/* Japan Pet Institute HK Limited — corporate site
   Palette: near-black ink on white, one signal accent. ONE LUKE teal appears only inside the brand section. */
:root {
  --ink: #0f1318;
  --ink-2: #3b434c;
  --muted: #6e7681;
  --faint: #a4abb3;
  --line: #e6e8eb;
  --line-2: #d3d7dc;
  --white: #ffffff;
  --bg-2: #f6f7f8;
  --bg-3: #eef0f2;
  --accent: #1f4fd8;
  --accent-ink: #163ea8;
  --accent-soft: #e9eefc;
  --ol-teal: #24737b;
  --ol-teal-soft: #e3f1f2;
  --container: 1240px;
  --gutter: 40px;
  --header: 76px;
  --font-latin: "Manrope", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
html[lang^="en"] { --font-body: "Manrope", "Helvetica Neue", Arial, sans-serif; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header); }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--font-body); font-size: 16px; line-height: 1.9; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body:has(.mobile-nav:not([hidden])) { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
p, h1, h2, h3, h4, figure, ol, ul { margin: 0; }
ol, ul { padding: 0; list-style: none; }
address, em { font-style: normal; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 1000; padding: 12px 18px; color: var(--white); background: var(--ink); transform: translateY(-150%); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.container { width: min(var(--container), 100% - var(--gutter) * 2); margin-inline: auto; }
.en { font-family: var(--font-latin); }
.label { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-latin); font-size: 11px; font-weight: 700; letter-spacing: .28em; text-transform: uppercase; color: var(--muted); }
.label::before { content: ""; width: 18px; height: 1px; background: var(--accent); }
.label.plain::before { display: none; }
.lead { font-size: 17px; line-height: 2; color: var(--ink-2); }
.muted { color: var(--muted); }
.num { font-family: var(--font-latin); font-variant-numeric: tabular-nums; }

/* Buttons */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 54px; padding: 0 30px; font-family: var(--font-latin); font-size: 13px; font-weight: 700; letter-spacing: .06em; color: var(--white); background: var(--ink); border: 1px solid var(--ink); border-radius: 999px; transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease); }
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn.ghost { color: var(--ink); background: transparent; border-color: var(--line-2); }
.btn.ghost:hover { color: var(--ink); background: var(--white); border-color: var(--ink); }
.btn .arrow { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: rgba(255,255,255,.14); font-size: 13px; transition: transform .25s var(--ease); }
.btn.ghost .arrow { background: var(--bg-3); }
.btn:hover .arrow { transform: translateX(3px); }
.text-link { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-latin); font-size: 13px; font-weight: 700; letter-spacing: .04em; color: var(--ink); }
.text-link .arrow { transition: transform .25s var(--ease); }
.text-link:hover .arrow { transform: translateX(4px); }

/* Header */
.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: var(--header); background: rgba(255,255,255,.82); color: var(--ink); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid transparent; transition: border-color .3s ease, background .3s ease; }
.site-header.scrolled { border-bottom-color: var(--line); background: rgba(255,255,255,.92); }
.site-header.on-hero:not(.scrolled) { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; color: var(--white); }
.site-header.on-hero:not(.scrolled) .brand-mark { filter: invert(1) brightness(2); }
.site-header.on-hero:not(.scrolled) .brand-text small, .site-header.on-hero:not(.scrolled) .desktop-nav a, .site-header.on-hero:not(.scrolled) .language-link { color: rgba(255,255,255,.85); }
.site-header.on-hero:not(.scrolled) .desktop-nav a:hover { color: var(--white); }
.site-header.on-hero:not(.scrolled) .desktop-nav a:not(.nav-contact)::after { background: var(--white); }
.site-header.on-hero:not(.scrolled) .desktop-nav a.nav-contact { background: var(--white); color: var(--ink); }
.site-header.on-hero:not(.scrolled) .desktop-nav a.nav-contact .arrow { background: rgba(15,19,24,.08); }
.site-header.on-hero:not(.scrolled) .menu-button { border-color: rgba(255,255,255,.4); }
.site-header.on-hero:not(.scrolled) .menu-button > span:not(.sr-only) { background: var(--white); }
.site-header .container { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.company-brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 30px; height: 30px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: var(--font-latin); font-size: 13px; font-weight: 800; letter-spacing: .04em; }
.brand-text small { margin-top: 3px; font-family: var(--font-latin); font-size: 10px; font-weight: 600; letter-spacing: .22em; color: var(--muted); }
.desktop-nav { display: flex; align-items: center; gap: 30px; }
.desktop-nav a { position: relative; padding: 6px 0; font-family: var(--font-latin); font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--ink-2); transition: color .2s ease; }
.desktop-nav a:hover { color: var(--ink); }
.desktop-nav a:not(.nav-contact)::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.desktop-nav a:hover::after { transform: scaleX(1); }
.desktop-nav .language-link { color: var(--muted); }
.desktop-nav .nav-contact { display: inline-flex; align-items: center; gap: 10px; height: 40px; padding: 0 20px; color: var(--white); background: var(--ink); border-radius: 999px; transition: background .25s var(--ease); }
.desktop-nav .nav-contact:hover { background: var(--accent); }
.menu-button { display: none; }
.mobile-nav[hidden] { display: none; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }

