:root {
  --ink: #090908;
  --ink-soft: #171512;
  --paper: #f0ede7;
  --paper-deep: #e5e0d8;
  --white: #fbfaf7;
  --copper: #a97750;
  --copper-light: #d5b08f;
  --line: rgba(9, 9, 8, 0.16);
  --line-light: rgba(255, 255, 255, 0.16);
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --serif: "Songti SC", "STSong", "Times New Roman", serif;
  --display: Didot, "Bodoni MT", "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); overflow-x: hidden; }
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { color: var(--white); background: var(--copper); }

.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 999; padding: .75rem 1rem; background: var(--white); transition: top .2s; }
.skip-link:focus { top: 1rem; }
.scroll-progress { position: fixed; inset: 0 0 auto; z-index: 1000; height: 2px; background: transparent; }
.scroll-progress span { display: block; width: 0; height: 100%; background: var(--copper-light); }
.site-header { position: absolute; inset: 0 0 auto; z-index: 20; height: 6.5rem; padding: 0 clamp(1.25rem, 4vw, 5rem); display: flex; align-items: center; justify-content: space-between; color: var(--white); border-bottom: 1px solid var(--line-light); transition: background .35s, height .35s, transform .35s; }
.site-header.is-fixed { position: fixed; height: 4.6rem; background: rgba(9, 9, 8, .92); backdrop-filter: blur(16px); }
.brand { display: flex; align-items: baseline; gap: .8rem; }
.brand-cn { font-family: var(--serif); font-size: 1.5rem; letter-spacing: .16em; }
.brand-en { font-family: var(--display); font-size: .75rem; letter-spacing: .16em; }
.brand-en sup, .footer-brand sup { font-size: .5em; }
.site-nav { display: flex; align-items: center; gap: clamp(1.4rem, 2.6vw, 3rem); font-size: .8rem; letter-spacing: .12em; }
.site-nav a { position: relative; padding: .55rem 0; }
.site-nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: .2rem; width: 100%; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .3s; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { padding: .8rem 1.25rem !important; border: 1px solid rgba(255,255,255,.55); transition: background .3s, color .3s; }
.nav-cta:hover { color: var(--ink); background: var(--white); }
.menu-toggle { display: none; width: 2.8rem; height: 2.8rem; color: inherit; background: transparent; border: 0; }
.menu-toggle span { display: block; width: 1.5rem; height: 1px; margin: .4rem auto; background: currentColor; transition: transform .3s; }

.hero { position: relative; min-height: min(940px, 100svh); color: var(--white); background: var(--ink); overflow: hidden; }
.hero-visual { position: absolute; inset: 0; height: 100%; background: #050505; overflow: hidden; }
.hero-media, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-media { object-fit: cover; object-position: left center; }
.hero-shade { background: linear-gradient(90deg, rgba(0,0,0,.88) 0%, rgba(0,0,0,.72) 28%, rgba(0,0,0,.12) 48%, rgba(0,0,0,.18) 100%), linear-gradient(0deg, rgba(0,0,0,.58), transparent 42%); }
.hero-content { position: relative; z-index: 2; width: min(34rem, 42vw); min-height: min(940px, 100svh); margin: 0; padding: clamp(9rem, 18vh, 11rem) 0 9rem clamp(1.25rem, 4vw, 5rem); display: flex; flex-direction: column; justify-content: center; }
.eyebrow { margin: 0 0 1.5rem; color: var(--copper); font-family: var(--display); font-size: .72rem; letter-spacing: .24em; text-transform: uppercase; }
.eyebrow.light { color: var(--copper-light); }
.hero h1 { max-width: 7ch; margin: 0; font-family: var(--serif); font-size: clamp(3.4rem, 4.5vw, 4.8rem); font-weight: 400; line-height: 1.04; letter-spacing: -.035em; }
.hero h1 em, h2 em { color: var(--copper-light); font-family: var(--display); font-weight: 400; }
.hero h1 em { display: inline-block; white-space: nowrap; }
.hero-lead { margin: 2.5rem 0 0; font-family: var(--serif); font-size: clamp(1rem, 1.5vw, 1.35rem); letter-spacing: .12em; }
.hero-actions { display: flex; align-items: center; gap: 2.2rem; margin-top: 2.5rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3.3rem; padding: .85rem 1.6rem; border: 1px solid transparent; border-radius: 0; cursor: pointer; font-size: .8rem; letter-spacing: .14em; transition: transform .25s, background .25s, color .25s; }
.button:hover { transform: translateY(-2px); }
.button-solid { color: var(--ink); background: var(--white); }
.button-copper { color: var(--white); background: var(--copper); }
.text-link { display: inline-flex; gap: .8rem; align-items: center; padding: .5rem 0; border-bottom: 1px solid currentColor; font-size: .8rem; letter-spacing: .12em; }
.text-link span { transition: transform .25s; }
.text-link:hover span { transform: translate(.2rem,.2rem); }
.text-link.light { color: var(--white); }
.hero-facts { position: absolute; right: clamp(1.25rem, 4vw, 5rem); bottom: 2.5rem; z-index: 2; display: flex; border-top: 1px solid var(--line-light); background: rgba(0,0,0,.82); backdrop-filter: blur(8px); }
.hero-facts div { min-width: 9rem; padding: 1.2rem 1.3rem 0; border-left: 1px solid var(--line-light); }
.hero-facts strong { display: block; font-family: var(--display); font-size: 2.2rem; font-weight: 400; }
.hero-facts strong sup { font-size: .35em; }
.hero-facts span { color: rgba(255,255,255,.62); font-size: .68rem; letter-spacing: .1em; }
.hero-scroll { position: absolute; left: clamp(1.25rem, 4vw, 5rem); bottom: 2.8rem; z-index: 2; display: flex; align-items: center; gap: .8rem; font-size: .58rem; letter-spacing: .2em; writing-mode: vertical-rl; }
.hero-scroll span { width: 1px; height: 2.5rem; background: var(--white); animation: scroll-line 2s infinite; }

