:root {
  --ink: #403b34;
  --paper: #e8e1d6;
  --paper-deep: #d9cfc1;
  --wood: #916655;
  --moss: #7d7d6b;
  --acid: #b1b298;
  --deep-earth: #625e54;
  --deep-earth-2: #514b44;
  --cream: #eee8de;
  --line: rgba(64, 59, 52, .19);
  --max: 1440px;
  --pad: clamp(22px, 4.8vw, 76px);
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  --sans: Inter, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.7; }
body.menu-open, body.lightbox-open { overflow: hidden; }
img { display: block; width: 100%; }
button, input { font: inherit; }
a { color: inherit; }
::selection { background: var(--acid); color: var(--ink); }

.skip-link { position: fixed; left: 12px; top: -80px; z-index: 1000; padding: 10px 16px; background: var(--acid); text-decoration: none; }
.skip-link:focus { top: 12px; }
.section-pad { width: min(100%, var(--max)); margin: 0 auto; padding: clamp(90px, 11vw, 170px) var(--pad); }
.dark-section { width: 100%; max-width: none; background: var(--deep-earth); color: var(--cream); }
.dark-section > * { width: min(100%, calc(var(--max) - 2 * var(--pad))); margin-left: auto; margin-right: auto; }
.section-index { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }
.section-head { display: flex; justify-content: space-between; gap: 24px; margin-bottom: clamp(54px, 8vw, 110px); padding-bottom: 14px; border-bottom: 1px solid currentColor; }
.section-head > p { margin: 0; font-size: 11px; letter-spacing: .16em; }
.eyebrow { margin: 0 0 16px; font-size: 10px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; }
.eyebrow.light { color: #fff; }
h1, h2, h3, p { margin-top: 0; }
h2 { font-family: var(--serif); font-size: clamp(42px, 6vw, 90px); font-weight: 400; line-height: 1.08; letter-spacing: -.035em; }

.site-header { position: fixed; z-index: 100; top: 0; left: 0; right: 0; display: flex; align-items: center; justify-content: space-between; height: 74px; padding: 0 clamp(20px, 3.5vw, 54px); color: #fff; transition: background-color .35s, color .35s, transform .35s; }
.site-header.scrolled { background: rgba(232, 225, 214, .94); color: var(--ink); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.site-header.hidden { transform: translateY(-110%); }
.brand { display: flex; align-items: center; gap: 12px; font-size: 11px; font-weight: 600; letter-spacing: .12em; text-decoration: none; }
.brand-mark { display: inline-block; width: 18px; height: 18px; background: var(--acid); clip-path: polygon(0 0, 100% 28%, 62% 100%, 10% 72%); }
.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav a { font-size: 12px; text-decoration: none; }
.site-nav a::after { content: ""; display: block; width: 0; height: 1px; background: currentColor; transition: width .25s; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { width: 100%; }
.menu-button { display: none; color: inherit; background: none; border: 0; }

.hero { position: relative; min-height: 100svh; overflow: hidden; color: white; background: #766f63; }
.hero-image { position: absolute; inset: 0; height: 100%; object-fit: cover; animation: hero-in 1.4s cubic-bezier(.2,.8,.2,1) both; }
.hero-shade { position: absolute; inset: 0; background: rgba(86, 73, 62, .32); }
.hero-copy { position: absolute; left: var(--pad); top: 50%; transform: translateY(-43%); z-index: 2; }
.hero h1 { margin: 0 0 30px; font-family: var(--serif); font-size: clamp(78px, 13vw, 198px); font-weight: 400; line-height: .83; letter-spacing: -.08em; text-shadow: 0 2px 24px rgba(0,0,0,.13); }
.hero-lead { margin: 0; font-family: var(--serif); font-size: clamp(17px, 1.5vw, 23px); line-height: 1.7; }
.hero-meta { position: absolute; right: var(--pad); bottom: 48px; z-index: 2; display: grid; grid-template-columns: repeat(2, 100px); gap: 22px 32px; margin: 0; }
.hero-meta dt { margin-bottom: 2px; font-size: 9px; letter-spacing: .16em; opacity: .7; }
.hero-meta dd { margin: 0; font-family: var(--serif); font-size: 15px; }
.scroll-cue { position: absolute; z-index: 2; left: var(--pad); bottom: 44px; display: flex; align-items: center; gap: 14px; font-size: 10px; letter-spacing: .12em; text-decoration: none; }
.scroll-cue i { width: 62px; height: 1px; background: white; transform-origin: left; animation: pulse-line 2s infinite; }

