:root{--ink:#13203c;--muted:#59667d;--blue:#2249c5;--cyan:#007e83;--line:#dce2ed;--soft:#f3f5fa;--white:#fff;--a:#395dc7;--b:#00827e;font-family:Inter,'Noto Sans JP','Yu Gothic',Meiryo,system-ui,sans-serif;color:var(--ink);background:#f7f8fb;font-synthesis:none}*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.7}a{color:var(--blue);text-underline-offset:4px}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}button,summary{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #ef9f13;outline-offset:3px}button{border:0}input,select{width:100%;border:1px solid #b7c3d8;border-radius:8px;background:#fff;padding:10px 12px;color:var(--ink);min-height:46px}input[type=checkbox]{width:20px;min-height:20px;flex-shrink:0;accent-color:var(--blue)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(30px,3vw,44px);line-height:1.35;letter-spacing:-.03em;margin-bottom:14px}h2{font-size:23px;line-height:1.5}h3{font-size:18px}small,.small{font-size:14px;line-height:1.7;color:var(--muted)}.small{margin:12px 0}.muted{color:var(--muted);font-size:14px}.header{padding:22px max(24px,calc((100vw - 1400px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#fff;gap:20px}.brand{display:inline-flex;align-items:center;gap:5px;font-size:24px;color:var(--ink);text-decoration:none;font-weight:800;letter-spacing:-1px;white-space:nowrap}.brand-mark{display:grid;place-items:center;background:var(--blue);color:white;width:30px;height:33px;margin-right:8px;font-size:20px;border-radius:8px}.brand-dash{color:var(--blue)}.beta{font-size:13px;padding:1px 6px;border:1px solid var(--line);border-radius:5px;margin-left:7px}.header nav{display:flex;gap:25px;flex-wrap:wrap}.header nav a{font-size:14px;text-decoration:none;color:var(--muted);font-weight:600}.skip{position:absolute;top:-100px;left:12px;background:white;padding:10px;z-index:10}.skip:focus{top:10px}main{max-width:1450px;margin:auto;padding:36px 28px 60px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--blue);margin:0 0 12px}.workspace-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.workspace-head p:not(.eyebrow){color:var(--muted);margin:0}.quiet-link{font-size:14px}.mobile-break{display:none}.topic-row{display:grid;grid-template-columns:repeat(9,1fr);gap:8px;margin-bottom:28px}.topic-btn{text-align:left;background:#fff;padding:14px 12px;border:1px solid var(--line);border-radius:10px;color:var(--ink)}.topic-btn strong{display:block;font-size:18px;margin:3px 0}.topic-btn>span:last-child{display:block;font-size:12px;line-height:1.5;color:var(--muted)}.topic-number{font-size:12px;color:#818ca3}.topic-btn.active{background:var(--ink);color:white;border-color:var(--ink)}.topic-btn.active>span{color:#d4dbed}.compare-layout{display:grid;grid-template-columns:minmax(330px,440px) minmax(0,1fr);gap:28px;align-items:start}.input-panel,.result-panel{border:1px solid var(--line);border-radius:14px;background:white;padding:25px;min-width:0}.result-panel{padding:28px}.panel-title{display:flex;align-items:center;gap:10px;margin-bottom:24px;flex-wrap:wrap}.panel-title h2{margin:0;font-size:20px}.step{background:#eaf0ff;color:var(--blue);font-weight:700;padding:3px 8px;border-radius:5px;font-size:14px}.sample-badge{margin-left:auto;background:#f1f3f8;color:var(--muted);font-size:12px;padding:4px 7px;border-radius:4px}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px}.field{display:block;font-size:14px;font-weight:600;line-height:1.5;min-width:0}.field.full{grid-column:1/-1}.field>input,.field>select{margin-top:7px}.input-unit{display:flex;align-items:center;position:relative;margin-top:7px}.input-unit input{padding-right:62px;font-size:18px;font-weight:600;font-variant-numeric:tabular-nums}.input-unit>span{position:absolute;right:11px;pointer-events:none;font-size:12px;color:var(--muted);font-weight:400}details{border-top:1px