:root{color-scheme:light;--navy:#142c44;--teal:#096855;--muted:#566777;--line:#d8e2e8;--bg:#f2f6f8;--red:#b23f2f}*{box-sizing:border-box}body{margin:0;color:var(--navy);background:var(--bg);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif}a{color:var(--teal);text-underline-offset:4px}header{background:var(--navy);border-bottom:3px solid #d4ad68;color:white}.bar{max-width:1180px;margin:auto;padding:20px 28px;display:flex;justify-content:space-between;gap:20px;align-items:center}.bar a{color:white;text-decoration:none;font-size:13px}.bar .brand{font-size:20px;font-weight:800;letter-spacing:.12em}.brand span{font-size:12px;color:#b9cdd7}.shell{max-width:1180px;margin:auto;padding:0 28px 48px}.hero{padding:50px 0 30px;position:relative}.eyebrow,.step{font-size:12px;letter-spacing:.14em;font-weight:800;color:var(--teal);margin:0 0 12px}h1{font-size:clamp(32px,5vw,56px);line-height:1.3;margin:0 0 18px;letter-spacing:.025em}h2{font-size:21px;margin:0}h3{font-size:20px;margin:0 0 18px}.subtitle{font-size:19px;font-weight:700;margin:0 0 12px}.lead{color:var(--muted);margin:0;line-height:1.9}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.tags span{background:#e3eeed;color:#255a52;font-size:12px;padding:4px 12px;border-radius:5px}.notice{padding:18px 22px;background:#fff;border:1px solid var(--line);border-left:4px solid #729e96;border-radius:8px;font-size:13px}.notice p{margin:5px 0 0;color:var(--muted)}.status{font-size:13px;color:var(--teal);min-height:38px;padding-top:10px}.warning{padding:16px;background:#fff1db;color:#713c0c;border:1px solid #dfbd82;border-radius:8px;margin:12px 0}.section-row{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:18px}.section-row h2 span{font-size:14px;font-weight:500;color:var(--muted);margin-left:6px}button{font:inherit;font-size:14px;font-weight:650;border:1px solid #b8cbd2;border-radius:8px;min-height:44px;padding:10px 17px;background:white;color:var(--navy);cursor:pointer}button:hover{background:#e9f0f2}button.primary{background:var(--navy);color:white;border-color:var(--navy)}button.primary:hover{background:#244a66}button.danger{color:var(--red)}button:disabled{opacity:.55;cursor:not-allowed}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #aa7832;outline-offset:3px}.actions{display:flex;flex-wrap:wrap;gap:8px}.product-list{display:flex;gap:12px;overflow-x:auto;padding:2px 2px 16px}.product-tab{flex:0 0 240px;text-align:left;white-space:normal;overflow-wrap:anywhere;background:white;border:1px solid var(--line);padding:16px}.product-tab[aria-pressed="true"]{border-color:var(--teal);box-shadow:inset 4px 0 var(--teal)}.product-tab strong{display:block;font-size:15px}.product-tab small{display:block;color:var(--muted);font-weight:400;margin-top:6px}.products-section{margin:8px 0 30px}.empty{text-align:center;border:1px dashed #a9bdc7;border-radius:14px;padding:35px 18px;background:#fff}.empty p{color:var(--muted);font-size:14px}.empty button{margin:6px}.line-icon{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;margin:0 auto 14px;font-size:24px;color:var(--teal)}.editor-head{margin-top:22px}.editor-head h2{overflow-wrap:anywhere}.workspace{display:grid;grid-template-columns:1.1fr 1fr;gap:20px}.panel,.market{border:1px solid var(--line);background:#fff;border-radius:15px;padding:26px;min-width:0}.