/* Shared semantic tokens: preserve roles across modules. */
:root {
  --color-compute:#a64d0b;
  --bg-compute:#fff0dc;
  --color-network:#23658a;
  --bg-network:#edf5fa;
  --color-monitoring:#7042a2;
  --bg-monitoring:#f3edfa;
  --color-control:#216b51;
  --bg-control:#eaf5ed;
  --color-messaging:#a03268;
  --bg-messaging:#fbeef4;
  --ink:#202f3d;
  --muted:#576574;
  --paper:#faf9f6;
  --surface:#fff;
  --line:#dddfe2;
  --accent:#a64d0b;
  --radius:14px;
  --color-data:#12666c;
  --bg-data:#eaf5f5;
  --font:system-ui,-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
}
/* Base typography and accessibility */
* {
  box-sizing:border-box;
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:90px;
}
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  line-break:strict;
  word-break:normal;
  overflow-wrap:normal;
}
a {
  color:var(--color-network);
  text-underline-offset:4px;
}
a:hover {
  color:var(--color-compute);
}
button,input {
  font:inherit;
}
button,summary,a {
  touch-action:manipulation;
}
:focus-visible {
  outline:3px solid var(--color-network);
  outline-offset:4px;
}
::selection {
  background:#ffdda9;
}
h1,h2,h3,p,figure {
  margin:0;
}
p+p {
  margin-top:16px;
}
h1 {
  font-size:clamp(30px,4vw,48px);
  line-height:1.4;
  letter-spacing:-.035em;
}
h2 {
  font-size:clamp(24px,3vw,32px);
  line-height:1.5;
  letter-spacing:-.025em;
}
h3 {
  font-size:19px;
  line-height:1.6;
}
/* Authored short phrases keep labels meaningful across screen widths. */
.heading-part,.label-part,.term {
  display:inline-block;
  white-space:nowrap;
}
h1,h2,h3,.diagram-head strong,.note>strong {
  text-wrap:pretty;
}
small,.small {
  font-size:14px;
  color:var(--muted);
}
.eyebrow {
  font-size:12px;
  font-weight:750;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}
.skip-link {
  position:fixed;
  top:-100px;
  left:16px;
  background:white;
  padding:12px;
  z-index:10;
}
.skip-link:focus {
  top:8px;
}
/* Site shell and navigation */
.site-header {
  height:68px;
  background:rgba(250,249,246,.97);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:5;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 max(24px,calc((100vw - 1400px)/2));
  gap:20px;
}
.brand {
  display:flex;
  gap:12px;
  align-items:center;
  text-decoration:none;
  color:var(--ink);
  font-weight:750;
  letter-spacing:.02em;
  font-size:15px;
}
.brand-mark {
  color:#fff;
  background:var(--ink);
  border-radius:7px;
  padding:2px 9px;
  font-size:16px;
}
.header-meta {
  font-size:12px;
  color:var(--muted);
  letter-spacing:.08em;
}
.shell {
  max-width:1400px;
  margin:auto;
  padding:0 32px;
  display:grid;
  grid-template-columns:224px minmax(0,1fr);
  gap:56px;
}
.toc {
  position:sticky;
  top:100px;
  align-self:start;
  padding:30px 0;
  max-height:calc(100vh - 110px);
  overflow:auto;
}
.toc-title {
  margin-bottom:22px;
}
.toc ol {
  padding:0;
  margin:0;
  list-style:none;
}
.toc li {
  margin:4px 0;
}
.toc nav a {
  display:flex;
  gap:12px;
  padding:8px 10px;
  font-size:14px;
  line-height:1.6;
  text-decoration:none;
  color:var(--muted);
  border-left:2px solid transparent;
}
.toc nav a span {
  font-size:12px;
  color:var(--accent);
  padding-top:2px;
}
.toc nav a:hover,.toc nav a[aria-current="location"] {
  color:var(--ink);
  background:#eeede9;
  border-left-color:var(--accent);
}
.toc-home {
  display:block;
  margin-top:24px;
  padding:12px 10px;
  font-size:14px;
}
