:root {
  --paper:#faf9f4;
  --ink:#243d33;
  --muted:#657268;
  --green:#27674b;
  --line:#dce2d7;
  --lime:#d9eb97;
  --soft:#f0f2e9;
  --white:#fff;
  --mono:ui-monospace,SFMono-Regular,Consolas,monospace;
  --code-size:14px;
  --inline-code-size:14px
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:105px
}
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;
  font-size:15px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased
}
a {
  color:var(--green);
  text-underline-offset:4px
}
a:hover {
  color:#164b32
}
code {
  font-family:var(--mono);
  font-size:var(--inline-code-size)
}
button,input {
  font:inherit
}
button,a,input,summary {
  -webkit-tap-highlight-color:transparent
}
button,summary {
  cursor:pointer
}
a,button,summary,input {
  touch-action:manipulation
}
:focus-visible {
  outline:3px solid #4678ad;
  outline-offset:5px
}
img {
  max-width:100%;
  height:auto
}
h1,h2,h3,h4,p {
  margin-top:0
}
h1,h2,h3,h4 {
  line-height:1.5
}
button {
  color:inherit
}
h2 {
  font-size:30px;
  font-weight:750;
  letter-spacing:.025em
}
h3 {
  font-size:19px
}
p {
  margin-bottom:1.2em
}
[hidden] {
  display:none!important
}
.wrap {
  width:min(1200px,calc(100% - 96px));
  margin-inline:auto
}
.site-header {
  border-bottom:1px solid var(--line);
  background:rgba(250,249,244,.97);
  position:sticky;
  top:0;
  z-index:20
}
.header-inner {
  max-width:1360px;
  min-height:90px;
  padding:16px 48px;
  margin:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px
}
.brand {
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--ink);
  text-decoration:none;
  font-size:18px;
  font-weight:750;
  white-space:nowrap;
  line-height:1.5
}
.brand img {
  width:49px;
  mix-blend-mode:multiply
}
.brand small {
  display:block;
  font-size:10px;
  letter-spacing:.2em;
  font-weight:500;
  margin-top:3px
}
.desktop-nav {
  display:flex;
  align-items:center;
  gap:25px;
  font-size:13px;
  font-weight:650
}
.desktop-nav a {
  color:var(--ink);
  text-decoration:none;
  white-space:nowrap
}
.desktop-nav a:hover,.desktop-nav a[aria-current] {
  text-decoration:underline;
  text-decoration-thickness:2px
}
.desktop-nav .nav-download {
  padding:10px 17px;
  border:1px solid #bbc8ba;
  border-radius:5px
}
.nav-download span {
  margin-left:12px
}
.mobile-menu {
  display:none
}
.skip-link {
  position:fixed;
  top:0;
  left:16px;
  transform:translateY(-120%);
  padding:12px;
  background:var(--green);
  color:white;
  z-index:100
}
.skip-link:focus {
  transform:translateY(0)
}
.eyebrow {
  font-size:11px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--green);
  margin-bottom:14px
}
.hero {
  display:grid;
  grid-template-columns:1.12fr 1fr;
  gap:72px;
  padding-block:76px 78px;
  align-items:center
}
.hero-copy .eyebrow {
  display:flex;
  align-items:center;
  gap:9px;
  font-size:12px;
  letter-spacing:.1em;
  margin-bottom:24px
}
.eyebrow>span {
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--green)
}
.hero h1 {
  font-size:clamp(40px,4.6vw,64px);
  line-height:1.45;
  letter-spacing:.035em;
  margin:0 0 27px;
  font-weight:800
}
.discovery {
  position:relative;
  z-index:0
}
.discovery:after {
  content:"";
  position:absolute;
  height:13px;
  left:0;
  right:0;
  bottom:5px;
  background:var(--lime);
  z-index:-1
}
.hero-lead {
  font-size:18px;
  line-height:1.9;
  font-weight:600;
  margin-bottom:16px
}
.hero-description {
  font-size:13px;
  color:var(--muted);
  line-height:1.95
}
.hero-actions {
  display:flex;
  align-items:center;
  gap:24px;
  margin-top:28px
}
.button {
  display:inline-flex;
  align-items:center;
  gap:24px;
  padding:13px 23px;
  border-radius:5px;
  text-decoration:none;
  font-size:14px;
  font-weight:650
}
.button.primary {
  background:var(--green);
  color:white;
  box-shadow:0 3px 0 #174b34
}
.button:hover {
  background:#174b34
}
.text-link {
  font-size:13px;
  font-weight:650;
  text-decoration:none
}
.text-link:hover {
  text-decoration:underline
}
.hero-footnote {
  font-family:var(--mono);
