{"name":"速度単位変換","short_name":"速度単位変換","description":"km/h、mph、m/s、ノットなど、様々な速度単位を無料でオンライン変換。インストール不要で、今すぐお試しください。マッハやft/sにも対応。ブラウザ内で完結し、登録不要・データ送信なしで安全です。","start_url":"/ja/speed-unit-converter/","scope":"/ja/speed-unit-converter/","display":"standalone","background_color":"#f5f8fc","theme_color":"#14365d","lang":"ja","dir":"ltr","icons":[{"src":"/icons/icon-192.png","sizes":"192x192","type":"image/png","purpose":"any"},{"src":"/icons/icon-512.png","sizes":"512x512","type":"image/png","purpose":"any"},{"src":"/icons/icon-maskable-512.png","sizes":"512x512","type":"image/png","purpose":"maskable"}]}