:root {
  color-scheme: dark;
  --bg: #120c08;
  --bg-alt: #1a120c;
  --surface: #221810;
  --line: rgba(217, 183, 126, 0.24);
  --text: #f4eadb;
  --muted: #c9b9a4;
  --gold: #d9b77e;
  --gold-strong: #e8cb97;
  --ink: #1a120c;
  --wrap: 1120px;
  --serif: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Noto Serif JP", "MS PMincho", serif;
  --sans: "Yu Gothic", "YuGothic", "Hiragino Sans", "Noto Sans JP", "Meiryo", sans-serif;
  --latin: "Cormorant Garamond", "Garamond", "Times New Roman", serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.9;
  letter-spacing: 0.03em;
}

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

a {
  color: var(--gold-strong);
  text-underline-offset: 3px;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.06em;
}

h2 {
  font-size: clamp(1.75rem, 1.4rem + 1.6vw, 2.5rem);
}

h3 {
  font-size: 1.2rem;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.wrap {
  width: min(var(--wrap), 100% - 32px);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 20;
  padding: 8px 16px;
  background: var(--gold);
  color: var(--ink);
}

.skip-link:focus {
  top: 8px;
}

:focus-visible {
  outline: 2px solid var(--gold-strong);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(18, 12, 8, 0.92);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.brand {
  color: var(--text);
  font-family: var(--latin);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-decoration: none;
  white-space: nowrap;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.875rem;
}

.nav-list a {
  color: var(--text);
  text-decoration: none;
}

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

.nav-list .nav-contact {
  padding: 7px 16px;
  border: 1px solid var(--gold);
  color: var(--gold-strong);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-family: var(--latin);
  font-size: 1rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.hero {
  padding-block: clamp(48px, 7vw, 96px);
  background: radial-gradient(circle at 78% 30%, #3a2413 0, rgba(58, 36, 19, 0) 56%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}

h1 {
  font-size: clamp(2.125rem, 1.45rem + 3.1vw, 3.75rem);
}

.lead {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.0625rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid var(--gold);
  font-size: 0.9375rem;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}

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

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

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

.button-ghost:hover {
  background: rgba(217, 183, 126, 0.12);
}

.hero-media {
  justify-self: center;
  width: min(300px, 100%);
}

.device {
  overflow: hidden;
  aspect-ratio: 9 / 16;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.device video,
.work-player video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--surface);
}

.media-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.8125rem;
  text-align: center;
}

.section {
  padding-block: clamp(64px, 9vw, 112px);
}

.section-alt {
  background: var(--bg-alt);
}

.section-lead {
  margin: 16px 0 0;
  color: var(--muted);
}

.work-grid {
  display: grid;
  grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
  margin-top: 40px;
}

.work-player {
  overflow: hidden;
  aspect-ratio: 9 / 16;
  border: 1px solid var(--line);
  background: var(--surface);
}

.work-body h3 {
  font-size: clamp(1.375rem, 1.2rem + 0.8vw, 1.75rem);
}

.notice {
  margin: 24px 0;
  padding: 16px 20px;
  border-left: 3px solid var(--gold);
  background: var(--surface);
}

.notice strong {
  color: var(--gold-strong);
}

.notice p {
  margin: 6px 0 0;
  font-size: 0.9375rem;
}

.spec {
  margin: 24px 0 0;
  border-top: 1px solid var(--line);
}

.spec div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  padding-block: 10px;
  border-bottom: 1px solid var(--line);
}

.spec dt {
  color: var(--gold);
}

.spec dd {
  margin: 0;
}

.stills {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 48px 0 0;
}

.stills img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.stills figcaption {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.875rem;
}

.credits {
  margin-top: 32px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  font-size: 0.9375rem;
}

.credits summary {
  color: var(--gold-strong);
  cursor: pointer;
}

.credits ul {
  margin-top: 16px;
}

.credits li {
  padding-block: 4px;
  overflow-wrap: anywhere;
}

.credits p {
  margin: 16px 0 0;
  color: var(--muted);
}

.service-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.service-list li {
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.service-list p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

.scope-note {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

.process-list {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  counter-reset: step;
}

.process-list li {
  display: grid;
  grid-template-columns: 72px minmax(0, 240px) minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding-block: 24px;
  border-bottom: 1px solid var(--line);
  counter-increment: step;
}

.process-list li::before {
  content: "0" counter(step);
  color: var(--gold);
  font-family: var(--latin);
  font-size: 1.5rem;
}

.process-list p {
  margin: 0;
  color: var(--muted);
}

.section-contact {
  background: linear-gradient(180deg, var(--bg-alt), #2a1a10);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}

.contact-grid p {
  margin: 16px 0 0;
}

.contact-grid .eyebrow {
  margin-top: 0;
}

.contact-actions {
  margin-top: 28px;
}

.contact-grid .contact-address {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.9375rem;
  overflow-wrap: anywhere;
}

.contact-card {
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(18, 12, 8, 0.6);
}

.contact-card ul {
  margin-top: 16px;
}

.contact-card li {
  position: relative;
  padding: 6px 0 6px 20px;
  font-size: 0.9375rem;
}

.contact-card li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 1.05em;
  width: 8px;
  height: 1px;
  background: var(--gold);
}

.site-footer {
  padding-block: 32px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 860px) {
  .hero-grid,
  .work-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-media {
    width: min(260px, 100%);
  }

  .work-player {
    width: min(340px, 100%);
    justify-self: center;
  }

  .service-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-list li {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 4px 12px;
  }

  .process-list p {
    grid-column: 2;
  }
}

@media (max-width: 620px) {
  .header-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding-block: 8px;
  }

  .brand {
    font-size: 0.9375rem;
  }

  .nav-list {
    justify-content: space-between;
    gap: 8px;
    font-size: 0.8125rem;
  }

  .nav-list a {
    display: block;
    min-height: 32px;
    padding-block: 4px;
  }

  .nav-list .nav-contact {
    padding: 4px 8px;
  }

  html {
    scroll-padding-top: 112px;
  }

  .service-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .stills {
    gap: 6px;
  }
}

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

  .button {
    transition: none;
  }
}