:root {
  --bg: #f2efe8;
  --paper: #fbf8f1;
  --ink: #161513;
  --soft-ink: #2b2924;
  --muted: #777066;
  --line: rgba(22, 21, 19, 0.16);
  --line-dark: rgba(251, 248, 241, 0.18);
  --accent: #9b6a3f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Arial, "Helvetica Neue", "Noto Sans JP", sans-serif;
  letter-spacing: 0;
}

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

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

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px 34px;
  color: var(--paper);
  mix-blend-mode: difference;
}

.brand {
  display: grid;
  gap: 1px;
  font-weight: 800;
}

.brand span {
  font-size: 24px;
  line-height: 1;
}

.brand small,
.site-header nav a,
.eyebrow,
.project-copy span,
.service-grid span,
.process-grid span,
.footer {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-header nav {
  display: flex;
  gap: 30px;
}

.hero {
  position: relative;
  min-height: 100svh;
  color: var(--paper);
  background: var(--ink);
  overflow: hidden;
}

.hero-bg,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.3) 48%, rgba(0, 0, 0, 0.16)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.48), transparent 44%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  grid-template-rows: auto 1fr auto;
  gap: 36px 7vw;
  padding: 118px 34px 38px;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
}

.hero .eyebrow {
  color: rgba(251, 248, 241, 0.72);
}

.hero h1 {
  grid-column: 1 / 2;
  align-self: end;
  max-width: 980px;
  margin: 0 0 4vh;
  font-size: clamp(56px, 8.8vw, 150px);
  line-height: 0.92;
  font-weight: 430;
  letter-spacing: -0.055em;
}

.hero-bottom {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 600px) auto;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--line-dark);
}

.hero-bottom p,
.intro h2,
.project-copy p,
.service-grid p,
.studio-copy p,
.process-grid p {
  margin: 0;
  line-height: 1.85;
}

.hero-bottom p {
  color: rgba(251, 248, 241, 0.76);
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.arrow-link::after {
  content: "";
  width: 38px;
  height: 1px;
  background: currentColor;
}

.intro,
.work,
.services,
.studio,
.process,
.contact {
  padding: 118px 34px;
  border-top: 1px solid var(--line);
}

.intro {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: 7vw;
}

.intro h2 {
  max-width: 1160px;
  font-size: clamp(32px, 4.8vw, 82px);
  line-height: 1.08;
  font-weight: 420;
  letter-spacing: -0.045em;
}

.section-head,
.studio,
.contact {
  display: grid;
  grid-template-columns: minmax(220px, 0.52fr) minmax(0, 1.48fr);
  gap: 7vw;
  align-items: end;
}

.section-head {
  margin-bottom: 46px;
}

.section-head h2,
.studio h2,
.contact h2 {
  margin: 0;
  font-size: clamp(34px, 5.2vw, 88px);
  line-height: 0.98;
  font-weight: 430;
  letter-spacing: -0.052em;
}

.project-stack {
  display: grid;
  gap: 16px;
}

.project {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  min-height: 74vh;
  background: var(--soft-ink);
  color: var(--paper);
}

.project.feature {
  min-height: 84vh;
}

.project.reverse {
  grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.2fr);
}

.project.reverse img {
  order: 2;
}

.project img {
  width: 100%;
  height: 100%;
  min-height: 540px;
  object-fit: cover;
}

.project-copy {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  justify-content: flex-end;
  padding: 38px;
  border-left: 1px solid var(--line-dark);
}

.project.reverse .project-copy {
  border-right: 1px solid var(--line-dark);
  border-left: 0;
}

.project-copy span {
  color: rgba(251, 248, 241, 0.58);
}

.project-copy h3 {
  margin: 42px 0 22px;
  font-size: clamp(36px, 5vw, 76px);
  line-height: 0.98;
  font-weight: 430;
  letter-spacing: -0.052em;
}

.project-copy p {
  max-width: 520px;
  color: rgba(251, 248, 241, 0.72);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.service-grid article {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.service-grid span {
  color: var(--accent);
}

.service-grid h3 {
  margin: auto 0 18px;
  font-size: clamp(30px, 3vw, 44px);
  line-height: 1;
  font-weight: 430;
  letter-spacing: -0.04em;
}

.service-grid p,
.studio-copy p,
.process-grid p {
  color: var(--muted);
}

.service-grid strong {
  margin-top: 34px;
  font-size: 22px;
}

.studio-copy {
  align-self: end;
}

.studio-copy ul {
  display: grid;
  gap: 0;
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.studio-copy li {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

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

.process .eyebrow {
  color: rgba(251, 248, 241, 0.54);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 42px;
  background: var(--line-dark);
}

.process-grid article {
  min-height: 300px;
  padding: 28px;
  background: var(--ink);
}

.process-grid span {
  color: var(--accent);
}

.process-grid h3 {
  margin: 120px 0 16px;
  font-size: 36px;
  line-height: 1;
  font-weight: 430;
}

.process-grid p {
  color: rgba(251, 248, 241, 0.68);
}

.contact-form {
  display: grid;
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 10px;
}

.contact-form span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  padding: 16px 0;
  background: transparent;
  color: var(--ink);
  outline: 0;
  resize: vertical;
}

.contact-form button {
  justify-self: start;
  margin-top: 20px;
  border: 1px solid var(--ink);
  padding: 16px 28px;
  color: var(--bg);
  background: var(--ink);
  cursor: pointer;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 900px) {
  .site-header {
    padding: 20px;
  }

  .site-header nav {
    display: none;
  }

  .hero-grid,
  .intro,
  .section-head,
  .project,
  .project.reverse,
  .service-grid,
  .studio,
  .process-grid,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    padding: 104px 20px 26px;
  }

  .hero h1 {
    font-size: clamp(52px, 16vw, 76px);
    line-height: 0.96;
    margin-bottom: 22vh;
  }

  .hero-bottom {
    grid-template-columns: 1fr;
  }

  .intro,
  .work,
  .services,
  .studio,
  .process,
  .contact {
    padding: 82px 20px;
  }

  .section-head {
    gap: 26px;
  }

  .project,
  .project.feature {
    min-height: auto;
  }

  .project.reverse img {
    order: 0;
  }

  .project img {
    min-height: 360px;
  }

  .project-copy,
  .project.reverse .project-copy {
    min-height: 320px;
    padding: 26px;
    border: 0;
    border-top: 1px solid var(--line-dark);
  }

  .service-grid article,
  .process-grid article {
    min-height: 260px;
  }

  .process-grid h3 {
    margin-top: 86px;
  }

  .footer {
    display: grid;
    padding: 26px 20px;
  }
}

@media (max-width: 520px) {
  .brand span {
    font-size: 21px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(0, 0, 0, 0.76), rgba(0, 0, 0, 0.36)),
      linear-gradient(0deg, rgba(0, 0, 0, 0.58), transparent 50%);
  }

  .intro h2,
  .section-head h2,
  .studio h2,
  .contact h2 {
    letter-spacing: -0.04em;
  }
}