:root{
  --green:#6CB209; --green-dark:#4f8607; --green-deep:#1C3100; --ink:#3A3C3B; --ink-2:#222;
  --bg:#ffffff; --bg-2:#F0F2F1; --line:#CACCCB; --muted:#6b6f6d; --warn:#F0960A; --danger:#c8371d; --info:#1e73d8;
  --radius:10px; --shadow:0 2px 10px rgba(0,0,0,.08);
  --font:"Roboto","Noto Sans JP",system-ui,-apple-system,sans-serif; --font-head:"Roboto Slab","Noto Sans JP",serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font);color:var(--ink);background:var(--bg-2);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--green-dark);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--font-head);color:var(--ink-2);margin:0 0 .5em;line-height:1.25}
h1{font-size:1.6rem}h2{font-size:1.25rem}h3{font-size:1.05rem}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.main{padding:20px 16px 48px;min-height:60vh}
.muted{color:var(--muted)}.small{font-size:.86rem}.right{text-align:right}.center{text-align:center}
.inline{display:inline}
.linklike{background:none;border:0;color:inherit;font:inherit;cursor:pointer;padding:0}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.grid{display:grid;gap:16px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card + .card{margin-top:16px}

/* top bar */
.topbar{background:var(--green-deep);color:#fff;position:sticky;top:0;z-index:30}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-head);font-weight:700;font-size:1.05rem}
.brand:hover{text-decoration:none}
.brand-mark{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#000;border:2px solid #c9a24a;color:#c9a24a;font-size:.8rem;letter-spacing:.5px}
.nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.nav a,.nav button{color:#e8f2dc;padding:8px 10px;border-radius:6px;font-weight:500;font-size:.93rem}
.nav a:hover,.nav button:hover{background:rgba(255,255,255,.1);text-decoration:none}
.nav a.active{background:var(--green);color:#fff}
.nav .admin-link{border:1px solid rgba(255,255,255,.35)}
.nav .lang{border:1px solid var(--green);color:#fff}
.badge{background:var(--warn);color:#fff;border-radius:10px;padding:0 6px;font-size:.72rem;margin-left:3px;vertical-align:top}
.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.4);color:#fff;font-size:1.2rem;border-radius:6px;padding:4px 10px}
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:60px;background:var(--green-deep);padding:10px 16px 14px;flex-direction:column;align-items:stretch}
  body.nav-open .nav{display:flex}
}

/* window banner */
.window-banner{padding:9px 0;font-size:.92rem;border-bottom:1px solid var(--line)}
.window-banner.open{background:#e9f6d6;color:#254a00}
.window-banner.closed{background:#f6f2e6;color:#5d4a10}
.window-banner .hint{display:block;color:var(--muted);font-size:.82rem;margin-top:2px}
.pill{display:inline-block;padding:1px 8px;border-radius:12px;font-size:.78rem;font-weight:600;background:var(--bg-2);color:var(--ink)}
.pill.warn{background:var(--warn);color:#fff}.pill.ok{background:var(--green);color:#fff}.pill.danger{background:var(--danger);color:#fff}
.pill.info{background:var(--info);color:#fff}.pill.muted{background:#dfe3e1;color:#444}

.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-weight:500}
.flash.ok{background:#e9f6d6;color:#254a00;border:1px solid #bfe08c}
.flash.err{background:#fde8e4;color:#7a1d0b;border:1px solid #f2b7aa}

