/* ================================================
   夜凪舎 - Contact Page Styles
   お問い合わせページ用スタイル
   ================================================ */

/* === Contact Page Container === */
.contact-page {
  padding-top: var(--space-32);
  padding-bottom: var(--space-16);
}

/* === Contact Header === */
.contact-header {
  padding: var(--space-16) 0;
  text-align: center;
}

.contact-header__title {
  font-family: var(--font-ja-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-cream);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .contact-header__title {
    font-size: var(--text-4xl);
  }
}

.contact-header__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--leading-relaxed);
}

/* === Contact Form Section === */
.contact-form-section {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-8) 0;
}

/* === Contact Form === */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* === Form Field === */
.contact-form .form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: 0;
}

.contact-form .form-field label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-cream);
  letter-spacing: var(--tracking-wide);
}

.contact-form .form-field label .required {
  color: var(--color-gold);
  margin-left: var(--space-1);
}

.contact-form .form-field input,
.contact-form .form-field select,
.contact-form .form-field textarea {
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-ja-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition:
    border-color var(--duration-fast) var(--ease-out-quart),
    background-color var(--duration-fast) var(--ease-out-quart),
    box-shadow var(--duration-fast) var(--ease-out-quart);
}

.contact-form .form-field input:focus,
.contact-form .form-field select:focus,
.contact-form .form-field textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  background-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(212, 192, 120, 0.1);
}

.contact-form .form-field input::placeholder,
.contact-form .form-field textarea::placeholder {
  color: var(--color-text-muted);
}

.contact-form .form-field select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23b0b0c8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-10);
}

.contact-form .form-field select option {
  background-color: var(--color-navy-deep);
  color: var(--color-text-primary);
}

.contact-form .form-field textarea {
  min-height: 180px;
  resize: vertical;
  line-height: var(--leading-relaxed);
}

/* === Error State === */
.contact-form .form-field.has-error input,
.contact-form .form-field.has-error select,
.contact-form .form-field.has-error textarea {
  border-color: #e57373;
}

.contact-form .form-field .error-message {
  font-size: var(--text-sm);
  color: #e57373;
  display: none;
}

.contact-form .form-field.has-error .error-message {
  display: block;
}

/* === Submit Button === */
.contact-form__submit {
  margin-top: var(--space-4);
}

.contact-form__submit .button {
  width: 100%;
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

@media (min-width: 480px) {
  .contact-form__submit .button {
    width: auto;
    min-width: 200px;
  }
}

.contact-form__submit .button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* === Loading State === */
.contact-form.is-submitting .button {
  position: relative;
  color: transparent;
}

.contact-form.is-submitting .button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--color-navy-deep);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* === Success Message === */
.contact-success {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  background-color: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.contact-success__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  color: var(--color-gold);
}

.contact-success__title {
  font-family: var(--font-ja-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-cream);
  margin-bottom: var(--space-4);
}

.contact-success__message {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.contact-success__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-wave-light);
  transition: color var(--duration-fast) var(--ease-out-quart);
}

.contact-success__back:hover {
  color: var(--color-gold);
}

/* === Hidden State === */
.contact-form[hidden],
.contact-success[hidden] {
  display: none;
}

/* === Additional Info === */
.contact-info {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.contact-info__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.contact-info__text a {
  color: var(--color-wave-light);
}

.contact-info__text a:hover {
  color: var(--color-gold);
}