*,*:before,*:after{box-sizing:border-box}html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:rgba(0,0,0,0)}article,aside,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;text-align:left;background-color:#fff}[tabindex="-1"]:focus{outline:0!important}hr{box-sizing:content-box;height:0;overflow:visible}p{margin-top:0;margin-bottom:1rem}abbr[title],abbr[data-original-title]{text-decoration:underline;-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;border-bottom:0;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul,dl{margin-top:0;margin-bottom:1rem}ol ol,ul ul,ol ul,ul ol{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#007bff;text-decoration:none;background-color:transparent}a:hover{color:#0056b3;text-decoration:underline}a:not([href]):not([tabindex]){color:inherit;text-decoration:none}a:not([href]):not([tabindex]):hover,a:not([href]):not([tabindex]):focus{color:inherit;text-decoration:none}a:not([href]):not([tabindex]):focus{outline:0}pre,code,kbd,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:1em}pre{margin-top:0;margin-bottom:1rem;overflow:auto}figure{margin:0 0 1rem}img{vertical-align:middle;border-style:none}svg{overflow:hidden;vertical-align:middle}table{border-collapse:collapse}caption{padding-top:.75rem;padding-bottom:.75rem;color:#6c757d;text-align:left;caption-side:bottom}th{text-align:inherit}label{display:inline-block;margin-bottom:.5rem}button{border-radius:0}button:focus{outline:1px dotted;outline:5px auto -webkit-focus-ring-color}input,button,select,optgroup,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,input{overflow:visible}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{padding:0;border-style:none}input[type=radio],input[type=checkbox]{box-sizing:border-box;padding:0}input[type=date],input[type=time],input[type=datetime-local],input[type=month]{-webkit-appearance:listbox}textarea{overflow:auto;resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{display:block;width:100%;max-width:100%;padding:0;margin-bottom:.5rem;font-size:1.5rem;line-height:inherit;color:inherit;white-space:normal}progress{vertical-align:baseline}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:none}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}summary{display:list-item;cursor:pointer}template{display:none}[hidden]{display:none!important}html,body{background:var(--background-weak);font-family:helvetica,Segoe UI,游ゴシック体,YuGothic,游ゴシック Medium,Yu Gothic Medium,游ゴシック,Yu Gothic,メイリオ,Meiryo,sans-serif;color:#293030}html{line-height:1}body{font-size:17px;line-height:1.6}img{vertical-align:baseline}a{color:#293030}a:hover{color:#586767;transition:all .3s}.head{margin:16px 0 32px}.date{color:#6f8383;font-size:.9rem}.title{font-size:2rem;font-weight:700;line-height:1.25;margin:4px 0 0;padding:0;color:#293030}.date-last-updated{color:#6f8383;font-size:.9rem}.entry{background:#fff;border:1px solid #f0f1f1;max-width:1200px;margin:0 auto;padding-top:calc(var(--header-height) + var(--page-top-padding));padding-right:16px;padding-bottom:40px;padding-left:16px;@media (max-width: 720px){padding-top:calc(var(--header-height-mobile) + var(--page-top-padding));padding-right:16px;padding-bottom:40px;padding-left:16px}}.entry-header{position:relative;margin-bottom:1.5em}@media (min-width: 481px){.entry-header{margin-bottom:3em}}.entry-header-menu{position:absolute;top:0;right:0;margin-bottom:1em}.entry-header-menu a{background:#f9fafb;border:1px solid #cfd8d8;padding:5px 10px;font-size:.9rem}.entry-header-menu a:hover{background:#f3f5f7;text-decoration:none}.entry-title{margin-bottom:.5em;font-family:Times New Roman,游明朝体,YuMincho,游明朝,Yu Mincho,serif;font-size:130%;font-weight:400;line-height:1.5}@media (min-width: 768px){.entry-title{font-size:190%}}.entry-content{font-size:1rem;line-height:1.25}.entry-content a{color:#119e4d}.entry-content a:hover{color:#0c7037}.entry-content