.article {
  min-width:0;
  padding:46px 0 0;
  max-width:980px;
}
.breadcrumb {
  font-size:13px;
  color:var(--muted);
  margin-bottom:26px;
}
/* Module introduction */
.hero {
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.hero .eyebrow {
  color:var(--accent);
  margin-bottom:14px;
}
.hero h1 {
  margin-bottom:20px;
}
.lead {
  font-size:18px;
  max-width:760px;
  color:var(--muted);
  line-height:1.9;
}
.hero-meta {
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin-top:24px;
}
.tag {
  font-size:12px;
  background:#eeede9;
  color:var(--muted);
  padding:3px 10px;
  border-radius:30px;
}
.learning-goals {
  background:var(--ink);
  color:#fff;
  border-radius:var(--radius);
  padding:25px 28px;
  margin-top:30px;
}
.learning-goals h2 {
  font-size:16px;
  margin-bottom:14px;
}
.goal-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px 24px;
  font-size:14px;
}
.goal-grid p {
  margin:0;
  display:flex;
  gap:10px;
}
.goal-grid b {
  color:#ffbf76;
}
/* Learning sections */
.chapter {
  padding:52px 0;
  border-bottom:1px solid var(--line);
}
.section-title {
  display:flex;
  align-items:baseline;
  gap:16px;
  margin-bottom:20px;
}
.section-number {
  font-size:14px;
  font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  flex-shrink:0;
  white-space:nowrap;
}
.section-title h2 {
  min-width:0;
}
.chapter>p {
  max-width:830px;
}
.chapter h3 {
  margin:26px 0 12px;
}
/* Reusable diagram containers */
.diagram {
  margin:26px 0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.diagram-head {
  padding:16px 22px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.diagram-head strong {
  font-size:15px;
}
.diagram-kind {
  font-size:11px;
  letter-spacing:.1em;
  color:var(--muted);
  white-space:nowrap;
}
.diagram-body {
  padding:26px;
}
.diagram figcaption {
  font-size:14px;
  color:var(--muted);
  padding:16px 22px;
  background:#f7f8f8;
  border-top:1px solid var(--line);
}
.diagram-scroll,.table-scroll {
  overflow-x:auto;
  overscroll-behavior-inline:contain;
}
.diagram-scroll:focus-visible,.table-scroll:focus-visible {
  outline-offset:-4px;
}
/* Semantic service nodes */
.service {
  border:1px solid currentColor;
  border-radius:10px;
  background:var(--surface);
  padding:15px 18px;
  text-align:center;
  line-height:1.6;
  min-width:0;
}
.service strong {
  display:block;
  font-size:16px;
  text-wrap:pretty;
}
.service small {
  display:block;
  font-size:14px;
  color:inherit;
  margin-top:4px;
  text-wrap:pretty;
}
.compute {
  color:var(--color-compute);
  background:var(--bg-compute);
}
.network {
  color:var(--color-network);
  background:var(--bg-network);
}
.monitoring {
  color:var(--color-monitoring);
  background:var(--bg-monitoring);
}
.control {
  color:var(--color-control);
  background:var(--bg-control);
}
.messaging {
  color:var(--color-messaging);
  background:var(--bg-messaging);
}
.neutral {
  color:var(--ink);
  background:#f4f5f6;
}
/* Explanation and note cards */
.two-col {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
}
.explain-card {
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--surface);
}
.explain-card h3 {
  margin:0 0 10px;
}
.note {
  margin:24px 0 0;
  padding:18px 22px;
  border-left:3px solid var(--color-network);
  background:var(--bg-network);
  border-radius:0 9px 9px 0;
  font-size:15px;
}
.note strong {
  display:block;
  margin-bottom:5px;
}
.note.important {
  border-color:var(--color-control);
