:root {
  color-scheme: light;
  --ink: #152c33;
  --muted: #52646c;
  --line: #dce5e7;
  --paper: #fff;
  --wash: #f5f8f8;
  --teal: #0f766e;
  --violet: #6941c6;
  --header: 76px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  font:
    16px/1.7 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: var(--paper);
  color: var(--ink);
}
a {
  color: var(--teal);
  text-underline-offset: 3px;
}
button,
input {
  font: inherit;
}
button {
  cursor: pointer;
}
button,
a,
input,
summary {
  touch-action: manipulation;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid #926ee0;
  outline-offset: 4px;
}
[hidden] {
  display: none !important;
}
.skip {
  position: fixed;
  top: -100px;
  left: 20px;
  z-index: 200;
  background: white;
  padding: 12px;
}
.skip:focus {
  top: 8px;
}
.topbar {
  height: var(--header);
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fffffff5;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 28px;
  backdrop-filter: blur(12px);
}
.brand {
  display: flex;
  gap: 11px;
  align-items: center;
  color: var(--teal);
  text-decoration: none;
  flex-shrink: 0;
  line-height: 1.25;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, #0d9488, #0f766e);
  display: grid;
  place-items: center;
  color: white;
}
.brand-mark svg {
  width: 22px;
  height: 22px;
}
.brand-name {
  font-weight: 750;
  font-size: 17px;
}
.brand small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.04em;
  margin-top: 3px;
}
.search {
  position: relative;
  width: min(440px, 100%);
  margin-left: auto;
}
.search input {
  width: 100%;
  height: 42px;
  padding: 8px 14px 8px 38px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--wash);
  font-size: 14px;
  color: var(--ink);
}
.search-icon {
  position: absolute;
  left: 13px;
  top: 9px;
  color: var(--muted);
  pointer-events: none;
}
.search-results {
  position: absolute;
  right: 0;
  top: 48px;
  width: min(520px, 85vw);
  max-height: 65vh;
  overflow: auto;
  background: white;
  border: 1px solid var(--line);
  box-shadow: 0 16px 50px #12343b20;
  border-radius: 12px;
  padding: 8px;
}
.search-results a {
  display: block;
  padding: 10px 12px;
  text-decoration: none;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.4;
}
.search-results a:hover {
  background: var(--wash);
}
.search-results small {
  display: block;
  color: var(--muted);
  margin-top: 4px;
}
.search-results p {
  margin: 8px 12px;
  font-size: 14px;
  color: var(--muted);
}
.app-link,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 650;
  font-size: 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 8px 14px;
  background: white;
  color: var(--ink);
  white-space: nowrap;
}
.button.primary {
  background: var(--teal);
  color: white;
  border-color: var(--teal);
}
.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  padding: 6px 11px;
  font-size: 20px;
}
.layout {
  display: grid;
  grid-template-columns: 258px minmax(0, 1fr);
  max-width: 1600px;
  margin: 0 auto;
}
.sidebar {
  position: sticky;
  top: var(--header);
  height: calc(100vh - var(--header));
  overflow-y: auto;
  border-right: 1px solid var(--line);
  padding: 26px 14px 32px;
  background: var(--wash);
  font-size: 13px;
}
.sidebar-heading {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin: 25px 12px 8px;
  font-weight: 700;
}
.sidebar a {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 9px 12px;
  margin: 2px 0;
  color: #354f58;
  text-decoration: none;
  line-height: 1.45;
  border-radius: 8px;
  border-left: 3px solid transparent;
}
.sidebar a:hover {
  background: #e8f0ef;
}
.sidebar a[aria-current="page"] {
  background: #e0efec;
  color: #075b54;
  border-left-color: var(--teal);
  font-weight: 650;
}
.nav-number {
  font-size: 11px;
  opacity: 0.8;
  min-width: 18px;
  padding-top: 2px;
}
.sidebar .nav-home {
  font-weight: 700;
}
.drawer-close {
  display: none;
}
.main {
  min-width: 0;
  padding: 38px clamp(22px, 5vw, 80px) 60px;
  outline: none;
}
.article {
  max-width: 900px;
  margin: auto;
}
.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 26px;
}
.breadcrumb a {
  text-decoration: none;
}
.eyebrow {
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 10px;
}
h1 {
  font-size: clamp(28px, 3.4vw, 43px);
  line-height: 1.17;
  letter-spacing: -0.035em;
  font-weight: 750;
  margin: 0 0 20px;
  max-width: 830px;
}
h2 {
  font-size: 24px;
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin: 46px 0 16px;
}
h3 {
  font-size: 17px;
  line-height: 1.4;
  margin: 0 0 9px;
}
p {
  margin: 0 0 17px;
}
.lead {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 790px;
