.emdash-image-media[data-astro-cid-6depetnu]{max-width:100%;height:auto}:where(:root.dark) .emdash-image--light,:where(:root.light) .emdash-image--dark{display:none}@media (prefers-color-scheme:dark){:where(:root:not(.light)) .emdash-image--light{display:none}}@media (prefers-color-scheme:light){:where(:root:not(.dark)) .emdash-image--dark{display:none}}.has-text-align-center[data-astro-cid-44ocxh3s]{text-align:center}.has-text-align-right[data-astro-cid-44ocxh3s]{text-align:right}.has-text-align-justify[data-astro-cid-44ocxh3s]{text-align:justify}.emdash-image[data-astro-cid-nzlefzml]{margin:1.5rem 0}.emdash-image[data-astro-cid-nzlefzml] img[data-astro-cid-nzlefzml]{max-width:100%;height:auto}.emdash-image[data-astro-cid-nzlefzml] figcaption[data-astro-cid-nzlefzml]{color:var(--emdash-caption-color,var(--color-muted,#666));text-align:center;margin-top:.5rem;font-size:.875rem}.emdash-image--align-left[data-astro-cid-nzlefzml],.emdash-image--align-right[data-astro-cid-nzlefzml]{width:fit-content;max-width:50%}.emdash-image--align-left[data-astro-cid-nzlefzml]{float:left;margin:0 1.5rem 1rem 0}.emdash-image--align-right[data-astro-cid-nzlefzml]{float:right;margin:0 0 1rem 1.5rem}.emdash-image--align-center[data-astro-cid-nzlefzml]{width:fit-content;margin-inline:auto}.emdash-image--align-wide[data-astro-cid-nzlefzml],.emdash-image--align-full[data-astro-cid-nzlefzml]{width:100%}@media (width<=640px){.emdash-image--align-left[data-astro-cid-nzlefzml],.emdash-image--align-right[data-astro-cid-nzlefzml]{float:none;width:100%;max-width:100%;margin-inline:0}}.emdash-code[data-astro-cid-dgremz56]{margin:1.5rem 0}.emdash-code-filename[data-astro-cid-dgremz56]{color:#ccc;background:#2d2d2d;border-radius:.5rem .5rem 0 0;padding:.5rem 1rem;font-family:monospace;font-size:.75rem}.emdash-code[data-astro-cid-dgremz56] pre[data-astro-cid-dgremz56]{background:#1e1e1e;border-radius:.5rem;margin:0;padding:1rem;overflow-x:auto}.emdash-code-filename[data-astro-cid-dgremz56]+pre[data-astro-cid-dgremz56]{border-radius:0 0 .5rem .5rem}.emdash-code[data-astro-cid-dgremz56] code[data-astro-cid-dgremz56]{color:#e0e0e0;font-family:Fira Code,Consolas,monospace;font-size:.875rem}.emdash-embed[data-astro-cid-n4v2ghzc]{margin:1.5rem 0}.emdash-embed-video[data-astro-cid-n4v2ghzc]{height:0;padding-bottom:56.25%;position:relative;overflow:hidden}.emdash-embed-video[data-astro-cid-n4v2ghzc] iframe[data-astro-cid-n4v2ghzc],.emdash-embed-video[data-astro-cid-n4v2ghzc] video[data-astro-cid-n4v2ghzc]{border:0;width:100%;height:100%;position:absolute;top:0;left:0}.emdash-embed-audio[data-astro-cid-n4v2ghzc],.emdash-embed-audio[data-astro-cid-n4v2ghzc] audio[data-astro-cid-n4v2ghzc]{width:100%}.emdash-embed[data-astro-cid-n4v2ghzc] figcaption[data-astro-cid-n4v2ghzc]{color:var(--emdash-caption-color,var(--color-muted,#666));text-align:center;margin-top:.5rem;font-size:.875rem}.emdash-gallery[data-astro-cid-d6nmylgu]{grid-template-columns:repeat(var(--columns,3), 1fr);gap:1rem;margin:1.5rem 0;display:grid}.emdash-gallery-item[data-astro-cid-d6nmylgu]{margin:0}.emdash-gallery-item[data-astro-cid-d6nmylgu] img[data-astro-cid-d6nmylgu]{object-fit:cover;aspect-ratio:1;width:100%;height:auto}.emdash-gallery-item[data-astro-cid-d6nmylgu] figcaption[data-astro-cid-d6nmylgu]{color:var(--emdash-caption-color,var(--color-muted,#666));text-align:center;margin-top:.25rem;font-size:.75rem}@media (width<=640px){.emdash-gallery[data-astro-cid-d6nmylgu]{grid-template-columns:repeat(2,1fr)}}.emdash-columns[data-astro-cid-sjaxkm7w]{gap:2rem;margin:1.5rem 0;display:flex}.emdash-column[data-astro-cid-sjaxkm7w]{flex:1;min-width:0}@media (width<=768px){.emdash-columns[data-astro-cid-sjaxkm7w]{flex-direction:column;gap:1rem}}.emdash-break[data-astro-cid-gvovdxls]{margin:2rem 0}.emdash-break-line[data-astro-cid-gvovdxls]{border:none;border-top:1px solid var(--emdash-break-color,var(--color-border,#e0e0e0))}.emdash-break-dots[data-astro-cid-gvovdxls]{text-align:center;color:var(--emdash-break-dots-color,var(--color-muted,#999));letter-spacing:.5em}.emdash-break-space[data-astro-cid-gvovdxls]{height:2rem}iframe[data-emdash-html-block]{border:0;width:100%;margin:1.5rem 0;display:block}.emdash-html-block[data-astro-cid-7hlqo6bn]{margin:1.5rem 0}.emdash-iframe[data-astro-cid-fhxykd76]{aspect-ratio:16/9;width:100%;margin:1.5rem 0}.emdash-iframe[data-astro-cid-fhxykd76] iframe{border:0;width:100%;height:100%;display:block}.emdash-video[data-astro-cid-ymu5gvpn]{margin:1.5rem 0}.emdash-video[data-astro-cid-ymu5gvpn] video[data-astro-cid-ymu5gvpn]{width:100%;height:auto;max-height:70vh;display:block}.emdash-video[data-astro-cid-ymu5gvpn] figcaption[data-astro-cid-ymu5gvpn]{color:var(--emdash-caption-color,var(--color-muted,#666));text-align:center;margin-top:.5rem;font-size:.875rem}.emdash-table-wrapper[data-astro-cid-7uypp5bz]{overscroll-behavior-inline:contain;max-inline-size:100%;margin-block:1.5rem;overflow-x:auto}.emdash-table[data-astro-cid-7uypp5bz]{border-collapse:collapse;inline-size:100%;font-size:.9rem}.emdash-table[data-astro-cid-7uypp5bz] th[data-astro-cid-7uypp5bz],.emdash-table[data-astro-cid-7uypp5bz] td[data-astro-cid-7uypp5bz]{border:1px solid var(--color-border,#ddd);text-align:start;vertical-align:top;padding:.75rem;position:relative}.emdash-table[data-astro-cid-7uypp5bz] th[data-astro-cid-7uypp5bz] p,.emdash-table[data-astro-cid-7uypp5bz] td[data-astro-cid-7uypp5bz] p{margin:0}.emdash-table[data-astro-cid-7uypp5bz] th[data-astro-cid-7uypp5bz]{background:var(--color-surface,#f5f5f5);font-weight:600}.emdash-table[data-astro-cid-7uypp5bz] tbody[data-astro-cid-7uypp5bz] tr[data-astro-cid-7uypp5bz]:nth-child(2n){background:var(--color-bg-subtle,#fafafa)}.emdash-table[data-astro-cid-7uypp5bz] tbody[data-astro-cid-7uypp5bz] tr[data-astro-cid-7uypp5bz]:hover{background:var(--color-surface,#f0f0f0)}.emdash-button[data-astro-cid-i644adhy]{cursor:pointer;border-radius:4px;padding:.75em 1.5em;font-weight:500;text-decoration:none;transition:background-color .2s,border-color .2s,color .2s;display:inline-block}.emdash-button--default[data-astro-cid-i644adhy],.emdash-button--fill[data-astro-cid-i644adhy]{background-color:var(--emdash-button-bg,#0073aa);color:var(--emdash-button-color,#fff);border:2px solid var(--emdash-button-bg,#0073aa)}.emdash-button--default[data-astro-cid-i644adhy]:hover,.emdash-button--fill[data-astro-cid-i644adhy]:hover{background-color:var(--emdash-button-bg-hover,#005177);border-color:var(--emdash-button-bg-hover,#005177)}.emdash-button--outline[data-astro-cid-i644adhy]{color:var(--emdash-button-bg,#0073aa);border:2px solid