/* ============================================================
   contact.css — お問い合わせページ固有スタイル
============================================================ */

/* ---- フォームレイアウト（白背景） ---- */
.contact {
  background: var(--bg-light);
  padding: clamp(80px, 11vw, 160px) 0;
}

.contact__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* ---- フォーム本体 ---- */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-form[hidden] {
  display: none;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-dark-sub);
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-required {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid #d8d8d8;
  border-radius: 2px;
  color: #888888;
  text-transform: uppercase;
}

.form-input,
.form-textarea {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-dark);
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--r);
  padding: 14px 18px;
  width: 100%;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  line-height: 1.7;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #aaaaaa;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--text-dark);
  box-shadow: 0 0 0 3px rgba(0, 15, 30, 0.06);
}

.form-input.is-error,
.form-textarea.is-error {
  border-color: #e03333;
  box-shadow: 0 0 0 3px rgba(224, 51, 51, 0.08);
}

.form-textarea {
  min-height: 180px;
  resize: vertical;
}

.form-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-dark-sub);
  cursor: pointer;
  line-height: 1.6;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--accent);
  cursor: pointer;
}

.form-error {
  font-size: 12px;
  color: #e03333;
  line-height: 1.5;
  min-height: 18px;
  display: block;
}

/* ハニーポット */
.form-honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

/* サブミットエリア */
.form-submit {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.form-note {
  font-size: 12px;
  color: #888888;
  line-height: 1.7;
}

.form-note__link {
  color: #888888;
  text-decoration: underline;
}

.form-general-error {
  font-size: 14px;
  color: #e03333;
  line-height: 1.6;
  display: none;
}

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

/* ---- 確認画面 ---- */
.confirm-section {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.confirm-section[hidden] {
  display: none;
}

.confirm-section__title {
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-dark);
}

.confirm-section__lead {
  font-size: 14px;
  color: var(--text-dark-sub);
  line-height: 1.75;
  margin-top: -16px;
}

.confirm-table {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-light);
}

.confirm-table__row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-light);
  align-items: baseline;
}

@media (max-width: 560px) {
  .confirm-table__row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

.confirm-table__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-dark-sub);
}

.confirm-table__value {
  font-size: 15px;
  color: var(--text-dark);
  line-height: 1.7;
}

.confirm-table__value--pre {
  white-space: pre-wrap;
  word-break: break-word;
}

.confirm-table__value--empty {
  color: #aaaaaa;
}

.confirm-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.confirm-actions__btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ライト背景用ゴーストボタン */
.btn--ghost-dark {
  background: transparent;
  color: var(--text-dark);
  border-color: var(--border-light);
}

.btn--ghost-dark:hover {
  border-color: var(--text-dark);
  background: rgba(0, 0, 0, 0.03);
}

/* ---- サイド情報 ---- */
.contact-side {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.contact-side__item {}

.contact-side__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #888888;
  margin-bottom: 12px;
}

.contact-side__value {
  font-size: 15px;
  color: var(--text-dark-sub);
  line-height: 1.75;
}

.contact-side__value a {
  color: var(--text-dark);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 1px;
  transition: border-color var(--t-fast);
}

.contact-side__value a:hover {
  border-color: var(--text-dark);
}

.contact-side__divider {
  width: 32px;
  height: 1px;
  background: var(--border-light);
}

/* ---- サンクスページ ---- */
.thanks {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-light);
  padding: clamp(80px, 12vw, 160px) var(--pad);
}

.thanks__inner {
  text-align: center;
  max-width: 560px;
}

.thanks__check {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 36px;
  font-size: 24px;
  color: var(--text-dark);
}

.thanks__title {
  font-family: var(--font-head);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.thanks__text {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-dark-sub);
  margin-bottom: 48px;
}

.thanks__mail-link {
  color: var(--text-dark);
  text-decoration: underline;
}

/* ---- 404ページ ---- */
.error-page {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-light);
  padding: clamp(80px, 12vw, 160px) var(--pad);
}

.error-page__inner {
  text-align: center;
  max-width: 600px;
}

.error-page__code {
  font-family: var(--font-head);
  font-size: clamp(120px, 20vw, 280px);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 0.85;
  color: rgba(0, 0, 0, 0.06);
  margin-bottom: -20px;
  display: block;
}

.error-page__title {
  font-family: var(--font-head);
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.error-page__text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dark-sub);
  margin-bottom: 48px;
}