  background:var(--bg-control);
}
.note.warning {
  border-color:var(--color-compute);
  background:var(--bg-compute);
}
.source {
  display:block;
  font-size:12px;
  margin-top:8px;
}
/* Hierarchy pattern: virtualization */
.host {
  border:1px solid var(--line);
  background:#f4f5f6;
  border-radius:12px;
  padding:22px;
}
.host-label {
  font-size:14px;
  font-weight:700;
  margin-bottom:16px;
}
.vm-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}
.hypervisor {
  text-align:center;
  margin-top:16px;
  padding:12px;
  border-radius:8px;
  background:#e3e7eb;
  font-size:14px;
}
.responsibility {
  display:flex;
  justify-content:space-between;
  gap:16px;
  margin-top:12px;
  font-size:12px;
  color:var(--muted);
}
.naming {
  display:flex;
  justify-content:center;
  gap:8px;
  align-items:center;
  margin:24px 0;
  max-width:460px;
  margin-inline:auto;
}
.name-piece {
  text-align:center;
  padding:14px 12px;
  background:white;
  border:1px solid var(--line);
  border-radius:10px;
  flex:1;
  min-width:0;
}
.name-piece code {
  display:block;
  font-size:28px;
  font-weight:700;
  color:var(--accent);
  line-height:1.4;
}
.name-piece small {
  display:block;
  font-size:13px;
}
.name-dot {
  font-size:30px;
}
code {
  font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  font-size:.93em;
}
p code,td code {
  background:#eee;
  padding:2px 5px;
  border-radius:4px;
}
/* Comparison tables */
table {
  border-collapse:collapse;
  width:100%;
  min-width:720px;
  background:#fff;
  font-size:14px;
  line-height:1.8;
}
caption {
  text-align:left;
  font-weight:700;
  font-size:16px;
  padding:18px 0 12px;
}
th,td {
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}
thead th {
  background:#eef0f1;
  font-size:13px;
}
tbody th {
  width:25%;
  font-weight:650;
}
.table-scroll {
  margin-top:14px;
}
.table-scroll table caption {
  padding-left:16px;
}
/* Convergence and simple flows */
.api-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.api-grid .service {
  padding:16px 8px;
}
.converge {
  height:60px;
  position:relative;
  margin:0 16.5%;
  border-left:2px solid #607184;
  border-right:2px solid #607184;
  border-bottom:2px solid #607184;
  border-radius:0 0 10px 10px;
}
.converge:before {
  content:"";
  position:absolute;
  left:50%;
  height:60px;
  border-left:2px solid #607184;
}
.converge:after {
  content:"▼";
  position:absolute;
  left:50%;
  bottom:-22px;
  transform:translateX(-50%);
  color:#607184;
  font-size:18px;
}
.api-target {
  max-width:320px;
  margin:28px auto 0;
}
.flow {
  display:flex;
  gap:12px;
  align-items:center;
}
.flow>.service {
  flex:1;
}
.space-before {
  margin-top:20px;
}
.flow-stack {
  max-width:320px;
  margin:14px auto 0;
  flex-direction:column;
}
.full-width {
  width:100%;
}
.arrow {
  flex:none;
  color:var(--muted);
  text-align:center;
  font-size:24px;
  line-height:1.4;
}
.arrow small {
  display:block;
  font-size:11px;
  line-height:1.6;
}
/* Capacity comparison */
.scale-pair {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}
.scale-panel h3 {
  margin:0 0 8px;
}
.scale-panel p {
  font-size:14px;
  color:var(--muted);
  margin-top:18px;
}
.server {
  width:45px;
  height:52px;
  background:var(--bg-compute);
  border:2px solid var(--color-compute);
  border-radius:6px;
  display:grid;
  place-items:center;
  color:var(--color-compute);
  font-size:12px;
  font-weight:700;
}
.server.large {
