/* ==========================================================================
   hack.inc corporate site — Contact section (TOP / About Us など複数ページで共通利用)
   ========================================================================== */

.contact-cta__banner {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.contact-cta__banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-block: var(--space-3);
}

.contact-cta__banner-title {
  font-size: 1.5rem;
  font-weight: 900;
}

.contact-cta__note {
  font-size: 0.8125rem;
  color: var(--color-gold);
}

.contact-cta__body {
  background-color: var(--color-bg-soft);
  padding-block: var(--space-6);
}

.contact-cta__lead {
  margin-top: var(--space-2);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.contact-cta__form {
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* スパム対策用ハニーポット。人間には見えないが、ボットは埋めてしまう */
.contact-cta__hp {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.contact-cta__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4) var(--space-5);
}

.contact-cta__field label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-navy);
}

.contact-cta__field .required {
  color: var(--color-copper);
}

.contact-cta__field input,
.contact-cta__field select,
.contact-cta__field textarea {
  width: 100%;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  padding: 0.625rem 0.875rem;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--color-text-nav);
  transition: border-color var(--duration-fast) var(--ease-standard);
}

.contact-cta__field input:hover,
.contact-cta__field textarea:hover,
.contact-cta__field input:focus,
.contact-cta__field textarea:focus {
  border-color: var(--color-copper);
  outline: none;
  box-shadow: none;
}

.contact-cta__field textarea {
  resize: vertical;
}

/* --- バリデーションエラー ---
   フォーカス/ホバーのカッパー枠線と区別するため、エラー専用色を用いる。
   :hover/:focusと詳細度が同じ想定のため、後勝ちでエラー色を優先させている。 */
.contact-cta__field.is-invalid input,
.contact-cta__field.is-invalid textarea {
  border-color: var(--color-error);
}

.contact-cta__error {
  display: none;
  margin-top: 0.375rem;
  color: var(--color-error);
  font-size: 0.8125rem;
  font-weight: 400;
  line-height: 1.5;
}

.contact-cta__error:not(:empty) {
  display: block;
}

/* --- Custom select --- */
.contact-cta__field select.custom-select__native {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  border: 0;
  white-space: nowrap;
}

.custom-select {
  position: relative;
}

.custom-select__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 42px;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  background-color: var(--color-white);
  color: var(--color-text-nav);
  font-family: inherit;
  font-size: 0.875rem;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-standard);
}

.custom-select__trigger:hover {
  border-color: var(--color-copper);
}

.custom-select.is-open .custom-select__trigger {
  border-color: var(--color-copper);
}

.custom-select.is-invalid .custom-select__trigger {
  border-color: var(--color-error);
}

.custom-select__trigger:focus-visible {
  border-color: var(--color-copper);
  outline: none;
  box-shadow: none;
}

.custom-select__value.is-placeholder {
  color: var(--color-text-muted);
}

.custom-select__chevron {
  width: 0.5rem;
  height: 0.5rem;
  margin: -0.2rem 0.2rem 0 1rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--duration-fast) var(--ease-standard);
}

.custom-select.is-open .custom-select__chevron {
  transform: translateY(0.2rem) rotate(225deg);
}

.custom-select__listbox {
  position: absolute;
  z-index: 20;
  top: calc(100% + 0.5rem);
  left: 0;
  width: 100%;
  max-height: 260px;
  overflow-y: auto;
  padding-block: 0.375rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  background-color: var(--color-white);
  box-shadow: 0 16px 40px rgba(30, 39, 97, 0.13);
  visibility: hidden;
  opacity: 0;
  transform: translateY(-0.25rem);
  pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-standard),
    transform var(--duration-fast) var(--ease-standard),
    visibility 0s linear var(--duration-fast);
}

.custom-select.is-open .custom-select__listbox {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  transition-delay: 0s;
}

.custom-select__option {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 50px;
  padding: 0.75rem 1rem 0.75rem 1.25rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-standard),
    color var(--duration-fast) var(--ease-standard);
}

.custom-select__option:hover,
.custom-select__option.is-active {
  background-color: rgba(184, 115, 51, 0.08);
}

.custom-select__option.is-selected {
  color: var(--color-navy);
  font-weight: 700;
}

.custom-select__option.is-selected::before {
  content: "";
  position: absolute;
  top: 0.75rem;
  bottom: 0.75rem;
  left: 0.5rem;
  width: 2px;
  border-radius: 999px;
  background-color: var(--color-copper);
}

.custom-select__option.is-disabled {
  color: var(--color-text-muted);
  cursor: default;
}