.intro-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, .65fr); gap: clamp(50px, 10vw, 160px); align-items: end; }
.display-quote { margin: 0; }
.intro-body { font-family: var(--serif); font-size: 17px; }
.intro-body p:last-child { margin-bottom: 0; }

.concept-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px clamp(42px, 8vw, 120px); align-items: center; }
.concept-visual { margin: 0; }
.concept-visual img { height: clamp(520px, 69vw, 920px); object-fit: cover; }
.concept-visual span { display: block; margin-top: 12px; font-size: 10px; letter-spacing: .15em; }
.concept-copy h2 { font-size: clamp(45px, 6vw, 84px); }
.concept-copy > p:not(.eyebrow) { max-width: 570px; color: rgba(238,232,222,.82); }
.material-notes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.material-notes span { padding: 7px 12px; border: 1px solid rgba(238,232,222,.38); border-radius: 99px; font-size: 11px; }
.concept-detail { display: grid; grid-template-columns: .95fr 1.05fr; gap: 26px; grid-column: 1 / -1; margin: clamp(36px, 7vw, 100px) 0 0 22%; align-items: end; }
.concept-detail img { max-height: 680px; object-fit: cover; }
.concept-detail figcaption { max-width: 400px; padding-bottom: 20px; color: rgba(238,232,222,.8); font-family: var(--serif); font-size: 16px; }

.planning-intro, .compare-intro, .detail-lead { display: grid; grid-template-columns: 1.25fr .65fr; gap: 50px 9vw; align-items: end; margin-bottom: clamp(70px, 9vw, 130px); }
.planning-intro h2, .compare-intro h2, .detail-lead h2 { margin-bottom: 0; }
.planning-intro p, .compare-intro p, .detail-lead p { margin-bottom: 0; font-family: var(--serif); font-size: 16px; }
.plan-layout { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(300px, .6fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.plan-card { margin: 0; padding: 30px 38px 24px 0; border-right: 1px solid var(--line); }
.plan-image-frame { position: relative; aspect-ratio: 1.42 / 1; overflow: hidden; background: #ded5c8; }
.plan-card img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; transition: opacity .22s ease, transform .38s cubic-bezier(.2,.7,.2,1); }
.plan-card img[data-fit="cover"] { object-fit: cover; mix-blend-mode: normal; }
.plan-card img.is-changing { opacity: 0; transform: scale(.985); }
.plan-image-tag { position: absolute; left: 14px; top: 14px; padding: 6px 9px; color: var(--cream); background: rgba(101,88,76,.84); font-size: 9px; letter-spacing: .14em; }
.plan-card figcaption { margin-top: 12px; font-size: 10px; letter-spacing: .08em; color: #746e65; }
.room-explorer { padding: 36px 0 36px clamp(30px, 5vw, 80px); }
.room-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.room-tabs button { padding: 8px 14px; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 100px; cursor: pointer; font-size: 11px; }
.room-tabs button[aria-selected="true"] { color: white; background: var(--wood); border-color: var(--wood); }
.room-copy { margin-top: clamp(54px, 8vw, 110px); }
.room-copy h3 { font-family: var(--serif); font-size: 32px; font-weight: 400; line-height: 1.25; }
.room-copy > p:not(.eyebrow) { color: #716a61; font-family: var(--serif); }
.room-copy dl { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; }
.room-copy dt { font-size: 10px; color: #827a70; }
.room-copy dd { margin: 3px 0 0; font-family: var(--serif); }
.strategy-strip { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 90px; border-top: 1px solid var(--line); }
.strategy-strip article { padding: 28px 38px 0 0; }
.strategy-strip article + article { padding-left: 38px; border-left: 1px solid var(--line); }
.strategy-strip strong { color: var(--wood); font-size: 11px; }
.strategy-strip h3 { margin: 28px 0 10px; font-family: var(--serif); font-size: 25px; font-weight: 400; }
.strategy-strip p { color: #716a61; font-size: 13px; }

