:root {
  --ink:#172521;
  --muted:#62736a;
  --green:#24634b;
  --line:#dce3db;
  --paper:#f7f8f2;
  --white:#fff;
  --mono:ui-monospace,SFMono-Regular,Consolas,monospace;
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:var(--paper);
  font-synthesis:none;
  scroll-behavior:smooth;
  scroll-padding-top:100px
}
* {
  box-sizing:border-box
}
body {
  margin:0
}
a {
  color:inherit;
  text-decoration:none
}
a:hover {
  color:var(--green)
}
button {
  font:inherit
}
a,button {
  touch-action:manipulation
}
a:focus-visible,button:focus-visible,summary:focus-visible {
  outline:3px solid #b08838;
  outline-offset:5px
}
.skip {
  position:absolute;
  left:20px;
  top:-90px;
  background:white;
  padding:12px;
  z-index:50
}
.skip:focus {
  top:12px
}
.wrap {
  max-width:1240px;
  margin:auto;
  padding:0 42px
}
.site-header {
  border-bottom:1px solid var(--line);
  background:rgba(247,248,242,.97);
  position:sticky;
  top:0;
  z-index:10
}
.header-row {
  height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px
}
.brand {
  font-size:24px;
  font-weight:730;
  letter-spacing:-1px;
  display:inline-flex;
  gap:10px;
  align-items:center
}
.brand-mark {
  width:29px;
  height:27px;
  display:inline-block;
  flex-shrink:0;
  background:url('/brand-mark.svg') center / contain no-repeat
}
.nav {
  display:flex;
  gap:28px;
  align-items:center;
  font-size:14px
}
.nav [aria-current=page] {
  font-weight:700;
  color:var(--green)
}
.nav-cta {
  border:1px solid var(--ink);
  padding:10px 18px;
  border-radius:6px
}
.eyebrow {
  font-family:var(--mono);
  letter-spacing:1.8px;
  font-size:11px;
  font-weight:600;
  text-transform:uppercase;
  color:var(--green);
  display:flex;
  gap:10px;
  align-items:center
}
.eyebrow:before {
  content:"";
  width:7px;
  height:7px;
  background:var(--green);
  border-radius:50%
}
h1,h2,h3,p {
  margin:0
}
h1 {
  font-size:clamp(38px,4.6vw,64px);
  line-height:1.2;
  letter-spacing:-2.5px;
  font-weight:650
}
h2 {
  font-size:34px;
  letter-spacing:-1px;
  line-height:1.35;
  font-weight:620
}
h3 {
  font-size:20px;
  font-weight:600
}
.lead {
  font-size:17px;
  color:var(--muted);
  line-height:1.95
}
.hero {
  display:grid;
  grid-template-columns:1.06fr 1fr;
  gap:56px;
  align-items:center;
  padding-top:76px;
  padding-bottom:72px
}
.hero h1 {
  margin:24px 0
}
.hero h1 em {
  font-style:normal;
  color:var(--green)
}
.hero .lead {
  max-width:500px
}
.actions {
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin:30px 0 22px
}
.btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:16px;
  min-height:48px;
  padding:12px 21px;
  border:1px solid var(--green);
  border-radius:6px;
  font-size:14px;
  font-weight:550;
  background:var(--green);
  color:white
}
.btn:hover {
  background:#194b38;
  color:white
}
.btn.secondary {
  background:transparent;
  color:var(--ink);
  border-color:#c6cec4
}
.btn.secondary:hover {
  background:#e8eee4
}
.btn[aria-disabled=true] {
  background:#e9ede5;
  color:#697568;
  border-color:#d7dfd2;
  cursor:default
}
.micro {
  font:11px/1.8 var(--mono);
  color:var(--muted)
}
.hero-note {
  font-size:12px;
  color:var(--muted);
  line-height:1.8
}
.visual {
  background:#e9eee3;
  border:1px solid #d8e1d3;
  border-radius:12px;
  padding:24px;
  min-height:390px;
  position:relative;
  overflow:hidden;
  background-image:radial-gradient(#bfcdb8 .8px,transparent .8px);
  background-size:18px 18px
}
.visual-top {
  display:flex;
  justify-content:space-between;
  align-items:center;
  font:10px var(--mono);
  color:#4e6452
}
.visual-top span:last-child {
  background:#f6f8f2;
