/* Hero */
.hero {
  position: relative;
  padding-block: calc(var(--header-height) + 3rem) 3rem;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr 1.05fr;
    gap: 4rem;
    min-height: calc(88svh - var(--header-height));
  }
}

.hero__eyebrow {
  margin-bottom: 1.5rem;
  font-family: var(--font-en);
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.hero__title {
  margin-bottom: 1rem;
  font-weight: 500;
  line-height: 1.45;
}

.hero__subtitle {
  margin-bottom: 2rem;
  font-size: var(--text-caption);
  color: var(--color-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  background: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
}

.hero__stat {
  padding: 1rem 0.875rem;
  background: var(--color-surface);
}

.hero__stat-value {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.hero__stat-label {
  font-size: 0.6875rem;
  line-height: 1.5;
  color: var(--color-muted);
}

.hero__visual {
  position: relative;
  transition: transform 0.1s linear;
  will-change: transform;
}

.hero__photo-main {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), var(--glow-ai);
}

.hero__photo-main img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform 8s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero__photo-main:hover img {
  transform: scale(1.04);
}

.hero__photo-float {
  position: absolute;
  overflow: hidden;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-float);
}

.hero__photo-float--ai {
  right: -1rem;
  bottom: 2rem;
  width: 36%;
  border: 2px solid rgba(0, 229, 255, 0.5);
  box-shadow: var(--glow-cyan), var(--shadow-float);
}

.hero__photo-float--ai img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

/* About */
.about__layout {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .about__layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    grid-template-rows: auto 1fr;
    gap: 2.5rem 4rem;
    align-items: start;
  }

  .about__head { grid-column: 1; grid-row: 1; }
  .about__visual {
    grid-column: 2;
    grid-row: 1 / 3;
    position: sticky;
    top: calc(var(--header-height) + 2rem);
  }
  .about__content { grid-column: 1; grid-row: 2; }
}

.about__visual { position: relative; }

.about__photo {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.ai-hud--about {
  bottom: 1.25rem;
  left: 1.25rem;
}

.about__photo img,
.about__video {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center;
}

.about__float {
  position: absolute;
  left: -1.5rem;
  bottom: 2rem;
  width: 40%;
  overflow: hidden;
  border: 2px solid var(--color-surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
}

.about__float img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.about__body p + p { margin-top: 1.25rem; }
.about__chips { margin-top: 1.75rem; }

/* Why Us — editorial list */
.why-us__list {
  list-style: none;
  border-top: 1px solid var(--color-line);
}

.why-us__row {
  display: grid;
  gap: 0.75rem 1.5rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--color-line);
  transition: padding-left var(--transition-base);
}

@media (min-width: 768px) {
  .why-us__row {
    grid-template-columns: 4.5rem 1fr;
    gap: 0 3rem;
    align-items: start;
    padding: 2.75rem 0;
  }
}

@media (min-width: 1024px) {
  .why-us__row {
    grid-template-columns: 5rem 16rem 1fr;
    gap: 0 3.5rem;
  }

  .why-us__main { display: contents; }
  .why-us__heading { grid-column: 2; }
  .why-us__body { grid-column: 3; }
}

.why-us__row:hover {
  padding-left: 0.5rem;
}

.why-us__num {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 300;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--color-muted);
}

.why-us__heading {
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.55;
}

.why-us__body {
  font-size: var(--text-small);
  line-height: 1.85;
  max-width: 36rem;
}

@media (min-width: 1024px) {
  .why-us__body { max-width: none; }
}

/* Company */
.company__layout {
  display: grid;
  gap: 1px;
  overflow: hidden;
  background: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

@media (min-width: 900px) {
  .company__layout { grid-template-columns: 0.85fr 1.15fr; }
}

.company__aside {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 260px;
  padding: 2.25rem;
  background: var(--color-surface);
}

.company__aside-num {
  font-family: var(--font-en);
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-line);
}

.company-summary__table {
  padding: 2rem;
  background: var(--color-surface);
}

.company-summary__row {
  display: grid;
  gap: 0.25rem;
  padding-block: 0.875rem;
  border-bottom: 1px solid var(--color-line);
}

.company-summary__row:first-child { padding-top: 0; }
.company-summary__row:last-child { padding-bottom: 0; border-bottom: none; }

@media (min-width: 768px) {
  .company-summary__row { grid-template-columns: 6.5rem 1fr; gap: 1rem; }
}

.company-summary__label {
  font-family: var(--font-en);
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.company-summary__value {
  font-size: var(--text-small);
  color: var(--color-main);
}

.company-summary__action { margin-top: 1.5rem; }

/* Contact CTA — footer内 */
.contact-cta {
  padding-block: 4rem 3.5rem;
}

@media (min-width: 768px) {
  .contact-cta { padding-block: 5rem 4rem; }
}

.contact-cta__layout {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .contact-cta__layout {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: end;
  }
}

.contact-cta__label {
  display: block;
  margin-bottom: 1rem;
  font-size: var(--text-caption);
  color: rgba(255, 255, 255, 0.4);
}

.contact-cta__title {
  margin-bottom: 0;
  color: #fff;
  font-family: var(--font-jp-display);
  letter-spacing: 0.08em;
}

.contact-cta__body {
  margin-bottom: 1.75rem;
  font-size: var(--text-small);
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.6);
}

.contact-cta__body-wrap {
  max-width: 28rem;
}

@media (min-width: 768px) {
  .contact-cta__body-wrap {
    margin-left: auto;
    text-align: left;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 600ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 600ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
  filter: none;
}
