/* ========== 背景（共通トーン） ========== */

body {
  background: radial-gradient(circle at 0% 0%, #e5f2ff 0, #f3f7ff 40%, #f7f0ff 100%);
  font-family: 'M PLUS Rounded 1c', system-ui, -apple-system, BlinkMacSystemFont,
    'Segoe UI', sans-serif;
}

.hidden {
  display: none !important;
}

/* ========== メインコンテナ ========== */

.container {
  margin: 32px auto 48px;
  max-width: 960px;
  padding: 24px 28px 32px;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 26px;
  box-shadow:
    0 12px 35px rgba(84, 118, 196, 0.16),
    0 0 0 1px rgba(232, 238, 252, 0.9);
  position: relative;
}

/* スマホ */
@media (max-width: 768px) {
  .container {
    margin: 18px 12px 32px;
    padding: 18px 14px 26px;
    border-radius: 18px;
  }
}

/* ========== ヘッダー（タイトル・閲覧数・戻るボタン） ========== */

.title {
  font-size: 20px;
  font-weight: 700;
  color: #1f2633;
  margin: 0 0 8px;
}

/* 閲覧数バッジ */
.form-group-viewcount,
.form-group-viewcount2 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: #65708a;
  margin-bottom: 10px;
}
.form-group-viewcount label,
.form-group-viewcount2 label {
  font-weight: 600;
}
.form-group-viewcount p,
.form-group-viewcount2 p {
  margin: 0;
  padding: 3px 8px;
  border-radius: 999px;
  background: #f3f6ff;
  border: 1px solid #e0e6fb;
}

/* 一覧 / My企画ボタン */
.top-right-buttons {
  position: absolute;
  top: 24px;
  right: 24px;
  display: flex;
  gap: 8px;
  font-size: 12px;
}

.top-button {
  background: linear-gradient(135deg, #2f6bff, #7b5cff);
  color: #ffffff;
  padding: 7px 12px;
  border-radius: 999px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow:
    0 8px 20px rgba(60, 105, 255, 0.35),
    0 0 0 1px rgba(220, 230, 255, 0.9);
  font-weight: 600;
  transition: transform 0.08s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.top-button:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
  box-shadow:
    0 11px 26px rgba(60, 105, 255, 0.45),
    0 0 0 1px rgba(230, 238, 255, 0.98);
}

/* スマホで下に寄せる */
@media (max-width: 768px) {
  .top-right-buttons {
    position: static;
    margin-top: 8px;
    margin-bottom: 6px;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

/* ========== 参加ボタン・参加者一覧 ========== */

.participant-list {
  margin-top: 10px;
  margin-bottom: 18px;
  padding: 12px 14px;
  border-radius: 16px;
  background: #fafbff;
  border: 1px solid #e3e8f7;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.participant-list-button-wrapper {
  margin-left: auto;
}

.participant-list-button {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid #d0d5e8;
  background: #ffffff;
  color: #2f3752;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}
.participant-list-button:hover {
  background: #f0f3ff;
}

/* 参加ボタン */
.participate-button-wrapper.top {
  margin-left: 0;
}

.participate-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #23b36a, #5ed18e);
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.9rem;
  box-shadow:
    0 8px 20px rgba(60, 167, 108, 0.35),
    0 0 0 1px rgba(220, 238, 255, 0.9);
  transition: transform 0.08s ease, box-shadow 0.15s ease, filter 0.15s ease;
}
.participate-button:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

.participate-button.joined,
.participate-button.closed {
  background: #b3b8c8;
  box-shadow: none;
  cursor: not-allowed;
}

.participant-count-info {
  margin-left: auto;
  font-size: 0.8rem;
  color: #7a849d;
}

/* スマホ調整 */
@media (max-width: 768px) {
  .participant-list {
    flex-direction: column;
    align-items: flex-start;
  }
  .participant-list-button-wrapper,
  .participant-count-info {
    margin-left: 0;
  }
}

/* ========== エラー表示 ========== */

.error-message {
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #fce8ea;
  color: #9a1e2a;
  font-size: 0.85rem;
}