solid var(--line);margin:20px 0;padding-top:17px}summary{font-size:14px;font-weight:700;list-style:none;display:flex;align-items:center;gap:7px}summary::after{content:'＋';margin-left:auto;color:var(--muted)}details[open]>summary::after{content:'−'}details[open]>summary{margin-bottom:18px}.scenario-choice{margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}.scenario-choice label{font-weight:700;font-size:14px}.scenario-choice select{margin-top:8px;font-size:14px}.scenario-choice p{font-size:14px;color:var(--muted);margin:8px 0}.primary{display:block;background:var(--blue);color:#fff;padding:13px 20px;border-radius:9px;font-weight:700;text-align:center;width:100%;text-decoration:none}.primary:hover{background:#143aad}.primary.inline{display:inline-block;width:auto;margin-bottom:24px}.secondary{background:#eaf0ff;border:1px solid #c5d2f3;color:var(--blue);padding:8px 13px;border-radius:7px;font-size:14px;font-weight:700}.text-button{color:var(--muted);background:none;font-size:14px;text-decoration:underline;text-underline-offset:4px;padding:7px 0}.danger{background:#b03142;color:white;font-size:14px;border-radius:7px;padding:8px}.action-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center}.swatch{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:5px;flex-shrink:0}.swatch.a{background:var(--a)}.swatch.b{background:var(--b)}.outcome-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.outcome{padding:22px;border:1px solid #d4ddf7;border-top:4px solid var(--a);border-radius:10px;background:#f5f7fd;min-width:0}.outcome.b{border-color:#bedfdf;border-top-color:var(--b);background:#eff8f8}.outcome h3{font-size:16px;margin-bottom:14px;overflow-wrap:anywhere}.outcome p{font-size:14px;margin-bottom:4px;color:var(--muted)}.outcome strong{display:block;font-size:clamp(26px,2.5vw,36px);line-height:1.3;letter-spacing:-1px;white-space:nowrap}.outcome strong small{font-size:14px;margin-left:5px;color:var(--ink)}.delta-line{padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;margin-bottom:20px}.chart-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}.chart-head h3{margin:0}.chart-head p{font-size:12px;max-width:70%;margin:0;overflow-wrap:anywhere}.chart{margin-top:15px;width:100%;border-radius:10px;background:#fafbfd}.chart svg{display:block;width:100%;height:auto}.chart text{font-family:inherit;font-size:13px;fill:var(--muted)}table{width:100%;border-collapse:collapse;font-size:14px;margin:24px 0;table-layout:fixed}th,td{padding:12px 7px;border-bottom:1px solid var(--line);text-align:right;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}th:first-child,td:first-child{text-align:left;width:35%}thead{color:var(--muted);background:#f6f8fc}caption{text-align:left;font-weight:700;font-size:16px;padding-bottom:8px}.notice{padding:14px 16px;background:#eef4ff;border-left:3px solid var(--blue);font-size:14px;margin:14px 0;border-radius:0 8px 8px 0}.notice.warn{background:#fff5e8;border-color:#d38100;color:#71470c}.notice p:last-child{margin-bottom:0}.next-panel{margin-top:25px;padding-top:25px;border-top:1px solid var(--line)}.next-panel h2{font-size:20px}.check-list{padding-left:26px;font-size:15px;line-height:1.8}.check-list li{padding:4px 0 9px 4px}.routes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.route-card{display:block;color:var(--ink);text-decoration:none;padding:16px;border:1px solid var(--line);border-radius:9px;background:#fff}.route-card:hover{border-color:var(--blue);background:#f7f9ff}.route-card small{font-size:12px;color:var(--muted);display:block}.route-card strong{font-size:15px;display:block;margin:6px 0;color:var(--blue)}.route-card p{font-size:13px;line-height:1.7;margin:0;color:var(--muted)}.save-panel{padding-top:22px;margin-top:22px;border-top:1px