/* Jelas Studio: Highlighter system (design.md v1.1) */

:root {
  --paper: #F3EFE6;
  --paper-deep: #E6E0D2;
  --ink: #1A1714;
  --mute: #5C564E;
  --rule: #C9D6EA;
  --mark: #F2E14A;
  --pen: #C42B22;
  --ink-15: rgba(26, 23, 20, .15);
  --ink-08: rgba(26, 23, 20, .08);

  --f-sans: "Bricolage Grotesque", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-hand: "Caveat", "Bradley Hand", cursive;

  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px; --s6: 32px;
  --s7: 48px; --s8: 64px; --s9: 96px; --s10: 128px;

  --max: 1280px;
  --gutter: clamp(20px, 4.4vw, 64px);
  --section: clamp(72px, 10vw, 144px);
  --header-h: 72px;

  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --radius: 3px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: clamp(16.5px, 1.05vw + 12px, 19px);
  font-weight: 400;
  line-height: 1.58;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1.5px; text-underline-offset: .22em; }
a:hover { text-decoration-thickness: 2.5px; }
button { font: inherit; color: inherit; }
::selection { background: var(--mark); color: var(--ink); }
input, textarea { caret-color: var(--pen); }
:focus-visible { outline: 2.5px solid var(--ink); outline-offset: 3px; border-radius: 2px; }
html { scrollbar-color: var(--mute) var(--paper-deep); }
h1, h2, h3, h4 { margin: 0; font-weight: 750; letter-spacing: -.025em; line-height: 1.06; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
.num, time { font-variant-numeric: tabular-nums; }

.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; left: 16px; top: -60px; z-index: 100;
  background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: var(--radius);
  text-decoration: none; font-weight: 600; transition: transform .2s var(--ease);
}
.skip-link:focus { transform: translateY(76px); }

.wrap { width: 100%; max-width: calc(var(--max) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section); position: relative; }
.h2 { font-size: clamp(2rem, 1.2rem + 3.3vw, 4rem); font-weight: 750; line-height: 1.04; letter-spacing: -.03em; }
.h3 { font-size: clamp(1.4rem, 1.1rem + 1vw, 2rem); font-weight: 650; line-height: 1.12; letter-spacing: -.015em; }
.lede { font-size: clamp(1.1rem, .95rem + .55vw, 1.4rem); line-height: 1.45; max-width: 34ch; }
.body { max-width: 62ch; }
.meta { font-size: 15px; font-weight: 550; line-height: 1.4; color: var(--mute); }
.mute { color: var(--mute); }
.hand { font-family: var(--f-hand); font-weight: 650; color: var(--pen); line-height: 1.1; }

/* ---------- Mark (highlighter) ---------- */
.mark { position: relative; z-index: 0; white-space: nowrap; }
.mark::before {
  content: ""; position: absolute; z-index: -1;
  left: -.06em; right: -.08em; top: .4em; height: .5em;
  background: var(--mark);
  transform: rotate(-1.4deg) scaleX(var(--mark-p, 1));
  transform-origin: left center;
  border-radius: .08em .18em .12em .2em;
  clip-path: polygon(0 12%, 2% 0, 98% 6%, 100% 20%, 99% 88%, 97% 100%, 1% 94%, 0 80%);
}
.js .mark[data-draw]::before { --mark-p: 0; transition: transform .7s var(--ease) var(--mark-delay, 0s); }
.js .mark[data-draw].is-drawn::before { --mark-p: 1; }

/* ---------- Buttons ---------- */
.btn {
  --bg: var(--ink); --fg: var(--paper);
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 52px; padding: 14px 22px;
  background: var(--bg); color: var(--fg);
  border: 1.5px solid var(--ink); border-radius: var(--radius);
  font-weight: 650; font-size: 17px; line-height: 1.1; letter-spacing: -.005em;
  text-decoration: none; white-space: nowrap; cursor: pointer;
  position: relative; isolation: isolate; overflow: hidden;
  transition: transform .16s var(--ease), background-color .16s var(--ease), color .16s var(--ease);
}
.btn .arr { display: inline-block; transition: transform .18s var(--ease); }
.btn:active { transform: translateY(1px); }
.btn--ghost { --bg: transparent; --fg: var(--ink); }
.btn--ghost::before {
  content: ""; position: absolute; inset: 22% 10px 20%; z-index: -1;
  background: var(--mark); transform: scaleX(0) rotate(-1.4deg); transform-origin: left;
  transition: transform .32s var(--ease);
}
@media (hover: hover) and (pointer: fine) {
  .btn:hover { text-decoration: none; }
  .btn:hover .arr { transform: translateX(4px); }
  .btn--primary:hover { --bg: #000; }
  .btn--ghost:hover::before { transform: scaleX(1) rotate(-1.4deg); }
}
.btn--ghost:focus-visible::before { transform: scaleX(1) rotate(-1.4deg); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 650; text-decoration: none;
  min-height: 44px; background: linear-gradient(var(--ink), var(--ink)) left calc(100% - 8px) / 100% 1.5px no-repeat;
  transition: background-size .25s var(--ease);
}
.link-arrow .arr { transition: transform .18s var(--ease); }
@media (hover: hover) and (pointer: fine) {
  .link-arrow:hover { background-size: 100% 2.5px; }
  .link-arrow:hover .arr { transform: translateX(4px); }
}

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h);
  background: var(--paper);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), transform .4s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--ink-15); }
.site-header .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; min-height: 44px; }
.brand img { width: 40px; height: 40px; margin: -2px -4px -2px -6px; }
.brand span { font-weight: 800; font-size: 22px; letter-spacing: -.03em; }
.brand:hover { text-decoration: none; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a:not(.btn) {
  font-weight: 550; font-size: 16px; text-decoration: none; padding: 10px 12px; min-height: 44px; display: inline-flex; align-items: center;
  background: linear-gradient(var(--ink), var(--ink)) 12px calc(100% - 9px) / 0 1.5px no-repeat;
  transition: background-size .25s var(--ease);
}
.nav a:not(.btn):hover, .nav a[aria-current="true"] { background-size: calc(100% - 24px) 1.5px; }
.lang { display: inline-flex; align-items: center; margin-inline: 8px 12px; font-weight: 600; font-size: 15px; }
.lang a, .lang span { min-width: 36px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.lang [aria-current="true"] { position: relative; }
.lang [aria-current="true"]::after { content: ""; position: absolute; left: 8px; right: 8px; bottom: 10px; height: 2px; background: var(--ink); }
.lang a { color: var(--mute); }
.lang .sep { min-width: 0; color: var(--ink-15); }
.nav .btn { min-height: 44px; padding: 10px 16px; font-size: 15.5px; }
.menu-btn { display: none; }
.mobile-menu { display: none; }

@media (max-width: 1023px) {
  :root { --header-h: 64px; }
  .nav { display: none; }
  .brand img { width: 34px; height: 34px; }
  .brand span { font-size: 20px; }
  .menu-btn {
    display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 8px 14px;
    background: transparent; border: 1.5px solid var(--ink); border-radius: var(--radius); font-weight: 650; cursor: pointer;
  }
  .menu-btn .bars { width: 18px; height: 10px; position: relative; }
  .menu-btn .bars::before, .menu-btn .bars::after { content: ""; position: absolute; left: 0; right: 0; height: 1.5px; background: var(--ink); transition: transform .24s var(--ease); }
  .menu-btn .bars::before { top: 0; } .menu-btn .bars::after { bottom: 0; }
  .menu-btn[aria-expanded="true"] .bars::before { transform: translateY(4.25px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] .bars::after { transform: translateY(-4.25px) rotate(-45deg); }
  .mobile-menu {
    display: block; position: fixed; inset: var(--header-h) 0 0 0; z-index: 49; background: var(--paper);
    padding: 24px var(--gutter) 40px; overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .2s var(--ease), transform .24s var(--ease), visibility 0s linear .24s;
  }
  .mobile-menu.is-open { opacity: 1; visibility: visible; transform: none; transition: opacity .2s var(--ease), transform .24s var(--ease); }
  .mobile-menu ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink-15); }
  .mobile-menu li { border-bottom: 1px solid var(--ink-15); }
  .mobile-menu li a { display: flex; justify-content: space-between; align-items: center; min-height: 64px; font-size: 28px; font-weight: 700; letter-spacing: -.02em; text-decoration: none; }
  .mobile-menu .mm-foot { margin-top: 28px; display: grid; gap: 20px; }
  .mobile-menu .lang { margin: 0; font-size: 17px; }
  .mobile-menu .btn { justify-content: center; }
}

main { display: block; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; padding-top: calc(var(--header-h) + clamp(24px, 4vw, 56px)); padding-bottom: clamp(28px, 4vw, 56px);
  display: flex; flex-direction: column; justify-content: space-between; gap: 40px;
  overflow: clip;
}
.hero h1 {
  font-size: clamp(2.9rem, 13.2vw, 13.5rem);
  font-weight: 800; line-height: .9; letter-spacing: -.05em;
  position: relative; z-index: 2; margin-left: -.04em;
}
.hero h1 .line { display: block; }
.split .w { display: inline-block; white-space: nowrap; }
.js .split .c { display: inline-block; transform: translateY(0); }
.js .split.is-pre .c { opacity: 0; transform: translateY(.42em) rotate(4deg); }
.js .split.is-in .c { opacity: 1; transform: none; transition: transform .8s var(--ease-out), opacity .5s var(--ease-out); transition-delay: calc(var(--i) * 22ms); }
.hero-foot { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 32px; position: relative; z-index: 2; }
.hero-foot .lede { max-width: 30ch; }
.hero-foot .btn-row { margin-top: 24px; }
.hero-note { text-align: right; max-width: 28ch; justify-self: end; }
.hero-note .hand { font-size: clamp(26px, 2vw, 32px); display: block; transform: rotate(-3deg); }
.js .hero-reveal { opacity: 0; transform: translateY(14px); }
.js .hero-reveal.is-in { opacity: 1; transform: none; transition: opacity .6s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0s); }

