:root {
  color-scheme: light;
  --paper: #f3f0e8;
  --ink: #182126;
  --blue: #31566f;
  --orange: #d7a087;
  --line: #c5c4bc;
  --muted: #697173;
  --pad: clamp(1rem, 3.25vw, 3.5rem);
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.65; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, ol, figure, dl, dd { margin: 0; }
ol { padding: 0; }
img { display: block; width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a, summary, button { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
[id] { scroll-margin-top: 5.5rem; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
::selection { background: var(--orange); color: var(--ink); }
.skip-link { position: fixed; z-index: 100; top: 1rem; left: 1rem; padding: .65rem 1rem; background: var(--orange); transform: translateY(-180%); font-weight: 800; }
.skip-link:focus { transform: translateY(0); }
.section-no { font-size: .64rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }

.site-header { position: sticky; z-index: 50; top: 0; min-height: 76px; padding-left: max(var(--pad), env(safe-area-inset-left)); border-bottom: 1px solid var(--ink); background: rgb(243 240 232 / .94); backdrop-filter: blur(12px); display: grid; grid-template-columns: minmax(15rem, 1fr) auto auto; align-items: stretch; }
.brand { min-height: 75px; display: inline-flex; align-items: center; gap: .8rem; justify-self: start; }
.brand-mark { width: 2.6rem; height: 2.6rem; position: relative; display: grid; place-items: center; border: 1px solid var(--ink); overflow: hidden; }
.brand-mark b { z-index: 1; font-size: .8rem; letter-spacing: -.05em; }
.brand-mark i { position: absolute; right: -.8rem; bottom: -.8rem; width: 2rem; height: 2rem; background: var(--orange); transform: rotate(45deg); }
.brand-name { display: grid; line-height: 1; }
.brand-name b { font-size: .94rem; letter-spacing: .1em; }
.brand-name small { margin-top: .38rem; color: var(--muted); font-size: .48rem; font-weight: 800; letter-spacing: .18em; }
.desktop-nav { display: flex; align-items: stretch; border-left: 1px solid var(--ink); }
.desktop-nav a, .language, .header-cta { min-height: 75px; padding: 0 clamp(.8rem, 1.6vw, 1.5rem); display: flex; align-items: center; justify-content: center; border-right: 1px solid var(--ink); font-size: .72rem; font-weight: 750; }
.desktop-nav a:hover, .language:hover { background: var(--ink); color: var(--paper); }
.header-end { display: flex; align-items: stretch; }
.header-cta { min-width: 7rem; background: var(--orange); }
.header-cta:hover { background: var(--ink); color: var(--paper); }
.mobile-menu { display: none; position: relative; }
.mobile-menu summary { height: 100%; min-width: 4.5rem; display: grid; place-items: center; list-style: none; cursor: pointer; font-size: .72rem; font-weight: 800; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu nav { position: absolute; top: 100%; right: 0; width: min(82vw, 21rem); padding: .5rem 1rem; border: 1px solid var(--ink); background: var(--paper); box-shadow: 0 18px 40px rgb(24 33 38 / .15); }
.mobile-menu nav a { min-height: 48px; display: flex; align-items: center; border-bottom: 1px solid var(--line); font-size: .82rem; font-weight: 700; }

.hero { min-height: calc(100svh - 76px); position: relative; padding: clamp(5rem, 10vw, 9rem) max(var(--pad), env(safe-area-inset-right)) clamp(3rem, 6vw, 5rem) max(var(--pad), env(safe-area-inset-left)); display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(24rem, .72fr); gap: clamp(2rem, 6vw, 7rem); align-items: end; background-color: var(--paper); background-image: linear-gradient(rgb(24 33 38 / .075) 1px, transparent 1px), linear-gradient(90deg, rgb(24 33 38 / .075) 1px, transparent 1px); background-size: 5vw 5vw; overflow: hidden; }
.measure-x { position: absolute; top: 0; left: var(--pad); right: var(--pad); display: flex; justify-content: space-between; color: var(--muted); font-size: .52rem; font-weight: 700; }
.measure-x::before { content: ""; position: absolute; left: 0; right: 0; top: 1.15rem; border-top: 1px solid var(--ink); }
.measure-x span { padding-top: 1.45rem; position: relative; }
.measure-x span::before { content: ""; position: absolute; top: .82rem; left: 50%; height: .65rem; border-left: 1px solid var(--ink); }
.hero-copy { position: relative; z-index: 2; align-self: center; padding-top: 2rem; }
.eyebrow { display: flex; align-items: center; gap: .65rem; font-size: .68rem; font-weight: 850; letter-spacing: .12em; }
.eyebrow i { width: .65rem; height: .65rem; background: var(--orange); border-radius: 50%; }
.hero h1 { margin: clamp(1.5rem, 3vw, 2.8rem) 0 2rem; display: grid; gap: .12em; font-size: clamp(4.1rem, 8.8vw, 9rem); line-height: .92; letter-spacing: -.055em; }
.hero h1 span, .hero h1 strong { display: block; white-space: nowrap; }
.hero h1 strong { margin-left: .3em; color: var(--blue); font-weight: 900; }
.hero-lead { max-width: 35rem; margin-left: clamp(0rem, 8vw, 8rem); padding-left: 1.25rem; border-left: 1px solid var(--ink); font-size: clamp(.95rem, 1.3vw, 1.12rem); }
.hero-actions { margin: 2rem 0 0 clamp(0rem, 8vw, 8rem); display: flex; flex-wrap: wrap; align-items: center; gap: .8rem 1.4rem; }
.hero-call { min-height: 50px; padding: .7rem 1rem; display: inline-flex; align-items: center; gap: 1.4rem; background: var(--ink); color: var(--paper); font-size: .72rem; font-weight: 750; }
.hero-call b { font-size: .82rem; letter-spacing: .03em; }
.hero-call:hover { background: var(--blue); }
.arrow-link { min-height: 48px; display: inline-flex; align-items: center; gap: 2.2rem; border-bottom: 2px solid var(--ink); font-size: .78rem; font-weight: 850; }
.arrow-link:hover { color: var(--blue); border-color: var(--blue); }
.hero-visual { position: relative; align-self: end; margin-bottom: clamp(1rem, 3vw, 3rem); }
.hero-visual::before { content: ""; position: absolute; z-index: 2; top: -2rem; right: -2rem; width: 38%; aspect-ratio: 1; border: 3px solid var(--orange); border-left: 0; border-bottom: 0; }
.hero-visual img { aspect-ratio: 4 / 5; object-fit: cover; clip-path: polygon(0 8%, 84% 8%, 84% 0, 100% 0, 100% 90%, 90% 90%, 90% 100%, 0 100%); filter: saturate(.76) contrast(1.04); }
.hero-visual figcaption { width: 80%; margin: -3.4rem 0 0 -2.3rem; position: relative; padding: 1.05rem 1.2rem; background: var(--ink); color: var(--paper); display: grid; }
.hero-visual figcaption b { font-size: .9rem; }
.hero-visual figcaption span { color: #bdc4c2; font-size: .68rem; }
.coordinate-tag { position: absolute; z-index: 3; top: 1.2rem; left: -1.8rem; display: grid; background: var(--orange); padding: .6rem .75rem; font-size: .55rem; font-weight: 850; line-height: 1.4; }
.hero-code { position: absolute; right: -2vw; bottom: -3vw; color: rgb(24 33 38 / .07); line-height: .72; pointer-events: none; }
.hero-code b { display: block; font-size: clamp(10rem, 24vw, 25rem); letter-spacing: -.14em; }
.hero-code span { display: none; }
.concept-note { position: absolute; z-index: 3; right: var(--pad); bottom: 1rem; padding: .25rem .45rem; background: var(--paper); font-size: .56rem; }

