.contact-form-section {
  max-width: 600px;
  margin: 0 auto 2em;
}
.contact-subtitle {
  color: #555;
  margin-bottom: 1.5em;
}
.contact-form-section label {
  display: block;
  margin: 1em 0 0.3em;
  font-weight: 600;
  color: #333;
}
.contact-form-section input,
.contact-form-section select,
.contact-form-section textarea {
  width: 100%;
  padding: 0.7em 1em;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1em;
  font-family: inherit;
  box-sizing: border-box;
}
.contact-form-section input:focus,
.contact-form-section select:focus,
.contact-form-section textarea:focus {
  border-color: #1a237e;
  outline: none;
  box-shadow: 0 0 0 2px rgba(26,35,126,0.15);
}
.contact-submit-btn {
  display: inline-block;
  margin-top: 1.5em;
  padding: 0.7em 2em;
  background: #1a237e;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1em;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.contact-submit-btn:hover {
  background: #0073aa;
  transform: translateY(-2px);
}
.contact-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.cf-status {
  margin-top: 1em;
  padding: 0.8em 1em;
  border-radius: 6px;
  font-size: 0.95em;
}
.cf-status.success {
  background: #e8f5e9;
  color: #2e7d32;
}
.cf-status.error {
  background: #fbe9e7;
  color: #c62828;
}

/* Language visibility — controlled by lang-switcher body classes */
.contact-lang-en,
.contact-lang-ja {
  display: none;
}
body.lang-active .contact-lang-zh { display: block; }
body.lang-active .contact-lang-en { display: none; }
body.lang-active .contact-lang-ja { display: none; }
body.lang-active.show-en .contact-lang-zh { display: none; }
body.lang-active.show-en .contact-lang-en { display: block; }
body.lang-active.show-ja .contact-lang-zh { display: none; }
body.lang-active.show-ja .contact-lang-ja { display: block; }