/* Clinical editorial edition. Existing document styles remain the fallback. */
:root {
  --ink: #202a33;
  --muted: #56616b;
  --paper: #fff;
  --deep: #145db3;
  --deep-2: #114a91;
  --teal: #145db3;
  --copper: #145db3;
  --gold: #145db3;
  --line: #d5dde3;
  --shadow: none;
  --radius: 2px;
  --max: 1280px;
  --header: 82px;
}
body { overflow-x: clip; font-family: "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", Arial, sans-serif; font-size: 16px; font-weight: 400; line-height: 1.85; }
body:has(dialog[open]) { overflow: hidden; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button, summary, a, input { touch-action: manipulation; }
:where(a, button, summary):focus-visible { outline: 3px solid #1764c0; outline-offset: 5px; }
[hidden] { display: none !important; }
.container { width: min(calc(100% - 96px), var(--max)); }
.icon { width: 20px; height: 20px; flex: 0 0 20px; }
.site-header { background: rgba(255,255,255,.98); border-bottom: 1px solid var(--line); backdrop-filter: none; }
.header-inner { gap: 20px; }
.brand { gap: 22px; }
.brand-logo { width: 174px; height: 44px; }
.brand small { font-size: 11px; font-weight: 500; }
.header-actions { gap: 28px; }
.nav { display: flex; gap: 25px; font-size: 13px; font-weight: 500; color: var(--ink); }
.nav a { min-height: 44px; display: flex; align-items: center; }
.nav a:hover, .nav a[aria-current="location"] { border-bottom-color: var(--deep); color: var(--deep); }
.lang-toggle { display: flex; padding: 0; min-width: 0; border: 0; box-shadow: none; border-radius: 0; gap: 4px; }
.lang-toggle a { min-width: 34px; min-height: 44px; font-size: 11px; font-weight: 600; padding: 0 5px; border-radius: 0; border-bottom: 2px solid transparent; }
.lang-toggle a[aria-current="page"] { color: var(--deep); background: none; border-bottom-color: var(--deep); }
.contents-menu { position: relative; }
.contents-menu summary { display: flex; align-items: center; gap: 10px; font-size: 12px; cursor: pointer; list-style: none; min-height: 44px; color: var(--ink); }
.contents-menu summary::-webkit-details-marker { display: none; }
.contents-menu nav { position: absolute; right: 0; top: calc(100% + 19px); width: 320px; max-height: calc(100svh - 110px); overflow-y: auto; background: #fff; border: 1px solid var(--line); box-shadow: 0 14px 35px #15263418; padding: 18px 24px; }
.contents-menu nav a { display: flex; align-items: center; gap: 24px; padding: 10px 0; border-bottom: 1px solid #e8ecef; font-size: 14px; }
.contents-menu nav a:last-child { border: 0; }
.contents-menu nav a > span:first-child { font-size: 11px; color: var(--deep); font-variant-numeric: tabular-nums; }
.contents-menu nav a:hover { color: var(--deep); }
.hero { min-height: 630px; height: auto; color: var(--ink); background: #f5f8fb; isolation: isolate; border-bottom: 0; }
.hero-content { padding: 64px 0 48px; pointer-events: none; }
.hero-content > * { max-width: 540px; pointer-events: auto; }
.hero .eyebrow { color: var(--deep); font-size: 10px; margin-bottom: 28px; }
.eyebrow { font-size: 11px; font-weight: 500; line-height: 1.5; margin-bottom: 14px; }
h1, html[lang="en"] h1 { font-family: "Helvetica Neue", Arial, sans-serif; font-size: 88px; line-height: 1; font-weight: 400; max-width: 580px; }
.title-method { font-size: 28px; padding-left: 8px; font-weight: 400; }
.hero-subtitle { display: block; margin-top: 20px; font-family: "Hiragino Mincho ProN", "Yu Mincho", "Songti TC", Georgia, serif; font-size: 32px; font-weight: 500; line-height: 1.55; }
html[lang="en"] .hero-subtitle { font-family: Georgia, serif; font-size: 31px; }
