:root {
  color-scheme: light;
  --color-bg: #ffffff;
  --color-surface: #f5f5f5;
  --color-frame: #ededed;
  --color-frame-alt: #f0f0f0;
  --color-text: #171717;
  --color-muted: #606060;
  --color-accent: #171717;
  --color-ink: #ffffff;
  --color-line: #d5d5d5;
  --color-control-border: #858585;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --space-1: .5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-section: clamp(4.5rem, 9vw, 8rem);
  --gutter: clamp(1.25rem, 4.6vw, 4.5rem);
  --content-max: 1320px;
  --header-height: 78px;
  --motion-fast: 180ms;
  --radius-control: 999px;
  --radius-media: 12px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body { margin: 0; background: var(--color-bg); color: var(--color-text); font: 400 1rem/1.65 var(--font-body); -webkit-font-smoothing: antialiased; }
body, button, a { -webkit-tap-highlight-color: transparent; }
::selection { color: var(--color-ink); background: var(--color-accent); }
h1, h2, h3, p, figure, dl, dd { margin: 0; }
h1, h2 { font-weight: 500; letter-spacing: -.052em; line-height: 1.07; text-wrap: balance; }
h2 { font-size: clamp(2.15rem, 4vw, 3.65rem); }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
button, a { touch-action: manipulation; }
img, video { display: block; max-width: 100%; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 6px; }
main:focus { outline: none; }
.wrap { width: calc(100% - 2 * var(--gutter)); max-width: var(--content-max); margin-inline: auto; }
.section-space { padding-block: var(--space-section); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 20; top: 12px; left: 12px; padding: 12px 20px; background: var(--color-accent); color: var(--color-ink); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.eyebrow { font: 500 .69rem/1.5 var(--font-mono); letter-spacing: .13em; text-transform: uppercase; color: var(--color-muted); }
.accent { color: var(--color-accent); }
.status-dot { display: inline-block; width: 6px; height: 6px; background: var(--color-accent); border-radius: 50%; margin-right: 8px; vertical-align: 2px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; padding: 14px 25px; font-size: .91rem; font-weight: 500; border: 1px solid transparent; border-radius: var(--radius-control); line-height: 1.45; transition: background var(--motion-fast), border-color var(--motion-fast); }
.button > [aria-hidden] { font-size: 1.2rem; }
.button-primary { background: var(--color-accent); color: var(--color-ink); }
.button-primary:hover { background: #333333; }
.button-primary:focus-visible { outline-color: var(--color-text); }
.button-outline { border-color: var(--color-control-border); background: transparent; }
.button-outline:hover { background: var(--color-frame); border-color: var(--color-accent); }
.small-note { color: var(--color-muted); font-size: .75rem; line-height: 1.65; }
.site-header { position: sticky; top: 0; z-index: 10; background: var(--color-bg); border-bottom: 1px solid var(--color-line); }
.header-inner { min-height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; padding-block: 12px; }
.brand { display: grid; grid-template-columns: 90px 1px 76px; align-items: center; gap: 5px 12px; }
.brand-divider { height: 26px; width: 1px; background: var(--color-control-border); }
.asset { position: relative; isolation: isolate; }
.logo { display: grid; place-items: center; background: var(--color-surface); border: 1px dashed var(--color-control-border); flex: none; }
.logo-ikawa { width: 90px; aspect-ratio: 3 / 1; }
.logo-pcc { width: 76px; aspect-ratio: 2 / 1; }
.logo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.logo-ikawa img { filter: brightness(0); }
.logo.is-loaded { border-color: transparent; background: transparent; }
.placeholder-label { text-align: center; font-family: var(--font-mono); font-size: .71rem; line-height: 1.7; color: var(--color-muted); }
