:root {
  color-scheme:light;
  --bg:#f6f8f6;
  --panel:#fff;
  --ink:#182b26;
  --text:#465951;
  --muted:#63756c;
  --line:#d5dfd7;
  --jade:#267657;
  --mint:#e4eee5;
  --amber:#885b1f;
  --sans:Inter,"Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Consolas,monospace
}
* {
  box-sizing:border-box
}
html {
  scroll-padding-top:28px
}
body {
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:16px/1.8 var(--sans);
  -webkit-font-smoothing:antialiased
}
a {
  color:inherit;
  text-underline-offset:5px
}
button,input,textarea {
  font:inherit
}
button,a,input,textarea,summary {
  -webkit-tap-highlight-color:transparent
}
button {
  cursor:pointer
}
button:disabled {
  cursor:default
}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible {
  outline:3px solid var(--jade);
  outline-offset:5px
}
h1,h2,h3,p {
  margin:0
}
button,a {
  touch-action:manipulation
}
.wrap {
  width:min(1280px,calc(100% - 96px));
  margin-inline:auto
}
.skip {
  position:fixed;
  z-index:10;
  top:-100px;
  left:20px;
  background:var(--ink);
  color:white;
  padding:12px
}
.skip:focus {
  top:8px
}
.site-header {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:28px 0;
  border-bottom:1px solid var(--line);
  gap:24px
}
.brand {
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:25px;
  line-height:1;
  font-weight:730;
  letter-spacing:-1px;
  text-decoration:none;
  flex-shrink:0
}
.brand-mark {
  width:28px;
  height:28px;
  object-fit:contain;
  display:inline-block;
  flex-shrink:0
}
.brand-caption {
  font:9px/1.5 var(--mono);
  letter-spacing:.06em;
  width:76px;
  margin-left:10px;
  color:var(--muted)
}
nav {
  display:flex;
  align-items:center;
  gap:32px;
  font-size:13px
}
nav a {
  text-decoration:none;
  padding-block:10px
}
nav a:hover,.text-link:hover {
  color:var(--jade)
}
.nav-github {
  border-left:1px solid var(--line);
  padding-left:26px
}
.hero {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:76px 0 74px
}
.eyebrow,.section-label>span {
  font:10px/1.6 var(--mono);
  letter-spacing:.11em;
  font-weight:500;
  color:var(--jade)
}
.signal {
  display:inline-block;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--jade);
  margin-right:8px;
  vertical-align:1px
}
.hero h1 {
  font-size:clamp(40px,4.7vw,66px);
  font-weight:650;
  letter-spacing:-.055em;
  line-height:1.29;
  margin:27px 0 24px
}
.hero-lede {
  font-size:22px;
  font-weight:550;
  line-height:1.65;
  letter-spacing:-.03em
}
.hero-detail {
  font-size:15px;
  line-height:1.85;
  color:var(--text);
  margin-top:19px;
  max-width:450px
}
.actions {
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
  margin:30px 0 14px
}
.button,button[type=submit] {
  border:1px solid var(--ink);
  border-radius:5px;
  background:var(--ink);
  color:white;
  font-size:14px;
  font-weight:550;
  padding:13px 20px;
  display:inline-flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  text-decoration:none;
  min-height:48px;
  appearance:none;
  -webkit-appearance:none;
  transition:transform .16s
}
.button:hover,button[type=submit]:hover {
  background:#294237;
  border-color:#294237;
  color:white
}
.button:active {
  transform:translateY(1px)
}
.text-link {
  font-size:14px;
  font-weight:550;
  text-decoration:none
}
.micro {
  font-size:12px;
  line-height:1.7;
  color:var(--muted)
}
.evidence-story {
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:7px;
  position:relative;
  min-width:0;
