:root {
  --ink: #0e0d0b;
  --ink-2: #1c1915;
  --paper: #e8dcc8;
  --paper-2: #d4c4a8;
  --mute: #8a8175;
  --ember: #c45c26;
  --line: rgba(232, 220, 200, 0.16);
  --serif-en: "Cormorant Garamond", "Noto Serif SC", serif;
  --serif-cn: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Outfit", "PingFang SC", "Hiragino Sans GB", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  letter-spacing: 0.01em;
  cursor: none;
}

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

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

h1,
h2,
h3 {
  font-family: var(--serif-cn);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: 0.02em;
}

::selection {
  background: var(--ember);
  color: var(--paper);
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 40;
  opacity: 0.09;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.cursor {
  position: fixed;
  width: 14px;
  height: 14px;
  border: 1px solid var(--paper);
  border-radius: 50%;
  pointer-events: none;
  z-index: 50;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
  mix-blend-mode: difference;
}

.cursor.on-link {
  width: 44px;
  height: 44px;
  background: rgba(232, 220, 200, 0.12);
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 22px 36px;
  mix-blend-mode: difference;
}

.nav-mark {
  font-family: var(--serif-cn);
  font-size: 28px;
  line-height: 1;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav-meta {
  display: flex;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  padding: 120px 48px 48px;
  gap: 40px;
  position: relative;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 48px;
}

.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 28px;
}

.hero-cn {
  display: block;
  font-size: clamp(72px, 12vw, 168px);
  letter-spacing: 0.08em;
  line-height: 0.9;
}

.hero-en {
  display: block;
  margin-top: 12px;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 400;
  color: var(--paper-2);
  letter-spacing: 0.04em;
}

.lede {
  max-width: 420px;
  margin: 28px 0 36px;
  font-size: 17px;
  color: var(--paper-2);
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

.btn,
.btn-ghost,
button.btn {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 14px 22px;
  border: 1px solid var(--paper);
  background: var(--paper);
  color: var(--ink);
  cursor: none;
}

.btn-ghost {
  background: transparent;
  color: var(--paper);
}

.btn:hover,
button.btn:hover {
  background: var(--ember);
  border-color: var(--ember);
  color: var(--paper);
}

.hero-frame {
  margin: 0;
  position: relative;
  height: calc(100vh - 168px);
  overflow: hidden;
}

.hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.7) contrast(1.08);
  transform: scale(1.04);
}

.hero-frame figcaption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  display: flex;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  mix-blend-mode: difference;
}

.hero-rail {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  transform-origin: right center;
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mute);
  white-space: nowrap;
}

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 48px;
  animation: drift 28s linear infinite;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 22px;
  letter-spacing: 0.12em;
  color: var(--paper-2);
}

@keyframes drift {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.sec-index {
  display: flex;
  gap: 16px;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 40px;
}

.about,
.work,
.contact {
  padding: 96px 48px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.about h2,
.work-head h2,
.notes h2,
.contact h2 {
  font-size: clamp(32px, 5vw, 56px);
  margin: 0 0 20px;
}

.about-en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 22px;
  color: var(--paper-2);
  max-width: 420px;
}

.about-body p {
  margin: 0 0 18px;
  color: var(--paper-2);
  font-size: 16px;
}

.facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 32px;
  margin: 36px 0 0;
}

.facts dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
}

.facts dd {
  margin: 6px 0 0;
  font-family: var(--serif-cn);
  font-size: 20px;
}

.work-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 48px;
  gap: 24px;
}

.work-head p {
  color: var(--mute);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  margin: 0 0 8px;
}

.case {
  display: grid;
  gap: 28px;
  margin-bottom: 56px;
}

.case-lg {
  grid-template-columns: 1.4fr 0.8fr;
  align-items: end;
}

.case-split {
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
}

.case-media {
  display: block;
  overflow: hidden;
  background: var(--ink-2);
}

.case-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.05);
  transition: transform 0.8s ease, filter 0.8s ease;
}

.case-card .case-media img {
  height: 260px;
}

.case-media:hover img {
  transform: scale(1.06);
  filter: saturate(1) contrast(1.08);
}

.case-no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ember);
}

.case h3 {
  font-size: 32px;
  margin: 8px 0 12px;
}

.case p {
  color: var(--paper-2);
  margin: 0 0 16px;
}

.case ul {
  list-style: none;
  display: flex;
  gap: 18px;
  padding: 0;
  margin: 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 32px;
}

.case-card {
  margin: 0;
}

.notes {
  background: var(--paper);
  color: var(--ink);
  padding: 96px 48px 110px;
}

.sec-index.light {
  color: #6d6458;
}

.notes-wrap {
  max-width: 920px;
}

.notes h2 {
  margin-bottom: 40px;
}

.note-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.note-list li {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid rgba(14, 13, 11, 0.16);
}

.note-list time {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #6d6458;
  padding-top: 8px;
}

.note-list h3 {
  margin: 0 0 8px;
  font-size: 26px;
}

.note-list p {
  margin: 0;
  color: #3d3830;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
}

address {
  font-style: normal;
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

address a {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 28px;
  border-bottom: 1px solid var(--ember);
  width: fit-content;
}

.letter {
  display: grid;
  gap: 18px;
}

.letter label {
  display: grid;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.letter input,
.letter textarea {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  font-family: var(--serif-cn);
  font-size: 18px;
  padding: 10px 0 12px;
  outline: none;
  resize: none;
  cursor: none;
}

.letter input:focus,
.letter textarea:focus {
  border-bottom-color: var(--ember);
}

.form-note {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ember);
  margin: 0;
}

.foot {
  display: flex;
  justify-content: space-between;
  padding: 28px 48px 40px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s ease forwards;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@media (hover: none) {
  body,
  .btn,
  .letter input,
  .letter textarea {
    cursor: auto;
  }
  .cursor {
    display: none;
  }
}

@media (max-width: 900px) {
  .nav {
    padding: 16px 20px;
    grid-template-columns: auto auto;
  }
  .nav-links {
    display: none;
  }
  .hero,
  .about,
  .work,
  .notes,
  .contact,
  .foot {
    padding-left: 20px;
    padding-right: 20px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 96px;
    min-height: auto;
  }
  .hero-frame {
    height: 56vh;
    order: -1;
  }
  .hero-rail {
    display: none;
  }
  .about-grid,
  .case-lg,
  .case-split,
  .case-grid,
  .contact-grid,
  .note-list li {
    grid-template-columns: 1fr;
  }
  .work-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .case-media img,
  .case-card .case-media img {
    height: 240px;
  }
  .hero-cn {
    font-size: 72px;
  }
}