:root{
  --bg:#f7f7f8;
  --panel:#ffffff;
  --sidebar:#f4f4f5;
  --line:#e5e7eb;
  --text:#111827;
  --muted:#6b7280;
  --blue:#2563eb;
  --blue-soft:#eff6ff;
  --hover:#f9fafb;
  --active:#e8f0ff;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{text-decoration:none;color:inherit}
.topbar{height:54px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 18px;position:sticky;top:0;z-index:10}
.brand strong{font-size:17px;letter-spacing:-.01em}
.topbar nav{display:flex;gap:4px}
.topbar nav a{font-size:13px;color:#374151;padding:8px 10px;border-radius:8px}
.topbar nav a:hover{background:#f3f4f6}
button,.primary,.secondary,.new-btn{border:0;border-radius:8px;padding:9px 12px;cursor:pointer;font-weight:700;display:inline-block}
.primary{background:var(--blue);color:#fff}
.secondary{background:#fff;color:#111827;border:1px solid var(--line)}
.new-btn{background:#111827;color:#fff;width:34px;height:34px;display:grid;place-items:center;padding:0}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px;background:#fff;font-size:14px}
textarea{min-height:94px;resize:vertical}
label{display:block;font-size:12px;font-weight:700;color:#374151;margin:10px 0 5px}
.check-line,.check-inline{display:flex;align-items:center;gap:7px;font-weight:600;color:#374151}
.check-line input,.check-inline input{width:auto}
.hint{color:var(--muted);font-size:13px}
.alert{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:10px;border-radius:10px;margin:12px 0}
.login-page{min-height:calc(100vh - 54px);display:grid;place-items:center;padding:24px}
.login-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;width:min(430px,100%);box-shadow:0 16px 36px rgba(15,23,42,.08)}
.login-card h1{margin:0 0 8px}
.login-card button{width:100%;margin-top:15px}
.slack-layout{height:calc(100vh - 54px);display:grid;grid-template-columns:330px minmax(0,1fr) 300px}
.slack-sidebar{background:var(--sidebar);border-right:1px solid var(--line);overflow:auto;display:flex;flex-direction:column}
.sidebar-head{padding:16px 14px 12px;display:flex;justify-content:space-between;align-items:flex-start}
.sidebar-head h1{font-size:22px;margin:0}
.sidebar-head p{font-size:12px;color:var(--muted);margin:3px 0 0}
.search-details{padding:0 12px 8px}
.search-details summary{cursor:pointer;font-size:12px;color:var(--muted);font-weight:700;padding:4px 2px}
.sidebar-search{display:grid;grid-template-columns:1fr auto;gap:7px;margin-top:6px}
.sidebar-search input{grid-column:1/3}
.sidebar-search button{background:#fff;border:1px solid var(--line);border-radius:8px}
.section-title{font-size:11px;font-weight:900;color:#6b7280;letter-spacing:.06em;padding:11px 14px 6px}
.closed-title{margin-top:10px;border-top:1px solid var(--line);padding-top:14px}
.topic-list{display:flex;flex-direction:column}
.topic-row{padding:10px 13px;margin:2px 8px;border-radius:10px}
.topic-row:hover{background:#fff}
.topic-row.active{background:var(--active)}
.topic-row.unread .row-top strong{font-weight:900;color:#0f3b83}
.row-top{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.row-top strong{font-size:14px;line-height:1.32}
.unread-pill{background:var(--blue);color:#fff;border-radius:999px;padding:2px 7px;font-size:11px}
.row-meta{font-size:11px;color:var(--muted);margin-top:4px}
.row-snippet{font-size:12px;color:#4b5563;margin-top:5px;line-height:1.35}
.closed-list .topic-row{opacity:.78}
.empty-small{font-size:12px;color:var(--muted);padding:8px 14px}
.chat-main{background:#fff;display:flex;flex-direction:column;min-width:0}
.chat-head{height:auto;min-height:76px;padding:14px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.chat-head h2{font-size:20px;margin:0 0 6px}
.thread-meta{display:flex;gap:6px;flex-wrap:wrap}
.thread-meta span{background:#f3f4f6;border:1px solid var(--line);border-radius:999px;padding:3px 8px;font-size:12px;color:#374151}
.messages{padding:18px;flex:1;overflow:auto;background:#fff}
.message{display:flex;margin-bottom:13px}
.message.mine{justify-content:flex-end}
.bubble{background:#fff;border:1px solid var(--line);border-radius:14px;padding:11px 13px;max-width:760px;box-shadow:0 4px 12px rgba(15,23,42,.035)}
.message.mine .bubble{background:#eef5ff;border-color:#bfdbfe}
.msg-meta{font-size:12px;color:var(--muted);margin-bottom:7px}
.msg-body{line-height:1.65;font-size:15px;white-space:normal}
.reply-box{border-top:1px solid var(--line);padding:12px 14px;background:#fff;display:grid;gap:8px}
.reply-tools{display:grid;grid-template-columns:180px 1fr;gap:8px;align-items:center}
.reply-box textarea{min-height:76px}
.topic-side{background:#fff;border-left:1px solid var(--line);padding:12px;overflow:auto}
.side-card{border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:12px;background:#fff}
.side-card h3{font-size:15px;margin:0 0 10px}
.participant{border-bottom:1px solid var(--line);padding:7px 0;font-size:13px}
.participant span{color:var(--muted);font-size:12px;margin-left:5px}
.participant small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.mini-form{display:grid;gap:8px;margin-top:10px}
.file-row{display:block;border-bottom:1px solid var(--line);padding:7px 0;font-size:13px;color:var(--blue)}
.file-row small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.empty-thread{display:grid;place-items:center;text-align:center;background:#fff;padding:40px}
.empty-thread h2{font-size:24px;margin:0 0 8px}
.empty-thread p{color:var(--muted);max-width:520px;line-height:1.7}
.page{max-width:1100px;margin:0 auto;padding:24px}
.compose-card,.table-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:18px;box-shadow:0 8px 20px rgba(15,23,42,.04)}
.compose-card h1{margin-top:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.checklist{border:1px solid var(--line);border-radius:10px;max-height:220px;overflow:auto;padding:8px;background:#fafafa}
.checklist label{margin:0;padding:8px;border-bottom:1px solid #eef0f2;font-weight:500}
.checklist input{width:auto;margin-right:6px}
table{width:100%;border-collapse:collapse}
th,td{border-bottom:1px solid var(--line);padding:10px;text-align:left;font-size:14px;vertical-align:top}
th{font-size:12px;color:var(--muted);background:#f9fafb}
@media(max-width:1080px){
  .slack-layout{grid-template-columns:300px minmax(0,1fr)}
  .topic-side{display:none}
}
@media(max-width:760px){
  .slack-layout{grid-template-columns:1fr;height:auto}
  .slack-sidebar{height:48vh}
  .reply-tools,.grid2{grid-template-columns:1fr}
}

