:root{--orange:#f97316;--accent:#bd4d08;--soft:#fff4eb;--ink:#2b2622;--muted:#6e645a;--line:#efeae4;--font:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic",system-ui,-apple-system,sans-serif;--display:"Zen Maru Gothic","Hiragino Maru Gothic ProN",var(--font);font-family:var(--font);font-size:16px;color:var(--ink);background:#fff;font-synthesis:none;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:wait;opacity:.6}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #a95716;outline-offset:3px}button svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}[hidden]{display:none!important}
header{height:80px;max-width:1184px;padding:0 32px;margin:auto;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;text-decoration:none}.brand img{width:150px;height:50px;object-fit:contain}.share{display:flex;align-items:center;gap:8px;background:white;border:1px solid var(--line);border-radius:30px;padding:10px 16px;font-size:14px;min-height:44px}.share:hover{background:var(--soft);border-color:#fcdec7}
main{max-width:1184px;margin:auto;padding:24px 32px 28px}.intro{margin-bottom:30px;max-width:920px}h1{font-family:var(--display);font-size:32px;font-weight:900;line-height:1.6;letter-spacing:.01em;margin:0 0 13px}h1 span{background:linear-gradient(transparent 79%,#ffddc4 79%,#ffddc4 94%,transparent 94%);box-decoration-break:clone;-webkit-box-decoration-break:clone}.intro p{font-size:16px;color:var(--muted);line-height:1.9;margin:0;max-width:820px}
.workspace{display:grid;grid-template-columns:minmax(0,1fr) 290px;column-gap:32px;align-items:start}.destination{grid-column:2;grid-row:1;padding:0 0 22px;border-bottom:1px solid var(--line)}.destination label{display:block;font-size:14px;color:var(--muted);margin-bottom:9px}select{width:100%;min-height:46px;padding:10px 12px;background:#fff;border:1px solid #ded5cb;border-radius:9px;font-size:16px;color:var(--ink)}.map-column{grid-column:1;grid-row:1/3;min-width:0}.map-toolbar{height:50px;display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.modes{display:flex;padding:3px;background:#f6f2ed;border-radius:25px;gap:2px}.modes button{border:0;border-radius:22px;padding:8px 15px;font-size:14px;background:transparent;color:var(--muted);min-height:36px}.modes button[aria-pressed=true]{background:#fff;box-shadow:0 1px 5px #4a3a2f0f;color:var(--ink);font-weight:650}.location{border:0;background:none;display:flex;align-items:center;gap:7px;min-height:42px;padding:8px 0 8px 8px;font-size:14px}.location[aria-pressed=true]{color:var(--accent)}
.map-wrap{position:relative;height:470px;border-radius:16px;overflow:hidden;background:#f3f0ea;border:1px solid var(--line)}#map{height:100%;width:100%}.map-badge{position:absolute;top:12px;left:12px;z-index:500;border-radius:6px;background:#fffffff2;padding:6px 9px;font-size:12px;color:var(--muted);box-shadow:0 1px 7px #4a3a2f10}.fit{position:absolute;bottom:34px;right:12px;z-index:500;background:#fff;border:0;border-radius:8px;min-width:44px;min-height:44px;padding:10px;display:grid;place-items:center;box-shadow:0 1px 7px #4a3a2f25}.leaflet-container{font-family:var(--font)}.leaflet-control-zoom{border:0!important;box-shadow:0 1px 7px #4a3a2f25!important}.leaflet-control-zoom a{color:var(--ink)!important}
.legend-heading{display:flex;justify-content:space-between;gap:12px;font-size:14px;margin:17px 0 7px;color:var(--muted)}.legend-heading b{color:var(--ink);font-weight:600}.legend{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}.legend button{padding:7px 3px 8px;border:0;border-bottom:3px solid var(--ring);border-radius:7px 7px 0 0;background:white;color:var(--ink);text-align:center;min-height:60px}.legend button[aria-pressed=true]{background:color-mix(in srgb,var(--ring) 10%,white)}.legend b{font-family:var(--display);font-size:23px;font-weight:700;font-variant-numeric:tabular-nums}.legend small{font-size:12px}.legend .distance{display:block;font-size:12px;margin-top:2px;color:var(--muted);white-space:nowrap}.road-status{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;padding:9px 0;font-size:12px;color:var(--muted);line-height:1.7}#update-road{border:1px solid #fcdec7;border-radius:20px;background:var(--soft);color:var(--accent);font-size:13px;white-space:nowrap;padding:9px 13px}