  width:74px;
  height:86px;
}
.servers {
  display:flex;
  gap:6px;
  align-items:center;
  flex-wrap:wrap;
}
.scale-visual {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:20px;
  min-height:100px;
}
/* SVG diagram tokens */
.svg-diagram {
  display:block;
  width:100%;
  height:auto;
  min-width:820px;
}
.svg-diagram text {
  font-family:var(--font);
  fill:var(--ink);
  font-size:16px;
}
.svg-diagram .svg-small {
  font-size:14px;
  fill:var(--muted);
}
.svg-diagram .svg-label {
  font-weight:700;
}
.svg-diagram .compute-box {
  fill:var(--bg-compute);
  stroke:var(--color-compute);
}
.svg-diagram .network-box {
  fill:var(--bg-network);
  stroke:var(--color-network);
}
.svg-diagram .monitor-box {
  fill:var(--bg-monitoring);
  stroke:var(--color-monitoring);
}
.svg-diagram .control-box {
  fill:var(--bg-control);
  stroke:var(--color-control);
}
.svg-diagram .route {
  fill:none;
  stroke:#607184;
  stroke-width:2;
  marker-end:url(#route-arrow);
}
.svg-diagram .feedback {
  fill:none;
  stroke:var(--color-monitoring);
  stroke-width:2;
  stroke-dasharray:7 5;
  marker-end:url(#feedback-arrow);
}
.legend {
  display:flex;
  flex-wrap:wrap;
  gap:12px 22px;
  padding-top:18px;
  font-size:12px;
  color:var(--muted);
}
.legend span {
  display:flex;
  align-items:center;
  gap:7px;
}
.dot {
  width:9px;
  height:9px;
  border-radius:50%;
  display:inline-block;
}
.dot.compute {
  background:var(--color-compute);
}
.dot.network {
  background:var(--color-network);
}
.dot.monitoring {
  background:var(--color-monitoring);
}
.dot.control {
  background:var(--color-control);
}
.dot.messaging {
  background:var(--color-messaging);
}
/* Messaging comparison and fan-out */
.message-pair {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.message-pair h3 {
  margin:0 0 8px;
}
.message-pair p {
  font-size:14px;
  color:var(--muted);
}
.vertical-flow {
  display:flex;
  flex-direction:column;
  align-items:stretch;
  gap:10px;
  margin-top:20px;
}
.queue-payload {
  display:flex;
  justify-content:center;
  gap:8px;
  margin:8px 0 3px;
}
.queue-payload span {
  padding:1px 7px;
  border:1px solid currentColor;
  border-radius:3px;
  font-size:12px;
}
.subscriber-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}
.subscriber-grid .service {
  padding:12px 5px;
}
.subscriber-grid .service strong {
  font-size:14px;
}
.fanout {
  height:26px;
  border-top:2px solid #607184;
  margin:4px 25% 0;
  position:relative;
}
.fanout:before,.fanout:after {
  content:"↓";
  position:absolute;
  top:0;
  font-size:24px;
  line-height:1;
  color:#607184;
}
.fanout:before {
  left:-10px;
}
.fanout:after {
  right:-10px;
}
/* Review and module navigation */
.summary-list {
  padding-left:22px;
}
.summary-list li {
  padding:5px 0;
}
.review-grid {
  display:grid;
  gap:12px;
  margin-top:26px;
}
details {
  border:1px solid var(--line);
  border-radius:10px;
  background:white;
  padding:16px 20px;
}
summary {
  cursor:pointer;
  font-size:15px;
  font-weight:650;
}
details p {
  margin-top:14px;
  color:var(--muted);
  font-size:15px;
}
.sources-list {
  padding-left:22px;
  font-size:14px;
}
.sources-list li {
  padding:6px 0;
}
.module-nav {
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  padding:30px 0;
  font-size:14px;
}
.module-nav>:last-child {
  text-align:right;
}
.unavailable {
  color:var(--muted);
  font-size:12px;
}
.footer {
  color:var(--muted);
  font-size:12px;