.file-preview{margin:18px 0;border:1px solid var(--line);border-radius:12px;background:#fafafa;padding:14px;min-height:160px}
.file-preview-image{max-width:100%;height:auto;border-radius:10px;display:block;margin:auto}
.file-preview-frame{width:100%;height:70vh;border:0;border-radius:10px;background:#fff}
.file-preview-empty{padding:30px;text-align:center;color:var(--muted)}
.file-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:14px}
.file-actions form{margin:0}
.danger-card{border-color:#fecaca;background:#fff7f7}
.danger{background:#dc2626;color:#fff;border:0;border-radius:8px;padding:9px 12px;cursor:pointer;font-weight:700}

.msg-attachments{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap;align-items:flex-start}
.chat-image{max-width:280px;max-height:240px;border-radius:10px;border:1px solid var(--line);display:block;background:#fff;object-fit:contain}
.attachment-link{display:inline-block;background:#f3f4f6;border:1px solid var(--line);border-radius:8px;padding:7px 9px;font-size:13px;color:var(--blue);margin-top:4px}

.msg-attachments{
  margin-top:10px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  align-items:flex-start;
}
.chat-image{
  max-width:280px;
  max-height:240px;
  border-radius:10px;
  border:1px solid var(--line);
  display:block;
  background:#fff;
  object-fit:contain;
}
.attachment-link{
  display:inline-block;
  background:#f3f4f6;
  border:1px solid var(--line);
  border-radius:8px;
  padding:7px 9px;
  font-size:13px;
  color:var(--blue);
  margin-top:4px;
}