/* Hero */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; color: var(--white); background: var(--ink); }
.hero-media { position: absolute; inset: 0; overflow: hidden; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; transform: scale(1.08); animation: kenburns 24s var(--ease) forwards; will-change: transform; }
@keyframes kenburns { from { transform: scale(1.12) translateY(1.5%); } to { transform: scale(1.0) translateY(0); } }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,12,18,.35) 0%, rgba(8,12,18,.15) 35%, rgba(8,12,18,.72) 78%, rgba(8,12,18,.92) 100%), linear-gradient(90deg, rgba(8,12,18,.55) 0%, rgba(8,12,18,0) 60%); }
.hero-grain { position: absolute; inset: 0; opacity: .06; mix-blend-mode: overlay; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='.6'/></svg>"); pointer-events: none; }
.hero .container { position: relative; z-index: 2; }
.hero-top { display: grid; grid-template-columns: minmax(0, 6.2fr) minmax(0, 4fr) minmax(250px, 2.6fr); gap: 48px; align-items: end; padding: calc(var(--header) + 96px) 0 56px; }
.hero-name { font-family: var(--font-latin); font-size: clamp(46px, 7.2vw, 108px); font-weight: 800; line-height: .96; letter-spacing: -.035em; }
.hero-name span { display: block; overflow: hidden; }
.hero-name span > i { display: block; font-style: normal; transform: translateY(110%); animation: rise 1.1s var(--ease) forwards; }
.hero-name span:nth-child(2) > i { animation-delay: .1s; }
.hero-name span:nth-child(3) > i { animation-delay: .2s; }
@keyframes rise { to { transform: none; } }
.hero-name .thin { font-weight: 300; letter-spacing: -.02em; color: rgba(255,255,255,.78); }
.hero-tag { margin-top: 32px; font-size: clamp(19px, 1.9vw, 26px); font-weight: 500; line-height: 1.6; letter-spacing: .04em; opacity: 0; animation: fade 1.2s var(--ease) .5s forwards; }
html[lang^="en"] .hero-tag { letter-spacing: 0; font-weight: 600; }
@keyframes fade { to { opacity: 1; } }
.hero-side { padding-bottom: 8px; opacity: 0; animation: fade 1.2s var(--ease) .7s forwards; }
.hero-side .label { margin-bottom: 20px; color: rgba(255,255,255,.7); }
.hero-side .label::before { background: var(--white); }
.hero-side p:not(.label) { font-size: 15px; line-height: 2; color: rgba(255,255,255,.8); max-width: 32em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero .btn { background: var(--white); color: var(--ink); border-color: var(--white); }
.hero .btn:hover { background: var(--accent); color: var(--white); border-color: var(--accent); }
.hero .btn .arrow { background: rgba(15,19,24,.08); }
.hero .btn.ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.45); }
.hero .btn.ghost:hover { background: rgba(255,255,255,.12); border-color: var(--white); }