  font-size:10px;
  color:var(--muted);
  margin:24px 0 0;
  letter-spacing:.025em
}
.hero-visual {
  position:relative;
  border:1px solid #bdcbb7;
  background:#e9eddf;
  border-radius:10px;
  padding:20px 22px 62px;
  transform:rotate(1.2deg);
  margin-bottom:25px;
  box-shadow:9px 10px 0 #e8e9df
}
.field-topline {
  display:flex;
  justify-content:space-between;
  font-family:var(--mono);
  font-size:9px;
  letter-spacing:.1em;
  gap:12px;
  padding-bottom:16px
}
.field-topline>span:first-child {
  display:flex;
  align-items:center;
  gap:7px
}
.field-topline i {
  width:6px;
  height:6px;
  background:var(--green);
  border-radius:50%
}
.field-grid {
  position:relative;
  aspect-ratio:1.15;
  display:flex;
  align-items:center;
  justify-content:center;
  background-color:#f5f6ec;
  background-image:linear-gradient(#cfd8c355 1px,transparent 1px),linear-gradient(90deg,#cfd8c355 1px,transparent 1px);
  background-size:22px 22px;
  border:1px solid #cdd7c0;
  border-radius:3px;
  overflow:hidden
}
.hero-pattern {
  width:76%;
  height:81%;
  object-fit:contain;
  image-rendering:auto;
  box-shadow:0 8px 30px #233c3312
}
.field-axis {
  position:absolute;
  background:#acbfa3
}
.axis-x {
  height:1px;
  left:0;
  right:0;
  top:50%
}
.axis-y {
  width:1px;
  top:0;
  bottom:0;
  left:50%
}
.field-origin,.field-coord {
  position:absolute;
  font-family:var(--mono);
  font-size:9px;
  color:#70816b;
  bottom:5px;
  left:8px
}
.field-coord {
  left:auto;
  right:8px
}
.field-caption {
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:10px;
  padding-top:11px
}
.field-caption a {
  font-size:20px;
  text-decoration:none
}
.code-note {
  position:absolute;
  bottom:-34px;
  left:-28px;
  padding:17px 25px;
  background:#fffdf6;
  border:1px solid #d7d9c7;
  border-radius:6px;
  transform:rotate(-4deg);
  box-shadow:0 5px 16px #263f3310;
  min-width:275px
}
.code-note-label {
  font-size:10px;
  color:var(--muted);
  display:block;
  margin-bottom:8px
}
.code-note code {
  font-family:var(--mono);
  font-size:var(--code-size);
  line-height:1.9
}
.code-note code b {
  color:var(--green)
}
.code-note code span {
  color:#839177;
  font-size:14px
}
.visual-label {
  position:absolute;
  font-family:var(--mono);
  font-size:8px;
  letter-spacing:.13em;
  bottom:16px;
  right:18px;
  color:#78816d
}
.intro-band {
  border-block:1px solid var(--line);
  background:var(--soft)
}
.intro-band-inner {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding-block:24px
}
.intro-band p {
  margin:0;
  display:flex;
  gap:23px;
  align-items:center;
  font-size:12px
}
.intro-band strong {
  font-size:14px;
  white-space:nowrap
}
.intro-band p span {
  color:var(--muted)
}
.intro-band a {
  font-size:12px;
  white-space:nowrap;
  text-decoration:none
}
.section {
  padding-block:72px
}
.section-heading {
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  margin-bottom:32px
}
.section-heading h2 {
  margin:0
}
.section-heading>p {
  font-size:12px;
  color:var(--muted);
  margin:0 0 4px;
  line-height:1.9
}
.start-steps {
  list-style:none;
  padding:0;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  margin:0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line)
}
.start-steps li {
  display:flex;
  gap:19px;
  padding:28px 28px 27px 0;
  position:relative
}
.start-steps li+li {
  padding-left:28px;
  border-left:1px solid var(--line)
}
.step-number {
  font-family:var(--mono);
  font-size:13px;
  color:var(--green);
  padding-top:5px
}
.start-steps h3 {
  margin-bottom:8px;
  font-size:17px
}
.start-steps h3 a {
  color:var(--ink);
  text-decoration:none
}
.start-steps h3 a:hover {
  text-decoration:underline
}
.start-steps h3 span {
  font-size:14px;
  margin-left:10px;
  color:var(--green)
}
.start-steps p {
  font-size:12px;
  color:var(--muted);
  margin:0
}
.device-note {
  font-size:12px;
  color:var(--muted);
  margin:20px 0 0
}
.device-note>span {
  margin-right:7px
}
.learning-section {
  background:#f0f2e9;
  border-block:1px solid var(--line)