.image-view-wrap{
  margin:18px 0;
  text-align:center;
}
.image-view-large{
  max-width:100%;
  max-height:75vh;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  object-fit:contain;
}
.file-actions{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
  margin-top:14px;
}

.chat-video-wrap{
  display:flex;
  flex-direction:column;
  gap:5px;
}
.chat-video{
  max-width:320px;
  max-height:240px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#000;
}
.media-view-wrap{
  margin:18px 0;
  text-align:center;
}
.media-view-video{
  max-width:100%;
  width:100%;
  max-height:75vh;
  border-radius:12px;
  background:#000;
}
.read-receipt{
  font-size:11px;
  color:var(--muted);
  text-align:right;
  margin-top:8px;
}

.deleted-message{
  color:#6b7280;
  font-style:italic;
  background:#f3f4f6;
  border-radius:8px;
  padding:8px;
}
.edit-note{
  font-size:11px;
  color:#6b7280;
  margin-top:5px;
  text-align:right;
}
.message-actions{
  margin-top:8px;
  font-size:12px;
  color:#6b7280;
}
.message-actions summary{
  cursor:pointer;
  display:inline-block;
  padding:3px 6px;
  border-radius:6px;
}
.message-actions summary:hover{
  background:#f3f4f6;
}
.edit-message-form{
  margin-top:8px;
  display:grid;
  gap:6px;
}
.edit-message-form textarea{
  min-height:70px;
}
.danger{
  background:#dc2626;
  color:#fff;
  border:0;
  border-radius:8px;
  padding:8px 10px;
  cursor:pointer;
  font-weight:700;
  margin-top:6px;
}

/* Mobile Slack-like layout */
.mobile-back-link{
  display:none;
}

@media(max-width:760px){
  html, body{
    height:100%;
    overflow:hidden;
  }

  body{
    background:#fff;
  }

  .topbar{
    height:52px;
    padding:0 10px;
    gap:8px;
    overflow:hidden;
  }

  .brand{
    min-width:150px;
    overflow:hidden;
  }

  .brand strong{
    font-size:14px;
    white-space:nowrap;
  }

  .topbar nav{
    flex:1;
    display:flex;
    gap:4px;
    overflow-x:auto;
    white-space:nowrap;
    -webkit-overflow-scrolling:touch;
  }

  .topbar nav a{
    font-size:12px;
    padding:7px 8px;
    flex:0 0 auto;
  }

  main{
    height:calc(100vh - 52px);
    overflow:hidden;
  }

  .slack-layout{
    display:block;
    height:calc(100vh - 52px);
    overflow:hidden;
  }

  /* トピック未選択時：一覧だけ表示 */
  .slack-layout.no-topic .slack-sidebar{
    display:flex;
    height:calc(100vh - 52px);
    width:100%;
    border-right:0;
  }

  .slack-layout.no-topic .chat-main,
  .slack-layout.no-topic .topic-side,
  .slack-layout.no-topic .empty-thread{
    display:none;
  }

  /* トピック選択時：チャットだけ表示 */
  .slack-layout.has-topic .slack-sidebar{
    display:none;
  }

  .slack-layout.has-topic .chat-main{
    display:flex;
    height:calc(100vh - 52px);
    width:100%;
  }

  .slack-layout.has-topic .topic-side{
    display:none;
  }

  .sidebar-head{
    padding:14px 14px 10px;
    background:#fff;
    border-bottom:1px solid var(--line);
  }

  .sidebar-head h1{
    font-size:21px;
  }

  .sidebar-head p{
    font-size:11px;
  }

  .search-details{
    background:#fff;
    border-bottom:1px solid var(--line);
  }

  .topic-list{
    padding-bottom:16px;
  }

  .topic-row{
    background:#fff;
    margin:0;
    border-radius:0;
    padding:13px 14px;
    border-bottom:1px solid var(--line);
  }

  .topic-row.active{
    background:#fff;
  }

  .row-top strong{
    font-size:15px;
  }

  .row-snippet{
    font-size:13px;
  }

  .section-title{
    background:#f4f4f5;
    padding:10px 14px 6px;
    position:sticky;
    top:0;
    z-index:2;
  }

  .closed-title{
    border-top:0;
  }

  .chat-head{
    min-height:62px;
    padding:9px 12px;
    display:block;
    background:#fff;
    position:sticky;
    top:0;
    z-index:3;
  }

