:root {
  --ink: #111514;
  --muted: #586461;
  --line: #d6ddda;
  --paper: #f3f7f6;
  --white: #ffffff;
  --teal: #008d84;
  --teal-dark: #05645f;
  --lime: #d9ff4f;
  --steel: #24302e;
  --amber: #ffb23f;
  --shadow: 0 24px 80px rgba(17, 21, 20, 0.14);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans JP", "Zen Kaku Gothic New", system-ui, sans-serif;
  letter-spacing: 0;
  line-break: strict;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 16px 32px;
  color: var(--white);
  background: linear-gradient(180deg, rgba(17, 21, 20, 0.82), rgba(17, 21, 20, 0));
}

.brand,
.header-nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 16px;
  font-weight: 900;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
  font-size: 12px;
}

.header-nav {
  gap: 20px;
  font-size: 13px;
  font-weight: 700;
}

.header-nav a {
  opacity: 0.92;
}

.nav-cta {
  min-height: 38px;
  padding: 9px 14px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--lime);
}

.hero {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  background: #0f1413;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 14, 13, 0.92) 0%, rgba(10, 14, 13, 0.74) 36%, rgba(10, 14, 13, 0.20) 72%),
    linear-gradient(180deg, rgba(10, 14, 13, 0.18) 0%, rgba(10, 14, 13, 0.44) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(760px, calc(100% - 48px));
  padding: 164px 0 96px;
  margin-left: max(32px, calc((100vw - 1180px) / 2));
  color: var(--white);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--lime);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--teal-dark);
}

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

h1,
h2 {
  font-family: "Zen Kaku Gothic New", "Noto Sans JP", system-ui, sans-serif;
  font-weight: 900;
  line-height: 1.08;
  text-wrap: balance;
}

h1 {
  max-width: 720px;
  margin-bottom: 28px;
  font-size: 68px;
}

h1 span {
  display: block;
}

.phrase-title span {
  display: block;
  white-space: nowrap;
}

.stacked-copy span {
  display: block;
}

h2 {
  margin-bottom: 18px;
  font-size: 42px;
}

h3 {
  margin-bottom: 12px;
  font-size: 20px;
  line-height: 1.35;
}

p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
  text-wrap: pretty;
  word-break: normal;
  overflow-wrap: normal;
}

.hero-lead {
  max-width: 660px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 18px;
}

.hero-actions,
.model-actions,
.asset-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 14px 20px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 900;
  white-space: nowrap;
}

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

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 680px;
  margin-top: 44px;
}

.hero-metrics span {
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 700;
}

.problem,
.shapes,
.motion,
.flow,
.case,
.offer,
.assets,
.contact {
  padding: 92px max(24px, calc((100vw - 1180px) / 2));
}

.section-heading {
  max-width: 850px;
  margin-bottom: 40px;
}

.section-heading p {
  max-width: 760px;
}

.problem-grid,
.shape-grid,
.offer-list,
.case-gallery {
  display: grid;
  gap: 18px;
}

.problem-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.problem-grid article,
.shape-card,
.offer-list article {
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 40px rgba(17, 21, 20, 0.05);
}

.shapes {
  background: #edf4f1;
}

.shape-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.shape-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 0;
  overflow: hidden;
}

.shape-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #202725;
}

.shape-card-body {
  padding: 0 24px 24px;
}

.shape-index {
  margin-bottom: 10px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
}

.shape-specs {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.shape-specs li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfa;
}

.shape-specs span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.shape-specs strong {
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
}

.num {
  display: block;
  margin-bottom: 34px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
}

.model-showcase {
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 0.72fr) minmax(0, 1.28fr);
  min-height: 760px;
  padding: 0;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(90deg, #111514 0%, #18211f 46%, #1e2b28 100%);
}

.model-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 96px 40px 96px max(30px, calc((100vw - 1180px) / 2));
}

.model-copy p {
  max-width: 570px;
  color: rgba(255, 255, 255, 0.76);
}

.shape-switch {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  width: min(520px, 100%);
  margin: 10px 0 18px;
}

.shape-button,
.view-button {
  min-width: 82px;
  min-height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.shape-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 10px 12px;
}

.shape-button span {
  color: rgba(255, 255, 255, 0.54);
  font-size: 11px;
  font-weight: 900;
}

.shape-button.is-active span {
  color: rgba(17, 21, 20, 0.62);
}

.model-detail {
  width: min(520px, 100%);
  padding: 18px 18px 16px;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.model-detail h3 {
  margin-bottom: 6px;
  color: var(--white);
}

.model-detail p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
}

.shape-button.is-active,
.view-button.is-active {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

.viewer {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(217, 255, 79, 0.10), rgba(0, 141, 132, 0.18)),
    radial-gradient(circle at 72% 50%, rgba(255, 178, 63, 0.12), transparent 34%),
    #121817;
}

#signage-canvas,
#model-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#signage-canvas {
  z-index: 2;
}

#model-fallback {
  object-fit: cover;
  opacity: 0.56;
}

.viewer-status {
  position: absolute;
  z-index: 3;
  left: 24px;
  bottom: 22px;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(17, 21, 20, 0.56);
  font-size: 12px;
  font-weight: 800;
}

.motion {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 48px;
  align-items: center;
  background: var(--white);
}

.motion-copy p {
  max-width: 620px;
}

.motion-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0f1413;
  box-shadow: var(--shadow);
}

