16px;
  margin-right: 12px;
}
.transfer-bottom p {
  font-size: 11px;
  color: #c7d4c4;
  margin: 0;
  line-height: 1.9;
}
.transfer-disclaimer {
  font-size: 9px;
  color: #bacbbb;
  margin: 29px 0 0;
}
.progress-section {
  padding-block: 103px;
}
.progress-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.progress-copy h2 {
  font-size: 32px;
}
.progress-copy > p {
  font-size: 13px;
  color: var(--muted);
  line-height: 2.1;
  margin: 24px 0;
}
.check-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 29px;
  font-size: 12px;
  line-height: 2.4;
}
.check-list li:before {
  content: "\2713";
  display: inline-block;
  width: 23px;
  color: var(--green);
}
.evidence-demo {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 8px;
  overflow: hidden;
}
.evidence-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 23px 24px 19px;
}
.evidence-header .mini-label {
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0;
}
.evidence-tabs {
  display: flex;
  margin: 0 24px;
  border-bottom: 1px solid var(--line);
  gap: 13px;
}
.evidence-tabs button {
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 10px 0;
  background: none;
  min-height: 44px;
  flex: 1;
  color: var(--muted);
  font-size: 10px;
  white-space: nowrap;
}
.evidence-tabs button[aria-selected=true] {
  color: var(--green);
  border-bottom-color: var(--green);
  font-weight: 600;
}
#evidence-panel {
  padding: 26px 24px;
  min-height: 296px;
}
.evidence-meta {
  font-size: 10px;
  color: var(--muted);
}
#evidence-quote {
  font-size: 25px;
  line-height: 1.45;
  letter-spacing: -.4px;
  margin: 22px 0;
  min-height: 98px;
}
.observation-result {
  font-size: 11px;
  border-left: 2px solid var(--coral);
  padding: 5px 0 5px 12px;
  color: #895946;
  line-height: 1.9;
}
.observation-dot {
  display: none;
}
#evidence-panel[data-stage="1"] .observation-result,
#evidence-panel[data-stage="2"] .observation-result {
  border-color: var(--green);
  color: var(--green);
}
#evidence-note {
  font-size: 10px;
  color: var(--muted);
  margin: 14px 0 0;
}
.evidence-bottom {
  border-top: 1px solid var(--line);
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--muted);
}
#platforms {
  border-top: 1px solid var(--line);
  padding-top: 65px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
  margin-bottom: 38px;
}
.section-heading > p {
  font-size: 13px;
  line-height: 2.1;
  color: var(--muted);
  margin: 0;
}
.platform-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
}
.platform-card {
  border: 1px solid var(--line);
  background: #fdfcf7;
  padding: 31px;
  border-radius: 8px;
}
.platform-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.platform-icon {
  font-size: 25px;
  color: var(--green);
}
.availability {
  display: inline-block;
  font-size: 9px;
  color: var(--green);
  border: 1px solid #c7d3c0;
  padding: 4px 9px;
  border-radius: 4px;
}
.availability.planned {
  border-color: #d8cbb8;
  color: #896c45;
}
.platform-card .eyebrow {
  font-size: 9px;
  color: var(--muted);
  margin-bottom: 15px;
}
.platform-card h3 {
  font-size: 25px;
  font-weight: 550;
  letter-spacing: -.8px;
  line-height: 1.65;
  margin-bottom: 21px;
}
.platform-card p {
  font-size: 13px;
  line-height: 2;
  color: var(--muted);
  margin: 0;
}
.platform-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 22px 0 27px;
}
.platform-tags span {
  font-size: 10px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 5px;
}
.android-card {
  background: #eeeee6;
}
.android-icon {
  width: 33px;
  height: 33px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.4;
}
.android-icon circle {
  fill: var(--ink);
  stroke: none;
}
.button.dark {
  background: transparent;
  color: var(--ink);
