*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  background: #f0f6fd;
  min-height: 100vh;
  padding: 2rem 1rem;
  color: #1a1a1a;
}

.page {
  max-width: 600px;
  margin: 0 auto;
}

/* ヘッダー */
.page-hero {
  background: #E6F1FB;
  border-radius: 12px 12px 0 0;
  padding: 2.5rem 2.5rem 2rem;
  border: 0.5px solid #B5D4F4;
  border-bottom: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #185FA5;
  margin-bottom: 12px;
}

.hero-eyebrow-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #378ADD;
  flex-shrink: 0;
}

.hero-title {
  font-size: 28px;
  font-weight: 600;
  color: #042C53;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.hero-divider {
  width: 100%;
  height: 0.5px;
  background: #B5D4F4;
  margin: 4px 0 0;
}

.hero-desc {
  font-size: 14px;
  color: #185FA5;
  margin-top: 14px;
  line-height: 1.8;
}

/* フォームカード */
.form-card {
  background: #ffffff;
  border: 0.5px solid #B5D4F4;
  border-top: none;
  border-radius: 0 0 12px 12px;
  padding: 2rem 2.5rem 2.5rem;
}

/* 各フィールド */
.cf-group {
  margin-bottom: 1.25rem;
}

.cf-label-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.cf-label {
  font-size: 12px;
  font-weight: 600;
  color: #185FA5;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cf-badge {
  font-size: 10px;
  font-weight: 600;
  color: #A32D2D;
  background: #FCEBEB;
  border: 0.5px solid #F09595;
  border-radius: 6px;
  padding: 1px 7px;
  letter-spacing: 0.04em;
}

.cf-input,
.cf-textarea {
  width: 100%;
  font-size: 15px;
  color: #1a1a1a;
  background: #F4F9FE;
  border: 0.5px solid #B5D4F4;
  border-radius: 8px;
  padding: 11px 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
}

.cf-input:focus,
.cf-textarea:focus {
  border-color: #378ADD;
  box-shadow: 0 0 0 3px rgba(55, 138, 221, 0.12);
}

.cf-input.error,
.cf-textarea.error {
  border-color: #E24B4A;
  box-shadow: 0 0 0 3px rgba(226, 75, 74, 0.1);
}

.cf-textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.7;
}

/* 送信ボタン */
.cf-footer {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.cf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 60%;
  padding: 14px 0;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  color: #ffffff;
  background-color: #185FA5;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: opacity 0.15s, transform 0.1s;
}

.cf-btn:hover { opacity: 0.85; }
.cf-btn:active { transform: scale(0.98); }

.cf-btn svg {
  flex-shrink: 0;
}

/* 送信完了メッセージ */
.cf-success {
  display: none;
  text-align: center;
  padding: 3rem 0 2rem;
}

.cf-success-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #EAF3DE;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.cf-success-title {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.cf-success-msg {
  font-size: 14px;
  color: #555;
  line-height: 1.8;
}

/* スマホ対応 */
@media (max-width: 480px) {
  body {
    padding: 1rem 0.75rem;
  }

  .page-hero {
    padding: 2rem 1.25rem 1.5rem;
  }

  .hero-title {
    font-size: 22px;
  }

  .form-card {
    padding: 1.5rem 1.25rem 2rem;
  }

  .cf-btn {
    width: 80%;
    font-size: 15px;
  }
}