/* cursor-follow reel (reference: hero section video) */
.reel {
  position: absolute; left: 0; top: 0; z-index: 3; pointer-events: none;
  width: clamp(170px, 21vw, 330px); aspect-ratio: 16 / 10;
  opacity: 0; transform: translate3d(var(--x, 60vw), var(--y, 30vh), 0);
  transition: opacity .4s var(--ease);
}
.reel.is-on { opacity: 1; }
.reel-frame { position: relative; width: 100%; height: 100%; overflow: hidden; background: var(--ink); outline: 1px solid var(--ink-15); }
.reel-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top; opacity: 0; transform: scale(1.06); transition: opacity .35s var(--ease), transform 1.2s var(--ease); }
.reel-frame img.is-cur { opacity: 1; transform: none; }
.reel-cap { margin-top: 8px; font-size: 13px; font-weight: 600; line-height: 1.3; color: var(--ink); background: var(--paper); display: inline-block; padding: 2px 6px 3px 0; }
.reel-cap span { color: var(--mute); font-weight: 500; }
@media (max-width: 767px) {
  .hero-foot { grid-template-columns: 1fr; gap: 20px; }
  .hero-note { display: none; }
  .hero-foot .btn-row { flex-direction: column; align-items: stretch; }
  .hero-foot .btn { justify-content: center; }
  .reel { width: 46vw; }
}

/* ---------- About ---------- */
.about { border-top: 1px solid var(--ink-15); }
.about-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 32px; row-gap: 48px; align-items: start; }
.about-text { grid-column: 1 / span 7; }
.about-text .h2 { max-width: 14ch; }
.about-read { margin-top: 40px; font-size: clamp(1.25rem, .95rem + 1.1vw, 1.9rem); line-height: 1.34; letter-spacing: -.012em; font-weight: 500; max-width: 30ch; }
.about-read .rw { transition: color .25s linear; }
.js .about-read .rw { color: rgba(26, 23, 20, .22); }
.js .about-read .rw.on { color: var(--ink); }
.about-small { margin-top: 32px; max-width: 46ch; color: var(--mute); }
.about-figure { grid-column: 9 / span 4; margin: 0; position: relative; margin-top: 96px; }
.about-figure img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.about-figure figcaption { margin-top: 12px; }
.about-note { position: absolute; left: -64px; top: -44px; transform: rotate(-6deg); font-size: 30px; }
@media (max-width: 1023px) {
  .about-text { grid-column: 1 / -1; }
  .about-figure { grid-column: 3 / -1; margin-top: 0; }
  .about-note { left: -8px; top: -40px; }
}
@media (max-width: 599px) { .about-figure { grid-column: 1 / -1; } }

/* ---------- Services (reference: services section video) ---------- */
.services { background: var(--paper); border-top: 1px solid var(--ink-15); }
.svc-head { display: grid; gap: 20px; margin-bottom: clamp(40px, 6vw, 80px); }
.svc-head .h2 { max-width: 13ch; }
.svc-layout { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 32px; }
.svc-rail { grid-column: 1 / span 4; position: relative; }
.svc-rail-inner { position: sticky; top: calc(var(--header-h) + 32px); }
.svc-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-deep); }
.svc-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.04); transition: opacity .45s var(--ease), transform .9s var(--ease); }
.svc-media img.is-cur { opacity: 1; transform: none; }
.svc-rail-cap { margin-top: 14px; min-height: 3em; }
.svc-list { grid-column: 5 / -1; list-style: none; margin: 0; padding: 0; }
.svc {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 24px 32px;
  padding-block: 28px 44px; border-top: 1px solid var(--ink-15);
}
.svc:last-child { border-bottom: 1px solid var(--ink-15); }
.svc-name {
  font-size: clamp(3rem, 1rem + 6vw, 7.25rem); font-weight: 800; line-height: .9; letter-spacing: -.045em;
  color: var(--ink); transition: color .35s var(--ease); position: relative; align-self: start;
}
.js .svc-name { color: rgba(26, 23, 20, .2); }
.js .svc.is-active .svc-name { color: var(--ink); }
.svc-name small { display: block; font-size: 17px; font-weight: 600; letter-spacing: 0; line-height: 1.3; margin-top: 14px; color: var(--mute); }
.svc-under { display: block; width: min(100%, 4.2em); height: .16em; margin-top: .08em; overflow: visible; }
.svc-under path { fill: none; stroke: var(--pen); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 0; }
.js .svc-under path { stroke-dashoffset: 1; transition: stroke-dashoffset .55s var(--ease); }
.js .svc.is-active .svc-under path { stroke-dashoffset: 0; }
.svc-body { display: grid; gap: 16px; align-content: start; padding-top: 6px; }
.svc-body .problem { font-weight: 600; font-size: 1.05em; line-height: 1.4; }
.svc-body ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; color: var(--mute); }
.svc-body li { padding-left: 18px; position: relative; }
.svc-body li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 1.5px; background: var(--ink); }
.svc-body .label { font-size: 14px; font-weight: 650; color: var(--ink); }
.svc-mobile-img { display: none; }
.svc-geo-def { font-size: 15px; color: var(--mute); border-left: 1px solid var(--ink-15); padding-left: 12px; }
@media (max-width: 1023px) {
  .svc-rail { display: none; }
  .svc-list { grid-column: 1 / -1; }
  .svc { grid-template-columns: 1fr; }
  .svc-mobile-img { display: block; aspect-ratio: 16 / 10; object-fit: cover; width: 100%; margin-bottom: 4px; }
}

/* ---------- Portfolio (reference: portfolio section video) ---------- */
.work { border-top: 1px solid var(--ink-15); padding-bottom: calc(var(--section) * .7); }
.work-head { display: grid; gap: 20px; max-width: 760px; }
.work-head p { color: var(--mute); max-width: 52ch; }
.cloud {
  position: relative; height: clamp(520px, 78vh, 820px); margin-top: 32px;
  --cx: 0px; --cy: 0px;
}
.cloud-field { position: absolute; inset: 0; transform: translate3d(var(--cx), var(--cy), 0); transition: transform .9s var(--ease); }
.thumb {
  position: absolute; left: var(--l); top: var(--t); width: var(--w); padding: 0; border: 0; background: none; cursor: pointer;
  transform: translate(-50%, -50%) rotate(var(--r, 0deg)); transition: transform .5s var(--ease), opacity .45s var(--ease), filter .45s var(--ease);
}
.thumb img { width: 100%; aspect-ratio: var(--ar, 16 / 10); object-fit: cover; object-position: top; outline: 1px solid var(--ink-15); background: var(--paper-deep); }
.js .cloud:not(.is-ready) .thumb { opacity: 0; transform: translate(-50%, -50%) scale(.6); }
.cloud.is-ready .thumb { transition-delay: calc(var(--i) * 28ms); }
.cloud.is-ready.is-settled .thumb { transition-delay: 0s; }
@media (hover: hover) and (pointer: fine) {
  .thumb:hover { transform: translate(-50%, -50%) rotate(0deg) scale(1.08); z-index: 2; }
}
.cloud.is-dim .thumb:not(.is-hot) { opacity: .28; }
.cloud.is-dim .thumb.is-hot { transform: translate(-50%, -50%) rotate(0deg) scale(1.1); z-index: 2; }
.cloud.is-open .thumb { opacity: .08; pointer-events: none; }
.stage {
  position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; z-index: 5;
}
.stage-card { width: min(760px, 86%); pointer-events: auto; opacity: 0; transform: scale(.94); transition: opacity .35s var(--ease), transform .55s var(--ease); visibility: hidden; }
.cloud.is-open .stage-card { opacity: 1; transform: none; visibility: visible; }
.stage-img { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--ink); outline: 1px solid var(--ink-15); }
.stage-img img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.stage-meta { display: grid; grid-template-columns: 1fr auto; gap: 8px 24px; align-items: start; margin-top: 18px; }
.stage-meta h3 { font-size: 26px; }
.stage-meta p { color: var(--mute); max-width: 52ch; }
.stage-tag { font-size: 14px; font-weight: 650; }
.stage-tag i { font-style: normal; color: var(--pen); }
.stage-actions { display: flex; gap: 8px; align-items: center; grid-row: span 2; }
.icon-btn { width: 44px; height: 44px; display: inline-grid; place-items: center; border: 1.5px solid var(--ink); background: var(--paper); border-radius: var(--radius); cursor: pointer; }
.icon-btn svg { width: 18px; height: 18px; }
.work-index { list-style: none; margin: 40px 0 0; padding: 0; border-top: 1px solid var(--ink); }
.work-row {
  display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 3fr) minmax(0, 5fr) auto; gap: 16px 32px; align-items: baseline;
  padding: 20px 0; border-bottom: 1px solid var(--ink-15);
}
.work-row h3 { font-size: clamp(1.3rem, 1rem + .9vw, 1.8rem); font-weight: 700; }
.work-row .svc-t { font-weight: 550; }
.work-row .prob { color: var(--mute); }
.work-row .tag { display: block; font-size: 13.5px; font-weight: 650; color: var(--pen); margin-top: 4px; letter-spacing: 0; }
@media (max-width: 1023px) {
  .work-row { grid-template-columns: 1fr auto; }
  .work-row .svc-t, .work-row .prob { grid-column: 1 / -1; }
  .work-row .svc-t { order: 2; } .work-row .prob { order: 3; } .work-row .link-arrow { order: 1; grid-column: 2; grid-row: 1; }
}
@media (max-width: 767px) {
  .cloud { height: 118vw; min-height: 440px; max-height: 620px; }
  .stage-card { width: 100%; }
  .stage-meta { grid-template-columns: 1fr; }
  .stage-actions { grid-row: auto; }
}