.ticker { color: var(--white); background: var(--copper); overflow: hidden; }
.ticker div { display: flex; width: max-content; align-items: center; gap: 2.3rem; padding: .9rem 0; animation: ticker 28s linear infinite; }
.ticker span { font-family: var(--display); font-size: .78rem; letter-spacing: .16em; }
.ticker i { font-style: normal; font-size: .55rem; }
.section-pad { padding: clamp(5rem, 10vw, 10rem) clamp(1.25rem, 5vw, 6.5rem); }
.story { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(3rem, 8vw, 9rem); align-items: center; }
.story-visual { position: relative; max-width: 42rem; }
.story-visual img { aspect-ratio: 4/5; object-fit: cover; filter: saturate(.8); }
.image-note { position: absolute; right: -1.3rem; bottom: 2rem; padding: .7rem 1rem; color: var(--white); background: var(--ink); font-size: .58rem; letter-spacing: .16em; writing-mode: vertical-rl; }
.story-copy { max-width: 43rem; }
h2 { margin: 0; font-family: var(--serif); font-size: clamp(2.5rem, 5vw, 5.4rem); font-weight: 400; line-height: 1.06; letter-spacing: -.045em; }
.story-copy > p:not(.eyebrow) { max-width: 39rem; color: #5a554e; font-size: .94rem; line-height: 2; }
.story-copy .lead-copy { margin-top: 2.5rem; color: var(--ink) !important; font-family: var(--serif); font-size: 1.15rem !important; }
.quote-mark { height: 3rem; margin-top: 2.5rem; color: var(--copper); font-family: var(--display); font-size: 5rem; line-height: 1; }
blockquote { margin: .5rem 0 0; padding-left: 1.5rem; border-left: 1px solid var(--copper); font-family: var(--serif); font-size: 1rem; line-height: 1.9; }

.departments { background: var(--white); }
.section-heading { display: grid; grid-template-columns: 1.15fr .65fr; gap: 4rem; align-items: end; margin-bottom: 5rem; }
.section-heading > p { max-width: 28rem; margin: 0 0 .5rem auto; color: #645f58; line-height: 1.9; }
.department-list { border-top: 1px solid var(--line); }
.department-card { position: relative; display: grid; grid-template-columns: 4.5rem .9fr 1.3fr 7rem; gap: 2rem; align-items: center; min-height: 10rem; padding: 1.7rem 0; border-bottom: 1px solid var(--line); transition: padding .35s, background .35s; }
.department-card::before { content: ""; position: absolute; inset: 0 -2rem; z-index: 0; background: var(--paper); transform: scaleY(0); transform-origin: bottom; transition: transform .35s; }
.department-card:hover::before, .department-card:focus::before { transform: scaleY(1); }
.department-card > * { position: relative; z-index: 1; }
.department-card:hover, .department-card:focus { padding-left: 1rem; padding-right: 1rem; outline: none; }
.department-no { color: var(--copper); font-family: var(--display); font-size: .78rem; }
.department-card h3 { margin: 0 0 .35rem; font-family: var(--serif); font-size: 1.65rem; font-weight: 400; }
.department-card div p { margin: 0; color: #817a72; font-size: .72rem; letter-spacing: .08em; }
.department-desc { color: #59544e; font-size: .82rem; line-height: 1.8; }
.department-tag { text-align: right; font-family: var(--display); font-size: .67rem; letter-spacing: .13em; }
.medical-note { margin: 1.4rem 0 0; color: #817a72; font-size: .68rem; text-align: right; }

