.sponsor-banner[data-astro-cid-wq53m2kg]{background-color:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:6px;flex-wrap:wrap;align-items:center;gap:.5rem .75rem;margin:-.75rem 0 1.5rem;padding:.35rem .85rem;font-size:.85rem;display:inline-flex}.sponsor-label[data-astro-cid-wq53m2kg]{font-size:.75rem;font-family:var(--font-sans);color:var(--muted-color);background-color:var(--border-light);border:1px solid var(--border-color);border-radius:4px;padding:.1rem .4rem;font-weight:600}.sponsor-link[data-astro-cid-wq53m2kg]{color:var(--accent-indigo);align-items:center;gap:.3rem;font-weight:600;text-decoration:none;display:inline-flex}.sponsor-link[data-astro-cid-wq53m2kg]:hover{color:var(--accent-indigo-dark);text-decoration:underline}.external-icon[data-astro-cid-wq53m2kg]{opacity:.7}.breadcrumbs[data-astro-cid-vx4iavld]{margin:0 0 1.75rem}.breadcrumbs[data-astro-cid-vx4iavld] ol[data-astro-cid-vx4iavld]{color:var(--muted-color);flex-wrap:wrap;align-items:center;margin:0;padding:0;font-size:.875rem;line-height:1.5;list-style:none;display:flex}.breadcrumbs[data-astro-cid-vx4iavld] li[data-astro-cid-vx4iavld]{align-items:center;display:inline-flex}.breadcrumbs[data-astro-cid-vx4iavld] li[data-astro-cid-vx4iavld]:after{content:"›";color:var(--muted-color);opacity:.6;font-family:var(--font-sans);margin:0 .5rem}.breadcrumbs[data-astro-cid-vx4iavld] li[data-astro-cid-vx4iavld]:last-child{color:var(--heading-color);font-weight:600}.breadcrumbs[data-astro-cid-vx4iavld] li[data-astro-cid-vx4iavld]:last-child:after{content:"";margin:0}.breadcrumbs[data-astro-cid-vx4iavld] a[data-astro-cid-vx4iavld]{color:var(--muted-color);text-decoration:none}.breadcrumbs[data-astro-cid-vx4iavld] a[data-astro-cid-vx4iavld]:hover{color:var(--accent-indigo);text-decoration:underline}.both-side-nav[data-astro-cid-4uwvmye5]{border-top:2px solid var(--border-color);margin-top:3.5rem;padding-top:2rem}.nav-parent[data-astro-cid-4uwvmye5]{text-align:center;margin-bottom:1.5rem}.parent-link[data-astro-cid-4uwvmye5]{background-color:var(--card-bg);border:1px solid var(--border-color);color:var(--heading-color);box-shadow:var(--shadow-sm);border-radius:20px;align-items:center;gap:.4rem;padding:.45rem 1.1rem;font-size:.925rem;font-weight:600;text-decoration:none;transition:all .15s;display:inline-flex}.parent-link[data-astro-cid-4uwvmye5]:hover{background-color:var(--accent-indigo);color:#fff;border-color:var(--accent-indigo)}.nav-grid[data-astro-cid-4uwvmye5]{grid-template-columns:1fr 1fr;gap:1.25rem;display:grid}@media (width<=600px){.nav-grid[data-astro-cid-4uwvmye5]{grid-template-columns:1fr}}.nav-card[data-astro-cid-4uwvmye5]{background-color:var(--card-bg);border:1px solid var(--border-color);color:var(--heading-color);box-shadow:var(--shadow-sm);border-radius:8px;flex-direction:column;padding:1.1rem 1.25rem;text-decoration:none;transition:transform .15s,box-shadow .15s,border-color .15s;display:flex}.nav-card[data-astro-cid-4uwvmye5]:hover{box-shadow:var(--shadow-md);border-color:var(--accent-indigo);transform:translateY(-2px)}.nav-card[data-astro-cid-4uwvmye5]:hover .card-title[data-astro-cid-4uwvmye5]{color:var(--accent-indigo)}.nav-prev[data-astro-cid-4uwvmye5]{text-align:left}.nav-next[data-astro-cid-4uwvmye5]{text-align:right}.card-label[data-astro-cid-4uwvmye5]{font-size:.8rem;font-family:var(--font-sans);color:var(--muted-color);margin-bottom:.35rem}.card-title[data-astro-cid-4uwvmye5]{color:var(--heading-color);font-size:1rem;font-weight:600;line-height:1.5;transition:color .15s}.search-trigger-btn[data-astro-cid-etsyzymg]{background-color:var(--card-bg);border:1px solid var(--border-color);color:var(--muted-color);font-family:var(--font-serif);cursor:pointer;border-radius:6px;align-items:center;gap:.4rem;padding:.35rem .65rem;font-size:.875rem;transition:all .15s;display:inline-flex}.search-trigger-btn[data-astro-cid-etsyzymg]:hover{border-color:var(--accent-indigo);color:var(--accent-indigo);background-color:var(--border-light)}.search-kbd[data-astro-cid-etsyzymg]{font-family:var(--font-sans);background:var(--border-light);border:1px solid var(--border-color);color:var(--muted-color);border-radius:3px;padding:.1rem .3rem;font-size:.7rem}@media (width<=600px){.search-kbd[data-astro-cid-etsyzymg]{display:none}}.search-modal-backdrop[data-astro-cid-etsyzymg]{background-color:var(--modal-overlay);backdrop-filter:blur(4px);z-index:9999;justify-content:center;align-items:flex-start;width:100vw;height:100vh;padding-top:10vh;display:none;position:fixed;top:0;left:0}.search-modal-backdrop[data-astro-cid-etsyzymg].is-active{display:flex}.search-modal-dialog[data-astro-cid-etsyzymg]{background-color:var(--card-bg);border:1px solid var(--border-color);width:90%;max-width:640px;box-shadow:var(--shadow-lg);border-radius:12px;flex-direction:column;max-height:75vh;animation:.15s ease-out modalFadeIn;display:flex;overflow:hidden}@keyframes modalFadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.search-modal-header[data-astro-cid-etsyzymg]{border-bottom:1px solid var(--border-color);align-items:center;gap:.75rem;padding:.85rem 1.15rem;display:flex}.search-icon[data-astro-cid-etsyzymg]{color:var(--muted-color);flex-shrink:0}.search-input[data-astro-cid-etsyzymg]{font-family:var(--font-serif);color:var(--heading-color);background:0 0;border:none;outline:none;flex:1;font-size:1.1rem}.search-input[data-astro-cid-etsyzymg]::placeholder{color:var(--muted-color);opacity:.7}.search-close-btn[data-astro-cid-etsyzymg]{color:var(--muted-color);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:.25rem .5rem;font-size:1.1rem}.search-close-btn[data-astro-cid-etsyzymg]:hover{background-color:var(--border-light);color:var(--heading-color)}.search-results[data-astro-cid-etsyzymg]{flex:1;padding:.75rem 0;overflow-y:auto}.search-placeholder,.search-no-results{text-align:center;color:var(--muted-color);padding:2.5rem 1.5rem;font-size:.95rem}.search-result-item{border-bottom:1px solid var(--border-light);padding:.85rem 1.25rem;text-decoration:none;transition:background-color .12s;display:block}.search-result-item:hover,.search-result-item.is-selected{background-color:var(--border-light);border-left:3px solid var(--accent-indigo)}.search-result-item:hover .search-result-title,.search-result-item.is-selected .search-result-title{color:var(--accent-indigo)}.search-result-title{color:var(--heading-color);margin-bottom:.25rem;font-size:1.05rem;font-weight:600}.search-result-excerpt{color:var(--muted-color);font-size:.875rem;line-height:1.55}.search-result-excerpt mark{background-color:var(--accent-gold-bg);color:var(--accent-gold);border-radius:2px;padding:0 .15rem;font-weight:700}.search-modal-footer[data-astro-cid-etsyzymg]{background-color:var(--border-light);border-top:1px solid var(--border-color);color:var(--muted-color);font-size:.775rem;font-family:var(--font-sans);align-items:center;gap:1rem;padding:.6rem 1.25rem;display:flex}.search-modal-footer[data-astro-cid-etsyzymg] kbd[data-astro-cid-etsyzymg]{background:var(--card-bg);border:1px solid var(--border-color);border-radius:3px;padding:.1rem .35rem;font-size:.75rem}.theme-toggle-btn[data-astro-cid-l6lhmie6]{background-color:var(--card-bg);border:1px solid var(--border-color);color:var(--heading-color);font-family:var(--font-serif);cursor:pointer;border-radius:6px;align-items:center;gap:.35rem;padding:.35rem .6rem;font-size:.85rem;transition:all .15s;display:inline-flex}.theme-toggle-btn[data-astro-cid-l6lhmie6]:hover{background-color:var(--border-light);border-color:var(--accent-indigo)}.theme-icon[data-astro-cid-l6lhmie6]{font-size:.95rem;display:none}.theme-label[data-astro-cid-l6lhmie6]{white-space:nowrap;font-size:.8rem;font-weight:600}[data-theme=paper] .theme-icon-paper[data-astro-cid-l6lhmie6],[data-theme=dark] .theme-icon-dark[data-astro-cid-l6lhmie6],[data-theme=light] .theme-icon-light[data-astro-cid-l6lhmie6]{display:inline-block}.scroll-to-top[data-astro-cid-p774adf7]{background-color:var(--card-bg);width:44px;height:44px;color:var(--heading-color);border:1px solid var(--border-color);box-shadow:var(--shadow-md);cursor:pointer;opacity:0;visibility:hidden;z-index:90;border-radius:50%;justify-content:center;align-items:center;transition:opacity .2s,transform .2s,background-color .15s;display:flex;position:fixed;bottom:2rem;right:2rem;transform:translateY(10px)}.scroll-to-top[data-astro-cid-p774adf7]:hover{background-color:var(--accent-indigo);color:#fff;border-color:var(--accent-indigo)}.scroll-to-top[data-astro-cid-p774adf7].is-visible{opacity:.9;visibility:visible;transform:translateY(0)}@media (width<=600px){.scroll-to-top[data-astro-cid-p774adf7]{width:38px;height:38px;bottom:1.25rem;right:1.25rem}}.image-lightbox[data-astro-cid-ot6ntcxl]{backdrop-filter:blur(6px);z-index:10000;background-color:#000000e0;justify-content:center;align-items:center;width:100vw;height:100vh;padding:2rem;display:none;position:fixed;top:0;left:0}.image-lightbox[data-astro-cid-ot6ntcxl].is-active{display:flex}.lightbox-content[data-astro-cid-ot6ntcxl]{flex-direction:column;align-items:center;max-width:90vw;max-height:90vh;display:flex;position:relative}.lightbox-img[data-astro-cid-ot6ntcxl]{object-fit:contain;border-radius:6px;max-width:88vw;max-height:80vh;box-shadow:0 10px 30px #00000080}.lightbox-caption[data-astro-cid-ot6ntcxl]{color:#fff;text-align:center;font-size:.95rem;font-family:var(--font-serif);letter-spacing:.04em;margin-top:.85rem}.lightbox-close[data-astro-cid-ot6ntcxl]{color:#fff;cursor:pointer;opacity:.8;background:0 0;border:none;font-size:1.5rem;position:absolute;top:-2.5rem;right:0}.lightbox-close[data-astro-cid-ot6ntcxl]:hover{opacity:1}.in-page-toc-container[data-astro-cid-kzigrp4z]{margin:1.5rem 0 2rem}.in-page-toc[data-astro-cid-kzigrp4z]{background-color:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:8px;padding:.85rem 1.25rem}.toc-summary[data-astro-cid-kzigrp4z]{cursor:pointer;color:var(--heading-color);user-select:none;align-items:center;gap:.6rem;font-size:1rem;font-weight:600;display:flex}.toc-badge[data-astro-cid-kzigrp4z]{color:var(--muted-color);background-color:var(--border-light);border:1px