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}label{display:block;color:#435c69;font-size:13px;font-weight:650;margin-bottom:17px}input,textarea,select{display:block;width:100%;min-width:0;font:inherit;font-size:16px;color:var(--navy);background:white;border:1px solid #bacdd6;border-radius:7px;padding:11px 12px;margin-top:7px;min-height:46px}input::placeholder,textarea::placeholder{color:#75858c;font-size:13px;font-weight:400}textarea{resize:vertical}input:user-invalid{border-color:var(--red)}.hint{font-size:12px;color:var(--muted);font-weight:400;margin:0 0 18px}.results-panel{background:var(--navy);color:white}.results-panel .step{color:#afd8cb}.results-panel .hint{color:#ccdae3}.result-row{border-top:1px solid #ffffff28;padding:18px 0}.result-row h4{font-size:15px;margin:0 0 10px}.result-values{display:grid;grid-template-columns:1fr 1fr;gap:12px}.result-values span{font-size:12px;color:#ccdae3}.result-values strong{display:block;font-size:clamp(21px,2.7vw,30px);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.profit-pos{color:#08705a}.profit-neg{color:var(--red)}.results-panel .profit-pos{color:#a5e9cc}.results-panel .profit-neg{color:#ffbaa6}.insight{background:#ffffff12;border-radius:8px;padding:14px;font-size:13px;line-height:1.8}.formula{font-size:11px;color:#ccdae3;margin:18px 0 0}.market-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.market-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:20px}.market-head h3{margin:0}.market-head span{font-size:11px;color:var(--teal);background:#e8f1ee;padding:3px 8px;border-radius:4px}.preset-apply{display:flex;gap:8px;align-items:end;margin-bottom:16px}.preset-apply label{flex:1;margin:0}.scenario{background:#eff5f5;border-radius:8px;padding:14px;margin:14px 0;font-size:13px}.scenario p{margin:0 0 9px}.scenario p:last-child{margin:0}.scenario strong{font-variant-numeric:tabular-nums}.scenario-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:5px;border-top:1px solid var(--line);padding-top:10px;margin-top:10px}.scenario .hint{margin-top:8px}details{border-top:1px solid var(--line);padding-top:14px;margin-top:16px}summary{cursor:pointer;font-size:14px;font-weight:650;padding:4px 0 12px}details[open]>summary{margin-bottom:8px}.reaction{font-size:13px;color:var(--muted)}.bottom-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:20px 0 32px}.bottom-actions .hint{margin:0}.settings{margin-top:24px}.preset-fields{display:grid;grid-template-columns:1.3fr 1fr 1fr auto;gap:12px;align-items:end}.preset-fields label{margin:0}.preset-fields button{margin-bottom:1px}#preset-list{list-style:none;padding:0}#preset-list li{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px;overflow-wrap:anywhere}.backup{display:flex;justify-content:space-between;gap:24px;align-items:center;padding-top:22px;margin-top:18px;border-top:1px solid var(--line)}.backup h3{font-size:15px;margin:0 0 6px}.backup .hint{max-width:620px;margin:0}.backup .actions{flex-shrink:0}.notes{font-size:12px;color:var(--muted);max-width:900px;margin:35px 0 0}.notes h2{font-size:15px}.notes ul{padding-left:20px}.notes li{margin-bottom:8px}footer{border-top:1px solid var(--line);padding:26px;display:flex;flex-wrap:wrap;justify-content:center;gap:16px 40px;font-size:12px;color:var(--muted)}footer a{text-decoration:none}.skip{position:absolute;left:12px;top:-80px;z-index:2;background:white;padding:10px}.skip:focus{top:12px}.mobile{display:none}[hidden]{display:none!important}
@media(max-width:760px){.shell{padding:0 18px 30px}.bar{padding:16px 18px}.hero{padding-top:30px}.mobile{display:block}.subtitle{font-size:16px}.lead{font-size:14px}.workspace,.market-grid{grid-template-columns:1fr}.panel,.market{padding:20px}.editor-head{align-items:flex-start;flex-direction:column}.editor-head .actions{align-self:flex-end}.result-values strong{font-size:27px}.preset-fields{grid-template-columns:1fr 1fr}.preset-fields label:first-child{grid-column:1/-1}.backup{flex-direction:column;align-items:stretch}.fields{gap:12px}.section-row h2{font-size:18px}.bottom-actions{align-items:flex-end}.bottom-actions .hint{max-width:50%}.notice{padding:14px}.product-tab{flex-basis:220px}.market-head h3{font-size:19px}}
@media(prefers-reduced-motion:no-preference){button{transition:background .15s}}