/* ---------- Process (reference: process section video) ---------- */
.process { border-top: 1px solid var(--ink-15); }
.process-head { display: grid; gap: 16px; margin-bottom: 40px; }
.process-head p { color: var(--mute); max-width: 56ch; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; border-top: 1px solid var(--ink); }
.step {
  position: relative; background: var(--paper);
  background-image: repeating-linear-gradient(to bottom, transparent 0 31px, rgba(201, 214, 234, .75) 31px 32px);
  border-bottom: 1px solid var(--ink-15);
  padding: 28px 0 36px;
  display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 16px 32px;
}
.step-num { font-size: clamp(6rem, 3rem + 11vw, 15rem); font-weight: 800; line-height: .8; letter-spacing: -.06em; }
.step-num span { font-size: .5em; letter-spacing: -.04em; }
.step-body { display: grid; gap: 14px; align-content: end; max-width: 52ch; }
.step-body > p:first-of-type { font-size: clamp(1.05rem, .95rem + .45vw, 1.3rem); line-height: 1.45; }
.step-body h3 { font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.5rem); }
.step-body .label { font-size: 14px; font-weight: 650; margin-top: 6px; }
.step-body .out { color: var(--mute); }
.process-note { margin-top: 24px; color: var(--mute); max-width: 70ch; font-size: 16px; }

/* pinned accordion columns: enhanced only when JS runs and motion is allowed */
.proc-pin .process-stage { position: relative; height: calc(100vh * var(--steps, 4) * .9); }
.proc-pin .process-sticky { position: sticky; top: var(--header-h); height: calc(100svh - var(--header-h)); overflow: hidden; }
.proc-pin .steps { position: absolute; inset: 0 var(--gutter); border-top: 1px solid var(--ink); overflow: hidden; }
.proc-pin .step {
  position: absolute; top: 0; bottom: 0; left: 0; width: calc(100% - var(--k) * var(--strip));
  border-bottom: 0; border-left: 1px solid var(--ink); padding: 32px 0 36px 24px;
  grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr; align-content: stretch;
  transform: translate3d(var(--tx, 0px), 0, 0); will-change: transform;
}
.proc-pin .step:first-child { border-left: 0; padding-left: 0; }
.proc-pin .step-num { align-self: end; order: 2; }
.proc-pin .step-body { order: 1; align-content: start; padding-left: calc(var(--strip) + 8px); max-width: calc(50ch + var(--strip)); padding-right: var(--gutter); }
.proc-pin .step:first-child .step-body { padding-left: calc(var(--strip) + 32px); }
@media (max-width: 767px) {
  .step { grid-template-columns: 1fr; }
  .proc-pin .step {
    width: 100%; bottom: auto; height: calc(100% - var(--k) * var(--strip));
    border-left: 0; border-top: 1px solid var(--ink); padding: 14px 0 24px;
    transform: translate3d(0, var(--ty, 0px), 0); grid-template-rows: auto 1fr;
  }
  .proc-pin .step:first-child { border-top: 0; }
  .proc-pin .step-num { order: 1; align-self: start; font-size: 44px; line-height: 1; height: calc(var(--strip) - 14px); display: flex; align-items: flex-start; gap: 12px; }
  .proc-pin .step-num span { font-size: 1em; }
  .proc-pin .step-num em { font-style: normal; font-size: 22px; font-weight: 700; letter-spacing: -.01em; padding-top: 6px; }
  .proc-pin .step-body { order: 2; padding: 16px 0 0; max-width: none; align-content: start; }
  .proc-pin .step-body h3 { display: none; }
  .proc-pin .step:first-child .step-body { padding-left: 0; }
  .hero h1 { font-size: 14.4vw; }
  .cloud.is-open { height: auto; min-height: 118vw; }
  .cloud.is-open .stage { position: relative; inset: auto; padding: 8px 0 0; }
  .cloud.is-open .cloud-field { position: absolute; }
}
.cloud.is-open + .meta { visibility: hidden; }
.step-num em { display: none; }
.proc-pin .step-num em { display: none; }
@media (max-width: 767px) { .proc-pin .step-num em { display: inline; } }

/* ---------- Behind the Concept ---------- */
.concept { border-top: 1px solid var(--ink-15); }
.concept-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 48px 32px; }
.concept-intro { grid-column: 1 / span 5; display: grid; gap: 24px; align-content: start; }
.concept-intro .h2 { max-width: 12ch; }
.concept-intro p { color: var(--mute); max-width: 40ch; }
.principles { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 0; border-top: 1px solid var(--ink-15); }
.principles li { display: grid; grid-template-columns: 7.5em 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--ink-15); }
.principles b { font-weight: 700; }
.principles span { color: var(--mute); }
.sheet-pair { grid-column: 7 / -1; display: grid; gap: 28px; }
.sheet {
  background: var(--paper-deep); padding: clamp(22px, 3vw, 36px); position: relative;
}
.sheet-label { font-size: 14px; font-weight: 700; display: flex; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.sheet-label span { color: var(--mute); font-weight: 550; }
.sheet--before p { color: var(--mute); font-size: 17px; line-height: 1.6; }
.strike { position: relative; }
.strike svg { position: absolute; left: -2px; right: -2px; top: 50%; width: calc(100% + 4px); height: 12px; transform: translateY(-40%); overflow: visible; pointer-events: none; }
.strike path { fill: none; stroke: var(--pen); stroke-width: 2.2; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 0; }
.js .sheet-pair:not(.is-in) .strike path { stroke-dashoffset: 1; }
.js .sheet-pair.is-in .strike path { transition: stroke-dashoffset .5s var(--ease); transition-delay: calc(.2s + var(--i) * .22s); }
.sheet-note { position: absolute; right: 18px; bottom: -22px; font-size: 27px; transform: rotate(-4deg); background: var(--paper); padding: 0 8px; }
.sheet--after { background: var(--paper); outline: 1.5px solid var(--ink); }
.qa { display: grid; gap: 18px; }
.qa div { display: grid; grid-template-columns: 6.4em 1fr; gap: 12px; align-items: baseline; }
.qa dt { font-size: 14px; font-weight: 700; color: var(--mute); }
.qa dd { margin: 0; font-size: clamp(1.05rem, .95rem + .4vw, 1.3rem); line-height: 1.4; font-weight: 550; }
.qa .answer { font-size: clamp(1.3rem, 1rem + 1vw, 1.8rem); font-weight: 700; letter-spacing: -.015em; line-height: 1.2; }
.js .sheet--after { opacity: 0; transform: translateY(16px); }
.js .sheet-pair.is-in .sheet--after { opacity: 1; transform: none; transition: opacity .6s var(--ease) .95s, transform .8s var(--ease) .95s; }
.js .sheet-pair .mark[data-draw] { --mark-delay: 1.45s; }
.circle-note { position: absolute; left: -14px; top: -18px; width: calc(100% + 28px); height: calc(100% + 36px); pointer-events: none; overflow: visible; }
.illus { font-size: 13.5px; color: var(--mute); }
@media (max-width: 1023px) {
  .concept-intro, .sheet-pair { grid-column: 1 / -1; }
}
@media (max-width: 599px) {
  .qa div, .principles li { grid-template-columns: 1fr; gap: 4px; }
}

