/* ===== Contact Wrapper ===== */
.swx-contact-wrapper {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 32px);
}

/* ===== FAQ (card accordion) ===== */
.swx-faq {
  --faq-bg: var(--swx-c-surface, #fff);
  --faq-ink: var(--swx-c-text, #111);
  --faq-sub: var(--swx-c-muted, #555);
  --faq-line: var(--swx-c-border, #e5e7eb);
  --faq-accent: var(--swx-c-brand, #0c6ff9);
  display: grid;
  gap: 12px;
  margin-block: 1.25rem 2rem;
  margin-inline: calc(-1 * clamp(16px, 4vw, 32px));
  padding: clamp(24px, 4vw, 40px) clamp(16px, 4vw, 32px);
  border-radius: 0;
  background: var(--swx-c-surface, #f9fafb);
}

/* card */
.swx-faq details {
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.025), rgba(0, 0, 0, 0.025)), var(--faq-bg);
  border: 1px solid color-mix(in oklab, var(--faq-line) 85%, transparent);
  border-radius: 14px;
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.swx-faq details:hover {
  border-color: color-mix(in oklab, var(--faq-line) 65%, transparent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

/* summary (header) */
.swx-faq summary {
  list-style: none;
  display: grid;
  grid-template-columns: 20px 1fr;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  font-weight: 700;
  color: var(--faq-ink);
  cursor: pointer;
  outline: none;
}
.swx-faq summary::-webkit-details-marker {
  display: none;
}

/* caret icon */
.swx-faq summary::before {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 2px solid color-mix(in oklab, var(--faq-ink) 70%, #0000);
  border-bottom: 2px solid color-mix(in oklab, var(--faq-ink) 70%, #0000);
  transform: rotate(-45deg) translateY(-1px); /* ▶ */
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.swx-faq details[open] summary::before {
  transform: rotate(45deg) translateY(1px); /* ▼ */
  border-color: color-mix(in oklab, var(--faq-ink) 90%, #0000);
}

/* focus ring */
.swx-faq summary:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--faq-accent) 45%, #0000) inset;
  border-radius: 12px;
}

/* answer body */
.swx-faq .faq-a {
  padding: 12px 16px 16px 46px; /* caret分だけ左を余白 */
  color: var(--faq-sub);
  border-top: 1px dashed color-mix(in oklab, var(--faq-line) 80%, transparent);
  line-height: 1.75;
  animation: swx-faq-fade 0.28s ease;
}

/* open state accent edge */
.swx-faq details[open] {
  border-color: color-mix(in oklab, var(--faq-accent) 35%, var(--faq-line));
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
  background: linear-gradient(
      90deg,
      color-mix(in oklab, var(--faq-accent) 22%, transparent),
      transparent 40%
    ),
    var(--faq-bg);
}

/* section title tiny accent underline */
.swx-faq .swx-sec-title {
  margin: 1.8rem 0 0.6rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  position: relative;
}
.swx-faq .swx-sec-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 72px;
  height: 3px;
  background: var(--faq-accent);
  border-radius: 6px;
}

/* subtle motion */
@keyframes swx-faq-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* mobile tweaks */
@media (max-width: 767.98px) {
  .swx-faq .faq-a {
    padding-left: 36px;
  }
}

/* ===== Contact CTA ===== */
.swx-contact-cta {
  margin: 2rem 0 1rem;
  margin-inline: calc(-1 * clamp(16px, 4vw, 32px));
  padding: clamp(24px, 4vw, 40px) clamp(16px, 4vw, 32px);
  border-radius: 0;
  background: color-mix(in oklab, var(--swx-c-brand, #0c6ff9) 5%, var(--swx-c-surface, #f9fafb));
}
.swx-contact-cta .lead {
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.swx-phone a {
  text-decoration: underline;
}

/* ===== Contact Form Section ===== */
.swx-contact-form {
  margin-inline: calc(-1 * clamp(16px, 4vw, 32px));
  padding: clamp(24px, 4vw, 40px) clamp(16px, 4vw, 32px);
  border-radius: 0;
  background: var(--swx-c-surface, #f9fafb);
}

/* ===== Inquiry Form (Material Design) ===== */
.swx-inquiry {
  /* カラートークン定義（base.css参照） */
  --inq-primary: var(--swx-c-brand, #0c6ff9);
  --inq-surface: var(--swx-c-bg, #ffffff);
  --inq-surface-alt: color-mix(in oklab, var(--swx-c-bg, #ffffff) 96%, var(--swx-c-brand, #0c6ff9) 4%);
  --inq-on-surface: var(--swx-c-text, #111827);
  --inq-muted: var(--swx-c-muted, #6b7280);
  --inq-border: color-mix(in oklab, var(--swx-c-surface, #f9fafb) 60%, #0000);
  --inq-error: var(--swx-c-danger, #dc2626);

  max-width: 960px;
  margin-inline: auto;
}

/* フィールドラッパー */
.swx-inquiry__field {
  margin-bottom: 1rem;
}

/* ラベル */
.swx-inquiry__label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--inq-on-surface);
}

.swx-inquiry__label--checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-weight: 500;
}

