/* ===========================================
   チュートリアルモーダル
   =========================================== */

.tutorial-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.tutorial-modal {
  background: #fff;
  border-radius: 20px;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  animation: tutorial-appear 0.3s ease-out;
}

@keyframes tutorial-appear {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* スライド */
.tutorial-slide {
  flex: 1;
  overflow-y: auto;
}

.tutorial-slide.hidden {
  display: none;
}

.tutorial-slide-content {
  padding: 40px 30px 30px;
  text-align: center;
}

/* アイコン */
.tutorial-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.tutorial-icon-welcome {
  background: linear-gradient(135deg, #1877f2 0%, #166fe5 100%);
  color: #fff;
}

.tutorial-icon-warning {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #fff;
}

.tutorial-icon-nature {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
}

/* タイトル */
.tutorial-title {
  font-size: 1.5em;
  font-weight: 700;
  color: #1c1e21;
  margin: 0 0 16px 0;
}

/* 説明文 */
.tutorial-description {
  font-size: 0.95em;
  color: #606770;
  line-height: 1.7;
  margin: 0;
}

.tutorial-highlight {
  color: #dc2626;
  font-weight: 600;
}

/* チェックボックス */
.tutorial-checkbox {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
  padding: 14px 20px;
  background: #f0f9ff;
  border: 2px solid #1877f2;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tutorial-checkbox:hover {
  background: #e0f2fe;
}

.tutorial-checkbox input[type="checkbox"] {
  display: none;
}

.tutorial-checkbox-mark {
  width: 24px;
  height: 24px;
  border: 2px solid #1877f2;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.tutorial-checkbox-mark::after {
  content: "";
  width: 12px;
  height: 6px;
  border-left: 3px solid #fff;
  border-bottom: 3px solid #fff;
  transform: rotate(-45deg) translate(1px, -1px);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.tutorial-checkbox input[type="checkbox"]:checked + .tutorial-checkbox-mark {
  background: #1877f2;
}

.tutorial-checkbox input[type="checkbox"]:checked + .tutorial-checkbox-mark::after {
  opacity: 1;
}

.tutorial-checkbox-text {
  font-size: 0.95em;
  font-weight: 600;
  color: #1877f2;
}

/* プライバシーアイコン */
.tutorial-icon-privacy {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  color: #fff;
}

/* プライバシー項目リスト */
.tutorial-privacy-items {
  text-align: left;
  margin-top: 16px;
}

.tutorial-privacy-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: #f7f8fa;
  border-radius: 10px;
  margin-bottom: 10px;
}

.tutorial-privacy-item:last-child {
  margin-bottom: 0;
}

.tutorial-privacy-item-warning {
  background: #fef3c7;
  border: 1px solid #f59e0b;
}

.tutorial-privacy-icon {
  width: 36px;
  height: 36px;
  background: #e7f3ff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1877f2;
  flex-shrink: 0;
}

.tutorial-privacy-item-warning .tutorial-privacy-icon {
  background: #fef3c7;
  color: #d97706;
}

.tutorial-privacy-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tutorial-privacy-text strong {
  font-size: 0.9em;
  color: #1c1e21;
}

.tutorial-privacy-text span {
  font-size: 0.8em;
  color: #606770;
  line-height: 1.4;
}

.tutorial-privacy-text span.tutorial-highlight {
  color: #dc2626;
  font-weight: 500;
}

/* メッセージアイコン */
.tutorial-icon-message {
  background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
  color: #fff;
}

/* 運営メッセージ */
.tutorial-message {
  text-align: center;
}

.tutorial-message-text {
  font-size: 0.95em;
  color: #606770;
  line-height: 1.7;
  margin: 0 0 20px 0;
}

.tutorial-feedback {
  background: #f0f9ff;
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 16px;
}

.tutorial-feedback-text {
  font-size: 0.9em;
  color: #1c1e21;
  line-height: 1.6;
  margin: 0 0 12px 0;
}

.tutorial-hashtag {
  display: inline-block;
}

.tutorial-hashtag-label {
  display: inline-block;
  background: linear-gradient(135deg, #1877f2 0%, #166fe5 100%);
  color: #fff;
  font-size: 1.1em;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 20px;
}

.tutorial-official-account {
  margin-top: 4px;
}

.tutorial-twitter-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #f7f8fa;
  border: 1px solid #e4e6e9;
  border-radius: 12px;
  padding: 12px 20px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.tutorial-twitter-link:hover {
  background: #e4e6e9;
  border-color: #dddfe2;
}