}
.catalog-tools {
  display:flex;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
  align-items:center
}
.filters {
  display:flex;
  gap:6px;
  flex-wrap:wrap
}
.filters button {
  border:1px solid transparent;
  background:none;
  padding:9px 16px;
  border-radius:5px;
  font-size:12px;
  min-height:44px
}
.filters button:hover {
  border-color:#b9cbb0
}
.filters button.is-active {
  background:var(--ink);
  color:white
}
.search-field {
  display:flex;
  align-items:center;
  gap:8px;
  border-bottom:1px solid #b9c8b2;
  padding:7px 4px;
  min-width:185px
}
.search-field>span {
  font-size:25px;
  line-height:1
}
.search-field input {
  border:0;
  background:transparent;
  width:150px;
  min-height:30px;
  outline-offset:2px;
  font-size:12px;
  color:var(--ink)
}
.search-field input::placeholder {
  color:var(--muted)
}
.lesson-grid {
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px
}
.lesson-card {
  display:block;
  text-decoration:none;
  color:var(--ink);
  background:var(--paper);
  border:1px solid #d7ddce;
  border-radius:7px;
  overflow:hidden;
  transition:transform .18s,box-shadow .18s
}
.lesson-card:hover {
  transform:translateY(-4px);
  box-shadow:0 7px 20px #243d3310
}
.card-art {
  height:178px;
  background:#e3e7d8;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
  border-bottom:1px solid #d7ddce
}
.card-art img {
  max-height:100%;
  max-width:100%;
  object-fit:contain
}
.card-content {
  padding:20px 20px 19px
}
.level {
  font-size:10px;
  color:var(--green);
  display:inline-block;
  background:#e8edde;
  padding:1px 7px;
  border-radius:3px;
  margin-bottom:9px
}
.card-content h3 {
  font-size:16px;
  margin-bottom:10px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px
}
.card-content h3>span {
  font-size:14px;
  font-weight:400
}
.card-content p {
  font-size:12px;
  color:var(--muted);
  line-height:1.9;
  min-height:68px;
  margin-bottom:18px
}
.card-tags {
  display:block;
  font-size:10px;
  color:var(--muted);
  border-top:1px solid var(--line);
  padding-top:12px;
  letter-spacing:.035em
}
.more-lessons {
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  align-items:center;
  border-top:1px solid #d1d9c7;
  margin-top:32px;
  padding-top:22px;
  font-size:12px
}
.more-lessons>span {
  font-size:11px;
  color:var(--muted);
  margin-right:auto
}
.more-lessons a {
  text-decoration:none
}
.search-result {
  font-size:12px;
  color:var(--muted)
}
.empty-state {
  text-align:center;
  padding:40px 20px;
  background:var(--paper);
  border:1px dashed #b3c0aa
}
.language-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  border-left:1px solid var(--line)
}
.language-item {
  padding:26px 28px;
  border-bottom:1px solid var(--line);
  border-right:1px solid var(--line)
}
.language-item h3 {
  font-family:var(--mono);
  font-size:21px;
  margin-bottom:16px
}
.language-item>a {
  display:flex;
  width:fit-content;
  gap:18px;
  margin:7px 0;
  font-size:12px;
  text-decoration:none
}
.language-item>a:hover {
  text-decoration:underline
}
.language-item .pdf-link {
  font-size:10px;
  color:var(--muted)
}
.pdf-link span {
  font-family:var(--mono);
  font-size:9px
}
.resource-section {
  display:grid;
  grid-template-columns:1fr 1.45fr;
  gap:72px;
  background:#e8edde;
  padding:48px;
  border:1px solid #d8e0ce;
  border-radius:7px
}
.resource-intro h2 {
  font-size:27px;
  margin-bottom:18px
}
.resource-intro>p:last-child {
  font-size:12px;
  color:var(--muted);
  margin:0
}
.resource-links>a {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:17px 0;
  color:var(--ink);
  text-decoration:none;
  border-bottom:1px solid #cbd5c1;
  font-size:14px
}
.resource-links>a:first-child {
  padding-top:0
}
.resource-links>a:hover {
  color:var(--green)
}
.resource-links small {
  display:block;
  font-size:10px;
  font-weight:400;
  color:var(--muted);
  margin-top:3px
}
.about-section {
  display:grid;
  grid-template-columns:1fr auto;
  column-gap:80px;
  padding-block:88px 64px;
  align-items:center