/* ---------- Articles (reference: article section video) ---------- */
.articles { border-top: 1px solid var(--ink-15); }
.art-head { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 24px 32px; align-items: end; margin-bottom: 48px; }
.art-head .h2 { max-width: 13ch; }
.art-head p { color: var(--mute); max-width: 40ch; }
.art-layout { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 32px; align-items: start; }
.art-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.art-row { border-bottom: 1px solid var(--ink-15); position: relative; }
.art-row a {
  display: grid; grid-template-columns: 9.5em minmax(0, 1fr) auto; gap: 8px 24px; align-items: baseline;
  padding: 24px 0 26px; text-decoration: none;
}
.art-row .cat { font-size: 14px; font-weight: 650; }
.art-row h3 { font-size: clamp(1.35rem, 1rem + 1.25vw, 2.2rem); font-weight: 700; line-height: 1.1; letter-spacing: -.02em; }
.art-row h3 span { background: linear-gradient(var(--ink), var(--ink)) left 96% / 0 2px no-repeat; transition: background-size .45s var(--ease); padding-bottom: 2px; }
.art-row p { grid-column: 2; color: var(--mute); max-width: 56ch; font-size: 16.5px; }
.art-row .rt { font-size: 14px; color: var(--mute); white-space: nowrap; }
.art-row a:hover h3 span, .art-row a:focus-visible h3 span, .art-row.is-active h3 span { background-size: 100% 2px; }
.art-row:first-child h3 { font-size: clamp(1.6rem, 1.1rem + 2vw, 3rem); }
.art-thumb-m { display: none; }
.art-preview { position: sticky; top: calc(var(--header-h) + 32px); }
.art-preview-frame { position: relative; aspect-ratio: 3 / 2; overflow: hidden; background: var(--paper-deep); }
.art-preview-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: translateY(10px) scale(1.03); transition: opacity .35s var(--ease), transform .6s var(--ease); }
.art-preview-frame img.is-cur { opacity: 1; transform: none; }
.art-preview .meta { margin-top: 12px; }
@media (max-width: 1023px) {
  .art-head, .art-layout { grid-template-columns: 1fr; }
  .art-preview { display: none; }
  .art-row a { grid-template-columns: 1fr; }
  .art-row p { grid-column: 1; }
  .art-thumb-m { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; margin-bottom: 8px; }
}

/* ---------- CTA (highlighter) ---------- */
.cta { border-top: 1px solid var(--ink-15); padding-block: clamp(96px, 14vw, 200px); overflow: clip; }
.cta h2 {
  font-size: clamp(2.6rem, 1rem + 7vw, 8.4rem); font-weight: 800; line-height: .96; letter-spacing: -.045em; max-width: 12ch;
}
.cta h2 .mark::before { top: .44em; height: .52em; }
.cta-body { margin-top: clamp(40px, 5vw, 64px); display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 32px; align-items: start; }
.cta-choice { display: grid; gap: 14px; align-content: start; padding-top: 22px; border-top: 1.5px solid var(--ink); position: relative; }
.cta-choice p { color: var(--mute); max-width: 36ch; }
.cta-choice .btn { justify-self: start; }
.cta-choice .k { font-size: 14px; font-weight: 700; }
.cta-pen { position: absolute; right: 0; top: -54px; font-size: 30px; transform: rotate(-5deg); display: flex; align-items: flex-end; gap: 4px; }
.cta-pen svg { width: 46px; height: 40px; overflow: visible; }
.cta-pen path { fill: none; stroke: var(--pen); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.js .cta .cta-choice { opacity: 0; transform: translateY(18px); }
.js .cta.is-in .cta-choice { opacity: 1; transform: none; transition: opacity .6s var(--ease), transform .8s var(--ease); transition-delay: calc(1.05s + var(--i) * .12s); }
.js .cta.is-in .mark[data-draw] { --mark-delay: .35s; }
.js .cta .mark[data-draw]::before { transition-duration: .9s; }
@media (max-width: 767px) {
  .cta-body { grid-template-columns: 1fr; }
  .cta-choice .btn { justify-self: stretch; justify-content: center; }
  .cta-pen { top: -46px; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--paper-deep); padding-block: clamp(64px, 8vw, 112px) 28px; position: relative; overflow: clip; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 5fr) repeat(2, minmax(0, 2fr)) minmax(0, 3fr); gap: 40px 32px; }
.foot-brand .brand img { width: 48px; height: 48px; }
.foot-brand p { margin-top: 18px; max-width: 30ch; color: var(--mute); }
.foot-col h2 { font-size: 14px; font-weight: 700; letter-spacing: 0; margin-bottom: 12px; }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.foot-col a { display: inline-flex; min-height: 40px; align-items: center; text-decoration: none; font-weight: 550; }
.foot-col a:hover { text-decoration: underline; }
.foot-col p { color: var(--mute); font-size: 16px; }
.foot-base { margin-top: clamp(56px, 8vw, 96px); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 24px; padding-top: 22px; border-top: 1px solid var(--ink-15); font-size: 15px; color: var(--mute); }
.foot-base a { color: var(--ink); }
.stamp {
  display: inline-block; border: 3px solid var(--pen); border-radius: 6px; color: var(--pen);
  font-weight: 800; font-size: clamp(20px, 1.4vw + 12px, 28px); letter-spacing: .04em; line-height: 1;
  padding: 10px 16px 9px; transform: rotate(-6deg);
}
.js .stamp { opacity: 0; transform: rotate(-12deg) scale(1.35); }
.js .stamp.is-in { opacity: 1; transform: rotate(-6deg) scale(1); transition: opacity .18s var(--ease), transform .28s cubic-bezier(.3, 1.4, .5, 1); }
@media (max-width: 1023px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }

/* ---------- Generic reveal (one-shot, subtle) ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(14px); }
.js [data-reveal].is-in { opacity: 1; transform: none; transition: opacity .6s var(--ease), transform .75s var(--ease); transition-delay: var(--d, 0s); }

/* ---------- Opening ---------- */
.opening { min-height: 100svh; display: grid; place-items: center; padding: 32px var(--gutter); text-align: center; }
.opening-inner { display: grid; justify-items: center; gap: 36px; }
.opening-logo { width: 72px; height: 72px; }
.opening h1 { font-size: clamp(3.2rem, 1rem + 9vw, 9rem); font-weight: 800; letter-spacing: -.045em; line-height: .95; }
.opening-q { font-size: 17px; color: var(--mute); }
.lang-choice { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.lang-choice .btn { min-width: 220px; justify-content: center; font-size: 19px; min-height: 60px; }
.skip { position: fixed; right: 20px; bottom: 20px; background: none; border: 0; font-weight: 600; text-decoration: underline; text-underline-offset: .22em; min-height: 44px; padding: 0 8px; cursor: pointer; color: var(--mute); }
.js .opening .o-logo, .js .opening .o-title, .js .opening .o-choose { opacity: 0; transform: translateY(12px); }
.opening.s1 .o-logo, .opening.s1 .o-title { opacity: 1; transform: none; transition: opacity .5s var(--ease), transform .6s var(--ease); }
.opening.s3 .o-choose { opacity: 1; transform: none; transition: opacity .5s var(--ease), transform .6s var(--ease); }
.opening.s3 .skip { visibility: hidden; }

/* ---------- Case study page (reference: article page video) ---------- */
.case-top { padding-top: calc(var(--header-h) + clamp(40px, 6vw, 88px)); padding-bottom: clamp(40px, 5vw, 64px); }
.crumbs { font-size: 15px; font-weight: 550; margin-bottom: 28px; }
.crumbs a { text-decoration: none; display: inline-flex; min-height: 44px; align-items: center; gap: 8px; }
.crumbs a:hover { text-decoration: underline; }
.case-title { font-size: clamp(2rem, 1rem + 3.4vw, 4.2rem); font-weight: 750; line-height: 1.04; letter-spacing: -.03em; max-width: 22ch; }
.case-title b { font-weight: 800; }
.case-facts { display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: 28px; font-size: 15px; }
.case-facts div { display: grid; }
.case-facts dt { color: var(--mute); font-weight: 550; }
.case-facts dd { margin: 0; font-weight: 650; }
.concept-tag { display: inline-block; border: 1.5px solid var(--pen); color: var(--pen); font-weight: 700; font-size: 13.5px; padding: 3px 8px; border-radius: var(--radius); }
.case-body { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 32px; align-items: start; padding-bottom: var(--section); }
.case-gallery { display: grid; gap: clamp(20px, 3vw, 40px); }
.case-gallery figure { margin: 0; }
.case-gallery img { width: 100%; outline: 1px solid var(--ink-15); background: var(--paper-deep); }
.case-gallery figcaption { margin-top: 10px; font-size: 15px; color: var(--mute); max-width: 60ch; }
.case-gallery figcaption b { color: var(--ink); font-weight: 650; }
.case-side { position: sticky; top: calc(var(--header-h) + 24px); max-height: calc(100vh - var(--header-h) - 48px); overflow-y: auto; scrollbar-width: thin; padding-right: 4px; }
.acc { border-top: 1px solid var(--ink); }
.acc details { border-bottom: 1px solid var(--ink-15); }
.acc summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  min-height: 52px; font-weight: 700; font-size: 17px;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary .pm { width: 14px; height: 14px; position: relative; flex: none; }
.acc summary .pm::before, .acc summary .pm::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1.5px; background: var(--ink); transition: transform .25s var(--ease); }
.acc summary .pm::after { transform: rotate(90deg); }
.acc details[open] summary .pm::after { transform: rotate(0); }
.acc summary .is-now { display: none; }
.acc details.is-current summary { color: var(--ink); }
.acc details.is-current summary::before { content: ""; width: 8px; height: 8px; background: var(--mark); outline: 1.5px solid var(--ink); margin-right: -6px; }
.acc .acc-body { padding: 0 0 20px; color: var(--mute); font-size: 16.5px; display: grid; gap: 10px; }
.acc .acc-body ul { margin: 0; padding-left: 18px; }
.acc .acc-body b { color: var(--ink); }
.why { background: var(--paper-deep); padding: clamp(28px, 4vw, 48px); margin-top: 8px; }
.why h2 { font-size: clamp(1.6rem, 1.1rem + 1.6vw, 2.6rem); max-width: 18ch; }
.why p { margin-top: 18px; max-width: 60ch; font-size: 1.05em; }
.case-next { border-top: 1px solid var(--ink-15); padding-block: clamp(56px, 7vw, 96px); }
.case-next a.next { display: grid; gap: 8px; text-decoration: none; }
.case-next .k { font-size: 15px; color: var(--mute); font-weight: 600; }
.case-next .n { font-size: clamp(2.4rem, 1rem + 5vw, 6rem); font-weight: 800; letter-spacing: -.045em; line-height: .95; }
.case-next a.next:hover .n span { background: linear-gradient(var(--mark), var(--mark)) 0 62% / 100% .42em no-repeat; }
.case-cta { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; }
@media (max-width: 1023px) {
  .case-body { grid-template-columns: 1fr; }
  .case-side { position: static; max-height: none; overflow: visible; order: -1; }
}

