@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap');

:root {
  --primary-color: #2c7a7b; /* Teal-ish color from the image example */
  --secondary-color: #ebf8ff; /* Light background */
  --text-color: #2d3748;
  --button-hover: #285e61;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Noto Sans JP', sans-serif;
  background-color: #f7fafc;
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  width: 100%;
  max-width: 1200px;
  padding: 2rem;
  background-color: white;
  box-shadow: var(--shadow-md);
  border-radius: 1rem;
  margin: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.page-header h1 {
  font-size: 1.5rem;
  color: #2d3748;
  text-align: center;
  margin: 0;
}

@media (min-width: 768px) {
  .page-header h1 {
    font-size: 2rem;
  }
}

.image-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
}

.responsive-image {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  /* subtle border to frame the image nicely */
  border: 1px solid #e2e8f0;
}

.action-area {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}

.back-button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 0.75rem 2.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 9999px; /* full rounded pill shape */
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.back-button:hover {
  background-color: var(--button-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.back-button:active {
  transform: translateY(0);
}

/* Add a subtle arrow to the button for better UX */
.back-button::before {
  content: '←';
  font-size: 1.1em;
}