  padding:6px 9px;
  border:1px solid #d9e0d5;
  border-radius:20px
}
.flow-demo {
  display:flex;
  align-items:center;
  padding:44px 0 32px;
  gap:18px
}
.browser-demo {
  flex:1;
  background:#fff;
  box-shadow:0 15px 30px #2b402016;
  border:1px solid #c9d6c3;
  border-radius:9px;
  overflow:hidden;
  min-width:0
}
.browser-bar {
  padding:11px;
  background:#f6f8f3;
  border-bottom:1px solid #e6ebe1;
  font:9px var(--mono);
  color:#73816d
}
.dots {
  letter-spacing:2px;
  float:left;
  margin-right:12px
}
.demo-body {
  padding:25px 18px;
  text-align:center
}
.demo-body h3 {
  font-size:15px
}
.demo-body p {
  font-size:10px;
  color:var(--muted);
  margin:8px 0 20px
}
.demo-digits {
  font:27px var(--mono);
  letter-spacing:5px;
  color:var(--green);
  white-space:nowrap
}
.demo-bar {
  height:3px;
  background:#e8eee3;
  margin:13px 0
}
.demo-bar:after {
  content:"";
  display:block;
  width:66%;
  height:100%;
  background:#7fa774
}
.demo-foot {
  font-size:9px;
  color:var(--muted)
}
.phone-demo {
  width:135px;
  flex-shrink:0;
  background:#fff;
  border:5px solid #283c2c;
  border-radius:23px;
  box-shadow:0 15px 30px #2b402025;
  transform:translateY(20px);
  padding:11px 9px 14px;
  text-align:center
}
.phone-notch {
  width:38px;
  height:6px;
  background:#283c2c;
  border-radius:20px;
  margin:0 auto 20px
}
.phone-demo h3 {
  font-size:13px
}
.phone-demo p {
  font-size:9px;
  color:var(--muted);
  margin:7px 0 18px
}
.phone-demo .demo-digits {
  font-size:19px;
  letter-spacing:1px
}
.demo-approve {
  background:#24634b;
  color:#fff;
  font-size:10px;
  padding:10px 4px;
  border-radius:5px;
  margin-top:22px
}
.demo-connection {
  font:20px var(--mono);
  color:#879b7d
}
.visual-caption {
  display:flex;
  justify-content:space-between;
  gap:10px;
  font:10px var(--mono);
  color:#58704f
}
.protocol-strip {
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  padding:23px 0;
  gap:20px
}
.protocol-strip strong {
  font:15px var(--mono);
  display:block;
  margin-bottom:7px
}
.protocol-strip span {
  font-size:11px;
  color:var(--muted)
}
.section {
  padding:76px 0;
  border-bottom:1px solid var(--line)
}
.section-head {
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:40px;
  margin-bottom:38px
}
.section-head h2 {
  margin-top:15px
}
.section-head p {
  font-size:14px;
  line-height:1.9;
  color:var(--muted);
  max-width:380px
}
.steps {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:35px
}
.step-no {
  font:12px var(--mono);
  color:var(--green);
  display:block;
  margin-bottom:22px
}
.steps h3 {
  margin-bottom:12px
}
.steps p {
  font-size:14px;
  line-height:1.95;
  color:var(--muted)
}
.step-line {
  width:40px;
  border-top:2px solid var(--green);
  margin-bottom:24px
}
.split {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:start
}
.split h2 {
  margin:16px 0 22px
}
.split p {
  font-size:14px;
  line-height:2;
  color:var(--muted)
}
.feature-list {
  border-top:1px solid var(--line)
}
.feature {
  padding:21px 0;
  border-bottom:1px solid var(--line);
  display:grid;
  grid-template-columns:28px 1fr;
  gap:10px
}
.feature b {
  font-size:14px;
  display:block;
  margin-bottom:5px
}
.feature p {
  font-size:12px;
  line-height:1.9
}
.feature .symbol {
  color:var(--green);
  font:19px var(--mono)
}
.download-section {
  background:#eaf0e4;
  border-radius:10px;
  padding:42px;
  margin:64px 0
}
.download-section .section-head {
  margin-bottom:28px
}
.download-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px
}
.download-card {
  background:var(--paper);
  border:1px solid #d5dfce;