/* ========== 編集メニュー（…） ========== */

.action-menu-wrapper {
  position: absolute;
  top: 20px;
  left: 20px;
}

.action-menu-button {
  cursor: pointer;
  font-size: 22px;
  padding: 2px 8px;
  border-radius: 999px;
  background: transparent;
  color: #848ca5;
}

.action-menu {
  position: absolute;
  top: 28px;
  left: 0;
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid #e3e7f5;
  box-shadow: 0 8px 22px rgba(143, 160, 204, 0.25);
  min-width: 130px;
  overflow: hidden;
  z-index: 100;
}

.action-menu a,
.action-menu button {
  display: block;
  width: 100%;
  padding: 8px 12px;
  font-size: 0.85rem;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  color: #374057;
}
.action-menu a:hover,
.action-menu button:hover {
  background: #f4f6ff;
  color: #2f6bff;
}

/* ========== X シェア + 公開スイッチ ========== */

.group-head {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-form-group {
  margin-top: 10px;
}

.x-share-button {
  display: inline-flex;
  align-items: center;
  background-color: #000000;
  color: #ffffff;
  padding: 6px 12px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 12px;
  gap: 6px;
}
.x-share-button:hover {
  background-color: #222222;
}
.x-share-button .x-logo {
  width: 16px;
  height: 16px;
}

/* 公開スイッチ */
.group-head form {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: #7a849d;
}

.switch {
  position: relative;
  display: inline-block;
  width: 45px;
  height: 22px;
}
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #f05d5d;
  transition: 0.4s;
  border-radius: 34px;
}
.slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 0;
  bottom: -1px;
  background-color: #ffffff;
  border-radius: 50%;
  border: 1px solid #b0b5c5;
  transition: 0.4s;
}
input:checked + .slider {
  background-color: #32c36c;
}
input:checked + .slider:before {
  transform: translateX(23px);
}

/* ========== 企画詳細本体 ========== */

.plan-detail {
  margin-top: 18px;
  padding: 16px 0 6px;
  border-top: 1px solid #e2e7f4;
}

/* ラベル＆コンテンツ */
.plan-detail .form-group {
  margin-bottom: 16px;
}
.plan-detail .form-group label {
  font-weight: 700;
  font-size: 0.85rem;
  color: #646f8b;
  display: block;
  margin-bottom: 4px;
}
.plan-detail .form-group p {
  margin: 0;
  padding: 10px 12px;
  background-color: #f8f9ff;
  border-radius: 10px;
  border: 1px solid #e1e5f5;
  font-size: 0.9rem;
  color: #222a3b;
}

/* 開催日・締切日・人数の横並び */
.flex-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.flex-row .form-group {
  flex: 1 1 140px;
}

/* ジャンルタグ */
.genre-tag {
  display: inline-block;
  background-color: #e0f0ff;
  color: #007acc;
  border-radius: 999px;
  padding: 4px 10px;
  margin: 2px 4px 2px 0;
  font-size: 0.8rem;
}

/* 企画者情報 */
.creator-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #222a3b;
}
.creator-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

/* サムネイル・参考画像 */
.thumbnail-img {
  width: 100%;
  max-width: 420px;
  border-radius: 14px;
  background: #f2f4ff;
  object-fit: cover;
}

.reference-images {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.reference-img {
  width: 120px;
  height: 120px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid #e0e4f5;
}

/* ========== 画像拡大モーダル ========== */

.image-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.8);
  justify-content: center;
  align-items: center;
}
.image-modal img.modal-content {
  max-width: 90%;
  max-height: 80vh;
  border-radius: 10px;
}
.close-btn {
  position: absolute;
  top: 30px;
  right: 40px;
  color: #ffffff;
  font-size: 36px;
  font-weight: bold;
  cursor: pointer;
}

