:root{
  --paper:#FAFAF8; --card:#FFFFFF; --ink:#1F2421; --ink-soft:#5C625C; --ink-mute:#8A8F89;
  --line:#E8E6DF; --line-strong:#D9D6CD; --accent:#2A6F6B; --accent-soft:#E4EFED; --accent-ink:#194C48;
  --brick:#B44A32; --brick-soft:#F6E7E2; --amber:#9A6B12; --amber-soft:#F5ECD8;
  --pine:#2A6F6B; --pine-soft:#E1EEEC; --nav:#F4F2EC; --radius:12px;
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#161815; --card:#1F221E; --ink:#ECEDE8; --ink-soft:#B4B8B1; --ink-mute:#868B83;
    --line:#2E322C; --line-strong:#3A3F38; --accent:#4FB3AC; --accent-soft:#22302E; --accent-ink:#8FD6CF;
    --brick:#E08a6f; --brick-soft:#33241f; --amber:#D6A94E; --amber-soft:#302a1c;
    --pine:#4FB3AC; --pine-soft:#22302E; --nav:#1B1E1A;
  }
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic",system-ui,sans-serif;
  background:var(--paper); color:var(--ink); line-height:1.6; font-size:14px; -webkit-font-smoothing:antialiased}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit}
a{color:var(--accent)}

.topbar{display:flex;align-items:center;gap:12px;padding:13px 20px;border-bottom:1px solid var(--line);background:var(--card)}
.topbar .logo{width:26px;height:26px;border-radius:7px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;text-decoration:none}
.topbar h1{font-size:16px;margin:0;font-weight:600}
.topbar nav{margin-left:auto;display:flex;gap:4px}
.topbar nav a{color:var(--ink-soft);text-decoration:none;font-size:13px;padding:7px 12px;border-radius:8px}
.topbar nav a:hover{background:var(--paper)}
.topbar nav a.on{background:var(--accent-soft);color:var(--accent-ink);font-weight:600}

.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(16px);background:var(--ink);color:var(--paper);
  padding:10px 18px;border-radius:10px;font-size:13px;opacity:0;pointer-events:none;transition:.22s;z-index:50}
.toast.show{opacity:1;transform:translateX(-50%)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* ===== サイドバー型レイアウト（エルメ風） ===== */
.shell{display:flex;min-height:100vh}

.side{width:216px;flex-shrink:0;background:var(--nav);border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side .brand{display:flex;align-items:center;gap:10px;padding:18px 18px 14px}
.side .brand .mk{width:30px;height:30px;border-radius:9px;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0}
.side .brand .nm{font-weight:700;font-size:15px;letter-spacing:.01em}

.side .acctbox{padding:0 14px 12px}
.side .acctbox select{width:100%;border:1px solid var(--line-strong);background:var(--card);color:var(--ink);
  border-radius:9px;padding:8px 10px;font-size:12.5px;font-weight:600}

.side .menu{flex:1;overflow-y:auto;padding:6px 10px}
.side .sect{font-size:10.5px;font-weight:700;color:var(--ink-mute);letter-spacing:.08em;
  padding:12px 8px 6px;text-transform:uppercase}
.side .menu a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;
  color:var(--ink-soft);text-decoration:none;font-size:13.5px;margin-bottom:1px}
.side .menu a:hover{background:var(--card);color:var(--ink)}
.side .menu a.on{background:var(--accent-soft);color:var(--accent-ink);font-weight:600}
.side .menu a .ic{width:17px;height:17px;flex-shrink:0;opacity:.85}
.side .menu a .badge{margin-left:auto;background:#D9534F;color:#fff;font-size:10.5px;font-weight:700;
  min-width:17px;height:17px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;padding:0 5px}

.side .foot{padding:12px 14px;border-top:1px solid var(--line)}
.side .foot .who{font-size:12px;color:var(--ink-mute);margin-bottom:7px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side .foot button{width:100%;border:1px solid var(--line-strong);background:transparent;color:var(--ink-mute);
  border-radius:8px;padding:7px;font-size:12.5px}
.side .foot button:hover{border-color:var(--accent);color:var(--accent)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.mhead{display:flex;align-items:center;gap:12px;padding:16px 24px;border-bottom:1px solid var(--line);background:var(--card)}
.mhead h1{margin:0;font-size:17px;font-weight:600}
.mhead .sub{font-size:12.5px;color:var(--ink-mute);margin-left:2px}
.mbody{flex:1;min-height:0}

