:root{color-scheme:light;font-family:Inter,Noto Sans JP,Hiragino Kaku Gothic ProN,Yu Gothic,system-ui,sans-serif;background:#f4f6f8;color:#16202a;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body{min-width:0;margin:0;overflow-x:clip}body{min-height:100vh}button,input{font:inherit}button{border:0;cursor:pointer}.app-shell{width:min(1440px,100%);margin:0 auto;padding:28px}.topbar,.summary-strip,.workspace,.section-heading,.panel-heading,.scenario-title,.actions,.control-label,.inline-input,.profit{display:flex}.topbar{align-items:center;justify-content:space-between;gap:24px;margin-bottom:20px}.brand{margin:0 0 4px;color:#4c5b68;font-size:13px;font-weight:700}h1,h2,h3,p{margin:0}h1{color:#101820;font-size:30px;font-weight:800;line-height:1.2;letter-spacing:0}h2{font-size:18px;line-height:1.3;letter-spacing:0}h3{font-size:20px;line-height:1.2;letter-spacing:0}.actions{align-items:center;gap:10px}.icon-button,.ghost-button,.primary-button{height:42px;border-radius:8px;align-items:center;justify-content:center;transition:transform .16s ease,background .16s ease,border-color .16s ease}.icon-button{width:42px;color:#24313d;background:#fff;border:1px solid #d7dee5}.ghost-button,.primary-button{display:inline-flex;gap:8px;padding:0 16px;font-size:14px;font-weight:800}.ghost-button{color:#24313d;background:#fff;border:1px solid #d7dee5}.primary-button{color:#fff;background:#176b87}.icon-button:hover,.ghost-button:hover,.primary-button:hover{transform:translateY(-1px)}.summary-strip{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;margin-bottom:18px;overflow:hidden;border:1px solid #dce2e8;border-radius:8px;background:#dce2e8}.metric{min-width:0;padding:18px;background:#fff}.metric span,.field-stack span,.scenario-card dt,th,.hint-box,.section-heading p,.panel-heading p{color:#62707d}.metric span{display:block;margin-bottom:7px;font-size:12px;font-weight:800}.metric strong{display:block;font-size:22px;line-height:1.1}.workspace{align-items:flex-start;gap:18px}.input-panel,.result-panel{border:1px solid #dce2e8;border-radius:8px;background:#fff}.input-panel{position:sticky;top:16px;width:360px;flex:0 0 360px;padding:20px}.result-panel{min-width:0;flex:1;padding:22px}.panel-heading,.section-heading{align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}.panel-heading{justify-content:flex-start}.panel-heading svg,.section-heading svg{flex:0 0 auto;color:#176b87}.panel-heading p,.section-heading p{margin-top:4px;font-size:13px;line-height:1.5}.text-field{display:block;margin-bottom:18px}.text-field span{display:block;margin-bottom:8px;color:#4f5c68;font-size:12px;font-weight:800}.text-field input,.inline-input{width:100%;min-width:0;border:1px solid #d4dce4;border-radius:8px;background:#fbfcfd}.text-field input{height:42px;padding:0 12px}.field-stack{display:grid;gap:16px}.number-control{display:grid;gap:8px}.control-label{align-items:baseline;justify-content:space-between;gap:12px;font-size:13px;font-weight:800}.control-label strong{color:#16202a;font-size:14px}input[type=range]{width:100%;accent-color:#176b87}.inline-input{height:36px;align-items:center;padding:0 10px}.inline-input input{width:100%;min-width:0;border:0;outline:0;background:transparent}.inline-input span{flex:0 0 auto;font-size:12px;font-weight:800}.hint-box{display:grid;grid-template-columns:auto 1fr;gap:10px;margin-top:18px;padding:14px;border-radius:8px;background:#eef8f6;font-size:13px;line-height:1.55}.hint-box svg{color:#208a7a}.scenario-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.scenario-card{min-width:0;padding:18px;border:1px solid #dce2e8;border-radius:8px;background:#fbfcfd}.scenario-card.standard{border-color:#176b87;box-shadow:inset 0 3px #176b87}.scenario-title{align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:16px}.scenario-title p{margin-top:4px;color:#62707d;font-size:12px;font-weight:700}.scenario-title span{flex:0 0 auto;border-radius:999px;padding:5px 8px;color:#176b87;background:#e7f4f2;font-size:12px;font-weight:900}dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0 0 16px}dt{margin-bottom:4px;font-size:12px;font-weight:800}dd{margin:0;font-size:17px;font-weight:850}.profit{align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid #e0e6ec}.profit span{color:#62707d;font-size:12px;font-weight:800}.profit strong{font-size:18px}.profit.positive strong{color:#14735f}.profit.loss strong{color:#a64032}.detail-table-wrap{margin-top:18px;overflow-x:auto;border:1px solid #dce2e8;border-radius:8px}table{width:100%;min-width:720px;border-collapse:collapse;background:#fff}th,td{padding:13px 14px;border-bottom:1px solid #e5ebf0;text-align:right;white-space:nowrap}th:first-child,td:first-child{text-align:left}th{background:#f8fafb;font-size:12px}td{color:#18232d;font-size:14px;font-weight:700}tbody tr:last-child td{border-bottom:0}@media(max-width:980px){.app-shell{padding:18px}.topbar,.workspace{display:grid}.topbar{gap:14px}.actions{justify-content:flex-start}.summary-strip,.scenario-grid{grid-template-columns:1fr}.input-panel{position:static;width:100%;flex-basis:auto}}@media(max-width:560px){.app-shell{padding:14px}h1{font-size:24px}.actions{display:grid;grid-template-columns:42px 1fr 1fr;width:100%}.ghost-button,.primary-button{padding:0 10px}.metric,.input-panel,.result-panel,.scenario-card{padding:16px}dl{grid-template-columns:1fr}}