.service-guide { background: var(--paper); }
.service-tabs { display: grid; grid-template-columns: repeat(4, 1fr); margin-bottom: 2rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-tabs button { min-height: 4.2rem; padding: .8rem .5rem; color: #716a62; background: var(--paper); border: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); cursor: pointer; font-size: .68rem; letter-spacing: .06em; transition: color .25s, background .25s; }
.service-tabs button[aria-selected="true"] { color: var(--white); background: var(--ink); }
.service-tabs button:hover:not([aria-selected="true"]) { color: var(--ink); background: var(--paper-deep); }
.service-panels { min-height: 17rem; }
.service-panel { grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.service-panel.is-active { display: grid; }
.service-panel article { position: relative; min-width: 0; min-height: 16rem; padding: 2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; transition: color .3s, background .3s; }
.service-panel article:hover { color: var(--white); background: var(--ink); }
.service-panel article > span { color: var(--copper); font-family: var(--display); font-size: .7rem; }
.service-panel h3 { max-width: 14rem; margin: auto 0 .8rem; font-family: var(--serif); font-size: 1.25rem; font-weight: 400; line-height: 1.45; }
.service-panel p { margin: 0; color: #746d65; font-size: .72rem; line-height: 1.7; }
.service-panel article:hover p { color: rgba(255,255,255,.58); }
.service-panel i { position: absolute; right: 1.5rem; top: 1.8rem; color: #938b82; font-family: var(--display); font-size: .55rem; font-style: normal; letter-spacing: .12em; }
.service-footnote { display: grid; grid-template-columns: auto 1fr auto; gap: 1.5rem; align-items: center; margin-top: 2rem; padding: 1.3rem 1.5rem; color: #5e5851; background: var(--white); font-size: .72rem; }
.service-footnote strong { color: var(--ink); font-family: var(--serif); font-size: 1rem; font-weight: 400; }
.service-footnote a { padding-bottom: .25rem; border-bottom: 1px solid var(--ink); color: var(--ink); white-space: nowrap; }

.technology { display: grid; grid-template-columns: minmax(17rem, .7fr) minmax(0, 1.6fr); gap: clamp(3rem, 6vw, 7rem); color: var(--white); background: var(--ink); overflow: hidden; }
.tech-intro { align-self: center; }
.tech-intro p:not(.eyebrow) { max-width: 28rem; color: rgba(255,255,255,.6); line-height: 1.9; }
.carousel-controls { display: flex; gap: .7rem; margin-top: 2.5rem; }
.carousel-button { width: 3rem; height: 3rem; color: var(--white); background: transparent; border: 1px solid var(--line-light); cursor: pointer; transition: background .25s, color .25s; }
.carousel-button:hover { color: var(--ink); background: var(--white); }
.device-carousel { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(270px, 43%); gap: 1.2rem; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.device-carousel::-webkit-scrollbar { display: none; }
.device-card { min-width: 0; scroll-snap-align: start; }
.device-image { margin-bottom: 1.5rem; background: #d8d8d8; overflow: hidden; }
.device-image img { aspect-ratio: 4/5; object-fit: cover; transition: transform .7s; }
.device-card:hover img { transform: scale(1.025); }
.device-card > span { color: var(--copper-light); font-family: var(--display); font-size: .65rem; letter-spacing: .15em; }
.device-card h3 { margin: .45rem 0 .75rem; font-family: var(--display); font-size: 1.5rem; font-weight: 400; letter-spacing: .03em; }
.device-card p { margin: 0; color: rgba(255,255,255,.58); font-size: .75rem; line-height: 1.8; }
.technology-note { grid-column: 2; margin: -4rem 0 0; color: rgba(255,255,255,.36); font-size: .62rem; line-height: 1.7; }

.oxygen { display: grid; grid-template-columns: 1fr 1fr; min-height: 52rem; background: var(--paper-deep); }
.oxygen-image img { height: 100%; object-fit: cover; filter: grayscale(1); }
.oxygen-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(4rem, 8vw, 9rem); }
.oxygen-copy > p:not(.eyebrow) { max-width: 33rem; margin-top: 2rem; color: #5f5952; line-height: 2; }
.oxygen-copy dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 4rem 0 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.oxygen-copy dl div { padding: 1.4rem .7rem; border-right: 1px solid var(--line); }
.oxygen-copy dl div:last-child { border-right: 0; }
.oxygen-copy dt { font-family: var(--serif); font-size: 1.25rem; }
.oxygen-copy dd { margin: .45rem 0 0; color: #777067; font-size: .65rem; }

.culture { color: var(--white); background: var(--ink-soft); }
.culture-heading { display: grid; grid-template-columns: 1fr 1fr; margin-bottom: 5rem; }
.culture-heading h2 { grid-column: 2; }
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.culture-card { min-width: 0; border-right: 1px solid var(--line-light); display: grid; grid-template-rows: auto 1fr; overflow: hidden; transition: background .35s, color .35s; }
.culture-card:last-child { border-right: 0; }
.culture-card:hover { color: var(--ink); background: var(--copper-light); }
.culture-media { margin: 0; aspect-ratio: 3/4; overflow: hidden; background: #171614; }
.culture-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s, filter .35s; }
.culture-card:hover .culture-media img { transform: scale(1.025); filter: saturate(.9); }
.culture-copy { min-width: 0; min-height: 13.5rem; padding: 2rem 2.5rem 2.4rem; display: flex; flex-direction: column; }
.culture-card span { margin-bottom: auto; color: var(--copper-light); font-family: var(--display); font-size: .7rem; }
.culture-card:hover span { color: var(--ink); }
.culture-card h3 { margin: 1.8rem 0 0; font-family: var(--serif); font-size: clamp(1.5rem, 2.5vw, 2.4rem); font-weight: 400; line-height: 1.3; text-wrap: balance; }
.culture-card p { max-width: 22rem; margin: 1rem 0 0; color: rgba(255,255,255,.55); font-size: .78rem; line-height: 1.8; }
.culture-card:hover p { color: rgba(0,0,0,.65); }