.model-section { width: 100%; max-width: none; background: #d5cbbd; }
.model-section > .section-head,
.model-section > .model-intro,
.model-section > .model-shell { width: min(100%, calc(var(--max) - 2 * var(--pad))); margin-left: auto; margin-right: auto; }
.model-intro { display: grid; grid-template-columns: 1.15fr .62fr; gap: 60px 9vw; align-items: end; margin-bottom: clamp(60px, 8vw, 110px); }
.model-intro h2 { margin-bottom: 0; }
.model-intro > div > p { margin-bottom: 18px; font-family: var(--serif); font-size: 16px; }
.model-intro .model-disclaimer { margin-bottom: 0; color: #746d63; font-family: var(--sans); font-size: 10px; letter-spacing: .08em; }
.model-shell { overflow: hidden; border: 1px solid rgba(64,59,52,.22); background: #c6baaa; box-shadow: 0 30px 80px rgba(79,67,56,.13); }
.model-journey { display: flex; align-items: center; gap: 12px; min-height: 54px; padding: 0 18px; color: #766e64; background: #ded5c9; border-bottom: 1px solid var(--line); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.model-journey span { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.model-journey b { color: var(--wood); font-size: 9px; }
.model-journey i { width: min(70px, 5vw); height: 1px; background: rgba(64,59,52,.22); }
.model-workspace { display: grid; grid-template-columns: minmax(210px, .56fr) minmax(460px, 1.35fr) minmax(280px, .72fr); min-height: 640px; }
.model-pane-head { display: flex; align-items: center; justify-content: space-between; min-height: 42px; padding: 0 14px; color: #72695f; background: rgba(232,225,214,.84); border-bottom: 1px solid var(--line); font-size: 9px; letter-spacing: .16em; }
.model-pane-head small { font-size: 9px; letter-spacing: .04em; }
.model-plan-panel { display: flex; min-width: 0; flex-direction: column; background: #dfd6ca; border-right: 1px solid var(--line); }
.model-plan-map { position: relative; margin: auto 0; background: #e7e0d6; }
.model-plan-map > img { width: 100%; height: auto; mix-blend-mode: multiply; }
.plan-hotspot { position: absolute; width: 18px; height: 18px; padding: 0; background: rgba(238,232,222,.94); border: 1px solid rgba(81,75,68,.52); border-radius: 50%; transform: translate(-50%,-50%); cursor: pointer; box-shadow: 0 3px 9px rgba(64,59,52,.18); }
.plan-hotspot::before { content: ""; position: absolute; inset: 5px; background: #8f6554; border-radius: 50%; transition: transform .25s, background .25s; }
.plan-hotspot span { position: absolute; left: 50%; bottom: calc(100% + 6px); padding: 3px 6px; color: #685f56; background: rgba(235,228,218,.94); border-radius: 2px; transform: translateX(-50%); font-size: 8px; line-height: 1.2; white-space: nowrap; opacity: 0; transition: opacity .2s; pointer-events: none; }
.plan-hotspot:hover span, .plan-hotspot:focus-visible span, .plan-hotspot[aria-selected="true"] span { opacity: 1; }
.plan-hotspot[aria-selected="true"] { border-color: #8f6554; }
.plan-hotspot[aria-selected="true"]::before { background: #8f6554; transform: scale(1.7); }
.hotspot-public { left: 49%; top: 65%; }
.hotspot-dining { left: 41%; top: 49%; }
.hotspot-entry { left: 56%; top: 44%; }
.hotspot-flex { left: 59.5%; top: 67%; }
.hotspot-master { left: 22%; top: 65%; }
.hotspot-north { left: 30%; top: 34%; }
.model-plan-caption { margin: auto 0 0; padding: 14px; color: #7a7167; border-top: 1px solid var(--line); font-size: 9px; line-height: 1.7; letter-spacing: .04em; }
.model-plan-caption span { color: var(--ink); font-family: var(--serif); font-size: 12px; }
.model-stage { position: relative; min-height: 640px; overflow: hidden; background: radial-gradient(circle at 50% 38%, #ddd5ca 0, #c7bbab 58%, #b9aa99 100%); outline: none; touch-action: none; }
.model-stage:focus-visible { box-shadow: inset 0 0 0 2px #8f6554; }
.model-stage canvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; cursor: grab; }
.model-stage canvas:active { cursor: grabbing; }
.model-pane-head-stage { position: absolute; z-index: 2; top: 0; left: 0; right: 0; background: rgba(222,213,201,.72); backdrop-filter: blur(8px); }
.model-loading { position: absolute; z-index: 3; inset: 0; display: grid; place-content: center; justify-items: center; gap: 14px; color: #6d6258; background: #cfc4b6; transition: opacity .45s, visibility .45s; }
.model-loading.is-ready { opacity: 0; visibility: hidden; }
.model-loading span { width: 34px; height: 34px; border: 1px solid rgba(64,59,52,.25); border-top-color: #8f6554; border-radius: 50%; animation: model-spin 1s linear infinite; }
.model-loading p { margin: 0; font-family: var(--serif); font-size: 13px; }
.model-toolbar { position: absolute; z-index: 2; top: 58px; left: 20px; display: flex; gap: 7px; }
.model-toolbar button { padding: 8px 12px; color: #f1ece4; background: rgba(97,87,77,.78); border: 1px solid rgba(255,255,255,.24); border-radius: 100px; backdrop-filter: blur(8px); cursor: pointer; font-size: 10px; letter-spacing: .05em; }
.model-toolbar button:hover, .model-toolbar button:focus-visible, .model-toolbar button[aria-pressed="true"] { background: #8f6554; }
.model-hint { position: absolute; z-index: 2; left: 20px; bottom: 16px; margin: 0; padding: 7px 10px; color: #f0e9df; background: rgba(85,76,68,.58); font-size: 9px; letter-spacing: .08em; backdrop-filter: blur(8px); }
.model-enter { display: none; }
.model-hint-touch { display: none; }
.model-panel { display: flex; min-width: 0; flex-direction: column; background: #e5ddd2; border-left: 1px solid rgba(64,59,52,.18); }
.model-zone-nav { display: grid; grid-template-columns: repeat(6, 1fr); background: #e5ddd2; border-bottom: 1px solid var(--line); }
.model-zone-nav button { min-height: 58px; padding: 12px 8px; color: #6f675e; background: transparent; border: 0; border-right: 1px solid var(--line); cursor: pointer; font-size: 11px; }
.model-zone-nav button:last-child { border-right: 0; }
.model-zone-nav button:hover, .model-zone-nav button:focus-visible { color: #8f6554; background: rgba(143,101,84,.08); }
.model-zone-nav button[aria-selected="true"] { color: white; background: #8f6554; }
.model-zone-image { aspect-ratio: 4 / 3; overflow: hidden; background: #bcb0a1; }
.model-zone-image img { height: 100%; object-fit: cover; transition: opacity .22s, transform .45s cubic-bezier(.2,.7,.2,1); }
.model-zone-image img.is-changing { opacity: 0; transform: scale(.985); }
.model-zone-copy { display: flex; min-height: 0; flex: 1; flex-direction: column; justify-content: center; padding: clamp(28px, 3vw, 46px); }
.model-zone-copy h3 { margin-bottom: 18px; font-family: var(--serif); font-size: clamp(28px, 2.6vw, 40px); font-weight: 400; line-height: 1.15; }
.model-zone-copy > p:not(.eyebrow) { color: #70685f; font-family: var(--serif); font-size: 14px; }
.model-zone-copy dl { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: auto 0 0; padding-top: 28px; border-top: 1px solid var(--line); }
.model-zone-copy dt { color: #887f75; font-size: 9px; }
.model-zone-copy dd { margin: 4px 0 0; font-family: var(--serif); font-size: 13px; }
@keyframes model-spin { to { transform: rotate(360deg); } }