/* forms & buttons */
label{display:block;font-weight:500;margin:10px 0 4px;font-size:.9rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=search],input[type=datetime-local],select,textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
textarea{min-height:80px}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(108,178,9,.4);border-color:var(--green)}
.btn{display:inline-block;padding:9px 16px;border-radius:8px;border:1px solid var(--green-dark);background:var(--green);color:#fff;font:inherit;font-weight:600;cursor:pointer;text-align:center}
.btn:hover{background:var(--green-dark);text-decoration:none}
.btn.secondary{background:#fff;color:var(--ink);border-color:var(--line)}.btn.secondary:hover{background:var(--bg-2)}
.btn.danger{background:var(--danger);border-color:#a52d17}.btn.warn{background:var(--warn);border-color:#c07800}
.btn.sm{padding:5px 10px;font-size:.84rem}.btn.block{width:100%}.btn.big{padding:13px 22px;font-size:1.05rem}
.btn[disabled],.btn.disabled{opacity:.5;cursor:not-allowed;pointer-events:none}
.field-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}

/* tables */
table{width:100%;border-collapse:collapse;background:#fff;font-size:.92rem}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--green-deep);color:#fff;font-weight:600;font-size:.84rem;position:sticky;top:60px}
tr:nth-child(even) td{background:#fafbfa}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius)}
.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}

/* catalog */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:14px}
.toolbar > *{flex:1 1 160px}.toolbar .grow{flex:3 1 260px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{padding:6px 12px;border-radius:20px;border:1px solid var(--line);background:#fff;font-size:.88rem}
.chip.active{background:var(--green);color:#fff;border-color:var(--green-dark)}
.items{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.item-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;position:relative;transition:box-shadow .15s}
.item-card:hover{box-shadow:var(--shadow)}
.item-card .thumb{aspect-ratio:1/1;background:#f4f5f4;display:grid;place-items:center;overflow:hidden}
.item-card .thumb img{width:100%;height:100%;object-fit:cover}
.item-card .body{padding:10px 12px 12px;display:flex;flex-direction:column;gap:4px;flex:1}
.item-card .title{font-weight:600;color:var(--ink-2);line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item-card .lot{font-size:.78rem;color:var(--muted)}
.item-card .price{font-weight:700;color:var(--green-deep)}
.item-card a.cover{position:absolute;inset:0}
.item-card .tags{position:absolute;top:8px;left:8px;display:flex;gap:4px;z-index:2}
.item-card .star{position:absolute;top:6px;right:6px;z-index:3}
.star button{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:50%;width:32px;height:32px;cursor:pointer;font-size:1rem}
.star button.on{color:var(--warn)}
.pager{display:flex;gap:8px;justify-content:center;margin-top:20px;align-items:center}

/* item page */
.item-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:22px}
@media (max-width:900px){.item-layout{grid-template-columns:1fr}}
.gallery{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.gallery h2{display:flex;align-items:center;gap:8px;font-size:1rem}
.gallery.source h2::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--info)}
.gallery.inspection{border-left:5px solid var(--green)}
.gallery.inspection h2::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--green)}
.gallery .main-img{aspect-ratio:4/3;background:#f4f5f4;display:grid;place-items:center;border-radius:8px;overflow:hidden;cursor:zoom-in}
.gallery .main-img img{max-width:100%;max-height:100%;object-fit:contain}
.thumbs{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.thumbs img{width:64px;height:64px;object-fit:cover;border-radius:6px;border:2px solid transparent;cursor:pointer}
.thumbs img.active{border-color:var(--green)}
.gallery .cap{font-size:.86rem;color:var(--muted);margin-top:6px;min-height:1.2em}
.insp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px;margin-top:8px}
.insp-grid figure{margin:0;cursor:zoom-in}
.insp-grid img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:6px}
.insp-grid figcaption{font-size:.78rem;color:var(--muted);margin-top:2px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:.93rem}
.kv dt{color:var(--muted)}.kv dd{margin:0;font-weight:500}
.bigprice{font-size:1.5rem;font-weight:700;color:var(--green-deep);font-family:var(--font-head)}
.estimate{background:var(--bg-2);border-radius:8px;padding:10px 12px;margin:10px 0;font-size:.92rem}
.estimate .line{display:flex;justify-content:space-between;padding:2px 0}
.estimate .total{border-top:1px solid var(--line);margin-top:4px;padding-top:6px;font-weight:700;font-size:1.05rem}
.ack{display:flex;gap:10px;align-items:flex-start;background:#fff8e6;border:1px solid #f1d58a;padding:10px;border-radius:8px;font-size:.88rem;margin:10px 0}
.ack input{margin-top:3px;width:18px;height:18px}
.status-pending{background:#dfe3e1}.status-accepted{background:#d7e9ff;color:#0b3f7a}.status-bid_placed{background:#dfe3ff;color:#2a2f8f}
.status-won{background:var(--green);color:#fff}.status-lost{background:#f2d0c8;color:#7a1d0b}.status-cancelled,.status-rejected{background:#eee;color:#666}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);display:none;z-index:100;align-items:center;justify-content:center;flex-direction:column}
.lightbox.on{display:flex}
.lightbox img{max-width:96vw;max-height:84vh;object-fit:contain;touch-action:pinch-zoom}
.lightbox .lb-cap{color:#ddd;margin-top:8px;font-size:.9rem}
.lightbox .lb-close{position:absolute;top:12px;right:16px;color:#fff;font-size:2rem;background:none;border:0;cursor:pointer}
.lightbox .lb-nav{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:2.4rem;background:rgba(0,0,0,.3);border:0;cursor:pointer;padding:10px 14px}
.lightbox .lb-prev{left:6px}.lightbox .lb-next{right:6px}