  box-shadow:0 18px 48px -38px #284b35
}
.story-heading {
  padding:22px 24px 19px;
  display:flex;
  gap:12px;
  align-items:center;
  justify-content:space-between
}
.story-heading h2 {
  font-size:13px;
  font-weight:550;
  line-height:1.6
}
.story-tag {
  font:9px/1.5 var(--mono);
  color:var(--muted);
  white-space:nowrap
}
.story-steps {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  border-block:1px solid var(--line)
}
.story-steps button {
  border:0;
  border-right:1px solid var(--line);
  padding:14px 8px;
  background:var(--bg);
  color:var(--text);
  font-size:12px;
  line-height:1.6;
  position:relative;
  min-height:50px
}
.story-steps button:last-child {
  border-right:0
}
.story-steps button span {
  font:10px var(--mono);
  margin-right:7px;
  color:var(--muted)
}
.story-steps button[aria-pressed=true] {
  background:white;
  color:var(--jade);
  font-weight:650
}
.story-steps button[aria-pressed=true]:after {
  content:"";
  height:2px;
  background:var(--jade);
  position:absolute;
  bottom:-1px;
  left:0;
  right:0
}
.story-steps button:hover:not(:disabled) {
  background:var(--mint)
}
.story-content {
  padding:28px 26px 20px
}
.quote-meta {
  display:flex;
  justify-content:space-between;
  color:var(--muted);
  font:10px/1.5 var(--mono);
  letter-spacing:.05em
}
.story-content blockquote {
  font-size:23px;
  line-height:1.65;
  font-weight:500;
  letter-spacing:-.025em;
  margin:14px 0 0;
  min-height:116px
}
.evidence-bridge {
  display:flex;
  align-items:center;
  gap:13px;
  margin:15px 0 20px
}
.evidence-bridge span {
  height:1px;
  background:var(--line);
  flex:1
}
.evidence-bridge b {
  width:28px;
  height:28px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--jade);
  font-size:16px;
  font-weight:400
}
.story-verdict {
  display:flex;
  justify-content:space-between;
  gap:15px;
  align-items:flex-start
}
.story-verdict strong {
  font-size:25px;
  line-height:1.4;
  font-weight:600;
  letter-spacing:-.025em;
  display:block;
  margin-top:5px
}
.story-verdict code {
  font:10px/1.6 var(--mono);
  white-space:nowrap;
  color:var(--amber);
  padding:7px 9px;
  border:1px solid #e1d7c4;
  border-radius:3px;
  background:#fbf7ee;
  margin-top:7px
}
.story-reason {
  font-size:12px;
  line-height:1.7;
  color:var(--text);
  margin-top:9px;
  max-width:290px;
  min-height:42px
}
.evidence-story[data-complete=true] .story-verdict code {
  color:var(--jade);
  border-color:#c6ddcd;
  background:#eef5ef
}
.evidence-story[data-complete=true] .story-verdict strong {
  color:var(--jade)
}
.story-fields {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
  margin:20px 0 0;
  padding-top:15px;
  border-top:1px solid var(--line)
}
.story-fields div {
  min-width:0
}
.story-fields dt {
  font-size:10px;
  color:var(--muted)
}
.story-fields dd {
  font-size:13px;
  font-weight:600;
  line-height:1.6;
  margin:3px 0 0;
  overflow-wrap:anywhere
}
.story-source {
  font-size:12px;
  color:var(--muted);
  padding:16px 24px;
  border-top:1px solid var(--line);
  line-height:1.7;
  background:#fcfdfb;
  border-radius:0 0 7px 7px
}
.story-source a {
  white-space:nowrap
}
.principles {
  display:flex;
  justify-content:space-between;
  gap:18px;
  border-block:1px solid var(--line);
  padding:20px 0;
  font-size:12px;
  color:var(--text)
}
.principles span:before {
  content:"↳";
  font-family:var(--mono);
  color:var(--jade);
  margin-right:12px
}
.section {
  padding:86px 0;