.hero .btn.ghost .arrow { background: rgba(255,255,255,.14); }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 32px; border-top: 1px solid rgba(255,255,255,.22); opacity: 0; animation: fade 1.2s var(--ease) .9s forwards; }
.hero-facts li { padding: 22px 0 32px; }
.hero-facts li + li { padding-left: 32px; border-left: 1px solid rgba(255,255,255,.14); }
.hero-facts .k { display: block; font-family: var(--font-latin); font-size: 11px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.hero-facts .v { display: block; margin-top: 6px; font-size: 15px; font-weight: 600; letter-spacing: .02em; }
.hero-facts .v small { font-weight: 400; color: rgba(255,255,255,.6); }
.hero-scroll { position: absolute; right: var(--gutter); bottom: 28px; z-index: 2; display: flex; align-items: center; gap: 12px; font-family: var(--font-latin); font-size: 10px; font-weight: 700; letter-spacing: .28em; text-transform: uppercase; color: rgba(255,255,255,.6); }
.hero-scroll::after { content: ""; width: 1px; height: 44px; background: linear-gradient(180deg, rgba(255,255,255,.7), transparent); animation: drop 1.8s var(--ease) infinite; }
@keyframes drop { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* Marquee */
.marquee { overflow: hidden; border-bottom: 1px solid var(--line); background: var(--white); }
.marquee-track { display: flex; width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { display: inline-flex; align-items: center; gap: 28px; padding: 18px 28px 18px 0; font-family: var(--font-latin); font-size: 12px; font-weight: 700; letter-spacing: .24em; text-transform: uppercase; color: var(--ink-2); white-space: nowrap; }
.marquee-track span::after { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Photo bands (parallax) */
.band { position: relative; height: clamp(320px, 46vw, 560px); overflow: hidden; background: var(--ink); }
.band img { position: absolute; left: 0; top: -12%; width: 100%; height: 124%; object-fit: cover; will-change: transform; }
.band .band-caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 0 0 36px; color: var(--white); }
.band .band-caption .container { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.band .band-caption strong { display: block; font-family: var(--font-latin); font-size: clamp(22px, 2.6vw, 34px); font-weight: 700; letter-spacing: -.01em; line-height: 1.3; text-shadow: 0 2px 24px rgba(0,0,0,.35); }
html:not([lang^="en"]) .band .band-caption strong { font-family: var(--font-body); font-weight: 500; letter-spacing: .04em; }
.band .band-caption .label { color: rgba(255,255,255,.75); }
.band .band-caption .label::before { background: var(--white); }
.band::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,12,18,0) 40%, rgba(8,12,18,.65) 100%); pointer-events: none; }
.band .band-caption { z-index: 1; }