  border-color: #aeb8a9;
}
.button.dark:hover {
  background: #e0e4d8;
}
.platform-footnote {
  font-size: 10px;
  color: var(--muted);
  margin: 19px 0 0;
}
.faq-section {
  display: grid;
  grid-template-columns: 1fr 1.55fr;
  gap: 65px;
  padding-block: 0 90px;
}
.faq-section h2 {
  font-size: 28px;
}
.faqs details {
  border-top: 1px solid var(--line);
}
.faqs details:last-child {
  border-bottom: 1px solid var(--line);
}
summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 23px 0;
  font-size: 13px;
  font-weight: 500;
}
summary::-webkit-details-marker {
  display: none;
}
summary span {
  color: var(--green);
  font-size: 18px;
  font-weight: 400;
}
.faqs details[open] summary span {
  transform: rotate(45deg);
}
.faqs p {
  font-size: 12px;
  line-height: 2.1;
  color: var(--muted);
  margin: 0 0 24px;
}
.ownership {
  padding-block: 70px 90px;
  text-align: center;
  border-top: 1px solid var(--line);
}
.ownership h2 {
  font-size: 36px;
  line-height: 1.7;
}
.ownership > p {
  font-size: 13px;
  color: var(--muted);
  line-height: 2;
  margin: 22px 0 32px;
}
.ownership-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
  max-width: 760px;
  margin: 0 auto 15px;
  border-bottom: 1px solid #81927c;
  padding: 20px 3px;
}
.ownership-entry > span {
  font-size: 13px;
  color: var(--muted);
}
.ownership-entry strong {
  font-size: 13px;
  color: var(--green);
  font-weight: 500;
}
.ownership-entry strong > span {
  margin-left: 20px;
}
.ownership-entry:hover {
  border-color: var(--green);
  background: #eff1e8;
}
.footer {
  display: flex;
  align-items: center;
  gap: 22px;
  border-top: 1px solid var(--line);
  padding-block: 29px 33px;
}
.footer .brand {
  font-size: 18px;
}
.footer p {
  font-size: 10px;
  color: var(--muted);
  margin: 0;
}
.footer > div {
  display: flex;
  gap: 18px;
  margin-left: auto;
  font-size: 10px;
  color: var(--muted);
}
dialog {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 12px;
  width: min(540px, calc(100% - 30px));
  max-height: 90vh;
  padding: 36px;
  box-shadow: 0 30px 100px #1c32242a;
}
dialog::backdrop {
  background: #1c322480;
  backdrop-filter: blur(3px);
}
dialog h2 {
  font-size: 27px;
  margin-top: 22px;
}
dialog p {
  font-size: 14px;
  line-height: 2;
  color: var(--muted);
}
.dialog-note {
  background: #eeeee6;
  border-radius: 5px;
  padding: 15px;
  font-size: 12px;
}
dialog .button {
  width: 100%;
  margin-top: 15px;
}
.dialog-close {
  position: absolute;
  top: 16px;
  right: 16px;
  border: 1px solid var(--line);
  background: none;
  border-radius: 6px;
  width: 40px;
  height: 40px;
  font-size: 23px;
}
.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 10px;
  top: 8px;
  padding: 10px;
  background: white;
  z-index: 100;
}
.legal {
  max-width: 820px;
  padding-block: 65px 100px;
}
.legal h1 {
  font-size: 32px;
  line-height: 1.6;
}
.legal h2 {
  font-size: 21px;
  margin-top: 35px;
}
.legal p {
  color: var(--muted);
  font-size: 14px;
}
.legal a {
  color: var(--green);
  text-decoration: underline;
}
@media (min-width: 1500px) {
  .hero {
    padding-block: 100px 105px;
  }
  .hero h1 {
    font-size: 45px;
  }
}
@media (max-width: 1150px) {
  .container {
    padding-inline: 35px;
  }
  .nav-shell {
    padding-inline: 30px;
    gap: 24px;
  }
  .brand-label {
    display: none;
  }
  .hero {
    gap: 32px;
  }
  .hero h1 {
    font-size: 34px;
    letter-spacing: -2px;
  }
  .hero .eyebrow {
    font-size: 8px;
    letter-spacing: 1.3px;
  }
  .hero-description {
    font-size: 12px;
  }
  .hero-actions {
    gap: 16px;
  }
  .hero-actions .button {
    font-size: 12px;
    padding: 13px 16px;
    gap: 20px;
  }
  .hero-actions .quiet-link {
    font-size: 11px;
