:root {
  --ink:#243c33;
  --muted:#5e6e65;
  --green:#245b43;
  --paper:#fafbf7;
  --line:#dce3d9;
  --soft:#eef2e9;
  --accent:#d7e6ad;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  color:var(--ink);
  background:var(--paper);
  font-synthesis:none;
  text-rendering:optimizeLegibility;
}
* {
  box-sizing:border-box;
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:100px;
}
body {
  margin:0;
  line-height:1.85;
}
a {
  color:inherit;
  text-underline-offset:5px;
}
a:hover {
  text-decoration:underline;
}
a:focus-visible,summary:focus-visible {
  outline:3px solid #ad680d;
  outline-offset:5px;
}
img {
  max-width:100%;
  height:auto;
}
h1,h2,h3,p,figure {
  margin:0;
}
h1,h2,h3 {
  line-height:1.5;
}
h2 {
  font-size:clamp(1.55rem,2.8vw,2.1rem);
  font-weight:650;
  letter-spacing:-.035em;
}
h3 {
  font-size:1.08rem;
}
p {
  overflow-wrap:anywhere;
}
.container {
  width:min(1160px,calc(100% - 96px));
  margin-inline:auto;
}
.skip-link {
  position:fixed;
  left:16px;
  top:-100px;
  background:var(--ink);
  color:white;
  padding:8px 20px;
  z-index:10;
}
.skip-link:focus {
  top:12px;
}
.site-header {
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  min-height:96px;
}
.brand {
  display:inline-flex;
  align-items:center;
  gap:11px;
  font-size:1.5rem;
  font-weight:700;
  letter-spacing:-.04em;
  text-decoration:none;
}
.brand-mark {
  display:grid;
  place-items:center;
  width:37px;
  height:37px;
  border-radius:11px 11px 11px 2px;
  background:var(--green);
  color:var(--paper);
  font:italic 700 29px Georgia,serif;
  letter-spacing:-3px;
  padding-right:5px;
}
.header-inner nav {
  display:flex;
  align-items:center;
  gap:32px;
  font-size:.85rem;
  font-weight:600;
}
.header-inner nav a {
  text-decoration:none;
}
.header-inner nav a:hover {
  text-decoration:underline;
}
.language {
  font-size:.8rem;
}
.nav-download {
  border:1px solid var(--line);
  border-radius:5px;
  padding:9px 17px;
}
.nav-download span {
  margin-left:14px;
}
.hero {
  display:grid;
  grid-template-columns:1fr 1.08fr;
  align-items:center;
  gap:54px;
  padding-block:74px 80px;
}
.eyebrow {
  font-size:.69rem;
  letter-spacing:.16em;
  font-weight:700;
  color:var(--green);
  margin-bottom:19px;
}
.hero h1 {
  font-size:clamp(2.25rem,3.6vw,3.35rem);
  line-height:1.52;
  letter-spacing:-.055em;
  font-weight:650;
}
.hero h1 em {
  font-style:normal;
  color:var(--green);
  text-decoration:underline;
  text-decoration-color:var(--accent);
  text-decoration-thickness:9px;
  text-underline-offset:0;
  text-decoration-skip-ink:none;
}
.hero-description {
  font-size:.9rem;
  line-height:2.1;
  color:var(--muted);
  margin-top:24px;
}
.hero-actions {
  display:flex;
  gap:24px;
  align-items:center;
  flex-wrap:wrap;
  margin-top:30px;
}
.button {
  display:inline-flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  padding:14px 22px;
  border-radius:5px;
  background:var(--green);
  color:white;
  font-size:.85rem;
  font-weight:600;
  text-decoration:none;
  transition:background .15s,transform .15s;
}
.button:hover {
  background:#173d2d;
  text-decoration:none;
  transform:translateY(-2px);
}
.text-link {
  font-size:.84rem;
  font-weight:600;
  text-decoration:none;
}
.text-link:hover {
  text-decoration:underline;
}
.hero-meta {
  display:flex;
  gap:20px;
  flex-wrap:wrap;
  font-size:.68rem;
  color:var(--muted);
  margin-top:19px;
}
.hero-visual {
  padding:25px 26px 22px;
  background:var(--soft);
  border:1px solid #e0e7da;
  border-radius:10px;
  transform:rotate(1deg);
}
.visual-heading {
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.74rem;
  font-weight:600;
  margin-bottom:23px;
}
.status-dot {
  width:7px;
  height:7px;
  background:var(--green);
  border-radius:50%;
}
.visual-no {
  font:9px ui-monospace,monospace;
  margin-left:auto;
  color:var(--muted);
}
.hero-visual img {
  display:block;
  width:100%;
  filter:drop-shadow(0 10px 10px #243c3315);
}
.hero-visual figcaption {