solid var(--border-color);font-size:.75rem;font-weight:400;font-family:var(--font-sans);border-radius:10px;padding:.1rem .45rem}.toc-nav[data-astro-cid-kzigrp4z]{border-top:1px dashed var(--border-color);margin-top:.85rem;padding-top:.75rem}.toc-list[data-astro-cid-kzigrp4z]{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.4rem 1.25rem;margin:0;padding-left:1.5rem;display:grid}.toc-list li{font-size:.925rem;line-height:1.6}.toc-list a{color:var(--heading-color);text-decoration:none}.toc-list a:hover{color:var(--accent-indigo);text-decoration:underline}:root,[data-theme=paper]{--font-serif:"Noto Serif JP", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "HiraMinProN-W3", "MS PMincho", serif;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", sans-serif;--bg-color:#fcfaf7;--card-bg:#fff;--text-color:#2b2724;--heading-color:#181513;--muted-color:#736b62;--border-color:#e6dfd4;--border-light:#f0eae0;--accent-indigo:#1c4b75;--accent-indigo-dark:#0f304f;--accent-gold:#bda060;--accent-gold-bg:#f7f3ea;--header-bg:#fcfaf7f5;--modal-overlay:#1e1a1699;--shadow-sm:0 1px 3px #0000000a;--shadow-md:0 3px 10px #0000000f;--shadow-lg:0 8px 24px #0000001f}[data-theme=dark]{--bg-color:#181716;--card-bg:#22201d;--text-color:#dcd6ce;--heading-color:#f4ede4;--muted-color:#9c9388;--border-color:#38342f;--border-light:#2b2824;--accent-indigo:#6da2d8;--accent-indigo-dark:#9bc0e8;--accent-gold:#d4b878;--accent-gold-bg:#28241b;--header-bg:#181716f5;--modal-overlay:#000c;--shadow-sm:0 1px 3px #0003;--shadow-md:0 3px 10px #0000004d;--shadow-lg:0 8px 24px #00000080}[data-theme=light]{--bg-color:#fff;--card-bg:#fff;--text-color:#333;--heading-color:#111;--muted-color:#666;--border-color:#e0e0e0;--border-light:#f5f5f5;--accent-indigo:#0056b3;--accent-indigo-dark:#003d80;--accent-gold:#a67c1e;--accent-gold-bg:#fdf8eb;--header-bg:#fffffff5;--modal-overlay:#00000080;--shadow-sm:0 1px 3px #0000000d;--shadow-md:0 3px 10px #00000014;--shadow-lg:0 8px 24px #00000026}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;transition:background-color .2s,color .2s}body{font-family:var(--font-serif);letter-spacing:.035em;background-color:var(--bg-color);color:var(--text-color);flex-direction:column;min-height:100vh;margin:0;padding:0;font-size:1.0625rem;line-height:1.9;display:flex}a{color:var(--accent-indigo);text-underline-offset:3px;text-decoration:underline #1c4b7559;transition:color .15s,text-decoration-color .15s}a:hover{color:var(--accent-indigo-dark);text-decoration-color:var(--accent-indigo-dark)}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);color:var(--heading-color);line-height:1.45}h1{letter-spacing:.05em;border-bottom:2px solid var(--accent-indigo);margin:.5rem 0 1.25rem;padding-bottom:.6rem;font-size:1.95rem;font-weight:700}h2{letter-spacing:.04em;border-left:4px solid var(--accent-indigo);margin:2.25rem 0 1rem;padding-left:.75rem;font-size:1.4rem;font-weight:600}h2 a{color:var(--heading-color);text-decoration:none}h2 a:hover{color:var(--accent-indigo)}h3{letter-spacing:.03em;border-bottom:1px dashed var(--border-color);margin:1.75rem 0 .75rem;padding-bottom:.35rem;font-size:1.2rem;font-weight:600}h4{margin:1.5rem 0 .6rem;font-size:1.1rem;font-weight:600}.heading-anchor{color:var(--muted-color);opacity:0;user-select:none;margin-left:.45rem;font-size:.8em;text-decoration:none;transition:opacity .15s,color .15s;display:inline-block}h2:hover .heading-anchor,h3:hover .heading-anchor{opacity:.65}.heading-anchor:hover{opacity:1;color:var(--accent-indigo)}ruby{font-family:var(--font-serif)}rt{color:var(--muted-color);letter-spacing:0;user-select:none;font-size:.625em}p{text-align:justify;margin:0 0 1.45em}ul,ol{margin:0 0 1.5em;padding-left:1.75rem}ul li,ol li{margin-bottom:.45em;line-height:1.8}table{border-collapse:collapse;background-color:var(--card-bg);border:1px solid var(--border-color);width:100%;box-shadow:var(--shadow-sm);-webkit-overflow-scrolling:touch;border-radius:6px;margin:1.75rem 0 2rem;font-size:.925rem;line-height:1.6;display:block;overflow:auto hidden}thead{background-color:var(--border-light);border-bottom:2px solid var(--border-color)}th,td{text-align:left;border-bottom:1px solid var(--border-color);border-right:1px solid var(--border-color);white-space:nowrap;padding:.65rem .9rem}th:last-child,td:last-child{border-right:none}th{color:var(--heading-color);font-weight:600;font-family:var(--font-serif)}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background-color:var(--border-light)}.chapter-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.25rem;margin:2rem 0;padding:0;list-style:none;display:grid}.chapter-grid .chapter-card{background-color:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);color:var(--heading-color);border-radius:8px;flex-direction:column;padding:1.25rem 1.4rem;text-decoration:none;transition:transform .15s,box-shadow .15s,border-color .15s;display:flex}.chapter-grid .chapter-card:hover{box-shadow:var(--shadow-md);border-color:var(--accent-indigo);transform:translateY(-2px)}.chapter-grid .chapter-card:hover .card-title{color:var(--accent-indigo)}.chapter-grid .chapter-card .card-badge{color:var(--muted-color);font-size:.775rem;font-family:var(--font-sans);margin-bottom:.4rem;font-weight:600}.chapter-grid .chapter-card .card-title{color:var(--heading-color);margin-bottom:.5rem;font-size:1.1rem;font-weight:700;line-height:1.45;transition:color .15s}.chapter-grid .chapter-card .card-desc{color:var(--muted-color);font-size:.85rem;line-height:1.6}article{border-top:1px solid var(--border-color);margin-top:2.25rem;padding-top:1.75rem}article:first-of-type{border-top:none;margin-top:1.5rem;padding-top:0}article article{border-top:1px dashed var(--border-light);border-left:2px solid var(--border-light);margin-top:1.75rem;padding-top:1.25rem;padding-left:.75rem}.note{background-color:var(--accent-gold-bg);border-left:4px solid var(--accent-gold);color:var(--text-color);border-radius:0 6px 6px 0;margin:1.75rem 0;padding:1rem 1.25rem;font-size:.95rem;line-height:1.8}.note p:last-child{margin-bottom:0}figure{text-align:center;margin:2rem auto}figure img{border:1px solid var(--border-color);max-width:100%;height:auto;box-shadow:var(--shadow-sm);border-radius:6px;transition:transform .15s,box-shadow .15s}figure img:hover{box-shadow:var(--shadow-md)}figure figcaption{color:var(--muted-color);letter-spacing:.02em;margin-top:.6rem;font-size:.9rem}.ggmap{border:1px solid var(--border-color);height:0;box-shadow:var(--shadow-sm);border-radius:8px;margin:2rem 0;padding-top:0;padding-bottom:56.25%;position:relative;overflow:hidden}.ggmap iframe,.ggmap