.statement { min-height: 90vh; position: relative; padding: clamp(6rem, 12vw, 12rem) var(--pad); background: var(--ink); color: var(--paper); overflow: hidden; }
.statement::before { content: ""; position: absolute; top: 0; left: 16%; height: 100%; border-left: 1px solid #465052; }
.statement::after { content: ""; position: absolute; right: -9rem; top: 15%; width: 20rem; height: 20rem; border: 3.5rem solid var(--blue); border-radius: 50%; }
.vertical-label { position: absolute; left: 2.1rem; bottom: 3rem; color: #788183; font-size: .55rem; font-weight: 800; letter-spacing: .18em; writing-mode: vertical-rl; transform: rotate(180deg); }
.statement-inner { width: min(76rem, 78vw); margin-left: 18%; position: relative; z-index: 1; }
.statement .section-no { color: var(--orange); }
.statement h2 { max-width: 18ch; margin: 2rem 0 clamp(5rem, 9vw, 9rem); font-size: clamp(2.8rem, 6.5vw, 6.7rem); line-height: 1.08; letter-spacing: -.06em; font-weight: 650; }
.axis-notes { max-width: 58rem; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #7b8586; }
.axis-notes div { min-height: 11rem; padding: 1.2rem 1.2rem 1.2rem 0; border-right: 1px solid #465052; }
.axis-notes div + div { padding-left: 1.2rem; }
.axis-notes span { color: var(--orange); font-size: .68rem; font-weight: 900; }
.axis-notes h3 { margin: 2rem 0 .4rem; font-size: 1rem; }
.axis-notes p { color: #b8c0be; font-size: .78rem; }

.work { padding: clamp(6rem, 10vw, 10rem) var(--pad); }
.work-heading { margin-bottom: clamp(5rem, 10vw, 10rem); display: grid; grid-template-columns: 1fr minmax(20rem, .38fr); gap: 3rem; align-items: end; }
.work-heading h2 { margin-top: 1rem; font-size: clamp(4rem, 9vw, 9rem); line-height: .85; letter-spacing: -.09em; }
.work-heading > p { max-width: 32rem; color: var(--muted); font-size: .86rem; }
.case { max-width: 88rem; min-height: 46rem; margin-inline: auto; position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(20rem, .42fr); gap: clamp(2rem, 6vw, 7rem); align-items: end; }
.case + .case { margin-top: clamp(10rem, 17vw, 18rem); }
.case figure { position: relative; z-index: 1; }
.case figure::after { content: ""; position: absolute; inset: 1.2rem -1.2rem -1.2rem 1.2rem; border: 1px solid var(--ink); z-index: -1; }
.case img { aspect-ratio: 1.35 / 1; object-fit: cover; filter: saturate(.78); }
.case-number { position: absolute; z-index: 0; top: -4.5rem; right: 0; color: var(--orange); font-size: clamp(10rem, 23vw, 23rem); font-weight: 900; line-height: .75; letter-spacing: -.12em; }
.case-copy { position: relative; z-index: 2; padding-bottom: 2rem; }
.case-type { color: var(--blue); font-size: .6rem; font-weight: 850; letter-spacing: .16em; }
.case h3 { max-width: 8ch; margin: 1.2rem 0; font-size: clamp(2.2rem, 4.4vw, 4.4rem); line-height: 1.02; letter-spacing: -.055em; }
.case-copy > p:nth-child(3) { max-width: 29rem; color: var(--muted); }
.case dl { margin-top: 2rem; border-top: 1px solid var(--ink); }
.case dl div { padding-block: .8rem; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 4rem 1fr; gap: 1rem; font-size: .7rem; }
.case dt { color: var(--blue); font-weight: 850; }
.case-b { grid-template-columns: minmax(20rem, .42fr) minmax(0, 1fr); }
.case-b figure { grid-column: 2; }
.case-b .case-copy { grid-column: 1; grid-row: 1; }
.case-b .case-number { left: -.05em; right: auto; color: var(--blue); }
.case-c .case-number { color: var(--ink); }
.honesty { max-width: 51rem; margin: clamp(8rem, 13vw, 13rem) auto 0; padding-top: 1rem; border-top: 1px solid var(--ink); color: var(--muted); font-size: .68rem; }
.honesty b { margin-right: 1rem; color: var(--ink); }

.services { position: relative; padding: clamp(6rem, 10vw, 10rem) var(--pad); display: grid; grid-template-columns: minmax(17rem, .43fr) minmax(28rem, .72fr); gap: clamp(3rem, 8vw, 9rem); background: var(--blue); color: #fff; overflow: hidden; }
.services::after { content: ""; position: absolute; right: -7rem; bottom: -7rem; width: 18rem; height: 18rem; border: 2.6rem solid var(--orange); transform: rotate(45deg); }
.services-title { position: relative; z-index: 1; }
.services-title .section-no { color: #c9d9df; }
.services h2 { max-width: 11ch; margin: 1.5rem 0 2rem; font-size: clamp(2.8rem, 5.2vw, 5.2rem); line-height: 1.08; letter-spacing: -.06em; }
.services-title > p:last-child { max-width: 31rem; color: #e0e8e7; }
.service-index { list-style: none; border-top: 1px solid rgb(255 255 255 / .68); }
.service-index li { min-height: 9rem; padding: 1.25rem 0; display: grid; grid-template-columns: 3rem 1fr; align-content: center; border-bottom: 1px solid rgb(255 255 255 / .3); }
.service-index span { grid-row: 1 / span 2; color: var(--orange); font-size: .65rem; font-weight: 900; }
.service-index h3 { font-size: clamp(1.2rem, 2vw, 1.9rem); line-height: 1.3; }
.service-index p { margin-top: .35rem; color: #ccd9da; font-size: .75rem; }
.services-image { grid-column: 1 / -1; width: min(62rem, 76%); margin: 2rem auto -14rem; position: relative; z-index: 2; }
.services-image img { aspect-ratio: 16 / 8.6; object-fit: cover; filter: saturate(.72); }
.services-image figcaption { position: absolute; left: -2.4rem; top: 0; padding: .75rem 1rem; background: var(--orange); color: var(--ink); font-size: .58rem; font-weight: 900; letter-spacing: .14em; writing-mode: vertical-rl; }

.method { padding: clamp(14rem, 20vw, 20rem) var(--pad) clamp(7rem, 12vw, 12rem); background: var(--paper); }
.method header { display: grid; grid-template-columns: minmax(10rem, .3fr) 1fr; }
.method h2 { max-width: 12ch; font-size: clamp(3rem, 6vw, 6.2rem); line-height: 1.05; letter-spacing: -.065em; }
.trajectory { margin-top: clamp(5rem, 9vw, 9rem); position: relative; display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; }
.trajectory::before { content: ""; position: absolute; top: .72rem; left: 0; right: 0; border-top: 2px solid var(--ink); }
.trajectory li { position: relative; min-height: 16rem; padding: 3.2rem clamp(1rem, 2vw, 2rem) 1rem 0; }
.trajectory .dot { position: absolute; z-index: 1; top: .28rem; left: 0; width: .9rem; height: .9rem; border: 2px solid var(--ink); border-radius: 50%; background: var(--paper); }
.trajectory li:first-child .dot, .trajectory li:last-child .dot { background: var(--orange); }
.trajectory small { color: var(--blue); font-weight: 900; }
.trajectory h3 { margin: 1.4rem 0 .8rem; font-size: clamp(1.7rem, 2.8vw, 2.8rem); }
.trajectory p { max-width: 15rem; color: var(--muted); font-size: .8rem; }