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:.66rem;
  color:var(--muted);
  margin-top:21px;
}
.intro-strip {
  border-block:1px solid var(--line);
}
.intro-strip .container {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-block:23px;
}
.intro-strip span {
  font-weight:600;
  font-size:.86rem;
}
.intro-strip p {
  font-size:.8rem;
  color:var(--muted);
}
.section {
  padding-block:80px;
}
.section-heading {
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:30px;
  margin-bottom:34px;
}
.section-heading .eyebrow {
  margin-bottom:10px;
}
.section-heading>p {
  font-size:.82rem;
  color:var(--muted);
}
.feature-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:34px;
}
.feature {
  border-top:1px solid var(--line);
  padding-top:23px;
}
.number {
  font:italic 1.6rem Georgia,serif;
  color:var(--green);
}
.feature h3 {
  margin-block:15px 12px;
}
.feature p {
  font-size:.86rem;
  color:var(--muted);
}
.download-section {
  background:var(--soft);
  border-block:1px solid var(--line);
}
.release {
  font-size:.72rem;
  border:1px solid #c9d4c4;
  padding:5px 12px;
  border-radius:20px;
  white-space:nowrap;
}
.release time {
  margin-left:9px;
}
.section-intro {
  color:var(--muted);
  font-size:.86rem;
  margin-top:-10px;
  margin-bottom:28px;
}
.download-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.download-card {
  background:var(--paper);
  padding:26px;
  border:1px solid var(--line);
  border-radius:7px;
  display:flex;
  flex-direction:column;
  align-items:start;
}
.platform {
  font-size:1.55rem;
  font-weight:650;
  letter-spacing:-.03em;
  margin-bottom:13px;
}
.download-card h3 {
  font-size:.81rem;
}
.download-card p {
  font-size:.7rem;
  color:var(--muted);
  margin-block:6px 24px;
}
.download-button {
  width:100%;
  margin-top:auto;
}
.download-extra {
  display:flex;
  gap:25px;
  flex-wrap:wrap;
  align-items:center;
  padding-block:23px;
  font-size:.76rem;
}
.download-extra>span {
  margin-left:auto;
  color:var(--muted);
}
.compatibility {
  border-top:1px solid #ccd8c5;
  padding-top:22px;
  display:grid;
  grid-template-columns:150px 1fr;
  gap:24px;
  font-size:.77rem;
}
.compatibility strong {
  font-size:.8rem;
}
.compatibility p {
  color:var(--muted);
}
.steps {
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:36px;
}
.steps li {
  display:flex;
  gap:16px;
  align-items:start;
}
.step-number {
  flex-shrink:0;
  border:1px solid #c8d4bf;
  border-radius:50%;
  width:31px;
  height:31px;
  display:grid;
  place-items:center;
  font-size:.8rem;
  color:var(--green);
}
.steps h3 {
  font-size:.98rem;
  margin-bottom:12px;
}
.steps p {
  font-size:.83rem;
  color:var(--muted);
}
pre {
  max-width:100%;
  overflow-x:auto;
  font: .8rem/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;
  background:var(--soft);
  padding:16px;
  border-radius:4px;
}
code {
  overflow-wrap:anywhere;
}
.steps pre {
  font-size:.7rem;
  padding:12px;
}
.guide-section {
  background:#f1f3ed;
  border-block:1px solid var(--line);
}
.guide-note {
  font-size:.77rem;
  color:var(--muted);
  margin-top:-10px;
  margin-bottom:25px;
}
.guide-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  column-gap:48px;
}
.guide-link {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  border-top:1px solid #d3dccd;
  padding:20px 5px;
  text-decoration:none;
}
.guide-link:hover {
  color:var(--green);
  background:#e7ecdf;
  text-decoration:none;
}
.guide-link strong {
  display:block;
  font-size:.91rem;
  font-weight:600;
}
.guide-link small {
  display:block;
  font-size:.76rem;
  color:var(--muted);
  margin-top:4px;
}
.guide-link>span:last-child {
  color:var(--green);
}
.about {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:75px;
}
.about-intro>p:not(.eyebrow) {
  font-size:.85rem;
  color:var(--muted);
  margin-top:22px;
}
.about .author {
  font-size:.78rem!important;
  color:var(--ink)!important;
}
.about-details {
  padding-top:10px;
}