.hero-expansion { color: var(--deep); margin: 18px 0 0; font-size: 12px; line-height: 1.5; }
.hero-lead { max-width: 405px; margin-top: 22px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.hero-actions { gap: 24px; margin-top: 27px; }
.button { min-height: 50px; padding: 10px 20px; border-radius: 0; font-size: 13px; font-weight: 500; gap: 22px; transition: background-color .2s, color .2s; }
.button:hover { transform: none; }
.button.primary { background: var(--deep); border-color: var(--deep); }
.button.primary:hover { background: #104788; }
.button.secondary, .section .button.secondary, .final-card .button.secondary { background: transparent; color: var(--deep); border: 0; border-bottom: 1px solid var(--line); padding-inline: 0; backdrop-filter: none; }
.button.secondary:hover { border-bottom-color: var(--deep); }
.hero-note { color: #5b6874; font-size: 11px; margin-top: 24px; }
.hero-art { position: absolute; top: 24px; bottom: 18px; right: max(40px, calc((100% - 1280px)/2)); width: 51%; z-index: -1; }
.hero-implant { width: 100%; height: 100%; object-fit: contain; object-position: center; mix-blend-mode: multiply; }
.art-label { position: absolute; right: 0; top: 36%; font-size: 11px; color: #333c45; padding: 8px 0; border-top: 1px solid #8394a3; }
.signal-band { background: #fff; color: var(--ink); border-block: 1px solid var(--line); }
.signal-grid { background: none; gap: 0; }
.signal { background: none; min-height: 134px; padding: 26px 32px; border-right: 1px solid var(--line); }
.signal:first-child { padding-left: 0; }
.signal:last-child { border-right: 0; }
.signal span { color: var(--deep); font-size: 10px; font-weight: 500; letter-spacing: 0; }
.signal strong { color: var(--ink); margin-top: 8px; font-size: 29px; font-weight: 400; }
.signal p { color: var(--muted); margin-top: 7px; font-size: 12px; }
.section { padding: 90px 0; }
.section.alt { background: #f4f6f8; border: 0; }
h2 { font-size: 34px; font-weight: 500; line-height: 1.5; text-wrap: balance; }
h3 { font-size: 18px; font-weight: 600; line-height: 1.65; }
.section-head { max-width: 880px; margin-bottom: 40px; }
.section-head.center { text-align: left; margin-inline: 0; }
.section-head p:not(.eyebrow) { max-width: 780px; margin-top: 20px; }
.overview-section .section-head { display: grid; grid-template-columns: .6fr 1fr; gap: 70px; max-width: none; align-items: start; }
.overview-section .section-head > p { margin: 0; }
.definition-list { gap: 42px; margin-top: 48px; }
.definition-list > div { border-top: 1px solid var(--line); padding-top: 24px; }
.definition-list dt { font-size: 15px; font-weight: 500; color: var(--deep); }
.definition-list dd { font-size: 14px; }
.topic-links { margin-top: 30px; font-size: 12px; gap: 14px 32px; }
.topic-links a { font-weight: 500; text-decoration: none; }
.topic-links a:hover { text-decoration: underline; }
.original-points { background: #f4f6f8; border: 0; padding: 60px 0; }
.original-points-inner { gap: 70px; }
.original-points h2 { font-size: 26px; }
.original-points ul { gap: 0; counter-reset: point; }
.original-points li { border: 0; border-top: 1px solid var(--line); border-radius: 0; background: none; padding: 14px 0 14px 38px; font-size: 14px; counter-increment: point; }
.original-points li::before { content: counter(point, decimal-leading-zero); color: var(--deep); font-size: 11px; left: 0; top: 17px; }
.value-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 36px 70px; }
.value-card { padding: 24px 0 0; border: 0; border-top: 1px solid var(--line); border-radius: 0; box-shadow: none; min-height: 0; }
