/* Offline edition. Product wording is retained in index.html / language-20260731.js. */
:root {
	--red: #e60012;
	--ink: #17191d;
	--muted: #5c626b;
	--line: #d8dce1;
	--soft: #f3f5f7;
	--dark: #15191f;
	--gutter: clamp(20px, 5vw, 80px);
	--content: 1320px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 108px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, Arial, sans-serif; font-size: 16px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid #286ab3; outline-offset: 5px; }
::selection { background: #ffd6da; color: #17191d; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { line-height: 1.4; }
p { overflow-wrap: anywhere; }
section, div, dl, dt, dd { min-width: 0; }
.section-pad { padding: 100px max(var(--gutter), calc((100% - var(--content)) / 2)); }
.eyebrow { margin: 0 0 24px; font-size: .8125rem; font-weight: 700; letter-spacing: .19em; line-height: 1.5; }
.red { color: var(--red); }
.headline-line { display: inline-block; max-width: 100%; }

/* White, quiet brand header; the supplied SVG keeps its original clear space. */
.site-header { display: grid; grid-template-columns: 172px 1fr auto auto; align-items: center; gap: 32px; min-height: 88px; padding: 10px var(--gutter); background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.brand { display: block; width: 172px; }
.sharp-logo { width: 100%; height: auto; }
.site-header nav { display: flex; justify-content: flex-end; align-items: center; gap: 32px; font-size: .875rem; font-weight: 700; }
.site-header nav a { padding: 8px 0; position: relative; }
.site-header nav a::after { content: ""; position: absolute; height: 2px; background: var(--red); bottom: 0; left: 0; width: 100%; transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.site-header nav a:hover::after { transform: scaleX(1); }
.lang-toggle { border: 0; border-left: 1px solid var(--line); background: transparent; padding: 10px 0 10px 24px; color: var(--ink); font-size: .875rem; min-height: 44px; cursor: pointer; }
.header-cta { display: grid; place-items: center; min-height: 44px; padding: 10px 24px; background: var(--ink); color: #fff; font-size: .875rem; font-weight: 700; transition: background .2s; }
.header-cta:hover { background: var(--red); }

/* USB dongle leads the page. The original PPT render is used without redrawing. */
.dongle { padding-top: 28px; padding-bottom: 104px; background: linear-gradient(#f3f5f7 0, #f8f9fa 640px, #fff 1060px); }
.brand-line { margin: 0; display: flex; align-items: center; gap: 16px; color: #505660; font: 700 .8125rem/1.5 Arial, sans-serif; letter-spacing: .2em; }
.brand-line::before { content: ""; width: 30px; height: 3px; background: var(--red); }
.dongle-inner { position: relative; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; min-height: 500px; gap: 20px; padding: 48px 0 28px; }
.dongle-copy { z-index: 1; }
.dongle-copy h1 { font-size: clamp(1.8rem, 3.05vw, 3rem); letter-spacing: -.055em; line-height: 1.48; margin: 0; font-weight: 800; }
.dongle-copy h1 .headline-line:last-child { color: var(--red); }
.dongle-name { margin: 32px 0 0; font-size: 1rem; color: #4b515a; }
.dongle-name strong { display: block; color: var(--ink); font: 500 clamp(2.7rem, 4.6vw, 4.5rem)/1.15 Arial, sans-serif; letter-spacing: -.035em; margin-top: 10px; }
.dongle-render { position: relative; isolation: isolate; }
.dongle-render::before { content: ""; position: absolute; z-index: -1; inset: 14% 5% 8%; border-radius: 50%; background: #e5e9ef; filter: blur(48px); }
.dongle-render img { width: 100%; height: auto; }
.dongle-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; border-top: 1px solid #bdc4ce; padding-top: 30px; align-items: start; }
.mini-points { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mini-points > span { font-size: .875rem; padding: 0 18px; border-left: 1px solid var(--line); line-height: 1.6; }
.mini-points > span:first-child { border-left: 0; padding-left: 0; }
.mini-points b { display: block; font-family: Arial, "Yu Gothic", sans-serif; font-size: clamp(1.5rem, 2.2vw, 2rem); font-weight: 500; line-height: 1.3; margin-bottom: 10px; white-space: nowrap; }
.network-note { color: var(--muted); font-size: .8125rem; line-height: 1.9; margin: 24px 0 0; }
.catalog-download { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 20px; background: #fff; padding: 25px; border: 1px solid var(--line); box-shadow: 0 12px 24px #17283a06; }
.catalog-download-info { display: flex; align-items: center; gap: 14px; }
.catalog-download-info p { margin: 0; }
.catalog-download-info strong { display: block; font-size: .9375rem; }
.catalog-download-info small { display: block; margin-top: 6px; color: var(--muted); font-size: .8125rem; line-height: 1.6; }
.pdf-badge { font: 700 .75rem/1 Arial, sans-serif; border: 1px solid var(--red); color: var(--red); width: 38px; height: 48px; display: grid; place-items: center; flex-shrink: 0; }
.catalog-download-button { min-height: 62px; display: grid; align-content: center; text-align: center; padding: 12px 18px; background: var(--red); color: #fff; line-height: 1.5; transition: background .2s; }
.catalog-download-button:hover { background: #b9000e; }
.catalog-download-button span { font-size: .875rem; font-weight: 700; }
.catalog-download-button small { display: block; margin-top: 4px; font-size: .75rem; }