details {
  border-bottom:1px solid var(--line);
}
summary {
  cursor:pointer;
  font-size:.9rem;
  font-weight:600;
  padding:20px 4px;
}
summary::marker {
  color:var(--green);
}
.detail-content {
  font-size:.83rem;
  padding:0 4px 20px;
  color:var(--muted);
  overflow-wrap:anywhere;
}
.detail-content p {
  margin-block:1em;
}
.detail-content .note {
  border-left:2px solid var(--line);
  padding-left:16px;
}
.license-text {
  white-space:pre-wrap;
  overflow-wrap:anywhere;
  font-size:.71rem;
}
.site-footer {
  border-top:1px solid var(--line);
  background:#e9eee3;
}
.footer-inner {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  padding-block:36px;
}
.site-footer .brand {
  font-size:1.2rem;
}
.site-footer .brand-mark {
  width:30px;
  height:30px;
  font-size:24px;
}
.site-footer p {
  font-size:.72rem;
  color:var(--muted);
  margin-top:9px;
}
.footer-links {
  display:flex;
  gap:22px;
  flex-wrap:wrap;
  font-size:.73rem;
  justify-content:end;
}
.footer-links small {
  flex-basis:100%;
  text-align:right;
  color:var(--muted);
}
/* The existing guides share the same responsive reading layout. */
body.article {
  background:var(--paper);
  color:var(--ink);
}
.article #header {
  border-bottom:1px solid var(--line);
  padding:22px max(24px,calc((100% - 900px)/2));
  background:var(--soft);
}
.article #header .title {
  font-size:1.5rem;
  font-weight:700;
}
.article #header .title a {
  color:var(--green)!important;
  text-decoration:none;
}
.article #header .rest {
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:.75rem;
  color:var(--muted);
  margin-top:8px;
}
.article #header .rightpane {
  font-size:.7rem;
}
.article #maintext {
  max-width:948px;
  padding:48px 24px 70px;
  margin:auto;
  overflow-wrap:anywhere;
}
.article #maintext h1,.article #maintext h2 {
  font-size:clamp(1.6rem,4vw,2rem);
  margin-block:1.6em .8em;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.article #maintext>h1:first-child,.article #maintext>h2:first-child {
  margin-top:0;
}
.article #maintext h3 {
  font-size:1.3rem;
  margin-block:2em .8em;
}
.article #maintext h4 {
  font-size:1.1rem;
  margin-block:1.8em .7em;
}
.article #maintext h5 {
  font-size:1rem;
  margin-block:1.8em .7em;
}
.article #maintext p {
  margin-block:1em;
}
.article small {
  font-size:inherit;
}
.article #maintext a {
  color:var(--green);
  font-weight:500;
}
.article #maintext li {
  margin-block:.5em;
}
.article #maintext .note,.article #maintext .att {
  background:var(--soft);
  border-left:3px solid #a2ba8e;
  padding:12px 20px;
  margin-block:24px;
  font-size:.88rem;
}
.article #maintext .note p {
  margin-block:.3em;
}
.article #maintext .fig {
  margin:26px 0;
}
.article #maintext img {
  max-width:100%;
  height:auto;
}
.article #maintext pre {
  margin-block:20px;
  padding:20px;
}
.article #maintext .button {
  display:inline;
  padding:2px 6px;
  background:#e4e9df;
  color:var(--ink);
  font-size:inherit;
  font-weight:500;
  white-space:normal;
}
.article #maintext table {
  display:block;
  max-width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  font-size:.85rem;
  margin-block:24px;
}
.article #maintext th,.article #maintext td {
  border:1px solid var(--line);
  padding:8px 12px;
}
.article #maintext .attn {
  color:#a23622;
  font-weight:600;
}
.article #maintext .remark {
  background:#edf1d4;
}
.article #footer {
  border-top:1px solid var(--line);
  background:var(--soft);
  padding:20px 24px;
  display:flex;
  justify-content:space-between;
  gap:20px;
  font-size:.76rem;
}
.article .dummybox {
  display:none;
}
@media(min-width:1500px) {
  .hero {
    gap:75px;
  }
  .hero h1 {
    font-size:3.45rem;
  }
}
@media(max-width:1000px) {
  .container {
    width:calc(100% - 56px);
  }
  .header-inner nav {
    gap:20px;
  }
  .hero {
    gap:30px;
    padding-block:55px;
  }
  .hero h1 {
    font-size:2.6rem;
  }
  .hero-visual {
    padding:19px 16px;
  }
  .visual-no {
    display:none;