/* Hero brand card (floating) */
.hero-card { position: relative; display: flex; flex-direction: column; justify-content: space-between; padding: 22px; color: var(--ink); background: rgba(255,255,255,.94); backdrop-filter: blur(8px); opacity: 0; animation: fade 1.2s var(--ease) .8s forwards; }
.hero-card .card-head { display: flex; align-items: center; justify-content: space-between; font-family: var(--font-latin); font-size: 11px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.hero-card .card-photo { margin: 16px 0; aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-2); }
.hero-card .card-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.hero-card:hover .card-photo img { transform: scale(1.05); }
.hero-card .card-title { display: flex; align-items: center; gap: 12px; }
.hero-card .card-title img { width: 40px; height: 40px; border-radius: 8px; }
.hero-card .card-title strong { font-family: var(--font-latin); font-size: 15px; font-weight: 800; letter-spacing: .06em; }
.hero-card .card-title small { display: block; font-size: 12px; color: var(--muted); }
.hero-card .card-foot { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line); font-size: 11.5px; line-height: 1.7; color: var(--muted); }

/* Sections */
.section { padding: 128px 0; }
.section.alt { background: var(--bg-2); }
.section.dark { color: var(--white); background: var(--ink); }
.sec-head { margin-bottom: 64px; }
.sec-head .label { margin-bottom: 22px; }
.sec-head h2 { font-size: clamp(28px, 3vw, 42px); font-weight: 600; line-height: 1.5; letter-spacing: .04em; }
html[lang^="en"] .sec-head h2 { font-family: var(--font-latin); font-weight: 700; letter-spacing: -.02em; line-height: 1.25; }
.sec-head .lead { max-width: 42em; margin-top: 22px; }
.sec-head.split { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 60px; align-items: end; }
.sec-head.split .lead { margin-top: 0; }
.dark .label { color: rgba(255,255,255,.6); }
.dark .lead { color: rgba(255,255,255,.72); }

/* About */
.about-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 80px; align-items: start; }
.about-grid .sec-head { margin-bottom: 0; position: sticky; top: calc(var(--header) + 40px); }
.about-body p { font-size: 16px; line-height: 2.05; color: var(--ink-2); }
.about-body p + p { margin-top: 1.4em; }
.about-body .statement { margin-bottom: 28px; font-size: clamp(19px, 1.7vw, 22px); font-weight: 500; line-height: 1.8; color: var(--ink); }
.about-pillars { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 44px; border: 1px solid var(--line); }
.about-pillars li { padding: 24px 24px 26px; }
.about-pillars li + li { border-left: 1px solid var(--line); }
.about-pillars .en { display: block; font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.about-pillars .en::before { content: "0" counter(pillar) " "; color: var(--accent); }
.about-pillars { counter-reset: pillar; }
.about-pillars li { counter-increment: pillar; }
.about-pillars span:not(.en) { display: block; margin-top: 8px; font-size: 14px; color: var(--muted); }

/* Structure diagram */
.structure { padding: 128px 0; background: var(--white); border-top: 1px solid var(--line); }
.structure-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 80px; align-items: start; }
.structure-grid .sec-head { margin-bottom: 0; }
.structure-note { margin-top: 28px; padding: 20px 22px; border-left: 2px solid var(--accent); background: var(--accent-soft); font-size: 14px; line-height: 1.9; color: var(--ink-2); }
.diagram { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; position: relative; }
.node { position: relative; padding: 32px 32px 30px; border: 1px solid var(--line-2); background: var(--white); }
.node.primary { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.node .node-tag { display: inline-block; padding: 4px 10px; font-family: var(--font-latin); font-size: 10px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; color: var(--white); background: var(--ink); }
.node.brand .node-tag { background: var(--ol-teal); }
.node h3 { margin-top: 20px; font-family: var(--font-latin); font-size: 20px; font-weight: 800; letter-spacing: -.01em; line-height: 1.3; }
.node .sub { display: block; margin-top: 6px; font-size: 13px; color: var(--muted); }
.node ul { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.node li { position: relative; padding-left: 14px; font-size: 14px; line-height: 2; color: var(--ink-2); }
.node li::before { content: ""; position: absolute; left: 0; top: 13px; width: 6px; height: 1px; background: var(--accent); }
.node.brand li::before { background: var(--ol-teal); }
.node .logo { position: absolute; top: 24px; right: 24px; width: 48px; height: 48px; border-radius: 8px; }
.diagram-link { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 18px; padding: 0 8px; font-family: var(--font-latin); font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.diagram-link::before, .diagram-link::after { content: ""; height: 1px; background: var(--line-2); }
.diagram-target { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.diagram-target li { padding: 18px 20px; border: 1px dashed var(--line-2); font-size: 14px; color: var(--ink-2); }
.diagram-target li .en { display: block; font-size: 10px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }

/* Business */
.business-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.biz { position: relative; display: flex; flex-direction: column; padding: 44px 44px 40px; border: 1px solid var(--line); background: var(--white); transition: border-color .3s var(--ease), transform .3s var(--ease); }
.biz:hover { border-color: var(--ink); }
.biz-no { font-family: var(--font-latin); font-size: 12px; font-weight: 800; letter-spacing: .2em; color: var(--accent); }
.biz-en { display: block; margin-top: 30px; font-family: var(--font-latin); font-size: 22px; font-weight: 800; letter-spacing: -.01em; line-height: 1.2; }
.biz h3 { margin-top: 8px; font-size: 20px; font-weight: 500; letter-spacing: .04em; }
html[lang^="en"] .biz h3 { font-family: var(--font-latin); font-size: 15px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.biz .desc { margin-top: 22px; font-size: 15px; line-height: 2; color: var(--ink-2); }
.biz ul { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 20px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.biz li { position: relative; padding-left: 14px; font-size: 14px; line-height: 2; color: var(--ink-2); }
.biz li::before { content: ""; position: absolute; left: 0; top: 13px; width: 6px; height: 1px; background: var(--accent); }
.biz.sub { grid-column: 1 / -1; display: grid; grid-template-columns: 220px 1fr; gap: 40px; padding: 32px 44px; background: var(--bg-2); border-color: transparent; }
.biz.sub:hover { border-color: var(--line-2); }
.biz.sub .biz-no { color: var(--muted); }
.biz.sub .biz-en { margin-top: 10px; font-size: 16px; }
.biz.sub h3 { font-size: 16px; }
.biz.sub p { font-size: 14px; line-height: 2; color: var(--ink-2); }
.biz.sub .items { margin-top: 8px; font-size: 13px; color: var(--muted); }

/* Support */
.section.photo { position: relative; overflow: hidden; }
.section.photo .section-bg { position: absolute; inset: -10% 0; z-index: 0; }
.section.photo .section-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .18; will-change: transform; }
.section.photo::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, var(--white) 0%, rgba(255,255,255,.6) 30%, rgba(255,255,255,.6) 70%, var(--white) 100%); z-index: 0; }
.section.photo .container { position: relative; z-index: 1; }
.support-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.support-grid li { padding: 30px 26px 32px; background: var(--white); transition: background .3s var(--ease); }
.support-grid li:hover { background: var(--bg-2); }
.support-grid .no { font-family: var(--font-latin); font-size: 12px; font-weight: 800; letter-spacing: .2em; color: var(--accent); }
.support-grid .en { display: block; margin-top: 24px; font-size: 14px; font-weight: 800; letter-spacing: -.005em; line-height: 1.3; }
.support-grid h3 { margin-top: 6px; font-size: 16px; font-weight: 500; letter-spacing: .03em; }
html[lang^="en"] .support-grid h3 { display: none; }
.support-grid p { margin-top: 12px; font-size: 13px; line-height: 1.9; color: var(--muted); }
.support-grid li.cta { display: flex; flex-direction: column; justify-content: space-between; background: var(--ink); color: var(--white); }
.support-grid li.cta .en { color: var(--white); }
.support-grid li.cta p { color: rgba(255,255,255,.7); }
.support-grid li.cta .btn { margin-top: 24px; align-self: flex-start; background: var(--white); color: var(--ink); border-color: var(--white); }
.support-grid li.cta .btn .arrow { background: var(--bg-3); }
.support-focus { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.support-focus article { padding: 30px 34px 32px; border: 1px solid var(--line); background: var(--white); }
.support-focus h3 { font-size: 16px; font-weight: 700; letter-spacing: .04em; }
.support-focus p { margin-top: 8px; font-size: 14px; line-height: 1.9; color: var(--muted); }
.support-focus ul { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.support-focus li { padding: 5px 12px; border-radius: 999px; background: var(--bg-2); font-size: 13px; line-height: 1.6; color: var(--ink-2); }

/* Flow */
.flow-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 80px; align-items: start; }
.flow-grid .sec-head { position: sticky; top: calc(var(--header) + 40px); margin-bottom: 0; }
.flow-list { position: relative; }
.flow-list::before { content: ""; position: absolute; left: 7px; top: 12px; bottom: 12px; width: 1px; background: rgba(255,255,255,.18); }
.flow-list li { position: relative; display: grid; grid-template-columns: 40px 90px 1fr; align-items: center; gap: 16px; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.flow-list li::before { content: ""; width: 15px; height: 15px; border-radius: 50%; border: 1px solid rgba(255,255,255,.4); background: var(--ink); }
.flow-list li.open::before { background: var(--white); border-color: var(--white); box-shadow: 0 0 0 5px rgba(255,255,255,.14); }
.flow-list .step { font-family: var(--font-latin); font-size: 11px; font-weight: 800; letter-spacing: .24em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.flow-list strong { font-size: 18px; font-weight: 500; letter-spacing: .04em; }
html[lang^="en"] .flow-list strong { font-family: var(--font-latin); font-weight: 600; letter-spacing: 0; }
.flow-list small { display: block; margin-top: 2px; font-family: var(--font-latin); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.45); }
.flow-list li.open strong { font-weight: 700; }