.value-card span, .value-card:nth-child(n) span { background: none; color: var(--deep); display: block; width: auto; height: auto; font-size: 12px; font-weight: 500; }
.value-card p { font-size: 14px; }
.split-section { background: #f4f6f8; }
.split { align-items: start; gap: 60px; }
.split-media { position: sticky; top: 115px; }
.split-copy h2 { font-size: 28px; }
.split-copy p { font-size: 14px; }
.figure-frame { border: 0; border-radius: 0; box-shadow: none; background: transparent; }
.figure-frame img { aspect-ratio: 1 / 1; }
.figure-frame figcaption { padding: 18px 0 0; border: 0; font-size: 11px; }
.method-list { gap: 0; }
.method-list div { border: 0; border-top: 1px solid var(--line); background: none; border-radius: 0; padding: 20px 0; }
.method-list strong { font-size: 14px; font-weight: 600; }
#flow { background: #fff; }
#flow > .container { display: grid; grid-template-columns: .52fr 1fr; gap: 70px; align-items: start; }
#flow .section-head { position: sticky; top: 120px; }
.timeline { display: block; border-top: 1px solid var(--line); }
.timeline li { border: 0; border-bottom: 1px solid var(--line); border-radius: 0; box-shadow: none; min-height: 0; background: none; padding: 26px 0 26px 50px; }
.timeline span { position: absolute; left: 0; top: 30px; font-size: 12px; font-weight: 400; letter-spacing: 0; }
.timeline h3 { font-size: 18px; }
.timeline p { font-size: 14px; }
.step-detail { display: inline-flex; align-items: center; min-height: 36px; color: var(--deep); font-size: 12px; text-decoration: underline; text-underline-offset: 4px; }
.device-section { background: #edf3f9; color: var(--ink); }
.device-section .eyebrow { color: var(--deep); }
.device-grid { align-items: start; }
.device-grid h2 { font-size: 32px; }
.device-grid p { color: var(--muted); font-size: 14px; }
.device-benefits { border-color: var(--line); }
.device-benefits li { border-color: var(--line); padding: 20px 0; }
.device-benefits strong { color: var(--deep); font-weight: 500; }
.device-benefits span { color: var(--muted); }
.device-facts { gap: 18px; }
.device-facts div { padding: 12px 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: none; min-height: 0; }
.device-facts span { color: var(--muted); font-size: 11px; font-weight: 400; }
.device-facts strong { color: var(--ink); font-size: 14px; font-weight: 500; }
.device-photo { border: 0; border-radius: 0; margin-top: 15px; background: none; }
.device-photo img { aspect-ratio: 1; object-fit: contain; mix-blend-mode: multiply; }
.device-photo figcaption { background: none; border: 0; padding-inline: 0; font-size: 11px; }
.manual-section { background: #fff; }
.manual-hero { grid-template-columns: 1fr .6fr; gap: 80px; }
.manual-hero-copy p { font-size: 14px; }
.manual-preview { border-radius: 0; box-shadow: none; border-color: var(--line); }
.manual-preview img { aspect-ratio: 4 / 3; object-fit: contain; background: #fff; }
.manual-preview figcaption { font-size: 11px; }
.manual-value-grid { gap: 32px; }
.manual-value-grid article { padding: 0; border: 0; background: none; border-radius: 0; box-shadow: none; }
.manual-value-grid img { aspect-ratio: 1; border: 0; border-radius: 0; padding: 14px; background: #f5f6f7; mix-blend-mode: multiply; }
.manual-value-grid span { font-size: 10px; font-weight: 400; letter-spacing: 0; }
.manual-value-grid h3 { font-size: 16px; font-weight: 500; }
.manual-value-grid p { font-size: 13px; }
.manual-flow-panel { margin-top: 55px; padding: 40px 0 0; border: 0; border-top: 1px solid var(--line); border-radius: 0; background: none; }
.manual-flow-panel h2 { font-size: 26px; }
.manual-flow-panel .section-head > p:not(.eyebrow) { font-size: 14px; }