  }
  .sentence-lab {
    padding-inline: 23px;
  }
  .sentence-trail p {
    font-size: 23px;
  }
  .state-heading {
    font-size: 8px;
    letter-spacing: 1px;
  }
  .state-heading small {
    font-size: 8px;
  }
  .diagnosis-section {
    gap: 45px;
  }
  .progress-grid {
    gap: 35px;
  }
  .progress-copy h2 {
    font-size: 28px;
  }
  .footer {
    flex-wrap: wrap;
  }
  .footer > div {
    margin-left: 0;
  }
  .experiment-intro h2 {
    font-size: 30px;
  }
  .experiment-intro p {
    font-size: 12px;
  }
}
@media (max-width: 800px) {
  .header {
    height: 72px;
  }
  .nav-shell {
    padding-inline: 22px;
    gap: 18px;
  }
  .header nav {
    gap: 17px;
    font-size: 11px;
  }
  .brand {
    font-size: 20px;
  }
  .header nav a:last-child {
    display: none;
  }
  .hero {
    gap: 28px;
    padding-block: 48px 60px;
  }
  .hero h1 {
    font-size: 27px;
    letter-spacing: -1.5px;
  }
  .hero-description br {
    display: none;
  }
  .hero-description {
    max-width: 310px;
    font-size: 12px;
  }
  .hero-note {
    margin-top: 29px;
  }
  .sentence-lab {
    padding-inline: 19px;
  }
  .sentence-trail {
    padding-left: 8px;
  }
  .sentence-trail li {
    padding-left: 17px;
  }
  .sentence-trail p {
    font-size: 20px;
  }
  .sentence-trail .scaffold-sentence {
    font-size: 23px;
  }
  .blank {
    min-width: 32px;
  }
  .state-heading small {
    display: none;
  }
  .first-words p {
    font-size: 16px;
  }
  .pause-mark {
    display: none;
  }
  .difference-intro {
    gap: 17px;
  }
  .difference-intro h2 {
    font-size: 18px;
  }
  .difference-intro p {
    font-size: 10px;
  }
  .evidence-trail strong {
    font-size: 12px;
  }
  .evidence-trail small {
    font-size: 8px;
    letter-spacing: .6px;
  }
  .section {
    padding-block: 70px;
  }
  .diagnosis-section {
    gap: 28px;
  }
  .diagnosis-paper {
    padding: 25px;
  }
  .diagnosis-paper blockquote {
    font-size: 26px;
  }
  h2 {
    font-size: 27px;
  }
  .diagnosis-copy p {
    font-size: 12px;
  }
  .experiment-intro {
    align-items: flex-start;
    flex-direction: column;
    gap: 17px;
  }
  .experiment-intro .eyebrow {
    margin-bottom: 17px;
  }
  .transfer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }
  .progress-grid {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
  }
  .progress-copy h2 {
    font-size: 24px;
  }
  .progress-copy > p {
    font-size: 12px;
  }
  .check-list {
    font-size: 11px;
  }
  .progress-copy .button {
    font-size: 12px;
  }
  #evidence-quote {
    font-size: 22px;
  }
  .evidence-tabs {
    gap: 8px;
    margin-inline: 18px;
  }
  .evidence-tabs button {
    font-size: 8px;
  }
  .section-heading > p {
    font-size: 11px;
  }
  .platform-card {
    padding: 25px;
  }
  .platform-card h3 {
    font-size: 22px;
  }
  .platform-card p {
    font-size: 12px;
  }
  .faq-section {
    gap: 32px;
  }
  .ownership h2 {
    font-size: 31px;
  }
}
@media (max-width: 650px) {
  html {
    scroll-padding-top: 86px;
  }
  .container {
    padding-inline: 24px;
  }
  .header {
    height: 68px;
  }
  .nav-shell {
    padding-inline: 18px;
    justify-content: space-between;
  }
  .brand {
    font-size: 19px;
    gap: 8px;
  }
  .brand img {
    width: 29px;
    height: 29px;
  }
  .header nav {
    display: none;
  }
  .button.small {
    font-size: 10px;
    min-height: 39px;
    padding: 7px 12px;
    gap: 15px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-block: 41px 53px;
    gap: 33px;
  }
  .hero .eyebrow {
    font-size: 8px;
    letter-spacing: 1.25px;
    margin: 0;
  }
  .hero h1 {
    font-size: clamp(28px, 7.1vw, 40px);
    line-height: 1.65;
    letter-spacing: -1.5px;
    margin: 23px 0;
