.info-body {
  display: block;
  overflow: auto;
  background: #f5f5f5;
  color: #222;
  padding-bottom: max(24px, env(safe-area-inset-bottom));
}

.info-header {
  position: sticky;
  top: 0;
  background: #222;
  color: #fff;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}
.info-header h1 { font-size: 18px; font-weight: 600; }

.info-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 80px;
  min-height: 44px;
  padding: 8px 14px;
  background: #fff;
  color: #222;
  border-radius: 22px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}

.info-main {
  max-width: 640px;
  margin: 0 auto;
  padding: 12px;
}

.info-main details {
  background: #fff;
  border-radius: 12px;
  margin-bottom: 10px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}
.info-main summary {
  padding: 16px;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
  list-style: none;
  position: relative;
}
.info-main summary::-webkit-details-marker { display: none; }
.info-main summary::after {
  content: '＋';
  position: absolute;
  right: 16px;
  font-size: 20px;
  font-weight: 400;
  color: #888;
}
.info-main details[open] summary::after { content: '−'; }

.info-content {
  padding: 0 16px 16px 16px;
  font-size: 16px;
  line-height: 1.5;
}
.info-content ul, .info-content ol { padding-left: 22px; }
.info-content li { margin: 6px 0; }
.info-content p { margin: 8px 0; }
.info-content ul ul, .info-content ol ul { margin-top: 4px; }

.app-list { list-style: none; padding-left: 0; }
.app-list li {
  margin: 8px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.app-link {
  display: inline-block;
  padding: 8px 14px;
  background: #222;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  min-height: 40px;
  line-height: 24px;
}
.app-link:active { background: #444; }

.info-tip {
  background: #fff8e1;
  border-left: 4px solid #f9a825;
  padding: 10px 12px;
  border-radius: 6px;
  margin: 10px 0;
  font-weight: 500;
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.price-table th, .price-table td {
  padding: 10px 8px;
  text-align: left;
  border-bottom: 1px solid #eee;
}
.price-table th {
  background: #f5f5f5;
  font-weight: 600;
}
.price-table td:last-child, .price-table th:last-child {
  text-align: right;
  font-weight: 600;
  white-space: nowrap;
}

#info-btn {
  min-height: 44px;
  padding: 8px 14px;
  background: #f5f5f5;
  color: #222;
  border: 1px solid #ddd;
  border-radius: 22px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}