:root{--paper:#f6f4ee;--paper-white:#fffdf8;--ink:#1b2a44;--ink-light:#56637d;--rule:#ddd8ca;--rule-strong:#b9b29e;--accent:#b5432f;--serif:"Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;--sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;--shadow-card:0 1px 2px #1b2a440f, 0 4px 16px #1b2a440d}*{box-sizing:border-box}html{background:var(--paper)}body{font-family:var(--sans);text-align:left;background:linear-gradient(to bottom, #1b2a4406, transparent 240px), var(--paper);word-wrap:break-word;overflow-wrap:break-word;color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-size:17px;line-height:1.95}main{width:720px;max-width:calc(100% - 2.5em);margin:auto;padding:3.5em 0 4em}h1,h2,h3,h4,h5,h6{font-family:var(--serif);color:var(--ink);letter-spacing:.01em;margin:0 0 .6rem;font-weight:700;line-height:1.5}h1{font-size:1.9em}h2{border-bottom:1px solid var(--rule-strong);margin-top:3em;padding-bottom:.45em;font-size:1.4em;position:relative}h2:after{content:"";background:var(--accent);width:2.6em;height:3px;position:absolute;bottom:-1px;left:0}h3{margin-top:2.2em;font-size:1.15em}h4{font-size:1.05em}h5{font-size:1em}strong,b{font-weight:700}a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--rule-strong);text-underline-offset:3px;transition:color .15s,text-decoration-color .15s}a:hover{color:var(--accent);text-decoration-color:var(--accent)}p{margin:0 0 1.6em}table{border-collapse:collapse;background:var(--paper-white);width:100%;box-shadow:var(--shadow-card);margin:1.8em 0;font-size:.94em}th,td{border:1px solid var(--rule);text-align:left;padding:.65em 1em}th{background:var(--ink);color:var(--paper-white);font-weight:600;font-family:var(--sans);letter-spacing:.04em;border-color:var(--ink);font-size:.92em}td:nth-child(n+2){font-variant-numeric:tabular-nums}tbody tr:last-child{font-weight:700}img{border:1px solid var(--rule);max-width:100%;height:auto;box-shadow:var(--shadow-card);border-radius:4px}code{background-color:#1b2a4412;border-radius:3px;padding:2px 6px;font-size:.9em}pre{background:var(--ink);border-radius:6px;padding:1.5em;overflow-x:auto}pre>code{all:unset;color:#e8ebf2;font-size:.88em}blockquote{border-left:3px solid var(--accent);color:var(--ink-light);margin:1.8em 0;padding:.2em 0 .2em 1.2em}blockquote p{margin-bottom:.6em}hr{border:none;border-top:1px solid var(--rule);margin:2.5em 0}ul,ol{padding-left:1.5em}li{margin-bottom:.5em}textarea,input{font-size:16px;font-family:var(--sans)}.category-label{font-family:var(--sans);letter-spacing:.12em;color:var(--accent);border:1px solid;border-radius:2px;padding:.15em .7em;font-size:.72em;font-weight:600;text-decoration:none;display:inline-block}@media (width<=720px){body{font-size:16px}main{padding:2em 0 3em}h1{font-size:1.55em}h2{font-size:1.28em}}.sr-only{clip:rect(1px 1px 1px 1px);clip:rect(1px, 1px, 1px, 1px);clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:0;padding:0;overflow:hidden;position:absolute!important}footer[data-astro-cid-jo6i4kqk]{background:var(--ink);color:#fffdf8bf;margin-top:4em;padding:3em 1.2em 2em}.footer-inner[data-astro-cid-jo6i4kqk]{border-bottom:1px solid #fffdf826;flex-wrap:wrap;justify-content:space-between;gap:2em;max-width:720px;margin:0 auto;padding-bottom:2em;display:flex}.footer-title[data-astro-cid-jo6i4kqk]{font-family:var(--serif);color:var(--paper-white);letter-spacing:.06em;font-size:1.1em;font-weight:700}.footer-description[data-astro-cid-jo6i4kqk]{max-width:24em;margin:.6em 0 0;font-size:.82em;line-height:1.9}.footer-links[data-astro-cid-jo6i4kqk]{flex-direction:column;gap:.7em;display:flex}.footer-links[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:#fffdf8bf;letter-spacing:.04em;font-size:.85em;text-decoration:none}.footer-links[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--paper-white);text-decoration:underline}.copyright[data-astro-cid-jo6i4kqk]{letter-spacing:.05em;color:#fffdf880;max-width:720px;margin:1.5em auto 0;font-size:.78em}a[data-astro-cid-evkijfd6]{text-decoration:none;display:inline-block}a[data-astro-cid-evkijfd6].active{font-weight:bolder;text-decoration:underline}header[data-astro-cid-nen7h5rs]{background:var(--ink);border-bottom:3px solid var(--accent);margin:0}nav[data-astro-cid-nen7h5rs]{justify-content:space-between;align-items:center;gap:1em;max-width:1080px;margin:0 auto;padding:0 1.2em;display:flex}.brand[data-astro-cid-nen7h5rs]{flex-direction:column;gap:.1em;padding:.9em 0;text-decoration:none;display:flex}.brand-name[data-astro-cid-nen7h5rs]{font-family:var(--serif);letter-spacing:.06em;color:var(--paper-white);font-size:1.25em;font-weight:700;line-height:1.2}.brand-tagline[data-astro-cid-nen7h5rs]{letter-spacing:.08em;color:#fffdf8a6;font-size:.68em}.internal-links[data-astro-cid-nen7h5rs]{display:flex}nav[data-astro-cid-nen7h5rs] .internal-links a{color:#fffdf8d9;letter-spacing:.05em;border-bottom:3px solid #0000;margin-bottom:-3px;padding:1.35em .9em;font-size:.92em;text-decoration:none}nav[data-astro-cid-nen7h5rs] .internal-links a:hover{color:var(--paper-white)}nav[data-astro-cid-nen7h5rs] .internal-links a.active{color:var(--paper-white);border-bottom-color:var(--accent)}@media (width<=720px){nav[data-astro-cid-nen7h5rs]{flex-direction:column;align-items:flex-start;gap:0}.brand[data-astro-cid-nen7h5rs]{padding:.8em 0 .2em}.brand-tagline[data-astro-cid-nen7h5rs]{display:none}nav[data-astro-cid-nen7h5rs] .internal-links a{padding:.6em .9em .7em 0}}