:root {
  --porcelain: #f2f3f0;
  --paper: #fafaf7;
  --ink: #172033;
  --ink-soft: #50596a;
  --cobalt: #3157d5;
  --cobalt-dark: #2342ad;
  --lilac: #d9d5ff;
  --mint: #bde7d3;
  --coral: #ef7457;
  --line: rgba(23, 32, 51, .16);
  --display: "Instrument Serif", Georgia, serif;
  --body: "Manrope", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --page: min(100% - 48px, 1440px);
  --radius-lg: 36px;
  --radius-md: 24px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-color: var(--cobalt) var(--porcelain); scrollbar-width: thin; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--porcelain);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body::-webkit-scrollbar { width: 12px; }
body::-webkit-scrollbar-track { background: var(--porcelain); }
body::-webkit-scrollbar-thumb { background: var(--cobalt); border: 3px solid var(--porcelain); border-radius: 10px; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--cobalt); outline-offset: 4px; }
::selection { color: white; background: var(--cobalt); }

.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 16px; background: var(--ink); color: white; transform: translateY(-150%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  padding: 18px 0;
  transition: background .3s, border-color .3s, padding .3s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled { padding: 10px 0; background: rgba(242,243,240,.88); backdrop-filter: blur(18px); border-color: var(--line); }
.header-inner { width: var(--page); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; min-height: 44px; align-items: center; gap: 10px; font-size: 15px; font-weight: 700; letter-spacing: -.02em; }
.brand-mark { width: 34px; height: 34px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.brand-mark circle { fill: var(--coral); stroke: none; }
.site-nav { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; }
.site-nav a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 16px; border-radius: 999px; transition: background .2s, color .2s; }
.site-nav a:hover { background: rgba(49,87,213,.09); color: var(--cobalt-dark); }
.site-nav .nav-contact { margin-left: 10px; color: white; background: var(--ink); gap: 18px; }
.site-nav .nav-contact:hover { color: white; background: var(--cobalt); }
.menu-toggle { display: none; min-width: 44px; min-height: 44px; border: 0; background: transparent; color: var(--ink); font: 500 11px var(--mono); }

.hero { position: relative; min-height: 100svh; overflow: hidden; padding: 136px max(24px, calc((100vw - 1440px)/2 + 24px)) 48px; display: flex; flex-direction: column; justify-content: space-between; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: radial-gradient(circle at 78% 18%, rgba(217,213,255,.8), transparent 27%), radial-gradient(circle at 16% 82%, rgba(189,231,211,.68), transparent 25%); }
.hero-grid { position: absolute; inset: 0; z-index: -1; opacity: .3; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: calc(100% / 12) 100%, calc(100% / 12) 100%; mask-image: linear-gradient(to bottom, rgba(0,0,0,.35), transparent 78%); }
.hero-kicker { display: flex; align-items: center; gap: 10px; font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cobalt); box-shadow: 0 0 0 5px rgba(49,87,213,.12); }
.hero-wordmark { position: relative; z-index: 2; width: 100%; margin: auto 0 0; font-family: var(--body); font-size: clamp(5.2rem, 15.5vw, 14rem); line-height: .72; font-weight: 700; letter-spacing: -.085em; }
.hero-wordmark .word { display: block; }
.hero-wordmark .word-a { transform: translateX(-.045em); }
.hero-wordmark .word-b { text-align: right; color: var(--cobalt); padding-right: .035em; }
.js .hero-wordmark .word-a { animation: wordIn 1.15s var(--ease) .08s both; }
.js .hero-wordmark .word-b { animation: wordInRight 1.15s var(--ease) .18s both; }
.orbit { position: absolute; z-index: 3; top: 34%; left: 0; width: 100%; height: 30%; pointer-events: none; }
.orbit svg { width: 100%; height: 100%; overflow: visible; }
.orbit-path { fill: none; stroke: var(--coral); stroke-width: 2.3; vector-effect: non-scaling-stroke; }
.js .orbit-path { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 1.5s var(--ease) .5s forwards; }
.orbit-object { position: absolute; width: 14px; height: 14px; border: 3px solid var(--coral); border-radius: 50%; background: var(--porcelain); top: 46%; left: 72%; box-shadow: 0 0 0 8px rgba(239,116,87,.14); }
.js .orbit-object { animation: pulse 2.8s ease-in-out 1.8s infinite; }
.hero-bottom { position: relative; z-index: 4; display: grid; grid-template-columns: 7fr 3fr 2fr; gap: 24px; align-items: end; margin-top: 32px; }
.hero-thesis { grid-column: 1; margin: 0; font-size: clamp(1.7rem, 3.2vw, 3.25rem); font-weight: 500; line-height: 1.25; letter-spacing: -.045em; }
.hero-thesis em { font-family: var(--display); color: var(--cobalt); font-size: 1.12em; font-weight: 400; }
.hero-note { grid-column: 2; font-size: 13px; color: var(--ink-soft); }
.hero-note p { margin: 0 0 16px; }
.text-link { display: inline-flex; min-height: 44px; align-items: center; gap: 16px; color: var(--ink); font-weight: 700; border-bottom: 1px solid var(--ink); }
.hero-stamp { position: absolute; right: 24px; top: 50%; z-index: 5; transform: rotate(90deg) translateX(50%); transform-origin: right center; display: flex; align-items: center; gap: 10px; color: var(--ink-soft); font: 10px var(--mono); text-transform: uppercase; letter-spacing: .12em; }
.hero-stamp i { width: 70px; height: 1px; background: currentColor; }

