@charset "UTF-8";
:root{color-scheme:light;--ink:#10233d;--muted:#53647a;--blue:#0755d9;--navy:#102b4d;--paper:#f4f7fb;--line:#d4dfec;--lime:#d5f85b;--white:#fff;--radius:16px;font-family:"Yu Gothic",YuGothic,"Hiragino Kaku Gothic ProN",Meiryo,system-ui,sans-serif;font-size:16px;line-height:1.75;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0}a{color:var(--blue);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input,select{font:inherit}button,a{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #e87b00;outline-offset:5px}button{cursor:pointer}button:disabled{cursor:default;opacity:.4}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(1.75rem,3.4vw,2.9rem);line-height:1.5;letter-spacing:-.04em;margin-bottom:18px}h2{font-size:clamp(1.4rem,2.2vw,1.85rem);line-height:1.55;margin-bottom:18px}h3{font-size:1.1rem;line-height:1.6}p{margin-bottom:1em}small,.small{font-size:.875rem}li+li{margin-top:8px}.muted{color:var(--muted)}.eyebrow{color:var(--blue);font-size:.875rem;letter-spacing:.12em;font-weight:800;margin-bottom:12px}.skip{position:absolute;top:-100px;left:1rem;background:white;padding:1rem;z-index:10}.skip:focus{top:0}.wrap{width:min(1184px,calc(100% - 48px));margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:84px}.brand{color:var(--navy);font-size:1.25rem;letter-spacing:-.04em;font-weight:900;text-decoration:none;display:flex;align-items:center;gap:10px}.brand-mark{display:block;flex-shrink:0;width:35px;height:35px}.brand-mark img{display:block;width:100%;height:100%}.site-header nav{display:flex;gap:24px;flex-wrap:wrap}.site-header nav a{font-size:.875rem;color:var(--ink);text-decoration:none}.site-header nav a:hover{color:var(--blue)}main{padding-top:36px;padding-bottom:64px;min-height:75vh}.intro-line{display:flex;justify-content:space-between;align-items:center;gap:16px;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:28px}.intro-line p{margin:0}.intro-line .eyebrow{color:var(--muted)}.dot{display:inline-block;width:8px;height:8px;border-radius:100%;background:#078355;margin-right:8px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:40px}.question-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:32px}.step-line{display:flex;align-items:center;gap:16px;color:var(--blue);font-weight:800;font-size:.875rem;margin-bottom:20px}.step-line progress{height:5px;flex:1;accent-color:var(--blue);border:0;width:100%}progress::-webkit-progress-bar{background:#e2eaf6;border-radius:8px}progress::-webkit-progress-value{background:var(--blue);border-radius:8px}.options{display:grid;gap:12px;margin:24px 0 20px}.option{position:relative;display:flex;align-items:center;gap:18px;padding:18px 22px;border:1px solid var(--line);border-radius:12px;color:var(--ink);text-decoration:none;background:white;transition:background .15s,border-color .15s,transform .15s}.option:hover{background:#f0f6ff;border-color:var(--blue);transform:translateX(3px)}.option .num{font-family:ui-monospace,monospace;color:var(--blue);font-size:.875rem;font-weight:700;background:#eaf1ff;border-radius:8px;padding:6px 10px}.option strong{display:block;font-size:1.1rem}.option small{display:block;color:var(--muted);margin-top:2px}.option .arrow{margin-left:auto;color:var(--blue);font-size:1.3rem}.lesson{padding:24px;background:var(--navy);border-radius:var(--radius);color:white;margin:0 0 24px}.lesson .eyebrow{color:var(--lime)}.lesson p:last-child{margin-bottom:0}.route-nav{display:flex;gap:24px;flex-wrap:wrap;font-size:.875rem;margin-top:22px}.route-nav a{color:var(--muted)}.answer-trail{list-style:none;margin:0 0 24px;padding:0;display:flex;gap:8px;flex-wrap:wrap}.answer-trail li{margin:0}.answer-trail a{padding:6px 10px;background:#e7eef7;border-radius:6px;color:var(--ink);font-size:.875rem;text-decoration:none;display:block}.side-story{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:white;margin-top:20px}.side-story img{width:100%;aspect-ratio:16/10;object-fit:cover}.side-story .body{padding:16px}.side-story h3{margin-bottom:6px}.side-story p{font-size:.875rem;color:var(--muted);margin-bottom:0}.side-story a{text-decoration:none;color:var(--ink)}.breadcrumb{font-size:.875rem;color:var(--muted);margin:0 0 24px;display:flex;gap:10px;flex-wrap:wrap}.breadcrumb a{color:var(--muted)}.car-header{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center;margin-bottom:40px}.car-header h1{font-size:clamp(1.8rem,4vw,3.4rem)}.car-header .headline{font-size:1.25rem;line-height:1.7;font-weight:700}.pill{display:inline-block;padding:4px 10px;border:1px solid var(--line);border-radius:5px;font-size:.875rem;background:white;margin:0 6px 10px 0}.picture{margin:0;border-radius:var(--radius);overflow:hidden;background:#e7eef7}.picture img{aspect-ratio:16/11;width:100%;object-fit:cover}.picture figcaption{font-size:.75rem;padding:10px 14px;color:var(--muted);background:white;line-height:1.6}.spec-visual{padding:30px;border-radius:var(--radius);background:var(--navy);color:white}.spec-visual h3{margin-bottom:22px;font-size:1.2rem}.spec-visual .muted{color:#c9d5e4}.measure{margin:20px 0}.measure-label{display:flex;justify-content:space-between;gap:12px;font-size:.875rem;margin-bottom:7px}.measure strong{font-size:1.2rem;font-family:ui-monospace,monospace}.measure-track{height:8px;background:#38516e;border-radius:5px;overflow:hidden}.measure-track i{display:block;height:100%;background:var(--lime)}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--line);margin-bottom:24px}.metric{padding:22px;background:#fff}.metric .label{font-size:.875rem;color:var(--muted)}.metric .value{font-size:clamp(1.2rem,2vw,1.6rem);font-weight:800;line-height:1.6;margin:8px 0}.metric .hint{font-size:.75rem;color:var(--muted);line-height:1.6}.notice{border-left:3px solid var(--blue);padding:14px 18px;background:#eaf1fc;font-size:.875rem;margin-bottom:28px}.section{margin-top:42px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.section-head h2{margin:0}.section-head .muted{font-size:.875rem}.reading-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:32px}.panel{background:white;border:1px solid var(--line);padding:28px;border-radius:var(--radius)}.panel p:last-child{margin-bottom:0}.benefits{list-style:none;padding:0}.benefits li{border-bottom:1px solid var(--line);padding:16px 0;margin:0}.benefits li:first-child{padding-top:0}.benefits li:last-child{border:0}.benefits strong{display:block;margin-bottom:6px}.benefits p{color:var(--muted);font-size:.9375rem;margin:0}.spec-table{width:100%;border-collapse:collapse;font-size:.9375rem}.spec-table th,.spec-table td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.spec-table th{width:37%;color:var(--muted);font-weight:500}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:white}.spec-table tr:last-child th,.spec-table tr:last-child td{border:0}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;background:var(--blue);color:white;padding:13px 22px;border:1px solid var(--blue);border-radius:8px;font-weight:700;text-decoration:none;font-size:.9375rem}.button:hover{background:#0647b4}.button.secondary{background:white;color:var(--blue)}.action-row{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.carousel-track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(240px,28%);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 20px;margin:0;list-style:none;scrollbar-color:#a5b8d0 transparent}.carousel-track li{scroll-snap-align:start;margin:0;min-width:0}.car-card{background:white;border:1px solid var(--line);border-radius:12px;padding:22px;height:100%;display:flex;flex-direction:column}.car-card h3{font-size:1.1rem;margin:6px 0 14px;overflow-wrap:anywhere}.car-card h3 a{color:var(--ink);text-decoration:none}.car-card .maker{color:var(--muted);font-size:.875rem}.car-card .card-price{color:var(--blue);font-weight:800;font-size:1.25rem;margin-top:auto}.car-card .card-details{font-size:.875rem;color:var(--muted);margin:6px 