  display:grid;
  grid-template-columns:240px 1fr;
  gap:64px;
  border-bottom:1px solid var(--line)
}
.section-label p {
  color:var(--muted);
  font-size:12px;
  margin-top:12px
}
.section-body {
  min-width:0
}
.section h2,.contact-section h2 {
  font-size:clamp(30px,3.1vw,44px);
  font-weight:550;
  line-height:1.5;
  letter-spacing:-.045em
}
.section-intro {
  max-width:690px;
  margin-top:22px;
  font-size:16px;
  color:var(--text);
  line-height:1.9
}
.integration-flow {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:28px;
  padding:0;
  margin:42px 0 0;
  list-style:none
}
.integration-flow li {
  min-width:0;
  border-top:1px solid var(--line);
  padding-top:16px
}
.flow-number {
  font:11px var(--mono);
  color:var(--jade)
}
.integration-flow h3 {
  font-size:18px;
  font-weight:550;
  margin:14px 0 9px
}
.integration-flow p {
  font-size:13px;
  color:var(--text);
  line-height:1.85
}
.section-tail {
  margin-top:32px
}
.section-tail .micro {
  margin-top:10px
}
.film {
  margin:30px 0 0
}
.film video {
  display:block;
  width:100%;
  height:auto;
  background:#edf1ed;
  border:1px solid var(--line);
  border-radius:5px
}
.film figcaption {
  display:flex;
  gap:18px;
  font-size:12px;
  line-height:1.7;
  color:var(--muted);
  margin-top:13px
}
.film figcaption span {
  font:9px/1.8 var(--mono);
  color:var(--jade);
  white-space:nowrap
}
#concept-film .film figcaption {
  font-size:16px
}
#concept-film .film figcaption span {
  font-size:11px
}
.film-language-links {
  display:flex;
  flex-wrap:wrap;
  gap:4px 20px
}
.film-language-links a {
  display:inline-flex;
  align-items:center;
  min-height:44px
}
#concept-film summary {
  cursor:pointer;
  min-height:44px;
  padding-block:10px
}
#concept-film details p {
  line-height:1.8
}
.availability {
  margin:24px 0 25px
}
.availability>div {
  padding:24px 0;
  border-bottom:1px solid var(--line);
  display:grid;
  grid-template-columns:260px 1fr;
  gap:25px
}
.availability dt {
  font-size:16px;
  font-weight:550;
  line-height:1.6
}
.availability dd {
  margin:0;
  color:var(--text);
  font-size:13px;
  line-height:1.9
}
.state {
  display:block;
  font:12px/1.6 var(--mono);
  letter-spacing:.04em;
  color:var(--muted);
  margin-bottom:9px
}
.state:before {
  content:"";
  width:5px;
  height:5px;
  display:inline-block;
  border:1px solid var(--muted);
  border-radius:50%;
  margin-right:7px;
  vertical-align:1px
}
.state.ready {
  color:var(--jade)
}
.state.ready:before {
  background:var(--jade);
  border-color:var(--jade)
}
.contact-section {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:75px;
  padding-block:84px
}
.contact-section h2 {
  margin:18px 0
}
.contact-section>div>p:not(.eyebrow) {
  font-size:14px;
  color:var(--text);
  max-width:450px;
  margin-bottom:20px
}
.contact-form {
  padding-top:44px
}
.contact-form details {
  border-block:1px solid var(--line);
  padding:18px 0;
  margin-top:20px
}
.contact-form summary {
  cursor:pointer;
  font-size:14px;
  font-weight:550
}
.contact-form form {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  padding-top:22px
}
.contact-form label {
  display:block;
  font-size:12px;
  line-height:1.7
}
.contact-form input:not([type=checkbox]),.contact-form textarea {
  display:block;
  width:100%;
  background:white;
  border:1px solid var(--line);
  border-radius:4px;
  padding:10px;
  margin-top:6px;
  color:var(--ink);
  min-height:44px
}
.contact-form textarea {