a.keyword{-webkit-text-decoration:underline dotted #cfd8d8;text-decoration:underline dotted #cfd8d8}.entry-content a.keyword:hover{color:#586767;-webkit-text-decoration:underline dotted #ffffff;text-decoration:underline dotted #ffffff}.entry-content img,.entry-content video{max-width:100%;height:auto;width:auto;max-height:400px;display:block;margin:0 auto}.entry-content h2,.entry-content h3,.entry-content h4,.entry-content h5,.entry-content h6{margin:24px 0 12px;line-height:1.25}.entry-content h2{font-size:165%}.entry-content h3{padding-bottom:10px;font-size:140%;border-bottom:1px solid #cfd8d8}.entry-content h4{font-size:130%}.entry-content h5{padding-bottom:10px;font-size:120%;border-bottom:1px solid #cfd8d8}.entry-content h6{font-size:100%}.entry-content ul,.entry-content ol,.entry-content dd{margin:0 0 1em 1.5em;padding:0;line-height:1.7}.entry-content ul li ul,.entry-content ol li ul,.entry-content dd li ul,.entry-content ul li ol,.entry-content ol li ol,.entry-content dd li ol{margin-bottom:0}.entry-content dl{margin-top:2em}.entry-content dl dt{margin-bottom:.8em}.entry-content p{margin:0 0 .7em}.entry-content h1,.entry-content h2,.entry-content h3,.entry-content h4,.entry-content h5,.entry-content h6,.entry-content .footnote-number{scroll-margin-top:56px}.entry-content blockquote{position:relative;padding:9px 15px 9px 40px;border:1px solid #f0f1f1}@media (min-width: 1020px){.entry-content blockquote{padding:20px 20px 20px 60px}}.entry-content blockquote:before{display:inline-block;position:absolute;top:10px;left:10px;vertical-align:middle;content:"“";font-size:40px;font-family:Times New Roman,游明朝体,YuMincho,游明朝,Yu Mincho,serif;color:#6f8383;line-height:1}@media (min-width: 1020px){.entry-content blockquote:before{left:15px;font-size:70px}}.entry-content blockquote p{margin-bottom:0;font-size:1.2rem}.entry-content blockquote cite{display:block;margin-top:.5rem;text-align:right;font-size:85%;line-height:1.3}.entry-content table{border-collapse:collapse;border-spacing:0;border-bottom:1em;margin-bottom:1em;width:100%;overflow:auto;display:block}.entry-content table th,.entry-content table td{border:1px solid #f0f1f1;padding:5px 10px}.entry-content table th{background:#f9fafb}.entry-content pre,.entry-content code{font-family:Monaco,Consolas,Courier New,Courier,monospace,sans-serif}.entry-content pre{background:#293030;border:none;white-space:pre-wrap;text-overflow:ellipsis ellipsis;font-size:100%;font-size:.9rem;padding:10px;color:#ccc}@media (min-width: 768px){.entry-content pre{font-size:.85rem;padding:15px}}.entry-content pre>code{margin:0;padding:0;white-space:pre;border:none;background-color:transparent;font-family:Monaco,Consolas,Courier New,Courier,monospace,sans-serif}.entry-content code{font-size:90%;margin:0 .1em;padding:0 5px;border-radius:3px}.entry-content .table-of-contents{background:#f9fafb;margin-left:0;padding:15px 10px 15px 35px;font-size:16px}@media (min-width: 768px){.entry-content .table-of-contents{padding:20px 20px 20px 50px}}.entry-footer{margin-top:1em}.entry-footer-modules .hatena-module{padding:0}.entry-footer-section{margin-bottom:8px;color:#6f8383;font-size:.9rem}.entry-footer-section a{color:#6f8383}.archive-module-calendar .calendar-day a{color:#119e4d;font-weight:700}.archive-module-calendar .calendar-day a:hover{color:#0c7037}.hatena-module-recent-comments .user-id span{font-size:12px;opacity:.7}.archive-header-category{margin-bottom:.3em}.page-archive .archive-heading{margin:.5em .7em 1.3em;line-height:1.5}@media (min-width: 1020px){.page-archive .archive-heading{margin:.5em 0 1.3em}}.page-archive .archive-entry{background:#fff;border:1px solid #f0f1f1;margin-bottom:30px;padding:9% 6% 6%}@media (min-width: 768px){.page-archive .archive-entry{padding:6%}}@media (min-width: 768px){.page-archive .archive-entry .entry-title{font-size:150%}}