.section { width: var(--page); margin: 0 auto; padding: clamp(90px, 11vw, 170px) 0; }
.section-label { display: flex; justify-content: space-between; align-items: center; padding-bottom: 14px; border-bottom: 1px solid var(--line); font: 500 11px var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.section-label span:last-child { color: var(--ink-soft); }
.studio-copy { display: grid; grid-template-columns: 7fr 5fr; gap: 48px; padding: clamp(56px, 8vw, 110px) 0 80px; }
.studio-copy h2, .approach-intro h2 { margin: 0; font-family: var(--display); font-weight: 400; font-size: clamp(3rem, 6vw, 6.5rem); line-height: .98; letter-spacing: -.045em; }
.studio-body { align-self: end; max-width: 560px; font-size: clamp(1.05rem, 1.5vw, 1.35rem); letter-spacing: -.02em; }
.studio-body p { margin: 0 0 1.35em; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principles article { min-height: 290px; padding: 32px; border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.principles article:last-child { border-right: 0; }
.principle-mark { width: 16px; height: 16px; color: var(--coral); }
.principle-mark.square { display: block; background: var(--cobalt); border-radius: 3px; transform: rotate(12deg); }
.principle-mark.line { display: block; width: 34px; height: 2px; margin-top: 7px; background: var(--ink); transform: rotate(-18deg); }
.principles h3 { margin: auto 0 12px; font-size: 1.2rem; letter-spacing: -.03em; }
.principles p { max-width: 30ch; margin: 0; color: var(--ink-soft); font-size: 14px; }

.work { width: 100%; max-width: none; padding-inline: max(24px, calc((100vw - 1440px)/2 + 24px)); color: white; background: var(--ink); }
.section-label-light { border-color: rgba(255,255,255,.2); }
.section-label-light span:last-child { color: rgba(255,255,255,.6); }
.work-heading { display: grid; grid-template-columns: 8fr 4fr; gap: 40px; align-items: end; padding: 70px 0 80px; }
.work-heading h2 { margin: 0; font-size: clamp(3.6rem, 8vw, 8.5rem); line-height: .82; letter-spacing: -.06em; }
.work-heading h2 em { color: var(--mint); font-family: var(--display); font-weight: 400; }
.work-heading p { max-width: 34ch; margin: 0 0 10px; color: rgba(255,255,255,.68); font-size: 16px; }
.product-card { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 680px; overflow: hidden; color: var(--ink); background: var(--paper); border-radius: var(--radius-lg); }
.product-visual { position: relative; min-height: 580px; overflow: hidden; background: #eadfe5; isolation: isolate; }
.product-visual::before { content: ""; position: absolute; inset: 0; z-index: -2; background: radial-gradient(circle at 26% 20%, #fff8fa 0 7%, transparent 24%), radial-gradient(circle at 68% 72%, rgba(255,255,255,.8), transparent 28%), linear-gradient(135deg, #d7d3ed, #f1d8da 52%, #dbe9e2); }
.product-visual::after { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .22; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E"); mix-blend-mode: multiply; }
.moon { position: absolute; border: 1px solid rgba(23,32,51,.2); border-radius: 50%; }
.moon-one { width: 370px; height: 370px; top: 80px; left: 50%; transform: translateX(-50%); background: rgba(255,255,255,.22); box-shadow: inset 0 0 70px rgba(255,255,255,.5); }
.moon-two { width: 180px; height: 180px; right: -30px; bottom: 40px; background: rgba(189,231,211,.28); }
.thread { position: absolute; width: 75%; height: 40%; border: 2px solid var(--coral); border-color: var(--coral) transparent transparent transparent; border-radius: 50%; }
.thread-one { left: -10%; top: 28%; transform: rotate(18deg); }
.thread-two { right: -25%; bottom: 6%; transform: rotate(-24deg); border-color: var(--cobalt) transparent transparent transparent; }
.koyori-glyph { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); writing-mode: vertical-rl; font-family: var(--display); font-size: clamp(5rem, 10vw, 9rem); line-height: 1; letter-spacing: .04em; }
.product-chip { position: absolute; left: 30px; bottom: 28px; padding: 9px 14px; border: 1px solid rgba(23,32,51,.22); border-radius: 999px; background: rgba(250,250,247,.64); backdrop-filter: blur(10px); font: 11px var(--mono); }
.product-info { padding: clamp(34px, 5vw, 72px); display: flex; flex-direction: column; justify-content: space-between; }
.product-meta { display: flex; justify-content: space-between; align-items: center; font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.product-status { display: flex; align-items: center; gap: 8px; }
.product-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 4px rgba(239,116,87,.14); }
.product-jp { margin: 48px 0 -10px; color: var(--cobalt); font-family: var(--display); font-size: 1.45rem; }
.product-info h3 { margin: 0; font-size: clamp(4rem, 7vw, 7.5rem); line-height: .95; letter-spacing: -.065em; }
.product-description { max-width: 44ch; margin: 34px 0 0; color: var(--ink-soft); font-size: 16px; }
.product-footer { display: flex; justify-content: space-between; align-items: flex-end; margin-top: 50px; }
.product-footer ul { display: flex; flex-wrap: wrap; gap: 8px; max-width: 320px; margin: 0; padding: 0; list-style: none; }
.product-footer li { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; font: 10px var(--mono); }
.round-link { width: 116px; height: 116px; padding: 19px; display: flex; flex-direction: column; justify-content: space-between; flex: 0 0 auto; color: white; background: var(--cobalt); border-radius: 50%; font: 500 11px/1.25 var(--mono); transition: transform .35s var(--ease), background .2s; }
.round-link:hover { transform: rotate(-7deg) scale(1.05); background: var(--cobalt-dark); }
.round-arrow { align-self: flex-end; font-size: 22px; }
.release-note { max-width: 720px; margin: 24px 0 0 auto; color: rgba(255,255,255,.55); font-size: 12px; text-align: right; }