}
.about-section h2 {
  font-size:27px;
  margin-bottom:20px
}
.about-section p {
  font-size:12px;
  color:var(--muted)
}
.about-section>.author,.author {
  margin:24px 0 0;
  color:var(--ink)
}
.author span {
  font-size:10px;
  padding-left:16px;
  color:var(--muted)
}
.about-section>img {
  width:194px;
  mix-blend-mode:multiply;
  margin-right:52px
}
.project-details {
  grid-column:1/-1;
  border-top:1px solid var(--line);
  margin-top:38px;
  padding-top:16px;
  color:var(--muted);
  font-size:12px
}
.project-details>summary {
  width:fit-content;
  padding:8px 0
}
.project-details[open]>summary {
  margin-bottom:20px
}
.project-details h4 {
  color:var(--ink);
  margin-top:20px
}
.site-footer {
  background:#243d33;
  color:#e4e9dd;
  margin-top:12px
}
.footer-inner {
  max-width:1200px;
  width:calc(100% - 96px);
  margin:auto;
  padding:44px 0 22px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px
}
.footer-brand {
  font-weight:650;
  font-size:17px;
  text-decoration:none;
  color:var(--paper)
}
.footer-brand:hover {
  color:white
}
.footer-brand span {
  display:block;
  font-family:var(--mono);
  font-size:9px;
  letter-spacing:.17em;
  font-weight:400;
  margin-top:5px
}
.footer-inner p {
  font-size:11px;
  color:#b7c4b8;
  margin:15px 0 0
}
.footer-inner nav {
  display:flex;
  gap:24px;
  font-size:11px;
  flex-wrap:wrap;
  align-content:flex-start;
  padding-top:6px
}
.footer-inner nav a {
  color:#d8e2d2;
  text-decoration:none
}
.footer-inner nav a:hover {
  text-decoration:underline
}
.footer-bottom {
  grid-column:1/-1;
  border-top:1px solid #ffffff25;
  padding-top:18px;
  display:flex;
  justify-content:space-between;
  font-size:9px;
  letter-spacing:.03em;
  color:#c1cdbd
}
.article-meta {
  display:flex;
  flex-wrap:wrap;
  gap:8px 14px;
  font-size:11px;
  color:var(--muted);
  margin-bottom:30px;
  line-height:1.8
}
.article-meta a {
  text-decoration:none
}
.lesson-main {
  max-width:1200px;
  width:calc(100% - 96px);
  margin:32px auto 76px
}
.lesson-main h1 {
  font-size:32px;
  line-height:1.6;
  margin-bottom:12px;
  letter-spacing:.015em;
  overflow-wrap:anywhere
}
.updated {
  font-size:11px;
  color:var(--muted);
  margin-bottom:36px
}
.article-layout {
  display:grid;
  grid-template-columns:minmax(0,1fr) 230px;
  gap:56px
}
.lesson-content {
  min-width:0;
  overflow-wrap:anywhere
}
.lesson-content p,.lesson-content li {
  font-size:15px;
  line-height:2
}
.lesson-content small {
  font-size:inherit
}
.lesson-content h2,.lesson-content h3 {
  font-size:24px;
  border-bottom:1px solid var(--line);
  padding-bottom:12px;
  margin:48px 0 24px;
  clear:both
}
.lesson-content h4 {
  font-size:19px;
  margin:32px 0 18px
}
.lesson-content ul,.lesson-content ol {
  padding-left:1.6em
}
.lesson-content .note {
  margin:22px 0;
  padding:16px 22px;
  background:var(--soft);
  border-left:3px solid #9bb78c;
  border-radius:0 4px 4px 0;
  float:none;
  max-width:100%
}
.note p:last-child {
  margin-bottom:0
}
.lesson-content .note p {
  font-size:13px;
  line-height:1.9
}
.lesson-content .note img {
  margin-top:8px
}
.lesson-content .fig {
  display:block;
  text-align:center;
  margin:28px 0;
  max-width:100%
}
.fig img {
  margin:6px;
  vertical-align:middle;
  max-width:calc(100% - 12px)
}
.lesson-content iframe {
  max-width:100%;
  aspect-ratio:4/3;
  height:auto
}
.attn {
  color:#a4412b;
  font-weight:bold
}
pre {
  font-family:var(--mono);
  font-size:var(--code-size);
  line-height:1.8;
  tab-size:4;
  overflow:auto;
  max-width:100%;
  white-space:pre;
  word-break:normal;
  overflow-wrap:normal;
  padding:22px;
  margin:20px 0;
  background:#f1f3eb;
  border:1px solid #dbe2d2;
  border-radius:5px;
  color:#263e32
}
.proglist,.code,.cmdline {
  min-width:0;
  position:relative;
  max-width:100%;
  margin:22px 0
}
.proglist pre,.code pre,.cmdline pre {
  padding-top:42px;
  margin:0
}
.cmdline pre {
  background:#263b32;
  color:#eef1e7;
  border-color:#263b32
}
.lesson-content code {
  font-family:var(--mono);