.founder { display: grid; grid-template-columns: 1fr minmax(20rem, .8fr); gap: clamp(3rem, 8vw, 9rem); align-items: center; }
.founder-copy { max-width: 43rem; }
.founder-copy > p:not(.eyebrow,.founder-sign) { max-width: 36rem; margin-top: 2.2rem; color: #5f5952; line-height: 2; }
.founder-sign { margin-top: 3rem; color: var(--copper); font-family: var(--display); font-size: 1.6rem; letter-spacing: .12em; }
.founder-sign span { display: block; margin-top: .6rem; color: #817a72; font-family: var(--sans); font-size: .62rem; }
.founder-image img { aspect-ratio: 4/5; object-fit: cover; filter: saturate(.85); }

.star { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(23rem, .65fr); overflow: hidden; background: var(--paper); }
.star-visual { min-width: 0; padding: clamp(1.5rem, 3vw, 3.5rem); display: grid; place-items: center; background: #dfe2e8; }
.star-visual img { width: 100%; height: auto; object-fit: contain; }
.star-copy { min-width: 0; padding: clamp(4rem, 7vw, 8rem) clamp(2.5rem, 5vw, 6rem); display: flex; flex-direction: column; justify-content: center; background: var(--paper); text-align: left; }
.star-copy h2 { max-width: 8.5ch; font-size: clamp(2.6rem, 4vw, 4.6rem); line-height: 1.12; overflow-wrap: anywhere; }
.star-copy p:not(.eyebrow) { max-width: 38rem; margin: 2rem 0; color: #514c46; line-height: 2; }
.star-copy .text-link { align-self: flex-start; }

.experience { background: var(--white); }
.experience-heading { display: grid; grid-template-columns: .7fr 1.3fr; margin-bottom: 5rem; }
.experience-heading h2 { grid-column: 2; }
.journey { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.journey li { min-height: 18rem; padding: 2rem; border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.journey li:last-child { border-right: 0; }
.journey li > span { color: var(--copper); font-family: var(--display); font-size: .72rem; }
.journey li div { margin-top: auto; }
.journey h3 { margin: 0 0 .8rem; font-family: var(--serif); font-size: 1.45rem; font-weight: 400; }
.journey p { margin: 0; color: #6d665e; font-size: .74rem; line-height: 1.8; }
.faq-block { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(3rem, 8vw, 9rem); margin-top: clamp(5rem, 10vw, 9rem); }
.faq-intro { align-self: start; position: sticky; top: 8rem; }
.faq-intro h2 { font-size: clamp(2.5rem, 4vw, 4.5rem); }
.faq-intro > p:not(.eyebrow) { max-width: 24rem; color: #6d665e; line-height: 1.8; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.6rem 0; cursor: pointer; font-family: var(--serif); font-size: 1.05rem; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--copper); font-family: var(--sans); font-size: 1.2rem; transition: transform .25s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 38rem; margin: -.2rem 0 1.7rem; padding-right: 3rem; color: #6d665e; font-size: .78rem; line-height: 1.9; }

