:root{--accent: #d35454;--accent-dark: #b83b5e;--accent-light: #fce8e8;--secondary: #fcd600;--black: 26, 26, 26;--gray: 107, 114, 128;--gray-light: 243, 244, 246;--gray-dark: 55, 65, 81;--box-shadow: 0 2px 6px rgba(var(--gray), 25%), 0 8px 24px rgba(var(--gray), 33%), 0 16px 32px rgba(var(--gray), 33%);--media-caption-gap: .24rem;--media-caption-font-size: .86rem;--media-caption-line-height: 1.4;--media-caption-color: rgb(var(--gray));--media-caption-inline-padding: .85rem;--media-caption-top-padding: 0;--media-caption-bottom-padding: .5rem}body{font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,Yu Gothic,Meiryo,sans-serif;margin:0;padding:0;text-align:left;background:#fff;word-wrap:break-word;overflow-wrap:break-word;color:rgb(var(--gray-dark));font-size:16px;line-height:1.8}main{width:720px;max-width:calc(100% - 2em);margin:auto;padding:3em 1em}h1,h2,h3,h4,h5,h6{margin:0 0 .5rem;color:rgb(var(--black));line-height:1.2}h2,h3{margin-top:2em}h1{font-size:2em}h2{font-size:1.5em}h3{font-size:1.25em}h4{font-size:1.1em}h5{font-size:1em}strong,b{font-weight:700}a,a:hover{color:var(--accent)}p{margin-bottom:1em}.prose p{margin-bottom:1.5em}textarea{width:100%;font-size:16px}input{font-size:16px}table{width:100%}img{max-width:100%;height:auto;border-radius:0}code{padding:2px 5px;background-color:rgb(var(--gray-light));border-radius:2px}pre{padding:1.5em;border-radius:8px}pre>code{all:unset}figure{margin:1.5em 0;text-align:center}figure img{display:block;margin:0 auto}.prose figure>p{margin:0}.prose figure>p>img{display:block;margin:0 auto}.prose figure>.youtube-embed{--youtube-embed-margin: 0}.prose>.youtube-embed{--youtube-embed-margin: 1.5rem 0}figcaption{margin-top:var(--media-caption-gap);padding:var(--media-caption-top-padding) var(--media-caption-inline-padding) var(--media-caption-bottom-padding);font-size:var(--media-caption-font-size);color:var(--media-caption-color);line-height:var(--media-caption-line-height);display:flex;align-items:flex-start;justify-content:center;text-align:center}figcaption p{margin:0}.prose img{display:block;margin:0 auto}blockquote{border-left:4px solid var(--accent);padding:0 0 0 20px;margin:0;font-size:1em}hr{border:none;border-top:1px solid rgb(var(--gray-light))}@media(max-width:720px){body{font-size:15px}main{padding:1em}}.toc{margin:1.5em 0 2em;padding:1em 1.25em;background:rgb(var(--gray-light));border-left:3px solid var(--accent);border-radius:4px;font-size:.9em}.toc-title{font-weight:700;font-size:.95em;cursor:pointer;list-style:none;display:flex;align-items:center;gap:.4em;color:rgb(var(--gray-dark));user-select:none}.toc-title::-webkit-details-marker{display:none}.toc-title:before{content:"▶";font-size:.7em;transition:transform .2s;color:var(--accent)}details[open]>.toc-title:before{transform:rotate(90deg)}.toc .toc-list{margin:.75em 0 0;padding-left:1.25em;list-style:none}.toc .toc-item{margin:.3em 0;line-height:1.5}.toc .toc-item.toc-depth-3{padding-left:1em;list-style-type:none;position:relative}.toc .toc-item.toc-depth-3:before{content:"–";position:absolute;left:.2em;color:rgb(var(--gray))}.toc .toc-item a{color:rgb(var(--gray-dark));text-decoration:none}.toc .toc-item a:hover{color:var(--accent);text-decoration:underline}.sr-only{border:0;padding:0;margin:0;position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px 1px 1px 1px);clip:rect(1px,1px,1px,1px);clip-path:inset(50%);white-space:nowrap}footer[data-astro-cid-sz7xmlte]{margin-top:4em;padding:2em 1em;background:rgb(var(--gray-light));color:rgb(var(--gray));font-size:.9em}.footer-inner[data-astro-cid-sz7xmlte]{max-width:960px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:1em}.footer-top-links[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;justify-content:center;gap:.5em 