:root{--show-fade-animation:1}[data-theme=light]{--background-color:#fff;--secondary-foreground-color:#000;--primary-subtle-color:#0470ee;--secondary-subtle-color:#f4f8fd;--titles-color:#333;--link-color:#133467;--primary-border-color:#9b9b9b;--secondary-border-color:#f0f8ff;--article-shadow-normal:0 10px 10px rgba(0,0,0,.08);--article-shadow-hover:0 4px 60px 0 rgba(0,0,0,.2);--transparent-background-color:hsla(0,0%,100%,.99);--footer-background-color:#133467;--submenu-shadow-color-opacity:0.25;--button-shadow-color-normal:hsla(0,0%,42%,.2);--button-shadow-color-hover:hsla(0,0%,42%,.3);--table-background-color-odd:#fafafa;--table-background-color-hover:#eee;--table-head-border-bottom:#e2e2e2;--toggle-darkmode-button-display-moon:block;--toggle-darkmode-button-display-sun:none;--toggle-darkmode-background-color:rgba(0,0,0,.05);--header-menu-gradient-first-color:hsla(0,0%,100%,0);--header-menu-gradient-second-color:#fff;--kg-card-img-invert-color:0}[data-theme=dark]{--background-color:#111;--secondary-foreground-color:#fff;--primary-subtle-color:#2c2fe6;--secondary-subtle-color:#141920;--titles-color:#b4b4b4;--link-color:#b6b7f6;--primary-border-color:#1d1d1d;--secondary-border-color:#0f0f0f;--article-shadow-normal:0 4px 5px 5px rgba(0,0,0,.1);--article-shadow-hover:0 4px 5px 10px rgba(0,0,0,.1);--transparent-background-color:rgba(0,0,0,.99);--footer-background-color:#080808;--submenu-shadow-color-opacity:0.55;--button-shadow-color-normal:hsla(0,0%,4%,.5);--button-shadow-color-hover:hsla(0,0%,4%,.5);--table-background-color-odd:#050505;--table-background-color-hover:#222;--table-head-border-bottom:#1d1d1d;--toggle-darkmode-button-display-moon:none;--toggle-darkmode-button-display-sun:block;--toggle-darkmode-background-color:rgba(0,0,0,.5);--header-menu-gradient-first-color:hsla(0,0%,7%,0);--header-menu-gradient-second-color:hsla(0,0%,7%,.65);--kg-card-img-invert-color:1}[data-theme=light]{--primary-foreground-color:#333}[data-theme=dark]{--primary-foreground-color:#ccc}:root{--sb-primary-light-1:#054ada;--sb-primary-dark-1:#00bfff;--sb-accent-light-1:#ff8000;--sb-accent-dark-1:#ff4500;--sb-secondary-1:#333030;--sb-secondary-2:#6c6c6c;--sb-secondary-3:#f7f7f9;--black:#000;--white:#fff;--cta-footer-background-color:var(--sb-primary-1);--sb-toc-border:#e7e7e7;--sb-toc-item-active:rgba(5,74,218,.06);--sb-gray-border:#444}[data-theme=light]{--sb-primary-1:var(--sb-primary-light-1);--sb-accent-1:var(--sb-accent-light-1);--color-list-item:rgba(51,51,51,.4);--cta-sidebar-wrapper:var(--sb-secondary-3);--cta-footer-background-color:var(--sb-primary-1);--primary-foreground-color:#4a4a4a;--footer-background-color:#000}[data-theme=dark]{--sb-primary-1:var(--sb-primary-dark-1);--sb-accent-1:var(--sb-accent-dark-1);--cta-sidebar-wrapper:var(--sb-secondary-1);--color-list-item:#f7f7f9;--cta-footer-background-color:var(--sb-secondary-1)}body{--primary-subtle-color:var(--sb-accent-light-1)!important}.in-post .l-post-content h2{border-bottom:4px solid var(--sb-accent-light-1)}.in-post figure img{background:var(--primary-foreground-color);border:1px solid var(--primary-foreground-color);margin-bottom:40px;margin-top:15px;text-align:center}img.inline{display:inline!important;margin:0;width:auto}.m-hero{padding:60px 0 75px}@media only screen and (min-width:35.5rem){.m-hero{padding:100px 0 