/* ============================================
   Contact Page Styles - OtasukeAI
   Angular / Monochrome + Blue accent design
   ============================================ */

/* ---- Page Layout ---- */
.contact-page {
  min-height: 100vh;
  background: #ffffff;
}

.contact-hero {
  background: #111111;
  padding: 64px 0 56px;
  text-align: center;
  color: #ffffff;
  border-bottom: 4px solid #0066CC;
}

.contact-hero h1 {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 2.25rem;
  font-weight: 900;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.contact-hero p {
  font-size: 1.05rem;
  color: #999999;
  font-weight: 400;
}

/* ---- Form Section ---- */
.contact-form-section {
  padding: 64px 0 80px;
  background: #f7f7f7;
}

.contact-form-card {
  background: #ffffff;
  border-radius: 0;
  border: 1px solid #e0e0e0;
  padding: 48px 44px;
  max-width: 640px;
  margin: 0 auto;
}

.contact-form-card h2 {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: #111111;
  margin-bottom: 8px;
}

.contact-form-card .form-lead {
  font-size: 0.9rem;
  color: #666666;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 2px solid #111111;
}

/* ---- Form Fields ---- */
.contact-form .form-group {
  margin-bottom: 20px;
}

.contact-form .form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: #333333;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.contact-form .form-group label .required {
  color: #0066CC;
  font-size: 0.7rem;
  margin-left: 6px;
  font-weight: 700;
}

.contact-form .form-group input,
.contact-form .form-group select,
.contact-form .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d0d0d0;
  border-radius: 0;
  font-size: 0.95rem;
  font-family: 'Noto Sans JP', sans-serif;
  transition: border-color 0.2s;
  box-sizing: border-box;
  background: #fafafa;
}

.contact-form .form-group input:focus,
.contact-form .form-group select:focus,
.contact-form .form-group textarea:focus {
  outline: none;
  border-color: #0066CC;
  background: #ffffff;
}

.contact-form .form-group input.error,
.contact-form .form-group select.error,
.contact-form .form-group textarea.error {
  border-color: #cc0000;
}

.contact-form .form-error {
  font-size: 0.8rem;
  color: #cc0000;
  margin-top: 4px;
  display: none;
}

.contact-form .form-error.visible {
  display: block;
}

/* ---- Name Row (Side by Side) ---- */
.name-row {
  display: flex;
  gap: 16px;
}

.name-row .form-group {
  flex: 1;
}

/* ---- Select ---- */
.contact-form .form-group select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23666666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

/* ---- Textarea ---- */
.contact-form .form-group textarea {
  min-height: 160px;
  resize: vertical;
  line-height: 1.7;
}

/* ---- Privacy Group ---- */
.privacy-group {
  background: #f7f7f7;
  padding: 20px 24px;
  margin-top: 28px;
  margin-bottom: 28px;
}

.privacy-group label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 400 !important;
  color: #333333;
  cursor: pointer;
  line-height: 1.6;
}

.privacy-group input[type="checkbox"] {
  width: 18px !important;
  height: 18px;
  min-width: 18px;
  margin-top: 3px;
  accent-color: #0066CC;
  cursor: pointer;
}

.privacy-group a {
  color: #0066CC;
  text-decoration: underline;
}

.privacy-group .form-error {
  margin-left: 28px;
}

/* ---- Submit Button ---- */
.contact-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 16px 24px;
  border: none;
  border-radius: 0;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  background: #0066CC;
  color: #ffffff;
  transition: background 0.2s;
  letter-spacing: 0.04em;
}

.contact-submit-btn:hover {
  background: #004d99;
}

.contact-submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---- Loading Spinner ---- */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.6s linear infinite;
}

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

/* ---- Toast notification ---- */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #111111;
  color: #ffffff;
  padding: 14px 28px;
  border-radius: 0;
  font-size: 0.95rem;
  font-weight: 500;
  z-index: 10001;
  opacity: 0;
  transition: all 0.3s;
  border-left: 4px solid #0066CC;
  max-width: 90vw;
}

.toast.toast-success {
  border-left-color: #2D8B4E;
}

.toast.toast-error {
  border-left-color: #cc0000;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 991px) {
  .contact-hero h1 {
    font-size: 1.75rem;
  }
  .contact-form-card {
    padding: 40px 32px;
  }
}

@media (max-width: 767px) {
  .contact-hero {
    padding: 44px 0 40px;
  }
  .contact-hero h1 {
    font-size: 1.5rem;
  }
  .contact-form-section {
    padding: 40px 0 60px;
  }
  .contact-form-card {
    padding: 28px 20px;
    margin: 0 12px;
  }
  .name-row {
    flex-direction: column;
    gap: 0;
  }
  .privacy-group {
    padding: 16px 18px;
  }
}

/* ---- Spinner for submit button ---- */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- Real-time validation success ---- */
.contact-form input.valid,
.contact-form select.valid,
.contact-form textarea.valid {
  border-color: #28a745;
}