/* ---------- Article page ---------- */
.article { padding-top: calc(var(--header-h) + clamp(40px, 6vw, 88px)); padding-bottom: var(--section); }
.article-head { max-width: 900px; }
.article-head h1 { font-size: clamp(2.2rem, 1rem + 4vw, 4.6rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.02; }
.article-head .excerpt { margin-top: 24px; font-size: clamp(1.15rem, 1rem + .6vw, 1.45rem); line-height: 1.45; max-width: 44ch; }
.article-meta { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 15px; color: var(--mute); }
.article-figure { margin: clamp(32px, 5vw, 64px) 0; }
.article-figure img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.prose { max-width: 66ch; font-size: 1.05em; }
.prose h2 { font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2.1rem); margin: 48px 0 14px; }
.prose p { margin: 0 0 18px; }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 18px; }
.prose li { margin-bottom: 8px; }
.prose .aside { font-family: var(--f-hand); color: var(--pen); font-size: 28px; line-height: 1.15; margin: 28px 0; transform: rotate(-1.5deg); }
.draft-note { margin-top: 20px; font-size: 15px; color: var(--pen); font-weight: 600; }

/* ---------- Brief page (reference: CTA animation video, paper sheet) ---------- */
.brief-page { background: var(--paper-deep); min-height: 100svh; }
.brief-wrap { padding-top: calc(var(--header-h) + 32px); padding-bottom: 80px; }
.sheet-paper {
  position: relative; max-width: 880px; margin: 24px auto 0; background: var(--paper);
  padding: clamp(28px, 5vw, 64px) clamp(20px, 5vw, 64px) clamp(32px, 5vw, 56px);
  outline: 1px solid var(--ink-15);
}
.js .sheet-paper { transform: translateY(40vh); opacity: 0; }
.js .sheet-paper.is-in { transform: none; opacity: 1; transition: transform .9s var(--ease-out), opacity .35s var(--ease); }
.clip { position: absolute; width: 38px; left: clamp(18px, 4vw, 44px); top: -36px; transform: rotate(-4deg); pointer-events: none; }
.sheet-top { display: flex; justify-content: space-between; gap: 24px; align-items: start; padding-left: clamp(0px, 3vw, 24px); }
.sheet-top h1 { font-size: clamp(2rem, 1rem + 3.2vw, 3.6rem); font-weight: 800; letter-spacing: -.035em; }
.sheet-top img { width: 44px; height: 44px; flex: none; }
.steps-bar { display: flex; flex-wrap: wrap; gap: 6px 20px; margin: 24px 0 8px; font-size: 15px; font-weight: 600; list-style: none; padding: 0; }
.steps-bar li { color: var(--mute); }
.steps-bar li[aria-current="step"] { color: var(--ink); }
.steps-bar li[aria-current="step"] span { background: linear-gradient(var(--mark), var(--mark)) 0 70% / 100% .5em no-repeat; }
.form { display: grid; gap: 4px; margin-top: 28px; }
.field { display: grid; grid-template-columns: 3.2em minmax(0, 1fr); gap: 4px 12px; padding: 18px 0; border-top: 1px solid var(--ink-15); }
.field .n { font-size: 14px; font-weight: 700; color: var(--mute); padding-top: 3px; }
.field label, .field legend { font-weight: 650; font-size: 17px; padding: 0; }
.field fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.field .hint { font-size: 15px; color: var(--mute); margin-top: 2px; }
.field input[type="text"], .field input[type="email"], .field input[type="url"], .field input[type="tel"], .field textarea {
  width: 100%; margin-top: 10px; font: inherit; font-size: 17px; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1.5px solid var(--mute); border-radius: 0; padding: 10px 2px; min-height: 48px;
}
.field textarea { min-height: 132px; resize: vertical; background-image: repeating-linear-gradient(to bottom, transparent 0 31px, rgba(201, 214, 234, .9) 31px 32px); line-height: 32px; padding-top: 0; }
.field input:focus-visible, .field textarea:focus-visible { outline: 2.5px solid var(--ink); outline-offset: 2px; border-bottom-color: var(--ink); }
.choices { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.choice span { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 14px; border: 1.5px solid var(--ink); border-radius: var(--radius); font-weight: 600; }
.choice span::before { content: ""; width: 14px; height: 14px; border: 1.5px solid var(--ink); border-radius: 2px; }
.choice input:checked + span { background: var(--ink); color: var(--paper); }
.choice input:checked + span::before { background: var(--mark); border-color: var(--mark); }
.choice input:focus-visible + span { outline: 2.5px solid var(--ink); outline-offset: 3px; }
.err { display: none; color: var(--pen); font-size: 15px; font-weight: 600; margin-top: 6px; }
.field.is-invalid .err { display: block; }
.field.is-invalid input, .field.is-invalid textarea { border-bottom-color: var(--pen); }
.form-foot { border-top: 1.5px solid var(--ink); padding-top: 22px; margin-top: 8px; display: grid; gap: 16px; }
.form-foot p { font-size: 15px; color: var(--mute); max-width: 62ch; }
.form-status { padding: 16px 18px; background: var(--paper-deep); font-size: 16px; display: none; }
.form-status.is-shown { display: block; }
.form-status b { display: block; margin-bottom: 4px; }

/* ---------- Simple pages ---------- */
.page { padding-top: calc(var(--header-h) + clamp(40px, 6vw, 88px)); padding-bottom: var(--section); }
.page h1 { font-size: clamp(2.2rem, 1rem + 4vw, 4.6rem); font-weight: 800; letter-spacing: -.035em; max-width: 16ch; }
.page .lede { margin-top: 24px; max-width: 46ch; }
.pack-list { margin: 40px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); max-width: 760px; }
.pack-list li { display: grid; grid-template-columns: 3em 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--ink-15); }
.pack-list .n { color: var(--mute); font-weight: 700; font-size: 14px; padding-top: 3px; }
.notice { margin-top: 32px; padding: 18px 20px; background: var(--paper-deep); max-width: 760px; }
.notice b { display: block; }

/* ---------- Reduced motion: final state, no movement ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; transition-delay: 0s !important; animation-duration: .01ms !important; scroll-behavior: auto !important; }
  .js .split.is-pre .c, .js .hero-reveal, .js [data-reveal], .js .sheet-paper, .js .cta .cta-choice, .js .sheet--after, .js .stamp,
  .js .opening .o-logo, .js .opening .o-title, .js .opening .o-choose, .js .cloud:not(.is-ready) .thumb { opacity: 1 !important; transform: none !important; }
  .js .mark[data-draw]::before { --mark-p: 1; }
  .js .about-read .rw { color: var(--ink); }
  .js .strike path, .js .svc-under path { stroke-dashoffset: 0; }
  .js .stamp { transform: rotate(-6deg) !important; }
  .reel { display: none; }
}

.nw { white-space: nowrap; }

/* ---------- Section surfaces + stacking transition (reference: Section Transition video) ---------- */
.about, .work, .concept { background: var(--paper-deep); }
.hero, .services, .process, .articles { background: var(--paper); }
.about, .services, .work, .process, .concept, .articles { border-top: 1px solid var(--ink-15); }
.concept .sheet--before { background: var(--paper); }
.concept .sheet-note { background: var(--paper-deep); }
.concept .principles, .concept .principles li { border-color: rgba(26, 23, 20, .18); }
.stacked > .stack-sec { position: sticky; top: var(--st, 0px); }
.stacked > .stack-sec + .stack-sec { box-shadow: 0 -1px 0 var(--ink-15); }

/* CTA on Ink: the highlighter reads loudest on the darkest surface */
.cta-band { background: var(--ink); color: var(--paper); }
.cta-band .cta { border-top: 0; }
.cta-band .mark { color: var(--ink); }
.cta-band .cta h2 .mark::before { top: .1em; height: .9em; left: -.08em; right: -.1em; }
.cta-band .cta-choice { border-top-color: var(--paper); }
.cta-band .cta-choice p { color: #CFC8BB; }
.cta-band .cta-choice .k { color: var(--paper); }
.cta-band .btn--primary { --bg: var(--paper); --fg: var(--ink); border-color: var(--paper); }
.cta-band .btn--ghost { --fg: var(--paper); border-color: var(--paper); }
.cta-band .btn--ghost:hover, .cta-band .btn--ghost:focus-visible { --fg: var(--ink); }
@media (hover: hover) and (pointer: fine) { .cta-band .btn--primary:hover { --bg: #fff; } }
.cta-band .btn--ghost::before { inset: 0; transform: scaleX(0); }
@media (hover: hover) and (pointer: fine) { .cta-band .btn--ghost:hover::before { transform: scaleX(1); } }
.cta-band .btn--ghost:focus-visible::before { transform: scaleX(1); }
.cta-band :focus-visible { outline-color: var(--mark); }
.cta-band .cta-pen { color: #E2574E; }
.cta-band .cta-pen path { stroke: #E2574E; }