.booking { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(4rem, 9vw, 10rem); color: var(--white); background: var(--ink); }
.booking-intro > p:not(.eyebrow) { max-width: 31rem; color: rgba(255,255,255,.55); line-height: 1.9; }
.booking-promise { display: flex; align-items: center; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line-light); color: rgba(255,255,255,.76); font-size: .75rem; }
.booking-promise:first-of-type { margin-top: 2.5rem; border-top: 1px solid var(--line-light); }
.booking-promise span { color: var(--copper-light); font-family: var(--display); }
.booking-contact { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line-light); font-style: normal; }
.booking-contact div { display: flex; flex-direction: column; gap: .55rem; }
.booking-contact .contact-location { padding-right: 1rem; border-right: 1px solid var(--line-light); }
.booking-contact .contact-location:nth-child(2) { padding-right: 0; border-right: 0; }
.booking-contact .contact-hours { grid-column: 1 / -1; padding-top: 1rem; border-top: 1px solid var(--line-light); }
.booking-contact span { color: rgba(255,255,255,.42); font-size: .62rem; letter-spacing: .12em; }
.booking-contact strong, .booking-contact a { color: var(--white); font-family: var(--serif); font-size: .95rem; font-weight: 400; line-height: 1.6; }
.booking-contact a { color: var(--copper-light); font-family: var(--display); letter-spacing: .06em; }
.booking-form { display: grid; gap: 1.5rem; align-self: start; padding: clamp(1.5rem, 4vw, 3.5rem); border: 1px solid var(--line-light); background: rgba(255,255,255,.025); }
.booking-form > label, .booking-form legend { color: rgba(255,255,255,.72); font-size: .7rem; letter-spacing: .08em; }
.booking-form input[type="text"], .booking-form textarea { width: 100%; margin-top: .7rem; padding: .9rem 0; color: var(--white); background: transparent; border: 0; border-bottom: 1px solid rgba(255,255,255,.26); border-radius: 0; outline: none; resize: vertical; }
.booking-form input:focus, .booking-form textarea:focus { border-color: var(--copper-light); }
.booking-form input::placeholder, .booking-form textarea::placeholder { color: rgba(255,255,255,.3); }
.booking-form fieldset { margin: 0; padding: 0; border: 0; }
.booking-form legend { margin-bottom: .8rem; }
.choice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; }
.choice-grid label { cursor: pointer; }
.choice-grid input { position: absolute; opacity: 0; pointer-events: none; }
.choice-grid span { display: grid; place-items: center; min-height: 2.8rem; padding: .6rem; border: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.62); font-size: .68rem; transition: background .25s, color .25s, border .25s; }
.choice-grid input:checked + span { color: var(--ink); background: var(--copper-light); border-color: var(--copper-light); }
.booking-form .button { width: 100%; }
.form-status { min-height: 1em; margin: -.5rem 0 0; color: var(--copper-light); font-size: .68rem; }
.consent-group { display: grid; gap: .75rem; padding-top: .3rem !important; }
.consent-check { display: grid; grid-template-columns: 1rem 1fr; gap: .8rem; align-items: start; padding: .9rem; border: 1px solid rgba(255,255,255,.14); cursor: pointer; transition: border-color .25s, background .25s; }
.consent-check:hover { border-color: rgba(213,176,143,.7); background: rgba(255,255,255,.025); }
.consent-check input { width: .95rem; height: .95rem; margin: .15rem 0 0; accent-color: var(--copper); }
.consent-check span { display: grid; gap: .4rem; }
.consent-check strong { color: rgba(255,255,255,.82); font-size: .68rem; font-weight: 400; line-height: 1.6; }
.consent-check small { color: rgba(255,255,255,.4); font-size: .6rem; line-height: 1.7; }
.consent-check a { color: var(--copper-light); border-bottom: 1px solid currentColor; }
.consent-check.optional { border-style: dashed; }

.site-footer { padding: 5rem clamp(1.25rem, 5vw, 6.5rem) 2rem; color: var(--white); background: #050505; text-align: center; }
.footer-brand { display: flex; flex-direction: column; gap: .8rem; }
.footer-brand strong { font-family: var(--serif); font-size: 3rem; font-weight: 400; letter-spacing: .2em; text-indent: .2em; }
.footer-brand span { font-family: var(--display); font-size: .7rem; letter-spacing: .2em; }
.site-footer > p { color: rgba(255,255,255,.46); font-family: var(--serif); font-size: .9rem; letter-spacing: .1em; }
.footer-contact { display: flex; justify-content: center; flex-wrap: wrap; gap: .8rem 1.4rem; margin: 1.4rem 0 0; color: rgba(255,255,255,.62); font-size: .72rem; font-style: normal; letter-spacing: .05em; }
.footer-contact a { color: var(--copper-light); font-family: var(--display); letter-spacing: .08em; }
.site-footer nav { display: flex; justify-content: center; flex-wrap: wrap; gap: 2rem; margin: 3rem 0 5rem; color: rgba(255,255,255,.66); font-size: .7rem; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 1.5rem; border-top: 1px solid var(--line-light); color: rgba(255,255,255,.35); font-family: var(--display); font-size: .58rem; letter-spacing: .12em; }