.manual-steps { gap: 24px; }
.manual-steps li { padding: 15px 0 0; border: 0; border-top: 1px solid var(--line); border-radius: 0; background: none; min-height: 0; }
.manual-steps strong { font-weight: 500; font-size: 14px; }
.manual-steps span { font-weight: 500; }
.manual-steps p { font-size: 12px; }
.manual-spec-grid { margin-top: 50px; gap: 60px; }
.manual-spec-card { padding: 30px 0; background: none; border: 0; border-top: 1px solid var(--line); border-radius: 0; }
.manual-spec-card p, .manual-check-list { font-size: 14px; }
.manual-mini-table { border: 0; border-radius: 0; }
.manual-mini-table div { background: none; padding: 12px 0; font-size: 13px; border-bottom: 1px solid var(--line); }
.manual-mini-table strong::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 12px; border-radius: 50%; background: #35855b; }
.manual-mini-table div:nth-child(2) strong::before { background: #9a7934; }
.manual-mini-table div:nth-child(3) strong::before { background: #b3578f; }
.manual-mini-table div:nth-child(4) strong::before { background: #3567a4; }
.evidence-layout { gap: 65px; }
.evidence-cards { gap: 20px 30px; grid-template-columns: repeat(2,minmax(0,1fr)); }
.evidence-cards article { border: 0; border-top: 1px solid var(--line); padding: 20px 0; border-radius: 0; box-shadow: none; background: none; }
.evidence-cards article > span { font-weight: 400; font-size: 44px; color: var(--deep); }
.evidence-cards h3 { font-size: 14px; font-weight: 500; }
.evidence-cards p { font-size: 13px; }
.evidence-cards .wide { border-top-color: #8d9ead; background: none; }
.reference-links { font-size: 12px; }
.atlas-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.atlas-filters { display: flex; gap: 25px; flex-wrap: wrap; }
.atlas-filters button { padding: 12px 0; min-height: 48px; border: 0; border-bottom: 2px solid transparent; background: none; font-size: 13px; color: var(--muted); }
.atlas-filters button[aria-pressed="true"] { color: var(--deep); border-bottom-color: var(--deep); }
.atlas-count { font-size: 12px; color: var(--muted); white-space: nowrap; }
.figure-atlas { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 36px 30px; }
.atlas-card, .atlas-card.large { grid-column: auto; border: 0; border-radius: 0; background: none; box-shadow: none; margin: 0; }
.atlas-card img, .atlas-card.large img { height: auto; width: 100%; aspect-ratio: 4 / 3; object-fit: contain; background: #f6f7f8; padding: 16px; }
.atlas-link { position: relative; display: block; overflow: hidden; cursor: zoom-in; }
.atlas-link::after { content: "+"; position: absolute; right: 12px; bottom: 12px; width: 28px; height: 28px; display: grid; place-items: center; border: 1px solid #bdc8d2; background: #fff; color: var(--deep); font-size: 22px; line-height: 1; transition: background-color .2s; }
.atlas-link:hover::after { background: var(--deep); color: #fff; }
.atlas-card figcaption { padding: 16px 0; border: 0; min-height: 0; }
.atlas-card figcaption strong { font-weight: 500; font-size: 14px; line-height: 1.7; }
.atlas-card figcaption span { margin-top: 6px; font-size: 12px; line-height: 1.85; }
.figure-dialog { padding: 0; border: 0; width: min(1100px,calc(100% - 48px)); max-height: calc(100svh - 48px); color: var(--ink); background: #fff; }
.figure-dialog::backdrop { background: #172533b8; }
.dialog-toolbar { display: flex; justify-content: space-between; align-items: center; padding: 12px 24px; border-bottom: 1px solid var(--line); }
.dialog-toolbar p { margin: 0; font-size: 13px; }
