:root {
  --primary-color: #111;
  --accent-color: #607d8b;
  --bg-light: #f8f8f8;
  --bg-dark: #0e0e0e;
  --text-light: #f5f5f5;
  --text-dark: #333;
  --max-width: 960px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.8;
}

.hero {
  background: linear-gradient(to bottom, #0e0e0e, #1c1c1c);
  color: var(--text-light);
  text-align: center;
  padding: 5rem 1rem 4rem;
}
.hero h2 {
  font-size: 2.8rem;
  font-family: 'Montserrat', sans-serif;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
  text-shadow: 2px 2px 5px rgba(0,0,0,0.6);
  text-align: center;
}
.hero .subtitle {
  font-size: 1.1rem;
  color: var(--accent-color);
  letter-spacing: 0.1em;
  text-align: center;
}

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 1.5rem;
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.7s ease;
  border-bottom: 1px solid #e2e2e2;
}
.section:last-of-type {
  border-bottom: none;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}
.section-title {
  font-size: 1.5rem;
  font-weight: bold;
  border-left: 5px solid var(--accent-color);
  padding-left: 1rem;
  margin-bottom: 1rem;
}
.section-subtitle {
  font-size: 0.9rem;
  color: #777;
  margin-bottom: 2rem;
  padding-left: 1rem;
}

p, li {
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
}
ul { padding-left: 1.5rem; }

em {
  color: var(--accent-color);
  font-style: normal;
  font-weight: bold;
}

.profile-table {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0.5rem 1rem;
  background: #fff;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
.profile-label {
  font-weight: bold;
  color: #444;
  border-bottom: 1px dashed #ccc;
  padding-bottom: 0.5rem;
}
.profile-value {
  color: #333;
  border-bottom: 1px dashed #ccc;
  padding-bottom: 0.5rem;
}
@media (max-width: 768px) {
  .hero h2 { font-size: 1.5rem; }
  .hero .subtitle { font-size: 1rem; }
  .section-title { font-size: 1.3rem; }
  .profile-table {
    grid-template-columns: 1fr;
  }
  .profile-label { color: #555; }
  .profile-value { color: #222; }
  p, li {
    font-size: 0.9rem;
    margin-bottom: 1rem;
  }
}