/* 背景 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 9999;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* 中身 */
.modal-content {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  transform: translateY(-20px);
  transition: transform 0.3s ease;
  position: relative;
  text-align: center;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-header {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
}

.modal-body {
  font-size: 14px;
  margin-bottom: 20px;
  line-height: 1.6;
}

/* 閉じるボタン */
.modal-close {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 20px;
  font-weight: bold;
  color: #666;
  cursor: pointer;
}