/* Brand portfolio (ONE LUKE) */
.brand-section { --accent: var(--ol-teal); --accent-soft: var(--ol-teal-soft); }
.brand-head { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 60px; align-items: end; margin-bottom: 56px; }
.brand-head .sec-head { margin-bottom: 0; }
.brand-head .disclaimer { padding: 18px 22px; border: 1px solid var(--line-2); font-size: 13px; line-height: 1.9; color: var(--ink-2); background: var(--white); }
.brand-head .disclaimer strong { display: block; margin-bottom: 4px; font-family: var(--font-latin); font-size: 10px; font-weight: 800; letter-spacing: .22em; text-transform: uppercase; color: var(--ol-teal); }
.brand-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 20px; }
.brand-panel { display: flex; flex-direction: column; justify-content: space-between; padding: 40px; border: 1px solid var(--line); background: var(--white); }
.brand-panel .brand-id { display: flex; align-items: center; gap: 16px; }
.brand-panel .brand-id img { width: 64px; height: 64px; border-radius: 10px; }
.brand-panel .brand-id strong { display: block; font-family: var(--font-latin); font-size: 22px; font-weight: 800; letter-spacing: .04em; }
.brand-panel .brand-id small { display: block; font-size: 12px; color: var(--muted); }
.brand-panel p { margin-top: 24px; font-size: 15px; line-height: 2; color: var(--ink-2); }
.brand-panel .kv { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
.brand-panel .kv .k { display: block; font-family: var(--font-latin); font-size: 10px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.brand-panel .kv .v { display: block; margin-top: 2px; font-size: 14px; font-weight: 500; }
.brand-panel .btn { margin-top: 28px; align-self: flex-start; }
.brand-photos { display: grid; grid-template-columns: 1.3fr 1fr; grid-template-rows: 1fr 1fr; gap: 20px; }
.brand-photos figure { position: relative; overflow: hidden; background: var(--bg-2); }
.brand-photos figure:first-child { grid-row: 1 / 3; }
.brand-photos img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease); }
.brand-photos figure:hover img { transform: scale(1.04); }
.brand-photos figcaption { position: absolute; left: 14px; bottom: 14px; padding: 5px 12px; background: rgba(255,255,255,.92); font-family: var(--font-latin); font-size: 10px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }

/* Global */
.global { padding: 128px 0; background: var(--white); border-top: 1px solid var(--line); }
.global-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 80px; align-items: center; }
.global-grid .sec-head { margin-bottom: 0; }
.route { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 32px; margin-top: 36px; }
.route li { position: relative; padding: 18px 0 0; border-top: 1px solid var(--line-2); }
.route li::before { content: ""; position: absolute; top: -1px; left: 0; width: 28px; height: 1px; background: var(--accent); transition: width .6s var(--ease); }
.route li:hover::before { width: 100%; }
.route .k { display: block; font-family: var(--font-latin); font-size: 11px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.route .v { display: block; margin-top: 6px; font-family: var(--font-latin); font-size: 17px; font-weight: 800; letter-spacing: -.01em; }
.route .d { display: block; margin-top: 4px; font-size: 13px; color: var(--muted); }
.global-visual { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.global-visual figure { position: relative; overflow: hidden; background: var(--ink); aspect-ratio: 3 / 4; }
.global-visual figure:nth-child(2) { margin-top: 64px; }
.global-visual img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease); }
.global-visual figure:hover img { transform: scale(1.05); }
.global-visual .tag { position: absolute; left: 16px; top: 16px; padding: 6px 12px; background: rgba(255,255,255,.92); font-family: var(--font-latin); font-size: 10px; font-weight: 800; letter-spacing: .22em; text-transform: uppercase; }
.global-visual .arrow-badge { position: absolute; left: 50%; top: 50%; z-index: 2; width: 56px; height: 56px; transform: translate(-50%, -50%); display: grid; place-items: center; border-radius: 50%; background: var(--white); color: var(--ink); font-size: 20px; box-shadow: 0 0 0 8px rgba(255,255,255,.35); }

