:root {
  --night: #0b0b09;
  --night-2: #131311;
  --ink: #1c1c17;
  --ink-soft: #3e3e36;
  --paper: #f1eee6;
  --paper-2: #e6e0d2;
  --moon: #efe8d4;
  --moon-dim: #b7ae98;
  --line: rgba(28, 28, 23, 0.12);
  --line-light: rgba(239, 232, 212, 0.14);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
  --font-en: "Outfit", "Helvetica Neue", sans-serif;
  --font-display-en: "Cormorant Garamond", "Noto Serif SC", serif;
  --pad: clamp(1.25rem, 4vw, 4.5rem);
  --nav-h: 4.5rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--night);
  overflow-x: hidden;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  background: var(--night);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

h1,
h2,
h3,
p,
dl,
dt,
dd,
figure,
ul {
  margin: 0;
}

::selection {
  background: var(--ink-soft);
  color: var(--moon);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 80;
  padding: 0.6rem 1rem;
  background: var(--paper);
  color: var(--ink);
}

.skip:focus {
  top: 1rem;
}

.wrap {
  width: min(1180px, calc(100% - var(--pad) * 2));
  margin-inline: auto;
}

.brand-logo {
  display: block;
  object-fit: contain;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 70;
  pointer-events: none;
  opacity: 0.055;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.cursor {
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  .cursor {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 90;
    width: 0;
    height: 0;
    pointer-events: none;
    transform: translate(-100px, -100px);
  }

  .cursor-ring {
    position: absolute;
    width: 14px;
    height: 14px;
    border: 1px solid rgba(239, 232, 212, 0.7);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.35s var(--ease), height 0.35s var(--ease), background 0.35s var(--ease);
  }

  body.is-hover .cursor-ring {
    width: 42px;
    height: 42px;
    background: rgba(239, 232, 212, 0.08);
  }
}

.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: var(--night);
  color: var(--moon);
  transition: opacity 0.8s var(--ease), visibility 0.8s var(--ease);
}

.loader.is-done {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  display: grid;
  justify-items: center;
  gap: 1rem;
}

.loader .brand-logo {
  width: 7.5rem;
  height: auto;
  filter: invert(1);
  animation: rise 1.1s var(--ease) both;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
  color: var(--moon);
  background: transparent;
  transition: background 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease);
}

.nav.is-solid,
body.is-menu .nav {
  background: rgba(241, 238, 230, 0.92);
  color: var(--ink);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.18em;
}

.nav-brand .brand-logo {
  width: 1.85rem;
  height: 1.85rem;
  object-fit: cover;
  object-position: center 28%;
}

.nav:not(.is-solid) .nav-brand .brand-logo {
  filter: invert(1);
}

body.is-menu .nav .nav-brand .brand-logo {
  filter: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links a {
  font-family: var(--font-en);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
  transform: scaleX(1);
}

.nav-cta {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  border: 1px solid currentColor;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  transition: background 0.35s var(--ease), color 0.35s var(--ease);
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  background: var(--moon);
  color: var(--night);
}

.nav.is-solid .nav-cta:hover {
  background: var(--ink);
  color: var(--paper);
}

.nav-toggle {
  display: none;
  width: 2.2rem;
  height: 2.2rem;
  position: relative;
}

.nav-toggle span {
  position: absolute;
  left: 0.35rem;
  right: 0.35rem;
  height: 1px;
  background: currentColor;
  transition: transform 0.35s var(--ease), top 0.35s var(--ease);
}

.nav-toggle span:first-of-type {
  top: 0.85rem;
}

.nav-toggle span:last-of-type {
  top: 1.25rem;
}

.nav-toggle.is-open span:first-of-type {
  top: 1.05rem;
  transform: rotate(40deg);
}

.nav-toggle.is-open span:last-of-type {
  top: 1.05rem;
  transform: rotate(-40deg);
}

.menu {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: var(--paper);
  color: var(--ink);
  display: grid;
  place-items: center;
  padding: var(--pad);
}

.menu[hidden] {
  display: none;
}

.menu nav {
  display: grid;
  gap: 1.4rem;
}

.menu a {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 8vw, 3.4rem);
  font-weight: 300;
}

.hero {
  position: relative;
  min-height: 100svh;
  color: var(--moon);
  overflow: hidden;
  display: grid;
  align-content: end;
  padding: calc(var(--nav-h) + 2rem) var(--pad) 2.4rem;
}