.logo .placeholder-label { font-size: .51rem; line-height: 1.35; letter-spacing: 0; }
.distributor { grid-column: 1 / -1; font-size: .6rem; line-height: 1.2; color: var(--color-muted); text-align: center; }
.menu-toggle { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--color-control-border); border-radius: var(--radius-control); background: transparent; flex: none; }
.menu-icon { width: 18px; display: grid; gap: 5px; }
.menu-icon span { display: block; height: 1px; background: currentColor; transition: transform var(--motion-fast); }
.menu-toggle[aria-expanded="true"] .menu-icon span:first-child { transform: translateY(3px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-icon span:last-child { transform: translateY(-3px) rotate(-45deg); }
.main-nav { flex-basis: 100%; display: grid; gap: 0; }
.main-nav a { padding: 12px 0; font-size: .875rem; }
.main-nav a:hover, .main-nav a[aria-current="location"] { color: var(--color-accent); }
.nav-contact { display: flex; justify-content: space-between; gap: 12px; }
.js .main-nav:not(.is-open) { display: none; }
.hero { padding-top: 50px; }
.hero-copy { position: relative; z-index: 2; pointer-events: none; }
.hero-copy a { pointer-events: auto; }
.hero h1 { font-size: clamp(3.2rem, 9.2vw, 8.25rem); margin-block: 24px; }
.hero-description { max-width: 390px; color: var(--color-muted); font-size: 1rem; line-height: 1.75; margin-bottom: 28px; }
.hero-film { aspect-ratio: 16 / 9; background: var(--color-frame); margin-top: 42px; overflow: hidden; border-radius: var(--radius-media); }
.hero-film video, .film-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -1; }
.film-poster { filter: grayscale(1); }
.youtube-background { position: absolute; z-index: 0; inset: 0; pointer-events: none; filter: grayscale(1); }
.youtube-background iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-control { position: absolute; z-index: 3; right: 18px; bottom: 18px; width: 44px; height: 44px; border: 1px solid var(--color-control-border); border-radius: 50%; background: var(--color-bg); color: var(--color-text); display: grid; place-items: center; font-size: .85rem; }
.video-control:hover { background: #ededed; }
.hero-film video { z-index: 0; }
.frame-corner { position: absolute; width: 12px; height: 12px; border-color: var(--color-control-border); border-style: solid; }
.corner-tl { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.corner-br { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }
.hero-baseline { display: flex; justify-content: space-between; gap: 12px; padding-top: 20px; color: var(--color-muted); font-size: .68rem; }
.hero-baseline > span { display: none; }
.hero-baseline a:hover { color: var(--color-text); }
.hero-baseline a span { padding-left: 16px; }
.section-heading { margin-bottom: 32px; }
.section-heading .eyebrow, .product-copy > .eyebrow { margin-bottom: 20px; }
.path-grid { display: grid; }
.path-link { display: flex; flex-direction: column; gap: 8px; border-top: 1px solid var(--color-control-border); padding: 24px 0; transition: background var(--motion-fast); }
.path-link:hover { background: var(--color-surface); }
.path-number { color: var(--color-muted); font: .65rem/1.5 var(--font-mono); letter-spacing: .08em; margin-bottom: 10px; }
.path-title { display: flex; justify-content: space-between; gap: 18px; font-size: clamp(1.3rem, 2.2vw, 1.9rem); line-height: 1.3; letter-spacing: -.035em; }
.path-title > span { color: var(--color-accent); font-size: 1.5rem; }
.path-description { font-size: .875rem; color: var(--color-muted); }
.path-model { color: var(--color-accent); font-size: .75rem; margin-top: 12px; }
.inline-status { color: var(--color-muted); }
.product-section { display: grid; gap: 42px; border-top: 1px solid var(--color-line); }
.product-copy { align-self: center; min-width: 0; }
.product-copy h2 { margin-bottom: 26px; }