  }
  .hero-description {
    font-size: 13px;
    max-width: 100%;
    line-height: 2;
    margin: 25px 0;
  }
  .hero-description br {
    display: block;
  }
  .hero-actions {
    gap: 17px;
    align-items: center;
  }
  .hero-actions .button {
    font-size: 12px;
    min-height: 50px;
    padding: 12px 15px;
    gap: 14px;
  }
  .hero-actions .quiet-link {
    font-size: 10px;
    gap: 6px;
  }
  .hero-note {
    display: none;
  }
  .micro {
    font-size: 9px;
  }
  .sentence-lab {
    padding-inline: 22px;
  }
  .lab-top {
    padding-block: 17px;
  }
  .meeting-moment {
    padding-block: 20px;
  }
  .meeting-moment > p {
    font-size: 18px;
  }
  .first-words p {
    font-size: 18px;
  }
  .sentence-trail {
    padding-left: 10px;
  }
  .sentence-trail li {
    padding: 24px 0 24px 23px;
  }
  .state-heading {
    font-size: 9px;
  }
  .state-heading small {
    display: block;
    font-size: 8px;
  }
  .sentence-trail p {
    font-size: 25px;
    letter-spacing: -.65px;
  }
  .sentence-trail .scaffold-sentence {
    font-size: 23px;
    white-space: nowrap;
  }
  .blank {
    min-width: 30px;
  }
  .evidence-seal {
    font-size: 10px;
  }
  .difference {
    padding-block: 32px 38px;
  }
  .difference-intro {
    display: block;
    margin-bottom: 32px;
  }
  .difference-intro .eyebrow {
    display: block;
    margin-bottom: 12px;
  }
  .difference-intro h2 {
    font-size: 23px;
  }
  .difference-intro p {
    font-size: 11px;
    margin-top: 13px;
  }
  .difference-intro p br {
    display: none;
  }
  .evidence-trail {
    grid-template-columns: 1fr 1fr;
    row-gap: 35px;
  }
  .evidence-trail li:nth-child(2):before {
    right: 15%;
  }
  .evidence-trail small {
    font-size: 8px;
    letter-spacing: 1px;
  }
  .evidence-trail strong {
    font-size: 12px;
  }
  .section {
    padding-block: 62px;
  }
  .diagnosis-section {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .eyebrow {
    font-size: 9px;
    margin-bottom: 19px;
  }
  h2 {
    font-size: 28px;
    letter-spacing: -1px;
  }
  .diagnosis-copy p {
    font-size: 13px;
    line-height: 2.1;
    margin: 20px 0;
  }
  .diagnosis-paper {
    padding: 25px;
  }
  .diagnosis-paper blockquote {
    font-size: 29px;
    margin: 26px 0;
  }
  .experiment-section {
    padding-block: 53px 30px;
  }
  .experiment-intro {
    gap: 18px;
  }
  .experiment-intro h2 {
    font-size: 27px;
  }
  .experiment-intro p {
    font-size: 12px;
  }
  .experiment {
    margin-top: 29px;
    padding: 20px 22px 0;
  }
  .experiment-top .mini-label {
    font-size: 8px;
    letter-spacing: .8px;
  }
  .sample-pill {
    font-size: 8px;
  }
  .support-guide {
    margin-top: 28px;
    gap: 16px;
  }
  .support-guide p {
    font-size: 20px;
  }
  .support-guide p span {
    min-width: 43px;
  }
  .learner-sentence {
    font-size: clamp(25px, 6.5vw, 36px);
    line-height: 1.5;
    letter-spacing: -.9px;
    padding: 27px 0 30px;
  }
  .experiment-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 15px;
    padding-block: 18px;
  }
  .experiment-bottom p {
    font-size: 10px;
  }
  .hint-toggle {
    font-size: 11px;
    min-height: 43px;
    align-self: flex-end;
  }
  .independence-note {
    display: block;
  }
  .independence-note > span {
    font-size: 8px;
  }
  .independence-note p {
    font-size: 11px;
    margin-top: 10px;
  }
  .transfer-inner {
    padding-block: 34px;
  }
  .transfer-top {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
  .transfer-top .eyebrow {
    font-size: 8px;
    letter-spacing: 1px;
  }
  .transfer-context {
    margin-top: 42px;
    align-items: flex-start;
    flex-direction: column;
    gap: 11px;
  }
  .transfer-context p {
    font-size: 11px;
