:root {
  color-scheme: light;
  --paper: #FFFFFF;
  --muted: #F0F2F5;
  --blue: #ADD8E6;
  --mint: #98FB98;
  --yellow: #FFFACD;
  --peach: #FFDAB9;
  --lavender: #E6E6FA;
  --ink: #333333;
  --line: #D7DBE0;
  --radius: 12px;
  --shadow: 0 2px 12px rgb(51 51 51 / 6%);
  font-family: "Inter", Arial, sans-serif;
  color: var(--ink);
  background: #F7F8FA;
  font-synthesis: none;
  scroll-behavior: smooth;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-size: 1rem; line-height: 1.6; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
button, select { font: inherit; color: inherit; }
button, summary, select { cursor: pointer; }
a, button, select, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 4px;
  box-shadow: 0 0 0 7px var(--blue);
}
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-family: "DM Sans", "Inter", Arial, sans-serif; line-height: 1.16; }
h1 { font-weight: 700; letter-spacing: -.045em; text-wrap: balance; }
h2 { font-size: 1.5rem; letter-spacing: -.025em; font-weight: 700; text-wrap: balance; }
h3 { font-size: 1.2rem; letter-spacing: -.015em; font-weight: 700; }
img { display: block; max-width: 100%; height: auto; }
[hidden] { display: none !important; }
.u-container { width: 100%; max-width: 1280px; margin-inline: auto; padding-inline: 1.5rem; }
.u-masthead { display: flex; align-items: center; gap: 2rem; min-height: 120px; padding-block: 1.5rem; }
.u-wordmark { display: inline-flex; align-items: center; gap: .75rem; min-height: 56px; text-decoration: none; font-weight: 600; line-height: 1.2; letter-spacing: -.03em; }
.u-brand-symbol { display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid var(--ink); border-radius: var(--radius); background: var(--blue); font-size: 1.75rem; }
.u-mast-note { font-size: 1rem; border-left: 1px solid var(--line); padding-left: 2rem; }
.u-header-link { margin-left: auto; display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 48px; padding: .75rem 1rem; border-radius: var(--radius); background: var(--paper); border: 1px solid var(--line); text-decoration: none; font-weight: 500; }
.u-layout { display: grid; grid-template-columns: 192px minmax(0, 1fr); gap: 2rem; align-items: start; }
.u-rail { position: sticky; top: 1.5rem; max-height: calc(100svh - 3rem); overflow-y: auto; padding-bottom: 1rem; }
.u-rail-home { min-height: 48px; display: flex; align-items: center; justify-content: space-between; font-weight: 600; text-decoration: none; padding: .75rem .5rem; }
.u-rail-details { border-top: 1px solid var(--line); }
summary { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .75rem .5rem; list-style: none; font-size: 1rem; font-weight: 600; }
summary::-webkit-details-marker { display: none; }
summary > span { font-weight: 400; font-size: 1.4rem; line-height: 1; }
details[open] > summary > span { transform: rotate(45deg); }
.u-rail-links { display: grid; padding-block: .25rem .75rem; }
.u-rail-links a { display: flex; align-items: center; min-height: 44px; padding: .6rem .75rem; font-size: 1rem; line-height: 1.4; border-radius: 8px; text-decoration: none; border-left: 2px solid transparent; }
.u-rail-links a:hover { background: var(--muted); }
.u-rail-links a[aria-current="page"], .u-rail-links a[data-active="true"] { background: var(--paper); border-left-color: var(--ink); font-weight: 600; }
.u-rail-note { border-top: 1px solid var(--line); margin-top: 1rem; padding: 1rem .5rem; font-size: 1rem; }
.u-main { min-width: 0; }
.u-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-block: 0 1rem; min-height: 44px; }
.u-breadcrumb a { display: inline-flex; align-items: center; min-height: 44px; padding-inline: .25rem; }
.u-intro { padding: clamp(1.5rem, 4vw, 3rem); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); position: relative; }
.u-intro::after { content: ""; position: absolute; right: 1rem; top: 1rem; width: 16px; height: 16px; border: 1px solid var(--ink); border-radius: 4px; opacity: .35; }
.u-label { font-size: 1rem; font-weight: 500; line-height: 1.45; }
.u-intro > .u-label { margin-bottom: 1.5rem; }
.u-hero-title { font-size: clamp(2.5rem, 5vw, 4rem); max-width: 17ch; }
.u-page-title { font-size: clamp(2rem, 3.2vw, 2.25rem); max-width: 27ch; }
.u-intro-text { max-width: 65ch; margin-top: 1.5rem; font-size: 1.125rem; line-height: 1.65; }
.u-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.u-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: .875rem 1.25rem; min-height: 52px; border-radius: var(--radius); border: 1px solid var(--ink); background: var(--paper); text-decoration: none; font-size: 1rem; font-weight: 600; transition: transform .16s ease, box-shadow .16s ease; }