  border-radius:7px;
  padding:28px
}
.platform-icon {
  font:11px var(--mono);
  color:var(--green);
  margin-bottom:16px;
  display:block
}
.download-card h3 {
  font-size:24px;
  margin-bottom:10px
}
.download-card p {
  font-size:12px;
  line-height:1.8;
  color:var(--muted)
}
.download-card .btn {
  margin-top:24px;
  width:100%
}
.download-card .micro {
  display:block;
  margin-top:10px
}
.config-status {
  font-size:12px;
  line-height:1.9;
  color:var(--muted);
  margin-top:16px
}
.docs-cards {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px
}
.doc-card {
  padding:26px;
  border:1px solid var(--line);
  border-radius:7px;
  background:#fff8;
  display:block
}
.doc-card:hover {
  background:#fff;
  border-color:#96ad8e
}
.doc-card .micro {
  color:var(--green)
}
.doc-card h3 {
  margin:23px 0 12px
}
.doc-card p {
  font-size:13px;
  color:var(--muted);
  line-height:1.85
}
.doc-card .arrow {
  display:block;
  margin-top:24px;
  color:var(--green)
}
.faq {
  max-width:850px;
  margin:auto
}
.faq h2 {
  margin-bottom:30px
}
.faq details {
  border-top:1px solid var(--line);
  padding:22px 0
}
.faq details:last-child {
  border-bottom:1px solid var(--line)
}
summary {
  font-size:15px;
  cursor:pointer
}
details p {
  font-size:13px;
  line-height:1.95;
  color:var(--muted);
  margin-top:16px
}
.site-footer {
  padding:34px 0
}
.footer-row {
  display:flex;
  gap:30px;
  justify-content:space-between;
  align-items:center
}
.footer-links {
  display:flex;
  gap:23px;
  font-size:12px;
  color:var(--muted)
}
.footer-note {
  margin-top:20px;
  font-size:11px;
  line-height:1.9;
  color:var(--muted)
}
.footer-copyright {
  margin-top:8px
}
.doc-layout {
  display:grid;
  grid-template-columns:200px minmax(0,1fr);
  gap:64px;
  padding:48px 0 80px
}
.sidebar {
  position:sticky;
  top:115px;
  align-self:start
}
.sidebar-label {
  font:10px var(--mono);
  letter-spacing:1px;
  color:var(--muted);
  margin:0 0 20px
}
.sidebar a {
  display:block;
  font-size:13px;
  padding:10px 12px;
  border-left:1px solid var(--line)
}
.sidebar a:hover,.sidebar a[aria-current=page] {
  background:#e7eee0;
  border-color:var(--green);
  color:var(--green)
}
.sidebar .subnav {
  margin-top:26px
}
.sidebar .subnav a {
  font-size:12px;
  color:var(--muted)
}
.doc-content {
  max-width:860px;
  min-width:0
}
.doc-content h1 {
  font-size:42px;
  letter-spacing:-1.5px;
  margin:17px 0
}
.doc-content>.lead {
  font-size:15px;
  margin-bottom:30px
}
.doc-content section {
  padding-top:18px;
  margin-top:24px;
  scroll-margin-top:90px
}
.doc-content h2 {
  font-size:25px;
  padding-bottom:15px;
  border-bottom:1px solid var(--line);
  margin-bottom:18px
}
.doc-content h3 {
  font-size:17px;
  margin:25px 0 12px
}
.doc-content p,.doc-content li {
  font-size:14px;
  line-height:1.95
}
.doc-content p {
  margin:13px 0;
  color:#4d5f53
}
.doc-content ol,.doc-content ul {
  padding-left:23px
}
.doc-content li {
  margin:8px 0
}
.doc-content p a,.doc-content li a {
  color:var(--green);
  text-decoration:underline;
  text-underline-offset:3px
}
code {
  font-family:var(--mono);
  font-size:.88em;
  overflow-wrap:anywhere
}
.doc-content :not(pre)>code {
  background:#e9eee3;
  padding:2px 5px;
  border-radius:3px
}
pre {
  position:relative;
  background:#1e3028;
  color:#e3eddd;
  padding:25px 22px 22px;
  border-radius:7px;
  overflow:auto;
  line-height:1.8;
  font-size:12px;
  margin:18px 0;
  tab-size:2
}
pre code {
  overflow-wrap:normal;
  display:block;
  padding-top:10px
}
pre button {
  position:absolute;
  top:9px;
  right:10px;
  border:1px solid #576b5d;
