/* Public product pages: shared, scoped styles; no runtime CSS. */
.lc-page, .seo-page, .home-page { --product-blue: #0369a1; --product-ink: #0f172a; }
:is(.lc-page,.seo-page,.home-page) :is(a,button,summary,input,textarea,select):focus-visible { outline: 3px solid #0284c7; outline-offset: 5px; }
:is(.lc-page,.seo-page,.home-page) [id] { scroll-margin-top: 110px; }
.product-header { position: fixed; inset: 0 0 auto; z-index: 60; background: #fff; border-bottom: 1px solid #e2e8f0; }
.product-header-inner { max-width: 1152px; min-height: 76px; margin: auto; padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.product-identity { display: flex; align-items: center; gap: 20px; }
.product-brand { font-size: 22px; font-weight: 900; letter-spacing: -.05em; white-space: nowrap; }
.product-brand span { color: var(--product-blue); }
.product-current { padding-left: 20px; border-left: 1px solid #cbd5e1; font-size: 14px; font-weight: 800; white-space: nowrap; }
.product-nav { display: flex; align-items: center; gap: 24px; font-size: 14px; font-weight: 700; }
.product-nav a:hover, .product-menu a:hover { color: var(--product-blue); }
.product-menu { position: relative; }
.product-menu summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; gap: 8px; }
.product-menu summary::after { content: '⌄'; }
.product-menu summary::-webkit-details-marker { display: none; }
.product-menu nav { position: absolute; right: 0; top: 48px; width: 250px; padding: 12px; border: 1px solid #cbd5e1; border-radius: 12px; background: #fff; box-shadow: 0 12px 30px #0f172a14; }
.product-menu a { display: block; padding: 12px; }
.product-menu a[aria-current] { color: var(--product-blue); background: #f0f9ff; border-radius: 8px; }
.product-button { display: inline-flex; justify-content: center; align-items: center; gap: 10px; min-height: 48px; padding: 12px 24px; border: 1px solid #cbd5e1; border-radius: 10px; font-weight: 700; font-size: 15px; background: #fff; color: #0f172a; text-align: center; }
.product-button:hover { border-color: #0369a1; }
.product-button-primary { background: #0369a1; color: #fff; border-color: #0369a1; }
.product-button-primary:hover { background: #075985; color: #fff; }
.lc-shell { width: min(1152px, 100%); padding-inline: 24px; margin-inline: auto; }
.lc-hero { padding: 120px 0 48px; background: linear-gradient(120deg, #fff 15%, #f0f6fb 80%); border-bottom: 1px solid #dce5ef; }
.lc-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.lc-eyebrow { display: block; color: #0369a1; font-size: 13px; font-weight: 800; letter-spacing: .08em; margin-bottom: 20px; }
.lc-headline { display: block; font-size: clamp(30px, 3.5vw, 44px); line-height: 1.5; font-weight: 900; letter-spacing: -.045em; }
.lc-hero-copy > p { margin-top: 22px; color: #475569; font-size: 16px; line-height: 1.9; }
.lc-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.lc-hero-copy .lc-price-note { font-size: 14px; line-height: 1.8; }
.lc-price-note strong { color: #0f172a; font-size: 24px; }
.lc-price-note a { text-decoration: underline; text-underline-offset: 4px; }
.lc-ticket-wrap { position: relative; min-width: 0; }
.lc-workplace { position: relative; margin: 0; }
.lc-workplace img { display: block; width: 100%; height: auto; aspect-ratio: 8 / 5; object-fit: cover; object-position: 55% 0; border-radius: 24px 24px 6px 24px; background: #e5edf5; }
.lc-workplace figcaption { position: absolute; top: 12px; left: 12px; padding: 4px 9px; border-radius: 4px; background: #fffffff2; color: #475569; font-size: 10px; line-height: 1.7; }
.lc-ticket-topline { margin: 0 0 12px; display: flex; justify-content: space-between; gap: 8px; color: #475569; font-size: 11px; font-weight: 600; }