1.5em}.footer-top-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:rgb(var(--gray));text-decoration:none}.footer-top-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--accent)}.copyright[data-astro-cid-sz7xmlte]{margin:0;font-size:.85em;color:rgb(var(--gray))}a[data-astro-cid-eimmu3lg]{display:inline-block;text-decoration:none}a[data-astro-cid-eimmu3lg].active{font-weight:bolder;text-decoration:underline}header[data-astro-cid-3ef6ksr2]{margin:0;background:#fff;box-shadow:0 2px 8px rgba(var(--black),5%);position:sticky;top:0;z-index:100}nav[data-astro-cid-3ef6ksr2]{max-width:1200px;margin:0 auto;padding:0 1.25em}.nav-shell[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;gap:1.5em;height:64px}.brand[data-astro-cid-3ef6ksr2]{margin:0;font-size:1rem;flex-shrink:0}.brand[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2],.brand[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2].active{text-decoration:none;color:rgb(var(--black));letter-spacing:.02em}.desktop-nav[data-astro-cid-3ef6ksr2]{flex:1;display:flex;align-items:center;justify-content:center;gap:1.5em;min-width:0}.nav-group[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.2em}.nav-group-primary[data-astro-cid-3ef6ksr2]{justify-content:center;flex-wrap:wrap}.nav-group-secondary[data-astro-cid-3ef6ksr2]{margin-left:auto;gap:.1em}.nav-item[data-astro-cid-3ef6ksr2],.desktop-nav[data-astro-cid-3ef6ksr2] a{position:relative}.desktop-nav[data-astro-cid-3ef6ksr2] a,.category-link[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;padding:1.15em .55em;color:rgb(var(--black));text-decoration:none;white-space:nowrap;border-bottom:3px solid transparent;font-size:.95rem}.desktop-nav[data-astro-cid-3ef6ksr2] a.active,.category-link[data-astro-cid-3ef6ksr2]:hover,.category-item[data-astro-cid-3ef6ksr2]:hover>.category-link[data-astro-cid-3ef6ksr2],.category-item[data-astro-cid-3ef6ksr2]:focus-within>.category-link[data-astro-cid-3ef6ksr2]{border-bottom-color:var(--accent);color:var(--accent)}.nav-group-secondary[data-astro-cid-3ef6ksr2] a{font-size:.82rem;color:rgb(var(--gray));padding:1.2em .45em}.nav-group-secondary[data-astro-cid-3ef6ksr2] a.active,.nav-group-secondary[data-astro-cid-3ef6ksr2] a:hover{color:rgb(var(--gray-dark));border-bottom-color:rgb(var(--gray))}.submenu[data-astro-cid-3ef6ksr2]{display:none;position:absolute;top:calc(100% - 2px);left:0;background:#fff;border:1px solid rgb(var(--gray-light));border-radius:10px;box-shadow:0 12px 30px rgba(var(--gray),18%);list-style:none;margin:0;padding:.45em 0;min-width:180px;z-index:200}.category-item[data-astro-cid-3ef6ksr2]:hover>.submenu[data-astro-cid-3ef6ksr2],.category-item[data-astro-cid-3ef6ksr2]:focus-within>.submenu[data-astro-cid-3ef6ksr2]{display:block}.submenu[data-astro-cid-3ef6ksr2] li[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{display:block;padding:.55em 1em;color:rgb(var(--black));text-decoration:none;font-size:.88rem;border-bottom:none}.submenu[data-astro-cid-3ef6ksr2] li[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{background:rgb(var(--gray-light));color:var(--accent)}.hamburger[data-astro-cid-3ef6ksr2]{display:none;flex-direction:column;justify-content:center;gap:5px;background:none;border:none;cursor:pointer;padding:.5em;width:40px;height:40px;flex-shrink:0}.hamburger[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{display:block;width:22px;height:2px;background:rgb(var(--black));border-radius:2px;transition:transform .25s,opacity .25s}.hamburger[data-astro-cid-3ef6ksr2].open span[data-astro-cid-3ef6ksr2]:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger[data-astro-cid-3ef6ksr2].open span[data-astro-cid-3ef6ksr2]:nth-child(2){opacity:0}.hamburger[data-astro-cid-3ef6ksr2].open span[data-astro-cid-3ef6ksr2]:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-panel[data-astro-cid-3ef6ksr2]{display:none;padding:0 0 1em;border-top:1px solid rgb(var(--gray-light));max-height:calc(100vh - 64px);overflow-y:auto;overscroll-behavior:contain}.mobile-group[data-astro-cid-3ef6ksr2]{padding-top:.5em}.mobile-group-title[data-astro-cid-3ef6ksr2]{margin:.75em 1.25em .35em;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:rgb(var(--gray))}.mobile-panel[data-astro-cid-3ef6ksr2] a,.mobile-parent-link[data-astro-cid-3ef6ksr2]{display:block;padding:.85em 