:root {
  --primary: #e7e4dc;
  --on-primary: #11120f;
  --ink: #e7e4dc;
  --ink-hover: #f3efe7;
  --body: #b7b0a6;
  --body-mid: #8a867d;
  --mute: #625f58;
  --hairline: #2a2b26;
  --hairline-strong: #3d3e37;
  --canvas: #11120f;
  --canvas-soft: #171815;
  --canvas-card: #191a15;
  --canvas-mid: #24241f;
  --link: #c84a32;
  --accent-breeze: #c84a32;
  --accent-soft: #d9a08f;
  --max-width: 1120px;
  --font-display: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "SFMono-Regular", "Roboto Mono", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-body);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--canvas);
  color: var(--body);
  font-size: 15px;
}

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

p {
  line-height: 1.78;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  min-height: 58px;
  padding: 0 32px;
  border-bottom: 1px solid var(--hairline);
  background: rgba(17, 18, 15, 0.94);
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: baseline;
  color: var(--ink);
}

.brand-mark {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  letter-spacing: 3.2px;
  text-transform: uppercase;
}

.brand-sub {
  color: var(--mute);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: 22px;
}

.main-nav a,
.language-switch {
  color: var(--body-mid);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.1px;
  line-height: 1;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    opacity 160ms ease;
}

.main-nav a {
  padding: 23px 0 20px;
  border-bottom: 1px solid transparent;
}

.main-nav a:hover,
.main-nav a.is-active {
  border-bottom-color: var(--ink);
  color: var(--ink);
}

.header-actions {
  display: inline-flex;
  gap: 10px;
  align-items: center;
}

.language-switch,
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
}

.language-switch:focus-visible,
.button:focus-visible,
.main-nav a:focus-visible,
.brand:focus-visible,
.directory-row:focus-visible {
  outline: 1px solid var(--link);
  outline-offset: 4px;
}

.language-switch {
  min-height: 36px;
  padding: 0 18px;
}

.button {
  padding: 0 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1.2px;
  line-height: 1;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.button.primary {
  border-color: color-mix(in srgb, var(--link) 66%, var(--hairline));
  background: transparent;
  color: var(--ink);
}

.language-switch:hover,
.button:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--canvas);
  transform: translateY(-1px);
}

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

.page-section,
.hero {
  width: min(var(--max-width), calc(100vw - 72px));
  margin: 0 auto;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.42fr);
  gap: clamp(36px, 6vw, 76px);
  align-items: end;
  min-height: min(640px, calc(100svh - 58px));
  padding: clamp(64px, 8vw, 104px) 0 clamp(56px, 7vw, 88px);
}

.hero::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--hairline);
  content: "";
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--body-mid);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.3px;
  line-height: 1.4;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 400;
}

h1 {
  max-width: 860px;
  font-size: clamp(48px, 6.3vw, 86px);
  letter-spacing: 0.02em;
  line-height: 1.02;
}

h2 {
  max-width: 700px;
  font-size: clamp(30px, 4vw, 48px);
  letter-spacing: 0.04em;
  line-height: 1.16;
}

h3 {
  font-size: 24px;
  letter-spacing: 1px;
  line-height: 1.18;
}

html[lang="ja"] h1 {
  max-width: 860px;
  font-size: clamp(38px, 5.2vw, 70px);
  letter-spacing: 0.03em;
  line-height: 1.18;
  text-transform: none;
}

html[lang="ja"] .hero h1 {
  font-size: clamp(38px, 5.2vw, 70px);
}

html[lang="ja"] h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  letter-spacing: 0.04em;
  line-height: 1.22;
  text-transform: none;
}

.lead {
  max-width: 600px;
  margin: 24px 0 0;
  color: var(--body);
  font-size: clamp(15px, 1.25vw, 18px);
  line-height: 1.72;
}

.hero-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-media {
  position: relative;
  display: grid;
  gap: 12px;
  margin: 0;
}

.hero-media::before {
  position: absolute;
  inset: -18px 18px 18px -18px;
  z-index: -1;
  border: 1px solid var(--hairline);
  content: "";
}