.product-name { color: var(--color-accent); font: 400 1.1rem/1.5 var(--font-body); margin-bottom: 20px; }
.product-copy > p:not(.eyebrow):not(.product-name):not(.small-note) { color: var(--color-muted); font-size: .94rem; margin-bottom: 16px; }
.product-copy > .small-note { margin-top: 14px; max-width: 365px; }
.specs { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin: 30px 0; padding-block: 20px; border-block: 1px solid var(--color-line); }
.specs dt { color: var(--color-muted); font: .64rem/1.5 var(--font-mono); text-transform: uppercase; letter-spacing: .06em; }
.specs dd { font-size: 2rem; font-weight: 300; line-height: 1.4; letter-spacing: -.04em; margin-top: 6px; }
.specs dd span { font-size: 1.05rem; }
.specs .spec-app { font-size: 1.75rem; }
.product-frame { aspect-ratio: 4 / 5; background: var(--color-frame); border-radius: var(--radius-media); overflow: hidden; }
.go-frame { background: var(--color-frame-alt); }
.product-frame img { position: absolute; width: 100%; height: 100%; inset: 0; object-fit: contain; padding: clamp(12px, 3vw, 40px); mix-blend-mode: multiply; }
.product-placeholder { position: absolute; inset: 15%; border: 1px solid var(--color-line); display: grid; place-items: center; padding: 24px; }
.product-placeholder .placeholder-label { max-width: 255px; }
.frame-topline, .frame-bottomline { position: absolute; left: 24px; right: 24px; display: flex; justify-content: space-between; color: var(--color-muted); font: .62rem/1.5 var(--font-mono); letter-spacing: .07em; }
.frame-topline { top: 24px; }
.frame-bottomline { bottom: 24px; font-size: .54rem; }
.product-frame.is-loaded .product-placeholder, .product-frame.is-loaded .frame-topline, .product-frame.is-loaded .frame-bottomline { display: none; }
.product-visual figcaption { color: var(--color-muted); font-size: .71rem; margin-top: 14px; }
.section-kicker { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; }
.badge { border: 1px solid var(--color-control-border); border-radius: var(--radius-control); padding: 4px 10px; color: var(--color-accent); font: .62rem/1.5 var(--font-mono); }
.feature-list { padding: 0; margin: 24px 0 32px; list-style: none; }
.feature-list li { padding: 12px 0 12px 23px; border-bottom: 1px solid var(--color-line); color: var(--color-muted); font-size: .85rem; position: relative; }
.feature-list li::before { content: "+"; position: absolute; left: 0; color: var(--color-accent); }
.contact-section { --color-surface: #171717; --color-text: #ffffff; --color-muted: #bfbfbf; --color-accent: #ffffff; --color-ink: #171717; --color-control-border: #858585; --color-frame: #292929; --color-line: #353535; background: var(--color-surface); color: var(--color-text); border-block: 1px solid var(--color-line); }
.contact-section .button-primary:hover { background: #e5e5e5; }
.contact-inner { display: grid; gap: 36px; padding-block: var(--space-section); }
.contact-inner .eyebrow { margin-bottom: 24px; }
.contact-inner h2 { font-size: clamp(2.6rem, 5.2vw, 4.5rem); }
.contact-actions { display: grid; gap: 12px; align-content: center; min-width: 0; }
.contact-actions > p:first-child { color: var(--color-muted); font-size: .95rem; margin-bottom: 15px; }
.email-link { color: var(--color-accent); text-decoration: underline; text-underline-offset: 5px; font-size: .82rem; margin-top: 16px; overflow-wrap: anywhere; }
.contact-actions .small-note { font-size: .7rem; }
.footer-main { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; padding-block: 48px; }
.footer-brand { display: flex; gap: 18px; align-items: center; }
.footer-mark { width: 72px; aspect-ratio: 1; }
.footer-logo { width: 112px; aspect-ratio: 2; }
.footer-brand p { margin-top: 12px; font-size: .69rem; color: var(--color-muted); }
.footer-links { display: flex; flex-direction: column; gap: 0; width: 100%; }
.footer-links a { display: flex; justify-content: space-between; gap: 36px; font-size: .82rem; padding-block: 10px; min-height: 44px; }