1.25em;color:rgb(var(--black));text-decoration:none}.mobile-panel[data-astro-cid-3ef6ksr2] a.active,.mobile-panel[data-astro-cid-3ef6ksr2] a:hover,.mobile-parent-link[data-astro-cid-3ef6ksr2]:hover{background:rgb(var(--gray-light));color:var(--accent)}.mobile-category-block[data-astro-cid-3ef6ksr2]+.mobile-category-block[data-astro-cid-3ef6ksr2]{border-top:1px solid rgb(var(--gray-light))}.mobile-parent-link[data-astro-cid-3ef6ksr2]{font-weight:600}.mobile-submenu[data-astro-cid-3ef6ksr2]{list-style:none;margin:0;padding:0 0 .35em}.mobile-submenu[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{padding:.55em 2.1em;font-size:.92rem;color:rgb(var(--gray-dark))}.mobile-group-secondary[data-astro-cid-3ef6ksr2]{border-top:1px solid rgb(var(--gray-light));padding-top:.6em}.mobile-group-secondary[data-astro-cid-3ef6ksr2] a{font-size:.92rem;color:rgb(var(--gray))}@media(max-width:980px){nav[data-astro-cid-3ef6ksr2]{padding:0 1em}.nav-shell[data-astro-cid-3ef6ksr2]{justify-content:center;position:relative}.brand[data-astro-cid-3ef6ksr2]{position:absolute;left:50%;transform:translate(-50%)}.desktop-nav[data-astro-cid-3ef6ksr2]{display:none}.hamburger[data-astro-cid-3ef6ksr2]{display:flex;position:absolute;left:0}.mobile-panel[data-astro-cid-3ef6ksr2].open{display:block}}.sidebar[data-astro-cid-ssfzsv2f]{width:240px;flex-shrink:0;position:sticky;top:calc(56px + 1em);max-height:calc(100vh - 56px - 2em);overflow-y:auto;display:flex;flex-direction:column;gap:1em;padding-top:2em;scrollbar-width:thin;scrollbar-color:rgb(var(--gray-light)) transparent}@media(max-width:1024px){.sidebar[data-astro-cid-ssfzsv2f]{display:none}}.sidebar-widget[data-astro-cid-ssfzsv2f]{background:#fff;border:1px solid rgb(var(--gray-light));border-radius:8px;padding:1em;flex-shrink:0}.widget-title[data-astro-cid-ssfzsv2f]{font-size:.75em;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:rgb(var(--gray));margin:0 0 .6em;padding-bottom:.4em;border-bottom:2px solid rgb(var(--gray-light))}.toc-list[data-astro-cid-ssfzsv2f]{list-style:none;margin:0;padding:0}.toc-item[data-astro-cid-ssfzsv2f]{margin:.3em 0;line-height:1.4}.toc-item[data-astro-cid-ssfzsv2f] a[data-astro-cid-ssfzsv2f]{display:block;padding:.15em .4em;border-radius:3px;font-size:.82em;color:rgb(var(--gray-dark));text-decoration:none;line-height:1.4;transition:background .15s,color .15s}.toc-item[data-astro-cid-ssfzsv2f] a[data-astro-cid-ssfzsv2f]:hover{background:var(--accent-light);color:var(--accent)}.toc-item[data-astro-cid-ssfzsv2f] a[data-astro-cid-ssfzsv2f].active{background:var(--accent-light);color:var(--accent);font-weight:600}.toc-item[data-astro-cid-ssfzsv2f].toc-depth-3 a[data-astro-cid-ssfzsv2f]{padding-left:1.1em;font-size:.78em;color:rgb(var(--gray))}.toc-item[data-astro-cid-ssfzsv2f].toc-depth-3{position:relative}.toc-item[data-astro-cid-ssfzsv2f].toc-depth-3:before{content:"-";position:absolute;left:.4em;top:.15em;color:rgb(var(--gray));line-height:1}.cat-list[data-astro-cid-ssfzsv2f]{list-style:none;margin:0;padding:0}.cat-item[data-astro-cid-ssfzsv2f]{font-size:.87em}.cat-parent[data-astro-cid-ssfzsv2f]{display:block;padding:.2em .4em;border-radius:3px;color:rgb(var(--gray-dark));text-decoration:none;font-weight:600;transition:background .15s,color .15s}.cat-parent[data-astro-cid-ssfzsv2f]:hover{background:var(--accent-light);color:var(--accent)}.cat-children[data-astro-cid-ssfzsv2f]{list-style:none;margin:0 0 .15em;padding:0}.cat-children[data-astro-cid-ssfzsv2f] li[data-astro-cid-ssfzsv2f] a[data-astro-cid-ssfzsv2f]{display:block;padding:.15em .4em .15em 1.2em;border-radius:3px;color:rgb(var(--gray));text-decoration:none;font-size:.9em;transition:background .15s,color .15s}.cat-children[data-astro-cid-ssfzsv2f] li[data-astro-cid-ssfzsv2f] a[data-astro-cid-ssfzsv2f]:hover{background:var(--accent-light);color:var(--accent)}.profile-text[data-astro-cid-ssfzsv2f]{font-size:.84em;color:rgb(var(--gray));line-height:1.7;margin:0}