  font-size:var(--inline-code-size);
  background:#e9eee1;
  padding:2px 4px;
  border-radius:3px
}
.copy-code {
  position:absolute;
  top:7px;
  right:8px;
  z-index:1;
  font-size:10px;
  padding:3px 9px;
  min-height:30px;
  border:1px solid #c8d1bf;
  border-radius:4px;
  color:var(--green);
  background:var(--paper)
}
.copy-code:hover {
  background:#e4ebda
}
.table-scroll {
  overflow:auto;
  max-width:100%;
  margin:24px 0;
  border:1px solid var(--line);
  border-radius:5px
}
.table-scroll table {
  margin:0;
  border:0;
  border-collapse:collapse;
  width:100%;
  min-width:570px;
  background:#fffdf7;
  font-size:15px
}
.table-scroll th,.table-scroll td {
  padding:12px 16px;
  text-align:left;
  vertical-align:top;
  border:1px solid var(--line);
  font-size:15px
}
.table-scroll th {
  background:#e8edde;
  font-weight:650
}
.table-scroll tr:nth-child(even) {
  background:#f4f5ee
}
.table-scroll pre {
  padding:10px;
  max-width:500px;
  margin:0;
  font-size:var(--code-size);
  white-space:pre;
  min-width:120px
}
.table-scroll p {
  font-size:15px
}
.article-toc {
  align-self:start;
  position:sticky;
  top:116px;
  max-height:calc(100vh - 140px);
  overflow:auto;
  font-size:12px;
  border-left:1px solid var(--line);
  padding-left:23px
}
.article-toc summary {
  font-weight:650;
  font-size:12px;
  padding-bottom:12px
}
.article-toc nav {
  display:flex;
  flex-direction:column;
  gap:8px
}
.article-toc a {
  font-size:11px;
  color:var(--muted);
  text-decoration:none;
  line-height:1.7;
  padding:4px 0
}
.article-toc a:hover {
  color:var(--green);
  text-decoration:underline
}
.article-toc .toc-help {
  padding-top:16px;
  border-top:1px solid var(--line);
  margin-top:18px
}
.table-hint {
  font-size:11px!important;
  color:var(--muted);
  margin-bottom:-12px
}
.download-main {
  padding-block:32px 60px
}
.download-main h1 {
  font-size:38px;
  margin-bottom:20px
}
.page-lead {
  font-size:16px;
  color:var(--muted)
}
.download-notice {
  background:#eaf0dd;
  border-left:3px solid #9bb78c;
  padding:19px 23px;
  font-size:13px;
  margin-top:32px
}
.download-section {
  padding-block:44px;
  border-bottom:1px solid var(--line)
}
.download-section h2 {
  font-size:26px
}
.download-grid {
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px
}
.download-card {
  border:1px solid #d2ddc6;
  border-radius:6px;
  padding:24px 20px;
  background:white;
  text-decoration:none;
  display:flex;
  flex-direction:column
}
.download-card:hover {
  background:#f0f5e5;
  border-color:var(--green)
}
.download-card h3 {
  display:flex;
  justify-content:space-between;
  font-size:22px;
  margin-bottom:8px
}
.download-card p {
  font-size:11px;
  color:var(--muted);
  min-height:36px
}
.download-file {
  font-family:var(--mono);
  font-size:10px;
  overflow-wrap:anywhere
}
.download-card small {
  font-size:10px;
  color:var(--muted);
  margin-top:12px
}
.older-downloads {
  margin-top:24px;
  font-size:12px
}
.older-downloads summary {
  padding:8px 0
}
.api-downloads>ul {
  list-style:none;
  padding:0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 28px
}
.api-downloads li {
  padding:16px 0;
  border-bottom:1px solid var(--line);
  font-size:13px;
  overflow-wrap:anywhere
}
.api-downloads h4 {
  margin-top:32px
}
.download-resources {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px
}
.download-resources>div {
  border:1px solid var(--line);
  padding:24px;
  border-radius:5px
}
.download-resources h3 {
  font-size:16px
}
@media(min-width:1500px) {
  .hero {
    padding-block:95px 100px
  }
  .hero h1 {
    font-size:66px
  }
}
@media(max-width:1150px) {
  .header-inner {
    padding-inline:32px
  }
  .desktop-nav {
    gap:16px;
    font-size:11px
  }
  .brand {
    font-size:16px;
    gap:8px
  }
  .brand img {
    width:40px
  }
  .wrap {
    width:calc(100% - 64px)
  }
  .hero {
    gap:44px
  }
  .hero-actions {
    gap:16px
  }
  .hero-actions .text-link {
    font-size:11px
  }
  .hero-description {
    font-size:12px