  min-height:140px;
  resize:vertical
}
.contact-form .wide {
  grid-column:1/-1
}
.contact-form .privacy {
  font-size:12px;
  line-height:1.8;
  color:var(--muted)
}
.contact-form .consent {
  display:flex;
  align-items:flex-start;
  gap:8px
}
.contact-form .consent input {
  margin:4px 0 0;
  width:17px;
  height:17px
}
.contact-form button {
  grid-column:1/-1;
  justify-self:start
}
.contact-form button:disabled {
  opacity:.6
}
.contact-form #portfolio-status {
  font-size:13px;
  overflow-wrap:anywhere
}
.trap {
  position:absolute;
  left:-9999px;
  width:1px;
  height:1px;
  overflow:hidden
}
.site-footer {
  border-top:1px solid var(--line);
  display:flex;
  gap:25px;
  align-items:center;
  justify-content:space-between;
  padding-block:30px 42px
}
.site-footer .brand {
  font-size:21px
}
.site-footer .brand-mark {
  width:25px;
  height:25px
}
.site-footer>p {
  font:9px/1.8 var(--mono);
  letter-spacing:.07em;
  color:var(--muted)
}
.site-footer>div {
  display:flex;
  gap:22px;
  font-size:11px
}
.site-footer a {
  text-decoration:none
}
.film video::cue {
  background:#fff;
  color:#182b26;
  text-shadow:none
}
html[lang=en] .hero h1 {
  font-size:clamp(46px,5.2vw,73px);
  line-height:1.1;
  letter-spacing:-.065em
}
html[lang=en] .hero-lede {
  font-size:20px
}
html[lang=en] .story-verdict strong {
  font-size:23px
}
@media(min-width:1600px) {
  .hero {
    padding-block:100px
  }
  .hero h1 {
    font-size:70px
  }
}
@media(max-width:1100px) {
  .wrap {
    width:calc(100% - 64px)
  }
  .hero {
    gap:30px
  }
  .brand-caption {
    display:none
  }
  .section {
    grid-template-columns:180px 1fr;
    gap:35px
  }
  .availability>div {
    grid-template-columns:220px 1fr
  }
  .story-heading {
    padding-inline:20px
  }
  .story-content {
    padding-inline:20px
  }
  .story-content blockquote {
    font-size:21px
  }
  .story-verdict {
    gap:10px
  }
  .story-verdict code {
    font-size:9px
  }
  .story-verdict strong {
    font-size:23px
  }
  .story-fields dd {
    font-size:12px
  }
}
@media(max-width:800px) {
  .wrap {
    width:calc(100% - 40px)
  }
  .site-header {
    padding-block:21px;
    gap:14px
  }
  nav {
    gap:17px;
    font-size:12px
  }
  .nav-github {
    display:none
  }
  .brand {
    font-size:23px
  }
  .hero {
    grid-template-columns:1fr;
    gap:36px;
    padding:42px 0 36px
  }
  .hero h1 {
    font-size:46px;
    margin:21px 0 20px;
    line-height:1.26
  }
  .hero-lede {
    font-size:20px
  }
  .hero-detail {
    font-size:14px;
    margin-top:14px;
    max-width:440px
  }
  .hero .actions {
    margin-top:24px;
    gap:24px
  }
  .hero-copy>.micro {
    font-size:12px
  }
  .evidence-story {
    max-width:620px
  }
  .story-heading {
    padding:18px 20px
  }
  .story-content {
    padding:23px 20px 18px
  }
  .story-content blockquote {
    font-size:22px;
    min-height:110px
  }
  .story-verdict strong {
    font-size:24px
  }
  .story-verdict code {
    font-size:10px
  }
  .story-fields dd {
    font-size:13px
  }
  .story-source {
    font-size:12px;
    padding:14px 20px
  }
  .principles {
    flex-direction:column;
    gap:11px;
    padding-block:18px;
    font-size:12px
  }
  .section {
    padding-block:48px;
    grid-template-columns:1fr;
    gap:23px
  }
  .section-label {
    display:flex;
    gap:20px;
    justify-content:space-between;
    align-items:center
  }
  .section-label p {
    margin:0;