/* Specifications and all supplied caveats stay expanded and readable. */
.specs { margin-top: 84px; border-top: 2px solid var(--ink); }
.specs-heading { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 30px 0; }
.specs-title { margin: 0; font-size: 1.5rem; }
.dongle-visual { width: 184px; flex: 0 0 184px; position: relative; }
.dongle-product-image { width: 100%; height: 100px; object-fit: cover; object-position: center 46%; border-radius: 2px; }
.dongle-visual p { text-align: right; color: var(--muted); font-size: .75rem; margin: 6px 0 0; line-height: 1.4; }
.specs dl, .portable-specs dl { margin: 0; border-top: 1px solid var(--line); }
.specs dl > div, .portable-specs dl > div { display: grid; grid-template-columns: 27% minmax(0,1fr); border-bottom: 1px solid var(--line); }
.specs dt, .specs dd, .portable-specs dt, .portable-specs dd { margin: 0; padding: 18px 24px; font-size: .9375rem; line-height: 1.8; overflow-wrap: anywhere; }
.specs dt { background: var(--soft); font-weight: 500; color: #464d58; }
.spec-note, .spec-change-note { font-size: .8125rem; line-height: 1.85; color: var(--muted); margin: 18px 0 0; }
.review-note { padding: 18px 22px; border-left: 3px solid #bd7600; background: #fff7e7; color: #715017; font-size: .875rem; margin: 28px 0; line-height: 1.9; }
.catalog-notes { padding: 28px 32px; background: var(--soft); margin-top: 24px; }
.catalog-notes h4 { margin: 0 0 14px; font-size: 1rem; }
.catalog-notes ul { margin: 0; padding-left: 1.25em; }
.catalog-notes li { color: #4d555f; font-size: .875rem; padding-left: .3em; line-height: 1.9; margin: 4px 0; overflow-wrap: anywhere; }

/* Portable system follows as a distinct, darker second product story. */
.hero { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 52px; padding: 110px max(var(--gutter), calc((100% - var(--content)) / 2)); background: var(--dark); color: #fff; }
.hero::before { content: ""; position: absolute; width: 72px; height: 5px; top: 0; left: max(var(--gutter), calc((100% - var(--content)) / 2)); background: var(--red); }
.hero-grid, .signal-ring { display: none; }
.hero h2 { margin: 0; font-size: clamp(2rem, 3.8vw, 3.5rem); letter-spacing: -.06em; line-height: 1.4; }
.hero h2 em { font-style: normal; text-decoration: underline; text-decoration-color: var(--red); text-decoration-thickness: 4px; text-underline-offset: 12px; }
.lead { font-size: 1.0625rem; line-height: 2; color: #d2d7df; margin: 32px 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; padding: 14px 25px; font-size: .9375rem; font-weight: 700; line-height: 1.6; transition: background .2s, transform .2s; text-align: center; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--red); color: #fff; }
.button.ghost { color: #fff; border: 1px solid #75808e; }
.button.ghost:hover { background: #313944; }
.development-note, .hero-caution { font-size: .8125rem; line-height: 1.8; color: #c0c8d2; margin: 24px 0 0; }
.hero-caution { margin-top: 8px; }
.hero-product { background: #fff; padding: 32px; position: relative; border-radius: 3px; }
.product-visual { padding: 10px 0 26px; }
.hero-product-image { width: 100%; height: auto; max-height: 440px; object-fit: contain; }
.image-badge { display: block; font-size: .75rem; color: #67707b; text-align: right; }
.scroll-cue { position: absolute; bottom: 32px; left: max(var(--gutter), calc((100% - var(--content)) / 2)); display: flex; align-items: center; gap: 12px; font: 400 .75rem Arial, sans-serif; letter-spacing: .12em; color: #a5afbc; }
.scroll-cue span { width: 36px; height: 1px; background: #a5afbc; }