  padding:22px 0 35px;
  border-top:1px solid var(--line);
}
/* Home page */
.home {
  max-width:1120px;
  padding:60px 32px;
  margin:auto;
}
.home-hero {
  padding:32px 0 48px;
  max-width:900px;
}
.home-hero h1 {
  margin:16px 0 24px;
}
.home-hero h1 em {
  font-style:normal;
  color:var(--accent);
}
.home-stat {
  display:flex;
  gap:28px;
  margin-top:28px;
  font-size:13px;
  color:var(--muted);
}
.home-stat strong {
  font-size:22px;
  color:var(--ink);
  margin-right:6px;
}
.home-section-title {
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  padding:25px 0;
  border-top:1px solid var(--line);
}
.home-section-title h2 {
  font-size:20px;
}
.module-card {
  display:grid;
  grid-template-columns:1fr 280px;
  border:1px solid var(--line);
  background:white;
  border-radius:18px;
  overflow:hidden;
  text-decoration:none;
  color:var(--ink);
}
.module-card:hover {
  color:var(--ink);
  border-color:var(--accent);
}
.module-card-body {
  padding:32px;
}
.module-card h3 {
  font-size:26px;
  margin:14px 0;
}
.module-card p {
  font-size:15px;
  color:var(--muted);
  max-width:640px;
}
.card-link {
  display:inline-block;
  margin-top:24px;
  color:var(--accent);
  font-size:14px;
  font-weight:700;
}
.card-art {
  background:var(--bg-compute);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:28px;
  flex-direction:column;
  gap:14px;
}
.card-art .service {
  width:180px;
}
.card-art .servers {
  justify-content:center;
}
.home-note {
  margin:24px 0 56px;
  color:var(--muted);
  font-size:14px;
}
.reading-tips {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-bottom:50px;
}
.reading-tips h3 {
  font-size:16px;
  margin:8px 0;
}
.reading-tips p {
  font-size:14px;
  color:var(--muted);
}
/* Responsive layouts */
@media(min-width:1500px) {
  .shell {
    gap:70px;
  }
  .article {
    max-width:1000px;
  }
}
@media(max-width:1050px) {
  .shell {
    grid-template-columns:190px minmax(0,1fr);
    gap:30px;
    padding:0 24px;
  }
  .scale-pair,.message-pair {
    grid-template-columns:1fr;
  }
  .scale-panel+.scale-panel,.message-pair>div+div {
    padding-top:24px;
    border-top:1px solid var(--line);
  }
}
@media(max-width:760px) {
  html {
    scroll-padding-top:82px;
  }
  .site-header {
    padding:0 18px;
    height:60px;
  }
  .header-meta {
    display:none;
  }
  .brand {
    font-size:13px;
  }
  .shell {
    display:block;
    padding:0 20px;
  }
  .toc {
    position:static;
    padding:24px 0 0;
    max-height:none;
  }
  .toc-title {
    margin-bottom:10px;
  }
  .toc ol {
    display:flex;
    overflow:auto;
    gap:8px;
    padding-bottom:12px;
  }
  .toc li {
    flex:none;
  }
  .toc nav a {
    border:1px solid var(--line);
    border-radius:6px;
    padding:7px 10px;
    background:white;
    font-size:12px;
  }
  .toc nav a[aria-current="location"] {
    border-color:var(--accent);
  }
  .toc-home {
    display:none;
  }
  .article {
    padding-top:22px;
  }
  .breadcrumb {
    margin-bottom:18px;
  }
  .hero {
    padding-bottom:30px;
  }
  .lead {
    font-size:16px;
  }
  .learning-goals {
    padding:20px;
  }
  .goal-grid,.two-col {
    grid-template-columns:1fr;
  }
  .chapter {
    padding:36px 0;
  }
  .section-title {
    gap:12px;
  }
  .diagram-head {
    padding:13px 16px;
  }
  .diagram-kind {
    display:none;
  }
  .diagram-body {
    padding:18px;
  }
  .diagram figcaption {
    padding:14px 16px;
  }
  .diagram-scroll::before {