  }
  .lesson-grid {
    gap:18px;
    grid-template-columns:repeat(3,minmax(0,1fr))
  }
  .card-content p {
    min-height:46px
  }
  .intro-band p {
    display:block
  }
  .intro-band p span {
    display:block;
    margin-top:3px
  }
  .start-steps li {
    gap:12px;
    padding-right:18px
  }
  .start-steps li+li {
    padding-left:18px
  }
  .start-steps h3 {
    font-size:15px
  }
  .start-steps p {
    font-size:11px
  }
  .article-layout {
    gap:30px;
    grid-template-columns:minmax(0,1fr) 200px
  }
  .lesson-main {
    width:calc(100% - 64px)
  }
  .footer-inner {
    width:calc(100% - 64px)
  }
  .download-grid {
    grid-template-columns:repeat(2,minmax(0,1fr))
  }
  .resource-section {
    padding:36px;
    gap:40px
  }
}
@media(max-width:900px) {
  .desktop-nav {
    display:none
  }
  .mobile-menu {
    display:block
  }
  .mobile-menu summary {
    list-style:none;
    border:1px solid #bbc8ba;
    border-radius:4px;
    padding:8px 13px;
    font-size:12px;
    min-height:42px
  }
  .mobile-menu summary::-webkit-details-marker {
    display:none
  }
  .mobile-menu summary span {
    margin-left:10px
  }
  .mobile-menu[open] summary {
    background:var(--soft)
  }
  .mobile-menu nav {
    position:absolute;
    top:100%;
    left:0;
    right:0;
    padding:16px 32px 24px;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    box-shadow:0 12px 20px #243d3310;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:6px 20px
  }
  .mobile-menu nav a {
    padding:10px 0;
    font-size:13px;
    text-decoration:none
  }
  .header-inner {
    min-height:77px
  }
  .hero {
    gap:35px;
    padding-block:56px
  }
  .hero h1 {
    font-size:43px
  }
  .hero-lead {
    font-size:15px
  }
  .hero-copy .eyebrow {
    font-size:10px
  }
  .hero-visual {
    padding:15px 15px 57px
  }
  .field-topline {
    font-size:7px
  }
  .field-caption {
    font-size:8px
  }
  .code-note {
    padding:13px 16px;
    min-width:235px;
    left:-15px
  }
  .code-note code {
    font-size:var(--code-size)
  }
  .hero-actions {
    align-items:flex-start;
    flex-direction:column;
    gap:15px
  }
  .hero-footnote {
    font-size:9px
  }
  .desktop-break {
    display:none
  }
  .section-heading h2 {
    font-size:25px
  }
  .section-heading>p {
    font-size:11px;
    max-width:225px
  }
  .start-steps h3 {
    font-size:14px
  }
  .start-steps li {
    display:block
  }
  .step-number {
    display:block;
    margin-bottom:10px
  }
  .lesson-grid {
    grid-template-columns:repeat(2,minmax(0,1fr))
  }
  .language-grid {
    grid-template-columns:repeat(2,minmax(0,1fr))
  }
  .catalog-tools {
    align-items:flex-start;
    flex-direction:column;
    gap:13px
  }
  .search-field {
    width:100%;
    max-width:280px
  }
  .search-field input {
    width:100%
  }
  .section {
    padding-block:54px
  }
  .article-layout {
    display:flex;
    flex-direction:column;
    gap:28px
  }
  .article-toc {
    order:-1;
    position:static;
    width:100%;
    max-height:none;
    background:var(--soft);
    border:1px solid var(--line);
    border-radius:5px;
    padding:15px 20px
  }
  .article-toc summary {
    padding-bottom:0
  }
  .article-toc[open] summary {
    padding-bottom:14px
  }
  .article-toc nav {
    max-height:280px;
    overflow:auto
  }
  .article-toc a {
    font-size:12px
  }
  .lesson-content {
    width:100%
  }
  .lesson-main h1 {
    font-size:29px
  }
  .article-meta {
    margin-bottom:24px
  }
  .resource-section {
    grid-template-columns:1fr 1.35fr;
    gap:24px
  }
  .resource-intro h2 {
    font-size:23px
  }
  .resource-links>a {
    font-size:12px
  }
  .about-section {
    gap:30px
  }
  .about-section>img {
    width:150px;
    margin-right:0
  }
  .footer-inner nav {
    max-width:265px;
    gap:12px 22px
  }
  .download-main h1 {
    font-size:32px
  }
}
@media(max-width:600px) {
  body {
    font-size:14px
  }
  .wrap,.lesson-main {
    width:calc(100% - 40px)
  }
  .header-inner {
    padding:14px 20px;
    gap:12px;