0 0}.car-card .tag{font-size:.75rem;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin-top:12px}.carousel-controls{display:flex;align-items:center;gap:12px}.carousel-controls button{border:1px solid var(--line);border-radius:50%;width:44px;height:44px;background:#fff;color:var(--blue);font-size:1.2rem}.carousel-status{font-size:.875rem;color:var(--muted)}.result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.result-card{position:relative}.result-number{font-family:ui-monospace,monospace;font-weight:700;color:var(--blue);font-size:.875rem;margin-bottom:16px}.result-card .reasons{font-size:.875rem;padding-left:20px;color:var(--muted)}.result-card .button{margin-top:18px}.empty{padding:40px;border:1px dashed #9db1cc;border-radius:var(--radius);background:white}.disclosure{border-top:1px solid var(--line);padding:16px 0}.disclosure summary{cursor:pointer;font-weight:700}.disclosure p{margin-top:18px}.sources{font-size:.875rem;overflow-wrap:anywhere}.sources li{margin-bottom:12px}.sources small{display:block;color:var(--muted)}.searchbar{background:white;border:1px solid var(--line);padding:24px;border-radius:12px;margin:22px 0}.searchbar label{display:block;font-size:.875rem;font-weight:700;margin-bottom:10px}.searchbar input{width:100%;border:1px solid #97acc9;border-radius:8px;padding:13px 16px;background:#fff;min-height:50px}.catalog-list{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0;padding:0}.catalog-list li{margin:0}.catalog-list a{display:block;height:100%;padding:18px 20px;background:white;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink)}.catalog-list strong{display:block;overflow-wrap:anywhere}.catalog-list small{color:var(--muted);display:block}.catalog-list .price{color:var(--blue)}[hidden]{display:none!important}.plain-content{max-width:840px}.plain-content h2{margin-top:38px}.site-footer{background:var(--navy);color:#d4dfed;padding:36px 0;font-size:.875rem}.footer-inner{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}.site-footer a{color:white}.site-footer p{margin:0 0 8px}.site-footer nav{display:flex;gap:22px;flex-wrap:wrap}.data-date{font-variant-numeric:tabular-nums}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.compare-number{background:var(--paper);padding:18px;border-radius:10px}.compare-number strong{display:block;font-size:1.4rem}.compare-number small{color:var(--muted)}
@media(min-width:1400px){.wrap{width:1240px}.workspace{grid-template-columns:minmax(0,1fr) 330px}}
@media(max-width:900px){.workspace{grid-template-columns:minmax(0,1fr) 260px;gap:24px}.car-header{gap:24px}.reading-grid{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}.result-grid,.catalog-list{grid-template-columns:repeat(2,minmax(0,1fr))}.carousel-track{grid-auto-columns:42%}.question-panel{padding:24px}}
@media(max-width:680px){.wrap{width:calc(100% - 32px)}.header-inner{min-height:72px;gap:12px}.brand{font-size:1rem}.brand-mark{width:30px;height:30px}.site-header nav{gap:12px}.site-header nav a{font-size:.8125rem}.site-header nav a:last-child{display:none}main{padding-top:24px}.workspace,.car-header{grid-template-columns:1fr;gap:24px}.question-panel{padding:22px 18px}.question-panel h1{font-size:1.6rem}.intro-line{align-items:flex-start;flex-direction:column;gap:5px;margin-bottom:20px}.option{padding:15px 14px;gap:12px}.option strong{font-size:1rem}.lesson{padding:22px}.sidebar .side-story{display:none}.car-header{margin-bottom:26px}.car-header h1{font-size:2rem}.metric{padding:18px}.panel{padding:22px}.section-head{align-items:flex-start;flex-direction:column;gap:10px}.carousel-track{grid-auto-columns:82%}.result-grid,.catalog-list{grid-template-columns:1fr}.action-row .button{flex:1}.spec-table th,.spec-table td{padding:12px}.sources{padding-left:20px}.footer-inner{gap:22px}.result-grid{gap:14px}.comparison{grid-template-columns:1fr 1fr}.spec-visual{padding:24px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}