/* 必須マーク */
.swx-inquiry__required,
.swx-contact-form .req {
  color: var(--inq-primary);
  margin-left: 0.25em;
  vertical-align: baseline;
}

/* コントロールラッパー（アイコン配置用） */
.swx-inquiry__control-wrap {
  position: relative;
}

/* アイコン */
.swx-inquiry__icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.1rem;
  height: 1.1rem;
  color: var(--inq-muted);
  z-index: 1;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.swx-inquiry__icon svg {
  width: 100%;
  height: 100%;
}

/* textarea用のアイコン位置調整 */
.swx-inquiry__control--textarea ~ .swx-inquiry__icon {
  top: 0.9rem;
  transform: none;
}

/* 入力コントロール */
.swx-inquiry__control {
  width: 100%;
  padding: 0.75rem 0.9rem 0.75rem 2.5rem;
  border-radius: 12px;
  border: 1px solid var(--inq-border);
  background: var(--inq-surface);
  color: var(--inq-on-surface);
  font-size: 0.95rem;
  line-height: 1.4;
  font-family: inherit;
  transition:
    border-color 120ms ease-out,
    box-shadow 120ms ease-out,
    background-color 120ms ease-out;
}

.swx-inquiry__control--textarea {
  padding-top: 0.9rem;
  padding-left: 2.5rem;
  min-height: 120px;
  resize: vertical;
}

.swx-inquiry__control::placeholder {
  color: var(--inq-muted);
  opacity: 0.6;
}

.swx-inquiry__control:focus-visible {
  outline: none;
  border-color: var(--inq-primary);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--inq-primary) 35%, #0000);
  background: var(--inq-surface-alt);
}

.swx-inquiry__control:focus-visible ~ .swx-inquiry__icon {
  color: var(--inq-primary);
}

/* エラー状態 */
.swx-inquiry__control--error,
.swx-inquiry__control:invalid:not(:placeholder-shown):not(:focus) {
  border-color: var(--inq-error);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--inq-error) 25%, #0000);
}

.swx-inquiry__control--error ~ .swx-inquiry__icon,
.swx-inquiry__control:invalid:not(:placeholder-shown):not(:focus) ~ .swx-inquiry__icon {
  color: var(--inq-error);
}

/* エラーメッセージ */
.swx-inquiry__error {
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: var(--inq-error);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* チェックボックス */
.swx-inquiry__checkbox {
  width: 1.25rem;
  height: 1.25rem;
  cursor: pointer;
  accent-color: var(--inq-primary);
  flex-shrink: 0;
}

.swx-inquiry__field--agree {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}

/* 送信ボタン */
.swx-inquiry__submit,
.swx-contact-form .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-width: 180px;
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  border: none;
  background: var(--inq-primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
  transition:
    background-color 120ms ease-out,
    box-shadow 120ms ease-out,
    transform 80ms ease-out;
}

.swx-inquiry__submit:hover,
.swx-contact-form .btn:hover {
  background: color-mix(in oklab, var(--inq-primary) 88%, #000 12%);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.22);
}

.swx-inquiry__submit:active,
.swx-contact-form .btn:active {
  transform: translateY(1px);
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.18);
}

.swx-inquiry__submit:focus-visible,
.swx-contact-form .btn:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 3px color-mix(in oklab, var(--inq-primary) 35%, #0000),
    0 8px 18px rgba(15, 23, 42, 0.22);
}

.swx-inquiry__submit:disabled,
.swx-contact-form .btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.swx-inquiry__submit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
}

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

/* アクションエリア */
.swx-contact-form .actions {
  margin-top: 1.5rem;
  text-align: center;
}

/* バナー（成功/エラーメッセージ） */
.swx-banner {
  position: fixed;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  padding: 1.1rem 1.5rem;
  text-align: center;
  font-weight: 700;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
  z-index: 9999;
  max-width: 90%;
  margin-inline: auto;
  border-radius: 12px;
}

.swx-banner.-ok {
  background: color-mix(in oklab, var(--swx-c-success, #16a34a) 15%, white);
  color: var(--swx-c-success, #16a34a);
  border: 1px solid color-mix(in oklab, var(--swx-c-success, #16a34a) 30%, transparent);
}

.swx-banner.-error {
  background: color-mix(in oklab, var(--inq-error) 15%, white);
  color: var(--inq-error);
  border: 1px solid color-mix(in oklab, var(--inq-error) 30%, transparent);
}

/* レスポンシブ調整 */
@media (max-width: 767.98px) {
  .swx-contact-wrapper {
    padding-inline: clamp(12px, 3vw, 20px);
  }

  .swx-faq,
  .swx-contact-cta,
  .swx-contact-form {
    margin-inline: calc(-1 * clamp(12px, 3vw, 20px));
    padding: clamp(20px, 3vw, 32px) clamp(12px, 3vw, 20px);
  }

  .swx-inquiry__control {
    font-size: 16px; /* iOSのズーム防止 */
  }

  .swx-inquiry__submit,
  .swx-contact-form .btn {
    width: 100%;
    min-width: auto;
  }

  .swx-banner {
    max-width: 95%;
    padding: 1rem 1.2rem;
    font-size: 0.9rem;
  }
}