75px}}.m-hero.with-text{background-color:#000;color:#fff}.m-hero.with-text .m-heading__title{color:#fff}.m-heading__meta__tag,.m-heading__meta__time{color:#fff!important}.sidebar-right-cta-helper{display:none}.m-comments{padding-bottom:40px}.m-article-card__tag{line-height:48px;top:0!important}.m-icon-button.in-featured-articles,.m-icon-button.in-recommended-articles{height:48px;width:48px}.m-featured-article__author{height:48px!important;margin-bottom:0!important;width:48px!important}.m-featured-article__tag{display:inline-block;line-height:48px}.home-section-block{margin-bottom:1rem}.home-section-block h2{margin-bottom:.2rem}.l-post-content table{font-size:.9rem!important;width:100%}.l-post-content table tr:hover{background-color:var(--table-background-color-hover)!important}.l-post-content table td,.l-post-content table th{border:1px solid var(--table-background-color-hover);padding:12px 2px 12px 12px;text-align:left!important}.sb-button{background:#000;border:1px solid #fff;border-radius:6px;box-shadow:0 0!important;color:#fff!important;cursor:pointer;font-size:1rem;font-weight:600;margin:4px 2px;padding:8px 16px;text-decoration:none!important;transition-duration:.4s}.sb-button:focus,.sb-button:hover{background:#fff;border:1px solid #000;color:#000!important}.sb-button.small{font-size:.8rem}.sb-button.large{margin:8px 4px;padding:16px 32px}.sb-button.primary-light{background:#fff;border:1px solid #000;color:#000!important}.sb-button.primary-light:hover{background:#000;border:1px solid #fff;color:#fff!important}:root{font-size:16px}body{font-family:IBM Plex Sans,sans-serif}.m-header{box-shadow:none!important;position:absolute}.m-header.headroom--pinned{transform:none}.m-header .m-logo{height:60px}.m-header .m-logo.in-mobile-topbar{height:50px}.m-header .in-mobile-topbar{margin:0}.l-content{padding-bottom:0}.m-recent-articles{margin:0 -20px 40px;overflow:hidden}@media only screen and (min-width:80rem){.l-post-content figure.kg-width-wide,.l-post-content.kg-image-card.kg-width-wide{margin:0}}.l-post-content a{color:var(--sb-primary-1);text-decoration:none}.l-post-content a:hover{color:var(--sb-accent-1)}[lang=ja] .m-nav__left .m-icon-button.more,[lang=ja] .m-nav__left li.more .icon-chevron-down{font-size:6px}@media only screen and (min-width:64rem){.l-wrapper.in-post{max-width:1200px}}.l-wrapper.in-post{overflow:visible;position:relative}@media only screen and (min-width:64rem){.l-wrapper.in-post{padding:0 195px}}@media only screen and (min-width:80rem){.l-wrapper.in-post{padding:0 255px}}.gh-content-side{margin-bottom:24px;padding-right:8px;width:100%}@media only screen and (min-width:64rem){.gh-content-side{margin-bottom:0;width:180px}}@media only screen and (min-width:80rem){.gh-content-side{padding-right:12px;width:240px}}@media only screen and (min-width:64rem){.sidebar-left{left:0}.sidebar-left,.sidebar-right{bottom:0;margin:0;position:absolute;top:8px}.sidebar-right{right:0}}@media only screen and (min-width:48rem){.gh-sticky-sidebar{overflow-y:auto;position:sticky;top:80px}}.gh-sidebar-cta{background-color:var(--cta-sidebar-wrapper);display:flex;flex-direction:column;padding:16px;text-align:center}.gh-sidebar-cta a.sb-button:not(:hover){border-color:transparent!important}.gh-sidebar-cta p{font-size:1rem!important;text-align:left}.gh-toc-title,.toc-list-item{padding:4px 8px 6px 