.approach-intro { display: grid; grid-template-columns: 8fr 4fr; gap: 40px; align-items: end; padding: 72px 0 100px; }
.approach-intro p { max-width: 34ch; margin: 0; color: var(--ink-soft); font-size: 17px; }
.process-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.process-list li { display: grid; grid-template-columns: 1fr 5fr 2fr; gap: 24px; align-items: start; padding: 38px 8px; border-bottom: 1px solid var(--line); transition: padding .3s var(--ease), background .3s; }
.process-list li:hover { padding-inline: 24px; background: var(--paper); }
.process-number { padding-top: 8px; color: var(--cobalt); font: 12px var(--mono); }
.process-list h3 { margin: 0 0 8px; font-size: clamp(2rem, 3.8vw, 4rem); line-height: 1; letter-spacing: -.05em; }
.process-list p { max-width: 50ch; margin: 0; color: var(--ink-soft); }
.process-ko { justify-self: end; padding-top: 8px; font-family: var(--display); font-size: 1.2rem; }

.contact { position: relative; width: 100%; max-width: none; overflow: hidden; padding-inline: max(24px, calc((100vw - 1440px)/2 + 24px)); color: white; background: var(--cobalt); display: grid; grid-template-columns: 8fr 4fr; gap: 60px; align-items: end; }
.contact::before { content: ""; position: absolute; right: -8vw; top: -22vw; width: 58vw; height: 58vw; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; }
.contact-orbit { position: absolute; right: 10vw; top: 12%; width: 18px; height: 18px; border: 3px solid var(--mint); border-radius: 50%; box-shadow: 0 0 0 9px rgba(189,231,211,.14); }
.contact-copy, .contact-meta { position: relative; z-index: 1; }
.contact-eyebrow { font: 11px var(--mono); text-transform: uppercase; letter-spacing: .09em; }
.contact h2 { margin: 30px 0; font-size: clamp(4.8rem, 10vw, 11rem); line-height: .76; letter-spacing: -.075em; }
.contact h2 em { color: var(--mint); font-family: var(--display); font-weight: 400; }
.contact-copy > p:not(.contact-eyebrow) { color: rgba(255,255,255,.72); }
.email-link { width: min(100%, 700px); min-height: 68px; margin-top: 42px; padding: 0 22px; display: flex; align-items: center; justify-content: space-between; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; font-size: clamp(.85rem, 2vw, 1.15rem); transition: color .2s, background .2s; }
.email-link:hover { color: var(--cobalt); background: white; }
.contact-meta { padding-bottom: 8px; }
.contact-meta dl { margin: 0; }
.contact-meta dl div { display: grid; grid-template-columns: 90px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.contact-meta dt { font: 11px var(--mono); color: rgba(255,255,255,.58); }
.contact-meta dd { margin: 0; font-size: 13px; }
.contact-meta > p { margin: 28px 0 0; color: rgba(255,255,255,.62); font-size: 12px; }