.summary-dialog { width: min(92vw, 34rem); padding: 2.7rem; color: var(--ink); background: var(--paper); border: 0; box-shadow: 0 2rem 5rem rgba(0,0,0,.35); }
.summary-dialog::backdrop { background: rgba(0,0,0,.78); backdrop-filter: blur(5px); }
.summary-dialog h2 { font-size: 2.2rem; }
.summary-dialog pre { margin: 1.5rem 0; padding: 1.2rem; white-space: pre-wrap; color: #514c46; background: var(--white); font-family: var(--sans); font-size: .78rem; line-height: 1.8; }
.summary-dialog .button { width: 100%; }
.dialog-close { position: absolute; right: 1rem; top: 1rem; width: 2.5rem; height: 2.5rem; background: transparent; border: 0; cursor: pointer; font-size: 1.5rem; }
.dialog-note { margin: 1rem 0 0; color: #817a72; font-size: .65rem; text-align: center; }
.dialog-note a { color: var(--copper); border-bottom: 1px solid currentColor; }
.legal-page { color: var(--ink); background: var(--paper); }
.legal-header { height: 5.5rem; padding: 0 clamp(1.25rem, 5vw, 6.5rem); display: flex; align-items: center; justify-content: space-between; color: var(--white); background: var(--ink); border-bottom: 1px solid var(--line-light); }
.legal-back { padding-bottom: .35rem; border-bottom: 1px solid rgba(255,255,255,.45); font-size: .68rem; letter-spacing: .1em; }
.legal-main { padding: clamp(4.5rem, 9vw, 8rem) clamp(1.25rem, 5vw, 6.5rem); }
.legal-hero { max-width: 72rem; }
.legal-hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(3rem, 7vw, 7rem); font-weight: 400; line-height: 1; letter-spacing: -.05em; }
.legal-hero > p:last-child { margin-top: 2rem; color: #716a62; font-size: .68rem; letter-spacing: .08em; }
.privacy-summary { display: grid; grid-template-columns: repeat(4, 1fr); margin: clamp(4rem, 8vw, 7rem) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.privacy-summary article { min-height: 13rem; padding: 1.7rem; border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.privacy-summary article:last-child { border-right: 0; }
.privacy-summary span, .legal-no { color: var(--copper); font-family: var(--display); font-size: .68rem; }
.privacy-summary strong { margin-top: auto; font-family: var(--serif); font-size: 1.25rem; font-weight: 400; }
.privacy-summary p { margin: .7rem 0 0; color: #716a62; font-size: .7rem; line-height: 1.7; }
.legal-layout { display: grid; grid-template-columns: minmax(10rem, .35fr) minmax(0, 1.15fr); gap: clamp(3rem, 9vw, 10rem); align-items: start; }
.legal-toc { position: sticky; top: 2rem; display: grid; border-top: 1px solid var(--line); }
.legal-toc strong { padding: 1.2rem 0; font-family: var(--serif); font-size: 1rem; font-weight: 400; }
.legal-toc a { padding: .65rem 0; color: #746d65; font-size: .68rem; }
.legal-toc a:hover { color: var(--copper); }
.legal-content { max-width: 54rem; }
.legal-content > section { position: relative; padding: 0 0 4rem 4rem; margin-bottom: 4rem; border-bottom: 1px solid var(--line); scroll-margin-top: 2rem; }
.legal-content > section:last-child { margin-bottom: 0; }
.legal-no { position: absolute; left: 0; top: .55rem; }
.legal-content h2 { margin-bottom: 1.5rem; font-size: clamp(1.8rem, 3vw, 2.8rem); letter-spacing: -.025em; }
.legal-content p, .legal-content li { color: #5f5952; font-size: .82rem; line-height: 2; }
.legal-content ul { margin: 1rem 0; padding-left: 1.2rem; }
.legal-content li + li { margin-top: .4rem; }
.legal-content strong { color: var(--ink); }
.legal-content a { color: var(--copper); border-bottom: 1px solid rgba(169,119,80,.45); }
.privacy-control { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; margin-top: 2rem; padding: 1.3rem; background: var(--white); border: 1px solid var(--line); }
.privacy-control div { display: grid; gap: .35rem; }
.privacy-control strong { font-family: var(--serif); font-size: .95rem; font-weight: 400; }
.privacy-control span { color: #746d65; font-size: .65rem; }
.privacy-control button { padding: .75rem 1rem; color: var(--white); background: var(--ink); border: 0; cursor: pointer; white-space: nowrap; }
.legal-content address { display: grid; gap: .7rem; padding: 1.5rem; background: var(--white); font-style: normal; }
.legal-content address strong { font-family: var(--serif); font-size: 1.15rem; font-weight: 400; }
.legal-content address span { color: #5f5952; font-size: .78rem; }
.legal-footer { padding: 1.5rem clamp(1.25rem, 5vw, 6.5rem); display: flex; justify-content: space-between; color: rgba(255,255,255,.48); background: var(--ink); font-size: .62rem; letter-spacing: .08em; }
.legal-footer a { color: var(--copper-light); }
.reveal { opacity: 0; transform: translateY(2.5rem); transition: opacity .8s, transform .8s; }
.reveal.is-visible { opacity: 1; transform: none; }

@keyframes hero-breathe { to { transform: scale(1.04); } }
@keyframes ticker { to { transform: translateX(-50%); } }
@keyframes scroll-line { 0%,100% { transform: scaleY(.3); transform-origin: top; } 50% { transform: scaleY(1); } }