.about { min-height: 42rem; position: relative; padding: clamp(6rem, 10vw, 10rem) var(--pad); display: grid; place-items: center; background: var(--ink); color: var(--paper); overflow: hidden; }
.about-word { position: absolute; left: 50%; top: 50%; color: transparent; -webkit-text-stroke: 1px #465052; transform: translate(-50%, -50%); font-size: clamp(8rem, 24vw, 25rem); font-weight: 900; line-height: .75; letter-spacing: -.1em; }
.about-copy { width: min(44rem, 74vw); position: relative; z-index: 1; }
.about-copy .section-no { color: var(--orange); }
.brand-slogan { margin: 1.8rem 0 2rem; padding-block: 1.4rem; border-top: 1px solid #788183; border-bottom: 1px solid #566164; display: grid; gap: .25rem; font-size: clamp(2.2rem, 4.5vw, 4.5rem); line-height: 1.12; letter-spacing: -.055em; }
.brand-slogan > span { display: flex; gap: .7em; }
.brand-slogan b { font-weight: 750; }
.brand-slogan em { color: var(--orange); font-style: normal; font-weight: 750; }
.about-name { margin-bottom: .8rem; color: var(--paper) !important; font-size: clamp(1.15rem, 1.7vw, 1.45rem) !important; font-weight: 750; }
.about-copy > p:not(.section-no) { max-width: 39rem; color: #d8dddb; font-size: 1rem; }
.about-copy .legal { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid #566164; color: #9ea7a6; font-size: .68rem; }

.contact { min-height: 80vh; position: relative; padding: clamp(6rem, 10vw, 10rem) var(--pad); display: grid; grid-template-columns: minmax(0, 1fr) minmax(16rem, .35fr); gap: 4rem; align-items: end; background: var(--orange); overflow: hidden; }
.contact-code { position: absolute; top: -2.5rem; right: -1rem; color: rgb(24 33 38 / .08); font-size: clamp(8rem, 22vw, 22rem); font-weight: 900; line-height: 1; letter-spacing: -.1em; white-space: nowrap; }
.contact-copy, .contact-offices { position: relative; z-index: 1; }
.contact h2 { max-width: 12ch; margin: 1.5rem 0 2rem; font-size: clamp(3.4rem, 7.5vw, 7.7rem); line-height: .94; letter-spacing: -.075em; }
.contact h2 em { color: var(--blue); font-style: normal; }
.contact-copy > p:nth-of-type(2) { max-width: 38rem; }
.contact-button { min-height: 58px; margin-top: 2.2rem; padding: .8rem 1.2rem; display: inline-flex; align-items: center; gap: 4rem; background: var(--ink); color: var(--paper); font-size: .8rem; font-weight: 850; }
.contact-button:hover { background: var(--blue); }
.contact-offices { border-top: 1px solid var(--ink); }
.contact-offices article { padding: 1.35rem 0 1.5rem; border-bottom: 1px solid var(--ink); }
.contact-offices article > p { margin-bottom: 1rem; display: flex; align-items: center; justify-content: space-between; }
.contact-offices article > p span { font-size: .58rem; font-weight: 900; letter-spacing: .14em; }
.contact-offices article > p b { font-size: .86rem; }
.office-phone { min-height: 44px; display: inline-flex; align-items: center; font-size: clamp(1.55rem, 2.6vw, 2.6rem); font-weight: 850; letter-spacing: -.04em; line-height: 1; }
.office-phone:hover { color: var(--blue); }
.contact-offices address { margin-top: .7rem; font-size: .75rem; font-style: normal; }

.site-footer { min-height: 8rem; padding: 2rem max(var(--pad), env(safe-area-inset-right)) 2rem max(var(--pad), env(safe-area-inset-left)); display: grid; grid-template-columns: 1fr auto auto auto; gap: 2rem; align-items: center; background: var(--ink); color: var(--paper); font-size: .7rem; }
.site-footer > div { display: grid; line-height: 1.2; }
.site-footer > div b { letter-spacing: .12em; }
.site-footer > div span, .site-footer small { color: #929c9b; font-size: .52rem; letter-spacing: .14em; }
.site-footer a { min-height: 44px; display: inline-flex; align-items: center; border-bottom: 1px solid currentColor; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav, .header-cta { display: none; }
  .mobile-menu { display: block; }
  .hero { grid-template-columns: 1fr minmax(18rem, .55fr); gap: 2rem; }
  .hero h1 { font-size: clamp(4.1rem, 9vw, 6.7rem); }
  .case { min-height: 38rem; }
  .services { grid-template-columns: 1fr 1fr; gap: 3rem; }
}

