/*
 * welcome.css — ルート（/）の welcome 画面専用スタイル。
 * theme.css のカスタムプロパティを参照する。
 */

.welcome-hero {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background:
    radial-gradient(circle at 18% 22%, var(--color-accent-soft) 0%, transparent 50%),
    radial-gradient(circle at 82% 78%, rgba(3, 105, 161, 0.06) 0%, transparent 55%),
    var(--color-bg-base);
}

.welcome-content {
  max-width: 720px;
  text-align: center;
}

.welcome-title {
  font-size: clamp(2em, 5vw, 3.2em);
  letter-spacing: -0.04em;
  margin: 0 0 16px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.welcome-tagline {
  font-size: 1.2em;
  color: var(--color-text-primary);
  margin: 0 0 16px;
  font-weight: 500;
}

.welcome-description {
  font-size: 0.98em;
  color: var(--color-text-muted);
  margin: 0 auto 32px;
  max-width: 560px;
  line-height: 1.75;
}

.welcome-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 8px;
}

.welcome-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 48px;
  text-align: left;
}

.welcome-feature {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.welcome-feature:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.welcome-feature .feature-icon {
  font-size: 1.6em;
  margin-bottom: 6px;
  display: block;
}

.welcome-feature h3 {
  margin: 0 0 6px;
  font-size: 0.98em;
  color: var(--color-text-primary);
}

.welcome-feature p {
  margin: 0;
  font-size: 0.85em;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== フッター ===== */
.welcome-footer {
  text-align: center;
  padding: 28px 20px 36px;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-secondary);
}

.welcome-footer-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.welcome-footer-links a {
  font-size: 0.9em;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color var(--transition-fast);
}

.welcome-footer-links a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.welcome-footer-company {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.82em;
  color: var(--color-text-dim);
  line-height: 1.8;
}

.welcome-footer-company a {
  color: var(--color-text-dim);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.welcome-footer-company a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}