.lc-receipt { position: relative; width: calc(100% - 56px); max-width: 390px; margin: -60px 12px 0 auto; background: #fff; padding: 20px 24px; border: 1px solid #d4dfeb; border-top: 3px solid #0369a1; border-radius: 4px 4px 12px 12px; box-shadow: 0 16px 38px #14314d12; }
.lc-receipt-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid #e2e8f0; }
.lc-receipt-heading h2 { font-size: 18px; font-weight: 800; }
.lc-receipt-heading span { color: #075985; background: #e0f2fe; padding: 4px 10px; border-radius: 5px; font-size: 12px; font-weight: 700; }
.lc-receipt dl > div { display: grid; grid-template-columns: 84px minmax(0,1fr); gap: 10px; padding: 10px 0; border-bottom: 1px solid #e2e8f0; }
.lc-receipt dt { color: #475569; font-size: 12px; padding-top: 3px; }
.lc-receipt dd { color: #0f172a; font-size: 14px; font-weight: 700; line-height: 1.7; }
.lc-receipt dd small { display: block; font-size: 12px; color: #475569; font-weight: 500; }
.lc-receipt-note { font-size: 12px; line-height: 1.8; color: #475569; margin-top: 12px; }
.lc-demo { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; background: #0f172a; color: #fff; padding: 24px 28px; border-radius: 12px; margin-top: 36px; }
.lc-demo h2 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.lc-demo p { font-size: 13px; line-height: 1.8; color: #cbd5e1; max-width: 680px; }
.lc-demo a { color: #fff; font-size: 24px; font-weight: 800; white-space: nowrap; text-decoration: underline; text-underline-offset: 7px; }
.lc-flow-section { padding: 52px 0; background: #eaf3fa; border-bottom: 1px solid #dce5ef; }
.lc-flow-section h2 { font-size: 24px; font-weight: 800; }
.lc-flow { list-style: none; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin-top: 32px; gap: 32px; }
.lc-flow li { position: relative; }
.lc-flow-icon { display: block; width: 60px; height: 60px; padding: 10px; margin-bottom: 20px; fill: none; stroke: #0369a1; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; background: #fff; border-radius: 50%; }
.lc-flow li:not(:last-child)::after { content: '→'; position: absolute; right: -20px; top: 12px; color: #0369a1; font-size: 24px; }
.lc-flow span { font: 700 12px Inter, sans-serif; color: #0369a1; margin-right: 8px; }
.lc-flow strong { font-size: 16px; }
.lc-flow p { margin-top: 10px; color: #475569; font-size: 14px; line-height: 1.8; }
.lc-page .lc-card { box-shadow: none; transition: none; }
.lc-page .lc-card:hover { transform: none; box-shadow: none; }
.lc-features .lc-card { background: #fff; border: 0; border-top: 1px solid #cbd5e1; border-radius: 0; padding: 24px 0; }
.lc-features .grid { column-gap: 32px; row-gap: 0; }
.lc-page section:not(.lc-hero) h2 { line-height: 1.55; letter-spacing: -.025em; }
.lc-page #pricing .lc-card { border-radius: 14px; }
.lc-page #pricing .lc-terms { font-size: 14px; color: #475569; line-height: 1.9; background: #f8fafc; padding: 24px; border-radius: 12px; }
.lc-page .bg-brand-500, .seo-page .bg-brand-500 { background-color: #0369a1; }
.lc-page footer, .seo-page footer { padding-inline: 24px; line-height: 1.9; color: #cbd5e1; }
.product-sticky { padding-bottom: max(12px, env(safe-area-inset-bottom)); }
.service-guide { padding: 64px 0; background: #f1f6fa; border-block: 1px solid #e2e8f0; }
.service-guide-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 28px; }
.service-guide-heading h2 { font-size: 26px; font-weight: 800; color: #0f172a; }
.service-guide-heading p { font-size: 14px; color: #475569; }
.service-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.service-card { display: flex; flex-direction: column; background: #fff; border: 1px solid #dce5ef; border-radius: 16px; padding: 28px; }
.service-card-call { background: #0f172a; color: #fff; border-color: #0f172a; }
