/* ===========================
   CONTACT PAGE HERO
=========================== */
.contact-page-hero {
  min-height: 36vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 60% 40%, #2A2F4A 0%, var(--navy-dark) 60%);
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + 48px) 40px 64px;
}

.contact-page-hero::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 400px;
  height: 400px;
  border: 1px solid rgba(201, 149, 108, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.contact-page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--navy));
  pointer-events: none;
  z-index: 0;
}

.contact-page-hero-inner {
  text-align: center;
  animation: heroFadeUp 0.8s ease both;
}

.contact-page-eyebrow {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  color: var(--pink-gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.contact-page-title {
  font-family: var(--font-ja);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 16px;
}

.contact-page-sub {
  font-size: 0.9375rem;
  color: var(--white-dim);
  line-height: 1.8;
}

/* ===========================
   FORM SECTION
=========================== */
.contact-form-section {
  padding: 80px 40px 120px;
  background: linear-gradient(to bottom, var(--navy) calc(100% - 100px), var(--navy-dark) 100%);
}

.contact-form-container {
  max-width: 680px;
  margin: 0 auto;
}

/* ===========================
   FORM ELEMENTS
=========================== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-family: var(--font-ja);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--white);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.required {
  color: var(--pink-gold);
  font-size: 0.875rem;
  line-height: 1;
}

.optional {
  font-size: 0.7rem;
  color: var(--white-dim);
  border: 1px solid rgba(240, 237, 232, 0.25);
  border-radius: 2px;
  padding: 1px 6px;
  letter-spacing: 0.08em;
}

.form-input,
.form-textarea,
.form-select {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(201, 149, 108, 0.25);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font-ja);
  font-size: 0.9rem;
  font-weight: 300;
  padding: 14px 18px;
  width: 100%;
  outline: none;
  transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(240, 237, 232, 0.25);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--pink-gold);
  background: rgba(201, 149, 108, 0.05);
  box-shadow: 0 0 0 3px rgba(201, 149, 108, 0.1);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: #e07070;
  box-shadow: 0 0 0 3px rgba(224, 112, 112, 0.1);
}

/* Select */
.select-wrapper {
  position: relative;
}

.form-select {
  cursor: pointer;
  padding-right: 44px;
}

.form-select option {
  background: var(--navy-dark);
  color: var(--white);
}

.select-arrow {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--pink-gold);
  pointer-events: none;
}

.select-arrow svg {
  width: 100%;
  height: 100%;
}

/* Textarea */
.form-textarea {
  resize: vertical;
  min-height: 160px;
  line-height: 1.8;
}

/* Error message */
.form-error {
  font-size: 0.8rem;
  color: #e07070;
  letter-spacing: 0.03em;
  display: none;
}

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

/* Privacy note */
.form-privacy-note {
  font-size: 0.8125rem;
  color: var(--white-dim);
  text-align: center;
  line-height: 1.8;
}

.form-privacy-link {
  color: var(--pink-gold-light);
  border-bottom: 1px solid rgba(201, 149, 108, 0.4);
  transition: border-color 0.3s ease, color 0.3s ease;
}

.form-privacy-link:hover {
  color: var(--pink-gold-pale);
  border-color: var(--pink-gold-pale);
}

/* Send error */
.form-send-error {
  display: none;
  font-size: 0.875rem;
  color: #e07070;
  text-align: center;
  margin-top: -16px;
  line-height: 1.7;
}

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

/* Submit */
.form-submit {
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.btn-submit {
  min-width: 200px;
}

/* ===========================
   SUCCESS MESSAGE
=========================== */
.form-success {
  display: none;
  text-align: center;
  padding: 80px 40px;
  animation: heroFadeUp 0.6s ease both;
}

.form-success.visible {
  display: block;
}

.form-success-inner {
  max-width: 480px;
  margin: 0 auto;
}

.success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 28px;
  color: var(--pink-gold);
}

.success-icon svg {
  width: 100%;
  height: 100%;
}

.success-title {
  font-family: var(--font-ja);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 20px;
}

.success-desc {
  font-size: 0.9375rem;
  color: var(--white-dim);
  line-height: 1.9;
  margin-bottom: 40px;
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 768px) {
  .contact-form-section {
    padding: 60px 24px 96px;
  }

  .contact-form {
    gap: 24px;
  }
}

@media (max-width: 768px) {
  /* 修正5: 全体の左右余白 */
  .contact-page-hero {
    padding: calc(var(--nav-h) + 32px) 20px 48px;
  }

  /* 修正1: 見出しを小さく */
  .contact-page-title {
    font-size: 28px;
  }

  /* 修正2: 説明文を1行に */
  .contact-page-sub {
    font-size: 12px !important;
    text-align: center !important;
  }

  /* 修正3: 説明文下の余白を詰める */
  .contact-page-sub {
    margin-bottom: 24px;
  }

  /* 修正4: 送信ボタンを小さく */
  .btn-submit {
    width: 180px !important;
    min-width: unset;
    padding: 10px 20px !important;
    font-size: 13px !important;
  }

  /* 修正5(追加): フォームコンテナの左右余白 */
  .contact-form-container {
    padding-left: 20px;
    padding-right: 20px;
  }

  /* 修正6(追加): プライバシーノートを1行に */
  .form-privacy-note {
    font-size: 11px !important;
    padding: 0 16px;
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  .contact-page-hero {
    padding: calc(var(--nav-h) + 32px) 20px 48px;
  }

  .form-input,
  .form-textarea,
  .form-select {
    font-size: 1rem; /* prevent iOS zoom */
  }
}