:root{--bg:#f6f7f9;--card:#ffffff;--line:#e6e8eb;--text:#1a1d21;--muted:#6b7280;--primary:#111827;--primary-ink:#ffffff;--accent:#06c755;--danger:#dc2626;--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,system-ui,sans-serif;font-size:14px;line-height:1.6}a{color:inherit;text-decoration:none}a.link{text-decoration:underline;text-underline-offset:2px}a.link:hover{color:var(--primary)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;background:var(--card);border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:10}.topbar .brand{font-weight:700;font-size:15px;letter-spacing:.2px}.topbar .brand span{color:var(--accent)}.container{max-width:880px;margin:0 auto;padding:28px 22px 64px}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px}.page-head h1{font-size:20px;margin:0}.muted{color:var(--muted)}.small{font-size:12.5px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}.card+.card{margin-top:16px}.card h2{font-size:15px;margin:0 0 12px}.stack>*+*{margin-top:14px}.store-row{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--card);transition:border-color .12s,box-shadow .12s}.store-row+.store-row{margin-top:10px}.store-row:hover{border-color:#cfd4da;box-shadow:0 1px 4px rgba(0,0,0,.04)}.store-row .name{font-weight:600}.badge{display:inline-block;font-size:11.5px;padding:2px 8px;border-radius:999px;background:#eef1f4;color:var(--muted)}.badge.green{background:#e6f8ee;color:#067a3b}.badge.amber{background:#fff7e6;color:#a16207}label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:5px;font-weight:600}input[type=password],input[type=text],input[type=url],select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--text);font:inherit}input:focus,textarea:focus{outline:2px solid #c7d2fe;border-color:#a5b4fc}textarea{min-height:120px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}.field+.field{margin-top:12px}.row2{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}.btn{display:inline-flex;align-items:center;gap:6px;justify-content:center;padding:10px 16px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--text);font:inherit;font-weight:600;cursor:pointer}.btn:hover{background:#f3f4f6}.btn.primary{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}.btn.primary:hover{background:#2a2f3a}.btn.ghost{border-color:transparent;background:transparent;color:var(--muted)}.btn.danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn.danger:hover{background:#b91c1c}.btn.sm{padding:7px 12px;font-size:12.5px}.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:12px;gap:12px}.product{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}.product .thumb{aspect-ratio:1/1;background:#f0f2f4 50%/cover no-repeat;display:flex;align-items:center;justify-content:center;color:#aab;font-size:11px}.product .pinfo{padding:8px 10px}.product .pname{font-size:12.5px;font-weight:600;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product .pprice{font-size:12px;color:var(--muted);margin-top:3px}.alert{padding:10px 14px;border-radius:9px;font-size:13px}.alert.err{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.alert.ok{background:#e6f8ee;color:#067a3b;border:1px solid #b7ebcd}.alert.warn{background:#fff7e6;color:#a16207;border:1px solid #fde68a}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:22px}.login-card{width:100%;max-width:360px}.login-card h1{font-size:18px;margin:0 0 4px}.store-layout{display:flex;gap:20px;align-items:flex-start}.store-tabs{position:-webkit-sticky;position:sticky;top:64px;flex-shrink:0;width:170px;display:flex;flex-direction:column;gap:4px}.store-tab{display:block;padding:9px 12px;border-radius:9px;border:1px solid transparent;color:var(--muted);font-weight:600;font-size:13.5px}.store-tab:hover{background:#eef1f4}.store-tab.active{background:var(--card);border-color:var(--line);color:var(--text);box-shadow:0 1px 3px rgba(0,0,0,.05)}.store-tab .st-sub{display:block;font-weight:400;font-size:11.5px;color:var(--muted);margin-top:1px}.store-main{flex:1 1;min-width:0}@media (max-width:680px){.store-layout{flex-direction:column}.store-tabs{position:static;flex-direction:row;width:auto;overflow-x:auto;gap:6px;padding-bottom:2px}.store-tab{white-space:nowrap}.store-tab .st-sub{display:none}}