.modal-mask {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.modal {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 990px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  z-index: 1001;
  padding: 45px 20px 50px;
}

.close-modal-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  width: 35px;
  height: 35px;
  font-size: 35px;
  padding: 5px;
  cursor: pointer;
}

.modal-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.modal-title {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 26px;
  font-family: "Noto Sans JP", sans-serif;
}

.modal-section {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.modal-method {
  flex: 1;
  padding: 20px;
}

.modal-method-title {
  background-color: #23c755;
  color: #fff;
  border-radius: 10px;
  padding: 10px;
  font-size: 15px;
  margin-left: -10px;
  font-family: "Noto Sans JP", sans-serif;
}

.modal-method-subtitle {
  font-size: 16px;
  font-weight: 700;
  margin-left: 16px;
  font-family: "Noto Sans JP", sans-serif;
}

.modal-method-steps {
  text-align: left;
  font-size: 14px;
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.8;
}

.modal-qr {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-qr img {
  max-width: 174px;
  height: auto;
}

@media (max-width: 767px) {
  .modal-section {
    flex-direction: column;
  }
  .modal-qr img {
    max-width: 100px;
  }
}