  }
  .hero-actions {
    gap:18px;
  }
  .feature-grid {
    gap:24px;
  }
  .download-card {
    padding:20px;
  }
  .download-extra {
    gap:16px;
  }
  .steps {
    gap:24px;
  }
  .steps li {
    display:block;
  }
  .step-number {
    margin-bottom:15px;
  }
  .about {
    gap:40px;
  }
  .hero-visual figcaption {
    flex-wrap:wrap;
    gap:3px;
  }
  .footer-links {
    gap:14px;
  }
}
@media(max-width:760px) {
  html {
    scroll-padding-top:24px;
  }
  .container {
    width:calc(100% - 40px);
  }
  .header-inner {
    min-height:80px;
    gap:15px;
  }
  .brand {
    font-size:1.27rem;
  }
  .brand-mark {
    width:32px;
    height:32px;
    font-size:25px;
  }
  .header-inner nav {
    gap:16px;
    font-size:.75rem;
  }
  .header-inner nav>a:first-child,.header-inner nav>a:nth-child(2) {
    display:none;
  }
  .nav-download {
    padding:8px 12px;
    white-space:nowrap;
  }
  .nav-download span {
    margin-left:7px;
  }
  .hero {
    grid-template-columns:1fr;
    gap:36px;
    padding-block:40px 48px;
  }
  .hero h1 {
    font-size:clamp(1.65rem,7.6vw,3rem);
    line-height:1.45;
  }
  .hero-description {
    font-size:.86rem;
  }
  .hero-copy {
    max-width:560px;
  }
  .hero .eyebrow {
    margin-bottom:18px;
  }
  .hero-visual {
    transform:none;
    max-width:540px;
    width:100%;
    margin-inline:auto;
  }
  .visual-heading {
    margin-bottom:14px;
  }
  .visual-no {
    display:block;
  }
  .hero-visual img {
    max-height:480px;
    object-fit:contain;
  }
  .hero-visual figcaption {
    justify-content:space-between;
  }
  .intro-strip .container {
    display:block;
    padding-block:19px;
  }
  .intro-strip p {
    margin-top:3px;
    font-size:.74rem;
  }
  .section {
    padding-block:50px;
  }
  .section-heading {
    align-items:start;
    flex-direction:column;
    gap:16px;
    margin-bottom:27px;
  }
  .section-heading>p br {
    display:none;
  }
  .section-heading>p {
    font-size:.78rem;
  }
  .feature-grid,.download-grid,.steps {
    grid-template-columns:1fr;
    gap:24px;
  }
  .feature {
    padding-top:18px;
    display:grid;
    grid-template-columns:36px 1fr;
    column-gap:14px;
  }
  .feature .number {
    grid-row:1/3;
    font-size:1.35rem;
  }
  .feature h3 {
    margin-block:3px 10px;
    font-size:1rem;
  }
  .feature p {
    grid-column:2;
  }
  .download-card {
    padding:24px;
  }
  .download-card p {
    margin-bottom:18px;
  }
  .download-extra {
    gap:13px 24px;
    padding-block:20px;
  }
  .download-extra>span {
    margin-left:0;
    flex-basis:100%;
  }
  .compatibility {
    grid-template-columns:1fr;
    gap:8px;
  }
  .steps li {
    display:flex;
    gap:16px;
  }
  .step-number {
    margin:0;
  }
  .steps {
    gap:28px;
  }
  .steps pre {
    font-size:.78rem;
  }
  .guide-grid {
    grid-template-columns:1fr;
  }
  .guide-link {
    padding-block:18px;
  }
  .about {
    grid-template-columns:1fr;
    gap:24px;
  }
  .footer-inner {
    align-items:start;
    flex-direction:column;
  }
  .footer-links {
    justify-content:start;
    gap:17px;
  }
  .footer-links small {
    text-align:left;
  }
  .article #maintext {
    padding:30px 20px 50px;
    font-size:.93rem;
  }
  .article #header {
    padding:18px 20px;
  }
  .article #maintext .note {
    padding:12px 16px;
  }
  .article #maintext ul,.article #maintext ol {
    padding-left:24px;
  }
  .article #footer {
    flex-wrap:wrap;
  }
}
@media(max-width:360px) {
  .container {
    width:calc(100% - 32px);
  }
  .header-inner nav {
    gap:10px;
  }
  .header-inner .brand {
    gap:7px;
    font-size:1.1rem;
  }
  .nav-download {
    font-size:.69rem;
    padding:8px;
  }
  .language {
    font-size:.72rem;
  }
  .hero-meta {
    gap:6px 16px;
  }
  .visual-no {
    display:none;
  }
  .hero-description br {
    display:none;
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto;
  }
  .button {
    transition:none;
  }
  .button:hover {
    transform:none;
  }
}