.kw-tutorial-back {
  position: fixed;
  inset: 0;
  z-index: 10050;
  background: rgba(26, 26, 46, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.kw-tutorial-modal {
  background: var(--kw-surface-solid, #fff);
  color: var(--kw-text, #1a1a2e);
  border: 1px solid rgba(26, 26, 46, 0.12);
  border-radius: var(--kw-radius, 16px);
  box-shadow: var(--kw-shadow, 0 8px 32px rgba(0, 0, 0, 0.12));
  max-width: 640px;
  width: 100%;
  max-height: min(85vh, 720px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.kw-tutorial-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(26, 26, 46, 0.08);
  background: var(--kw-surface, #f8faf9);
}

.kw-tutorial-head h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.kw-tutorial-close {
  border: 1px solid rgba(26, 26, 46, 0.18);
  background: #fff;
  color: var(--kw-text, #1a1a2e);
  border-radius: 8px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 0.85rem;
}

.kw-tutorial-close:hover {
  border-color: var(--kw-main, #12a599);
  color: var(--kw-main, #12a599);
}

.kw-tutorial-body {
  overflow: auto;
  padding: 16px 18px 20px;
  font-size: 0.92rem;
  line-height: 1.55;
}

.kw-tutorial-section + .kw-tutorial-section {
  margin-top: 16px;
}

.kw-tutorial-section h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: var(--kw-main, #12a599);
}

.kw-tutorial-section .kw-tutorial-content code {
  background: rgba(18, 165, 153, 0.08);
  padding: 1px 4px;
  border-radius: 4px;
  font-size: 0.85em;
}

.kw-tutorial-section .kw-tutorial-content ul {
  margin: 6px 0 0;
  padding-left: 1.2rem;
}

.kw-tutorial-content a.kw-tutorial-link {
  color: var(--kw-main, #12a599);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.kw-tutorial-content a.kw-tutorial-link:hover,
.kw-tutorial-content a.kw-tutorial-link:focus {
  color: var(--kw-dark, #0e857a);
}

.kw-tutorial-btn-inline {
  border: 1px solid rgba(18, 165, 153, 0.35);
  background: var(--kw-surface-solid, #fff);
  color: var(--kw-main, #12a599);
  border-radius: 8px;
  padding: 4px 10px;
  font-weight: 700;
  cursor: pointer;
}

.kw-tutorial-btn-inline:hover {
  background: var(--kw-main, #12a599);
  color: #fff;
}

/* base.html の FAB 横ボタンは .user-feedback-fab-btn--tutorial を使用 */

.kw-tutorial-loading,
.kw-tutorial-error {
  padding: 24px;
  text-align: center;
  color: var(--kw-text-dim, #5a5a72);
}