/* login */
.auth{max-width:420px;margin:40px auto}
.auth .card{padding:26px}
.auth .brand-big{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.auth .brand-big .brand-mark{width:48px;height:48px;font-size:1rem}

/* admin */
.admin-layout{display:grid;grid-template-columns:210px 1fr;gap:18px}
@media (max-width:900px){.admin-layout{grid-template-columns:1fr}}
.admin-nav{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px;align-self:start;position:sticky;top:70px}
.admin-nav a{display:block;padding:8px 10px;border-radius:6px;color:var(--ink);font-weight:500}
.admin-nav a.active,.admin-nav a:hover{background:var(--bg-2);text-decoration:none}
.admin-nav a.active{color:var(--green-dark);font-weight:700}
.admin-nav .sec{font-size:.72rem;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);padding:10px 10px 2px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.stat .n{font-size:1.7rem;font-weight:700;font-family:var(--font-head);color:var(--green-deep)}
.stat .l{color:var(--muted);font-size:.85rem}
.lot-group{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:14px;overflow:hidden}
.lot-head{display:flex;gap:12px;align-items:center;padding:10px 14px;background:var(--bg-2);border-bottom:1px solid var(--line)}
.lot-head img{width:56px;height:56px;object-fit:cover;border-radius:6px}
.deadline-soon{color:var(--danger);font-weight:700}
.photo-admin{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:10px}
.photo-admin .ph{border:1px solid var(--line);border-radius:8px;padding:6px;background:#fff;cursor:grab}
.photo-admin .ph.dragging{opacity:.4}
.photo-admin .ph img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:6px}
.photo-admin .ph input{margin-top:4px;font-size:.8rem;padding:5px 7px}
.photo-admin .ph .ctl{display:flex;gap:4px;margin-top:4px;align-items:center;font-size:.78rem}
.photo-admin .ph.private{outline:2px dashed var(--warn)}
.dropzone{border:2px dashed var(--line);border-radius:var(--radius);padding:22px;text-align:center;color:var(--muted);background:#fff}
.dropzone.over{border-color:var(--green);background:#f3fae9}
.progress{height:8px;background:var(--bg-2);border-radius:4px;overflow:hidden;margin-top:8px;display:none}
.progress > div{height:100%;background:var(--green);width:0}
details summary{cursor:pointer;font-weight:600}
pre{white-space:pre-wrap;background:var(--bg-2);padding:10px;border-radius:8px;font-size:.8rem}
.footer{background:var(--green-deep);color:#cfe3b7;padding:22px 0;font-size:.85rem}
.footer .muted{color:#9db87e}