.controls{grid-column:2;grid-row:2;padding-top:12px}.slider-group{padding:16px 0 23px}.range-title{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.range-title label{font-size:16px;font-family:var(--display);font-weight:700}.range-title output{font-size:34px;font-weight:650;letter-spacing:-.035em;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums}.range-title small{font-size:14px;margin-left:6px;font-weight:400;letter-spacing:0}input[type=range]{appearance:none;-webkit-appearance:none;height:36px;background:transparent;width:100%;margin:11px 0 0;cursor:pointer}input[type=range]::-webkit-slider-runnable-track{height:5px;border-radius:5px;background:linear-gradient(to right,var(--orange) var(--fill,50%),#efe6dd var(--fill,50%))}input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:25px;height:25px;margin-top:-10px;border:3px solid #fff;background:var(--orange);border-radius:50%;box-shadow:0 0 0 1px #f2c09b,0 2px 5px #4a3a2f20}input[type=range]::-moz-range-track{height:5px;border-radius:5px;background:#efe6dd}input[type=range]::-moz-range-progress{height:5px;background:var(--orange)}input[type=range]::-moz-range-thumb{width:20px;height:20px;border:3px solid white;background:var(--orange);border-radius:50%}.ticks{display:flex;justify-content:space-between;font-size:12px;color:#817469;position:relative}.efficiency-ticks span:nth-child(2){position:absolute;left:40%;transform:translateX(-50%)}
.price-settings{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:6px 0 19px;padding:15px 0}.price-settings summary{font-size:14px;cursor:pointer;line-height:1.9}.price-settings .hint{color:var(--muted);font-size:12px;margin-left:5px}.fuels{display:flex;gap:5px;margin-top:15px}.fuels button{flex:1;min-width:0;background:#f6f2ed;border:0;border-radius:8px;font-size:14px;padding:10px 2px;min-height:44px}.fuels button[aria-pressed=true]{background:var(--soft);box-shadow:inset 0 0 0 1px #f4b182;color:var(--accent);font-weight:700}.price-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;font-size:14px}.price-row div{display:flex;align-items:baseline;gap:6px}#price{width:80px;font-size:23px;border:1px solid #ded5cb;border-radius:7px;padding:6px;text-align:right;color:var(--ink)}#price-status{font-size:12px;line-height:1.8;color:var(--muted)}.result{font-size:14px;line-height:1.8}.result>span,.result>strong{display:block}.result>strong{font-size:32px;font-weight:650;margin-top:5px;line-height:1.3}.result>strong small{font-size:14px;font-weight:400;margin-left:5px}
.notes{border-top:1px solid var(--line);padding-top:14px;margin-top:14px;font-size:12px;color:var(--muted);line-height:1.9;max-width:820px}.notes p{margin:0 0 10px}.notes summary{font-size:14px;cursor:pointer;margin:14px 0 8px}.factor-label{display:flex;align-items:center;gap:15px;margin:14px 0;font-size:14px}.factor-label select{width:160px;font-size:14px;min-height:40px}footer{display:flex;gap:18px;align-items:center;flex-wrap:wrap;padding:30px 0 8px;font-size:12px;color:var(--muted)}footer span{margin-right:auto}.footer-home{font-family:var(--display);font-size:15px;font-weight:900;color:var(--ink)}footer a{text-decoration:none}footer a:hover{color:var(--accent)}.station-pin{background:var(--orange);color:#fff;border:3px solid white;border-radius:50%;text-align:center;line-height:28px;font-weight:800;box-shadow:0 2px 9px #4a3a2f40}.ring-label{background:white;border:0;border-radius:5px;font-weight:650;font-size:12px;color:var(--ink);padding:3px 5px}.leaflet-tooltip:before{display:none}.user-dot{background:#387fe2;width:16px;height:16px;border-radius:50%;border:3px solid white;box-shadow:0 0 0 7px #387fe233,0 1px 4px #1d3c6540}#map-error{position:absolute;z-index:600;bottom:80px;left:12px;right:12px;background:white;padding:10px;font-size:14px;border-radius:8px}#toast{position:fixed;bottom:max(20px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);z-index:3000;background:#4a3a2f;color:white;padding:12px 18px;border-radius:10px;font-size:14px;max-width:90vw;display:none}#toast.show{display:block}