object,.ggmap embed{border:0;width:100%;height:100%;position:absolute;top:0;left:0}@media print{body{font-size:11pt;line-height:1.7;color:#000!important;background:#fff!important}.site-header,.breadcrumbs,.in-page-toc-container,.both-side-nav,.scroll-to-top,.search-modal-backdrop,.image-lightbox,.site-footer,.sponsor-banner{display:none!important}.site-main{max-width:100%!important;margin:0!important;padding:0!important}article{page-break-inside:avoid}h1,h2,h3{page-break-after:avoid;color:#000!important}a{color:#000!important;text-decoration:none!important}}.site-header[data-astro-cid-ju4pidww]{border-bottom:1px solid var(--border-color);background-color:var(--header-bg);backdrop-filter:blur(8px);z-index:100;padding:.65rem 1.25rem;position:sticky;top:0}.header-inner[data-astro-cid-ju4pidww]{justify-content:space-between;align-items:center;gap:1rem;max-width:860px;margin:0 auto;display:flex}.site-title[data-astro-cid-ju4pidww]{letter-spacing:.08em;color:var(--heading-color);white-space:nowrap;align-items:center;gap:.5rem;font-size:1.35rem;font-weight:700;text-decoration:none;display:flex}.site-badge[data-astro-cid-ju4pidww]{letter-spacing:.04em;color:var(--muted-color);background:var(--border-light);border:1px solid var(--border-color);border-radius:4px;padding:.15rem .45rem;font-size:.75rem;font-weight:400}@media (width<=500px){.site-badge[data-astro-cid-ju4pidww]{display:none}}.header-actions[data-astro-cid-ju4pidww]{align-items:center;gap:.75rem;display:flex}.main-nav[data-astro-cid-ju4pidww]{align-items:center;gap:.75rem;margin:0;padding:0;list-style:none;display:flex}.main-nav[data-astro-cid-ju4pidww] li[data-astro-cid-ju4pidww]{font-size:.95rem}.main-nav[data-astro-cid-ju4pidww] a[data-astro-cid-ju4pidww]{color:var(--heading-color);border-radius:4px;padding:.3rem .55rem;font-weight:600;text-decoration:none;transition:background-color .15s,color .15s}.main-nav[data-astro-cid-ju4pidww] a[data-astro-cid-ju4pidww]:hover{background-color:var(--border-light);color:var(--accent-indigo)}.site-main[data-astro-cid-ju4pidww]{flex:1;width:100%;max-width:860px;margin:0 auto;padding:2rem 1.25rem 4rem}.site-footer[data-astro-cid-ju4pidww]{border-top:1px solid var(--border-color);background-color:var(--border-light);text-align:center;color:var(--muted-color);padding:2.5rem 1.25rem;font-size:.9rem}.footer-inner[data-astro-cid-ju4pidww]{text-align:center;flex-direction:column;justify-content:center;align-items:center;max-width:860px;margin:0 auto;display:flex}.footer-copy[data-astro-cid-ju4pidww]{text-align:center;margin:0;font-size:.875rem}.footer-copy[data-astro-cid-ju4pidww] a[data-astro-cid-ju4pidww]{color:var(--muted-color);text-decoration:none}.footer-copy[data-astro-cid-ju4pidww] a[data-astro-cid-ju4pidww]:hover{color:var(--accent-indigo);text-decoration:underline}.reading-progress[data-astro-cid-ju4pidww]{background:linear-gradient(90deg, var(--accent-indigo), var(--accent-gold));z-index:1000;width:0%;height:3px;transition:width 80ms ease-out;position:fixed;top:0;left:0}.skip-link[data-astro-cid-ju4pidww]{background-color:var(--accent-indigo);color:#fff;z-index:10000;border-radius:0 0 6px 6px;padding:.5rem 1rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:top .2s;position:absolute;top:-100px;left:1rem}.skip-link[data-astro-cid-ju4pidww]:focus{outline:2px solid var(--accent-gold);top:0}