:root {
  color-scheme: dark;
  --ink: #f7f5ee;
  --muted: #a7abb8;
  --night: #080b12;
  --panel: #101620;
  --line: rgba(255,255,255,.14);
  --orange: #ff5a24;
  --gold: #ffb31a;
  --cyan: #66e8f2;
  --shell: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--night); color: var(--ink); font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", system-ui, sans-serif; line-height: 1.8; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }

.site-header { position: sticky; z-index: 20; top: 0; display: flex; align-items: center; justify-content: space-between; min-height: 76px; padding: 0 max(24px, calc((100vw - 1180px)/2)); border-bottom: 1px solid var(--line); background: rgba(8,11,18,.9); backdrop-filter: blur(16px); }
.brand { display: flex; gap: 12px; align-items: center; color: var(--ink); font-weight: 900; letter-spacing: .12em; text-decoration: none; }
.brand-mark { display: grid; width: 38px; height: 38px; place-items: center; background: linear-gradient(135deg,var(--orange),var(--gold)); color: #080b12; font-size: .72rem; transform: skew(-8deg); }
.global-nav { display: flex; gap: 28px; align-items: center; }
.global-nav a { color: #d9dbe2; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-decoration: none; }
.global-nav a:hover, .global-nav a:focus-visible { color: var(--cyan); }
.global-nav .social-link { display: inline-flex; align-items: center; gap: 7px; }
.social-link svg { width: 15px; height: 15px; fill: currentColor; }
.menu-toggle { display: none; border: 1px solid var(--line); background: transparent; color: var(--ink); padding: 8px 12px; font: inherit; }

.hero { display: grid; min-height: calc(100vh - 76px); grid-template-columns: .88fr 1.12fr; overflow: hidden; }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: 80px clamp(24px,6vw,104px); background: radial-gradient(circle at 20% 20%,#251e32 0,transparent 46%); }
.eyebrow { margin: 0 0 18px; color: var(--cyan); font-size: .7rem; font-weight: 900; letter-spacing: .22em; }
.hero h1 { margin: 0; color: var(--orange); font-size: clamp(3rem,6.5vw,6.8rem); line-height: .98; letter-spacing: -.07em; }
.hero-mobile-video-link { display: none; }
.hero-lead { max-width: 560px; margin: 30px 0 0; color: #c2c5ce; font-size: clamp(1rem,1.4vw,1.2rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.button { min-width: 156px; padding: 13px 20px; text-align: center; text-decoration: none; font-weight: 800; }
.button-primary { background: var(--orange); color: white; }
.button-ghost { border: 1px solid var(--line); }
.hero-visual { position: relative; display: grid; min-height: 560px; place-items: center; overflow: hidden; background: #111722; }
.hero-grid { position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px); background-size: 44px 44px; transform: perspective(500px) rotateX(55deg) scale(1.5); transform-origin: bottom; }
.hero-visual::before { position: absolute; width: 70%; aspect-ratio: 1; border: 1px solid rgba(102,232,242,.3); border-radius: 50%; content: ""; box-shadow: 0 0 100px rgba(102,232,242,.13); }
.hero-video { position: relative; z-index: 2; width: min(88%, 820px); aspect-ratio: 16 / 9; border: 1px solid rgba(255,255,255,.2); background: #000; box-shadow: 0 30px 70px rgba(0,0,0,.55); }
.hero-video iframe { display: block; width: 100%; height: 100%; border: 0; }
.hero-caption { position: absolute; z-index: 3; right: 24px; bottom: 18px; left: 24px; display: flex; justify-content: space-between; margin: 0; color: var(--muted); font: 700 .65rem/1.3 monospace; letter-spacing: .12em; }

.section-shell { width: var(--shell); margin-inline: auto; padding-block: 120px; }
.about { display: grid; grid-template-columns: .85fr 1.15fr; gap: 10vw; }
.about h2, .section-heading h2, .history-copy h2, .page-hero h1 { margin: 0; font-size: clamp(2.4rem,5vw,5rem); line-height: 1.08; letter-spacing: -.05em; }
.about-copy > p { margin-top: 0; color: #c8cbd3; font-size: 1.1rem; }
.facts { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 44px; }
.facts div { padding: 20px 0; border-top: 2px solid var(--orange); }
.facts dt { font-size: 1.8rem; font-weight: 900; }
.facts dd { margin: 2px 0 0; color: var(--muted); font-size: .72rem; }