var(--emdash-button-bg,#0073aa);background-color:#0000}.emdash-button--outline[data-astro-cid-i644adhy]:hover{background-color:var(--emdash-button-bg,#0073aa);color:var(--emdash-button-color,#fff)}.emdash-buttons[data-astro-cid-pxkpowas]{flex-wrap:wrap;gap:.75rem;margin:1.5rem 0;display:flex}.emdash-buttons--vertical[data-astro-cid-pxkpowas]{flex-direction:column;align-items:flex-start}.emdash-buttons--horizontal[data-astro-cid-pxkpowas]{flex-direction:row;align-items:center}.emdash-cover[data-astro-cid-g6rigryn]{background-color:var(--emdash-cover-fallback-bg,#333);border-radius:4px;align-items:center;margin:1.5rem 0;padding:2rem;display:flex;position:relative;overflow:hidden}.emdash-cover__background[data-astro-cid-g6rigryn]{object-fit:cover;z-index:0;width:100%;height:100%;position:absolute;inset:0}.emdash-cover__video[data-astro-cid-g6rigryn]{object-fit:cover}.emdash-cover__overlay[data-astro-cid-g6rigryn]{z-index:1;position:absolute;inset:0}.emdash-cover__content[data-astro-cid-g6rigryn]{z-index:2;width:100%;color:var(--emdash-cover-text-color,#fff);position:relative}.emdash-cover--align-left[data-astro-cid-g6rigryn]{text-align:left;justify-content:flex-start}.emdash-cover--align-center[data-astro-cid-g6rigryn]{text-align:center;justify-content:center}.emdash-cover--align-right[data-astro-cid-g6rigryn]{text-align:right;justify-content:flex-end}.emdash-cover__content[data-astro-cid-g6rigryn] h1,.emdash-cover__content[data-astro-cid-g6rigryn] h2,.emdash-cover__content[data-astro-cid-g6rigryn] h3,.emdash-cover__content[data-astro-cid-g6rigryn] h4,.emdash-cover__content[data-astro-cid-g6rigryn] p{color:inherit}.emdash-file[data-astro-cid-dsnn5jk3]{background-color:var(--emdash-file-bg,#f5f5f5);border:1px solid var(--emdash-file-border,#e0e0e0);border-radius:4px;align-items:center;gap:.75rem;margin:1rem 0;padding:1rem;display:flex}.emdash-file__link[data-astro-cid-dsnn5jk3]{color:var(--emdash-file-color,#333);flex:1;align-items:center;gap:.5rem;text-decoration:none;display:flex}.emdash-file__link[data-astro-cid-dsnn5jk3]:hover{text-decoration:underline}.emdash-file__icon[data-astro-cid-dsnn5jk3]{width:1.5rem;height:1.5rem;color:var(--emdash-file-icon-color,#666);flex-shrink:0}.emdash-file__name[data-astro-cid-dsnn5jk3]{word-break:break-all;font-weight:500}.emdash-file__download[data-astro-cid-dsnn5jk3]{background-color:var(--emdash-button-bg,#0073aa);width:2.5rem;height:2.5rem;color:var(--emdash-button-color,#fff);border-radius:4px;justify-content:center;align-items:center;transition:background-color .2s;display:flex}.emdash-file__download[data-astro-cid-dsnn5jk3]:hover{background-color:var(--emdash-button-bg-hover,#005177)}.emdash-file__download[data-astro-cid-dsnn5jk3] svg[data-astro-cid-dsnn5jk3]{width:1.25rem;height:1.25rem}.emdash-pullquote[data-astro-cid-mtrxdgkr]{border-top:4px solid var(--emdash-pullquote-border,#0073aa);border-bottom:4px solid var(--emdash-pullquote-border,#0073aa);text-align:center;margin:2rem 0;padding:1.5rem 2rem}.emdash-pullquote__text[data-astro-cid-mtrxdgkr]{color:var(--emdash-pullquote-color,#333);margin:0;font-size:1.5rem;font-style:italic;line-height:1.4}.emdash-pullquote__citation[data-astro-cid-mtrxdgkr]{color:var(--emdash-pullquote-citation-color,#666);margin-top:1rem;font-size:.9rem;font-style:normal}:root{--bg:#e6e6e6;--paper:#fff;--text:#444;--text-muted:#757575;--heading:#444;--link:#21759b;--link-hover:#0f3647;--line:#ededed;--line-strong:#d2d2d2;--code-bg:#f4f4f4;--font:"Helvetica