/* --- Accordion Styles --- */
/* 
 * Dependencies: This file requires CSS variables defined in main.css
 * Required variables:
 *   --primary-color: Primary brand color
 *   --primary-color-dark: Darker variant of primary color  
 *   --primary-color-text: Text color for primary elements
 */

.accordion {
  margin-top: 20px;
  margin-bottom: 20px;
}

.accordion-item {
  border: 1px solid var(--primary-color, #bdeba0);
  border-radius: 8px;
  margin-bottom: 10px;
  overflow: hidden;
  background-color: #ffffff;
}

.accordion-header {
  margin: 0;
}

.accordion-button {
  width: 100%;
  padding: 15px 20px;
  border: none;
  background-color: var(--primary-color, #bdeba0);
  color: var(--primary-color-text, #404040);
  text-align: left;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.3s ease;
  position: relative;
}

.accordion-button:hover {
  background-color: var(--primary-color-dark, #7db76b);
}

.accordion-button:focus {
  outline: 2px solid var(--primary-color-dark, #7db76b);
  outline-offset: 2px;
}

.accordion-button::after {
  content: '+';
  font-size: 20px;
  font-weight: bold;
  transition: transform 0.3s ease;
}

.accordion-button:not(.collapsed)::after {
  content: '−';
  transform: rotate(0deg);
}

.accordion-collapse {
  transition: all 0.3s ease;
  max-height: 0;
  overflow: hidden;
}

.accordion-collapse.show {
  max-height: none;
}

.accordion-body {
  padding: 16px;
  background-color: #ffffff;
  border-top: 1px solid #e9ecef;
  line-height: 1.6;
  font-size: 16px;
}

.accordion-body p {
  margin-bottom: 10px;
}

.accordion-body ul {
  margin-left: 20px;
}

.accordion-body strong {
  color: var(--primary-color-text, #404040);
}

/* FAQ specific styling */
.for_b3 .accordion-item {
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.for_b3 .accordion-button {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif, 'Noto Sans Japanese';
}