    content:"図は左右にスクロールできます →";
    display:block;
    position:sticky;
    left:0;
    font-size:12px;
    color:var(--muted);
    margin-bottom:12px;
  }
  .table-scroll::before {
    content:"表は左右にスクロールできます →";
    display:block;
    position:sticky;
    left:0;
    font-size:12px;
    color:var(--muted);
    margin:0 0 8px;
  }
  .vm-grid {
    grid-template-columns:1fr;
  }
  .responsibility {
    flex-direction:column;
    gap:4px;
  }
  .api-grid {
    gap:8px;
  }
  .api-grid .service strong {
    font-size:16px;
  }
  .api-grid .service small {
    font-size:14px;
  }
  .name-piece {
    padding:12px 8px;
  }
  .naming {
    gap:5px;
  }
  .flow {
    gap:12px;
    flex-direction:column;
  }
  .flow .service {
    padding:12px 16px;
    width:100%;
  }
  .flow .service strong {
    font-size:16px;
  }
  .flow .service small {
    font-size:14px;
  }
  .flow:not(.flow-stack)>.arrow {
    transform:rotate(90deg);
  }
  .arrow {
    font-size:20px;
  }
  .note {
    padding:16px;
  }
  .module-nav {
    gap:10px;
    font-size:13px;
  }
  .unavailable {
    font-size:11px;
  }
  .home {
    padding:28px 20px;
  }
  .home-hero {
    padding:20px 0 32px;
  }
  .module-card {
    grid-template-columns:1fr;
  }
  .module-card-body {
    padding:24px;
  }
  .card-art {
    padding:20px;
    flex-direction:row;
    gap:24px;
  }
  .card-art .service {
    width:auto;
  }
  .reading-tips {
    grid-template-columns:1fr;
    gap:18px;
  }
  .home-stat {
    gap:20px;
  }
  .home-section-title .small {
    font-size:12px;
  }
}
/* A collector on the right preserves three API paths without narrow columns. */
@media(max-width:1050px) {
  .api-grid {
    grid-template-columns:1fr;
    position:relative;
    gap:14px;
    padding-right:36px;
  }
  .api-grid::after {
    content:"";
    position:absolute;
    right:16px;
    top:56px;
    bottom:0;
    border-right:2px solid #607184;
  }
  .api-grid .service {
    position:relative;
    padding:14px 16px;
    min-height:112px;
    display:flex;
    flex-direction:column;
    justify-content:center;
  }
  .api-grid .service::after {
    content:"";
    position:absolute;
    right:-20px;
    top:50%;
    width:20px;
    border-top:2px solid #607184;
  }
  .converge {
    margin:0;
    height:40px;
    border:0;
  }
  .converge::before {
    left:50%;
    right:16px;
    height:22px;
    border-left:0;
    border-right:2px solid #607184;
    border-bottom:2px solid #607184;
    border-radius:0 0 10px 0;
  }
  .converge::after {
    bottom:0;
  }
  .api-target {
    margin-top:0;
  }
  .vm-grid,.two-col {
    grid-template-columns:1fr;
  }
}
@media(max-width:460px) {
  .hero h1 {
    font-size:26px;
  }
  .scale-visual {
    gap:12px;
  }
  .servers {
    flex-wrap:nowrap;
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto;
  }
}
@media print {
  .site-header,.toc,.module-nav,.skip-link {
    display:none;
  }
  .shell {
    display:block;
    padding:0;
  }
  .article {
    max-width:none;
    padding:0;
  }
  .chapter {
    padding:24px 0;
  }
  .diagram,.note,.explain-card {
    break-inside:avoid;
  }
  .diagram-scroll,.table-scroll {
    overflow:visible;
  }
  .svg-diagram {
    min-width:0;
  }
  body {
    background:white;
    font-size:11pt;
  }
  .hero h1 {
    font-size:28pt;
  }
  .diagram-kind {
    display:none;
  }
  details p {
    display:block;
  }
  a {
    color:inherit;
  }
  .footer {
    padding:12px 0;
  }
}