:root {
  --bg: #000000;
  --surface: #0a0a0a;
  --surface-2: #111111;
  --surface-3: #171717;
  --text: #ffffff;
  --muted: #a6a6a6;
  --muted-2: #737373;
  --line: rgba(255, 255, 255, 0.14);
  --gold: #c8a96a;
  --gold-soft: rgba(200, 169, 106, 0.16);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Noto Sans JP", "Hiragino Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

body::selection {
  color: #000000;
  background: var(--gold);
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 34px;
  align-items: center;
  min-height: 76px;
  padding: 0 clamp(20px, 4vw, 58px);
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.16), rgba(0, 0, 0, 0));
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.brand strong {
  color: var(--gold);
  font-weight: 600;
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 2.2vw, 32px);
  color: var(--muted);
  font-size: 13px;
}

.nav a,
.header-cta {
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.nav a:hover {
  color: var(--text);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 13px;
}

.header-cta:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 152px clamp(20px, 6vw, 84px) 78px;
  isolation: isolate;
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  transform: scale(1.03);
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.96) 0%, rgba(0, 0, 0, 0.8) 34%, rgba(0, 0, 0, 0.28) 72%, rgba(0, 0, 0, 0.14) 100%),
    linear-gradient(to top, #000000 0%, rgba(0, 0, 0, 0) 36%),
    radial-gradient(circle at 72% 30%, rgba(200, 169, 106, 0.2), transparent 32%);
}

.hero-copy {
  width: min(1020px, 100%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 1120px;
  margin-bottom: 28px;
  font-size: clamp(52px, 8.8vw, 128px);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 5vw, 72px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(21px, 2vw, 30px);
  line-height: 1.32;
  letter-spacing: 0;
}

p {
  color: var(--muted);
}

.hero-lead {
  max-width: 720px;
  margin-bottom: 0;
  color: #d2d2d2;
  font-size: clamp(17px, 1.55vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 22px;
  border: 1px solid var(--line);
  border-radius: 0;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 180ms ease, color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #000000;
  background: var(--text);
  border-color: var(--text);
}

.button.primary:hover {
  background: var(--gold);
  border-color: var(--gold);
}

.button.ghost {
  color: var(--text);
}

.button.ghost:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.hero-meta {
  position: absolute;
  right: clamp(20px, 4vw, 58px);
  bottom: 34px;
  display: flex;
  gap: 20px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

section {
  padding: 116px clamp(20px, 6vw, 84px);
}

.statement,
.works,
.services,
.difference,
.process,
.pricing,
.faq,
.contact {
  max-width: calc(var(--max) + 168px);
  margin: 0 auto;
}

.statement {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 44px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(200, 169, 106, 0.09), transparent 34%),
    var(--bg);
}

.section-index {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.statement-copy {
  max-width: 900px;
}

.statement-copy p:not(.section-kicker) {
  max-width: 760px;
  margin-top: 28px;
  font-size: 18px;
}

.section-heading {
  max-width: var(--max);
  margin: 0 auto 44px;
}

.section-heading.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.55fr);
  gap: 56px;
  align-items: end;
}

.section-heading.split > p {
  margin-bottom: 8px;
}

.work-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 16px;
}

.work-item {
  position: relative;
  min-height: 322px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.work-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(0, 0, 0, 0.94), rgba(0, 0, 0, 0.16) 58%, rgba(0, 0, 0, 0)),
    linear-gradient(90deg, rgba(0, 0, 0, 0.3), transparent);
}

.work-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 900ms ease;
}

.work-item:hover img {
  transform: scale(1.06);
}

.work-item > div {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 32px;
}

.work-large {
  grid-row: span 2;
  min-height: 660px;
}

.work-item span,
.service-list span,
.difference-grid span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.caption {
  max-width: var(--max);
  margin: 18px auto 0;
  color: var(--muted-2);
  font-size: 13px;
}

.services,
.process,
.faq {
  background: var(--surface);
  max-width: none;
}

.services > *,
.process > *,
.faq > * {
  max-width: calc(var(--max) + 168px);
  margin-left: auto;
  margin-right: auto;
}

.service-list {
  border-top: 1px solid var(--line);
}

.service-list a {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  min-height: 92px;
  border-bottom: 1px solid var(--line);
}

.service-list a:hover strong {
  color: var(--gold);
}

.service-list strong {
  font-size: clamp(24px, 3vw, 42px);
  font-weight: 500;
  line-height: 1.2;
  transition: color 180ms ease;
}

.service-list em {
  color: var(--muted);
  font-style: normal;
  white-space: nowrap;
}

.difference-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.difference-grid > div {
  min-height: 226px;
  padding: 28px;
  border: 1px solid var(--line);
  background:
    linear-gradient(150deg, var(--gold-soft), transparent 44%),
    var(--surface-2);
}

.difference-grid h3 {
  margin-top: 34px;
}

.process-line {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.process-line li {
  min-height: 184px;
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.process-line strong {
  display: block;
  margin-bottom: 20px;
  color: var(--gold);
  font-size: 12px;
}

.process-line span {
  display: block;
  margin-bottom: 12px;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
}

.process-line p {
  margin: 0;
  color: var(--muted-2);
  font-size: 13px;
  line-height: 1.65;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.faq-list summary {
  cursor: pointer;
  padding: 22px 24px;
  color: var(--text);
  font-weight: 700;
}

.faq-list p {
  margin: 0;
  padding: 0 24px 24px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.75fr);
  gap: 72px;
  align-items: start;
}

.contact h2 {
  margin-bottom: 28px;
}

.contact p {
  max-width: 700px;
  font-size: 17px;
}

.switch-link {
  margin-top: 28px;
  font-size: 14px;
}

.switch-link a {
  color: var(--gold);
  border-bottom: 1px solid rgba(200, 169, 106, 0.5);
}

.line-button {
  margin: 12px 0 8px;
}

.contact-panel {
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--line);
  background:
    linear-gradient(150deg, rgba(200, 169, 106, 0.1), transparent 42%),
    var(--surface-2);
}

.contact-panel > span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-panel h3 {
  margin: 0;
}

.contact-panel ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.contact-panel li {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 850ms ease, transform 850ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .nav {
    display: none;
  }

  .hero-meta {
    display: none;
  }

  .section-heading.split,
  .contact {
    grid-template-columns: 1fr;
  }

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

  .work-large {
    min-height: 430px;
  }

  .process-line {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 68px;
  }

  .brand {
    font-size: 13px;
  }

  .header-cta {
    min-height: 34px;
    padding: 7px 12px;
  }

  .hero {
    min-height: 92vh;
    padding-top: 118px;
    padding-bottom: 56px;
  }

  .hero-image {
    object-position: 66% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(0, 0, 0, 0.94), rgba(0, 0, 0, 0.56)),
      linear-gradient(to top, #000000 0%, rgba(0, 0, 0, 0) 46%);
  }

  section {
    padding-top: 78px;
    padding-bottom: 78px;
  }

  .statement {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .service-list a {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 22px 0;
  }

  .service-list em {
    white-space: normal;
  }

  .process-line {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    padding: 20px;
  }
}