@media (max-width: 980px) {
  .menu-toggle { display: block; position: relative; z-index: 3; }
  .site-nav { position: fixed; inset: 0; display: flex; flex-direction: column; justify-content: center; gap: 1.4rem; color: var(--white); background: rgba(9,9,8,.98); opacity: 0; visibility: hidden; transform: translateY(-1rem); transition: opacity .3s, transform .3s, visibility .3s; }
  .site-nav a { font-family: var(--serif); font-size: 1.6rem; }
  .site-nav .nav-cta { margin-top: 1rem; font-family: var(--sans); font-size: .8rem; }
  .menu-open .site-nav { opacity: 1; visibility: visible; transform: none; }
  .menu-open .menu-toggle span:first-child { transform: translateY(.25rem) rotate(45deg); }
  .menu-open .menu-toggle span:last-child { transform: translateY(-.25rem) rotate(-45deg); }
  .hero-facts { left: 1.25rem; right: 1.25rem; justify-content: flex-end; }
  .hero-facts div { min-width: 0; flex: 1; }
  .hero-scroll { display: none; }
  .hero { min-height: 100svh; padding: 0; }
  .hero-visual { position: absolute; inset: 0; height: 100%; border: 0; }
  .hero-media { object-fit: cover; object-position: left center; }
  .hero-shade { background: linear-gradient(90deg, rgba(0,0,0,.9) 0%, rgba(0,0,0,.76) 34%, rgba(0,0,0,.15) 58%, rgba(0,0,0,.16) 100%), linear-gradient(0deg, rgba(0,0,0,.58), transparent 40%); }
  .hero-content { width: min(32rem, 46vw); min-height: 100svh; padding: 8.5rem 0 8rem 5vw; justify-content: center; }
  .hero h1 { max-width: 7ch; font-size: clamp(2.8rem, 6vw, 3.5rem); }
  .hero-lead { margin-top: 2rem; }
  .story, .oxygen, .founder, .booking { grid-template-columns: 1fr; }
  .story-visual { width: min(85%, 34rem); }
  .section-heading { grid-template-columns: 1fr; gap: 2rem; }
  .section-heading > p { margin-left: 0; }
  .service-panel { grid-template-columns: repeat(2, 1fr); }
  .technology { grid-template-columns: 1fr; }
  .tech-intro { display: grid; grid-template-columns: 1fr auto; column-gap: 2rem; }
  .tech-intro .eyebrow, .tech-intro h2, .tech-intro > p { grid-column: 1; }
  .carousel-controls { grid-column: 2; grid-row: 2 / span 2; align-self: end; }
  .technology-note { grid-column: 1; margin: -1.5rem 0 0; padding-right: 1.25rem; }
  .oxygen-image { max-height: 42rem; }
  .oxygen-image img { height: 42rem; object-position: center 35%; }
  .culture-heading { grid-template-columns: 1fr; gap: 1rem; }
  .culture-heading h2 { grid-column: 1; }
  .culture-grid { grid-template-columns: 1fr; }
  .culture-card { grid-template-columns: minmax(15rem, .72fr) 1fr; grid-template-rows: 1fr; min-height: 24rem; border-right: 0; border-bottom: 1px solid var(--line-light); }
  .culture-card:last-child { border-bottom: 0; }
  .culture-media { min-height: 24rem; aspect-ratio: auto; }
  .culture-copy { min-height: 24rem; }
  .founder-image { grid-row: 1; max-width: 36rem; justify-self: end; }
  .star { grid-template-columns: 1fr; }
  .star-visual { padding: clamp(1.25rem, 5vw, 3rem); }
  .star-copy { padding: clamp(4rem, 8vw, 6rem) clamp(1.5rem, 7vw, 4rem); text-align: center; }
  .star-copy h2 { max-width: 12ch; margin-inline: auto; }
  .star-copy p:not(.eyebrow) { margin-inline: auto; }
  .star-copy .text-link { align-self: center; }
  .experience-heading { grid-template-columns: 1fr; gap: 1rem; }
  .experience-heading h2 { grid-column: 1; }
  .journey { grid-template-columns: repeat(2, 1fr); }
  .journey li:nth-child(2) { border-right: 0; }
  .journey li:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .faq-block { grid-template-columns: 1fr; }
  .faq-intro { position: static; }
  .privacy-summary { grid-template-columns: repeat(2, 1fr); }
  .privacy-summary article:nth-child(2) { border-right: 0; }
  .privacy-summary article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 680px) {
  .site-header { height: 5rem; padding: 0 1.1rem; }
  .brand-en { display: none; }
  .hero { min-height: 100svh; padding: 0; }
  .hero-visual { height: 100%; aspect-ratio: auto; }
  .hero-media { object-position: 20% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(0,0,0,.94) 0%, rgba(0,0,0,.86) 46%, rgba(0,0,0,.52) 62%, rgba(0,0,0,.08) 82%, rgba(0,0,0,.16) 100%), linear-gradient(0deg, rgba(0,0,0,.74), transparent 42%); }
  .hero-content { width: 64%; min-height: 100svh; padding: 6.5rem .5rem 6.8rem 1.25rem; justify-content: center; }
