* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Hiragino Sans', 'Meiryo', sans-serif;
  background: #f5f7f5;
  color: #333;
  min-height: 100vh;
}

header {
  background: #2d7a4f;
  color: white;
  text-align: center;
  padding: 24px 16px 16px;
}

header h1 {
  font-size: 28px;
  letter-spacing: 4px;
}

header .subtitle {
  font-size: 13px;
  opacity: 0.85;
  margin-top: 4px;
}

main {
  max-width: 600px;
  margin: 0 auto;
  padding: 24px 16px;
}

.input-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}

.btn {
  flex: 1;
  padding: 16px 8px;
  border: none;
  border-radius: 12px;
  font-size: 14px;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-weight: bold;
  transition: opacity 0.2s;
}

.btn-primary {
  background: #2d7a4f;
  color: white;
}

.btn-primary:hover {
  opacity: 0.85;
}

.btn-disabled {
  background: #ccc;
  color: #888;
  cursor: not-allowed;
}

.badge {
  font-size: 10px;
  background: #999;
  color: white;
  border-radius: 4px;
  padding: 2px 6px;
}

.loading {
  text-align: center;
  padding: 40px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #e0e0e0;
  border-top-color: #2d7a4f;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hidden {
  display: none;
}

.form-section {
  background: white;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.form-section h2 {
  font-size: 18px;
  color: #2d7a4f;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #e8f5ee;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: bold;
  color: #555;
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  background: #fafafa;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #2d7a4f;
  background: white;
}

.btn-save {
  width: 100%;
  background: #2d7a4f;
  color: white;
  padding: 16px;
  font-size: 16px;
  border-radius: 12px;
  margin-top: 8px;
}

.btn-save:hover {
  opacity: 0.85;
}

.save-message {
  text-align: center;
  color: #2d7a4f;
  font-weight: bold;
  margin-top: 12px;
}