  .mobile-back-link{
    display:inline-block;
    font-size:13px;
    color:var(--blue);
    margin-bottom:5px;
    font-weight:700;
  }

  .chat-head h2{
    font-size:17px;
    line-height:1.25;
    margin:0 0 5px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }

  .thread-meta{
    gap:4px;
    overflow-x:auto;
    white-space:nowrap;
    flex-wrap:nowrap;
    -webkit-overflow-scrolling:touch;
  }

  .thread-meta span{
    font-size:11px;
    flex:0 0 auto;
  }

  .messages{
    flex:1;
    overflow-y:auto;
    padding:12px 10px 150px;
    background:#fff;
    -webkit-overflow-scrolling:touch;
  }

  .message{
    margin-bottom:10px;
  }

  .bubble{
    max-width:88vw;
    border-radius:14px;
    padding:10px 11px;
  }

  .msg-meta{
    font-size:10px;
    margin-bottom:5px;
  }

  .msg-body{
    font-size:14px;
    line-height:1.55;
  }

  .message.mine .bubble{
    background:#eaf2ff;
  }

  .chat-image{
    max-width:72vw;
    max-height:220px;
  }

  .reply-box{
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    z-index:5;
    background:#fff;
    border-top:1px solid var(--line);
    padding:9px 10px calc(9px + env(safe-area-inset-bottom));
    display:grid;
    gap:6px;
  }

  .reply-box textarea{
    min-height:54px;
    max-height:120px;
    font-size:16px;
    border-radius:12px;
  }

  .reply-tools,
  .reply-tools.one-line{
    grid-template-columns:1fr;
    gap:6px;
  }

  .reply-tools input[type="file"]{
    font-size:12px;
  }

  .reply-box button.primary{
    width:100%;
    padding:10px;
    border-radius:12px;
  }

  .check-inline{
    font-size:12px;
  }

  .message-actions{
    font-size:11px;
  }

  .edit-message-form textarea{
    font-size:14px;
    min-height:64px;
  }

  .page{
    height:calc(100vh - 52px);
    overflow:auto;
    padding:14px;
  }

  .compose-card{
    border-radius:12px;
    padding:14px;
  }

  .grid2{
    grid-template-columns:1fr;
  }
}

.mobile-menu{
  position:relative;
  display:inline-block;
}

.mobile-menu summary{
  list-style:none;
  cursor:pointer;
  padding:8px 10px;
  border-radius:8px;
  font-size:13px;
  color:#374151;
}

.mobile-menu summary::-webkit-details-marker{
  display:none;
}

.mobile-menu summary:hover{
  background:#f3f4f6;
}

.mobile-menu-body{
  position:absolute;
  right:0;
  top:34px;
  z-index:30;
  min-width:150px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  box-shadow:0 12px 28px rgba(15,23,42,.16);
  padding:6px;
}

.mobile-menu-body a{
  display:block;
  padding:9px 10px;
  border-radius:8px;
  font-size:13px;
  white-space:nowrap;
}

.mobile-menu-body a:hover{
  background:#f3f4f6;
}

@media(max-width:760px){
  .topbar{
    overflow:visible;
  }

  .brand{
    flex:1;
    min-width:0;
  }

  .brand strong{
    font-size:13px;
    display:block;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }

  .topbar nav.topnav{
    flex:0 0 auto;
    overflow:visible;
    display:flex;
    align-items:center;
    gap:3px;
  }

  .topbar nav.topnav > a{
    display:none;
  }

  .topbar nav.topnav > a.mobile-main{
    display:inline-block;
    font-size:12px;
    padding:7px 8px;
  }

  .mobile-menu{
    display:inline-block;
  }

  .mobile-menu summary{
    font-size:12px;
    padding:7px 8px;
    background:#f3f4f6;
  }

  .mobile-menu-body{
    right:0;
    top:32px;
  }
}

/* Launer order detail UI */
.page-head {
  max-width: 1100px;
  margin: 18px auto 12px;
  padding: 0 16px;
}

.page-head h1 {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.25;
}

.page-head p {
  margin: 0;
  color: #555;
}

.card {
  max-width: 1100px;
  margin: 14px auto;
  padding: 18px;
  background: #fff;
  border: 1px solid #e7e7e7;
  border-radius: 14px;
  box-shadow: 0 2px 12px rgba(0,0,0,.04);
}