/* ---------- Page transition: highlighter sweep (reference: page transition video) ---------- */
.pt { position: fixed; inset: 0; z-index: 90; pointer-events: none; overflow: hidden; }
.pt i {
  position: absolute; left: -12vw; width: 124vw; height: 38vh; background: var(--mark); display: block;
  transform-origin: left center; transform: rotate(-3deg) scaleX(0);
  clip-path: polygon(0 10%, 1.5% 0, 98.5% 5%, 100% 18%, 99.2% 90%, 97.5% 100%, 1% 95%, 0 82%);
}
.pt i:nth-child(1) { top: -6vh; }
.pt i:nth-child(2) { top: 28vh; }
.pt i:nth-child(3) { top: 62vh; }
.pt-logo { position: absolute; left: 50%; top: 50%; width: 64px; height: 64px; margin: -32px 0 0 -32px; opacity: 0; transition: opacity .2s var(--ease); }
.pt.is-cover i { transform: rotate(-3deg) scaleX(1); transition: transform .42s cubic-bezier(.7, 0, .2, 1); transition-delay: calc(var(--k) * 70ms); }
.pt.is-cover .pt-logo { opacity: 1; transition-delay: .35s; }
.pt.is-full i { transform: rotate(-3deg) scaleX(1); transform-origin: right center; }
.pt.is-full .pt-logo { opacity: 1; }
.pt.is-leave i { transform: rotate(-3deg) scaleX(0); transform-origin: right center; transition: transform .5s cubic-bezier(.7, 0, .2, 1); transition-delay: calc(var(--k) * 70ms + 60ms); }
.pt.is-leave .pt-logo { opacity: 0; transition-delay: 0s; }
html.pt-hold body { visibility: hidden; }
html.pt-hold .pt { visibility: visible; }
@media (prefers-reduced-motion: reduce) { .pt { display: none; } }
.hero-band { background: var(--paper); }
html.pt-arrive body::after { content: ""; position: fixed; inset: 0; z-index: 89; background: var(--mark); }
.anchor { display: block; height: 0; }
.js .cta-band .mark[data-draw] { transition: color .3s var(--ease) calc(var(--mark-delay, 0s) + .3s); }
.js .cta-band .mark[data-draw]:not(.is-drawn) { color: var(--paper); }

/* =================================================================== v2 */
/* ---------- Header (reference: seated.nyc) ---------- */
.site-header { background: var(--paper); }
.hdr-right { display: flex; align-items: center; font-weight: 650; font-size: clamp(15px, .6vw + 11px, 19px); text-transform: uppercase; letter-spacing: .01em; }
.hdr-cta { position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 8px 14px; text-decoration: none; }
.hdr-cta:hover { text-decoration: none; }
.scribble { position: absolute; left: -6px; top: -4px; width: calc(100% + 12px); height: calc(100% + 8px); overflow: visible; pointer-events: none; }
.scribble path { fill: none; stroke: var(--pen); stroke-width: 1.7; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 0; }
.js .scribble path { stroke-dashoffset: 1; animation: scribble-in .9s var(--ease) .5s forwards; }
@keyframes scribble-in { to { stroke-dashoffset: 0; } }
@media (hover: hover) and (pointer: fine) { .hdr-cta:hover .scribble path { animation: scribble-redraw .6s var(--ease) forwards; } }
@keyframes scribble-redraw { 0% { stroke-dashoffset: 1; } 100% { stroke-dashoffset: 0; } }
.hdr-comma { margin: 0 8px 0 -8px; }
.menu-toggle { background: none; border: 0; padding: 8px 2px; min-height: 44px; min-width: 44px; font: inherit; text-transform: inherit; letter-spacing: inherit; color: inherit; cursor: pointer; position: relative; }
.menu-toggle::after { content: ""; position: absolute; left: 2px; right: 2px; bottom: 9px; height: 1.5px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
@media (hover: hover) and (pointer: fine) { .menu-toggle:hover::after { transform: scaleX(1); } }
@media (max-width: 1023px) { .menu-btn, .mobile-menu { display: none !important; } }
@media (max-width: 479px) { .site-header .brand span { display: none; } .hdr-cta { padding: 8px 10px; } }

.site-menu {
  position: fixed; inset: 0; z-index: 48; background: var(--ink); color: var(--paper);
  display: grid; grid-template-rows: 1fr auto; padding-top: var(--header-h);
  clip-path: inset(0 0 100% 0); visibility: hidden;
  transition: clip-path .6s cubic-bezier(.7, 0, .2, 1), visibility 0s linear .6s;
}
.site-menu.is-open { clip-path: inset(0 0 0 0); visibility: visible; transition: clip-path .6s cubic-bezier(.7, 0, .2, 1), visibility 0s; }
.menu-nav { display: grid; place-items: center; }
.menu-nav ul { list-style: none; margin: 0; padding: 0; text-align: center; }
.menu-nav li { overflow: hidden; }
.menu-nav a {
  display: inline-block; position: relative; isolation: isolate; text-decoration: none; text-transform: uppercase;
  font-size: clamp(2.3rem, 1rem + 5.2vw, 5.6rem); font-weight: 800; line-height: 1.02; letter-spacing: -.03em; padding: 2px 10px;
  transform: translateY(105%); transition: transform .6s var(--ease-out), color .2s var(--ease);
}
.site-menu.is-open .menu-nav a { transform: none; transition-delay: calc(.18s + var(--i) * 55ms), 0s; }
.menu-nav a::before { content: ""; position: absolute; z-index: -1; left: 0; right: 0; top: 16%; bottom: 12%; background: var(--mark); transform: scaleX(0) rotate(-1.4deg); transform-origin: left; transition: transform .35s var(--ease); }
.menu-nav a:hover, .menu-nav a:focus-visible { color: var(--ink); }
.menu-nav a:hover::before, .menu-nav a:focus-visible::before { transform: scaleX(1) rotate(-1.4deg); }
.menu-nav a[aria-current="page"] span { background: linear-gradient(#E2574E, #E2574E) 0 94% / 100% 4px no-repeat; }
.menu-nav a:focus-visible { outline-color: var(--mark); }
.menu-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-bottom: 24px; font-weight: 600; text-transform: uppercase; font-size: 15px; }
.menu-foot a, .menu-foot .lang a { color: var(--paper); }
.menu-foot .lang { margin: 0; }
.menu-foot .lang [aria-current="true"]::after { background: var(--paper); }
.menu-foot .lang .sep { color: rgba(243, 239, 230, .3); }
html.menu-open, html.menu-open body { overflow: hidden; }
html.menu-open .site-header { background: transparent; color: var(--paper); border-bottom-color: transparent; }
html.menu-open .site-header .brand img { visibility: hidden; }
html.menu-open .site-header :focus-visible { outline-color: var(--mark); }
@media (prefers-reduced-motion: reduce) { .site-menu, .site-menu.is-open { transition: none; } .menu-nav a { transform: none; } }

/* ---------- Cut-out stills: no background, objects sit on the page ---------- */
img.cut { background: none; outline: 0; }
.svc-media { background: none; aspect-ratio: 5 / 4; }
.svc-media img.cut { object-fit: contain; object-position: center; }
.about-figure img.cut { aspect-ratio: auto; object-fit: contain; width: 112%; max-width: none; margin-left: -6%; }
.about-figure { margin-top: 48px; }
.art-preview-frame { background: none; aspect-ratio: 5 / 4; }
.art-preview-frame img.cut { object-fit: contain; }
.svc-mobile-img.cut, .art-thumb-m.cut { aspect-ratio: auto; object-fit: contain; height: auto; max-height: 280px; width: auto; max-width: 100%; margin: 0 auto 8px 0; }

