:root {
  --bg-dark: #0a0a0a;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-glass: rgba(255, 255, 255, 0.1);
  --accent: #06D6A0;
  --text-main: #f0f0f0;
  --text-muted: #a0a0a0;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
}

.section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 50px 5%;
  box-sizing: border-box;
}

.container {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  max-width: 1200px;
  gap: 50px;
  align-items: center;
}

.text-panel {
  flex: 1;
  min-width: 300px;
}

.text-panel h2 {
  font-size: 3rem;
  margin: 0 0 20px 0;
  font-weight: 800;
}

.text-panel p {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.demo-panel {
  flex: 1.5;
  min-width: 400px;
  min-height: 400px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.morph-svg-container {
  width: 200px;
  height: 200px;
}
.morph-path {
  fill: var(--accent);
}

.replay-btn {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}
.replay-btn:hover {
  background: rgba(255,255,255,0.2);
}