.u-button:hover, .u-header-link:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.u-dark { background: var(--ink); color: var(--paper); }
.u-bento { display: grid; grid-template-columns: repeat(12, minmax(0,1fr)); gap: 1.5rem; margin-top: clamp(4rem, 8vw, 8rem); }
.u-card { padding: clamp(1.5rem, 3vw, 2rem); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); background: var(--paper); min-width: 0; }
.u-full { grid-column: 1 / -1; }
.u-wide { grid-column: span 7; }
.u-narrow { grid-column: span 5; }
.u-half { grid-column: span 6; }
.u-white { background: var(--paper); }
.u-blue { background: var(--blue); }
.u-mint { background: #DCFADC; }
.u-yellow { background: var(--yellow); }
.u-peach { background: #FFE8D5; }
.u-lavender { background: var(--lavender); }
.u-section-head { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; }
.u-section-mark { display: grid; place-items: center; flex: 0 0 32px; width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); font-size: 1rem; font-weight: 500; line-height: 1; }
.u-section-head h2 { padding-top: .25rem; }
.u-prose { max-width: 72ch; margin-inline: auto; overflow-wrap: break-word; }
.u-prose > * + * { margin-top: 1.25rem; }
.u-prose p { font-size: 1rem; line-height: 1.65; }
.u-callout { padding: 1.5rem; border-radius: var(--radius); border: 1px solid var(--line); }
.u-callout.u-blue { background-color: #C1E1EC; }
.u-callout.u-yellow { background-color: #FFFBD9; }
.u-callout > .u-label { margin-bottom: .75rem; }
.u-callout h3 + p { margin-top: .75rem; }
.u-callout h3 { max-width: 42ch; }
.u-list { margin-bottom: 0; padding-left: 1.5rem; }
.u-list li { font-size: 1rem; line-height: 1.65; padding-left: .25rem; }
.u-list li + li { margin-top: .75rem; }
.u-text-link { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 48px; padding: .75rem 1rem; background: rgb(255 255 255 / 64%); border: 1px solid var(--line); border-radius: 8px; font-weight: 500; font-size: 1rem; }
.u-text-link:hover { background: var(--paper); }
.u-drawer { border: 1px solid var(--line); border-radius: var(--radius); background: rgb(255 255 255 / 76%); }
.u-drawer summary { padding: 1rem; min-height: 56px; }
.u-drawer-body { padding: 0 1rem 1rem; }
.u-source-list { list-style: none; padding: 0; margin: 0; }
.u-drawer-body p + .u-source-list { margin-top: .75rem; }
.u-source-link { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 48px; padding-block: .75rem; border-bottom: 1px solid var(--line); font-size: 1rem; line-height: 1.4; }
.u-source-list li:last-child a { border-bottom: 0; }
.u-route-grid, .u-pair-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.u-route-tile { display: flex; flex-direction: column; gap: 1rem; min-height: 240px; padding: 1.5rem; border-radius: var(--radius); border: 1px solid var(--line); text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.u-route-tile .u-label { margin-top: auto; text-decoration: underline; text-underline-offset: 4px; }
.u-route-tile:hover { transform: translateY(-3px); box-shadow: 0 4px 16px rgb(51 51 51 / 8%); }
.u-route-symbol { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--ink); border-radius: 10px; font-size: 1.5rem; }
.u-route-tile.u-mint .u-route-symbol { background: var(--mint); }
.u-mini-card { border: 1px solid var(--line); padding: 1.5rem; border-radius: var(--radius); }
.u-mini-card h3 { margin-bottom: 1rem; }
.u-mini-card p + p { margin-top: 1rem; }
.u-image-tile { padding: .75rem; align-self: start; }
.u-image-stage { position: relative; overflow: hidden; aspect-ratio: 3 / 2; background: linear-gradient(140deg,#F0F2F5,#FFF); border-radius: 8px; }
.u-image-stage::before { content: ""; position: absolute; width: 33%; height: 58%; left: 28%; top: 23%; background: #FFFFFF; border: 1px solid #DFE2E7; box-shadow: 4px 8px 15px rgb(51 51 51 / 7%); transform: rotate(-12deg); }
.u-image-stage::after { content: ""; position: absolute; width: 21%; aspect-ratio: 1; right: 22%; top: 36%; border-radius: 50%; background: #ADD8E6; box-shadow: inset -12px -12px 20px rgb(51 51 51 / 7%), 4px 12px 12px rgb(51 51 51 / 5%); }
.u-image-stage img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; opacity: 0; }
.u-image-stage img[data-ready="true"] { opacity: 1; }
.u-image-tile figcaption { padding: 1rem .75rem .5rem; font-size: 1rem; }
.u-recap { border-top: 3px solid var(--ink); }
.u-recap > p + p { margin-top: .75rem; font-size: 1.125rem; max-width: 65ch; }
.u-next-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; margin-top: 1.5rem; }
