:root{color-scheme:light;--ink:#203e49;--muted:#62777d;--paper:#f3f6f5;--line:#cdd9da;--sea:#316b76;--amber:#d7aa52;--panel:#273b3b;--lit:#d9e9d7;font-family:'BIZ UDPGothic','Yu Gothic UI','Meiryo',sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0}button,a,input,select{-webkit-tap-highlight-color:transparent}button,select{font:inherit}button{border:1px solid var(--line);background:#fff;color:var(--ink);padding:10px 16px;border-radius:5px;cursor:pointer;font-weight:600}button:hover:enabled{background:#e8eff0;border-color:#8faab1}button:disabled{opacity:.55;cursor:not-allowed}button:focus-visible,a:focus-visible,[tabindex]:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid #bd8426;outline-offset:4px}button.primary{color:#fff;background:var(--sea);border-color:var(--sea)}button.primary:hover:enabled{background:#234f5b}[hidden]{display:none!important}.masthead{max-width:1340px;margin:auto;min-height:84px;padding:16px 42px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-size:20px;font-weight:700;white-space:nowrap}.brand svg{width:38px;height:38px;border:1px solid var(--sea);border-radius:50%;padding:6px;fill:none;stroke:var(--sea);stroke-width:3}.brand b{font-size:12px;margin-left:8px;padding:4px 7px;background:#dfe9e8;font-weight:500}.header-actions{display:flex;align-items:center;gap:8px}.header-actions button{padding:8px 12px;font-size:12px}.header-actions>span{font-size:11px;color:var(--muted);margin-right:10px}#hub{max-width:1240px;margin:auto;padding:0 42px 44px}.introduction{display:grid;grid-template-columns:1fr 1.15fr;align-items:center;min-height:345px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;overflow:hidden}.intro-copy{padding:26px 0;z-index:1}.line-name{font-size:12px;margin:0;color:var(--sea);font-weight:700}h1{font-size:clamp(32px,3.4vw,48px);letter-spacing:.04em;line-height:1.4;margin:13px 0 14px;font-weight:700}.intro-copy>p:last-of-type{font-size:13px;line-height:1.9;color:var(--muted);margin:0}.fleet-art{align-self:stretch;display:flex;flex-direction:column;justify-content:center;min-width:0}.fleet-art svg{width:100%;max-height:290px;overflow:visible}.fleet-art p{display:flex;gap:12px;justify-content:flex-end;font-size:12px;margin:0 0 18px}.fleet-art p span{font-size:10px;color:var(--muted);margin-left:12px}.route-map{display:flex;max-width:405px;margin-top:25px}.route-map>div{width:25%;position:relative;display:grid;gap:5px}.route-map>div:before{content:'';position:absolute;height:3px;background:var(--sea);top:6px;left:0;right:0}.route-map>div:last-child:before{display:none}.route-map i{width:14px;height:14px;border:3px solid var(--sea);border-radius:50%;background:var(--paper);z-index:1}.route-map b{font-size:12px;margin-top:3px}.route-map small{font-size:10px;color:var(--muted)}.section-heading{display:flex;justify-content:space-between;align-items:center;margin:30px 0 16px}.section-heading p{font-size:11px;color:var(--muted);margin:0 0 6px}h2{font-size:20px;letter-spacing:.02em;margin:0}.section-heading>span{font-size:12px;padding:7px 13px;border:1px solid #9ab7b7;border-radius:3px;color:var(--sea)}.missions{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.mission{background:#fff;border:1px solid var(--line);border-top:4px solid var(--sea);padding:23px 22px 18px;display:flex;flex-direction:column;min-width:0}.mission.locked{border-top-color:#bbc9cb;background:#eef2f1}.mission-meta{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-bottom:16px}.mission-meta strong{color:var(--sea);font-weight:500}.mission h3{font-size:19px;margin:0 0 12px}.mission p{font-size:12px;line-height:1.9;color:var(--muted);margin:0 0 16px}.mission .mission-route{font-size:12px;color:var(--ink);padding:10px 0;border-top:1px