.custom-select__option.is-disabled:hover {
  background-color: transparent;
}

.contact-cta__privacy-note {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.contact-cta__privacy-link {
  color: var(--color-navy);
  text-decoration: underline;
  transition: color var(--duration-fast) var(--ease-standard);
}

.contact-cta__privacy-link:hover {
  color: var(--color-copper);
}

/*
  送信ボタンをエラー有無に関わらず常に右端固定するため、
  同意チェック+エラー文言を1つのブロック(.contact-cta__consent)にまとめ、
  ボタンとは別の flex アイテムとして扱う。エラー行が増えても
  .contact-cta__consent側だけが縦に伸び、ボタン位置は動かない。
*/
.contact-cta__submit-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: var(--space-3);
  padding-top: var(--space-2);
}

.contact-cta__consent {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  flex: 1 1 auto;
  min-width: 0;
}

.contact-cta__consent .contact-cta__error {
  margin-top: 0;
}

.contact-cta__submit-btn {
  flex-shrink: 0;
}

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.checkbox__control {
  display: inline-flex;
  flex-shrink: 0;
  cursor: pointer;
}

.checkbox__control input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.checkbox__box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border: 1px solid var(--color-checkbox-border);
  border-radius: 2px;
  background-color: var(--color-white);
  flex-shrink: 0;
}

.checkbox__box::after {
  content: "";
  width: 9px;
  height: 6px;
  border-left: 1.75px solid var(--color-white);
  border-bottom: 1.75px solid var(--color-white);
  transform: rotate(-45deg) translateY(-1px);
  opacity: 0;
}

.checkbox__control input:checked + .checkbox__box {
  background-color: var(--color-navy);
  border-color: var(--color-navy);
}

.checkbox__control input:checked + .checkbox__box::after {
  opacity: 1;
}

.checkbox__control input:focus-visible + .checkbox__box {
  outline: 2px solid var(--color-copper);
  outline-offset: 2px;
}

.checkbox.is-invalid .checkbox__box {
  border-color: var(--color-error);
}

.checkbox__privacy-link {
  color: var(--color-navy);
  text-decoration: underline;
  transition: color var(--duration-fast) var(--ease-standard);
}

.checkbox__privacy-link:hover {
  color: var(--color-copper);
}

/* --- 送信ボタン(送信中インジケータ) ---
   テキストが「送信する →」→「送信中...」に変わってもボタン幅が動かないよう
   min-widthを固定し、常にラベル中央寄せにしている。 */
.contact-cta__submit-btn {
  min-width: 168px;
  justify-content: center;
}

.contact-cta__submit-btn.is-loading {
  cursor: not-allowed;
  opacity: 0.85;
}

.btn-cta__spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border: 2px solid color-mix(in srgb, currentColor 30%, transparent);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: btn-cta-spin 0.7s linear infinite;
}

.contact-cta__submit-btn.is-loading .btn-cta__spinner {
  display: inline-block;
}

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

/* --- 送信完了モーダル --- */
.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-standard),
    visibility 0s linear var(--duration-base);
}

.contact-modal.is-open {
  visibility: visible;
  opacity: 1;
  transition: opacity var(--duration-base) var(--ease-standard);
}

.contact-modal__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(20, 24, 48, 0.72);
}

.contact-modal__dialog {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: var(--space-6) var(--space-5) var(--space-5);
  border-radius: var(--radius-card);
  background-color: var(--color-white);
  box-shadow: 0 24px 60px rgba(30, 39, 97, 0.25);
  text-align: center;
  transform: translateY(12px) scale(0.98);
  transition: transform var(--duration-base) var(--ease-standard);
}

.contact-modal.is-open .contact-modal__dialog {
  transform: translateY(0) scale(1);
}

.contact-modal__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  line-height: 1;
  transition: background-color var(--duration-fast) var(--ease-standard),
    color var(--duration-fast) var(--ease-standard);
}

.contact-modal__close:hover {
  background-color: var(--color-bg-soft);
  color: var(--color-navy);
}

.contact-modal__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-3);
  border-radius: 50%;
  background-color: var(--color-navy);
  color: var(--color-white);
}

.contact-modal__title {
  color: var(--color-navy);
  font-size: 1.125rem;
  font-weight: 900;
}

.contact-modal__desc {
  margin-top: var(--space-2);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.8;
}

.contact-modal__ok {
  display: flex;
  justify-content: center;
  margin-top: var(--space-5);
  margin-inline: auto;
}

@media (max-width: 640px) {
  .contact-cta__grid {
    grid-template-columns: 1fr;
  }

  .contact-cta__submit-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-cta__submit-row .btn-cta {
    width: 100%;
    justify-content: center;
  }

  .contact-modal__ok {
    width: 100%;
  }
}