@media (max-width: 720px) {
  .site-header { min-height: 68px; }
  .brand { min-height: 67px; }
  .brand-name small { display: none; }
  .language { min-height: 67px; padding-inline: .8rem; }
  .hero { min-height: auto; padding-top: 6rem; grid-template-columns: 1fr; gap: 4rem; }
  .hero h1 { font-size: clamp(3.4rem, 14vw, 4.4rem); }
  .hero h1 strong { margin-left: .08em; }
  .hero-lead, .hero-actions { margin-left: 0; }
  .hero-visual { width: 88%; margin-left: auto; }
  .hero-visual img { aspect-ratio: 4 / 4.6; }
  .hero-visual figcaption { width: 92%; margin-left: -12%; }
  .coordinate-tag { left: -1rem; }
  .concept-note { right: auto; left: var(--pad); }
  .statement { min-height: auto; }
  .statement::before { left: var(--pad); }
  .statement::after { width: 12rem; height: 12rem; right: -7rem; }
  .vertical-label { display: none; }
  .statement-inner { width: auto; margin-left: 1.2rem; }
  .statement h2 { font-size: clamp(2.1rem, 8.8vw, 4.2rem); }
  .axis-notes { grid-template-columns: 1fr; }
  .axis-notes div, .axis-notes div + div { min-height: auto; padding: 1.2rem 0; border-right: 0; border-bottom: 1px solid #465052; }
  .axis-notes h3 { margin-top: .6rem; }
  .work-heading { grid-template-columns: 1fr; }
  .work-heading h2 { font-size: 4.5rem; }
  .case, .case-b { min-height: 0; display: grid; grid-template-columns: 1fr; gap: 2.8rem; }
  .case + .case { margin-top: 10rem; }
  .case figure, .case-b figure { grid-column: 1; grid-row: 1; }
  .case .case-copy, .case-b .case-copy { grid-column: 1; grid-row: 2; padding-bottom: 0; }
  .case-number, .case-b .case-number { top: -2.7rem; left: auto; right: 0; font-size: 10rem; }
  .case h3 { font-size: 2.8rem; }
  .case figure::after { inset: .7rem -.7rem -.7rem .7rem; }
  .services { grid-template-columns: 1fr; }
  .services h2 { font-size: 3.25rem; }
  .services-image { width: calc(100% - 1rem); margin-bottom: -10rem; }
  .services-image img { min-height: 18rem; object-fit: cover; }
  .services-image figcaption { left: -1rem; }
  .method { padding-top: 13rem; }
  .method header { grid-template-columns: 1fr; gap: 1.3rem; }
  .method h2 { font-size: 3.5rem; }
  .trajectory { grid-template-columns: 1fr; margin-left: .45rem; }
  .trajectory::before { top: 0; bottom: 0; left: 0; right: auto; border-top: 0; border-left: 2px solid var(--ink); }
  .trajectory li { min-height: auto; padding: 0 0 3rem 2.2rem; }
  .trajectory .dot { top: .25rem; left: -.43rem; }
  .about-copy { width: 100%; }
  .about-word { font-size: 8rem; transform: translate(-50%, -50%) rotate(90deg); }
  .brand-slogan { font-size: clamp(1.95rem, 9vw, 2.8rem); }
  .brand-slogan > span { justify-content: space-between; gap: .35em; }
  .contact { min-height: auto; grid-template-columns: 1fr; }
  .contact h2 { font-size: clamp(3.3rem, 16vw, 5.5rem); }
  .site-footer { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* Second-round homepage: shorter path from need to conversation. */
.lead-hero {
  min-height: calc(100svh - 76px);
  padding: clamp(4.5rem, 7vw, 7rem) max(var(--pad), env(safe-area-inset-right)) clamp(4rem, 6vw, 6rem) max(var(--pad), env(safe-area-inset-left));
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(23rem, .62fr);
  gap: clamp(2.5rem, 6vw, 7rem);
  align-items: center;
  background-image: linear-gradient(rgb(24 33 38 / .06) 1px, transparent 1px), linear-gradient(90deg, rgb(24 33 38 / .06) 1px, transparent 1px);
  background-size: clamp(3.5rem, 5vw, 5.5rem) clamp(3.5rem, 5vw, 5.5rem);
  overflow: hidden;
}
.lead-hero-copy { min-width: 0; position: relative; z-index: 2; }
.lead-hero .eyebrow { color: var(--blue); }
.lead-hero h1 {
  margin: clamp(1.5rem, 3vw, 2.6rem) 0 1.6rem;
  display: grid;
  gap: .12em;
  font-size: clamp(3.4rem, 5.4vw, 5.9rem);
  line-height: .94;
  letter-spacing: -.065em;
}
.lead-hero h1 span, .lead-hero h1 strong { display: block; white-space: nowrap; }
.lead-hero h1 strong { color: var(--blue); font-weight: 900; }
.lead-service { max-width: 42rem; font-size: clamp(1.05rem, 1.4vw, 1.3rem); font-weight: 800; line-height: 1.55; }
.lead-concern { max-width: 38rem; margin-top: .8rem; color: var(--muted); font-size: .95rem; }
.lead-actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .75rem; }
.primary-action, .secondary-action, .light-action {
  min-height: 62px;
  padding: .9rem 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  font-size: .86rem;
  font-weight: 850;
}
.primary-action { min-width: 15rem; background: var(--ink); color: var(--paper); box-shadow: 0 10px 24px rgb(24 33 38 / .16); }
.primary-action span { color: var(--orange); font-size: 1.1rem; }
.primary-action:hover { background: var(--blue); }
.secondary-action { border: 1.5px solid var(--ink); background: rgb(243 240 232 / .84); }
.secondary-action:hover { background: #fff; }
.secondary-action b { font-size: .84rem; font-variant-numeric: tabular-nums; }
.text-action { min-height: 44px; margin-top: .85rem; display: inline-flex; align-items: center; gap: 1rem; border-bottom: 1px solid currentColor; color: var(--blue); font-size: .76rem; font-weight: 800; }
.text-action:hover { color: var(--ink); }
.lead-scope { margin-top: 2.2rem; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; }
.lead-scope li { padding: .38rem .72rem; border: 1px solid var(--line); background: rgb(243 240 232 / .7); font-size: .7rem; font-weight: 750; }
.lead-visual { position: relative; margin: 0; }
.lead-visual::before { content: ""; position: absolute; z-index: 2; inset: -1.1rem -1.1rem auto auto; width: 34%; aspect-ratio: 1; border-top: 3px solid var(--orange); border-right: 3px solid var(--orange); }
.lead-visual > p { position: absolute; z-index: 3; top: 1rem; left: -1.2rem; padding: .65rem .8rem; display: grid; background: var(--orange); line-height: 1.1; }
.lead-visual > p b { font-size: .75rem; letter-spacing: .1em; }
.lead-visual > p span { margin-top: .25rem; font-size: .48rem; font-weight: 800; letter-spacing: .12em; }
.hero-slides { aspect-ratio: 4 / 5; display: grid; grid-auto-flow: column; grid-auto-columns: 100%; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: x mandatory; scrollbar-width: none; touch-action: manipulation; background: #d9d7cf; }
.hero-slides::-webkit-scrollbar { display: none; }
.hero-slides.is-dragging { scroll-snap-type: none; cursor: grabbing; user-select: none; }
.hero-slide { min-width: 0; height: 100%; scroll-snap-align: start; scroll-snap-stop: always; }
.lead-visual img { height: 100%; object-fit: cover; filter: saturate(.74) contrast(1.03); }
.hero-controls { position: absolute; z-index: 4; right: .7rem; bottom: 3.3rem; display: flex; align-items: center; background: rgb(24 33 38 / .92); color: var(--paper); }
.hero-controls button { width: 44px; height: 44px; padding: 0; border: 0; background: transparent; color: inherit; cursor: pointer; font: inherit; font-size: 1rem; }
.hero-controls button:hover:not(:disabled) { background: var(--orange); color: var(--ink); }
.hero-controls button:disabled { color: #778082; cursor: default; }
.hero-controls output { min-width: 4.3rem; text-align: center; color: #d7dcda; font-size: .62rem; font-weight: 850; font-variant-numeric: tabular-nums; }
.hero-controls button:focus-visible, .hero-slides:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
.lead-visual figcaption { width: calc(100% - 1.5rem); margin: -1.7rem 0 0 1.5rem; position: relative; z-index: 2; padding: .85rem 1rem; display: flex; justify-content: space-between; gap: 1rem; background: var(--ink); color: var(--paper); font-size: .64rem; }
.lead-visual figcaption span { color: #b9c2c0; }

.latest-work, .ideas, .scenes, .easy-start, .trust, .contact-v2 { padding: clamp(4rem, 6vw, 6rem) max(var(--pad), env(safe-area-inset-right)) clamp(4rem, 6vw, 6rem) max(var(--pad), env(safe-area-inset-left)); }
.compact-heading { display: grid; grid-template-columns: minmax(13rem, .42fr) minmax(0, 1fr); gap: .9rem clamp(2rem, 5vw, 5rem); align-items: end; }
.compact-heading .section-no { grid-column: 1 / -1; }
.compact-heading h2 { font-size: clamp(2.2rem, 3.7vw, 3.8rem); line-height: 1.08; letter-spacing: -.045em; }
.compact-heading > p:last-child { max-width: 36rem; color: var(--muted); font-size: .86rem; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(19rem, .42fr); gap: 1.5rem 4rem; align-items: end; }
.section-heading .section-no { grid-column: 1 / -1; }
.section-heading h2 { max-width: 20ch; font-size: clamp(2.1rem, 3.35vw, 3.45rem); line-height: 1.12; letter-spacing: -.045em; }
.section-heading > p:last-child { max-width: 35rem; color: #bdc5c3; font-size: .9rem; }