.section-heading { max-width: 800px; margin-bottom: 54px; }
.section-heading h2, .system h2, .validation h2, .contact h2 { font-size: clamp(1.8rem, 3vw, 2.75rem); margin: 0; letter-spacing: -.045em; line-height: 1.5; }
.section-heading > p:last-child:not(.eyebrow) { color: var(--muted); margin: 26px 0 0; font-size: 1rem; line-height: 2; }
.mobile-break { display: none; }
.points-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 42px; }
.point-card { padding-top: 24px; border-top: 1px solid var(--line); }
.point-number { display: block; color: var(--red); font: 700 .8125rem/1.6 Arial, sans-serif; letter-spacing: .12em; }
.point-icon { display: none; }
.point-card h3 { font-size: 1.5rem; margin: 28px 0 16px; }
.point-card p { font-size: 1rem; color: var(--muted); line-height: 1.9; margin-bottom: 0; }

.system { background: #f2f4f6; }
.system-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 72px; align-items: center; }
.system .eyebrow { color: var(--red); }
.system h2 { font-size: clamp(1.8rem, 2.7vw, 2.5rem); }
.system-copy > p:not(.eyebrow) { margin: 28px 0; color: var(--muted); line-height: 1.9; }
.system-copy ul { list-style: none; margin: 32px 0 0; padding: 0; }
.system-copy li { display: grid; grid-template-columns: 96px minmax(0,1fr); gap: 24px; padding: 16px 0; border-top: 1px solid #d1d6dc; font-size: .9375rem; }
.system-copy li strong { font-weight: 700; }
.system-copy li span { color: var(--muted); }
.system-diagram { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); background: #fff; padding: 26px; border: 1px solid var(--line); gap: 12px; text-align: center; }
.diagram-node { border-bottom: 2px solid var(--red); padding: 15px 4px; }
.diagram-node b, .diagram-node span { display: block; }
.diagram-node b { font: 700 .875rem/1.5 Arial, sans-serif; }
.diagram-node span { font-size: .8125rem; margin-top: 8px; color: var(--muted); }
.diagram-line { display: none; }
.diagram-product-photo { grid-column: 1 / -1; max-height: 320px; width: 100%; object-fit: contain; margin-top: 24px; }
.diagram-caption { grid-column: 1 / -1; font-size: .875rem; margin: 10px 0; }
.portable-specs { margin-top: 64px; }
.portable-specs h3 { font-size: 1.25rem; padding: 0 0 24px; margin: 0; }
.portable-specs dt { font-weight: 500; }
.portable-specs dd { background: #ffffff80; }
.portable-specs > p { color: var(--muted); margin: 22px 0 0; font-size: .875rem; line-height: 1.9; }

/* Editorial use-case list, replacing the former illustrated tile grid. */
.scenes { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.scenes .section-heading { position: sticky; top: 132px; }
.scene-grid { border-top: 1px solid var(--ink); }
.scene-card { display: grid; grid-template-columns: 54px minmax(0,1fr); gap: 20px; padding: 32px 0; border-bottom: 1px solid var(--line); }
.scene-art span { color: #949ca7; font: 400 1.75rem/1.5 Arial, sans-serif; }
.scene-art i, .scene-art b { display: none; }
.scene-body > span { color: var(--red); font: 700 .75rem/1.6 Arial, sans-serif; letter-spacing: .12em; }
.scene-body h3 { font-size: 1.375rem; margin: 10px 0 14px; }
.scene-body p { color: var(--muted); font-size: 1rem; margin: 0; }