}
.hero {
  padding: 14px 0 25px;
}
.meta {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted);
  margin: 19px 0;
}
.pill {
  display: inline-block;
  background: #eaf4f1;
  color: #0a6057;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
}
.callout {
  border: 1px solid #c9e4df;
  border-left: 4px solid var(--teal);
  border-radius: 10px;
  background: #f2f9f7;
  padding: 18px 20px;
  margin: 24px 0;
}
.callout p:last-child {
  margin-bottom: 0;
}
.callout.note {
  border-color: #dfd5ef;
  border-left-color: var(--violet);
  background: #f8f5fd;
}
.intro-card {
  padding: 24px 26px;
  border: 1px solid #c9e4df;
  border-radius: 16px;
  background: linear-gradient(120deg, #f0f8f5, #fafcfc);
  margin: 24px 0;
}
.intro-card h2 {
  margin: 0 0 10px;
}
.path {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0;
  padding: 0;
}
.path li {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  font-size: 13px;
  background: #fff;
}
.path b {
  display: block;
  color: var(--teal);
  font-size: 11px;
  margin-bottom: 5px;
}
.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.card {
  display: block;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 19px 20px;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
  background: white;
}
.card:hover {
  border-color: #80b7ab;
  box-shadow: 0 5px 18px #14423b0a;
}
.card h3 {
  font-size: 16px;
  margin-top: 10px;
}
.card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}
.card .number {
  font-size: 11px;
  font-weight: 700;
  color: var(--teal);
}
.card .read {
  display: inline-block;
  font-size: 12px;
  color: var(--teal);
  margin-top: 13px;
  font-weight: 650;
}
.contents {
  padding: 15px 18px;
  background: var(--wash);
  border: 1px solid var(--line);
  border-radius: 10px;
  margin: 27px 0;
  font-size: 13px;
}
.contents strong {
  display: block;
  margin-bottom: 7px;
}
.contents ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.contents a {
  text-decoration: none;
}
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin: 20px 0;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 14px;
  text-align: left;
}
th {
  background: var(--wash);
  font-size: 12px;
  font-weight: 700;
}
th,
td {
  padding: 13px 16px;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  min-width: 105px;
}
tr:last-child td {
  border-bottom: 0;
}
td small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}
.steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 23px 0;
}
.steps > li {
  position: relative;
  padding: 0 0 24px 48px;
  counter-increment: step;
  border-left: 1px solid var(--line);
  margin-left: 15px;
}
.steps > li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}
.steps > li:before {
  content: counter(step);
  position: absolute;
  left: -16px;
  top: -2px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #e8f2ef;
  color: #0a6057;
  font-weight: 750;
  font-size: 13px;
  border: 4px solid white;
}
.steps p {
  font-size: 15px;
  color: #354f58;
}
.screenshot {
  margin: 24px 0 35px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--wash);
}
.image-button {
  border: 0;
  width: 100%;
  padding: 16px;
  background: var(--wash);
  display: block;
  cursor: zoom-in;
}
.image-button img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 650px;
  object-fit: contain;
  object-position: top;
  border-radius: 7px;
}
.screenshot figcaption {
  padding: 13px 17px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: white;
}
.screenshot figcaption strong {
  color: var(--ink);
}
.screenshot figcaption span {
  display: block;
  color: var(--teal);
  font-size: 11px;
  margin-top: 4px;
}
.plain-list {
  padding-left: 22px;
}
.plain-list li {
  padding-left: 5px;
  margin-bottom: 12px;
}
.example-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 25px 0;
  padding: 20px;
  border: 1px solid #ded6ee;
  border-radius: 12px;
  background: #faf8fd;
}
.example-link p {
  font-size: 13px;
  color: var(--muted);
  margin: 4px 0 0;
}
.page-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  border-top: 1px solid var(--line);
  margin-top: 45px;
  padding-top: 25px;
}
.page-nav a {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 15px 18px;
  text-decoration: none;
  font-weight: 650;
  font-size: 14px;
  line-height: 1.5;
}
.page-nav a:last-child {
  text-align: right;
}
.page-nav small {
  display: block;
  font-weight: 400;
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 5px;
}
.footer {
  margin-top: 45px;
  font-size: 12px;
  color: var(--muted);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