.latest-work { background: var(--ink); color: var(--paper); }
.latest-work .section-no { color: var(--orange); }
.latest-work .compact-heading > p:last-child { color: #bdc5c3; }
.more-cases { min-height: 44px; margin-top: 1.1rem; margin-left: auto; width: max-content; display: flex; align-items: center; gap: .9rem; border-bottom: 1px solid #87908f; color: var(--paper); font-size: .72rem; font-weight: 800; }
.more-cases span { color: var(--orange); }
.more-cases:hover { border-color: var(--orange); }
.latest-layout { margin-top: clamp(1.4rem, 2.4vw, 2.4rem); display: grid; grid-template-columns: minmax(0, 1fr) minmax(15rem, .32fr); gap: clamp(1rem, 2vw, 2rem); }
.latest-empty-main, .latest-featured { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(15rem, .4fr); gap: clamp(1.5rem, 3vw, 3rem); align-items: end; }
.project-placeholder { min-height: 15rem; aspect-ratio: 16 / 9; display: grid; place-content: center; gap: .25rem; border: 1px dashed #657073; background-image: linear-gradient(135deg, transparent 49.6%, rgb(255 255 255 / .08) 50%, transparent 50.4%), linear-gradient(rgb(255 255 255 / .04) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / .04) 1px, transparent 1px); background-size: 100% 100%, 3rem 3rem, 3rem 3rem; color: #b7c0be; text-align: center; }
.project-placeholder span { font-size: .88rem; font-weight: 800; }
.project-placeholder small { color: #7f8989; font-size: .64rem; }
.latest-empty-main > div:last-child > p:first-child, .latest-featured > div > p:first-child { color: var(--orange); font-size: .62rem; font-weight: 900; letter-spacing: .1em; }
.latest-empty-main h3, .latest-featured h3 { margin: .65rem 0 .7rem; font-size: clamp(1.5rem, 2.5vw, 2.4rem); line-height: 1.2; }
.latest-featured h3, .latest-thumb h3 { overflow-wrap: anywhere; }
.latest-empty-main > div:last-child > p:last-child, .latest-featured > div > p:not(:first-child) { color: #bdc5c3; font-size: .8rem; }
.latest-featured figure { min-width: 0; position: relative; }
.latest-featured figure img { aspect-ratio: 16 / 9; object-fit: cover; }
.latest-demo figure img { filter: saturate(.78) contrast(1.02); }
.latest-featured figcaption, .latest-thumb figcaption { position: absolute; left: .65rem; bottom: .65rem; padding: .32rem .45rem; background: rgb(24 33 38 / .9); color: #fff; font-size: .58rem; }
.project-phases { margin-top: 1rem; padding: 0; display: flex; flex-wrap: wrap; gap: .35rem; list-style: none; }
.project-phases li { padding: .25rem .45rem; border: 1px solid #566164; color: #bdc5c3; font-size: .62rem; }
.latest-empty-thumbs, .latest-thumbs { display: grid; grid-template-rows: repeat(3, 1fr); border-top: 1px solid #657073; }
.latest-empty-thumbs > div, .latest-thumb-placeholder { min-height: 7.2rem; padding: .9rem 0; display: grid; grid-template-columns: 2.5rem 1fr; align-content: center; border-bottom: 1px solid #465052; }
.latest-empty-thumbs span, .latest-thumb-placeholder span { grid-row: 1 / span 2; color: var(--orange); font-size: .62rem; font-weight: 900; }
.latest-empty-thumbs p, .latest-thumb-placeholder p { font-size: .82rem; font-weight: 750; }
.latest-empty-thumbs small, .latest-thumb-placeholder small { color: #86908f; font-size: .62rem; }
.latest-thumb { min-width: 0; padding: .75rem 0; border-bottom: 1px solid #465052; }
.latest-thumb figure { width: 7rem; position: relative; float: left; margin-right: .85rem; }
.latest-thumb .latest-thumb-image.project-placeholder { min-height: 5.25rem; aspect-ratio: 4 / 3; }
.latest-thumb .latest-thumb-image.project-placeholder small { display: none; }
.latest-thumb img { aspect-ratio: 4 / 3; object-fit: cover; }
.latest-thumb > p { color: var(--orange); font-size: .58rem; }
.latest-thumb h3 { margin-top: .25rem; font-size: .86rem; line-height: 1.35; }

.ideas { overflow: hidden; background: #faf8f2; }
.ideas-heading > p:last-child b { color: var(--ink); }
.ideas-toolbar { margin: 2.2rem 0 .8rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.ideas-toolbar > p { color: var(--muted); font-size: .7rem; }
.ideas-toolbar output { margin-left: .7rem; color: var(--blue); font-weight: 900; font-variant-numeric: tabular-nums; }
.ideas-toolbar > div { display: flex; }
.ideas-toolbar button { width: 48px; height: 44px; border: 1px solid var(--ink); background: transparent; color: var(--ink); cursor: pointer; font: inherit; font-size: 1.05rem; touch-action: manipulation; }
.ideas-toolbar button + button { border-left: 0; }
.ideas-toolbar button:hover:not(:disabled) { background: var(--ink); color: var(--paper); }
.ideas-toolbar button:disabled { color: var(--line); cursor: default; }
.ideas-toolbar button:focus-visible, .ideas-track:focus-visible, .latest-empty-thumbs:focus-visible, .latest-thumbs:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
.ideas-track { display: grid; grid-auto-flow: column; grid-auto-columns: min(66rem, 72vw); gap: clamp(1rem, 2vw, 2rem); overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: x mandatory; scroll-padding-inline: 0; scrollbar-width: thin; scrollbar-color: var(--line) transparent; cursor: grab; }
.ideas-track.is-dragging { cursor: grabbing; scroll-snap-type: none; user-select: none; }
.ideas-track img { -webkit-user-drag: none; user-select: none; }
.idea-slide { min-width: 0; padding-bottom: .8rem; display: grid; grid-template-columns: minmax(0, 1fr) minmax(13rem, .3fr); gap: 1.4rem; align-items: end; scroll-snap-align: start; }
.idea-slide figure { min-width: 0; position: relative; overflow: hidden; background: #d9d7cf; }
.idea-slide img { aspect-ratio: 16 / 9; object-fit: cover; filter: saturate(.72) contrast(1.02); }
.idea-slide figcaption { position: absolute; left: .65rem; bottom: .65rem; padding: .35rem .48rem; background: rgb(24 33 38 / .9); color: #fff; font-size: .58rem; }
.idea-slide > div p { color: var(--blue); font-size: .65rem; font-weight: 900; letter-spacing: .08em; }
.idea-slide h3 { max-width: 15ch; margin-top: .55rem; font-size: clamp(1.25rem, 2vw, 1.75rem); line-height: 1.35; }

.scenes { background: var(--paper); color: var(--ink); border-top: 1px solid var(--line); }
.scenes .section-no { color: var(--blue); }
.scenes .section-heading > p:last-child { color: var(--muted); }
.scene-grid { margin-top: clamp(2.4rem, 4vw, 3.8rem); display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.scene-grid article { min-height: 9.25rem; padding: 1rem clamp(1rem, 2vw, 1.8rem) 1.1rem 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.scene-grid article:nth-child(3n + 2), .scene-grid article:nth-child(3n + 3) { padding-left: clamp(1rem, 2vw, 1.8rem); }
.scene-grid article:nth-child(3n) { border-right: 0; }
.scene-grid span { color: var(--orange); font-size: .62rem; font-weight: 900; }
.scene-grid h3 { margin: .9rem 0 .3rem; font-size: clamp(1.08rem, 1.55vw, 1.4rem); }
.scene-grid p { max-width: 20rem; color: var(--muted); font-size: .78rem; }
.quote-note { max-width: 55rem; margin-top: 1.5rem; color: var(--muted); font-size: .74rem; }
.quote-note b { margin-right: .8rem; color: var(--ink); }

.references { background: #faf8f2; }
.references-heading > p:last-child { color: var(--muted); }
.references-heading > p:last-child b { color: var(--ink); }
.reference-grid { margin-top: clamp(3rem, 5vw, 5rem); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.2rem, 2.4vw, 2.5rem); }
.reference-grid article { min-width: 0; }
.reference-grid figure { position: relative; overflow: hidden; background: #d9d7cf; }
.reference-grid img { aspect-ratio: 4 / 3; object-fit: cover; filter: saturate(.72) contrast(1.02); transition: transform 350ms ease; }
.reference-grid article:hover img { transform: scale(1.018); }
.reference-grid figcaption { position: absolute; left: .7rem; bottom: .7rem; padding: .38rem .5rem; background: rgb(24 33 38 / .9); color: #fff; font-size: .58rem; }
.reference-type { margin-top: 1.2rem; color: var(--blue); font-size: .66rem; font-weight: 900; letter-spacing: .08em; }
.reference-grid h3 { max-width: 18ch; margin-top: .5rem; font-size: clamp(1.2rem, 1.9vw, 1.7rem); line-height: 1.35; letter-spacing: -.025em; }