Neue", Arial, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "BIZ UDPGothic", Meiryo, sans-serif;--font-mono:Consolas, Monaco, "Courier New", monospace;--site-width:960px}[hidden]{display:none!important}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;font-size:87.5%}body{background:var(--bg);color:var(--text);font-family:var(--font);overflow-wrap:anywhere;margin:0;font-size:1rem;line-height:1.7}a{color:var(--link);text-decoration:none}a:hover,a:focus-visible{color:var(--link-hover);text-decoration:underline}img{max-width:100%;height:auto}.screen-reader-text{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.skip-link:focus{z-index:100;clip:auto;background:var(--paper);color:#000;border:2px solid #333;border-radius:3px;width:auto;height:auto;padding:8px 12px;top:8px;left:8px;position:fixed!important}.site{max-width:var(--site-width);background:var(--paper);margin:0 auto;padding:0 16px}@media (width>=960px){.site{margin:48px auto;padding:0 40px;box-shadow:0 2px 6px #6464644d}}.site-header{padding:24px 0 0}.site-title{margin:0;font-size:1.857rem;font-weight:400;line-height:1.8}.site-title a{color:#515151}.site-title a:hover{color:var(--link);text-decoration:none}.site-description{color:var(--text-muted);margin:0;font-size:.929rem;font-weight:400;line-height:1.85}.main-navigation{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:24px}.main-navigation ul{flex-wrap:wrap;gap:0 40px;margin:0;padding:0;list-style:none;display:flex}.main-navigation a{color:#6a6a6a;text-transform:uppercase;white-space:nowrap;font-size:.857rem;line-height:3.7;display:inline-block}.main-navigation a:hover,.main-navigation a[aria-current]{color:#000;text-decoration:none}.main-navigation a[aria-current=page]{font-weight:700}.site-main{grid-template-columns:minmax(0,1fr);gap:0 3.5rem;padding:24px 0 0;display:grid}@media (width>=600px){.site-main{grid-template-columns:minmax(0,65.1%) minmax(0,26%);justify-content:space-between}}.site-content{min-width:0}.entry{border-bottom:4px double var(--line);margin-bottom:48px;padding-bottom:24px}.entry:last-child{border-bottom:0}.entry-title{color:var(--heading);margin:0 0 12px;font-size:1.429rem;font-weight:400;line-height:1.5}.entry-title a{color:inherit}.entry-title a:hover{color:var(--link);text-decoration:none}.entry-meta{color:var(--text-muted);margin:0 0 24px;font-size:.929rem;line-height:1.85}.entry-meta a{color:var(--text-muted)}.entry-meta a:hover{color:var(--link)}.entry-meta__sep{margin:0 .4em}.more-link{margin-top:4px;display:inline-block}.entry-content{line-height:1.715}.entry-content>:first-child{margin-top:0}.entry-content p,.entry-content ul,.entry-content ol,.entry-content table,.entry-content figure,.entry-content blockquote,.entry-content pre{margin:0 0 24px}.entry-content h1,.entry-content h2,.entry-content h3,.entry-content h4,.entry-content h5,.entry-content h6{color:var(--heading);margin:24px 0;line-height:1.5}.entry-content h1{font-size:1.5rem}.entry-content h2{font-size:1.286rem}.entry-content h3{font-size:1.143rem}.entry-content h4,.entry-content h5,.entry-content h6{font-size:1rem}.entry-content ul,.entry-content ol{padding-left:1.75em}.entry-content li{margin:0 0 4px}.entry-content img{border-radius:3px;box-shadow:0 1px 4px #0003}.entry-content figure{max-width:100%}.entry-content figcaption{color:var(--text-muted);text-align:center;margin-top:6px;font-size:.857rem;font-style:italic}.entry-content