code {
  font:
    13px/1.6 ui-monospace,
    SFMono-Regular,
    Consolas,
    monospace;
  background: #edf2f3;
  border-radius: 4px;
  padding: 2px 5px;
  overflow-wrap: anywhere;
}
dialog {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0;
  width: min(1300px, 96vw);
  max-height: 94vh;
  background: #f7f9f9;
}
dialog::backdrop {
  background: #10252de0;
}
.lightbox-header {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  background: white;
  position: sticky;
  top: 0;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
}
.lightbox-header p {
  margin: 0;
  font-size: 13px;
}
.lightbox-header button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  padding: 6px 12px;
}
.lightbox-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin: auto;
}
body.menu-open {
  overflow: hidden;
}
.menu-shade {
  position: fixed;
  inset: var(--header) 0 0;
  background: #11252c80;
  border: 0;
  z-index: 55;
}
.empty-search {
  color: var(--muted);
  font-size: 14px;
}
.reading-note {
  font-size: 13px;
  color: var(--muted);
}
@media (min-width: 1500px) {
  .main {
    padding-left: 90px;
    padding-right: 90px;
  }
}
@media (max-width: 1000px) {
  .layout {
    grid-template-columns: 224px minmax(0, 1fr);
  }
  .main {
    padding: 30px 26px;
  }
  .sidebar {
    font-size: 12px;
    padding-left: 9px;
    padding-right: 9px;
  }
  .topbar {
    padding-left: 20px;
    padding-right: 20px;
    gap: 18px;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .path {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .example-link {
    align-items: flex-start;
    flex-direction: column;
  }
}
@media (max-width: 760px) {
  :root {
    --header: 76px;
  }
  .topbar {
    padding: 12px 16px;
    gap: 12px;
  }
  .brand small {
    display: none;
  }
  .app-link {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .layout {
    display: block;
  }
  .sidebar {
    display: none;
    position: fixed;
    left: 0;
    top: var(--header);
    width: min(320px, 88vw);
    height: calc(100dvh - var(--header));
    z-index: 60;
    border-right: 1px solid var(--line);
    box-shadow: 20px 0 60px #11252c20;
    padding: 18px 14px;
    font-size: 14px;
  }
  .sidebar.open {
    display: block;
  }
  .drawer-close {
    display: block;
    margin: 0 0 12px 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 7px 12px;
    background: white;
    font-size: 13px;
  }
  .main {
    padding: 26px 20px 40px;
  }
  .lead {
    font-size: 16px;
  }
  h2 {
    font-size: 22px;
    margin-top: 35px;
  }
  .steps > li {
    padding-left: 34px;
  }
  .image-button {
    padding: 8px;
  }
  .page-nav {
    gap: 10px;
  }
  .page-nav a {
    padding: 12px;
    font-size: 13px;
  }
}
@media (max-width: 500px) {
  :root {
    --header: 119px;
  }
  html {
    scroll-padding-top: 135px;
  }
  .topbar {
    height: var(--header);
    flex-wrap: wrap;
    align-content: center;
    gap: 9px 12px;
  }
  .brand {
    flex: 1;
  }
  .brand small {
    display: block;
  }
  .search {
    order: 3;
    width: 100%;
    margin-left: 0;
  }
  .search input {
    height: 37px;
  }
  .search-icon {
    top: 6px;
  }
  .search-results {
    top: 43px;
    width: 100%;
  }
  .main {
    padding-left: 16px;
    padding-right: 16px;
  }
  .intro-card {
    padding: 20px;
  }
  .contents ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .path {
    gap: 8px;
  }
  .path li {
    padding: 11px;
  }
  .example-link {
    padding: 16px;
  }
  .image-button img {
    max-height: none;
  }
  .table-wrap {
    font-size: 13px;
  }
  th,
  td {
    padding: 10px 12px;
  }
  .lightbox-header {
    gap: 10px;
    padding: 10px;
  }
  .lightbox-header p {
    font-size: 11px;
  }
  .page-nav {
    grid-template-columns: 1fr;
  }
  .page-nav a:last-child {
    text-align: left;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}
@media print {
  .topbar,
  .sidebar,
  .contents,
  .page-nav,
  .example-link,
  .menu-shade,
  .skip,
  .search-results {
    display: none !important;
  }
  .layout {
    display: block;
  }
  .main {
    padding: 0;
  }
  .article {
    max-width: none;
  }
  body {
    font-size: 11pt;
    color: black;
  }
  h1 {
    font-size: 25pt;
  }
  h2 {
    font-size: 18pt;
    break-after: avoid;
  }
  a {
    color: black;
  }
  .screenshot,
  .callout,
  .steps > li {
    break-inside: avoid;
  }
  .image-button img {
    max-height: 170mm;
  }
  .screenshot figcaption span {
    display: none;
  }
  .footer {
    margin-top: 20px;
  }
  .cards {
    grid-template-columns: 1fr 1fr;
  }
}