.hero-media img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  border: 1px solid var(--hairline);
  background: var(--canvas-soft);
  object-fit: cover;
  filter: saturate(0.58) contrast(0.95) brightness(0.82);
}

.hero-media figcaption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--body-mid);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  line-height: 1.5;
  text-transform: uppercase;
}

.hero-media figcaption span:first-child {
  color: var(--ink);
}

.section-stack {
  display: grid;
  gap: 14px;
  max-width: 640px;
  margin-bottom: 22px;
}

.section-stack p,
.business-copy p {
  margin: 0;
  color: var(--body-mid);
  max-width: 620px;
}

.product-showcase {
  display: grid;
  gap: 28px;
}

.approach-section {
  display: grid;
  gap: 36px;
}

.quiet-head {
  align-items: start;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--hairline);
}

.approach-item {
  display: grid;
  align-content: start;
  gap: 18px;
  min-height: 280px;
  padding: clamp(24px, 3vw, 34px) clamp(18px, 2.5vw, 28px) clamp(28px, 4vw, 42px) 0;
  border-bottom: 1px solid var(--hairline);
}

.approach-item + .approach-item {
  padding-left: clamp(18px, 2.5vw, 28px);
  border-left: 1px solid var(--hairline);
}

.approach-item span {
  color: var(--body-mid);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.1px;
  line-height: 1.6;
  text-transform: uppercase;
}

.approach-item h3 {
  max-width: 260px;
  font-size: clamp(20px, 2vw, 28px);
  letter-spacing: 0.02em;
  line-height: 1.28;
}

.approach-item p {
  margin: 0;
  color: var(--body-mid);
  font-size: 14px;
  line-height: 1.78;
}

@media (prefers-reduced-motion: no-preference) {
  .hero > div,
  .hero-media,
  .product-directory,
  .business-band {
    animation: rise-in 460ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .hero-media {
    animation-delay: 90ms;
  }

  .business-band {
    animation-delay: 140ms;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.business-band {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(260px, 0.38fr);
  gap: clamp(34px, 7vw, 86px);
  align-items: start;
}

.business-copy {
  display: grid;
  gap: 22px;
}

.business-copy .inline-actions {
  margin-top: 10px;
}

.business-index {
  display: grid;
  border-top: 1px solid var(--hairline);
}

.business-index span {
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(18px, 2vw, 26px);
  font-weight: 400;
  line-height: 1.32;
}

.page-section {
  padding: clamp(64px, 8vw, 104px) 0;
  border-top: 1px solid var(--hairline);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(280px, 0.42fr);
  gap: clamp(28px, 6vw, 88px);
  align-items: end;
  margin-bottom: 42px;
}

.section-head p {
  margin: 0;
  color: var(--body-mid);
}

.grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--hairline);
  background: var(--hairline);
}

.grid.products {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.card,
.panel {
  border: 0;
  border-radius: 0;
  background: var(--canvas);
}

.card {
  display: grid;
  gap: 18px;
  min-height: 280px;
  padding: clamp(20px, 3vw, 32px);
}

.product-directory {
  display: grid;
  border-top: 1px solid color-mix(in srgb, var(--hairline) 72%, transparent);
}

.directory-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.28fr) minmax(150px, 0.22fr) minmax(0, 1fr);
  gap: clamp(18px, 3.5vw, 42px);
  align-items: baseline;
  padding: clamp(24px, 3.4vw, 40px) 0;
  border-bottom: 1px solid color-mix(in srgb, var(--hairline) 72%, transparent);
}

.directory-row:hover span,
.directory-row:hover strong {
  color: var(--ink);
}

.directory-row:hover em {
  color: var(--body);
}

.directory-row span {
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(24px, 2.9vw, 38px);
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.1;
}

.directory-row strong {
  color: var(--body-mid);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 1px;
  line-height: 1.6;
  text-transform: uppercase;
}

.directory-row em {
  color: var(--body-mid);
  font-size: 15px;
  font-style: normal;
  line-height: 1.75;
}

.philosophy-section {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(300px, 0.46fr);
  gap: clamp(34px, 7vw, 90px);
  align-items: start;
}