.validation { background: #f2f4f6; }
.validation-card { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; border-top: 3px solid var(--ink); padding-top: 48px; }
.validation .eyebrow { color: var(--red); }
.validation-card > div:last-child > p { color: var(--muted); line-height: 2; }
.validation-card ul { padding-left: 1.3em; margin: 24px 0 0; line-height: 2; font-size: .9375rem; }
.validation-card li { margin: 5px 0; padding-left: .2em; }
.contact { padding: 100px var(--gutter); text-align: center; background: var(--red); color: #fff; }
.contact h2 { max-width: 900px; margin: auto; }
.contact > p:not(.eyebrow) { margin: 28px 0; }
.contact .business-name { font-size: .9375rem; font-weight: 700; }
.button.white { background: #fff; color: #be0010; min-width: 288px; }
.button.white:hover { background: #fff0f1; }
.contact > span { display: block; font-size: .875rem; margin-top: 22px; overflow-wrap: anywhere; }
footer { padding: 28px 20px; text-align: center; background: #101216; color: #bac0c9; }
footer small { font-size: .75rem; letter-spacing: .04em; }
.lang-en .headline-line { display: inline; }
.lang-en .mini-points b { white-space: normal; overflow-wrap: anywhere; }
.lang-en h1, .lang-en h2 { letter-spacing: -.04em; overflow-wrap: anywhere; }
.lang-en .dongle-copy h1 { font-size: clamp(2rem, 3.3vw, 3.2rem); line-height: 1.2; }
.lang-en .dongle-copy h1 .headline-line:last-child { display: inline-block; margin-top: .16em; }

@media (max-width: 1100px) {
	.site-header { gap: 22px; grid-template-columns: 150px 1fr auto auto; }
	.brand { width: 150px; }
	.site-header nav { gap: 20px; }
	.catalog-download { grid-template-columns: 1fr; padding: 22px; }
	.dongle-inner { min-height: 450px; }
	.dongle-summary { gap: 36px; }
	.system-inner, .scenes { gap: 44px; }
	.points-grid { gap: 28px; }
	.hero { gap: 32px; }
}

@media (max-width: 800px) {
	html { scroll-padding-top: 132px; }
	.site-header { grid-template-columns: minmax(0,1fr) auto minmax(0,1fr); grid-template-rows: auto auto; gap: 0 12px; padding: 6px 20px 0; }
	.site-header .brand { grid-column: 2; grid-row: 1; width: 144px; }
	.lang-toggle { grid-column: 1; grid-row: 1; justify-self: start; padding: 8px 0; border: 0; }
	.header-cta { grid-column: 3; grid-row: 1; justify-self: end; padding: 8px 12px; font-size: .8125rem; }
	.site-header nav { grid-column: 1 / -1; grid-row: 2; justify-content: center; gap: 44px; border-top: 1px solid #e7e9ed; font-size: .8125rem; }
	.site-header nav a { padding: 8px 0; }
	.section-pad { padding-top: 72px; padding-bottom: 72px; }
	.dongle { padding-top: 24px; }
	.dongle-inner { grid-template-columns: 1fr; min-height: 0; padding: 46px 0 24px; gap: 20px; }
	.dongle-copy h1 { font-size: clamp(1.8rem, 5.4vw, 2.8rem); }
	.dongle-copy .eyebrow { margin-bottom: 20px; }
	.dongle-name { margin-top: 24px; }
	.dongle-name strong { font-size: 3rem; }
	.dongle-render { max-width: 660px; width: 100%; margin: 0 auto; }
	.dongle-render img { max-height: 430px; object-fit: contain; }
	.dongle-summary { grid-template-columns: 1fr; gap: 28px; }
	.mini-points b { font-size: 1.8rem; }
	.catalog-download { grid-template-columns: minmax(0,1fr) auto; }
	.specs { margin-top: 54px; }
	.specs dt, .specs dd, .portable-specs dt, .portable-specs dd { padding: 16px; }
	.hero { grid-template-columns: 1fr; padding: 72px var(--gutter) 88px; gap: 40px; }
	.hero h2 { font-size: clamp(2rem, 6vw, 3rem); }
	.hero-product { max-width: 580px; width: 100%; justify-self: center; }
	.points-grid { grid-template-columns: 1fr; gap: 32px; }
	.point-card h3 { margin-top: 16px; }
	.system-inner { grid-template-columns: 1fr; gap: 36px; }
	.system h2 { font-size: clamp(1.8rem, 5vw, 2.6rem); }
	.system-diagram { max-width: 580px; width: 100%; justify-self: center; }
	.scenes { grid-template-columns: 1fr; gap: 0; }
	.scenes .section-heading { position: static; }
	.validation-card { grid-template-columns: 1fr; gap: 28px; padding-top: 32px; }
	.contact { padding: 72px var(--gutter); }
	.lang-en .dongle-copy h1 { font-size: clamp(2rem, 6vw, 3rem); }
}