.easy-start { display: grid; grid-template-columns: minmax(18rem, .48fr) minmax(0, 1fr); gap: clamp(2.5rem, 5vw, 5rem); background: var(--blue); color: #fff; }
.easy-start .section-no { color: #c5d7dc; }
.start-intro h2 { margin: 1rem 0 1.4rem; font-size: clamp(2.05rem, 3.25vw, 3.35rem); line-height: 1.12; letter-spacing: -.045em; }
.start-intro ul { padding: 0; list-style: none; }
.start-intro li { padding: .42rem 0; border-bottom: 1px solid rgb(255 255 255 / .26); color: #e1e8e8; font-size: .8rem; }
.light-action { margin-top: 1.3rem; background: var(--paper); color: var(--ink); }
.light-action:hover { background: var(--orange); }
.simple-process ol { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); list-style: none; border-top: 1px solid rgb(255 255 255 / .65); }
.simple-process li { min-width: 0; min-height: 12rem; padding: 1rem .9rem 1rem 0; display: block; border-right: 1px solid rgb(255 255 255 / .28); border-bottom: 1px solid rgb(255 255 255 / .28); }
.simple-process li + li { padding-left: .9rem; }
.simple-process li:last-child { border-right: 0; }
.simple-process li > span { color: var(--orange); font-size: .62rem; font-weight: 900; }
.simple-process h3 { margin-top: 1.8rem; font-size: clamp(.92rem, 1.25vw, 1.12rem); }
.simple-process li p { margin-top: .45rem; color: #cfdddf; font-size: .72rem; }
.simple-process > p { margin-top: 1rem; color: #afc3c8; font-size: .68rem; }

.trust { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, .35fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: center; overflow: hidden; }
.trust-word { position: absolute; left: var(--pad); bottom: .1em; color: transparent; -webkit-text-stroke: 1px rgb(49 86 111 / .1); font-size: clamp(5rem, 10vw, 10rem); font-weight: 900; line-height: .7; letter-spacing: -.08em; pointer-events: none; }
.trust-copy, .company-facts { position: relative; z-index: 1; }
.trust-copy .section-no { color: var(--blue); }
.trust h2 { max-width: 15ch; margin: 1rem 0 1.2rem; font-size: clamp(2.1rem, 3.4vw, 3.5rem); line-height: 1.1; letter-spacing: -.045em; }
.trust-lead { max-width: 34rem; font-size: clamp(1.05rem, 1.6vw, 1.35rem); font-weight: 750; }
.trust-copy ul { max-width: 37rem; margin-top: 1.6rem; padding: 0; list-style: none; }
.trust-copy li { padding: .65rem 0 .65rem 1.1rem; position: relative; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .84rem; }
.trust-copy li::before { content: ""; position: absolute; top: 1.2rem; left: 0; width: .38rem; height: .38rem; background: var(--orange); border-radius: 50%; }
.brand-slogan-small { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: .4rem 1.3rem; color: var(--blue); font-size: clamp(.95rem, 1.35vw, 1.15rem); font-weight: 850; }
.company-facts { padding: clamp(1.3rem, 2.2vw, 2rem); border: 1px solid var(--ink); background: rgb(243 240 232 / .9); }
.company-facts > p { color: var(--blue); font-size: .64rem; font-weight: 900; letter-spacing: .1em; }
.company-facts h3 { margin: 1.5rem 0 1rem; font-size: clamp(1.3rem, 2vw, 1.75rem); line-height: 1.45; }
.company-facts address { color: var(--muted); font-size: .8rem; font-style: normal; }
.company-facts a { min-height: 48px; margin-top: 1.5rem; display: inline-flex; align-items: center; border-bottom: 2px solid var(--ink); font-size: clamp(1.35rem, 2.1vw, 2rem); font-weight: 900; font-variant-numeric: tabular-nums; }
.company-facts a:hover { color: var(--blue); border-color: var(--blue); }

.contact-v2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(20rem, .42fr); gap: clamp(3rem, 7vw, 8rem); align-items: center; background: var(--orange); }
.contact-v2 h2 { max-width: 17ch; margin: 1rem 0 1.2rem; font-size: clamp(2.35rem, 4.1vw, 4.2rem); line-height: 1.08; letter-spacing: -.05em; }
.contact-intro > p:last-child { max-width: 31rem; font-size: 1.05rem; }
.contact-options { min-width: 0; }
.wechat-placeholder { padding: 1.2rem; border: 1px solid var(--ink); background: var(--paper); }
.wechat-placeholder > p { display: flex; justify-content: space-between; gap: 1rem; }
.wechat-placeholder > p span { color: var(--blue); font-size: .64rem; font-weight: 900; }
.wechat-placeholder > p b { font-size: .82rem; }
.wechat-placeholder > div { min-height: 8rem; margin-top: 1rem; padding: 1rem; display: grid; place-content: center; text-align: center; border: 1px dashed var(--line); color: var(--muted); }
.wechat-placeholder strong { font-size: .92rem; }
.wechat-placeholder small { margin-top: .3rem; font-size: .62rem; }
.phone-option { min-height: 6.3rem; margin-top: .8rem; padding: 1rem 1.2rem; position: relative; display: grid; align-content: center; background: var(--ink); color: var(--paper); }
.phone-option span { color: #bfc7c5; font-size: .67rem; }
.phone-option b { margin-top: .25rem; font-size: clamp(1.65rem, 3vw, 2.7rem); line-height: 1; font-variant-numeric: tabular-nums; }
.phone-option i { position: absolute; top: 1rem; right: 1rem; color: var(--orange); font-size: 1.2rem; font-style: normal; }
.phone-option:hover { background: var(--blue); }
.contact-options > address { margin-top: 1rem; font-size: .72rem; font-style: normal; }
.mobile-contact-bar { display: none; }

.site-footer { min-height: 9rem; grid-template-columns: auto 1fr auto; }
.site-footer .tokyo-info { grid-column: 2; color: #929c9b; font-size: .62rem; }
.site-footer .tokyo-info span { color: var(--paper); font-weight: 800; }
.site-footer > small { grid-column: 3; grid-row: 2; }

@media (max-width: 980px) {
  .lead-hero { grid-template-columns: minmax(0, 1fr) minmax(18rem, .48fr); gap: 2.5rem; }
  .lead-hero h1 { font-size: clamp(3.15rem, 5.7vw, 4.3rem); }
  .latest-empty-main, .latest-featured { grid-template-columns: 1fr; }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid article:nth-child(n) { padding-left: 0; padding-right: 1.2rem; border-right: 1px solid var(--line); }
  .scene-grid article:nth-child(2n) { padding-left: 1.2rem; padding-right: 0; border-right: 0; }
  .easy-start { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 820px) {
  .lead-hero { min-height: auto; grid-template-columns: 1fr; gap: 3rem; }
  .lead-hero h1 { font-size: clamp(3rem, 8.6vw, 4.2rem); }
  .lead-visual { width: min(100%, 34rem); margin-left: auto; }
}