solid #e4ebea}.mission button{width:100%;margin-top:auto}.mission .best{font-size:10px;color:var(--muted);margin-top:10px;text-align:right;min-height:13px}.fleet{margin-top:30px;padding:24px 0;display:grid;grid-template-columns:.85fr 2fr;gap:25px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.fleet h2{font-size:16px;margin-bottom:8px}.fleet>div>p{font-size:11px;color:var(--muted);line-height:1.8;margin:0}.vehicles{display:flex;gap:12px}.vehicle{display:flex;align-items:center;gap:12px;padding:15px;border:1px solid var(--line);width:50%;background:transparent;text-align:left;border-radius:4px}.vehicle[aria-pressed=true]{border:2px solid var(--sea);background:#e6eeee;padding:14px}.vehicle-icon{width:32px;height:40px;flex-shrink:0;border:2px solid #708c95;border-radius:8px 8px 3px 3px;background:linear-gradient(#dbe5e7 12%,#506c76 12%,#506c76 48%,#c7d5d8 48%,#c7d5d8 61%,#43828e 61%,#43828e 73%,#d4dddc 73%);position:relative}.vehicle-icon:after{content:'••';font-size:20px;position:absolute;bottom:-2px;left:4px;color:#f7f1cb;letter-spacing:2px}.vehicle b{display:block;font-size:14px;margin-bottom:5px}.vehicle small{display:block;font-size:10px;line-height:1.7;color:var(--muted);font-weight:400}.rules{margin-top:22px;color:var(--muted);font-size:12px;line-height:1.9}.rules p{max-width:850px}.rules summary{cursor:pointer}body>footer{max-width:1240px;padding:20px 42px;margin:auto;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:10px;color:var(--muted)}footer button{border:none;background:transparent;padding:5px;font-size:10px}#save-status{flex:1;text-align:center}
/* Assessment sheet. */
#results{max-width:850px;margin:20px auto 60px;padding:25px 35px}.result-heading>p:first-child{font-size:12px;color:var(--muted)}.result-heading h1{font-size:36px;margin:12px 0}.result-heading p{font-size:13px;line-height:1.8}.result-overview{display:grid;grid-template-columns:180px 1fr;gap:40px;padding:30px 0;border-block:1px solid var(--line);margin-top:25px}.rank-block{display:flex;flex-direction:column;align-items:center;justify-content:center;border-right:1px solid var(--line)}.rank-block>small{font-size:11px;color:var(--muted)}#rank{font-size:65px;font-weight:500;line-height:1.4;color:var(--sea)}#rank.retry-rank{font-size:25px;margin:20px 0}.rank-block>span{font-size:12px;color:var(--muted)}.score-row{margin:0 0 15px}.score-row:last-child{margin:0}.score-row>div{display:flex;justify-content:space-between;font-size:12px;margin-bottom:8px}.score-row b{font-variant-numeric:tabular-nums}.score-row progress{display:block;width:100%;height:7px;border:0;background:#dce6e4;accent-color:var(--sea)}progress::-webkit-progress-bar{background:#dce6e4;border-radius:3px}progress::-webkit-progress-value{background:var(--sea);border-radius:3px}.unlocks{padding:22px;border:1px solid #94b4a4;background:#e4eee6;margin:25px 0;font-size:15px;font-weight:600}.unlocks small{display:block;font-size:11px;margin-bottom:8px;font-weight:400;color:#466b55}#result-reasons{font-size:13px;line-height:1.9;margin:22px 0}table{width:100%;border-collapse:collapse;font-size:12px;margin:20px 0}td,th{padding:13px 8px;text-align:left;border-bottom:1px solid var(--line)}th{font-size:11px;color:var(--muted);font-weight:500}#result-waits{font-size:11px;line-height:1.8;color:var(--muted)}.result-actions{display:flex;gap:12px;margin-top:28px}dialog{max-width:650px;width:calc(100% - 36px);padding:32px;border:1px solid var(--line);border-radius:7px;color:var(--ink);background:var(--paper);max-height:88vh;overflow:auto}dialog::backdrop{background:#162e3aab}dialog h2{margin:0 25px 20px 0}dialog h3{font-size:16px}dialog p,dialog li{font-size:12px;line-height:1.9}dialog a{color:var(--sea)}dialog