.tutorial-twitter-icon {
  width: 40px;
  height: 40px;
  background: #000;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.tutorial-twitter-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.tutorial-twitter-label {
  font-size: 0.7em;
  color: #606770;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tutorial-twitter-handle {
  font-size: 1em;
  font-weight: 600;
  color: #1c1e21;
}

/* マナーリスト */
.tutorial-manners {
  text-align: left;
  margin-top: 20px;
}

.tutorial-manner-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #f7f8fa;
  border-radius: 10px;
  margin-bottom: 10px;
}

.tutorial-manner-item:last-child {
  margin-bottom: 0;
}

.tutorial-manner-icon {
  width: 40px;
  height: 40px;
  background: #e7f3ff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1877f2;
  flex-shrink: 0;
}

.tutorial-manner-item span {
  font-size: 0.9em;
  color: #1c1e21;
  line-height: 1.4;
}

/* ナビゲーション */
.tutorial-navigation {
  padding: 20px 30px 30px;
  border-top: 1px solid #e4e6e9;
  background: #f7f8fa;
}

.tutorial-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
}

.tutorial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #dddfe2;
  transition: all 0.2s ease;
}

.tutorial-dot.active {
  background: #1877f2;
  transform: scale(1.2);
}

.tutorial-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.tutorial-btn {
  padding: 12px 32px;
  border-radius: 10px;
  font-size: 1em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.tutorial-btn.hidden {
  display: none;
}

.tutorial-btn-prev {
  background: #e4e6e9;
  color: #606770;
}

.tutorial-btn-prev:hover {
  background: #dddfe2;
}

.tutorial-btn-next {
  background: #1877f2;
  color: #fff;
}

.tutorial-btn-next:hover:not(:disabled) {
  background: #166fe5;
}

.tutorial-btn-next:disabled {
  background: #a0aec0;
  cursor: not-allowed;
}

.tutorial-btn-complete {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
  padding: 12px 40px;
}

.tutorial-btn-complete:hover:not(:disabled) {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.tutorial-btn-complete:disabled {
  background: #a0aec0;
  cursor: not-allowed;
}

/* レスポンシブ */
@media (max-width: 480px) {
  .tutorial-overlay {
    padding: 12px;
  }

  .tutorial-modal {
    border-radius: 16px;
  }

  .tutorial-slide-content {
    padding: 30px 20px 20px;
  }

  .tutorial-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
  }

  .tutorial-icon svg {
    width: 36px;
    height: 36px;
  }

  .tutorial-title {
    font-size: 1.3em;
  }

  .tutorial-description {
    font-size: 0.9em;
  }

  .tutorial-manner-item {
    padding: 10px 12px;
  }

  .tutorial-manner-icon {
    width: 36px;
    height: 36px;
  }

  .tutorial-manner-icon svg {
    width: 20px;
    height: 20px;
  }

  .tutorial-manner-item span {
    font-size: 0.85em;
  }

  .tutorial-checkbox {
    padding: 12px 16px;
    margin-top: 20px;
  }

  .tutorial-checkbox-mark {
    width: 22px;
    height: 22px;
  }

  .tutorial-checkbox-text {
    font-size: 0.9em;
  }

  .tutorial-privacy-item {
    padding: 12px 14px;
  }

  .tutorial-privacy-icon {
    width: 32px;
    height: 32px;
  }

  .tutorial-privacy-icon svg {
    width: 18px;
    height: 18px;
  }

  .tutorial-privacy-text strong {
    font-size: 0.85em;
  }

  .tutorial-privacy-text span {
    font-size: 0.75em;
  }

  .tutorial-message-text {
    font-size: 0.85em;
  }

  .tutorial-feedback {
    padding: 14px 16px;
  }

  .tutorial-feedback-text {
    font-size: 0.85em;
  }

  .tutorial-hashtag-label {
    font-size: 1em;
    padding: 6px 16px;
  }

  .tutorial-twitter-link {
    padding: 10px 16px;
    gap: 10px;
  }

  .tutorial-twitter-icon {
    width: 36px;
    height: 36px;
  }

  .tutorial-twitter-icon svg {
    width: 18px;
    height: 18px;
  }

  .tutorial-twitter-handle {
    font-size: 0.9em;
  }

  .tutorial-navigation {
    padding: 16px 20px 24px;
  }

  .tutorial-btn {
    padding: 10px 24px;
    font-size: 0.95em;
  }

  .tutorial-btn-complete {
    padding: 10px 32px;
  }
}