.reality { padding-bottom: 60px; }
.compare { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #c7bcad; }
.compare-after, .compare-before, .compare-before img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.compare-before { width: var(--position); overflow: hidden; }
.compare-before img { width: calc(100vw - 2 * var(--pad)); max-width: calc(var(--max) - 2 * var(--pad)); }
.compare input { position: absolute; inset: 0; z-index: 4; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.compare-line { position: absolute; z-index: 3; top: 0; bottom: 0; left: var(--position); width: 2px; background: white; transform: translateX(-50%); pointer-events: none; }
.compare-line i { position: absolute; left: 50%; top: 50%; width: 44px; height: 44px; background: white; border-radius: 50%; transform: translate(-50%,-50%); box-shadow: 0 3px 20px rgba(0,0,0,.25); }
.compare-line i::before, .compare-line i::after { content: ""; position: absolute; top: 17px; width: 8px; height: 8px; border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.compare-line i::before { left: 10px; transform: rotate(-45deg); }
.compare-line i::after { right: 10px; transform: rotate(135deg); }
.compare-label { position: absolute; z-index: 2; top: 18px; padding: 6px 10px; color: var(--cream); background: rgba(95,82,70,.76); font-size: 10px; letter-spacing: .12em; }
.before-label { left: 18px; }
.after-label { right: 18px; }
.compare-caption { margin: 12px 0 0; font-size: 11px; color: #766f66; }