.u-next-link { display: flex; flex-direction: column; justify-content: center; gap: .5rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius); min-height: 96px; text-decoration: none; background: var(--muted); }
.u-next-link > span:last-child { display: flex; justify-content: space-between; align-items: center; font-size: 1rem; font-weight: 600; }
.u-next-link:hover { background: var(--blue); }
.u-footer { display: flex; justify-content: space-between; gap: 2rem; margin-block: clamp(4rem,8vw,8rem) 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: 1rem; }
.u-footer p { max-width: 65ch; }
.u-footer nav { display: flex; flex-wrap: wrap; align-items: start; gap: .5rem; flex-shrink: 0; }
.u-footer nav a { min-height: 48px; display: inline-flex; align-items: center; gap: .75rem; padding: .75rem 1rem; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); font-size: 1rem; }
.u-skip { position: absolute; left: 1.5rem; top: -120px; z-index: 10; padding: 1rem; background: var(--ink); color: var(--paper); border-radius: var(--radius); min-height: 48px; }
.u-skip:focus { top: 1rem; }
.u-jump { padding-top: 1rem; border-top: 1px solid var(--line); margin-top: .75rem; display: grid; gap: .5rem; }
.u-jump label { font-size: 1rem; }
.u-jump select { width: 100%; min-width: 0; min-height: 48px; border: 1px solid var(--line); border-radius: 8px; padding: .5rem .25rem; background: var(--paper); font-size: 1rem; }
.u-jump button { width: 100%; min-height: 44px; padding: .5rem 1rem; border: 1px solid var(--ink); border-radius: 8px; background: var(--blue); font-weight: 600; }
section[id], main[id] { scroll-margin-top: 1.5rem; }
.u-intro, .u-card { animation: desk-arrive .3s ease-out; }
@keyframes desk-arrive { from { transform: translateY(5px); } to { transform: translateY(0); } }
@media (min-width: 1000px) { .u-full > .u-section-head { max-width: calc(72ch + 48px); margin-inline: auto; } }
@media (max-width: 1000px) {
  .u-layout { grid-template-columns: 176px minmax(0,1fr); gap: 1.5rem; }
  .u-wide, .u-narrow { grid-column: 1 / -1; }
  .u-footer { flex-direction: column; }
}
@media (max-width: 760px) {
  .u-container { padding-inline: 1.5rem; }
  .u-masthead { display: grid; grid-template-columns: minmax(0,1fr) auto; min-height: 0; gap: .75rem; padding-block: 1.25rem; }
  .u-wordmark { font-size: 1rem; }
  .u-brand-symbol { width: 44px; height: 44px; }
  .u-mast-note { grid-column: 1 / -1; grid-row: 2; border-left: 0; padding-left: 0; }
  .u-header-link { margin-left: 0; font-size: 1rem; min-width: 44px; max-width: 142px; padding: .5rem .75rem; gap: .5rem; line-height: 1.3; }
  .u-layout { grid-template-columns: minmax(0,1fr); gap: 1rem; }
  .u-rail { position: static; max-height: none; overflow: visible; padding-bottom: 0; }
  .u-rail nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .5rem; align-items: start; }
  .u-rail-home, .u-rail-note { display: none; }
  .u-rail-details { border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
  .u-rail-details summary { padding: .75rem; }
  .u-rail-links { padding-inline: .25rem; }
  .u-jump { margin-block: 1rem .5rem; grid-template-columns: minmax(0,1fr) 64px; gap: .5rem; }
  .u-jump label { grid-column: 1 / -1; }
  .u-jump select { padding: .5rem; }
  .u-jump button { padding: .5rem; }
  .u-intro { padding: 1.5rem; }
  .u-intro > .u-label { margin-bottom: 1.25rem; }
  .u-hero-title { font-size: 2.5rem; }
  .u-page-title { font-size: 2.25rem; }
  .u-intro-text { font-size: 1rem; margin-top: 1.25rem; }
  .u-actions { flex-direction: column; margin-top: 1.5rem; }
  .u-button { width: 100%; }
  .u-bento { margin-top: 4rem; gap: 1.5rem; }
  .u-card { padding: 1.5rem; }
  .u-full, .u-half, .u-wide, .u-narrow { grid-column: 1 / -1; }
  .u-section-head { gap: .75rem; }
  .u-section-mark { width: 28px; height: 28px; flex-basis: 28px; }
  .u-callout, .u-mini-card { padding: 1.25rem; }
  .u-route-grid, .u-pair-grid, .u-next-grid { grid-template-columns: minmax(0,1fr); }
  .u-route-tile { min-height: 216px; padding: 1.25rem; }
  .u-image-tile { padding: .75rem; }
  .u-footer { gap: 1.5rem; margin-bottom: 1.5rem; }
  .u-footer nav { flex-direction: column; width: 100%; }
  .u-footer nav a { width: 100%; justify-content: space-between; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .u-button:hover, .u-header-link:hover, .u-route-tile:hover { transform: none; }
}
@media print {
  body { background: white; }
  .u-masthead, .u-rail, .u-footer, .u-actions, .u-next-grid, .u-image-tile { display: none; }
  .u-layout, .u-bento { display: block; }
  .u-card, .u-intro { box-shadow: none; break-inside: avoid; margin-bottom: 1rem; }
}