.hero-moon {
  position: absolute;
  right: -6vw;
  top: -10vh;
  width: min(52vw, 640px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 36% 34%, rgba(245, 239, 224, 0.34), rgba(245, 239, 224, 0.08) 38%, transparent 70%);
  box-shadow: 0 0 140px 30px rgba(239, 232, 212, 0.08);
  animation: drift 28s ease-in-out infinite;
}

.hero-glyph {
  position: absolute;
  left: 6vw;
  top: 18vh;
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: min(42vw, 28rem);
  line-height: 0.8;
  color: rgba(239, 232, 212, 0.045);
  pointer-events: none;
  user-select: none;
}

.hero-copy {
  position: relative;
  max-width: min(46rem, 100%);
}

.kicker {
  font-family: var(--font-en);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--moon-dim);
  margin-bottom: 1.4rem;
  white-space: nowrap;
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(3.1rem, 7.2vw, 6.6rem);
  line-height: 1;
  letter-spacing: 0.18em;
  white-space: nowrap;
}

.hero-lede {
  margin-top: 1.35rem;
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  color: var(--moon-dim);
}

.hero-en {
  margin-top: 0.45rem;
  font-family: var(--font-display-en);
  font-style: italic;
  font-size: 1.15rem;
  color: rgba(239, 232, 212, 0.55);
}

.hero-meta {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, max-content);
  gap: 2.4rem;
  margin-top: 12vh;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-light);
  width: min(100%, 720px);
}

.hero-meta span {
  display: block;
  font-family: var(--font-en);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moon-dim);
}

.hero-meta strong {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.05rem;
}

.hero-scroll {
  position: absolute;
  right: var(--pad);
  bottom: 2.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-en);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--moon-dim);
}

.hero-scroll i {
  width: 1px;
  height: 3.2rem;
  background: linear-gradient(to bottom, var(--moon-dim), transparent);
  animation: drop 1.8s var(--ease) infinite;
}

.section {
  padding: clamp(5.5rem, 14vh, 9.5rem) 0;
  scroll-margin-top: var(--nav-h);
}

.section.paper {
  background: var(--paper);
  color: var(--ink);
}

.section.ink {
  background: var(--night-2);
  color: var(--moon);
}

.section-index {
  font-family: var(--font-en);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--moon-dim);
  margin-bottom: 1rem;
}

.paper .section-index {
  color: #8a8373;
}

.section-head h2 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.2rem, 5.4vw, 4.4rem);
  line-height: 1.15;
  letter-spacing: 0.06em;
}

.section-desc {
  max-width: 42rem;
  margin-top: 1.2rem;
  color: #6f6a5e;
  font-size: 0.98rem;
}

.ink .section-desc {
  color: var(--moon-dim);
}

.origin-grid {
  display: grid;
  grid-template-columns: auto 1fr min(280px, 28vw);
  gap: 4rem;
  align-items: start;
  margin-top: 4.5rem;
}

.origin-vert {
  writing-mode: vertical-rl;
  font-family: var(--font-serif);
  font-weight: 300;
  letter-spacing: 0.5em;
  font-size: 1.15rem;
  color: #9a9384;
  padding-top: 0.4rem;
}

.origin-lead {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 1.7;
  font-weight: 400;
  max-width: 18em;
}

.origin-note {
  margin-top: 2rem;
  max-width: 36em;
  color: #5d584e;
  font-size: 1.02rem;
}

.origin-mark {
  position: sticky;
  top: 7rem;
}

.origin-mark img {
  width: 100%;
  mix-blend-mode: multiply;
}

.work-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-light);
  margin-top: 4rem;
  border: 1px solid var(--line-light);
}

.work-card {
  background: var(--night-2);
  padding: 2.4rem 2rem 2.2rem;
  min-height: 240px;
  transition: background 0.4s var(--ease);
}

.work-card:hover {
  background: #181815;
}

.work-no {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--moon-dim);
}

.work-card h3 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 2rem;
  margin: 1.4rem 0 0.8rem;
  letter-spacing: 0.08em;
}

.work-card p {
  color: var(--moon-dim);
  max-width: 28em;
}

.facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 3.4rem;
  border-top: 1px solid var(--line);
}

.fact {
  display: grid;
  grid-template-columns: minmax(7rem, 12rem) minmax(0, 1fr);
  gap: 1.4rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.fact-wide {
  grid-column: 1 / -1;
}

.fact dt {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8a8373;
}

.fact dd {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
}

.founder-grid {
  display: grid;
  grid-template-columns: minmax(240px, 360px) 1fr;
  gap: 5vw;
  align-items: center;
}

