:root{--color-canvas: oklch(98.4% .003 247.858);--color-surface: #fff;--color-line: oklch(92.9% .013 255.508);--color-line-weak: oklch(96.8% .007 247.896);--color-ink: oklch(20.8% .042 265.755);--color-ink-muted: oklch(55.4% .046 257.417);--color-accent: #1a7f5a;--color-accent-strong: #14654a;--color-accent-soft: #e8f4ef;--color-accent-soft-line: #bfe0d3;--color-danger: oklch(57.7% .245 27.325);--color-notice: oklch(96.2% .059 95.617);--color-notice-ink: oklch(41.4% .112 45.904);--color-notice-line: #e0b93f;--text-title: 17px;--text-body: 15px;--text-meta: 13px;--text-badge: 12px;--text-mini: 11px;--text-stat: 22px;--badge-info-bg: #e3ecf7;--badge-info-ink: #33567d;--badge-info-line: #b9cbe0;--badge-ok-bg: #e2f2ea;--badge-ok-ink: #1a6b4d;--badge-error-bg: #fbe4e0;--badge-error-ink: #a83226;--badge-review-bg: #f7ecc8;--badge-review-ink: #7d6414;--badge-locked-bg: #e9e9ee;--badge-locked-ink: #55556b;--nav-height: 60px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,sans-serif;font-size:var(--text-body);background:var(--color-canvas);color:var(--color-ink);-webkit-font-smoothing:antialiased}.app-main{max-width:720px;margin:0 auto;padding:16px 16px calc(var(--nav-height) + 24px + env(safe-area-inset-bottom,0px))}.page h1{font-size:var(--text-title);margin:8px 0 16px}h2{font-size:var(--text-body);margin:0 0 10px}.card{background:var(--color-surface);border:1px solid var(--color-line);border-radius:12px;padding:14px;margin-bottom:14px}.muted{color:var(--color-ink-muted)}.hint{color:var(--color-ink-muted);font-size:var(--text-meta);margin:8px 0 0}.error-text{color:var(--color-danger);font-size:var(--text-meta)}.info-banner{background:var(--color-accent-soft);border:1px solid var(--color-accent-soft-line);border-radius:8px;padding:8px 12px;font-size:var(--text-meta);display:flex;align-items:center;gap:8px}button{font:inherit;padding:8px 14px;border-radius:8px;border:1px solid var(--color-line);background:var(--color-surface);color:var(--color-ink);cursor:pointer}button:disabled{opacity:.5;cursor:default}.primary-button{width:100%;padding:14px;font-weight:600;color:#fff;background:var(--color-accent);border:none}.primary-button:not(:disabled):active{background:var(--color-accent-strong)}.danger-button{color:#fff;background:var(--color-danger);border:none}.button-row{display:flex;gap:8px;flex-wrap:wrap}input,select{font:inherit;padding:8px 10px;border:1px solid var(--color-line);border-radius:8px;background:var(--color-surface);max-width:100%}input,select,textarea,button{font-size:max(1rem,15px)}input:disabled,select:disabled{background:var(--color-line-weak);color:var(--color-ink-muted)}:where(a,button,input,select,textarea,[tabindex]):focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}button{min-height:44px}label{display:flex;flex-direction:column;gap:4px;font-size:var(--text-meta)}.form-stack{display:flex;flex-direction:column;gap:12px}.field{display:flex;flex-direction:column;gap:4px}.field-label{font-size:var(--text-meta)}.payer-group{display:flex;gap:8px;flex-wrap:wrap}.payer-option{flex-direction:row;align-items:center;gap:6px;padding:10px 18px;border:1.5px solid var(--color-line);border-radius:999px;font-size:var(--text-body);cursor:pointer}.payer-option.selected{border-color:var(--color-accent);background:var(--color-accent-soft);font-weight:600}.payer-option input{margin:0}.drop-zone{border-style:dashed}.preview-list{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:8px;padding:0;margin:12px 0 0}.preview-list li{position:relative}.preview-list img{width:100%;aspect-ratio:3 / 4;object-fit:cover;border-radius:8px;border:1px solid var(--color-line)}.remove-button{position:absolute;top:-6px;right:-6px;width:24px;height:24px;min-height:24px;padding:0;border-radius:50%;background:var(--color-ink);color:#fff;border:none;font-size:var(--text-mini)}.filter-bar{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.month-nav{background:var(--color-surface);border:1px solid var(--color-line);border-radius:12px;padding:4px 4px 8px}.month-nav.is-disabled .month-nav-row{opacity:.5}.month-nav-row{display:flex;align-items:center;justify-content:space-between}.month-nav-arrow{min-width:44px;min-height:44px;border:none;background:none;color:var(--color-accent);font-size:24px;line-height:1;padding:0}.month-nav-arrow:disabled{color:var(--color-line)}.month-nav-label{font-size:var(--text-title);font-weight:700}.month-nav-caption{text-align:center;color:var(--color-ink-muted);font-size:var(--text-meta);margin-top:-2px}.chip-group{display:flex;flex-wrap:wrap;gap:6px}.chip{border:1px solid var(--color-line);border-radius:999px;background:var(--color-surface);color:var(--color-ink);padding:7px 14px;font-size:var(--text-meta);min-height:44px}.chip.is-selected{background:var(--color-accent);border-color:var(--color-accent);color:#fff;font-weight:700}.receipt-list,.settlement-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}.receipt-card{background:var(--color-surface);border:1px solid var(--color-line);border-radius:12px;overflow:hidden}.receipt-card.needs-review{border-color:var(--color-notice-line);background:var(--color-notice)}.receipt-head{padding:12px 