.icon-button { width: 44px; height: 44px; display: grid; place-items: center; background: #fff; border: 1px solid var(--line); }
.icon-button:hover { background: #edf3f9; }
.figure-dialog figure { margin: 0; padding: 24px; }
.figure-dialog img { margin-inline: auto; width: auto; max-width: 100%; max-height: calc(100svh - 250px); object-fit: contain; }
.figure-dialog figcaption { margin-top: 16px; font-size: 13px; }
.risk-grid { gap: 70px; }
.risk-copy h2 { font-size: 28px; }
.risk-copy p, .risk-panel li { font-size: 14px; }
.risk-panel { background: none; border: 0; border-radius: 0; padding: 0; }
.risk-panel h3 { font-size: 16px; }
.risk-panel ul { padding-left: 20px; }
.source-text-section { background: #fff; }
#source-text > .container { display: grid; grid-template-columns: .4fr 1fr; column-gap: 70px; align-items: start; }
#source-text .section-head { position: sticky; top: 120px; }
.source-text-grid { display: block; border-top: 1px solid var(--line); }
.technique-detail { border-bottom: 1px solid var(--line); padding: 0; scroll-margin-top: 100px; }
.technique-detail summary { cursor: pointer; padding: 22px 34px 22px 0; color: var(--ink); }
.technique-detail summary h3 { display: inline; font-size: 17px; font-weight: 500; }
.technique-detail summary::marker { color: var(--deep); font-size: 12px; }
.technique-detail[open] summary { color: var(--deep); }
.technique-detail p { font-size: 14px; line-height: 2; margin: 0 0 20px; max-width: 72ch; }
.tips-panel { grid-column: 2; margin-top: 40px; padding: 26px 0; border: 0; border-top: 1px solid var(--line); border-radius: 0; background: none; }
.tips-grid article { background: none; border: 0; border-radius: 0; padding: 0; }
.tips-grid article p { font-size: 13px; }
.tips-title { margin-top: 35px; font-weight: 500; color: var(--deep); }
.tips-grid { grid-column: 2; gap: 22px; }
.tip-card { background: none; border: 0; border-top: 1px solid var(--line); border-radius: 0; padding: 18px 0; }
.tip-card p { font-size: 13px; }
.faq-section { background: #f4f6f8; }
.faq-section > .container { display: grid; grid-template-columns: .4fr 1fr; gap: 70px; align-items: start; }
.faq-list h3 { font-size: 16px; font-weight: 500; }
.faq-list p { font-size: 14px; }
.faq-list a { font-size: 12px; }
.faq-list article { padding: 24px 0; }
.source-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 60px; }
.source-list a { padding: 24px 0; border: 0; border-top: 1px solid var(--line); border-radius: 0; background: none; box-shadow: none; }
.source-list a:hover { border-color: var(--deep); transform: none; }
.source-list strong { font-weight: 500; color: var(--deep); font-size: 15px; }
.source-list span { font-size: 13px; }
.source-list cite { font-size: 13px; }
.final-cta { background: #145db3; padding: 68px 0; }
.final-card { padding: 0; border: 0; border-radius: 0; background: none; box-shadow: none; color: #fff; }
.final-card .eyebrow { color: #d4e6fc; }
.final-card h2 { font-size: 34px; }
.final-card .button.primary { border-color: #fff; background: #fff; color: var(--deep); }
.final-card .button.secondary { color: #fff; border-bottom-color: #b0c9ec; }
.site-footer { background: #fff; padding: 32px 0; border: 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; }
.publisher { display: flex; align-items: center; gap: 22px; }
.publisher img { width: 150px; height: 44px; object-fit: contain; }
.publisher span { font-size: 12px; color: var(--muted); }
.site-footer p { font-size: 11px; }
@media (prefers-reduced-motion: no-preference) {
  .hero-content { animation: enter .7s ease-out both; }
  .hero-art { animation: enter 1s ease-out both; }