  border-radius:4px;
  color:#c2d3be;
  background:transparent;
  padding:4px 9px;
  font-size:10px;
  cursor:pointer
}
pre[data-code-language]::before {
  content:attr(data-code-language);
  position:absolute;
  top:11px;
  left:22px;
  color:#bbceae;
  font:10px var(--mono);
  letter-spacing:.5px
}
pre[data-code-language] code {
  padding-top:18px
}
.code-example {
  margin:18px 0;
  border:1px solid var(--line);
  border-radius:7px;
  min-width:0
}
.code-example summary {
  padding:14px 18px;
  cursor:pointer;
  font-size:13px;
  color:var(--green);
  font-weight:600
}
.code-example pre {
  margin:0;
  border-radius:0 0 6px 6px;
  max-height:620px
}
.table-wrap {
  overflow:auto;
  margin:18px 0;
  border:1px solid var(--line);
  border-radius:6px
}
table {
  border-collapse:collapse;
  width:100%;
  font-size:12px;
  text-align:left;
  line-height:1.8
}
th {
  background:#eaf0e3;
  font-weight:600;
  white-space:nowrap
}
td,th {
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  vertical-align:top
}
td {
  min-width:100px
}
tr:last-child td {
  border-bottom:0
}
.callout {
  background:#edf2e6;
  border-left:3px solid var(--green);
  padding:15px 20px;
  margin:22px 0;
  font-size:13px;
  line-height:1.9
}
.callout.warning {
  background:#f6efdd;
  border-color:#aa873b
}
.doc-bottom {
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding:24px 0;
  margin-top:42px;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--green)
}
.architecture {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin:24px 0
}
.architecture div {
  background:#ecf1e6;
  border:1px solid var(--line);
  padding:23px;
  border-radius:6px;
  line-height:2;
  font-size:13px
}
.architecture strong {
  display:block;
  font:13px var(--mono);
  margin-bottom:9px
}
.tag {
  display:inline-block;
  background:#e7eee0;
  color:var(--green);
  font:10px var(--mono);
  padding:4px 8px;
  border-radius:4px
}
.legal {
  padding:50px 0
}
.legal .doc-content {
  margin:auto
}
.legal nav {
  display:flex;
  gap:16px;
  font-size:13px
}
@media(min-width:1400px) {
  .hero {
    padding-top:90px;
    padding-bottom:86px
  }
  .visual {
    min-height:410px
  }
}
@media(max-width:1000px) {
  .wrap {
    padding:0 28px
  }
  .hero {
    gap:30px
  }
  .hero h1 {
    font-size:45px
  }
  .visual {
    padding:18px
  }
  .flow-demo {
    gap:10px
  }
  .phone-demo {
    width:114px
  }
  .demo-digits {
    font-size:22px;
    letter-spacing:3px
  }
  .demo-body {
    padding:25px 10px
  }
  .doc-layout {
    gap:32px;
    grid-template-columns:175px minmax(0,1fr)
  }
  .download-section {
    padding:30px
  }
  .nav {
    gap:20px
  }
  .split {
    gap:35px
  }
}
@media(max-width:760px) {
  .wrap {
    padding:0 22px
  }
  .header-row {
    height:auto;
    min-height:72px;
    flex-wrap:wrap;
    gap:16px;
    padding-top:19px;
    padding-bottom:15px
  }
  .brand {
    font-size:23px
  }
  .nav {
    gap:17px;
    font-size:12px;
    flex-wrap:wrap
  }
  .nav-cta {
    padding:7px 10px
  }
  .hero {
    grid-template-columns:1fr;
    padding-top:46px;
    padding-bottom:40px;
    gap:36px
  }
  .hero h1 {
    font-size:45px
  }
  .hero .lead {
    font-size:15px
  }
  .visual {
    min-height:350px;
    padding:22px
  }
  .flow-demo {
    gap:16px;
    max-width:420px;
    margin:auto
  }
  .phone-demo {
    width:130px
  }
  .demo-digits {
    font-size:26px
  }
  .protocol-strip {
    grid-template-columns:1fr 1fr;
    gap:24px;
    padding:25px 0
  }
  .protocol-strip strong {
    font-size:14px
  }
  .section {
    padding:45px 0
  }
  .section-head {
    display:block;