blockquote{color:var(--text-muted);border-left:3px solid var(--line-strong);padding:0 24px;font-style:italic}.entry-content code,.entry-content kbd{background:var(--code-bg);font-family:var(--font-mono);border-radius:2px;padding:1px 4px;font-size:.857rem}.entry-content pre{background:var(--code-bg);border:1px solid var(--line-strong);font-family:var(--font-mono);border-radius:3px;padding:12px 16px;font-size:.857rem;line-height:1.7;overflow-x:auto}.entry-content pre code{background:0 0;padding:0}.entry-content hr{border:0;border-top:1px solid var(--line-strong);margin:24px 0}.entry-content table{border-collapse:collapse;width:100%;max-width:100%;font-size:.857rem;line-height:2;display:block;overflow-x:auto}.entry-content th,.entry-content td{border-top:1px solid var(--line);text-align:left;white-space:nowrap;padding:6px 10px}.entry-content th{color:#636363;font-weight:700}.archive-header{border-bottom:1px solid var(--line);margin-bottom:48px;padding-bottom:22px}.archive-title{color:#636363;text-transform:uppercase;margin:0;font-size:.786rem;font-weight:700;line-height:2.2}.archive-title strong{color:var(--heading);font-size:1.143rem}.archive-meta{color:var(--text-muted);margin:8px 0 0;font-size:.929rem}.pagination{justify-content:space-between;gap:16px;margin:0 0 48px;font-size:.929rem;display:flex}.pagination__next{margin-left:auto}.search-form{gap:8px;margin-top:12px;display:flex}.search-form input{min-width:0;font:inherit;border:1px solid #ccc;border-radius:3px;flex:1;padding:6px 8px}.search-results{margin:0;padding:0;list-style:none}.search-results li{margin:0 0 24px}.search-results .entry-title{margin-bottom:4px;font-size:1.143rem}.search-results p{color:var(--text-muted);margin:0;font-size:.929rem}.search-results mark{color:inherit;background:#fff3a8}.widget-area .widget{margin:0 0 48px;font-size:.929rem;line-height:1.85}.widget-area .widget__title{color:#636363;text-transform:uppercase;margin:0 0 24px;font-size:.786rem;font-weight:700;line-height:2.2}.widget-area ul{margin:0;padding:0;list-style:none}.widget-area li{margin:0}.widget-area .widget-categories__count,.widget-area .widget-archives__count,.widget-area .widget-recent-posts__date{color:var(--text-muted);margin-left:4px}.widget-area .widget-recent-posts__date{margin-left:0;font-size:.857rem;display:block}.widget-area .widget-recent-posts__thumbnail{display:none}.widget-area .widget p{margin:0 0 12px}.widget-search{gap:4px;display:flex}.widget-search__input{min-width:0;font:inherit;border:1px solid #ccc;border-radius:3px;flex:1;padding:4px 6px}.widget-search__button,.btn{color:#7c7c7c;font:inherit;cursor:pointer;background:linear-gradient(#f4f4f4,#e6e6e6);border:1px solid #d2d2d2;border-radius:3px;padding:4px 12px}.widget-search__button{font-size:0}.widget-search__button:after{content:"検索";font-size:.929rem}.widget-search__button:hover,.btn:hover{color:#5e5e5e;background:linear-gradient(#ebebeb,#dedede)}.comments-area{margin:0 0 48px}.comments-area h2,.comments-area .ec-comments-heading{color:var(--heading);margin:0 0 24px;font-size:1rem;font-weight:700}.site-footer{border-top:1px solid var(--line);color:var(--text-muted);margin-top:24px;padding:24px 0;font-size:.857rem;line-height:2}.site-footer p{margin:0}.site-footer a{color:var(--text-muted)}.site-footer a:hover{color:var(--link)}