.gallery-section { padding-top: 90px; background: var(--paper-deep); }
.gallery-title { display: grid; grid-template-columns: 1.1fr .6fr; gap: 8vw; padding-top: 0; padding-bottom: 80px; align-items: end; }
.gallery-title h2 { margin-bottom: 0; }
.gallery-title > p { margin-bottom: 0; max-width: 460px; font-family: var(--serif); }
.photo-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: minmax(260px, 35vw); grid-auto-flow: dense; gap: 4px; }
.photo { position: relative; padding: 0; overflow: hidden; background: #bdb2a3; border: 0; cursor: zoom-in; }
.photo img { height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.7,.2,1), filter .7s; }
.photo:hover img, .photo:focus-visible img { transform: scale(1.025); filter: brightness(.85); }
.photo span { position: absolute; left: 16px; bottom: 14px; color: white; font-size: 10px; letter-spacing: .08em; opacity: 0; transform: translateY(8px); transition: .35s; }
.photo:hover span, .photo:focus-visible span { opacity: 1; transform: none; }
.p-wide { grid-column: span 2; }
.p-triple { grid-column: span 3; }
.p-tall { grid-row: span 2; }

.detail-lead p { color: rgba(238,232,222,.8); }
.detail-list { border-top: 1px solid rgba(238,232,222,.32); }
.detail-row { display: grid; grid-template-columns: 70px minmax(300px, .8fr) minmax(300px, .7fr); gap: 4vw; padding: 54px 0; align-items: center; border-bottom: 1px solid rgba(238,232,222,.32); }
.detail-row.reverse .detail-image { order: 3; }
.detail-row.reverse .detail-copy { order: 2; }
.detail-number { align-self: start; color: var(--acid); font-size: 10px; letter-spacing: .12em; }
.detail-image img { max-height: 610px; object-fit: cover; }
.detail-copy h3 { font-family: var(--serif); font-size: clamp(30px, 4vw, 54px); font-weight: 400; line-height: 1.1; }
.detail-copy p { max-width: 520px; color: rgba(238,232,222,.8); font-family: var(--serif); }
.detail-copy span { font-size: 9px; letter-spacing: .14em; color: var(--acid); }
.drawing-figure { display: grid; grid-template-columns: 1.5fr .5fr; gap: 40px; margin: 130px auto 0; padding-top: 28px; border-top: 1px solid rgba(238,232,222,.32); }
.drawing-figure img { filter: invert(.9) sepia(.2); mix-blend-mode: screen; }
.drawing-figure figcaption span { font-size: 10px; color: var(--acid); }
.drawing-figure figcaption p { margin-top: 14px; color: rgba(238,232,222,.8); font-family: var(--serif); }