.card h2 {
  margin: 0 0 14px;
  font-size: 18px;
}

.card label {
  display: block;
  margin: 14px 0 6px;
  font-weight: 700;
  color: #333;
}

.card input[type="text"],
.card input[type="date"],
.card input[type="file"],
.card input:not([type]),
.card textarea,
.card select {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: 1px solid #d8d8d8;
  border-radius: 10px;
  font-size: 15px;
  background: #fff;
}

.card textarea {
  min-height: 110px;
  line-height: 1.5;
}

.primary,
.button,
button.primary {
  display: inline-block;
  padding: 9px 14px;
  border-radius: 10px;
  border: 0;
  background: #111;
  color: #fff !important;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}

.button {
  background: #f3f3f3;
  color: #111 !important;
  border: 1px solid #ddd;
}

.alert {
  max-width: 1100px;
  margin: 14px auto;
  padding: 12px 14px;
  border-radius: 10px;
  background: #fff3f3;
  border: 1px solid #ffd0d0;
  color: #8a1f1f;
}

.message {
  padding: 14px 0;
  border-bottom: 1px solid #eee;
}

.message:last-child {
  border-bottom: 0;
}

.message-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
  font-size: 13px;
  color: #666;
}

.message-meta strong {
  font-size: 15px;
  color: #111;
}

.message-meta span {
  background: #f5f5f5;
  border-radius: 999px;
  padding: 3px 8px;
}

.message-body {
  padding: 10px 12px;
  background: #f7f8fa;
  border-radius: 12px;
  line-height: 1.55;
  white-space: normal;
  word-break: break-word;
}

@media (max-width: 760px) {
  main {
    padding: 0;
  }

  .page-head {
    margin: 14px auto 8px;
    padding: 0 12px;
  }

  .page-head h1 {
    font-size: 19px;
  }

  .card {
    margin: 10px 10px;
    padding: 14px;
    border-radius: 12px;
  }

  .card h2 {
    font-size: 16px;
  }

  .message {
    padding: 12px 0;
  }

  .message-meta {
    gap: 5px;
    font-size: 12px;
  }

  .message-meta span {
    padding: 2px 7px;
  }

  .message-body {
    font-size: 15px;
  }

  .primary,
  .button,
  button.primary {
    width: 100%;
    box-sizing: border-box;
    text-align: center;
    margin: 4px 0;
  }
}

/* Launer order list UI */
.order-list-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.section-title-row h2 {
  margin: 0;
}

.count-pill {
  min-width: 28px;
  padding: 4px 9px;
  border-radius: 999px;
  background: #111;
  color: #fff;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
}

.muted {
  color: #777;
}

.order-card-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.order-card {
  display: block;
  color: inherit;
  text-decoration: none;
  padding: 14px;
  border: 1px solid #e5e5e5;
  border-radius: 14px;
  background: #fafafa;
  transition: transform .08s ease, box-shadow .08s ease, background .08s ease;
}

.order-card:hover {
  background: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,.07);
  transform: translateY(-1px);
}

.order-title-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.order-no {
  font-size: 16px;
}

.order-title {
  margin-top: 5px;
  font-size: 15px;
  font-weight: 700;
}

.order-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 9px;
  font-size: 12px;
  color: #666;
}

.order-meta span {
  padding: 3px 8px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #eee;
}

.status-pill {
  white-space: nowrap;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: #eee;
}

.status-active {
  background: #eef3ff;
}

.status-wait-launer {
  background: #fff3d6;
}

.status-wait-hit {
  background: #f4e8ff;
}

.status-shipped {
  background: #e6f7ee;
}

.status-done {
  background: #e7e7e7;
}

.status-issue {
  background: #ffe2e2;
}

@media (max-width: 760px) {
  .order-list-head {
    display: block;
  }

  .order-list-head .primary {
    margin-top: 12px;
  }

  .order-title-row {
    display: block;
  }

  .status-pill {
    display: inline-block;
    margin-top: 8px;
  }

  .order-meta {
    display: block;
  }

  .order-meta span {
    display: inline-block;
    margin: 3px 3px 0 0;
  }
}