    margin-bottom:28px
  }
  .section-head p {
    margin-top:18px
  }
  .section-head h2,.split h2 {
    font-size:28px
  }
  .steps,.split,.docs-cards,.download-grid {
    grid-template-columns:1fr
  }
  .steps {
    gap:28px
  }
  .step-no {
    margin-bottom:12px
  }
  .step-line {
    display:none
  }
  .split {
    gap:25px
  }
  .download-section {
    padding:26px 20px;
    margin:40px 0
  }
  .download-card {
    padding:24px
  }
  .doc-card h3 {
    margin-top:16px
  }
  .footer-row {
    align-items:start;
    flex-direction:column;
    gap:20px
  }
  .footer-links {
    gap:16px;
    flex-wrap:wrap
  }
  .doc-layout {
    display:block;
    padding-top:25px
  }
  .sidebar {
    position:static;
    margin-bottom:30px
  }
  .sidebar-label,.sidebar .subnav {
    display:none
  }
  .sidebar>nav {
    display:flex;
    flex-wrap:wrap;
    gap:8px
  }
  .sidebar a {
    font-size:12px;
    border:1px solid var(--line);
    border-radius:4px;
    padding:8px 11px
  }
  .doc-content h1 {
    font-size:34px
  }
  .doc-content>.lead {
    font-size:14px
  }
  .doc-content h2 {
    font-size:23px
  }
  .architecture {
    grid-template-columns:1fr
  }
  pre {
    font-size:11px;
    padding-left:17px;
    padding-right:17px
  }
  td,th {
    padding:10px
  }
  .doc-bottom {
    font-size:12px
  }
  .visual-caption {
    font-size:9px
  }
  .lead {
    line-height:1.9
  }
}
@media(prefers-reduced-motion:reduce) {
  :root {
    scroll-behavior:auto
  }
}
@media(max-width:480px) {
  .header-row {
    gap:12px
  }
  .nav {
    width:100%;
    justify-content:space-between;
    gap:8px
  }
  .nav-cta {
    display:none
  }
  .hero h1 {
    font-size:40px
  }
  .visual {
    padding:16px;
    min-height:320px
  }
  .flow-demo {
    gap:8px;
    padding-top:40px
  }
  .phone-demo {
    width:108px;
    padding:10px 6px 13px
  }
  .demo-body {
    padding:22px 8px
  }
  .demo-body h3 {
    font-size:12px
  }
  .demo-body p {
    font-size:9px
  }
  .demo-digits {
    font-size:20px;
    letter-spacing:1px
  }
  .phone-demo .demo-digits {
    font-size:17px;
    letter-spacing:0
  }
  .browser-bar {
    font-size:8px;
    padding:10px 8px
  }
  .dots {
    margin-right:5px;
    letter-spacing:0
  }
  .demo-connection {
    font-size:15px
  }
  .demo-foot {
    font-size:8px
  }
  .visual-caption {
    font-size:8px
  }
}
/* Shared language navigation; the content itself is localized static HTML. */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.language-switch{display:inline-flex;align-items:center;margin:0}
.language-switch select{font:inherit;font-size:12px;background:transparent;color:var(--ink);border:1px solid #c6cec4;border-radius:5px;padding:9px 22px 9px 10px;max-width:140px;cursor:pointer}
.language-switch select:focus-visible{outline:3px solid #b08838;outline-offset:3px}
.docs-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
html[lang=en] .hero h1{font-size:clamp(38px,4vw,56px);letter-spacing:-1.8px}
html[lang=en] .demo-body h3{font-size:13px}
html[lang=en] .demo-approve{font-size:9px}
@media(max-width:760px){.docs-cards{grid-template-columns:1fr}.nav{gap:14px}.language-switch select{font-size:11px;padding:8px;max-width:115px}.legal{padding-top:28px}}
@media(max-width:480px){.nav{gap:7px}.nav a{font-size:11px}.language-switch select{max-width:100px;padding:7px}.visual-top{font-size:8px}.visual-caption{font-size:8px;line-height:1.6}.demo-body h3,html[lang=en] .demo-body h3{font-size:11px}.phone-demo h3{font-size:12px}.hero h1{letter-spacing:-1.5px}}

html[lang=ja] .hero h1{font-size:clamp(34px,3.7vw,54px);letter-spacing:-1.5px}