.specs-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.specs-title, .spec-card { min-height: 330px; padding: clamp(28px, 3.5vw, 50px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.specs-title { grid-row: span 2; display: flex; flex-direction: column; justify-content: space-between; background: var(--wood); color: white; }
.specs-title h2 { font-size: clamp(40px, 4.5vw, 66px); }
.specs-title p { max-width: 320px; font-family: var(--serif); color: rgba(255,255,255,.72); }
.spec-card { display: flex; flex-direction: column; justify-content: flex-end; }
.spec-card strong { margin-bottom: auto; font-family: var(--serif); font-size: clamp(50px, 6vw, 92px); font-weight: 400; line-height: 1; }
.spec-card strong small { font-size: .3em; }
.spec-card h3 { margin-bottom: 7px; font-family: var(--serif); font-size: 22px; font-weight: 400; }
.spec-card p { margin-bottom: 0; color: #746e65; font-size: 12px; }
.palette { display: grid; grid-template-columns: 1.2fr repeat(4, 1fr); margin-top: 100px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.palette > * { min-height: 210px; padding: 26px; border-right: 1px solid var(--line); }
.palette > *:last-child { border-right: 0; }
.palette-label h3 { font-family: var(--serif); font-size: 28px; font-weight: 400; }
.swatch { display: flex; flex-direction: column; justify-content: flex-end; color: white; }
.swatch span { font-family: var(--serif); font-size: 17px; }
.swatch small { opacity: .65; }
.swatch.wood { background: #8d6354; }
.swatch.stone { background: #707b6e; }
.swatch.plaster { color: var(--ink); background: #cfc4b5; }
.swatch.brass { color: var(--ink); background: #a78d67; }

.furnishing { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(50px, 9vw, 130px); align-items: center; }
.furnishing-visual img { max-height: 880px; object-fit: cover; }
.furnishing-copy h2 { margin: 50px 0 30px; font-size: clamp(42px, 5vw, 76px); }
.furnishing-copy > p { max-width: 580px; font-family: var(--serif); }
.furnishing-copy ul { margin: 48px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.furnishing-copy li { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 11px; }
.furnishing-copy li strong { text-align: right; font-weight: 500; }

.timeline-grid { display: grid; grid-template-columns: .65fr 1.1fr; gap: 10vw; }
.timeline-intro h2 { font-size: clamp(52px, 7vw, 100px); }
.timeline-intro p { max-width: 380px; color: rgba(238,232,222,.76); font-family: var(--serif); }
.timeline ol { margin: 0; padding: 0; list-style: none; }
.timeline li { display: grid; grid-template-columns: 110px 1fr; gap: 32px; padding: 0 0 42px; position: relative; }
.timeline li::before { content: ""; position: absolute; left: 5px; top: 12px; bottom: 0; width: 1px; background: rgba(238,232,222,.3); }
.timeline li::after { content: ""; position: absolute; left: 2px; top: 8px; width: 7px; height: 7px; background: var(--acid); border-radius: 50%; }
.timeline time { padding-left: 24px; color: var(--acid); font-size: 10px; letter-spacing: .1em; }
.timeline h3 { margin-bottom: 5px; font-family: var(--serif); font-size: 23px; font-weight: 400; }
.timeline li p { color: rgba(238,232,222,.74); font-size: 12px; }
.archive-links { margin-top: 120px; border-top: 1px solid rgba(238,232,222,.32); }
.archive-links > p { padding-top: 18px; color: var(--acid); font-size: 10px; letter-spacing: .12em; }
.archive-links a { display: flex; justify-content: space-between; padding: 20px 0; border-bottom: 1px solid rgba(238,232,222,.32); text-decoration: none; font-family: var(--serif); font-size: 18px; }
.archive-links a:hover { color: var(--acid); }
.archive-links span { font-family: var(--sans); font-size: 10px; letter-spacing: .1em; }

.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 40px var(--pad); background: var(--deep-earth-2); color: var(--cream); font-size: 11px; }
.site-footer > div { display: flex; align-items: center; gap: 12px; }
.site-footer p { margin: 0; opacity: .55; }
.site-footer a { text-decoration: none; }

.lightbox { width: 100vw; max-width: none; height: 100vh; max-height: none; padding: 0; background: rgba(74,68,61,.96); border: 0; }
.lightbox::backdrop { background: rgba(74,68,61,.96); }
.lightbox img { width: 100%; height: 100%; padding: 60px; object-fit: contain; }
.lightbox button { position: fixed; z-index: 2; right: 24px; top: 18px; padding: 8px 12px; color: white; background: transparent; border: 1px solid rgba(255,255,255,.35); cursor: pointer; }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.visible { opacity: 1; transform: none; }
@keyframes hero-in { from { opacity: 0; transform: scale(1.04); } to { opacity: 1; transform: scale(1); } }
@keyframes pulse-line { 0%,100% { transform: scaleX(1); } 50% { transform: scaleX(.4); } }