@media (max-width: 720px) {
  body { padding-bottom: calc(62px + env(safe-area-inset-bottom)); }
  .lead-hero {
    min-height: auto;
    padding-top: 4rem;
    padding-bottom: 4rem;
    grid-template-columns: 1fr;
    gap: 3rem;
    background-size: 3.5rem 3.5rem;
  }
  .lead-hero h1 { margin-top: 1.3rem; font-size: clamp(2.4rem, 10.8vw, 3rem); line-height: .98; }
  .lead-service { font-size: 1.06rem; }
  .lead-concern { font-size: .9rem; }
  .lead-actions { display: grid; }
  .primary-action, .secondary-action { width: 100%; }
  .lead-scope { margin-top: 1.5rem; }
  .lead-visual { width: calc(100% - 1rem); margin-left: auto; }
  .hero-slides { aspect-ratio: 4 / 3.45; }
  .hero-controls { right: .4rem; bottom: 3.05rem; }
  .lead-visual figcaption { width: calc(100% - .75rem); margin-left: .75rem; font-size: .6rem; }
  .lead-visual > p { left: -.7rem; }
  .latest-work, .ideas, .scenes, .easy-start, .trust, .contact-v2 { padding-top: 3.5rem; padding-bottom: 3.5rem; }
  .compact-heading, .section-heading { grid-template-columns: 1fr; gap: .9rem; }
  .compact-heading .section-no, .section-heading .section-no { grid-column: auto; }
  .compact-heading h2, .section-heading h2 { font-size: clamp(1.9rem, 8.5vw, 2.45rem); }
  .compact-heading > p:last-child, .section-heading > p:last-child { font-size: .84rem; }
  .latest-layout { margin-top: 2rem; grid-template-columns: 1fr; gap: 1.5rem; }
  .latest-empty-main, .latest-featured { grid-template-columns: 1fr; gap: 1.2rem; }
  .project-placeholder { min-height: 13rem; aspect-ratio: 4 / 3; }
  .latest-empty-main h3, .latest-featured h3 { font-size: 1.45rem; }
  .latest-empty-thumbs, .latest-thumbs { grid-template-rows: none; grid-auto-flow: column; grid-auto-columns: 72%; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: x mandatory; border-top: 0; }
  .latest-empty-thumbs > div, .latest-thumb-placeholder, .latest-thumb { min-height: 8rem; padding: .9rem; border: 1px solid #465052; scroll-snap-align: start; }
  .ideas-toolbar { margin-top: 1.6rem; }
  .ideas-track { grid-auto-columns: 88%; gap: .8rem; }
  .idea-slide { grid-template-columns: 1fr; gap: .8rem; }
  .idea-slide img { aspect-ratio: 4 / 3; }
  .idea-slide h3 { font-size: 1.2rem; }
  .scene-grid { margin-top: 2rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scene-grid article:nth-child(n) { min-height: 10.5rem; padding: .85rem .75rem .9rem 0; border-right: 1px solid var(--line); }
  .scene-grid article:nth-child(2n) { padding-left: .75rem; padding-right: 0; border-right: 0; }
  .scene-grid h3 { margin: .6rem 0 .25rem; font-size: 1.02rem; line-height: 1.35; }
  .scene-grid p { font-size: .76rem; line-height: 1.55; }
  .quote-note { font-size: .76rem; }
  .easy-start { grid-template-columns: 1fr; gap: 2.2rem; }
  .start-intro h2 { font-size: clamp(1.9rem, 8.5vw, 2.45rem); }
  .simple-process ol { grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid rgb(255 255 255 / .28); }
  .simple-process li, .simple-process li + li { min-height: 10rem; padding: 1rem .75rem; border-right: 1px solid rgb(255 255 255 / .28); border-bottom: 1px solid rgb(255 255 255 / .28); }
  .simple-process li:nth-child(2n) { border-right: 0; }
  .simple-process li:last-child { grid-column: 1 / -1; min-height: 8rem; }
  .simple-process h3 { margin-top: 1.2rem; font-size: 1rem; }
  .trust { grid-template-columns: 1fr; gap: 2rem; }
  .trust h2 { font-size: clamp(1.95rem, 8.5vw, 2.5rem); }
  .trust-word { left: auto; right: -1rem; bottom: 1rem; font-size: 6rem; transform: none; }
  .brand-slogan-small { display: grid; }
  .company-facts { background: rgb(243 240 232 / .94); }
  .contact-v2 { grid-template-columns: 1fr; gap: 2rem; }
  .contact-v2 h2 { font-size: clamp(2.05rem, 9vw, 2.7rem); }
  .wechat-placeholder > p { display: grid; gap: .15rem; }
  .phone-option b { font-size: 1.9rem; }
  .mobile-contact-bar {
    position: fixed;
    z-index: 60;
    left: max(.7rem, env(safe-area-inset-left));
    right: max(.7rem, env(safe-area-inset-right));
    bottom: max(.6rem, env(safe-area-inset-bottom));
    height: 52px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 1px solid var(--ink);
    background: var(--paper);
    box-shadow: 0 8px 26px rgb(24 33 38 / .2);
  }
  .mobile-contact-bar a { display: grid; place-items: center; font-size: .82rem; font-weight: 850; }
  .mobile-contact-bar a:first-child { border-right: 1px solid var(--ink); background: var(--orange); }
  .mobile-contact-bar a:hover { background: var(--ink); color: var(--paper); }
  .site-footer { grid-template-columns: 1fr; gap: .8rem; padding-bottom: 2rem; }
  .site-footer .tokyo-info, .site-footer > small { grid-column: 1; grid-row: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .reference-grid img { transition: none; }
}

/* Case archive and secure publishing shell. */
.cases-page { min-height: calc(100svh - 76px); padding: clamp(4.5rem, 8vw, 8rem) max(var(--pad), env(safe-area-inset-right)) clamp(4rem, 7vw, 7rem) max(var(--pad), env(safe-area-inset-left)); }
.cases-intro { max-width: 62rem; display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, .45fr); gap: 1.2rem 4rem; align-items: end; }
.cases-intro .section-no { grid-column: 1 / -1; color: var(--blue); }
.cases-intro h1 { font-size: clamp(3rem, 6vw, 6.5rem); line-height: .95; letter-spacing: -.06em; }
.cases-intro > p:last-child { color: var(--muted); font-size: .9rem; }
.case-archive { margin-top: clamp(3rem, 6vw, 6rem); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(2rem, 4vw, 4rem) clamp(1rem, 2vw, 2rem); }
.archive-empty { min-height: 23rem; grid-column: 1 / -1; padding: clamp(1.5rem, 4vw, 4rem); display: grid; align-content: center; justify-items: start; border: 1px dashed var(--line); background-image: linear-gradient(rgb(24 33 38 / .045) 1px, transparent 1px), linear-gradient(90deg, rgb(24 33 38 / .045) 1px, transparent 1px); background-size: 4rem 4rem; }
.archive-empty > p { color: var(--orange); font-size: .68rem; font-weight: 900; letter-spacing: .1em; }
.archive-empty h2 { max-width: 20ch; margin: 1rem 0 .7rem; font-size: clamp(1.65rem, 3vw, 2.8rem); }
.archive-empty span { max-width: 42rem; color: var(--muted); font-size: .82rem; }
.case-card { min-width: 0; }
.case-card figure { position: relative; overflow: hidden; background: #d9d7cf; }
.case-card figure img { aspect-ratio: 16 / 10; object-fit: cover; }
.case-card figcaption { position: absolute; left: .7rem; bottom: .7rem; padding: .32rem .45rem; background: rgb(24 33 38 / .9); color: #fff; font-size: .6rem; }
.case-card > div { padding-top: 1rem; }
.case-meta { color: var(--blue); font-size: .65rem; font-weight: 850; }
.case-card h2 { margin-top: .4rem; font-size: clamp(1.3rem, 2.3vw, 2rem); line-height: 1.25; }
.case-summary { max-width: 38rem; margin-top: .65rem; color: var(--muted); font-size: .82rem; }
.cases-contact { margin-top: clamp(4rem, 7vw, 7rem); padding: clamp(1.4rem, 3vw, 2.5rem); display: flex; justify-content: space-between; align-items: center; gap: 2rem; background: var(--orange); }
.cases-contact p { font-size: clamp(1.15rem, 2.1vw, 1.75rem); font-weight: 800; }
.cases-contact a { min-height: 54px; min-width: 13rem; padding: .7rem 1rem; display: flex; justify-content: space-between; align-items: center; gap: 2rem; background: var(--ink); color: var(--paper); font-size: .8rem; font-weight: 850; }