.robots { border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 50px; }
.text-link { color: var(--cyan); font-size: .8rem; font-weight: 800; text-decoration: none; }
.robot-grid { display: grid; grid-template-columns: repeat(12,1fr); gap: 18px; }
.robot-card { grid-column: span 4; min-height: 480px; background: var(--panel); }
.robot-card-featured { grid-column: span 8; }
.robot-card a { display: grid; height: 100%; grid-template-rows: minmax(0,1fr) auto; color: var(--ink); text-decoration: none; }
.robot-card img { width: 100%; height: 340px; object-fit: cover; object-position: top center; filter: saturate(.84) contrast(1.06); transition: .35s ease; }
.robot-card-featured img { height: 480px; }
.robot-card:hover img { filter: saturate(1.1) contrast(1.08); transform: scale(1.015); }
.robot-card div { padding: 22px 24px 26px; border-top: 3px solid var(--orange); }
.robot-card span { color: var(--muted); font: 700 .66rem monospace; letter-spacing: .12em; }
.robot-card h3 { margin: 5px 0 0; font-size: 1.5rem; line-height: 1.2; }
.robot-card p { margin: 8px 0 0; color: var(--muted); font-size: .86rem; }
.lineup-list { margin-top: 30px; border: 1px solid var(--line); }
.lineup-list summary { cursor: pointer; padding: 18px 22px; font-weight: 800; }
.link-cloud { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 22px 24px; }
.link-cloud a { border: 1px solid var(--line); padding: 7px 12px; color: #d8dae1; font-size: .78rem; text-decoration: none; }

.history-band { background: #eae7de; color: #151515; }
.history-inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; align-items: center; }
.history-image { position: relative; }
.history-image::after { position: absolute; inset: 18px -18px -18px 18px; z-index: 0; border: 2px solid var(--orange); content: ""; }
.history-image img { position: relative; z-index: 1; width: 100%; aspect-ratio: 4/5; object-fit: cover; image-rendering: auto; }
.history-copy .eyebrow { color: #bb310c; }
.history-copy > p:not(.eyebrow) { max-width: 640px; color: #4e4d49; }
.history-links { margin-top: 40px; border-top: 1px solid #bab7af; }
.history-links a { display: grid; grid-template-columns: 150px 1fr; padding: 16px 0; border-bottom: 1px solid #bab7af; text-decoration: none; }
.history-links span { color: #66645f; }

.archive-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.archive-grid article { padding: 30px; border: 1px solid var(--line); background: linear-gradient(145deg,#111722,#0b0e15); }
.archive-grid article > span { color: var(--orange); font: 800 1.8rem monospace; }
.archive-grid h3 { margin: 18px 0 4px; font-size: 1.4rem; }
.archive-grid p { color: var(--muted); font-size: .86rem; }
.archive-grid ul { padding: 0; list-style: none; }
.archive-grid li { border-top: 1px solid var(--line); }
.archive-grid li:last-child { border-bottom: 1px solid var(--line); }
.archive-grid a { display: block; padding: 10px 0; color: #dfe1e7; font-size: .82rem; text-decoration: none; }
.archive-grid a:hover { color: var(--cyan); }

.page-hero { width: var(--shell); margin: 0 auto; padding: 94px 0 56px; border-bottom: 1px solid var(--line); }
.page-hero > p:last-child { color: var(--muted); }
.history-nav-shell { width: min(880px,calc(100% - 40px)); margin: 0 auto; padding: 44px 0 0; }
.history-nav-shell h2 { margin: 0 0 20px; font-size: clamp(1.6rem,3vw,2.4rem); }
.year-nav { display: grid; grid-template-columns: repeat(9,1fr); border: 1px solid var(--line); }
.year-nav a { padding: 12px 6px; border-right: 1px solid var(--line); color: #dfe1e7; text-align: center; text-decoration: none; font: 800 .78rem/1.2 monospace; }
.year-nav a:last-child { border-right: 0; }
.year-nav a:hover, .year-nav a:focus-visible, .year-nav a[aria-current="page"] { background: var(--orange); color: #fff; }
.legacy-content { width: min(880px,calc(100% - 40px)); margin: 0 auto; padding: 60px 0 120px; overflow-wrap: anywhere; }
.legacy-content .legacy-grid, .legacy-content .legacy-body, .legacy-content .legacy-row { display: block; }
.legacy-content .legacy-cell { display: block; margin: 0 0 18px; padding: 0; background: transparent !important; }
.legacy-content p { margin: 0 0 1.15rem; }
.legacy-content img { max-width: 100%; margin: 18px auto; border-radius: 3px; }
.legacy-content a { color: var(--cyan); }
.legacy-content center { text-align: left; }
.legacy-content marquee { display: block; overflow: visible; white-space: normal; }
.unavailable-link { color: var(--muted); text-decoration: none; cursor: default; }

