@charset "utf-8";

form#mail_form {
  --form-accent: #1d74d0;
  --form-accent-dark: #1560b0;
  --form-border-focus: #1d74d0;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(239, 227, 210, 0.9);
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(190, 170, 145, 0.1);
  padding: 32px 0 48px;
}

form#mail_form dl dt span.required {
  color: #ffffff;
  background: #e0472f;
  border: none;
  border-radius: 4px;
  padding: 2px 10px;
}

form#mail_form ul li label:has(input:checked) {
  border-color: var(--form-accent);
  background: #eef4fc;
  box-shadow: 0 0 0 1px rgba(29, 116, 208, 0.15);
}

form#mail_form ul li label:has(input:checked)::before {
  border-color: var(--form-accent);
  background: var(--form-accent);
}

form#mail_form input[type="button"] {
  background: var(--form-accent);
  box-shadow: 0 4px 16px rgba(29, 116, 208, 0.35);
}

form#mail_form input[type="button"]:hover {
  background: var(--form-accent-dark);
  box-shadow: 0 6px 20px rgba(29, 116, 208, 0.4);
}

form#mail_form input[type="text"]:focus,
form#mail_form input[type="email"]:focus,
form#mail_form input[type="tel"]:focus {
  box-shadow: 0 0 0 3px rgba(29, 116, 208, 0.18);
}

/* 年齢 */
form#mail_form .age-field {
  display: flex;
  align-items: center;
  gap: 10px;
}

form#mail_form .age-field input {
  width: 120px;
  max-width: 40%;
}

form#mail_form .age-unit {
  font-size: 1.5rem;
  color: #333333;
}

/* 現在の主な分野（2列グリッド） */
form#mail_form ul.field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

form#mail_form ul.field-grid li label {
  min-height: 52px;
  font-size: 1.4rem;
}

form#mail_form ul.field-grid li:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

/* 注記 */
form#mail_form .form-note {
  width: 90%;
  margin: -8px auto 0;
  padding-bottom: 20px;
  font-size: 1.3rem;
  color: #666666;
  line-height: 1.6;
}

/* 保有資格アコーディオン */
form#mail_form .qual-accordion {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid #e0e0e0;
  border-radius: var(--form-radius);
  overflow: hidden;
  background: #ffffff;
}

form#mail_form .qual-group {
  border-bottom: 1px solid #eeeeee;
}

form#mail_form .qual-group:last-child {
  border-bottom: none;
}

form#mail_form .qual-group summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  font-size: 1.4rem;
  font-weight: 700;
  color: #333333;
  cursor: pointer;
  list-style: none;
  background: #fafafa;
  transition: background-color 0.2s ease;
}

form#mail_form .qual-group summary::-webkit-details-marker {
  display: none;
}

form#mail_form .qual-group summary::before {
  content: "▶";
  font-size: 1rem;
  color: #666666;
  transition: transform 0.2s ease;
}

form#mail_form .qual-group[open] summary::before {
  content: "▼";
}

form#mail_form .qual-group summary:hover {
  background: #f3f3f3;
}

form#mail_form .qual-list {
  margin: 0;
  padding: 8px 12px 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

form#mail_form .qual-list li label {
  min-height: 40px;
  padding: 8px 12px 8px 36px;
  border: none;
  border-radius: 6px;
  background: transparent;
  font-size: 1.4rem;
  font-weight: 400;
}

form#mail_form .qual-list li label::before {
  left: 8px;
  width: 16px;
  height: 16px;
}

form#mail_form .qual-list li label:has(input[type="checkbox"]:checked)::after {
  left: 12px;
  width: 5px;
  height: 9px;
}

form#mail_form .qual-list li label:hover {
  background: #f5f8fc;
  border-color: transparent;
}

form#mail_form .qual-list li label:has(input:checked) {
  background: #eef4fc;
  box-shadow: none;
}

@media screen and (max-width: 768px) {
  form#mail_form ul.field-grid {
    grid-template-columns: 1fr;
  }

  form#mail_form .age-field input {
    width: 100px;
  }
}