/* ---------- Globe (reference: portfolio section video) ---------- */
.globe { position: relative; margin-top: 24px; }
.globe-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.orb-card { display: block; text-decoration: none; }
.orb-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; outline: 1px solid var(--ink-15); background: var(--paper-deep); -webkit-user-drag: none; }
.orb-name { display: block; margin-top: 10px; font-weight: 700; font-size: 17px; }
.globe-panel, .globe-hint { display: none; }
.globe.is-3d { height: clamp(540px, 88vh, 920px); touch-action: pan-y; user-select: none; -webkit-user-select: none; cursor: grab; }
.globe.is-3d.is-drag { cursor: grabbing; }
.globe.is-3d .globe-list { display: block; position: absolute; inset: 0; }
.globe.is-3d .orb {
  position: absolute; left: 50%; top: 46%; width: var(--cw, clamp(240px, 26vw, 420px)); margin-left: calc(var(--cw, clamp(240px, 26vw, 420px)) / -2);
  transform: translate3d(var(--x, 0px), var(--y, 0px), 0) translateY(-50%) scale(var(--s, 1)) rotateY(var(--ry, 0deg));
  z-index: var(--z, 1); opacity: var(--o, 1); will-change: transform, opacity; transition: opacity .4s var(--ease);
}
.globe.is-3d .orb-card { transition: transform .35s var(--ease); }
.globe.is-3d .orb-name { position: absolute; left: 0; top: 100%; opacity: 0; transform: translateY(-4px); transition: opacity .25s var(--ease), transform .3s var(--ease); background: var(--paper-deep); padding: 2px 6px 3px 0; }
.work--page .globe.is-3d .orb-name { background: var(--paper); }
.globe.is-3d .orb.is-front .orb-name, .globe.is-3d .orb-card:hover .orb-name, .globe.is-3d .orb-card:focus-visible .orb-name { opacity: 1; transform: none; }
@media (hover: hover) and (pointer: fine) { .globe.is-3d:not(.is-drag) .orb-card:hover { transform: scale(1.04); } }
.globe.is-3d .globe-hint { display: block; position: absolute; left: 0; right: 0; bottom: 8px; text-align: center; }
.globe.is-open .orb { opacity: .08 !important; pointer-events: none; }
.globe.is-open .globe-hint { opacity: 0; }
.globe.is-3d .globe-panel {
  display: grid; position: absolute; left: 50%; top: 50%; z-index: 200; width: min(880px, 94%);
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 24px 32px; align-items: end;
  transform: translate(-50%, -46%) scale(.96); opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .35s var(--ease), transform .55s var(--ease), visibility 0s linear .55s; cursor: auto;
}
.globe.is-open .globe-panel { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, -50%); transition: opacity .35s var(--ease), transform .55s var(--ease), visibility 0s; }
.gp-img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--ink); outline: 1px solid var(--ink-15); }
.gp-img img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.gp-meta { display: grid; gap: 12px; align-content: end; }
.gp-tag { font-size: 14px; font-weight: 650; }
.gp-tag i { font-style: normal; color: var(--pen); margin-right: 6px; }
.gp-meta h3 { font-size: clamp(1.8rem, 1.2rem + 2vw, 3rem); font-weight: 800; letter-spacing: -.035em; }
.gp-problem { color: var(--mute); }
.gp-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
@media (max-width: 767px) {
  .globe.is-3d { height: 128vw; min-height: 480px; max-height: 640px; }
  .globe.is-3d .orb { --cw: 52vw; }
  .globe.is-3d .globe-panel { grid-template-columns: 1fr; top: 50%; width: 100%; gap: 14px; }
  .gp-actions .btn { flex: 1 1 100%; justify-content: center; }
}
.work .globe.is-3d .orb-name { background: var(--paper-deep); }

/* ---------- Inner pages ---------- */
.page-hero { padding-top: calc(var(--header-h) + clamp(48px, 8vw, 120px)); padding-bottom: clamp(24px, 4vw, 56px); }
.page-title { font-size: clamp(4rem, 17vw, 17rem); font-weight: 800; line-height: .84; letter-spacing: -.06em; margin-left: -.05em; }
.page-lede { margin-top: clamp(24px, 3vw, 40px); max-width: 38ch; }
.inner .section:first-of-type { padding-top: clamp(32px, 5vw, 64px); }
.inner .services, .inner .articles, .inner .process { border-top: 1px solid var(--ink-15); }
.work--page { padding-bottom: clamp(48px, 6vw, 96px); }
.more-link { margin-top: clamp(32px, 4vw, 56px); }
.chips { display: flex; flex-wrap: wrap; }
.chip-link { display: inline-flex; flex-wrap: wrap; gap: 6px; text-decoration: none; }
.chip { display: inline-block; border: 1.5px solid var(--ink); border-radius: var(--radius); padding: 4px 10px; font-size: 14px; font-weight: 600; }
.chip-link:hover .chip { background: var(--mark); }
.inner--services .svc-body { gap: 12px; }

/* ---------- Process: five-stage framework ---------- */
.step-sub { font-weight: 700; font-size: clamp(1.05rem, .95rem + .4vw, 1.25rem); letter-spacing: -.01em; }
.step-tags { list-style: none; margin: 2px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.step-tags li { border: 1.5px solid var(--ink); border-radius: var(--radius); padding: 5px 10px; font-size: 14px; font-weight: 600; background: var(--paper); }
.step-body > p:first-of-type { color: var(--ink); }
@media (max-width: 767px) { .proc-pin .step-tags li { font-size: 13px; padding: 4px 8px; } }

/* ---------- Footer (reference: footer video) ---------- */
.site-footer { padding: clamp(64px, 8vw, 112px) 0 0; overflow: hidden; }
.foot-top { display: grid; grid-template-columns: minmax(0, 5fr) repeat(2, minmax(0, 2fr)) minmax(0, 3fr); gap: 32px; }
.foot-line { font-size: clamp(1.3rem, 1rem + 1vw, 1.9rem); font-weight: 700; letter-spacing: -.02em; line-height: 1.2; max-width: 20ch; margin-bottom: 16px; }
.foot-mark { position: relative; margin-top: clamp(40px, 6vw, 88px); }
.foot-word {
  display: flex; justify-content: center; overflow: hidden;
  font-size: 49vw; font-weight: 800; line-height: .76; letter-spacing: -.065em; padding: .02em 0 .03em; margin-inline: -.02em;
}
.foot-word span { display: block; transform: translateY(var(--rise, 0%)); will-change: transform; }
.foot-sticker {
  position: absolute; right: 13%; top: 16%; z-index: 2; background: var(--paper);
  font-size: clamp(18px, 2.4vw, 42px); padding: .45em .7em .4em; border-width: 3px; box-shadow: 0 0 0 5px var(--paper-deep);
}
.foot-base { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding-block: 18px 22px; font-size: 15px; color: var(--mute); }
.foot-base .lang { margin: 0; }
.foot-base a { color: var(--ink); }
@media (max-width: 1023px) { .foot-top { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }
@media (max-width: 599px) { .foot-sticker { right: 9%; top: -10%; } }

/* v2 fixes: mobile overflow, globe panel fit */
.globe.is-3d { overflow-x: clip; }
@media (max-width: 1023px) { .about-figure img.cut { width: 100%; margin-left: 0; } }
@media (max-width: 767px) {
  .globe.is-3d { height: 112vw; min-height: 420px; max-height: 620px; }
  .globe.is-3d.is-open { height: 164vw; max-height: 820px; }
  .globe.is-3d .orb { --cw: 48vw; }
  .globe.is-3d .globe-panel { top: 0; transform: translate(-50%, 8px) scale(.97); }
  .globe.is-open .globe-panel { transform: translate(-50%, 0); }
}
@media (max-width: 479px) {
  .hdr-right { font-size: 13.5px; }
  .hdr-cta { padding: 8px 9px; }
  .hdr-comma { margin: 0 6px 0 -6px; }
}

/* ---------------------------------------------------------------- v3: client articles */
.article-figure--cut { display: flex; justify-content: flex-start; }
.article-figure--cut img { width: auto; max-width: min(100%, 760px); max-height: min(64vh, 620px); height: auto; aspect-ratio: auto; object-fit: contain; }
.prose h3 { font-size: clamp(1.15rem, 1rem + .4vw, 1.35rem); font-weight: 700; letter-spacing: -.01em; margin: 32px 0 10px; }
.prose h2 + h3 { margin-top: 18px; }
.prose a { color: inherit; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; text-decoration-color: var(--pen); }
.prose a:hover { background: var(--mark); text-decoration-color: var(--ink); }
.tr-note { margin-top: 16px; font-size: 15px; color: var(--mute); }
.art-related { margin-top: clamp(56px, 7vw, 96px); padding-top: 28px; border-top: 1px solid var(--ink-15); max-width: 900px; }
.art-related ul { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.art-related li a { display: grid; gap: 6px; padding: 18px 20px; min-height: 44px; border: 1px solid var(--ink-15); border-radius: 14px; color: inherit; text-decoration: none; transition: background-color .2s ease, border-color .2s ease; }
.art-related li a:hover { background: var(--paper-deep); border-color: var(--ink); }
.art-related .cat { font-size: 13px; font-weight: 650; color: var(--mute); }
.art-related .rel-t { font-weight: 650; line-height: 1.3; }
.art-related .more-link { margin-top: 20px; }
.article-top .article-figure--cut img { max-height: min(56vh, 520px); }
@media (min-width: 1024px) {
  .article-top { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(32px, 4vw, 72px); align-items: end; margin-bottom: clamp(48px, 5vw, 72px); }
  .article-top .article-figure--cut { margin: 0; justify-content: center; }
  .article-top .article-figure--cut img { max-height: 460px; }
}