  .hero-content .eyebrow { margin-bottom: 1rem; }
  .hero h1 { max-width: 6.5ch; font-size: clamp(2.05rem, 9.4vw, 2.4rem); line-height: 1.02; }
  .hero-lead { max-width: 13rem; margin-top: 1.5rem; font-size: .78rem; line-height: 1.6; }
  .hero-actions { align-items: flex-start; flex-direction: column; flex-wrap: nowrap; gap: .7rem; margin-top: 1.4rem; }
  .hero-actions .button { min-height: 3rem; padding: .75rem 1.2rem; }
  .hero-facts { bottom: 1rem; background: rgba(0,0,0,.84); backdrop-filter: blur(8px); }
  .hero-facts div { padding: .8rem .6rem 0; }
  .hero-facts strong { font-size: 1.5rem; }
  .hero-facts span { display: block; margin-top: .2rem; font-size: .55rem; }
  .section-pad { padding: 5rem 1.25rem; }
  .story { gap: 3.5rem; }
  .story-visual { width: 92%; }
  h2 { font-size: clamp(2.5rem, 12vw, 4rem); }
  .department-card { grid-template-columns: 2.5rem 1fr auto; gap: 1rem; padding: 1.5rem 0; }
  .department-desc { grid-column: 2 / 4; margin: 0; }
  .department-tag { grid-column: 3; grid-row: 1; }
  .service-tabs { display: flex; overflow-x: auto; border: 1px solid var(--line); scrollbar-width: none; }
  .service-tabs::-webkit-scrollbar { display: none; }
  .service-tabs button { flex: 0 0 8rem; min-width: 8rem; border-bottom: 0; }
  .service-tabs button:last-child { border-right: 0; }
  .service-panel { grid-template-columns: 1fr; }
  .service-panel article { min-height: 13rem; border-right: 0; }
  .service-footnote { grid-template-columns: 1fr; gap: .65rem; }
  .service-footnote a { justify-self: start; }
  .technology { padding-right: 0; }
  .tech-intro { display: block; padding-right: 1.25rem; }
  .device-carousel { grid-auto-columns: 78%; padding-right: 1.25rem; }
  .carousel-controls { margin-top: 1.5rem; }
  .oxygen { min-height: 0; }
  .oxygen-image img { height: 32rem; }
  .oxygen-copy { padding: 5rem 1.25rem; }
  .oxygen-copy dl { margin-top: 2.5rem; }
  .oxygen-copy dl div { padding: 1rem .35rem; }
  .oxygen-copy dt { font-size: 1rem; }
  .oxygen-copy dd { font-size: .55rem; }
  .culture-heading h2 { max-width: 100%; font-size: clamp(2.1rem, 10vw, 2.65rem); overflow-wrap: anywhere; }
  .culture-grid { grid-template-columns: 1fr; }
  .culture-card { grid-template-columns: 1fr; grid-template-rows: auto 1fr; min-height: 0; border-right: 0; border-bottom: 1px solid var(--line-light); }
  .culture-media { min-height: 0; aspect-ratio: 3/4; }
  .culture-copy { min-height: 13rem; padding: 1.75rem; }
  .culture-card:last-child { border-bottom: 0; }
  .founder-image { width: 88%; }
  .star { min-height: 0; }
  .star-visual { padding: .75rem; }
  .star-copy { width: 100%; max-width: 100%; padding: 4rem 1.25rem; }
  .star-copy h2 { max-width: 100%; font-size: clamp(2rem, 9vw, 2.35rem); line-height: 1.18; overflow-wrap: anywhere; word-break: break-all; }
  .star-copy p:not(.eyebrow) { max-width: 100%; overflow-wrap: anywhere; word-break: break-all; }
  .journey { grid-template-columns: 1fr; }
  .journey li { min-height: 13rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .journey li:last-child { border-bottom: 0; }
  .faq-list summary { font-size: .95rem; }
  .faq-list details p { padding-right: 1rem; }
  .choice-grid { grid-template-columns: repeat(2, 1fr); }
  .booking-contact { grid-template-columns: 1fr; }
  .booking-contact .contact-location { padding: 0 0 1rem; border-right: 0; border-bottom: 1px solid var(--line-light); }
  .booking-contact .contact-hours { border-top: 0; }
  .booking-form { padding: 1.25rem; }
  .site-footer nav { gap: 1.2rem; margin-bottom: 3rem; }
  .footer-bottom { gap: 1rem; }
  .summary-dialog { padding: 2rem 1.2rem 1.5rem; }
  .legal-header .brand-en { display: none; }
  .legal-main { padding-top: 4rem; }
  .privacy-summary { grid-template-columns: 1fr; }
  .privacy-summary article { min-height: 10rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .privacy-summary article:last-child { border-bottom: 0; }
  .legal-layout { grid-template-columns: 1fr; }
  .legal-toc { position: static; grid-template-columns: repeat(2, 1fr); column-gap: 1rem; }
  .legal-toc strong { grid-column: 1 / -1; }
  .legal-content > section { padding-left: 2.5rem; }
  .privacy-control { align-items: stretch; flex-direction: column; }
  .privacy-control button { width: 100%; }
  .legal-footer { gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}