.site-footer { padding: 30px max(24px, calc((100vw - 1440px)/2 + 24px)); display: flex; align-items: center; justify-content: space-between; gap: 24px; color: rgba(255,255,255,.68); background: var(--ink); font: 10px var(--mono); }
.footer-brand { color: white; font-family: var(--body); font-size: 13px; }
.site-footer > a:last-child { min-height: 44px; display: inline-flex; align-items: center; gap: 12px; }

.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

@keyframes wordIn { from { opacity: 0; transform: translate(-.045em, 50px); } }
@keyframes wordInRight { from { opacity: 0; transform: translate(50px, 50px); } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes pulse { 50% { transform: scale(1.35); box-shadow: 0 0 0 15px rgba(239,116,87,0); } }

@media (max-width: 900px) {
  :root { --page: min(100% - 32px, 720px); --radius-lg: 26px; }
  .menu-toggle { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; }
  .menu-icon { width: 18px; height: 14px; display: flex; flex-direction: column; justify-content: center; gap: 5px; }
  .menu-icon i { width: 100%; height: 1px; background: currentColor; transition: transform .25s; }
  .menu-toggle[aria-expanded="true"] .menu-icon i:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-icon i:last-child { transform: translateY(-3px) rotate(-45deg); }
  .js .site-nav { position: absolute; top: calc(100% + 1px); left: 0; width: 100%; padding: 18px 16px 26px; display: grid; background: rgba(242,243,240,.97); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .25s, transform .25s, visibility .25s; }
  .js .site-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .site-nav a { font-size: 13px; }
  .site-nav .nav-contact { margin: 8px 0 0; justify-content: space-between; }
  .no-js .menu-toggle { display: none; }
  .no-js .site-nav { flex-wrap: wrap; justify-content: flex-end; }
  .hero { min-height: 800px; padding-top: 120px; }
  .hero-wordmark { font-size: clamp(4.1rem, 19vw, 9rem); line-height: .8; margin-top: auto; }
  .orbit { top: 37%; height: 24%; }
  .orbit-object { left: 68%; }
  .hero-bottom { grid-template-columns: 1fr; gap: 28px; }
  .hero-thesis, .hero-note { grid-column: 1; }
  .hero-stamp { display: none; }
  .studio-copy, .work-heading, .approach-intro, .contact { grid-template-columns: 1fr; }
  .studio-copy { gap: 44px; }
  .principles { grid-template-columns: 1fr; }
  .principles article { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--line); }
  .principles article:last-child { border-bottom: 0; }
  .product-card { grid-template-columns: 1fr; }
  .product-visual { min-height: 480px; }
  .work-heading p, .approach-intro p { max-width: 44ch; }
  .process-list li { grid-template-columns: 50px 1fr; }
  .process-ko { display: none; }
  .contact { gap: 80px; }
  .contact::before { width: 90vw; height: 90vw; top: -18vw; right: -35vw; }
}

@media (max-width: 560px) {
  .hero { min-height: 720px; padding-inline: 16px; padding-bottom: 30px; }
  .hero-grid { background-size: 25% 100%; }
  .hero-kicker { font-size: 9px; }
  .hero-wordmark { font-size: clamp(3.4rem, 18vw, 6rem); line-height: .84; }
  .hero-thesis { font-size: 1.6rem; }
  .hero-note { font-size: 12px; }
  .section { padding-block: 84px; }
  .section-label { font-size: 9px; }
  .studio-copy h2, .approach-intro h2 { font-size: 3rem; }
  .studio-body { font-size: 1rem; }
  .principles article { padding: 25px; }
  .work { padding-inline: 16px; }
  .work-heading { padding: 54px 0 60px; }
  .work-heading h2 { font-size: 3.65rem; }
  .product-visual { min-height: 390px; }
  .moon-one { width: 270px; height: 270px; top: 54px; }
  .koyori-glyph { font-size: 5rem; }
  .product-info { min-height: 620px; padding: 28px 24px; }
  .product-meta { gap: 16px; align-items: flex-start; }
  .product-info h3 { font-size: 4.5rem; }
  .product-footer { align-items: flex-end; }
  .round-link { width: 96px; height: 96px; padding: 15px; }
  .release-note { text-align: left; }
  .process-list li { padding-block: 30px; }
  .process-list li:hover { padding-inline: 8px; }
  .process-list h3 { font-size: 2.4rem; }
  .process-list p { font-size: 14px; }
  .contact { padding-inline: 16px; }
  .contact h2 { font-size: 5rem; }
  .contact-meta dl div { grid-template-columns: 76px 1fr; }
  .site-footer { flex-wrap: wrap; padding-inline: 16px; }
  .site-footer p { order: 3; width: 100%; }
}

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

@media (forced-colors: active) {
  * { forced-color-adjust: auto; }
  .status-dot, .product-status i, .principle-mark.square { border: 1px solid CanvasText; }
}