.service-card .service-kind { color: #0369a1; font-size: 12px; font-weight: 700; letter-spacing: .05em; margin-bottom: 14px; }
.service-card-call .service-kind { color: #7dd3fc; }
.service-card h3 { font-size: 24px; font-weight: 900; min-height: 62px; margin-bottom: 12px; }
.service-card h3 small { display: block; font-size: 13px; font-weight: 500; margin-top: 2px; }
.service-card .service-purpose { font-size: 16px; line-height: 1.7; font-weight: 700; margin-bottom: 10px; }
.service-card .service-description, .service-card .service-contract { color: #475569; font-size: 14px; line-height: 1.8; }
.service-card-call .service-description, .service-card-call .service-contract { color: #cbd5e1; }
.service-card .service-contract { margin-top: auto; padding-top: 18px; border-top: 1px solid #cbd5e1; }
.service-card-call .service-contract { border-color: #475569; }
.service-links { display: flex; flex-wrap: wrap; gap: 12px 20px; padding-top: 20px; }
.service-links a { font-size: 14px; font-weight: 700; text-decoration: underline; text-underline-offset: 5px; }
.service-card .service-description { margin-bottom: 22px; }
.service-experience { height: 144px; flex-shrink: 0; margin: 0 0 24px; padding: 16px; border-radius: 10px; background: #edf5fa; color: #0f172a; display: flex; align-items: center; justify-content: center; gap: 18px; }
.service-experience svg { width: 40px; height: 40px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.service-chat { flex-direction: column; align-items: stretch; gap: 8px; }
.service-chat > span { width: fit-content; max-width: 100%; font-size: 12px; line-height: 1.6; padding: 8px 10px; }
.service-chat-question { align-self: flex-end; background: #d9eaf5; border-radius: 9px 9px 2px 9px; }
.service-chat-answer { display: flex; align-items: center; gap: 6px; background: #fff; border-radius: 9px 9px 9px 2px; }
.service-chat-answer svg { width: 18px; height: 18px; flex-shrink: 0; color: #0369a1; }
.service-chat > small { color: #475569; font-size: 10px; }
.service-call { background: #1e334c; color: #bae6fd; }
.service-visual-node { display: grid; justify-items: center; gap: 6px; }
.service-visual-node small { font-size: 11px; font-weight: 700; }
.service-visual-arrow { color: #0369a1; font-size: 24px; }
.service-call .service-visual-arrow { color: #7dd3fc; }
.service-mini-sheet { display: flex; flex-direction: column; width: 90px; min-height: 96px; gap: 6px; padding: 10px 12px; border: 1px solid #ccdeeb; border-radius: 4px; background: #fff; color: #334155; box-shadow: 4px 4px 0 #c9dce933; }
.service-mini-sheet strong { color: #0369a1; font-size: 12px; padding-bottom: 4px; border-bottom: 1px solid #dce5ef; }
.service-mini-sheet span { font-size: 10px; }
.service-mini-sheet i { display: block; height: 4px; width: 100%; background: #dce5ef; border-radius: 2px; }
.service-mini-sheet i:last-child { width: 65%; }
.home-page .home-hero-visual { height: 580px; }
.home-page .home-hero-visual .browser-mockup { transform: none; }
.home-page .home-hero-visual .iphone-mockup { transform: none; }
.home-page .home-hero-visual .chat-ui-body { overflow-y: auto; }
.home-page #hero-webgl { opacity: .16 !important; }
.home-page .hero-swap-item { transform: none; filter: none; will-change: opacity; }
.home-page .swap-text-1 { animation: product-copy-first 12s steps(1,end) infinite; }
.home-page .swap-text-2 { animation: product-copy-second 12s steps(1,end) infinite; }
@keyframes product-copy-first { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes product-copy-second { 0%, 100% { opacity: 0; } 50% { opacity: 1; } }
.home-page .sample-label { display: block; font-size: 12px; color: #475569; font-weight: 600; line-height: 1.7; }
