:root{--bg: #f4f6f9;--card: #ffffff;--text: #1f2937;--muted: #6b7280;--primary: #1d4ed8;--primary-dark: #1e40af;--border: #d1d5db;--error-bg: #fef2f2;--error: #b91c1c;--success-bg: #f0fdf4;--success: #166534;--info-bg: #eff6ff;--info: #1e3a8a;font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.7}*{box-sizing:border-box}body{margin:0}h1,h2,h3,p{margin-top:0}code{background:#eef0f3;padding:.1em .4em;border-radius:4px;font-size:.9em}.page{min-height:100vh;display:flex;flex-direction:column}.container{width:100%;max-width:640px;margin:0 auto;padding:0 16px}main.container{flex:1;padding-top:16px;padding-bottom:32px}.site-header{background:var(--primary);color:#fff;padding:14px 0 16px}.site-title{margin:0;font-size:.8rem;opacity:.85}.group-name{margin:2px 0 0;font-size:1.4rem;line-height:1.4}.shop-name{display:block;font-size:1rem;font-weight:400;opacity:.95}.site-footer{text-align:center;color:var(--muted);font-size:.8rem;padding:16px 0}.card{background:var(--card);border-radius:12px;padding:20px;margin-bottom:16px;box-shadow:0 1px 3px #00000014}.card h2{font-size:1.2rem;margin-bottom:12px}.card h3{font-size:1.05rem;margin-bottom:12px}.sub-title{font-size:1.05rem;margin-bottom:8px}.tabs{display:flex;gap:4px;border-bottom:2px solid var(--border);margin-bottom:16px}.tab{flex:1;background:none;border:none;padding:10px 8px;font:inherit;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.field{margin-bottom:14px}.field label{display:block;font-weight:600;margin-bottom:4px;font-size:.95rem}.field input{width:100%;padding:10px 12px;font:inherit;border:1px solid var(--border);border-radius:8px;background:#fff}.field input:focus{outline:2px solid var(--primary);outline-offset:1px;border-color:var(--primary)}.checkbox-field{display:flex;gap:10px;align-items:flex-start;margin-bottom:16px;padding:12px;background:#f9fafb;border:1px solid var(--border);border-radius:8px}.checkbox-field input{margin-top:6px;width:18px;height:18px;flex:none}.checkbox-field label{font-weight:600;font-size:.95rem}.checkbox-field small{display:block;font-weight:400;color:var(--muted);font-size:.82rem;line-height:1.6}.btn{display:inline-block;padding:10px 18px;font:inherit;font-weight:600;color:#fff;background:var(--primary);border:1px solid var(--primary);border-radius:8px;cursor:pointer;text-decoration:none;text-align:center}.btn:hover:not(:disabled){background:var(--primary-dark)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:#fff;color:var(--primary)}.btn-secondary:hover:not(:disabled){background:#eff6ff}.btn-block{width:100%}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.link{background:none;border:none;color:var(--primary);text-decoration:underline;font:inherit;cursor:pointer;padding:4px}.center{text-align:center;margin:14px 0 0}.notice{padding:12px 14px;border-radius:8px;margin-bottom:14px;font-size:.95rem;word-break:break-word}.notice-error{background:var(--error-bg);color:var(--error);border:1px solid #fecaca}.notice-success{background:var(--success-bg);color:var(--success);border:1px solid #bbf7d0}.notice-info{background:var(--info-bg);color:var(--info);border:1px solid #bfdbfe}.muted{color:var(--muted)}.small{font-size:.82rem}.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.row-between h2{margin:0}.info{margin:0 0 12px}.info-row{display:flex;gap:12px;padding:8px 0;border-bottom:1px solid #eef0f3}.info-row dt{flex:0 0 11em;color:var(--muted);font-size:.9rem}.info-row dd{margin:0;flex:1;word-break:break-word}.spinner-wrap{display:flex;align-items:center;gap:10px;justify-content:center;padding:24px 0;color:var(--muted)}.spinner{width:20px;height:20px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:480px){.card{padding:16px}.info-row{flex-direction:column;gap:0}.info-row dt{flex:none}.btn{width:100%}}.field select{width:100%;padding:10px 12px;font:inherit;border:1px solid var(--border);border-radius:8px;background:#fff}.field select:focus{outline:2px solid var(--primary);outline-offset:1px;border-color:var(--primary)}.field input[aria-invalid=true],.field select[aria-invalid=true]{border-color:var(--error);background:var(--error-bg)}.field-inline{display:flex;gap:8px}.field-error{color:var(--error);font-size:.85rem;margin:4px 0 0}.card .row-between+.notice,.card .row-between+.info{margin-top:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.search-form{display:flex;gap:8px;margin:14px 0 6px}.search-form input{flex:1;min-width:0;padding:12px;font:inherit;font-size:1rem;border:1px solid var(--border);border-radius:8px}.search-form input:focus{outline:2px solid var(--primary);outline-offset:1px;border-color:var(--primary)}.result-list{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.result-item{width:100%;display:grid;grid-template-columns:auto 1fr;gap:4px 12px;text-align:left;font:inherit;padding:10px 12px;background:#fff;border:1px solid var(--border);border-radius:8px;cursor:pointer}.result-item:hover{border-color:var(--primary)}.result-item.selected{border-color:var(--primary);background:var(--info-bg);box-shadow:inset 0 0 0 1px var(--primary)}.result-no{font-weight:700;color:var(--primary);align-self:center}.result-main{display:flex;flex-direction:column;min-width:0;word-break:break-all}.result-counts{grid-column:1 / -1;color:var(--muted)}.counter-current{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:8px 0 14px}.counter-box{display:flex;flex-direction:column;align-items:center;padding:10px 4px;background:#f9fafb;border:1px solid var(--border);border-radius:8px}.counter-num{font-size:2rem;line-height:1.2}.big-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px}.big-group{display:flex;flex-direction:column;gap:6px}.big-btn{font-size:1.15rem;padding:18px 4px}.minus-btn{padding:6px 4px;font-size:.85rem}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-danger{background:#fff;color:var(--error);border-color:var(--error)}.pending-box{margin:14px 0 6px;padding:12px 14px;background:var(--info-bg);border:1px solid #bfdbfe;border-radius:8px;font-size:1.05rem}.confirm-box{margin-top:14px;padding:14px;border:2px solid var(--primary);border-radius:10px;background:#fff}.confirm-box h3{margin:0 0 6px}.confirm-member{font-weight:700;margin:0 0 6px}.confirm-list{margin:0 0 12px;padding-left:20px;font-size:1.05rem}.revert-box{margin-top:16px;padding-top:14px;border-top:1px dashed var(--border)}.history-title{margin:20px 0 8px;font-size:1rem}.history{list-style:none;margin:0;padding:0}.history-item{padding:8px 0;border-bottom:1px solid #eef0f3}.history-item.is-revert{color:var(--muted)}.tag{display:inline-block;margin-left:8px;padding:1px 8px;font-size:.75rem;color:var(--muted);border:1px solid var(--border);border-radius:999px}