:root{--wide: 960px;--content: 720px;--bg: #f7f5f2;--panel: #ffffff;--text: #2b2b2b;--muted: #6b6b6b;--border: #ddd7cf;--accent: #9c5a35;--shell: 1140px;--side: 320px;--gap: 44px;--shadow-sm: 0 1px 2px rgba(70, 55, 40, .05), 0 2px 8px rgba(70, 55, 40, .05);--shadow-md: 0 2px 4px rgba(70, 55, 40, .06), 0 10px 26px rgba(70, 55, 40, .1);--ease: cubic-bezier(.2, .8, .2, 1)}*{box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic,sans-serif;margin:0;background:var(--bg);color:var(--text);font-size:1.0625rem;line-height:1.8;-webkit-text-size-adjust:100%}h1{font-size:1.4rem;margin:0 0 .25rem}h2{font-size:1.15rem;margin:1.5rem 0 .5rem}.site-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.75rem;padding:.85rem 1.25rem;max-width:var(--shell);margin:0 auto}.site-header-wrap{background:var(--panel);border-bottom:1px solid var(--border)}.site-header a{color:var(--text);text-decoration:none;font-weight:700}.site-header nav{display:flex;flex-wrap:wrap;gap:0 .95rem;font-size:.85rem}.site-header nav a{display:inline-flex;align-items:center;min-height:44px;padding:.4rem 0;font-weight:400;color:var(--muted);white-space:nowrap}.site-header nav a:hover,.site-header nav a:focus-visible{color:var(--accent)}.site-header nav a[aria-current=page]{color:var(--text);font-weight:700}@media(max-width:420px){.site-header{gap:.25rem}.site-header nav{font-size:.8rem;gap:0 .8rem}}.site-footer{max-width:var(--shell);margin:0 auto;padding:1.5rem 1.25rem 2rem;font-size:.85rem;color:var(--muted)}.site-footer-wrap{border-top:1px solid var(--border);background:var(--panel)}.site-footer a{color:var(--muted)}.site-footer nav{margin-bottom:.5rem;display:flex;gap:1rem}.site-footer a,.site-footer p a{display:inline-flex;align-items:center;min-height:44px}article h1{font-size:1.6rem;margin-bottom:.5rem}article .meta{color:var(--muted);font-size:.85rem;margin-bottom:1.5rem}article h2{font-size:1.45rem;border-bottom:2px solid var(--border);padding-bottom:.3rem}article p,article li{line-height:1.85}h3{font-size:1.14rem;margin:1.5rem 0 .5rem}article ul,article ol{padding-left:1.4rem}.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:.15rem .55rem;font-size:.85rem;color:var(--muted);margin:.5rem 0 .75rem}.breadcrumb>*+*:before{content:"";display:inline-block;width:.32rem;height:.32rem;margin-right:.5rem;border-top:1.5px solid var(--border);border-right:1.5px solid var(--border);transform:rotate(45deg) translateY(-.06rem)}.breadcrumb a{color:var(--muted)}.source-note,article .source-note{font-size:.85rem;color:var(--muted);line-height:1.8}.key-points{margin:1.5rem 0;padding:1.1rem 1.25rem;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow-sm)}.key-points h2{display:flex;align-items:center;gap:.5rem;margin:0 0 .6rem;padding:0;border:0;font-size:1.08rem;letter-spacing:.02em;color:var(--accent)}.key-points h2:before{content:"";flex:0 0 auto;width:.5rem;height:.5rem;border-radius:50%;background:var(--accent)}.key-points ul{margin:0;padding-left:1.2rem}.key-points li{margin-bottom:.35rem}.toc{margin:1.25rem 0 2rem;padding:.9rem 1.1rem;border:1px solid var(--border);border-radius:6px;background:var(--bg)}.toc h2{font-size:1.08rem;margin:0 0 .5rem}.toc ol{margin:0;padding-left:1.4rem;font-size:.95rem}.toc li{margin-bottom:.15rem}.toc ol ol{margin:.15rem 0;padding-left:1.2rem;font-size:.9rem}.toc a{display:inline-flex;align-items:center;min-height:44px;color:var(--text);text-decoration:underline}article h2[id]{scroll-margin-top:1rem}.table-scroll{overflow-x:auto}table.compare{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--panel)}table.compare th,table.compare