  }
  .transfer-section blockquote {
    font-size: clamp(29px, 7.4vw, 43px);
    line-height: 1.4;
    letter-spacing: -1px;
    margin: 23px 0 35px;
  }
  .transfer-bottom {
    gap: 19px;
    padding-top: 25px;
  }
  .transfer-bottom h2 {
    font-size: 17px;
    letter-spacing: -.65px;
  }
  .transfer-bottom h2 > span {
    width: 23px;
    height: 23px;
    font-size: 13px;
    margin-right: 7px;
  }
  .transfer-bottom p {
    font-size: 11px;
  }
  .transfer-disclaimer {
    font-size: 8px;
    margin-top: 24px;
  }
  .progress-section {
    padding-block: 62px;
  }
  .progress-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .progress-copy h2 {
    font-size: 27px;
  }
  .progress-copy > p {
    font-size: 13px;
  }
  .check-list {
    font-size: 12px;
  }
  .evidence-tabs {
    margin-inline: 20px;
    gap: 10px;
  }
  .evidence-tabs button {
    font-size: 10px;
  }
  .evidence-header {
    padding: 21px 20px 15px;
  }
  #evidence-panel {
    padding: 24px 20px;
    min-height: 285px;
  }
  #evidence-quote {
    font-size: 25px;
  }
  #platforms {
    padding-top: 50px;
  }
  .section-heading {
    display: block;
    margin-bottom: 28px;
  }
  .section-heading > p {
    font-size: 12px;
    margin-top: 20px;
  }
  .platform-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .platform-card {
    padding: 27px;
  }
  .platform-card h3 {
    font-size: 25px;
  }
  .platform-card p {
    font-size: 13px;
  }
  .platform-top {
    margin-bottom: 23px;
  }
  .platform-footnote {
    font-size: 9px;
    line-height: 1.9;
  }
  .faq-section {
    grid-template-columns: 1fr;
    gap: 25px;
    padding-bottom: 55px;
  }
  .faq-section .eyebrow {
    font-size: 8px;
    margin-bottom: 13px;
  }
  .faq-section h2 {
    font-size: 26px;
  }
  summary {
    font-size: 12px;
    padding-block: 20px;
  }
  .faqs p {
    font-size: 11px;
  }
  .ownership {
    padding-block: 50px 55px;
  }
  .ownership h2 {
    font-size: 26px;
    line-height: 1.8;
    letter-spacing: -1px;
  }
  .ownership .eyebrow {
    font-size: 8px;
    letter-spacing: 1.1px;
  }
  .ownership > p {
    font-size: 12px;
  }
  .ownership-entry {
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 20px;
    padding: 10px 0 25px;
  }
  .ownership-entry > span {
    font-size: 12px;
  }
  .ownership-entry strong {
    font-size: 13px;
  }
  .footer {
    padding-block: 25px 32px;
    display: block;
  }
  .footer .brand {
    font-size: 19px;
  }
  .footer p {
    margin: 16px 0;
    font-size: 10px;
  }
  .footer > div {
    flex-wrap: wrap;
    gap: 14px;
    font-size: 9px;
  }
  .legal {
    padding-top: 40px;
  }
  .legal h1 {
    font-size: 26px;
  }
  dialog {
    padding: 32px 24px;
  }
  dialog h2 {
    font-size: 24px;
  }
}
@media (min-width: 651px) {
  .hero {
    padding-top: 40px;
    padding-bottom: 54px;
  }
  .sentence-lab .lab-top {
    padding-block: 13px;
    line-height: 1.2;
  }
  .meeting-moment {
    padding-block: 14px;
  }
  .meeting-moment .mini-label {
    display: block;
    line-height: 1.4;
  }
  .meeting-moment > p {
    margin: 8px 0 10px;
    font-size: 16px;
  }
  .first-words p {
    line-height: 1.4;
    font-size: 18px;
  }
  .sentence-trail li {
    padding-top: 16px;
    padding-bottom: 16px;
  }
  .sentence-trail li:last-child {
    padding-bottom: 18px;
  }
  .state-heading {
    line-height: 1.3;
  }
  .sentence-trail p {
    font-size: 24px;
    margin-top: 11px;
    line-height: 1.3;
  }
  .sentence-trail .scaffold-sentence {
    font-size: 26px;
  }
  .without-help .annotation {
    margin-top: 7px;
    line-height: 1.5;
  }
  .evidence-seal {
    margin-top: 10px;
    line-height: 1.5;
  }
  .trail-dot {
    top: 20px;
  }