  @keyframes enter { from { opacity: 0; transform: translateY(9px); } to { opacity: 1; transform: none; } }
}
@media (min-width: 1600px) { .hero { min-height: 670px; } }
@media (max-width: 1200px) {
  .brand > span { display: none; }
  .header-actions { gap: 22px; }
  .nav { display: flex; gap: 20px; }
  .hero-content > * { max-width: 440px; }
  .hero-art { right: 18px; width: 49%; }
  .art-label { top: 32%; right: 0; }
  .hero-lead { max-width: 390px; }
  .manual-value-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 40px; }
  .manual-value-grid img { aspect-ratio: 4 / 3; }
  .manual-steps { grid-template-columns: repeat(3,minmax(0,1fr)); }
}
@media (max-width: 960px) {
  .container { width: calc(100% - 56px); }
  .nav { display: none; }
  .hero { min-height: 600px; }
  h1, html[lang="en"] h1 { font-size: 76px; }
  .hero-subtitle, html[lang="en"] .hero-subtitle { font-size: 27px; }
  .hero-content > * { max-width: 390px; }
  .hero-art { width: 46%; top: 80px; bottom: 80px; right: 8px; }
  .art-label { display: none; }
  .hero-lead { max-width: 330px; }
  .overview-section .section-head { gap: 35px; }
  .split, .device-grid, .manual-hero, .risk-grid { gap: 35px; grid-template-columns: 1fr 1fr; }
  #flow > .container, #source-text > .container, .faq-section > .container { grid-template-columns: 1fr; gap: 24px; }
  #flow .section-head, #source-text .section-head { position: static; }
  .tips-panel, .tips-grid { grid-column: 1; }
  .figure-atlas { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .evidence-layout { gap: 30px; }
  .device-benefits li { grid-template-columns: 1fr; gap: 6px; }
  .original-points-inner { gap: 35px; }
  .section { padding: 64px 0; }
  h2 { font-size: 28px; }
}
@media (max-width: 680px) {
  :root { --header: 68px; }
  body { font-size: 15px; }
  .container { width: calc(100% - 40px); }
  .header-inner { gap: 10px; }
  .brand-logo { width: 135px; height: 36px; }
  .header-actions { gap: 13px; }
  .lang-toggle { gap: 1px; }
  .lang-toggle a { min-width: 27px; padding-inline: 3px; font-size: 10px; }
  .contents-menu summary > span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .contents-menu summary { width: 32px; justify-content: center; }
  .contents-menu nav { width: min(330px, calc(100vw - 40px)); right: 0; top: calc(100% + 12px); }
  .hero { min-height: 0; }
  .hero-content { padding: 33px 0 25px; }
  .hero-content > * { max-width: none; }
  .hero .eyebrow { font-size: 8px; margin-bottom: 17px; }
  h1, html[lang="en"] h1 { font-size: 66px; }
  .title-method { font-size: 22px; padding-left: 5px; }
  .hero-subtitle, html[lang="en"] .hero-subtitle { font-size: 23px; margin-top: 13px; }
  html[lang="en"] .hero-subtitle { font-size: 21px; max-width: 225px; }
  .hero-expansion { font-size: 10px; margin-top: 13px; }
  .hero-art { top: 103px; right: 12px; bottom: auto; height: 205px; width: 120px; }
  .hero-implant { object-position: center; }
  .hero-lead { margin-top: 24px; max-width: 100%; font-size: 14px; padding-right: 0; }
  .hero-actions { flex-direction: row; gap: 14px; margin-top: 20px; }
  .button { width: auto; min-height: 48px; padding: 10px 14px; gap: 10px; font-size: 12px; }
  .hero-note { margin-top: 16px; font-size: 10px; }
  .signal-grid { grid-template-columns: 1fr; }
  .signal { display: grid; grid-template-columns: 110px 1fr; align-items: center; gap: 2px 20px; min-height: 78px; padding: 14px 0; border: 0; border-bottom: 1px solid var(--line); }
  .signal:last-child { border-bottom: 0; }
  .signal span { grid-column: 1; font-size: 9px; }
  .signal strong { grid-column: 2; grid-row: 1; font-size: 23px; margin: 0; }