button{background:#fff;color:var(--ink);border-color:var(--line)}.driving dialog button{background:#fff;color:var(--ink);border-color:var(--line)}.close-dialog{position:absolute;right:12px;top:12px;padding:3px 10px;font-size:22px;background:transparent}.dialog-actions{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}dialog label{font-size:12px;display:grid;gap:8px}dialog select{padding:10px;max-width:100%;width:100%;background:#fff;color:var(--ink);border:1px solid var(--line)}dialog details{font-size:12px;padding:15px 0;border-top:1px solid var(--line)}.binding-row{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:11px}.binding-row>span{flex:1}.binding-row button{font-size:10px;padding:7px}.binding-row button:last-child{font-weight:400}pre{font-size:10px;white-space:pre-wrap;overflow-wrap:anywhere}#calibration{border:1px solid var(--line);padding:15px;margin:20px 0}

@media(max-width:950px){.masthead{padding:15px 24px}#hub{padding:0 24px 35px}.brand{font-size:17px}.header-actions>span{display:none}.introduction{grid-template-columns:1fr 1fr}.fleet-art svg{min-width:310px}.fleet-art p{font-size:10px;gap:6px}.fleet-art p span{display:none}.mission{padding:18px 15px 15px}.mission h3{font-size:16px}.fleet{grid-template-columns:1fr}}
@media(max-width:700px){.masthead{padding:12px 18px;min-height:65px;gap:8px}.brand{font-size:15px;gap:7px}.brand svg{width:30px;height:30px}.brand b{font-size:10px;margin-left:2px;padding:3px 4px}.header-actions{gap:5px}.header-actions button{font-size:10px;padding:7px 8px}#hub{padding:0 20px 25px}.introduction{grid-template-columns:1fr;min-height:0}.intro-copy{padding:25px 0 0}.intro-copy h1{font-size:36px;margin-top:10px}.intro-copy>p:last-of-type{font-size:12px}.route-map{margin-top:20px;max-width:100%}.fleet-art{margin-top:8px}.fleet-art svg{width:100%;height:185px;min-width:0;max-height:none}.fleet-art p{margin:4px 0 15px;font-size:11px}.fleet-art p span{display:block}.section-heading{margin:24px 0 13px}h2{font-size:18px}.missions{grid-template-columns:1fr;gap:12px}.mission{padding:17px 18px;display:grid;grid-template-columns:1fr auto;column-gap:12px;min-height:0}.mission-meta{grid-column:1/-1;margin-bottom:11px}.mission h3{font-size:18px;grid-column:1/-1}.mission p{grid-column:1/-1;margin-bottom:10px}.mission .mission-route{margin:0;grid-column:1;align-self:center;border-top:0;padding:0;font-size:11px}.mission button{grid-column:2;grid-row:4;padding:9px 15px;width:auto;font-size:12px}.mission .best{grid-column:1/-1;margin-top:8px}.vehicles{flex-direction:column;gap:10px}.vehicle{width:100%}.vehicle small{font-size:11px}.fleet{margin-top:25px;padding:20px 0;gap:17px}.rules{font-size:11px}body>footer{padding:16px 20px;flex-wrap:wrap;font-size:9px;gap:10px}#save-status{order:3;flex-basis:100%;text-align:left}footer button{margin-left:auto}#results{padding:15px 20px;margin-top:12px}.result-heading h1{font-size:29px}.result-overview{grid-template-columns:100px 1fr;gap:22px;padding:25px 0}#rank{font-size:50px}#rank.retry-rank{font-size:18px}.result-actions{flex-direction:column}.unlocks{padding:18px;font-size:13px}dialog{padding:27px 20px}#input-dialog .dialog-actions button{font-size:10px;padding:9px 10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

.result-disclaimer{font-size:12px;line-height:1.7;color:var(--muted);margin:18px 0 0}
/* 言葉の切り替え（2026-11-15）: 英語は文字が長いので、狭い幅ではヘッダーのボタンの列を折り返す。運転中の細いヘッダーには切り替えを出さない（一覧の画面で替える） */
@media(max-width:700px){.masthead{flex-wrap:wrap}.header-actions{flex-wrap:wrap;justify-content:flex-end;margin-left:auto}}
@media(max-width:659px){.driving #language-switch{display:none}.driving .masthead{flex-wrap:nowrap}}
@media(max-width:360px){html[lang="en"] .brand{font-size:12px}}