@media(max-width:860px){
  .side{width:60px}
  .side .brand .nm,.side .menu a span:not(.badge),.side .sect,.side .acctbox,.side .foot .who{display:none}
  .side .menu a{justify-content:center;padding:11px 0}
  .side .foot button{font-size:0;padding:9px;position:relative;height:32px}
  .side .foot button::after{content:"";position:absolute;inset:0;
    background:currentColor;-webkit-mask:center/16px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round'%3E%3Cpath d='M12 4v8M7 6a8 8 0 1010 0'/%3E%3C/svg%3E");
    mask:center/16px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round'%3E%3Cpath d='M12 4v8M7 6a8 8 0 1010 0'/%3E%3C/svg%3E")}
}

/* ダッシュボード */
.dash{padding:24px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:22px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.kpi .lb{font-size:12px;color:var(--ink-mute);font-weight:600;margin-bottom:8px}
.kpi .vl{font-size:30px;font-weight:700;line-height:1;letter-spacing:-.02em}
.kpi .sb{font-size:11.5px;color:var(--ink-mute);margin-top:7px}
.kpi.alert .vl{color:var(--brick)}
.kpi.good .vl{color:var(--accent)}

.panels{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:760px){.panels{grid-template-columns:1fr}}
.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.panel h3{margin:0 0 14px;font-size:14px;font-weight:600}
.srow{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.srow .nmx{font-size:13px;min-width:96px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.srow .bar{flex:1;height:7px;background:var(--paper);border-radius:999px;overflow:hidden}
.srow .bar i{display:block;height:100%;background:var(--accent);border-radius:999px}
.srow .ct{font-size:12.5px;color:var(--ink-mute);font-weight:600;min-width:26px;text-align:right}
.quick{display:flex;flex-direction:column;gap:8px}
.quick a{display:flex;align-items:center;gap:10px;padding:11px 12px;border:1px solid var(--line);
  border-radius:10px;text-decoration:none;color:var(--ink);font-size:13.5px}
.quick a:hover{border-color:var(--accent);background:var(--accent-soft)}
.quick a .arw{margin-left:auto;color:var(--ink-mute)}

/* ===== モーダル（prompt/confirm の置き換え） ===== */
.mask{position:fixed;inset:0;background:rgba(0,0,0,.42);backdrop-filter:blur(2px);
  display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.mask.open{display:flex}
.modal{background:var(--card);border:1px solid var(--line);border-radius:16px;width:100%;max-width:440px;
  box-shadow:0 18px 50px rgba(0,0,0,.28);overflow:hidden;animation:mpop .16s ease-out}
@keyframes mpop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
.modal .mh{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 0}
.modal .mh h3{margin:0;font-size:16px;font-weight:600}
.modal .x{border:none;background:transparent;color:var(--ink-mute);font-size:20px;line-height:1;padding:2px 6px;border-radius:6px}
.modal .x:hover{background:var(--paper);color:var(--ink)}
.modal .mc{padding:16px 20px 4px}
.modal .mc .desc{font-size:13px;color:var(--ink-soft);line-height:1.7;margin:0 0 14px}
.modal label.ml{display:flex;align-items:baseline;justify-content:space-between;font-size:12.5px;font-weight:600;color:var(--ink-mute);margin-bottom:6px}
.modal label.ml .cnt{font-weight:500;color:var(--ink-mute)}
.modal input.mi{width:100%;border:1px solid var(--line-strong);border-radius:9px;padding:11px 12px;font-size:14px;
  background:var(--paper);color:var(--ink);box-sizing:border-box}
.modal input.mi:focus{outline:2px solid var(--accent);outline-offset:1px}
.modal .swatches{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.modal .sw{width:34px;height:34px;border-radius:50%;border:2px solid transparent;cursor:pointer;
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:700}
.modal .sw.on{border-color:var(--ink);box-shadow:0 0 0 2px var(--card) inset}
.modal .mf{display:flex;gap:9px;justify-content:flex-end;padding:16px 20px 20px}
.modal .mf button{border-radius:9px;padding:10px 18px;font-size:14px;font-weight:600;border:1px solid var(--line-strong);
  background:transparent;color:var(--ink-soft)}
.modal .mf button.pri{background:var(--accent);border-color:var(--accent);color:#fff}
.modal .mf button.danger{background:var(--brick);border-color:var(--brick);color:#fff}
.modal .list{max-height:220px;overflow-y:auto;margin-bottom:6px}
.modal .li{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px}
.modal .li:hover{background:var(--paper)}
.modal .li .dot{width:11px;height:11px;border-radius:50%;flex-shrink:0}
.modal .li .nm{flex:1;font-size:14px;font-weight:500}
.modal .li .del{border:none;background:transparent;color:var(--ink-mute);font-size:14px;padding:4px 7px;border-radius:6px}
.modal .li .del:hover{background:var(--brick-soft);color:var(--brick)}
.modal .addrow{display:flex;gap:8px;padding-top:10px;border-top:1px solid var(--line);margin-top:6px}
.modal .addrow input{flex:1}

