/* ===== Contact Page ===== */

.contact-form {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

/* fieldset */
.field-group {
  border: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-sm);
}

.field-group__legend {
  font-family: var(--font-sans-en);
  font-size: var(--text-small);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 0.4rem;
  padding: 0;
}

.field-group__legend-jp {
  font-family: var(--font-sans-jp);
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--color-text-strong);
  display: block;
  margin-top: 0.25rem;
}

/* category radio cards */
.category-list {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

@media (min-width: 600px) {
  .category-list {
    grid-template-columns: 1fr 1fr;
  }
}

.category-option {
  display: block;
  position: relative;
}

.category-option__input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.category-option__card {
  display: block;
  padding: var(--space-md);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-base), background-color var(--transition-base);
  height: 100%;
}

.category-option:hover .category-option__card {
  border-color: var(--color-blue);
}

.category-option__input:checked + .category-option__card {
  border-color: var(--color-navy);
  background-color: var(--color-bg-soft);
  box-shadow: inset 0 0 0 1px var(--color-navy);
}

.category-option__input:focus-visible + .category-option__card {
  outline: 2px solid var(--color-turquoise);
  outline-offset: 2px;
}

.category-option__label {
  font-family: var(--font-sans-jp);
  font-weight: 600;
  color: var(--color-text-strong);
  display: block;
  margin-bottom: 0.25rem;
}

.category-option__hint {
  font-size: var(--text-small);
  color: var(--color-text-soft);
  line-height: 1.7;
}

/* form fields */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field__label {
  font-family: var(--font-sans-jp);
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text-strong);
}

.form-field__label .required {
  color: var(--color-turquoise);
  margin-left: 0.3em;
}

.form-field__input,
.form-field__textarea {
  font-family: var(--font-sans-jp);
  font-size: var(--text-body);
  color: var(--color-text-strong);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  transition: border-color var(--transition-base);
  width: 100%;
  line-height: 1.5;
}

.form-field__input:focus,
.form-field__textarea:focus {
  outline: none;
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-field__textarea {
  resize: vertical;
  min-height: 150px;
  font-family: var(--font-sans-jp);
}

.form-field__hint {
  font-size: var(--text-xsmall);
  color: var(--color-text-soft);
  line-height: 1.6;
}

.form-field-row {
  display: grid;
  gap: var(--space-sm);
}

@media (min-width: 600px) {
  .form-field-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* checkbox */
.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: var(--space-sm) 0;
}

.checkbox-field input[type="checkbox"] {
  margin-top: 0.3rem;
  width: 18px;
  height: 18px;
  accent-color: var(--color-navy);
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-field label {
  font-size: var(--text-small);
  color: var(--color-text);
  line-height: 1.7;
  cursor: pointer;
}

/* submit */
.contact-form__submit {
  margin-top: var(--space-md);
}

.contact-form__status {
  padding: var(--space-md);
  background-color: var(--color-bg-soft);
  border-left: 3px solid var(--color-turquoise);
  border-radius: 0 8px 8px 0;
  font-size: var(--text-small);
  color: var(--color-text);
  line-height: 1.8;
  margin-top: var(--space-md);
  font-weight: 500;
}

/* 送信中 */
.contact-form__status[data-status-type="pending"] {
  border-left-color: var(--color-blue);
  color: var(--color-text-soft);
}

/* 成功 */
.contact-form__status[data-status-type="success"] {
  border-left-color: var(--color-turquoise);
  background-color: var(--color-bg-bright);
  color: var(--color-navy);
}

/* 失敗 */
.contact-form__status[data-status-type="error"] {
  border-left-color: #DC2626;
  background-color: #FEF2F2;
  color: #991B1B;
}

/* contact info */
.contact-info {
  padding: var(--space-md);
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-md);
  font-size: var(--text-small);
  color: var(--color-text-soft);
  line-height: 1.85;
  margin-top: var(--space-md);
}

.contact-info__label {
  font-family: var(--font-sans-en);
  font-size: var(--text-xsmall);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 0.5rem;
  display: block;
}