/* Contact */
.section.contact { position: relative; overflow: hidden; }
.section.contact .section-bg { position: absolute; inset: -10% 0; z-index: 0; }
.section.contact .section-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .22; will-change: transform; }
.section.contact::before { content: ""; position: absolute; inset: 0; z-index: 0; background: linear-gradient(90deg, rgba(15,19,24,.92) 0%, rgba(15,19,24,.55) 100%); }
.section.contact .container { position: relative; z-index: 1; }
.contact-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 80px; align-items: start; }
.contact-topics { margin-top: 28px; border-top: 1px solid rgba(255,255,255,.18); }
.contact-topics li { display: flex; align-items: baseline; gap: 14px; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 15px; }
.contact-topics li .num { font-size: 11px; font-weight: 800; letter-spacing: .2em; color: rgba(255,255,255,.5); }
.contact-address { margin-top: 40px; font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.62); }
.contact-address strong { display: block; color: var(--white); font-weight: 600; }
.contact-form { padding: 44px 44px 40px; color: var(--ink); background: var(--white); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
.contact-form label { display: block; margin-bottom: 22px; font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.contact-form label > span { margin-left: 8px; color: var(--accent); font-size: 11px; font-weight: 600; }
.contact-form input:not([type="checkbox"]), .contact-form select, .contact-form textarea { width: 100%; margin-top: 8px; padding: 12px 14px; color: var(--ink); background: var(--bg-2); border: 1px solid var(--line); border-radius: 0; outline: 0; font-weight: 400; transition: border-color .2s ease, background .2s ease; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--ink); background: var(--white); }
.contact-form textarea { resize: vertical; }
.contact-form .consent { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; font-weight: 400; line-height: 1.7; color: var(--muted); }
.contact-form .consent input { margin-top: 5px; accent-color: var(--ink); }
.contact-form .consent span { margin-left: 0; color: inherit; font-size: inherit; }
.submit-button { width: 100%; }
.form-status { margin-top: 14px; font-size: 12px; line-height: 1.7; color: var(--muted); }

/* Footer */
.site-footer { padding: 64px 0 36px; background: var(--white); border-top: 1px solid var(--line); }
.footer-top { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px; align-items: start; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand .brand-mark { width: 34px; height: 34px; }
.footer-brand strong { display: block; font-family: var(--font-latin); font-size: 14px; font-weight: 800; letter-spacing: .04em; }
.footer-brand span { display: block; margin-top: 3px; font-family: var(--font-latin); font-size: 10px; font-weight: 600; letter-spacing: .22em; color: var(--muted); }
.footer-addr { margin-top: 18px; font-size: 13px; line-height: 1.8; color: var(--muted); }
.footer-nav { display: grid; grid-template-columns: repeat(3, auto); justify-content: end; gap: 10px 40px; }
.footer-nav a { font-family: var(--font-latin); font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--ink-2); }
.footer-nav a:hover { color: var(--ink); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line); font-family: var(--font-latin); font-size: 11px; letter-spacing: .04em; color: var(--muted); }

/* 404 */
.not-found { min-height: 100svh; display: grid; place-content: center; gap: 16px; padding: 30px; text-align: center; }
.not-found h1 { font-size: clamp(32px, 5vw, 56px); font-weight: 600; letter-spacing: .04em; }
.not-found .btn { margin: 20px auto 0; }
.not-found .label { justify-content: center; }