solid var(--line)}.consent{display:flex;gap:9px;font-size:14px;align-items:flex-start}.consent input{margin-top:4px}.save-panel h3{margin-bottom:14px}#save-status{font-size:14px;margin:10px 0;color:var(--blue)}#form-error{color:#b03142;font-size:14px}.explore{margin:55px 0 0}.scenario-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.scenario-card{display:block;text-decoration:none;color:var(--ink);padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:12px}.scenario-card:hover{border-color:var(--blue)}.scenario-card h2,.scenario-card h3{font-size:18px;margin:8px 0;line-height:1.6}.scenario-card p{font-size:14px;color:var(--muted);margin:0}.scenario-card>span{display:block;color:var(--blue);font-size:13px;margin-top:14px}.content{max-width:1120px;margin:20px auto}.content>.lead{max-width:740px;color:var(--muted);font-size:18px}.article{max-width:790px;background:#fff;padding:42px;border:1px solid var(--line);border-radius:14px}.article h2{margin-top:30px;font-size:22px}.article p{line-height:1.9}.article li{margin:8px 0}.formula{padding:20px;background:var(--soft);border-radius:8px;font-size:16px}.search-label{display:block;max-width:600px;font-weight:600;font-size:14px;margin:25px 0}.search-label input{margin-top:8px}.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.filter{font-size:14px;border:1px solid var(--line);border-radius:20px;padding:6px 17px;background:#fff;color:var(--muted)}.filter.active{background:var(--ink);color:#fff}.content>.routes{margin-top:20px}.content>h2{margin-top:40px}footer{border-top:1px solid var(--line);padding:34px max(28px,calc((100vw - 1390px)/2));background:#fff}footer p{font-size:14px;color:var(--muted);margin:10px 0}footer nav{display:flex;gap:22px;flex-wrap:wrap;margin:16px 0}footer nav a{font-size:14px;text-decoration:none;color:var(--muted)}[hidden]{display:none!important}#saved-list{list-style:none;padding:0;margin:0}#saved-list button{margin:5px 0;width:100%;text-align:left;font-size:14px;background:var(--soft);padding:10px;color:var(--blue);border-radius:8px}@media(max-width:1150px){.topic-row{grid-template-columns:repeat(5,1fr)}.compare-layout{gap:18px;grid-template-columns:minmax(300px,380px) minmax(0,1fr)}.input-panel,.result-panel{padding:20px}.header nav{gap:15px}.routes{grid-template-columns:1fr}.outcome{padding:16px}.outcome strong{font-size:27px}}@media(max-width:850px){.compare-layout{grid-template-columns:1fr}.topic-row{grid-template-columns:repeat(3,1fr)}.topic-btn{padding:10px 12px}.topic-btn>span:last-child{display:none}.topic-btn strong{font-size:16px;margin:0}.topic-number{font-size:11px}.header{padding:17px 20px;display:block}.header nav{margin-top:15px;justify-content:space-between;gap:8px}.header nav a{font-size:12px}.workspace-head{align-items:flex-start}.workspace-head .quiet-link{display:none}main{padding:28px 16px 40px}.mobile-break{display:block}.outcome strong{font-size:30px}.routes{grid-template-columns:1fr 1fr}.scenario-grid{grid-template-columns:1fr 1fr}.article{padding:24px}.chart-head p{max-width:100%}}@media(max-width:480px){.routes,.scenario-grid{grid-template-columns:1fr}.outcome{padding:14px 12px}.outcome strong{font-size:25px}.outcome h3{font-size:14px;min-height:45px}.outcome-grid{gap:10px}.result-panel,.input-panel{padding:18px}.fields{gap:15px 10px}.field{font-size:13px}.input-unit input{font-size:17px}.content>.lead{font-size:16px}.chart text{font-size:14px}.topic-row{margin-bottom:20px}.panel-title{gap:8px}.panel-title h2{font-size:18px}th,td{font-size:13px}.header nav a{font-size:12px}.article h1{font-size:30px}}@media print{.header,.input-panel,.topic-row,.save-panel,footer{display:none}.compare-layout{display:block}.result-panel{border:0}.chart{break-inside:avoid}main{padding:0}.next-panel{break-inside:avoid}}