/* === 診断フォームカード === */
form {
  width: 100%;
  max-width: 626px;
}
.diagnosis-form-card {
  background: #fff;
  border: 1px solid #ebebeb;
  border-radius: 8px;
  box-shadow: 0 4px 8px 2px rgba(0, 0, 0, 0.12);
  padding: 24px;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  box-sizing: border-box;
  font-family:
    "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo,
    sans-serif;
}

.diagnosis-form-card__title {
  font-size: 24px;
  font-weight: normal;
  line-height: 1.6;
  color: #000;
  margin: 0;
  text-align: center;
}

.diagnosis-form-card__description {
  font-size: 14px;
  color: #000;
  line-height: 1.6;
  margin: 0;
  text-align: center;
}

.diagnosis-form-card__row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.diagnosis-form-card__input {
  width: calc(100% - 176px);
  min-width: 200px;
  height: 50px;
  padding: 8px 16px;
  margin-bottom: 0;
  font-size: 14px;
  border: 1px solid #aaa;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
  font-family: inherit;
}

.diagnosis-form-card__input:focus {
  border-color: #196fa9;
}

.diagnosis-form-card__input::placeholder {
  color: #aaa;
}

.diagnosis-form-card__submit {
  flex-shrink: 0;
  width: 160px;
}

/* === oned-website Button 再現 === */
.diagnosis-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 160px;
  height: 50px;
  padding: 16px 30px;
  background-color: #196fa9;
  border: 2px solid #196fa9;
  border-radius: 12px;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  line-height: 1em;
  white-space: nowrap;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 0.2s ease-in-out;
  font-family: inherit;
}

.diagnosis-btn:hover {
  background-color: #145987;
  border-color: #145987;
}

.diagnosis-btn:focus {
  outline-offset: 2px;
}

.diagnosis-btn:disabled {
  background-color: #a3c5dd;
  border-color: #a3c5dd;
  cursor: not-allowed;
  pointer-events: none;
}

/* === エラー・ローディング === */
.diagnosis-form-card__error {
  color: #c53030;
  font-size: 14px;
  margin-top: 12px;
  text-align: center;
}

.diagnosis-form-card__error[hidden],
.diagnosis-form-card__loading[hidden] {
  display: none;
}

.diagnosis-form-card__loading {
  color: #196fa9;
  font-size: 14px;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.diagnosis-form-card__spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid #196fa9;
  border-top-color: transparent;
  border-radius: 50%;
  animation: diagnosis-spin 0.8s linear infinite;
}

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

/* === レスポンシブ === */
@media (max-width: 768px) {
  .diagnosis-form-card {
    padding: 20px 16px;
  }

  .diagnosis-form-card__title {
    font-size: 20px;
  }

  .diagnosis-form-card__row {
    width: 100%;
  }
}
@media (max-width: 490px) {
  .diagnosis-form-card__input {
    width: 100%;
  }
}