.footer-links a:hover, .legal-links a:hover { color: var(--color-accent); }
.footer-bottom { border-top: 1px solid var(--color-line); padding-block: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; column-gap: 32px; color: var(--color-muted); font-size: .65rem; }
.footer-bottom > p { padding-block: 12px; }
.legal-links { display: flex; flex-wrap: wrap; gap: 0 18px; }
.legal-links a { display: inline-flex; align-items: center; min-height: 44px; }
.legal-section { padding-bottom: 32px; }
.legal-section h2 { color: var(--color-muted); font-size: .7rem; letter-spacing: 0; line-height: 1.7; margin-bottom: 14px; }
.legal-section h2 span { font-weight: 400; }
.legal-grid { display: grid; column-gap: 32px; }
.legal-grid details { border-top: 1px solid var(--color-line); align-self: start; min-width: 0; }
.legal-grid summary { cursor: pointer; padding: 14px 0; font-size: .72rem; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.legal-grid summary::-webkit-details-marker { display: none; }
.legal-grid details[open] summary > span { transform: rotate(45deg); }
.legal-copy { font-size: .77rem; color: var(--color-muted); padding: 0 0 18px; overflow-wrap: anywhere; }
.legal-copy p + p { margin-top: 12px; }
.legal-copy a { text-decoration: underline; text-underline-offset: 3px; }
@media (min-width: 600px) {
  .brand { display: flex; gap: 12px; }
  .distributor { max-width: 80px; font-size: .67rem; line-height: 1.5; text-align: left; }
  .hero-baseline > span { display: inline; }
  .path-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .path-link { padding-block: 28px; }
  .footer-links { width: auto; min-width: 215px; }
  .legal-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  :root { --header-height: 86px; }
  .header-inner { flex-wrap: nowrap; }
  .brand { gap: 18px; }
  .logo-ikawa { width: 108px; }
  .logo-pcc { width: 84px; }
  .menu-toggle { display: none; }
  .main-nav, .js .main-nav:not(.is-open) { flex-basis: auto; display: flex; gap: 30px; align-items: center; }
  .nav-contact { padding: 9px 16px !important; border: 1px solid var(--color-control-border); border-radius: var(--radius-control); }
  .hero { display: grid; grid-template-columns: 1fr; padding-top: 26px; }
  .hero-copy { grid-area: 1 / 1; align-self: center; padding: 35px 0; width: 63%; }
  .hero h1 { font-size: clamp(4.2rem, 7.5vw, 7rem); margin-block: 28px; }
  .hero-description { max-width: 385px; font-size: .98rem; }
  .hero-film { grid-area: 1 / 1; margin-top: 0; width: 100%; background: var(--color-surface); }
  .hero-film::after { content: ""; position: absolute; z-index: 1; inset: 0 47% 0 0; background: var(--color-bg); }
  .hero-baseline { grid-area: 2 / 1; font-size: .7rem; }
  .section-heading { display: grid; grid-template-columns: 1fr 2fr; align-items: start; gap: 40px; margin-bottom: 44px; }
  .section-heading .eyebrow { padding-top: 10px; }
  .section-heading h2 { font-size: clamp(2.3rem, 3.5vw, 3.4rem); }
  .path-grid { gap: 56px; }
  .product-section { grid-template-columns: 1fr 1fr; gap: clamp(55px, 8vw, 115px); }
  .product-copy h2 { font-size: clamp(2.25rem, 3.65vw, 3.4rem); }
  .product-reverse .product-copy { grid-column: 2; grid-row: 1; }
  .product-reverse .product-visual { grid-column: 1; grid-row: 1; }
  .product-visual { align-self: center; }
  .contact-inner { grid-template-columns: 1.5fr 1fr; gap: 85px; }
  .footer-main { padding-block: 60px; }
}
@media (prefers-reduced-motion: no-preference) {
  .reveal { transition: opacity 280ms ease, transform 280ms ease; }
  .reveal.is-pending { opacity: 0; transform: translateY(12px); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .hero-film video { display: none !important; }
}
@media (forced-colors: active) {
  .button, .menu-toggle, .badge { border: 1px solid ButtonText; }
  .status-dot { background: CanvasText; }
}