.site-footer { display: flex; width: var(--shell); justify-content: space-between; gap: 30px; margin: 0 auto; padding: 38px 0 54px; border-top: 1px solid var(--line); color: var(--muted); font-size: .76rem; }
.site-footer strong { color: var(--ink); letter-spacing: .14em; }

.social-activity { padding-top: 70px; padding-bottom: 90px; }
.social-activity .section-heading h2 { font-size: clamp(2rem,4vw,3.6rem); }
.activity-list { border-top: 1px solid var(--line); }
.activity-entry { display: grid; grid-template-columns: 150px 1fr; gap: 34px; padding: 32px 0; border-bottom: 1px solid var(--line); }
.activity-entry time { color: var(--cyan); font: 800 .78rem/1.8 monospace; letter-spacing: .08em; }
.activity-entry h3 { margin: 0 0 8px; font-size: 1.25rem; }
.activity-entry p { max-width: 760px; margin: 0 0 12px; color: #c8cbd3; }
.activity-entry a { color: var(--cyan); font-size: .78rem; font-weight: 800; text-decoration: none; }

.contact-shell { width: var(--shell); margin: 0 auto; padding: 70px 0 120px; }
.contact-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(40px,8vw,110px); padding: clamp(28px,5vw,64px); border: 1px solid var(--line); background: var(--panel); }
.contact-panel h2 { margin: 0; font-size: clamp(2rem,4vw,3.6rem); line-height: 1.1; }
.contact-copy > p:first-child { margin-top: 0; }
.contact-note { color: var(--muted); font-size: .82rem; }

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .global-nav { position: absolute; top: 76px; right: 0; left: 0; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 10px 20px 20px; border-bottom: 1px solid var(--line); background: #0b0f17; }
  .global-nav.is-open { display: flex; }
  .global-nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .hero { min-height: 0; grid-template-columns: 1fr; }
  .hero-copy { padding-block: 90px; }
  .hero-visual { min-height: 470px; }
  .about, .history-inner { grid-template-columns: 1fr; }
  .robot-card, .robot-card-featured { grid-column: span 6; }
  .robot-card img, .robot-card-featured img { height: 360px; }
  .archive-grid { grid-template-columns: 1fr; }
  .activity-entry { grid-template-columns: 120px 1fr; }
  .contact-panel { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  :root { --shell: min(100% - 28px,1180px); }
  .site-header { min-height: 66px; padding-inline: 14px; }
  .global-nav { top: 66px; }
  .brand { font-size: .84rem; }
  .brand-mark { width: 34px; height: 34px; }
  .hero-copy { padding: 70px 20px; }
  .hero h1 { display: none; }
  .hero-mobile-video-link { display: block; max-width: 420px; color: var(--ink); text-decoration: none; }
  .hero-mobile-thumbnail { position: relative; display: block; overflow: hidden; aspect-ratio: 4 / 3; border: 1px solid rgba(255,255,255,.2); background: #000; box-shadow: 0 18px 40px rgba(0,0,0,.42); }
  .hero-mobile-thumbnail img { width: 100%; height: 100%; object-fit: cover; }
  .hero-mobile-play { position: absolute; top: 50%; left: 50%; display: grid; width: 64px; height: 46px; place-items: center; border-radius: 12px; background: rgba(230,33,23,.94); color: #fff; font-size: 1.35rem; line-height: 1; transform: translate(-50%,-50%); }
  .hero-visual { display: none; }
  .hero-caption { display: none; }
  .section-shell { padding-block: 80px; }
  .about { gap: 36px; }
  .facts { grid-template-columns: 1fr; }
  .section-heading { align-items: start; flex-direction: column; }
  .robot-grid { display: block; }
  .robot-card { min-height: 0; margin-bottom: 14px; }
  .robot-card img, .robot-card-featured img { height: 380px; }
  .history-inner { padding-block: 80px; }
  .history-image { width: calc(100% - 18px); }
  .history-links a { grid-template-columns: 1fr; gap: 2px; }
  .page-hero { padding-top: 70px; }
  .year-nav { grid-template-columns: repeat(3,1fr); }
  .year-nav a { border-bottom: 1px solid var(--line); }
  .site-footer { flex-direction: column; }
  .activity-entry { grid-template-columns: 1fr; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}