28px}.gh-toc-wrapper{border:1px solid var(--sb-toc-border);padding:12px}@media only screen and (min-width:64rem){.gh-toc-wrapper{border:0;border-right:1px solid var(--sb-toc-border);padding:0}}.gh-toc a:before{background-color:transparent}.gh-toc ol,.gh-toc ul{padding:0!important}.gh-toc li,.gh-toc ol,.gh-toc ul{margin-bottom:0!important}.toc-list{font-size:.9rem!important}.toc-list li.is-active-li{background-color:var(--sb-toc-item-active)}.is-active-link{font-weight:600}.toc-list{counter-reset:li;list-style-type:none;padding:0}.toc-list li{line-height:20px;position:relative}.toc-list li a{color:var(--primary-foreground-color);text-decoration:none}.toc-list li.is-active-li a{color:var(--sb-primary-1)}.toc-list li.is-active-li a:hover{color:var(--sb-accent-1)}.toc-list li:before{color:var(--color-list-item);content:counter(li) ". ";counter-increment:li;font-weight:400;left:0;position:absolute;text-align:right;width:24px}.sb-mobile-topbar-s1{align-items:center;display:flex}.sb-mobile-topbar-s2{margin-right:12px}.m-header{color:#fff}.m-header,.m-header.submenu-is-active,.m-header.with-picture{background-color:#000}.m-header a:hover{color:var(--sb-accent-1)!important}.m-header .m-menu,.m-header .m-submenu{background-color:#000}.m-header .m-submenu{border-top:1px solid var(--sb-gray-border)}.m-header .in-mobile-topbar,.m-header .m-icon-button,.m-header .m-icon-button.outlined,.m-header .m-nav__left li,.m-header .m-recent-article__date,.m-header .m-recent-article__title{color:#fff}.m-header .m-icon-button.outlined{border-color:#fff}.m-header .m-tags li a{color:#fff}.m-header .m-nav__right:before{background:0 0}.m-header .m-toggle-darkmode span{color:#fff}.m-footer__content-wrapper{margin:0 auto}.m-footer__content-wrapper .m-footer-global-menu .heading{font-weight:700;margin:20px 0}.m-footer__content-wrapper .m-footer-global-menu ul{list-style:none;margin-top:0;padding:0}.m-footer__content-wrapper .m-footer-global-menu ul li{padding:5px 0 0}.m-footer__content-wrapper .m-footer-global-menu ul li a{line-height:1.6rem}.m-footer__content-wrapper .m-footer-global-menu ul li a:hover{color:var(--sb-accent-light-1)}.m-footer__content-wrapper .column{display:flex;flex-direction:column;margin-bottom:20px;position:relative;text-align:center;width:100%}@media only screen and (min-width:48rem){.m-footer__content-wrapper .column{margin-bottom:20px;margin-left:10px;margin-right:10px;text-align:start;width:calc(50% - 20px)}}@media only screen and (min-width:64rem){.m-footer__content-wrapper .column{margin-bottom:40px;margin-left:20px;margin-right:20px;width:calc(25% - 40px)}}@media only screen and (min-width:48rem){.m-footer__content-wrapper{max-width:1200px;padding:0 20px}.m-footer__content-wrapper .m-footer-global-menu{display:flex;flex-wrap:wrap;margin:0 auto}}.m-footer__content,.m-full-width-block{margin:0;max-width:100%}.m-full-width-block{padding:50px 0 75px;text-align:center}.breadcrumb{border-radius:.25rem;display:flex;flex-wrap:wrap;list-style:none;margin-bottom:1rem;margin-top:4rem!important;padding:.75rem 2rem .75rem 0}.breadcrumb li{font-size:1rem;font-weight:600;margin-bottom:0!important}.breadcrumb li a{text-decoration:none}.breadcrumb li a:hover{color:var(--sb-accent-1)}.breadcrumb-item+.breadcrumb-item:before{content:"/";display:inline-block;padding-left:.5rem;padding-right:.5rem}