  .new-situation .trail-dot {
    top: 17px;
  }
  .lab-bottom {
    padding-block: 11px;
    line-height: 1.3;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
}

/* Own Words: the people behind the sentences. */
.hero-human {
  display: flex;
  align-items: center;
  gap: 22px;
  margin: 32px 0 0;
  max-width: 465px;
}
.hero-human img {
  display: block;
  width: 174px;
  height: 116px;
  flex-shrink: 0;
  object-fit: cover;
  object-position: 53% 36%;
  border-radius: 5px;
}
.scene-label {
  display: block;
  color: var(--green);
  font: 500 8px/1.5 var(--english);
  letter-spacing: 1.35px;
  margin-bottom: 10px;
}
.hero-human p {
  font-size: 12px;
  line-height: 1.9;
  margin: 0;
  color: var(--ink);
}
.hero-human small {
  display: block;
  font-size: 8px;
  line-height: 1.5;
  color: var(--muted);
  margin-top: 10px;
}
.human-moment {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  align-items: center;
  gap: 62px;
  padding-top: 83px;
  padding-bottom: 76px;
  border-bottom: 1px solid var(--line);
}
.human-photo {
  margin: 0;
  min-width: 0;
}
.human-photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: 44% center;
  border-radius: 6px;
}
.human-photo figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: 13px;
  font-size: 8px;
  color: var(--muted);
}
.human-photo figcaption span:first-child {
  font-family: var(--english);
  letter-spacing: 1.5px;
}
.human-moment-copy .eyebrow {
  font-size: 9px;
  letter-spacing: 1.5px;
  margin-bottom: 22px;
}
.human-moment h2 {
  font-size: 31px;
  line-height: 1.75;
  letter-spacing: -1px;
  margin-bottom: 24px;
}
.human-moment-copy > p {
  font-size: 13px;
  line-height: 2.1;
  color: var(--muted);
  margin-bottom: 16px;
}
.human-signoff {
  display: flex;
  align-items: center;
  gap: 19px;
  margin-top: 29px;
  font-size: 11px;
  color: var(--green);
}
.human-signoff b {
  display: block;
  font: 500 16px/1.7 var(--english);
  letter-spacing: -.4px;
  margin-top: 4px;
}
@media (max-width: 1000px) {
  .hero-human { gap: 16px; }
  .hero-human img { width: 138px; height: 102px; }
  .hero-human p { font-size: 10px; }
  .scene-label { font-size: 7px; letter-spacing: .8px; }
  .human-moment { gap: 30px; padding-block: 62px; }
  .human-moment h2 { font-size: 26px; }
  .human-moment-copy > p { font-size: 12px; }
  .human-photo img { aspect-ratio: 1.1; }
  .human-photo figcaption { flex-wrap: wrap; gap: 6px; }
}
@media (min-width: 651px) and (max-width: 800px) {
  .hero-human { gap: 12px; }
  .hero-human img { width: 115px; height: 100px; }
  .hero-human p { font-size: 9px; }
  .hero-human small { font-size: 7px; }
  .scene-label { font-size: 6px; letter-spacing: .6px; }
}
@media (max-width: 650px) {
  .hero-human { gap: 18px; margin-top: 27px; max-width: none; }
  .hero-human img { width: 43%; height: auto; aspect-ratio: 3 / 2; }
  .hero-human p { font-size: 11px; }
  .scene-label { font-size: 7px; letter-spacing: 1px; margin-bottom: 7px; }
  .hero-human small { font-size: 7px; margin-top: 7px; }
  .human-moment { grid-template-columns: 1fr; gap: 30px; padding-block: 48px 52px; }
  .human-photo img { aspect-ratio: 3 / 2; }
  .human-photo figcaption { flex-wrap: nowrap; font-size: 7px; gap: 10px; padding-top: 10px; }
  .human-photo figcaption span:first-child { letter-spacing: .8px; }
  .human-moment-copy .eyebrow { font-size: 8px; margin-bottom: 16px; }
  .human-moment h2 { font-size: 28px; margin-bottom: 20px; }
  .human-moment-copy > p { font-size: 12px; }
  .human-signoff { margin-top: 23px; }
}
@media (max-width: 360px) {
  .hero-human { gap: 12px; }
  .hero-human p { font-size: 10px; }
  .scene-label { font-size: 6px; letter-spacing: .6px; }
  .hero-human small { font-size: 6px; }
}