/* Responsive */
@media (max-width: 1100px) {
  .hero-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .hero-top > div:first-child { grid-column: 1 / -1; }
  .about-grid, .structure-grid, .flow-grid, .global-grid, .contact-grid { gap: 48px; }
  .support-grid { grid-template-columns: repeat(3, 1fr); }
  .biz { padding: 36px 32px 34px; }
  .biz ul { grid-template-columns: 1fr; }
  .footer-nav { justify-content: start; }
}
@media (max-width: 850px) {
  :root { --header: 64px; --gutter: 24px; }
  .desktop-nav { display: none; }
  .menu-button { display: grid; gap: 5px; width: 44px; height: 44px; align-content: center; padding: 12px; border: 1px solid var(--line-2); border-radius: 999px; background: transparent; }
  .menu-button > span:not(.sr-only) { display: block; width: 100%; height: 1.5px; background: var(--ink); }
  .mobile-nav { position: fixed; z-index: 90; inset: var(--header) 0 0; display: flex; flex-direction: column; padding: 24px var(--gutter); background: var(--white); }
  .mobile-nav a { padding: 18px 0; border-bottom: 1px solid var(--line); font-family: var(--font-latin); font-size: 16px; font-weight: 700; letter-spacing: .04em; }
  .hero-top { grid-template-columns: 1fr; padding: calc(var(--header) + 64px) 0 32px; }
  .hero-card { max-width: 420px; }
  .hero-scroll { display: none; }
  .global-visual figure:nth-child(2) { margin-top: 32px; }
  .hero-tag { margin-top: 24px; }
  .hero-facts { grid-template-columns: 1fr; }
  .hero-facts li { padding: 14px 0; }
  .hero-facts li + li { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .section, .structure, .global { padding: 88px 0; }
  .sec-head { margin-bottom: 40px; }
  .sec-head.split, .brand-head { grid-template-columns: 1fr; gap: 24px; }
  .about-grid, .structure-grid, .flow-grid, .global-grid, .contact-grid, .brand-grid { grid-template-columns: 1fr; }
  .about-grid .sec-head, .flow-grid .sec-head { position: static; }
  .about-pillars { grid-template-columns: 1fr; }
  .about-pillars li + li { border-left: 0; border-top: 1px solid var(--line); }
  .diagram { grid-template-columns: 1fr; }
  .diagram-target { grid-template-columns: 1fr; }
  .business-grid { grid-template-columns: 1fr; }
  .biz.sub { grid-template-columns: 1fr; gap: 16px; padding: 28px 32px; }
  .support-grid { grid-template-columns: 1fr 1fr; }
  .support-focus { grid-template-columns: 1fr; }
  .flow-list li { grid-template-columns: 30px 1fr; gap: 10px 14px; }
  .flow-list li .step { grid-column: 2; }
  .flow-list li > div { grid-column: 2; }
  .brand-photos { grid-template-columns: 1fr 1fr; grid-template-rows: 220px 220px; }
  .contact-form { padding: 32px 26px; }
  .footer-top { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  :root { --gutter: 20px; }
  .brand-text strong { font-size: 12px; }
  .hero-name { font-size: 40px; }
  .hero-tag { font-size: 19px; }
  .hero-actions .btn { width: 100%; }
  .global-visual { grid-template-columns: 1fr; }
  .global-visual figure:nth-child(2) { margin-top: 0; }
  .global-visual figure { aspect-ratio: 16 / 10; }
  .global-visual .arrow-badge { display: none; }
  .support-grid { grid-template-columns: 1fr; }
  .biz { padding: 30px 22px 28px; }
  .biz.sub { padding: 24px 22px; }
  .brand-panel { padding: 28px 22px; }
  .brand-photos { grid-template-columns: 1fr; grid-template-rows: auto; }
  .brand-photos figure:first-child { grid-row: auto; aspect-ratio: 4 / 3; }
  .brand-photos figure { aspect-ratio: 16 / 9; }
  .route { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 26px 18px; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-media img, .marquee-track { animation: none; }
  .hero-name span > i, .hero-tag, .hero-side, .hero-facts, .hero-card { animation: none; transform: none; opacity: 1; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