/* ========== 参加モーダル ========== */

.modal {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.45);
}
.modal-content {
  background-color: #ffffff;
  border-radius: 18px;
  width: 90%;
  max-width: 520px;
  padding: 24px 22px 20px;
  box-shadow: 0 12px 32px rgba(20, 25, 60, 0.45);
}
.modal-content-join {
  padding: 28px 26px 22px !important;
}
.modal-content form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.modal-content label {
  font-size: 0.85rem;
  margin-bottom: -4px;
  margin-left: 2px;
}
.modal-content input[type="text"] {
  width: 100%;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid #d1d7e8;
  font-size: 0.9rem;
}
.modal-buttons {
  text-align: center;
  margin-top: 16px;
}
.modal-buttons button {
  width: 140px;
  height: 40px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #23b36a, #5ed18e);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
}
.modal-buttons button:hover {
  filter: brightness(1.05);
}
.close {
  float: right;
  font-size: 26px;
  cursor: pointer;
  margin-top: -10px;
}

/* ========== 削除確認モーダル ========== */

.delete-modal {
  position: fixed;
  z-index: 1001;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.55);
}
.delete-modal-content {
  background-color: #ffffff;
  padding: 20px 22px;
  border-radius: 16px;
  text-align: center;
  width: 90%;
  max-width: 380px;
  box-shadow: 0 12px 32px rgba(20, 25, 60, 0.5);
}
.delete-modal .delete-close {
  float: right;
  font-size: 22px;
  cursor: pointer;
}
.delete-modal .delete-confirm-button,
.delete-modal .delete-cancel-button {
  margin: 10px 6px 0;
  padding: 8px 18px;
  border-radius: 999px;
  border: none;
  color: #ffffff;
  cursor: pointer;
  font-size: 0.9rem;
}
.delete-modal .delete-confirm-button {
  background-color: #e5535b;
}
.delete-modal .delete-cancel-button {
  background-color: #8b93a8;
}

/* ========== コメント ========== */

.comment-section {
  margin-top: 24px;
  background: #fafbff;
  border-radius: 18px;
  padding: 18px 18px 20px;
  box-shadow: 0 6px 20px rgba(145, 162, 211, 0.2);
}

.comment-section h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  color: #1f2633;
}

/* コメントフォーム */
.comment-form {
  margin-bottom: 16px;
}
.comment-form textarea,
.reply-form textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid #d1d7e8;
  padding: 10px 12px;
  font-size: 0.9rem;
  resize: vertical;
}
.comment-form textarea:focus,
.reply-form textarea:focus {
  border-color: #2f6bff;
  outline: none;
}
.comment-form .submit-button,
.reply-form button {
  margin-top: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #2f6bff, #7b5cff);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
}
.reply-form button {
  font-size: 0.8rem;
}

/* コメント1件 */
.comment {
  border-top: 1px solid #e1e5f5;
  padding: 14px 0;
}
.comment:first-of-type {
  border-top: none;
}
.author-with-icon {
  display: flex;
  align-items: center;
  font-weight: 700;
  margin-bottom: 4px;
}
.author-with-icon a {
  text-decoration: none;
  color: #222a3b;
}
.author-with-icon a:hover {
  text-decoration: underline;
}
.reply-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  margin-right: 8px;
}
.comment .content {
  margin-bottom: 4px;
  font-size: 0.9rem;
}
.comment .meta {
  font-size: 0.78rem;
  color: #9198af;
}

/* 返信ボタン＆フォーム */
.comment .reply-btn {
  font-size: 0.8rem;
  color: #2f6bff;
  cursor: pointer;
}
.comment .reply-btn:hover {
  text-decoration: underline;
}
.reply-form {
  margin-top: 10px;
  padding-left: 20px;
}

/* 返信コメント */
.comment-reply {
  margin-left: 20px;
  border-left: 2px solid #e3e7f5;
  padding-left: 10px;
  margin-top: 10px;
}
.comment-reply .content {
  font-size: 0.88rem;
}
.comment-reply .meta {
  font-size: 0.76rem;
  color: #a1a8c0;
}

/* スマホ細かい調整 */
@media screen and (max-width: 768px) {
  .flex-row {
    flex-direction: column;
  }
  .plan-detail .form-group p {
    font-size: 0.88rem;
  }
  .comment {
    font-size: 0.9rem;
  }
}