:root{font-family:IBM Plex Sans,Noto Sans SC,sans-serif;color:#1b1f2a;background:radial-gradient(circle at 20% 20%,#f4f9ff,#eef7f0 45%,#f6f3eb)}*{box-sizing:border-box}body{margin:0}main{padding:16px}header{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.board-title{display:flex;align-items:center;gap:10px}.board-logo{width:38px;height:38px;border-radius:10px;flex:0 0 auto}.header-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px}.header-meta p{margin:0}.ob-targets{font-size:12px;color:#3a4350}.option-tabs{display:flex;gap:8px;margin-bottom:12px}.option-tabs button{border:1px solid #c6d0dd;background:#ffffffcf;color:#1b1f2a;border-radius:999px;padding:6px 14px;cursor:pointer}.option-tabs button.active{background:#1b1f2a;color:#fff;border-color:#1b1f2a}.filters{display:grid;grid-template-columns:repeat(4,minmax(120px,1fr));gap:8px;margin-bottom:12px}.filters input,.filters select{padding:8px;border:1px solid #c6d0dd;border-radius:8px;background:#ffffffcf}.exchange-filter{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}.exchange-filter-title{font-weight:700}.exchange-filter button{border:1px solid #c6d0dd;background:#ffffffcf;border-radius:8px;padding:4px 10px;cursor:pointer}.exchange-filter label{display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border:1px solid #d4dbe8;border-radius:999px;background:#ffffffd6}.alerts{display:grid;gap:6px;margin-bottom:12px}.alert-item{border-radius:8px;padding:8px}.alert-error{color:#8f1d1d;background:#ffe8e8;border:1px solid #f3bbbb}.alert-ok{color:#0d5f2a;background:#e7f9ec;border:1px solid #b9eac8}.alert-auto-hide{animation:fadeOutAlert 1.8s ease-in forwards;animation-delay:3s}@keyframes fadeOutAlert{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-4px)}}.expiry-card{border:1px solid #d9e0ea;background:#fffffff0;border-radius:12px;margin-bottom:14px;padding:8px}.table-wrap{position:relative;overflow:auto}table{width:max-content;min-width:100%;border-collapse:collapse;table-layout:fixed;font-size:12px}th,td{border:1px solid #d7deea;padding:6px;white-space:nowrap;text-align:center;vertical-align:middle;background:#fff}th{text-align:center}.table-wrap table thead tr:first-child th:nth-child(1),.table-wrap table thead tr:first-child th:nth-child(2),.table-wrap table thead tr:first-child th:nth-child(4),.table-wrap table tbody td:nth-child(1),.table-wrap table tbody td:nth-child(2),.table-wrap table tbody td:nth-child(4){background:#4e5560!important;color:#f6f8fb;border-color:#fff}.group-head{text-align:center;font-weight:700;background:#eef3fa}.data-row.stripe-a td{background:#fff}.data-row.stripe-b td{background:#f4f7fc}.index-overlay{position:absolute;left:0;right:0;height:0;pointer-events:none;z-index:3}.index-overlay-line{position:absolute;left:0;right:auto;top:0;border-top:3px dashed #2d7dd2;animation:pulseLine 1.6s ease-in-out infinite}.index-overlay-label{position:absolute;left:8px;top:-20px;font-size:11px;color:#fff;background:#101318;border:1px solid #101318;font-weight:700;border-radius:999px;padding:0 8px}@keyframes pulseLine{0%{opacity:.45}50%{opacity:1}to{opacity:.45}}.group-start{border-left-width:2px;border-left-color:#9fb5d1}.data-row{position:relative}.data-row.moneyness-otm td{box-shadow:inset 0 0 0 9999px #ffbad02e}.data-row.moneyness-itm td{box-shadow:inset 0 0 0 9999px #9eceff33}.metric-link{color:#2e3641;text-decoration:underline;text-decoration-style:dotted;text-underline-offset:2px}.metric-value{font-weight:700;color:#2e3641}.col-asset{width:72px}.col-strike,.col-price,.col-otm{width:108px}.col-bid,.col-ask,.col-iv,.col-日化,.col-年化{width:112px}@media(max-width:900px){header{flex-direction:column;align-items:flex-start}.header-meta{align-items:flex-start}.filters{grid-template-columns:repeat(2,minmax(120px,1fr))}}