@media (max-width: 980px) {
  .menu-button { display: flex; align-items: center; gap: 10px; cursor: pointer; }
  .menu-button i { position: relative; width: 20px; height: 1px; background: currentColor; }
  .menu-button i::after { content: ""; position: absolute; left: 0; top: 6px; width: 20px; height: 1px; background: currentColor; }
  .site-nav { position: fixed; inset: 74px 0 auto 0; display: grid; gap: 0; padding: 24px var(--pad) 50px; background: var(--paper); color: var(--ink); border-bottom: 1px solid var(--line); transform: translateY(-140%); transition: transform .35s; }
  .site-nav.open { transform: none; }
  .site-nav a { padding: 14px 0; font-family: var(--serif); font-size: 24px; border-bottom: 1px solid var(--line); }
  .intro-grid, .planning-intro, .compare-intro, .detail-lead, .gallery-title, .timeline-grid, .model-intro { grid-template-columns: 1fr; }
  .plan-layout { grid-template-columns: 1fr; }
  .plan-card { padding-right: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .room-explorer { padding-left: 0; }
  .concept-detail { margin-left: 8%; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-row { grid-template-columns: 46px 1fr; }
  .detail-image { grid-column: 2; }
  .detail-copy { grid-column: 2; }
  .detail-row.reverse .detail-image, .detail-row.reverse .detail-copy { order: initial; }
  .drawing-figure { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: repeat(2, 1fr); }
  .specs-title { grid-row: auto; grid-column: span 2; }
  .palette { grid-template-columns: repeat(2, 1fr); }
  .palette-label { grid-column: span 2; min-height: 140px; }
  .furnishing { grid-template-columns: .8fr 1.2fr; }
  .model-workspace { grid-template-columns: minmax(190px, .55fr) minmax(0, 1.45fr); min-height: 560px; }
  .model-stage { min-height: 560px; }
  .model-panel { display: grid; grid-template-columns: .9fr 1.1fr; grid-column: 1 / -1; min-height: 390px; border-top: 1px solid var(--line); border-left: 0; }
  .model-panel > .model-pane-head { grid-column: 1 / -1; }
  .model-zone-image { height: 100%; aspect-ratio: auto; }
}

