/* features.php 固有のスタイル */

/* Hero Section */
.hero-lite {
  position: relative;
  padding: 200px 5% 100px;
  background-image: url('../../images/v4_hero.png');
  background-size: cover;
  background-position: center;
  color: white;
  text-align: center;
  overflow: hidden;
}

.hero-lite::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.hero-lite .container {
  position: relative;
  z-index: 2;
}

.hero-lite h1 {
  font-size: clamp(1.6rem, 6vw, 2.7rem);
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.hero-lite p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 800px;
  margin: 0 auto;
}

.section-white { background: var(--paper-white); }
.section-off { background: var(--paper-off); }

.section-header {
  margin-bottom: 60px;
  max-width: 900px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--color-blue);
}

/* Grid Layouts */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.feature-card {
  background: white;
  padding: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.05);
}

.feature-icon {
  width: 50px;
  height: 50px;
  margin-bottom: 25px;
  color: var(--color-blue);
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  font-family: var(--font-sans);
}

.feature-card p {
  color: var(--ink-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.feature-card ul {
  margin-top: 15px;
  list-style: none;
}

.feature-card li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--ink-secondary);
}

.feature-card li::before {
  content: '・';
  position: absolute;
  left: 0;
  color: var(--color-blue);
  font-weight: bold;
}

/* Sub-sections for Analysis etc */
.analysis-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
}
@media (max-width: 600px) { .analysis-list { grid-template-columns: 1fr; } }

.analysis-item {
  background: var(--paper-warm);
  padding: 20px;
  border-radius: 8px;
  font-weight: 500;
}

/* CTA Section */
.cta-box {
  background: var(--color-blue);
  color: white;
  text-align: center;
  padding: 80px 5%;
  border-radius: 16px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.cta-box h2 { font-size: 2rem; margin-bottom: 20px; }
.cta-box p { margin-bottom: 40px; opacity: 0.9; }

.btn-white {
  background: white;
  color: var(--color-blue);
  padding: 18px 40px;
  border-radius: 4px;
  font-weight: 700;
  display: inline-block;
}