/* ==========================================================
   pages/home.css — top page specific styles
   ========================================================== */

/* ----- Hero ----- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100svh;
  padding-top: calc(var(--header-height) + clamp(1.5rem, 4vh, 3rem));
  overflow: hidden;
}

.hero__inner {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.75em;
  font-family: var(--font-en);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-sakura-deep);
  margin-bottom: clamp(1.25rem, 3vh, 2.25rem);
}

.hero-label::before {
  content: "";
  width: 36px;
  height: 2px;
  background: var(--gradient-sakura);
}

.hero-title {
  font-size: var(--fs-hero);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0.005em;
}

.hero-body {
  margin-top: clamp(1.5rem, 3.4vh, 2.5rem);
  max-width: 42em;
}

.hero-lead {
  color: var(--color-text-sub);
}

.hero-note {
  margin-top: 1.1rem;
  font-size: 0.9375rem;
  color: var(--color-text-sub);
}

.hero-actions {
  margin-top: clamp(1.75rem, 4vh, 2.75rem);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-scroll {
  margin-top: clamp(1.5rem, 4vh, 2.5rem);
  display: inline-flex;
  align-items: center;
  gap: 0.75em;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-sub);
}

.hero-scroll::after {
  content: "";
  width: 48px;
  height: 1px;
  background: linear-gradient(to right, var(--color-sakura-deep), transparent);
  animation: scroll-hint 2.6s ease-in-out infinite;
  transform-origin: left;
}

@keyframes scroll-hint {
  0%, 100% { transform: scaleX(0.4); opacity: 0.5; }
  50% { transform: scaleX(1); opacity: 1; }
}

/* Slow keyword marquee along the hero's bottom edge */
.hero-marquee {
  border-top: 1px solid var(--color-border);
  padding-block: 1.1rem;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(
    to right,
    transparent,
    #000 8%,
    #000 92%,
    transparent
  );
  mask-image: linear-gradient(
    to right,
    transparent,
    #000 8%,
    #000 92%,
    transparent
  );
}

.hero-marquee__track {
  display: flex;
  gap: 3.5rem;
  width: max-content;
  animation: marquee 46s linear infinite;
}

.hero-marquee__track span {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-text-sub);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 3.5rem;
}

.hero-marquee__track span::after {
  content: "・";
  color: var(--color-sakura);
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ----- About ----- */
.about-body p + p {
  margin-top: 1.5em;
}

.about-body .em {
  font-weight: 700;
  color: var(--color-text);
}

/* ----- AI approach section (transparent over 3D letters) ----- */
.approach {
  position: relative;
  padding-block: clamp(8rem, 18vw, 14rem);
}

.approach__panel {
  background-color: rgba(255, 255, 255, 0.74);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(231, 231, 234, 0.9);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 4.5rem);
}

.approach__intro p + p {
  margin-top: 1.4em;
}

.approach__points {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.approach__points .feature {
  border-top: 1px solid var(--color-border);
}

/* ----- Reasons ----- */
.reason-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.75rem, 3.5vw, 2.75rem) clamp(1.5rem, 3vw, 2.5rem);
}

.reason-grid .feature {
  border-top: 1px solid var(--color-border);
}

/* ----- Flow note ----- */
.flow-note {
  margin-top: 2.5rem;
  padding: 1.5rem 1.75rem;
  background-color: rgba(254, 242, 247, 0.85);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--color-text-sub);
}

/* ----- Works ----- */
.works-case {
  margin-top: 2.5rem;
}

/* ----- Responsive (home) ----- */
@media (max-width: 1023px) {
  .approach__points,
  .reason-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .hero {
    min-height: 92svh;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .approach__points,
  .reason-grid {
    grid-template-columns: 1fr;
  }
}