@media (max-width: 480px) {
	:root { --gutter: 20px; }
	.site-header { padding-left: 16px; padding-right: 16px; gap: 0 6px; }
	.site-header .brand { width: 112px; }
	.header-cta { padding: 8px; font-size: .75rem; }
	.lang-toggle { font-size: .8125rem; }
	.brand-line { font-size: .75rem; }
	.dongle-inner { padding-top: 36px; }
	.dongle-copy h1 { font-size: clamp(1.4rem, 6.85vw, 2rem); letter-spacing: -.04em; line-height: 1.6; }
	.dongle-name { font-size: .875rem; }
	.dongle-name strong { font-size: 2.65rem; }
	.dongle-render { margin-top: 8px; }
	.mini-points > span { font-size: .75rem; padding: 0 10px; }
	.mini-points b { font-size: clamp(1.125rem, 5vw, 1.5rem); }
	.catalog-download { grid-template-columns: 1fr; padding: 20px; }
	.catalog-download-button { min-height: 60px; }
	.specs-heading { align-items: start; gap: 16px; padding: 24px 0; }
	.specs-title { font-size: 1.125rem; }
	.dongle-visual { width: 116px; flex-basis: 116px; }
	.dongle-product-image { height: 84px; }
	.dongle-visual p { font-size: .75rem; }
	.specs dl > div, .portable-specs dl > div { grid-template-columns: 1fr; }
	.specs dt, .portable-specs dt { padding: 12px 14px 6px; background: var(--soft); font-size: .875rem; font-weight: 700; }
	.specs dd, .portable-specs dd { padding: 8px 14px 14px; font-size: .875rem; }
	.catalog-notes { padding: 22px 18px; }
	.review-note { padding: 16px; }
	.hero h2 { font-size: clamp(1.75rem, 7.2vw, 2.3rem); }
	.hero h2 em { text-decoration-thickness: 3px; text-underline-offset: 8px; }
	.hero-product { padding: 20px; }
	.hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
	.button { padding: 12px 14px; font-size: .875rem; }
	.section-heading h2, .system h2, .validation h2, .contact h2 { font-size: clamp(1.4rem, 6.2vw, 1.85rem); }
	.mobile-break { display: block; }
	.section-heading > p:last-child br { display: none; }
	.system-copy li { grid-template-columns: 80px minmax(0,1fr); gap: 16px; font-size: .875rem; }
	.system-diagram { padding: 16px; gap: 6px; }
	.diagram-node b { font-size: .8125rem; }
	.diagram-node span { font-size: .75rem; }
	.scene-card { grid-template-columns: 32px minmax(0,1fr); gap: 16px; }
	.scene-body h3 { font-size: 1.125rem; }
	.scene-art span { font-size: 1.375rem; }
	.button.white { width: 100%; min-width: 0; max-width: 360px; }
	.lang-en .dongle-copy h1 { font-size: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
	.site-header { position: static; }
	.site-header nav, .lang-toggle, .header-cta { display: none; }
	.section-pad, .hero, .contact { padding: 32px 0; }
	.hero, .contact { color: #17191d; background: white; }
	.lead, .development-note, .hero-caution { color: #505660; }
	.scenes .section-heading { position: static; }
	.specs dl > div, .portable-specs dl > div, .catalog-notes, .scene-card { break-inside: avoid; }
}