    min-height:73px
  }
  .brand {
    font-size:14px;
    gap:7px
  }
  .brand img {
    width:34px
  }
  .brand small {
    font-size:8px;
    letter-spacing:.16em
  }
  .mobile-menu summary {
    padding:7px 10px;
    font-size:11px
  }
  .mobile-menu summary span {
    margin-left:5px
  }
  .mobile-menu nav {
    padding-inline:20px
  }
  .hero {
    grid-template-columns:1fr;
    gap:40px;
    padding-block:38px 46px
  }
  .hero h1 {
    font-size:clamp(37px,10.5vw,53px);
    line-height:1.45;
    margin-bottom:21px
  }
  .hero-copy .eyebrow {
    margin-bottom:18px;
    font-size:10px
  }
  .hero-lead {
    font-size:15px
  }
  .hero-description {
    font-size:12px
  }
  .hero-actions {
    flex-direction:row;
    align-items:center;
    gap:19px;
    margin-top:23px
  }
  .hero-actions .text-link {
    font-size:10px
  }
  .button {
    padding:12px 17px;
    gap:18px;
    font-size:12px;
    min-height:46px
  }
  .hero-footnote {
    margin-top:20px;
    font-size:9px
  }
  .hero-visual {
    width:calc(100% - 18px);
    margin:0 0 27px 12px;
    padding:16px 18px 52px;
    transform:rotate(1deg)
  }
  .field-grid {
    aspect-ratio:1.3
  }
  .hero-pattern {
    width:68%;
    height:82%
  }
  .field-topline {
    font-size:8px;
    padding-bottom:13px
  }
  .field-caption {
    font-size:9px
  }
  .code-note {
    left:-13px;
    bottom:-30px;
    min-width:235px
  }
  .code-note-label {
    font-size:9px
  }
  .visual-label {
    font-size:6px;
    right:12px;
    bottom:10px
  }
  .intro-band-inner {
    display:block;
    padding-block:21px
  }
  .intro-band strong {
    font-size:13px
  }
  .intro-band p span {
    font-size:11px;
    line-height:1.8;
    margin-top:6px
  }
  .intro-band a {
    display:inline-block;
    margin-top:12px;
    font-size:11px
  }
  .section {
    padding-block:42px
  }
  .eyebrow {
    font-size:9px;
    margin-bottom:10px
  }
  .section-heading {
    display:block;
    margin-bottom:25px
  }
  .section-heading h2 {
    font-size:23px;
    letter-spacing:0
  }
  .section-heading>p {
    max-width:none;
    margin:13px 0 0;
    font-size:11px
  }
  .section-heading>.text-link {
    display:inline-block;
    margin-top:14px;
    font-size:11px
  }
  .start-steps {
    grid-template-columns:1fr
  }
  .start-steps li,.start-steps li+li {
    display:flex;
    padding:22px 0;
    border-left:0;
    gap:22px
  }
  .start-steps li+li {
    border-top:1px solid var(--line)
  }
  .step-number {
    padding-top:2px;
    margin:0
  }
  .start-steps h3 {
    font-size:16px
  }
  .start-steps p {
    font-size:12px
  }
  .start-steps p br {
    display:none
  }
  .device-note {
    font-size:11px;
    line-height:1.9
  }
  .filters {
    gap:3px
  }
  .filters button {
    padding:8px 10px;
    font-size:11px
  }
  .catalog-tools {
    margin-bottom:22px
  }
  .search-field {
    max-width:none
  }
  .lesson-grid {
    gap:13px
  }
  .card-art {
    height:131px;
    padding:15px
  }
  .card-content {
    padding:14px 12px
  }
  .card-content h3 {
    font-size:13px;
    gap:5px;
    line-height:1.6;
    min-height:41px;
    align-items:flex-start;
    margin-bottom:9px
  }
  .card-content h3>span {
    font-size:12px
  }
  .card-content p {
    font-size:11px;
    min-height:85px;
    margin-bottom:12px
  }
  .level {
    font-size:9px;
    padding-inline:5px;
    margin-bottom:7px
  }
  .card-tags {
    font-size:9px;
    padding-top:10px;
    letter-spacing:0
  }
  .more-lessons {
    gap:12px 18px;
    font-size:11px;
    margin-top:26px;
    padding-top:18px
  }
  .more-lessons>span {
    width:100%
  }
  .language-item {
    padding:20px 14px
  }
  .language-item h3 {
    font-size:18px
  }
  .language-item>a {
    font-size:11px;
    gap:9px
  }
  .language-item .pdf-link {
    display:block;
    font-size:9px
  }
  .pdf-link span {
    font-size:8px
  }
  .resource-section {
    grid-template-columns:1fr;
    padding:26px 24px;
    gap:25px
  }
  .resource-intro h2 {
    font-size:23px
  }
  .resource-intro h2 br {