.admin-body { padding-bottom: 0; background: #faf8f2; }
.cases-body { padding-bottom: 0; }
.admin-header { min-height: 76px; padding: 0 max(var(--pad), env(safe-area-inset-right)) 0 max(var(--pad), env(safe-area-inset-left)); display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--ink); background: var(--paper); }
.admin-header > a:last-child { min-height: 48px; display: flex; align-items: center; border-bottom: 1px solid currentColor; font-size: .72rem; font-weight: 800; }
.admin-page { width: min(72rem, 100%); margin: 0 auto; padding: clamp(3rem, 6vw, 6rem) max(var(--pad), env(safe-area-inset-right)) 6rem max(var(--pad), env(safe-area-inset-left)); }
.admin-intro { max-width: 55rem; }
.admin-intro .section-no { color: var(--blue); }
.admin-intro h1 { margin: 1rem 0 1.2rem; font-size: clamp(2.5rem, 5vw, 5rem); line-height: 1.05; letter-spacing: -.055em; }
.admin-intro > p:last-child { max-width: 38rem; color: var(--muted); font-size: .9rem; }
.admin-gate { margin-top: 2rem; padding: 1rem 1.15rem; border-left: 4px solid var(--orange); background: var(--paper); }
.admin-gate[data-state="ready"] { border-color: var(--blue); }
.admin-gate b { font-size: .86rem; }
.admin-gate p { margin-top: .2rem; color: var(--muted); font-size: .74rem; }
.admin-gate a { min-height: 44px; margin-top: .5rem; display: inline-flex; align-items: center; color: var(--blue); border-bottom: 1px solid currentColor; font-size: .75rem; font-weight: 800; }
.case-form { margin-top: 2rem; display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, .75fr); gap: 1rem; align-items: start; }
.form-section, .publish-panel { min-width: 0; padding: clamp(1.25rem, 2.5vw, 2rem); border: 1px solid var(--line); background: var(--paper); }
.form-step { color: var(--blue); font-size: .62rem; font-weight: 900; letter-spacing: .09em; }
.form-section h2 { margin: .6rem 0 1.4rem; font-size: clamp(1.5rem, 2.7vw, 2.2rem); }
.case-form label:not(.photo-picker):not(.check-field) { margin-top: 1rem; display: grid; gap: .4rem; color: var(--muted); font-size: .72rem; font-weight: 800; }
.case-form label em { color: #a85839; font-size: .62rem; font-style: normal; }
.case-form input[type="text"], .case-form input[type="date"], .case-form select, .case-form textarea { width: 100%; min-height: 50px; padding: .72rem .8rem; border: 1px solid var(--line); border-radius: 0; background: #fff; color: var(--ink); font: inherit; font-size: 16px; }
.case-form textarea { min-height: 7rem; resize: vertical; }
.case-form input:focus-visible, .case-form select:focus-visible, .case-form textarea:focus-visible, .photo-card button:focus-visible, .publish-panel button:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }
.form-pair { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.photo-picker { min-height: 11rem; padding: 1.3rem; position: relative; display: grid; place-content: center; justify-items: center; border: 1px dashed var(--blue); background: #faf8f2; cursor: pointer; text-align: center; }
.photo-picker:focus-within { outline: 3px solid var(--orange); outline-offset: 2px; }
.photo-picker input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.photo-picker span { font-size: 1rem; font-weight: 900; }
.photo-picker small { margin-top: .3rem; color: var(--muted); font-size: .67rem; }
.photo-preview { margin-top: 1rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.photo-preview > p { grid-column: 1 / -1; padding: 1rem; color: var(--muted); border: 1px solid var(--line); font-size: .75rem; }
.photo-card { min-width: 0; padding: .55rem; position: relative; border: 1px solid var(--line); background: #fff; }
.photo-card[data-cover="true"] { border: 2px solid var(--blue); }
.photo-card[data-cover="true"]::before { content: "封面"; position: absolute; z-index: 1; top: .8rem; left: .8rem; padding: .2rem .4rem; background: var(--blue); color: #fff; font-size: .58rem; font-weight: 900; }
.photo-card img { aspect-ratio: 4 / 3; object-fit: cover; background: #ddd; }
.photo-card label { margin-top: .55rem !important; gap: .25rem !important; }
.photo-card select { min-height: 44px !important; padding: .5rem !important; }
.photo-card > div { margin-top: .45rem; display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; }
.photo-card button { min-height: 44px; padding: .4rem; border: 1px solid var(--ink); background: transparent; color: var(--ink); cursor: pointer; font: inherit; font-size: .66rem; font-weight: 800; }
.photo-card button:hover:not(:disabled) { background: var(--ink); color: #fff; }
.photo-card button:disabled { border-color: var(--line); color: var(--muted); cursor: default; }
.check-field { min-height: 48px; margin-top: 1rem; display: flex; align-items: center; gap: .65rem; cursor: pointer; font-size: .8rem; font-weight: 800; }
.check-field input { width: 1.2rem; height: 1.2rem; accent-color: var(--blue); }
.publish-panel { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(13rem, .35fr); gap: .8rem 2rem; align-items: center; background: var(--ink); color: var(--paper); }
.publish-panel > p { color: #bec7c5; font-size: .75rem; }
.publish-panel button { min-height: 58px; padding: .8rem 1rem; border: 0; background: var(--orange); color: var(--ink); cursor: pointer; font: inherit; font-size: .85rem; font-weight: 900; }
.publish-panel button:hover:not(:disabled) { background: var(--paper); }
.publish-panel button:disabled { background: #4f595b; color: #929b9a; cursor: not-allowed; }
.publish-status { grid-column: 1 / -1; padding-top: .8rem; border-top: 1px solid #465052; color: #bec7c5; font-size: .7rem; }
.publish-status[data-state="error"] { color: #ffc0a6; }
.publish-status[data-state="ready"] { color: #d8e9dd; }

@media (max-width: 820px) {
  .case-form { grid-template-columns: 1fr; }
  .publish-panel { grid-column: auto; }
}

@media (max-width: 720px) {
  .cases-intro { grid-template-columns: 1fr; gap: .8rem; }
  .cases-intro .section-no { grid-column: auto; }
  .cases-intro h1 { font-size: clamp(2.7rem, 15vw, 4rem); }
  .case-archive { grid-template-columns: 1fr; margin-top: 2.5rem; }
  .archive-empty { min-height: 18rem; }
  .cases-contact { display: grid; gap: 1rem; }
  .cases-contact a { width: 100%; }
  .admin-header { min-height: 68px; }
  .admin-header .brand { min-height: 67px; }
  .admin-header > a:last-child { font-size: .68rem; }
  .admin-page { padding-top: 3rem; padding-bottom: 4rem; }
  .admin-intro h1 { font-size: clamp(2.15rem, 11vw, 3rem); }
  .case-form { grid-template-columns: 1fr; }
  .form-pair { grid-template-columns: 1fr; gap: 0; }
  .photo-preview { grid-template-columns: 1fr; }
  .publish-panel { grid-column: auto; grid-template-columns: 1fr; }
  .publish-panel button, .publish-status { grid-column: 1; }
}