    font-size:10px
  }
  .section h2,.contact-section h2 {
    font-size:32px;
    line-height:1.5
  }
  .section-intro {
    font-size:14px;
    margin-top:17px
  }
  .integration-flow {
    gap:18px;
    margin-top:26px
  }
  .integration-flow h3 {
    font-size:15px
  }
  .integration-flow p {
    font-size:12px
  }
  .section-tail {
    margin-top:25px
  }
  .availability>div {
    grid-template-columns:1fr;
    gap:12px;
    padding:22px 0
  }
  .availability dd {
    font-size:13px
  }
  .availability dt {
    font-size:16px
  }
  .film figcaption {
    display:block
  }
  .film figcaption span {
    display:block;
    margin-bottom:5px
  }
  .contact-section {
    grid-template-columns:1fr;
    gap:20px;
    padding-block:47px
  }
  .contact-form {
    padding-top:0
  }
  .contact-section>div>p:not(.eyebrow) {
    font-size:13px
  }
  .site-footer {
    flex-wrap:wrap;
    gap:20px;
    padding-bottom:30px
  }
  .site-footer>div {
    width:100%;
    flex-wrap:wrap;
    gap:20px
  }
  html[lang=en] .hero h1 {
    font-size:53px
  }
  html[lang=en] .hero-lede {
    font-size:18px
  }
  html[lang=en] .hero-detail {
    font-size:14px
  }
  .contact-form .privacy {
    font-size:12px
  }
}
@media(max-width:420px) {
  nav {
    gap:14px
  }
  .hero h1 {
    font-size:41px
  }
  .story-heading h2 {
    font-size:12px
  }
  .story-tag {
    font-size:8px
  }
  .story-steps button {
    font-size:11px;
    padding-inline:5px
  }
  .story-steps button span {
    margin-right:4px
  }
  .story-content blockquote {
    font-size:20px;
    min-height:104px
  }
  .story-verdict strong {
    font-size:22px
  }
  .story-verdict code {
    font-size:9px;
    letter-spacing:-.025em
  }
  .story-reason {
    font-size:12px;
    max-width:200px;
    min-height:56px
  }
  .story-fields dd {
    font-size:12px
  }
  .integration-flow {
    grid-template-columns:1fr;
    gap:22px
  }
  .integration-flow li {
    display:grid;
    grid-template-columns:28px 1fr;
    gap:5px 12px
  }
  .flow-number {
    grid-row:1/3;
    padding-top:8px
  }
  .integration-flow h3 {
    margin:0;
    font-size:17px
  }
  .integration-flow p {
    grid-column:2;
    font-size:13px
  }
  .section-label {
    align-items:flex-start;
    gap:12px
  }
  .section-label p {
    max-width:140px;
    text-align:right
  }
  html[lang=en] .hero h1 {
    font-size:48px
  }
  html[lang=en] .story-verdict strong {
    font-size:20px
  }
  .contact-form form {
    grid-template-columns:1fr
  }
  .contact-form .wide {
    grid-column:auto
  }
  .desktop-break {
    display:none
  }
}
@media(prefers-reduced-motion:reduce) {
  *,*:before,*:after {
    transition:none!important;
    animation:none!important;
    scroll-behavior:auto!important
  }
}
.story-lab {
  display:flex;
  flex-wrap:wrap;
  gap:0 20px;
  border-top:1px solid var(--line);
  padding:3px 24px;
  font-size:12px;
  color:var(--jade)
}
.story-lab a {
  display:inline-flex;
  align-items:center;
  min-height:44px;
  text-decoration:none
}
.story-source {
  font-size:12px
}
/* Keep the conclusion intact beside long Japanese confirmation wording. */
@media (max-width:420px) {
  .story-verdict {
    display:block;
    position:relative;
  }
  .story-verdict code {
    position:absolute;
    right:0;
    top:-4px;
    margin:0;
  }
  .story-verdict strong {
    margin-top:14px;
  }
  .story-reason {
    max-width:none;
    min-height:40px;
  }
  .hero .actions {
    gap:14px 20px;
  }
}