14px;cursor:pointer}.receipt-head-main{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.receipt-store{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.receipt-amount{font-weight:700;white-space:nowrap}.receipt-head-sub{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px;font-size:var(--text-badge);color:var(--color-ink-muted);align-items:center}.receipt-body{border-top:1px solid var(--color-line);padding:12px 14px;display:flex;flex-direction:column;gap:10px}.edit-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.edit-grid>label{min-width:0}.edit-grid input,.edit-grid select{width:100%}.receipt-meta{display:flex;gap:12px;flex-wrap:wrap;font-size:var(--text-badge);color:var(--color-ink-muted)}.receipt-detail{display:flex;flex-direction:column;gap:8px}.detail-heading{font-size:var(--text-meta);font-weight:600;color:var(--color-ink-muted)}.receipt-image{max-width:100%;max-height:420px;object-fit:contain;border-radius:8px;border:1px solid var(--color-line);align-self:center}.danger-zone{display:flex;gap:8px;align-items:center;font-size:var(--text-meta);border-top:1px dashed var(--color-line);padding-top:10px}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:999px;font-size:var(--text-badge);font-weight:600}.badge-pending,.badge-analyzing{background:var(--badge-info-bg);color:var(--badge-info-ink)}.badge-done{background:var(--badge-ok-bg);color:var(--badge-ok-ink)}.badge-error{background:var(--badge-error-bg);color:var(--badge-error-ink)}.badge-review{background:var(--badge-review-bg);color:var(--badge-review-ink)}.badge-locked{background:var(--badge-locked-bg);color:var(--badge-locked-ink)}.spinner{width:12px;height:12px;border:2px solid var(--badge-info-line);border-top-color:var(--badge-info-ink);border-radius:50%;display:inline-block;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.items-table,.trend-table{width:100%;border-collapse:collapse;font-size:var(--text-meta)}.items-table th,.items-table td,.trend-table th,.trend-table td{border-bottom:1px solid var(--color-line);padding:6px 8px;text-align:left}.num{text-align:right!important;font-variant-numeric:tabular-nums;white-space:nowrap}.neg{color:var(--color-danger)}.pos{color:var(--color-accent)}.table-scroll{overflow-x:auto}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.toggle-group{display:flex;border:1px solid var(--color-line);border-radius:8px;overflow:hidden}.toggle-group button{border:none;border-radius:0;padding:6px 14px;font-size:var(--text-meta);min-height:40px}.toggle-group button.active{background:var(--color-accent);color:#fff}.coverage-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}.stat{display:flex;flex-direction:column;gap:2px;padding:10px;background:var(--color-canvas);border-radius:8px}.stat-value{font-size:var(--text-stat);font-weight:700}.stat-label{font-size:var(--text-mini);color:var(--color-ink-muted)}.settlement-preview{margin-top:12px;display:flex;flex-direction:column;gap:12px}.settlement-preview-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;flex-wrap:wrap}.settlement-preview-range{font-size:var(--text-body);font-weight:600;color:var(--color-ink)}.settlement-preview-total{font-size:var(--text-stat);font-weight:700;color:var(--color-ink);font-variant-numeric:tabular-nums}.settlement-preview-count{font-size:var(--text-meta);font-weight:500;color:var(--color-ink-muted)}.settlement-warn{background:var(--color-notice);border:1px solid var(--color-notice-line);border-radius:8px;padding:8px 12px;font-size:var(--text-meta);font-weight:600;color:var(--color-notice-ink)}.transfer-callout{background:var(--color-accent-soft);border:1px solid var(--color-accent-soft-line);border-left:4px solid var(--color-accent);border-radius:8px;padding:12px 14px;display:flex;flex-direction:column;gap:8px}.transfer-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:var(--text-body)}.transfer-from,.transfer-to{font-weight:600;color:var(--color-ink)}.transfer-arrow{color:var(--color-accent);font-weight:700}.transfer-amount{margin-left:auto;font-size:var(--text-stat);font-weight:700;color:var(--color-accent-strong);font-variant-numeric:tabular-nums;white-space:nowrap}.transfer-none{font-size:var(--text-body);font-weight:600;color:var(--color-accent-strong)}.slack-preview-details>summary{cursor:pointer;color:var(--color-ink-muted);font-size:var(--text-meta);padding:4px 0}.slack-preview-details>summary:hover{color:var(--color-ink)}.preview-error{margin-top:12px;color:var(--color-danger);font-size:var(--text-meta)}.slack-preview{background:#23302b;color:#e6efe9;border-radius:8px;padding:14px;margin-top:8px;font-size:var(--text-meta);line-height:1.65;white-space:pre-wrap;overflow-x:auto}.settlement-card{padding:0}.app-footer{margin-top:24px;text-align:center}.app-footer a{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;font-size:var(--text-meta);color:var(--color-ink-muted)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:calc(var(--nav-height) + env(safe-area-inset-bottom,0px));background:var(--color-surface);border-top:1px solid var(--color-line);display:flex;padding-bottom:env(safe-area-inset-bottom,0px)}.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:var(--text-mini);color:var(--color-ink-muted);text-decoration:none}.bottom-nav-item.active{color:var(--color-accent);font-weight:700}.bottom-nav-icon{font-size:19px}@media(min-width:600px){.edit-grid{grid-template-columns:repeat(3,1fr)}}