  .signal p { grid-column: 2; margin: 0; font-size: 11px; }
  .section { padding: 50px 0; }
  h2, .device-grid h2, .split-copy h2, .risk-copy h2 { font-size: 25px; }
  .section-head { margin-bottom: 28px; }
  .section-head p:not(.eyebrow) { font-size: 14px; }
  .overview-section .section-head { display: block; }
  .overview-section .section-head > p { margin-top: 20px; }
  .definition-list { display: block; margin: 24px 0; }
  .definition-list > div { padding: 18px 0; }
  .topic-links { margin-top: 0; gap: 8px 24px; }
  .original-points { padding: 40px 0; }
  .original-points-inner { grid-template-columns: 1fr; gap: 24px; }
  .original-points h2 { font-size: 24px; }
  .value-grid { grid-template-columns: 1fr; gap: 20px; }
  .value-card { padding-top: 16px; }
  .value-card span { margin-bottom: 8px; }
  .split, .device-grid, .manual-hero, .risk-grid, .evidence-layout, .manual-spec-grid { grid-template-columns: 1fr; gap: 30px; }
  .split-media { position: static; }
  .figure-frame img { aspect-ratio: 4 / 3; }
  .split-copy { order: -1; }
  .timeline li { padding: 20px 0 20px 37px; }
  .timeline span { top: 25px; }
  .timeline h3 { font-size: 17px; }
  .timeline p { font-size: 13px; }
  .device-grid .device-photo { margin: 0; }
  .device-photo img { aspect-ratio: 4 / 3; }
  .manual-hero { gap: 30px; margin-bottom: 36px; }
  .manual-preview img { aspect-ratio: 16 / 9; object-fit: contain; }
  .manual-value-grid { gap: 28px 20px; }
  .manual-value-grid img { aspect-ratio: 1; padding: 4px; }
  .manual-value-grid h3 { font-size: 14px; }
  .manual-value-grid p { font-size: 12px; }
  .manual-value-grid span { font-size: 9px; }
  .manual-steps { grid-template-columns: 1fr; gap: 15px; }
  .manual-steps li { position: relative; padding: 15px 0 0 32px; }
  .manual-steps li > span { position: absolute; left: 0; top: 18px; }
  .manual-flow-panel { margin-top: 36px; padding-top: 30px; }
  .manual-flow-panel h2 { font-size: 24px; }
  .manual-spec-grid { margin-top: 30px; gap: 10px; }
  .manual-mini-table div { grid-template-columns: 90px 1fr; }
  .evidence-cards { gap: 18px 24px; }
  .atlas-filters { gap: 18px; }
  .atlas-filters button { font-size: 12px; }
  .atlas-toolbar { gap: 10px; }
  .atlas-count { font-size: 10px; }
  .figure-atlas { grid-template-columns: 1fr; gap: 24px; }
  .atlas-card img { aspect-ratio: 4 / 3; padding: 16px; }
  .figure-dialog { width: calc(100% - 20px); max-height: calc(100svh - 20px); }
  .figure-dialog figure { padding: 15px; }
  .figure-dialog img { max-height: calc(100svh - 260px); }
  .dialog-toolbar { padding: 8px 15px; }
  .tips-grid, .source-list { grid-template-columns: 1fr; }
  .source-list { gap: 8px; }
  .final-cta { padding: 45px 0; }
  .final-card h2 { font-size: 25px; }
  .publisher { flex-wrap: wrap; gap: 12px; }
  .publisher img { width: 140px; }
  .publisher span { font-size: 10px; }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 32px); }
  .brand-logo { width: 112px; }
  .header-actions { gap: 6px; }
  h1, html[lang="en"] h1 { font-size: 58px; }
  .hero-subtitle, html[lang="en"] .hero-subtitle { font-size: 21px; }
  .hero-art { right: 5px; width: 100px; }
  html[lang="en"] .hero-subtitle { font-size: 20px; max-width: 195px; }
  .atlas-filters { gap: 12px; }
}
@media print {
  .site-header, .hero-actions, .atlas-toolbar, .final-cta, dialog, .step-detail { display: none !important; }
  .container { width: 100%; }
  .section { padding: 24px 0; }
  .hero { min-height: 480px; }
  .hero-art { width: 45%; }
  .split-media, #flow .section-head, #source-text .section-head { position: static; }
  details::details-content { display: block; }
}