@media (max-width: 680px) {
  .site-header { height: 62px; }
  .site-nav { top: 62px; }
  .hero-copy { top: 44%; }
  .hero h1 { font-size: clamp(78px, 26vw, 120px); }
  .hero-image { object-position: 58% center; }
  .hero-meta { right: auto; left: var(--pad); bottom: 28px; grid-template-columns: repeat(4, auto); gap: 18px; }
  .hero-meta div:nth-child(n+4) { display: none; }
  .scroll-cue { display: none; }
  .section-head { align-items: end; }
  .section-head > p { text-align: right; }
  h2 { font-size: clamp(39px, 12vw, 58px); }
  .concept-grid { grid-template-columns: 1fr; }
  .concept-visual img { height: 120vw; }
  .concept-detail { grid-template-columns: 1fr; margin-left: 0; }
  .strategy-strip { grid-template-columns: 1fr; }
  .strategy-strip article { padding: 28px 0; }
  .strategy-strip article + article { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .model-intro { margin-bottom: 42px; }
  .model-section > .model-shell { margin-left: calc(-1 * var(--pad)); margin-right: calc(-1 * var(--pad)); width: calc(100% + 2 * var(--pad)); border-right: 0; border-left: 0; box-shadow: 0 18px 46px rgba(79,67,56,.11); }
  .model-journey { justify-content: space-between; gap: 6px; padding: 0 14px; }
  .model-journey i { flex: 1; width: auto; }
  .model-zone-nav { display: flex; overflow-x: auto; padding: 0 10px; scrollbar-width: none; scroll-snap-type: x proximity; }
  .model-zone-nav::-webkit-scrollbar { display: none; }
  .model-zone-nav button { flex: 0 0 auto; min-width: 84px; min-height: 50px; border-right: 0; scroll-snap-align: center; }
  .model-workspace { position: relative; display: grid; grid-template-columns: 1fr; min-height: 0; }
  .model-plan-panel { position: absolute; z-index: 5; top: 58px; right: 12px; width: min(42vw, 176px); overflow: hidden; border: 1px solid rgba(64,59,52,.3); border-radius: 3px; box-shadow: 0 8px 28px rgba(71,61,52,.18); }
  .model-plan-panel .model-pane-head { min-height: 31px; padding: 0 8px; }
  .model-plan-panel .model-pane-head small, .model-plan-caption { display: none; }
  .model-plan-map { margin: 0; }
  .plan-hotspot { width: 14px; height: 14px; }
  .plan-hotspot::before { inset: 4px; }
  .plan-hotspot span { display: none; }
  .model-stage { min-height: min(62svh, 520px); touch-action: pan-y; }
  .model-stage.is-interacting { touch-action: none; overscroll-behavior: contain; }
  .model-pane-head-stage { padding-right: calc(min(42vw, 176px) + 24px); }
  .model-toolbar { top: 48px; left: 12px; }
  .model-toolbar button { min-height: 36px; }
  .model-toolbar [data-model-rotate] { display: none; }
  .model-enter { position: absolute; z-index: 4; left: 50%; bottom: 52px; display: grid; gap: 2px; min-width: 190px; padding: 12px 18px; color: #f4eee5; background: rgba(101,88,76,.88); border: 1px solid rgba(255,255,255,.36); border-radius: 100px; transform: translateX(-50%); box-shadow: 0 8px 28px rgba(64,59,52,.2); backdrop-filter: blur(10px); }
  .model-enter span { font-size: 12px; }
  .model-enter small { font-size: 8px; letter-spacing: .03em; }
  .model-stage.is-interacting .model-enter { top: 48px; right: 12px; bottom: auto; left: auto; min-width: 0; padding: 8px 11px; transform: none; }
  .model-stage.is-interacting .model-enter span { font-size: 10px; }
  .model-stage.is-interacting .model-enter span::before { content: "退出 "; }
  .model-stage.is-interacting .model-enter small { display: none; }
  .model-hint { left: 12px; right: 12px; bottom: 10px; text-align: center; }
  .model-hint { display: none; }
  .model-stage.is-interacting .model-hint { display: block; }
  .model-hint-desktop { display: none; }
  .model-hint-touch { display: inline; }
  .model-panel { display: grid; grid-template-columns: 42% 58%; grid-column: auto; min-height: 0; border-top: 1px solid var(--line); border-left: 0; }
  .model-panel > .model-pane-head { grid-column: 1 / -1; }
  .model-zone-image { height: 100%; min-height: 230px; aspect-ratio: auto; }
  .model-zone-copy { min-height: 230px; padding: 22px 18px; }
  .model-zone-copy .eyebrow { margin-bottom: 10px; font-size: 8px; }
  .model-zone-copy h3 { margin-bottom: 10px; font-size: clamp(23px, 7vw, 30px); }
  .model-zone-copy > p:not(.eyebrow) { display: -webkit-box; overflow: hidden; font-size: 12px; line-height: 1.65; -webkit-box-orient: vertical; -webkit-line-clamp: 4; }
  .model-zone-copy dl { display: none; }
  .compare { aspect-ratio: 4 / 5; }
  .compare-before img { width: calc(100vw - 2 * var(--pad)); max-width: none; }
  .photo-grid { grid-auto-rows: 72vw; }
  .p-wide, .p-triple { grid-column: span 2; }
  .p-tall { grid-row: auto; }
  .detail-row { gap: 18px; padding: 38px 0; }
  .detail-copy h3 { font-size: 34px; }
  .specs-grid { grid-template-columns: 1fr; }
  .specs-title { grid-column: auto; }
  .specs-title, .spec-card { min-height: 270px; }
  .palette { grid-template-columns: 1fr 1fr; }
  .palette-label { grid-column: span 2; }
  .furnishing { grid-template-columns: 1fr; }
  .furnishing-copy { order: -1; }
  .timeline li { grid-template-columns: 88px 1fr; gap: 18px; }
  .site-footer { align-items: flex-start; flex-direction: column; }
  .site-footer p { display: none; }
  .lightbox img { padding: 48px 12px 12px; }
}

@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; }
}