.motion-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.motion-note {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(17, 21, 20, 0.70);
  font-size: 12px;
  font-weight: 900;
}

.motion-note span,
.motion-note strong {
  white-space: nowrap;
}

.flow {
  background: var(--white);
}

.flow-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.flow-track article {
  padding: 30px 22px;
  border-right: 1px solid var(--line);
}

.flow-track article:first-child {
  border-left: 1px solid var(--line);
}

.flow-track span {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 26px;
  border-radius: 8px;
  color: var(--white);
  background: var(--teal);
  font-weight: 900;
}

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

.case-gallery figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.case-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #252b2a;
}

.case-gallery figcaption {
  padding: 14px 16px 16px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.offer {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 48px;
  align-items: start;
  background: #e9f0ee;
}

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

.offer-list article {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 22px;
  align-items: start;
}

.offer-list h3 {
  margin: 0;
}

.offer-list p {
  margin-bottom: 0;
}

.assets {
  background: var(--ink);
  color: var(--white);
}

.assets h2,
.assets .section-heading p {
  color: var(--white);
}

.asset-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.08);
  font-size: 14px;
  font-weight: 800;
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(0, 141, 132, 0.86), rgba(17, 21, 20, 0.92)),
    #111514;
}

.contact h2 {
  max-width: 760px;
}

.contact p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.8);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px max(24px, calc((100vw - 1180px) / 2));
  color: rgba(255, 255, 255, 0.72);
  background: #0e1211;
  font-size: 13px;
  font-weight: 700;
}

@media (max-width: 980px) {
  .site-header {
    padding: 14px 20px;
  }

  .header-nav {
    gap: 12px;
  }

  .hero {
    min-height: 700px;
  }

  .hero-image {
    object-position: 68% center;
  }

  .hero-content {
    width: calc(100% - 40px);
    padding-top: 134px;
    margin-left: 20px;
  }

  h1 {
    font-size: 48px;
  }

  h2 {
    font-size: 34px;
  }

  .problem-grid,
  .shape-grid,
  .case-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .model-showcase,
  .motion,
  .offer {
    grid-template-columns: 1fr;
  }

  .model-copy {
    padding: 76px 24px 32px;
  }

  .viewer {
    min-height: 620px;
  }

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

  .flow-track article:nth-child(odd) {
    border-left: 1px solid var(--line);
  }
}

@media (max-width: 640px) {
  .site-header {
    position: absolute;
    min-height: 64px;
  }

  .header-nav a:not(.nav-cta) {
    display: none;
  }

  .hero {
    min-height: 720px;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(10, 14, 13, 0.78) 0%, rgba(10, 14, 13, 0.86) 58%, rgba(10, 14, 13, 0.94) 100%),
      linear-gradient(90deg, rgba(10, 14, 13, 0.72), rgba(10, 14, 13, 0.20));
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: calc(100% - 36px);
    padding-top: 118px;
    padding-bottom: 54px;
    margin-left: 18px;
    text-align: center;
  }

  h1 {
    max-width: 350px;
    font-size: 31px;
    line-height: 1.18;
    overflow-wrap: normal;
    word-break: keep-all;
  }

  h1 span {
    display: block;
    white-space: nowrap;
  }

  h2 {
    font-size: 29px;
    line-height: 1.22;
    word-break: keep-all;
    overflow-wrap: normal;
  }

  p,
  .hero-lead {
    font-size: 15px;
    word-break: normal;
    overflow-wrap: normal;
  }

  .hero-lead {
    max-width: 350px;
    text-align: center;
  }

  .stacked-copy span {
    display: block;
  }

  .button {
    width: 100%;
    min-height: 48px;
  }

  .hero-actions {
    width: 100%;
    max-width: 350px;
    justify-content: center;
  }

  .hero-metrics {
    justify-content: center;
  }

  .problem,
  .shapes,
  .motion,
  .flow,
  .case,
  .offer,
  .assets,
  .contact {
    padding: 64px 18px;
  }

  .problem-grid,
  .shape-grid,
  .case-gallery,
  .motion,
  .flow-track,
  .offer-list,
  .offer-list article {
    grid-template-columns: 1fr;
  }

  .flow-track article,
  .flow-track article:first-child,
  .flow-track article:nth-child(odd) {
    border-left: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }

  .viewer {
    min-height: 520px;
  }

  .model-copy {
    align-items: center;
    padding: 64px 18px 24px;
    text-align: center;
  }

  .model-copy p {
    max-width: 350px;
    text-align: center;
  }

  .model-actions {
    width: 100%;
    max-width: 352px;
    justify-content: center;
  }

  .shape-switch {
    width: 100%;
    max-width: 352px;
  }

  .shape-button {
    min-width: 0;
    padding-right: 6px;
    padding-left: 6px;
  }

  .view-button {
    flex: 1;
    min-width: 0;
  }

  .shape-card-body {
    padding: 0 18px 20px;
    text-align: center;
  }

  .shape-specs li {
    justify-content: center;
  }

  .case-gallery img {
    aspect-ratio: 16 / 10;
  }

  .motion-copy {
    text-align: center;
  }

  .motion-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact {
    align-items: stretch;
    flex-direction: column;
  }

  .site-footer {
    flex-direction: column;
    padding: 22px 18px;
  }
}