/* ===== ドラッグ&ドロップ ===== */
.dropzone{position:absolute;inset:0;background:rgba(42,111,107,.10);border:2px dashed var(--accent);
  border-radius:12px;display:none;align-items:center;justify-content:center;z-index:30;pointer-events:none}
.dropzone.on{display:flex}
.dropzone .msg{background:var(--card);border:1px solid var(--accent);border-radius:12px;padding:14px 22px;
  font-size:14px;font-weight:600;color:var(--accent-ink);box-shadow:0 8px 24px rgba(0,0,0,.14)}
.uploading{font-size:12px;color:var(--ink-mute);padding:6px 14px}

/* ===== Web専用カルーセル（チャット内カード） ===== */
.cards{display:flex;gap:10px;overflow-x:auto;overflow-y:hidden;padding:2px 2px 10px;
  max-width:100%;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  align-items:stretch}
.cards::-webkit-scrollbar{height:6px}
.cards::-webkit-scrollbar-track{background:transparent}
.cards::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:999px}
.wcard{flex:0 0 min(70%,200px);scroll-snap-align:start;background:var(--card);border:1px solid var(--line);
  border-radius:13px;overflow:hidden;display:flex;flex-direction:column}
/* 画像は必ず16:9で切り抜き（縦長画像でカードが伸びるのを防ぐ） */
.wcard img{width:100%;height:112px;aspect-ratio:16/9;object-fit:cover;display:block;background:var(--paper);flex-shrink:0}
.wcard .cb{padding:11px 12px;flex:1;display:flex;flex-direction:column;gap:5px;min-height:0}
.wcard .ct{font-size:13.5px;font-weight:700;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.wcard .cx{font-size:12px;color:var(--ink-soft);line-height:1.55;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.wcard .cbtns{display:flex;flex-direction:column;gap:6px;padding:0 12px 12px;flex-shrink:0}
.wcard .cbtn{display:block;text-align:center;background:var(--accent);color:#fff;border-radius:8px;
  padding:9px 8px;font-size:12.5px;font-weight:600;text-decoration:none;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wcard .cbtn:hover{opacity:.9}
.wcard .cbtn.sub{background:transparent;color:var(--accent);border:1px solid var(--accent)}

/* ===== フォームカード（チャット内） ===== */
.formcard{background:var(--card);border:1px solid var(--accent);border-radius:13px;padding:14px;max-width:280px}
.formcard .ft{font-size:14px;font-weight:700;margin-bottom:5px}
.formcard .fd{font-size:12.5px;color:var(--ink-soft);line-height:1.6;margin-bottom:11px}
.formcard .fbtn{display:block;text-align:center;background:var(--accent);color:#fff;border-radius:8px;
  padding:9px;font-size:13px;font-weight:600;text-decoration:none}

/* SVGアイコン共通 */
.i{flex-shrink:0;vertical-align:-2px}
button .i,a .i{pointer-events:none}

/* セクション番号バッジ */
.stepno{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;
  border-radius:50%;background:var(--accent);color:#fff;font-size:11px;font-weight:700;
  margin-right:8px;flex-shrink:0}