.founder-card {
  overflow: hidden;
  border-radius: 1.4rem;
  background: #fff;
  box-shadow: 0 30px 80px rgba(28, 28, 23, 0.08);
}

.founder-card img {
  width: 100%;
}

.founder-copy h2 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  letter-spacing: 0.04em;
}

.founder-en {
  font-family: var(--font-display-en);
  font-style: italic;
  font-size: 1.5rem;
  color: #6f6a5e;
  margin-top: 0.3rem;
}

.founder-role {
  margin-top: 1.2rem;
  font-family: var(--font-en);
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  text-transform: uppercase;
  color: #8a8373;
}

.founder-text {
  margin-top: 1.8rem;
  max-width: 28em;
  color: #5d584e;
}

.founder-text a {
  border-bottom: 1px solid currentColor;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.2rem;
  margin-top: 3.5rem;
  align-items: start;
}

.contact-list {
  list-style: none;
  padding: 0;
}

.contact-list li {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line-light);
}

.contact-list span {
  display: block;
  font-family: var(--font-en);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.68rem;
  color: var(--moon-dim);
  margin-bottom: 0.35rem;
}

.contact-list a,
.contact-list p {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  overflow-wrap: anywhere;
}

.contact-list a {
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.contact-list a:hover {
  border-bottom-color: currentColor;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 220px));
  gap: 1rem;
}

.qr-card {
  padding: 1rem 1rem 1.1rem;
  background: #181815;
  border: 1px solid var(--line-light);
  transition: transform 0.5s var(--ease), background 0.5s var(--ease);
}

.qr-card:hover {
  transform: translateY(-6px);
  background: #1f1f1a;
}

.qr-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: #fff;
}

.qr-card figcaption {
  margin-top: 0.85rem;
  text-align: center;
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--moon-dim);
}

.footer {
  background: var(--night);
  color: var(--moon-dim);
  padding: 3.5rem 0 2.5rem;
  border-top: 1px solid var(--line-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem 3rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.footer-brand .brand-logo {
  width: 2.4rem;
  height: 2.4rem;
  object-fit: cover;
  object-position: center 28%;
  filter: invert(1);
}

.footer-brand p {
  font-family: var(--font-serif);
  color: var(--moon);
  letter-spacing: 0.2em;
}

.footer-meta p {
  font-size: 0.85rem;
}

.footer-note {
  grid-column: 1 / -1;
  font-size: 0.8rem;
  max-width: 48em;
  color: #7d7768;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  animation: none;
}

.reveal.is-in,
body.is-ready .hero .reveal {
  animation: rise 1.05s var(--ease) both;
}

.reveal[data-delay="1"] { animation-delay: 0.08s; }
.reveal[data-delay="2"] { animation-delay: 0.16s; }
.reveal[data-delay="3"] { animation-delay: 0.24s; }
.reveal[data-delay="4"] { animation-delay: 0.32s; }
.reveal[data-delay="5"] { animation-delay: 0.4s; }
.reveal[data-delay="6"] { animation-delay: 0.48s; }

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes drift {
  0%,
  100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-3%, 4%, 0) scale(1.04); }
}

@keyframes drop {
  0% { transform: scaleY(0.2); transform-origin: top; opacity: 0; }
  30% { opacity: 1; }
  100% { transform: scaleY(1); transform-origin: top; opacity: 0; }
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .origin-grid,
  .founder-grid,
  .contact-layout,
  .facts,
  .work-grid {
    grid-template-columns: 1fr;
  }

  .origin-vert {
    writing-mode: horizontal-tb;
    letter-spacing: 0.4em;
  }

  .origin-mark {
    position: static;
    max-width: 220px;
  }

  .qr-grid {
    grid-template-columns: 1fr;
    max-width: 280px;
  }

  .hero-meta {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .hero-scroll {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-title,
  .kicker {
    white-space: normal;
    letter-spacing: 0.08em;
  }

  .qr-grid {
    grid-template-columns: 1fr;
    max-width: 240px;
  }

  .work-card,
  .fact {
    grid-template-columns: 1fr;
  }

  .fact dt {
    margin-bottom: -0.4rem;
  }
}

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

  .reveal,
  .hero .reveal,
  .loader .brand-logo,
  .hero-moon,
  .hero-scroll i {
    animation: none !important;
    opacity: 1;
    transform: none;
    filter: none;
  }
}