.philosophy-statement {
  display: grid;
  gap: 14px;
}

.philosophy-list {
  display: grid;
  border-top: 1px solid var(--hairline);
}

.philosophy-list div {
  display: grid;
  grid-template-columns: minmax(92px, 0.28fr) minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--hairline);
}

.philosophy-list strong {
  color: var(--ink);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.35;
}

.philosophy-list p {
  margin: 0;
  color: var(--body-mid);
}

.card p {
  margin: 0;
  color: var(--body-mid);
}

.card .accent {
  align-self: end;
  color: var(--link);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.panel {
  padding: clamp(22px, 3vw, 36px);
}

.panel h2 {
  font-size: clamp(26px, 3vw, 38px);
  letter-spacing: 0.02em;
  line-height: 1.18;
}

.link-panel {
  display: block;
  min-height: 220px;
}

.link-panel:hover {
  background: var(--canvas-soft);
}

.panel p:last-child {
  margin-bottom: 0;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: 0;
  background: var(--hairline);
}

.metric {
  min-height: 150px;
  padding: clamp(22px, 3vw, 32px);
  background: var(--canvas);
}

.metric strong {
  display: block;
  margin-bottom: 14px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
  letter-spacing: 0.04em;
}

.metric p {
  margin: 0;
  color: var(--body-mid);
}

.list {
  display: grid;
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
}

.list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--body);
}

.list a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--hairline-strong);
  text-underline-offset: 5px;
}

.definition-list {
  display: grid;
  grid-template-columns: minmax(150px, 0.36fr) minmax(0, 1fr);
  gap: 0;
  margin: 0;
}

.definition-list dt,
.definition-list dd {
  margin: 0;
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline);
}

.definition-list dt {
  color: var(--body-mid);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.definition-list dd {
  color: var(--ink);
}

.legal-copy {
  max-width: 860px;
}

.legal-copy h2 {
  margin: 44px 0 14px;
  font-size: clamp(26px, 3vw, 38px);
}

.legal-copy h2:first-child {
  margin-top: 0;
}

.legal-copy a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 9px;
}

.field label {
  color: var(--body-mid);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--hairline-strong);
  border-radius: 0;
  padding: 15px 16px;
  background: var(--canvas);
  color: var(--ink);
  font: inherit;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--ink);
  outline: 0;
}

.field textarea {
  min-height: 160px;
  resize: vertical;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  padding: 56px 32px;
  border-top: 1px solid var(--hairline);
  background: var(--canvas);
}

.site-footer p {
  max-width: 520px;
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-content: start;
  justify-content: end;
}

.footer-links a {
  color: var(--body-mid);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.language-prompt {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  width: min(420px, calc(100vw - 36px));
  border: 1px solid var(--hairline-strong);
  border-radius: 0;
  padding: 20px;
  background: rgba(16, 17, 15, 0.96);
}

.language-prompt p {
  margin: 0 0 16px;
  color: var(--body);
}

.language-prompt div {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 14px;
  }

  .main-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .main-nav a {
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .hero,
  .section-head,
  .grid.products,
  .grid.two,
  .approach-grid,
  .philosophy-section,
  .business-band,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 58px;
    gap: 34px;
  }

  .hero-media::before {
    inset: -12px 12px 12px -12px;
  }

  .approach-item,
  .approach-item + .approach-item {
    padding-left: 0;
    border-left: 0;
  }

  .directory-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .metric-row {
    grid-template-columns: 1fr;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .page-section,
  .hero {
    width: min(100% - 28px, var(--max-width));
  }

  .site-header {
    padding: 12px 14px;
  }

  .brand {
    gap: 8px;
  }

  .brand-mark {
    font-size: 12px;
    letter-spacing: 2px;
  }

  .brand-sub {
    display: none;
  }

  .language-switch {
    min-height: 34px;
    padding: 0 12px;
  }

  .button {
    width: 100%;
    min-height: 46px;
    padding: 0 20px;
    text-align: center;
  }

  .hero-media figcaption {
    display: grid;
  }

  .definition-list {
    grid-template-columns: 1fr;
  }

  .definition-list dt {
    padding-bottom: 5px;
    border-bottom: 0;
  }

  .definition-list dd {
    padding-top: 0;
  }
}