    display:none
  }
  .resource-intro p:last-child br {
    display:none
  }
  .resource-links>a {
    font-size:13px;
    padding-block:16px
  }
  .about-section {
    grid-template-columns:1fr 80px;
    gap:15px;
    padding-block:49px 37px
  }
  .about-section h2 {
    font-size:20px
  }
  .about-section p {
    font-size:11px
  }
  .about-section p br {
    display:none
  }
  .about-section>img {
    width:80px;
    align-self:center
  }
  .author span {
    display:block;
    padding:5px 0 0;
    font-size:9px
  }
  .project-details {
    margin-top:18px;
    font-size:11px
  }
  .footer-inner {
    width:calc(100% - 40px);
    grid-template-columns:1fr;
    padding-top:32px;
    gap:25px
  }
  .footer-brand {
    font-size:15px
  }
  .footer-inner p {
    font-size:10px
  }
  .footer-inner nav {
    max-width:none;
    font-size:10px;
    gap:12px 20px
  }
  .footer-bottom {
    font-size:8px;
    gap:15px
  }
  .footer-bottom>span:last-child {
    display:none
  }
  .lesson-main {
    margin-block:24px 44px
  }
  .article-meta {
    font-size:10px;
    gap:6px 10px
  }
  .lesson-main h1 {
    font-size:25px;
    line-height:1.6
  }
  .updated {
    font-size:10px;
    margin-bottom:24px
  }
  .lesson-content p,.lesson-content li {
    font-size:14px;
    line-height:1.95
  }
  .lesson-content h2,.lesson-content h3 {
    font-size:21px;
    margin:36px 0 20px
  }
  .lesson-content h4 {
    font-size:17px
  }
  .lesson-content .note {
    padding:14px 16px;
    margin:20px 0
  }
  .lesson-content .note p {
    font-size:12px
  }
  .lesson-content .fig img {
    max-width:calc(100% - 12px)
  }
  pre {
    font-size:var(--code-size);
    padding:16px
  }
  .table-scroll th,.table-scroll td {
    padding:10px 12px
  }
  .download-main {
    padding-block:24px 36px
  }
  .download-main h1 {
    font-size:28px
  }
  .page-lead {
    font-size:13px
  }
  .download-notice {
    padding:15px 17px;
    font-size:12px;
    margin-top:24px
  }
  .download-grid {
    grid-template-columns:1fr
  }
  .download-card {
    padding:20px
  }
  .download-card h3 {
    font-size:21px
  }
  .download-card p {
    min-height:0;
    margin-bottom:12px
  }
  .download-file {
    font-size:11px
  }
  .download-section {
    padding-block:32px
  }
  .download-section h2 {
    font-size:22px
  }
  .api-downloads>ul {
    grid-template-columns:1fr
  }
  .download-resources {
    grid-template-columns:1fr;
    gap:15px
  }
  .download-resources>div {
    padding:20px
  }
  .download-resources h3 {
    font-size:15px
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto
  }
  * {
    transition:none!important
  }
  .lesson-card:hover {
    transform:none
  }
}
@media print {
  .site-header,.site-footer,.article-toc,.copy-code,.catalog-tools,.skip-link {
    display:none!important
  }
  body {
    background:white;
    color:black
  }
  .lesson-main,.wrap {
    width:100%;
    margin:0
  }
  .article-layout {
    display:block
  }
  pre {
    white-space:pre-wrap;
    overflow-wrap:anywhere;
    break-inside:avoid
  }
  .table-scroll {
    overflow:visible
  }
  .table-scroll table {
    min-width:0;
    font-size:10px
  }
  .table-scroll pre {
    white-space:pre-wrap
  }
  a {
    color:inherit
  }
  .lesson-grid {
    grid-template-columns:repeat(2,1fr)
  }
  .hero-visual {
    box-shadow:none;
    transform:none
  }
  .home .hero {
    grid-template-columns:1fr 1fr
  }
  .home section {
    break-inside:avoid
  }
}
.copy-status {
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  overflow:hidden;
  clip-path:inset(50%);
  white-space:nowrap
}
@media(max-width:600px) {
  .hero h1 {
    font-size:clamp(28px,9vw,48px)
  }
  .brand {
    min-width:0;
    white-space:normal
  }
  .brand>span {
    white-space:nowrap
  }
  .mobile-menu {
    flex-shrink:0
  }
  .button {
    flex-shrink:0
  }
  .hero-actions .text-link {
    line-height:1.7
  }
}
.lesson-content>table {
  display:block;
  overflow-x:auto;
  max-width:100%
}
.lesson-content>table pre {
  max-width:70vw
}