/* ---------------------------------------------------------------- v3: welcome package request (cold leads) */
.wf-layout { display: grid; gap: clamp(40px, 5vw, 72px); margin-top: 24px; }
@media (min-width: 1024px) { .wf-layout { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: start; } .wf-intro { position: sticky; top: calc(var(--header-h) + 24px); } }
.wf-title { font-size: clamp(2.4rem, 1rem + 4.4vw, 4.8rem); font-weight: 800; letter-spacing: -.04em; line-height: .98; max-width: 11ch; }
.wf-lede { margin-top: 20px; font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem); line-height: 1.5; max-width: 42ch; color: var(--mute); }
.wf-cover {
  position: relative; display: grid; align-content: start; gap: 10px; margin-top: 32px;
  width: min(100%, 300px); aspect-ratio: 210 / 297; padding: 22px 22px 22px 30px;
  background: var(--paper); outline: 1px solid var(--ink-15); transform: rotate(-2deg);
  background-image: linear-gradient(rgba(196, 43, 34, .5), rgba(196, 43, 34, .5)); background-size: 1px calc(100% - 44px); background-position: 16px 22px; background-repeat: no-repeat;
}
.wf-cover-top { display: inline-flex; align-items: center; gap: 6px; font-size: 9px; font-weight: 700; letter-spacing: .04em; }
.wf-cover-top img { width: 12px; height: 12px; }
.wf-cover-title { margin-top: 22px; font-size: clamp(1.9rem, 1.2rem + 1.6vw, 2.5rem); font-weight: 560; line-height: .98; letter-spacing: -.02em; }
.wf-cover-mark { margin-top: 18px; font-size: 1.05rem; font-weight: 600; }
.wf-cover-for { position: absolute; left: 30px; right: 22px; bottom: 54px; display: grid; gap: 2px; font-size: 11px; color: var(--mute); }
.wf-cover-name { font-size: 14px; font-weight: 700; color: var(--mute); overflow-wrap: anywhere; }
.wf-cover-name.is-set { color: var(--ink); }
.wf-cover-note { position: absolute; left: 28px; bottom: 16px; font-family: var(--f-hand); font-size: 20px; color: var(--pen); transform: rotate(-2deg); }
.wf-inside { margin-top: 40px; font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--mute); }
.wf-list { list-style: none; padding: 0; margin: 12px 0 0; border-top: 1px solid var(--ink); max-width: 520px; }
.wf-list li { display: grid; grid-template-columns: 2.6em minmax(0, 1fr); gap: 10px; padding: 14px 0; border-bottom: 1px solid var(--ink-15); }
.wf-list .n { color: var(--mute); font-weight: 700; font-size: 14px; padding-top: 2px; }
.wf-list b { display: block; font-weight: 650; }
.wf-list li span:last-child { color: var(--mute); font-size: 15px; line-height: 1.45; }
.wf-list li span:last-child b { color: var(--ink); font-size: 16px; margin-bottom: 2px; }
.wf-sheet { margin: 0; max-width: none; }
.wf-form-t { font-size: clamp(1.6rem, 1rem + 1.6vw, 2.3rem); font-weight: 800; letter-spacing: -.03em; }
.consent { display: flex; gap: 12px; align-items: flex-start; font-weight: 500 !important; font-size: 16px !important; line-height: 1.45; cursor: pointer; min-height: 44px; }
.consent input { flex: none; width: 22px; height: 22px; margin: 1px 0 0; accent-color: var(--ink); }
.field--consent .n { visibility: hidden; }
.field--consent.is-invalid .consent span { color: var(--pen); }
.wf-warm { font-size: 15px; }
.wf-warm a { color: var(--ink); font-weight: 650; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--pen); }
.js .wf-cover { opacity: 0; transform: translateY(24px) rotate(-2deg); }
.js .wf-cover.is-in { opacity: 1; transform: rotate(-2deg); transition: transform .9s var(--ease-out), opacity .4s var(--ease); }
@media (prefers-reduced-motion: reduce) { .js .wf-cover { opacity: 1 !important; transform: rotate(-2deg) !important; } }
@media (max-width: 767px) { .wf-cover { width: min(64vw, 240px); } }
.wf-cover-for b { color: var(--ink); font-size: 13px; }
.form-status.is-ready { background: var(--paper-deep); border-left: 4px solid var(--mark); display: grid; gap: 10px; justify-items: start; }
.form-status.is-ready b { font-size: 20px; margin: 0; }
.wf-dl { margin-top: 6px; }
.wf-dl-meta { font-size: 14px; color: var(--mute); }
.wf-preview-note { font-size: 13px; color: var(--pen); max-width: 56ch; }

/* ---------------------------------------------------------------- v4: business pair field, WhatsApp preview */
.field-l { display: block; font-weight: 650; font-size: 17px; }
.biz-pair { display: grid; gap: 4px 20px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); margin-top: 4px; }
.biz-pair label { display: block; font-size: 14px !important; font-weight: 600 !important; color: var(--mute); padding-top: 10px !important; }
.biz-pair input { margin-top: 2px !important; }
.wa-preview { margin: 12px 0 0; padding: 14px 16px; background: var(--paper); border-left: 3px solid var(--ink); font-family: var(--f); font-size: 15px; line-height: 1.5; white-space: pre-wrap; overflow-wrap: anywhere; }
.form { grid-template-columns: minmax(0, 1fr); }
.form > .field > div, .form > .field > fieldset { min-width: 0; }

/* ---------------------------------------------------------------- v6: Behind the case (featured project) */
.fc-head { max-width: 900px; }
.fc-kicker { font-family: var(--f-hand); font-size: clamp(1.6rem, 1.2rem + 1vw, 2.2rem); color: var(--pen); transform: rotate(-2deg); transform-origin: left; margin-bottom: 4px; }
.fc-grid { display: grid; gap: clamp(36px, 5vw, 80px); margin-top: clamp(32px, 4vw, 56px); align-items: start; }
@media (min-width: 1024px) { .fc-grid { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); } .fc-figure { position: sticky; top: calc(var(--header-h) + 32px); } }
.fc-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; font-size: 14px; color: var(--mute); font-weight: 600; }
.fc-name { margin-top: 14px; font-size: clamp(2.6rem, 1.4rem + 4vw, 5rem); font-weight: 800; letter-spacing: -.045em; line-height: .95; }
.fc-problem { margin-top: 18px; font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem); line-height: 1.5; max-width: 46ch; }
.fc-problem b { font-weight: 700; }
.fc-sub { margin-top: 32px; font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--mute); }
.fc-decisions { list-style: none; margin: 10px 0 0; padding: 0; border-top: 1px solid var(--ink); }
.fc-d { all: unset; box-sizing: border-box; display: grid; grid-template-columns: 2.6em minmax(0, 1fr); gap: 10px; width: 100%; padding: 14px 8px 14px 0; border-bottom: 1px solid var(--ink-15); cursor: pointer; min-height: 44px; }
.fc-d .n { font-size: 14px; font-weight: 700; color: var(--mute); padding-top: 3px; }
.fc-d-t b { display: block; font-size: 1.1rem; font-weight: 650; line-height: 1.3; }
.fc-d-t b { background: linear-gradient(var(--mark), var(--mark)) 0 88% / 0% .42em no-repeat; transition: background-size .45s var(--ease); width: fit-content; }
.fc-d-t small { display: block; margin-top: 4px; font-size: 15px; line-height: 1.45; color: var(--mute); max-height: 0; overflow: hidden; opacity: 0; transition: opacity .3s var(--ease); }
.fc-d[aria-pressed="true"] .fc-d-t b { background-size: 100% .42em; }
.fc-d[aria-pressed="true"] .fc-d-t small { max-height: 12em; opacity: 1; }
.fc-d[aria-pressed="true"] .n { color: var(--ink); }
.fc-d:hover .fc-d-t b { background-size: 100% .42em; }
.fc-d:focus-visible { outline: 2.5px solid var(--ink); outline-offset: 2px; }
.no-js .fc-d-t small, html:not(.js) .fc-d-t small { max-height: none; opacity: 1; }
.fc-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; margin-top: 32px; }
.fc-figure { position: relative; margin: 0; padding-top: 18px; }
.fc-figure .clip { position: absolute; z-index: 2; width: clamp(64px, 7vw, 96px); height: auto; left: clamp(16px, 3vw, 40px); top: -30px; transform: rotate(-6deg); pointer-events: none; }
.fc-frames { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--paper); outline: 1px solid var(--ink-15); transform: rotate(.8deg); }
.fc-frame { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .45s var(--ease), transform .9s var(--ease-out); transform: scale(1.03); }
.fc-frame.is-cur { opacity: 1; transform: none; }
.fc-figure figcaption { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-top: 16px; }
.fc-note { font-size: clamp(1.4rem, 1.1rem + .8vw, 1.9rem); color: var(--pen); transform: rotate(-1.5deg); transform-origin: left; }
.fc-hint { font-size: 13px; color: var(--mute); }
@media (max-width: 1023px) { .fc-figure { order: -1; } }
@media (prefers-reduced-motion: reduce) { .fc-frame { transition: none; transform: none; } }
.fc-grid { margin-top: 0; }
.fc-body { margin-top: clamp(28px, 3vw, 44px); }
@media (min-width: 1024px) { .fc-figure { margin-top: clamp(40px, 5vw, 88px); } }
@media (max-width: 1023px) { .fc-figure { order: 0; } .fc-copy { display: contents; } .fc-head { order: -2; } .fc-figure { order: -1; } }
@media (min-width: 1024px) { .fc-figure { position: relative; top: auto; } }
.fc-d-img { display: none; }
@media (max-width: 1023px) {
  .fc-hint { display: none; }
  .fc-d[aria-pressed="true"] .fc-d-img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; margin-top: 12px; outline: 1px solid var(--ink-15); }
}
.fc-d-t b { display: inline; width: auto; -webkit-box-decoration-break: clone; box-decoration-break: clone; background-position: 0 92%; }
.fc-d-t small { margin-top: 6px; }