@media(max-width:850px){header{height:64px;padding:0 20px}.brand img{width:148px;height:37px}.share{padding:8px 12px}.share span{font-size:14px}main{padding:17px 20px 20px}.intro{margin-bottom:22px}h1{font-size:26px;line-height:1.65;margin-bottom:11px}h1 span{display:inline}.intro p{font-size:15px;line-height:1.85}.wide-only{display:none}.workspace{display:flex;flex-direction:column;gap:0}.destination{width:100%;padding:0;border:0;margin-bottom:18px}.destination label{font-size:14px;margin-bottom:7px}.destination select{height:46px;font-size:16px}.map-column{width:100%}.map-toolbar{height:48px}.modes button{font-size:14px;padding:7px 13px;min-height:36px}.location{font-size:14px}.map-wrap{height:35svh;min-height:255px;max-height:360px;border-radius:13px}.map-badge{font-size:12px;top:10px;left:10px}.legend-heading{margin:13px 0 5px;font-size:13px}.legend{gap:4px}.legend b{font-size:22px}.legend button{min-height:58px;padding:5px 0}.legend .distance{font-size:12px}.road-status{min-height:39px;padding:7px 0;font-size:12px}.controls{width:100%;padding-top:6px}.slider-group{padding:11px 0 15px}.range-title output{font-size:31px}.range-title label{font-size:16px}input[type=range]{margin-top:6px}.ticks{line-height:1.3}.price-settings{padding:12px 0;margin:10px 0 16px}.price-settings summary{font-size:14px}.result{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px}.result>strong{font-size:28px;white-space:nowrap;margin:0}.notes{margin-top:22px;padding-top:14px}footer{gap:12px}footer span{flex-basis:calc(100% - 140px)}.fit{bottom:30px}}
@media(max-width:360px){header{padding:0 16px}main{padding-left:16px;padding-right:16px}h1{font-size:23px}.intro p{font-size:14px}.legend-heading{font-size:12px}.modes button{padding-left:10px;padding-right:10px}.price-row{flex-wrap:wrap}}
@media(min-width:851px) and (max-width:1050px){.workspace{grid-template-columns:minmax(0,1fr) 260px;column-gap:24px}}
.price-link{display:inline-block;padding:8px 0;font-size:12px;line-height:1.7;color:var(--accent);text-underline-offset:3px}
.range-title output{flex-shrink:0}
/* ページ下：ホームへの控えめな案内 */
.home-link{margin:34px 0 4px;padding:24px 16px 8px;border-top:1px solid var(--line);text-align:center}.home-link p{margin:0 0 14px;font-size:13px;color:var(--muted);line-height:1.8}.home-link .nb{display:inline-block}.home-btn{display:inline-block;padding:11px 26px;border:1.5px solid var(--orange);border-radius:999px;color:var(--accent);font-weight:700;font-size:14px;text-decoration:none;transition:.2s}.home-btn:hover{background:var(--soft)}
/* ヘッダーのロゴ：トップページと同じ「年輪マーク＋文字」の組み方 */
.brand{gap:10px}.brand img{width:40px;height:40px;display:block}
.brand .lt{font-family:var(--display);font-weight:900;font-size:17px;line-height:1;color:var(--ink);display:flex;flex-direction:column;letter-spacing:.05em}
.brand .lt small{font-family:var(--font);font-size:8px;font-weight:700;letter-spacing:.22em;color:var(--muted);margin-top:4px}
/* 共有ボタンの横にXボタン */
.header-actions{display:flex;align-items:center;gap:8px}
.share-x{width:44px;padding:0;justify-content:center}
.share-x svg{width:16px;height:16px;fill:var(--ink);stroke:none}
/* 題名の下の「非公式」バッジ */
.unofficial{display:inline-block;margin:0 0 14px;padding:2px 11px;border:1px solid #fcdec7;border-radius:999px;background:var(--soft);color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.08em}
/* 価格差ボタンの数字：縦長の丸ゴシックではなく、本文と同じゴシックの太字 */
.legend b{font-family:var(--font);font-weight:700;letter-spacing:-.01em}
@media(max-width:850px){
 /* スマホは地図を正方形に（幅はそのまま） */
 .map-wrap{height:auto;aspect-ratio:1/1;min-height:0;max-height:none}
 .share-x{width:40px;padding:0}
}
@media(max-width:680px){.brand img{width:34px;height:34px}.brand .lt{font-size:15px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}