.proof-section {
  padding-top: 72px;
  padding-bottom: 72px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-cloud span {
  border: 1px solid rgba(0, 212, 255, 0.26);
  border-radius: 999px;
  padding: 10px 16px;
  background: rgba(15, 23, 42, 0.54);
  color: #DDFBFF;
  font-weight: 700;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  min-height: 170px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 22px;
  background: rgba(30, 41, 59, 0.54);
}

.steps span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--gradient-brand);
  font-weight: 900;
}

.cta-section {
  width: min(100% - 32px, var(--max-width));
  margin: 32px auto 88px;
  border: 1px solid rgba(0, 212, 255, 0.28);
  border-radius: 8px;
  padding: 56px 28px;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(124, 58, 237, 0.28), rgba(0, 212, 255, 0.14)),
    rgba(30, 41, 59, 0.7);
  box-shadow: var(--shadow-soft);
}

.cta-section p {
  margin-bottom: 24px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
  padding: 28px 0 36px;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
}

.site-footer a:hover {
  color: var(--color-text);
}

.js-loaded .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.js-loaded .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .hero,
  .card-grid.three,
  .features,
  .try-layout,
  .steps {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 36px;
    min-height: auto;
  }

  .app-preview {
    max-width: 620px;
  }

  .try-panel {
    min-height: auto;
  }
}

@media (max-width: 600px) {
  .try-widget-header {
    display: grid;
  }

  .try-widget-header p {
    max-width: none;
  }

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

  .creator-step-arrow {
    display: none;
  }

  .creator-step {
    min-width: 100%;
    max-width: 100%;
  }
}

@media (max-width: 560px) {
  body {
    background:
      radial-gradient(circle at 18% 6%, rgba(124, 58, 237, 0.24), transparent 34%),
      linear-gradient(180deg, #0F172A 0%, #0B1120 100%);
  }

  .site-header {
    width: min(100% - 24px, var(--max-width));
    padding: 12px 0;
  }

  .brand-word {
    font-size: 1.12rem;
  }

  .header-cta {
    padding: 8px 12px;
    font-size: 0.82rem;
  }

  .section-block {
    width: min(100% - 24px, var(--max-width));
    padding: 58px 0;
  }

  .hero {
    padding-top: 44px;
  }

  h1 {
    font-size: 2.35rem;
  }

  .hero-subcopy {
    font-size: 1rem;
  }

  .btn {
    min-height: 44px;
    width: 100%;
    padding: 0 18px;
  }

  .hero-note {
    width: 100%;
    text-align: center;
  }

  .preview-content {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .preview-main-card {
    min-height: 240px;
    padding: 20px;
  }

  .preview-side {
    grid-template-columns: 110px 1fr;
    gap: 16px;
  }

  .solution-card,
  .steps li {
    grid-template-columns: 1fr;
  }

  .solution-index {
    width: 54px;
    height: 54px;
  }

  .site-footer,
  .site-footer nav {
    flex-direction: column;
  }
}

/* reduced-motion: 表示の最終保証。JS の IntersectionObserver skip と二重ガード。 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }

  .js-loaded .reveal,
  .reveal {
    opacity: 1;
    transform: none !important;
  }
}