.home-page .home-plan-note { font-size: 13px; color: #475569; line-height: 1.8; max-width: 540px; margin-top: 18px; }
.home-page .platform-detail { padding-block: 40px; }
.home-page .platform-detail h2 { font-size: 24px; margin-bottom: 12px; }
.home-page .platform-detail > div > div { margin-bottom: 24px; }
.home-page #header nav { gap: 20px; }
.home-page #header .group:focus-within > .absolute { opacity: 1; visibility: visible; }
.home-page .faq-question { width: 100%; text-align: left; gap: 16px; }
.home-page .faq-question .faq-icon { flex-shrink: 0; }
.seo-page #pricing > div > div:first-child p { line-height: 1.8; }
.seo-page .seo-registration-note { color: #cbd5e1; font-size: 14px; line-height: 1.8; margin-top: 24px; }
@media (max-width: 1023px) {
  .lc-hero-grid { gap: 28px; }
  .lc-headline { font-size: 34px; }
  .service-card { padding: 22px; }
}
@media (max-width: 767px) {
  .lc-page, .seo-page { padding-bottom: calc(88px + env(safe-area-inset-bottom)); }
  .product-header-inner { min-height: 68px; padding: 10px 16px; gap: 12px; }
  .product-identity { gap: 10px; }
  .product-brand { font-size: 20px; }
  .product-current { padding-left: 10px; font-size: 12px; }
  .product-nav { gap: 12px; font-size: 13px; }
  .product-nav > a { display: none; }
  .lc-shell { padding-inline: 20px; }
  .lc-hero { padding: 102px 0 32px; }
  .lc-hero-grid { grid-template-columns: 1fr; gap: 16px; }
  .lc-hero-copy { display: contents; }
  .lc-headline { font-size: clamp(27px,7.3vw,34px); }
  .lc-eyebrow { font-size: 12px; margin-bottom: 14px; }
  .lc-hero-copy > p { font-size: 14px; margin-top: 0; }
  .lc-actions { margin-top: 0; gap: 10px; order: 1; }
  .lc-ticket-wrap { order: 2; }
  .lc-hero-copy .lc-price-note { order: 3; margin-top: 8px; }
  .lc-actions a { flex: 1; padding-inline: 10px; font-size: 14px; }
  .lc-workplace img { aspect-ratio: 7 / 5; object-position: 57% 38%; border-radius: 16px; }
  .lc-receipt { width: calc(100% - 16px); max-width: none; margin: -30px 0 0 auto; padding: 16px; }
  .lc-receipt dl > div { padding: 10px 0; }
  .lc-receipt dl > div { display: grid; grid-template-columns: 72px minmax(0,1fr); gap: 8px; }
  .lc-receipt dt { padding-top: 3px; margin: 0; }
  .lc-receipt dd { font-size: 14px; }
  .lc-demo { grid-template-columns: 1fr; padding: 22px; gap: 16px; margin-top: 22px; }
  .lc-demo a { font-size: 23px; }
  .lc-flow-section { padding-block: 36px; }
  .lc-flow { grid-template-columns: 1fr; gap: 24px; margin-top: 24px; }
  .lc-flow li { display: grid; grid-template-columns: 52px minmax(0,1fr); gap: 16px; }
  .lc-flow-icon { width: 52px; height: 52px; margin: 0; }
  .lc-flow li:not(:last-child)::after { content: ''; left: 25px; top: 60px; bottom: -16px; right: auto; width: 1px; background: #94bad1; }
  .lc-flow p { margin-top: 5px; }
  .service-guide { padding-block: 36px; }
  .service-guide-heading { display: block; }
  .service-guide-heading h2 { font-size: 23px; margin-bottom: 12px; }
  .service-grid { grid-template-columns: 1fr; gap: 16px; }
  .service-card { padding: 24px; }
  .service-card h3 { min-height: 0; }
  .service-experience { margin-bottom: 20px; }
  .home-page .home-hero-visual { display: none; }
  .home-page { padding-bottom: calc(100px + env(safe-area-inset-bottom)); }
  .home-page .sticky-cta-bar { bottom: max(12px, env(safe-area-inset-bottom)); }
  .seo-page h1 > .block { font-size: clamp(26px, 7vw, 34px); line-height: 1.6; }
  .seo-page .product-sticky { align-items: center; gap: 10px; }
  .seo-page .product-sticky a { white-space: normal; padding: 10px 14px; border-radius: 10px; background: #0369a1; font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  :is(.lc-page,.seo-page,.home-page), :is(.lc-page,.seo-page,.home-page) * { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}
