body {
  font-family: 'Noto Serif JP', serif;
  background-color: #ebe3eb;
  color: #3e0000;
}

.chart-container {
  position: relative;
  width: 100%;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  height: 300px;
  max-height: 400px;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.gradient-text {
  background: linear-gradient(45deg, #5B4B8A, #A78BFA);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (max-width: 767px) {
  .fade-in {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (min-width: 768px) {
  .chart-container {
    height: 400px;
  }
}

.loader {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #D8C99B;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.zen-gothic {
  font-family: 'Zen Kaku Gothic New', sans-serif !important;
  font-weight: 400;
}

.noto-serif {
  font-family: 'Noto Serif JP', serif;
}
.w-50 {
}