td{border:1px solid var(--border);padding:.5rem .6rem;text-align:left;vertical-align:top}table.compare thead th{background:#f1ede6}table.compare tbody th[scope=row]{font-weight:400;text-align:left}table.compare caption{caption-side:top;text-align:left;font-size:.85rem;color:var(--muted);padding-bottom:.4rem}article .answer{background:var(--panel);border:1px solid #d9c2ab;border-radius:10px;box-shadow:var(--shadow-sm);padding:1.1rem 1.25rem;margin:1.5rem 0;font-size:1.02rem}article .answer>:first-child{margin-top:0}article .answer>:last-child{margin-bottom:0}article blockquote.quote{margin:1.4rem 0;padding:.9rem 1.1rem .7rem;border:1px solid var(--border);border-radius:8px;background:var(--panel);font-size:.95rem}article blockquote.quote>p{margin:0 0 .6rem;line-height:1.8}article blockquote.quote>p:last-of-type{margin-bottom:0}article blockquote.quote>ul{margin:0;line-height:1.8}article blockquote.quote cite{display:block;margin-top:.7rem;padding-top:.6rem;border-top:1px solid var(--border);font-size:.85rem;font-style:normal;color:var(--muted)}.sources ul{padding-left:1.2rem}.sources li{margin-bottom:.5rem;line-height:1.7}.faq{margin-top:2.5rem}.faq-item{padding:.9rem 0;border-bottom:1px solid var(--border)}.faq-item h3{margin:0 0 .4rem;font-size:1.14rem}.faq-item p{margin:0}.next-step{margin:0 0 1.5rem;padding:0;font-size:.95rem}.next-step-pending{color:var(--muted);text-decoration:none}.author{margin:2.5rem 0 0;padding:1rem 1.1rem;border:1px solid var(--border);border-radius:6px;background:var(--panel);font-size:.92rem}.author h2{font-size:1.14rem;margin:0 0 .5rem}.author p{margin:0 0 .5rem}.author p:last-child{margin-bottom:0}.related{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:2rem;font-size:.95rem}.related span{color:var(--muted)}.related a{display:inline-flex;align-items:center;min-height:44px;color:var(--accent);text-decoration:underline}.next-step a{display:flex;align-items:center;gap:.6rem;min-height:44px;margin-top:.6em;padding:.55rem 1rem;background:var(--panel);border:1px solid var(--border);border-radius:8px;color:var(--accent);text-decoration:none;transition:border-color .3s var(--ease),box-shadow .3s var(--ease)}.next-step a:after{content:"";flex:0 0 auto;margin-left:auto;width:.45rem;height:.45rem;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg)}.next-step a:hover,.next-step a:focus-visible{border-color:var(--accent);box-shadow:var(--shadow-sm);text-decoration:underline}.next-step .next-step-pending:after{content:none}.share{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:2.5rem;font-size:.9rem}.share span{color:var(--muted)}.share a{display:inline-flex;align-items:center;min-height:44px;padding:0 .9rem;border:1px solid var(--border);border-radius:6px;background:var(--panel);color:var(--text);text-decoration:none}.share a:hover,.share a:focus-visible{border-color:var(--accent);color:var(--accent)}.layout{max-width:var(--shell);margin:0 auto;padding:1.25rem 1.25rem 4rem;display:grid;grid-template-columns:minmax(0,1fr);gap:3rem var(--gap);align-items:start}@media(max-width:1019px){.layout__main{max-width:736px}}@media(min-width:1020px){.layout:has(>.sidebar){grid-template-columns:minmax(0,1fr) var(--side)}}.layout:not(:has(>.sidebar)) .layout__main{max-width:736px}.layout__main{min-width:0}.sidebar{min-width:0;display:grid;gap:1.5rem;align-content:start}@media(min-width:1020px){.sidebar{position:sticky;top:1.25rem;max-height:calc(100vh - 2.5rem);overflow-y:auto;padding-right:.25rem}}@media(max-width:1019px){.sidebar .widget--sub{display:none}}.widget{background:var(--panel);border:1px solid var(--border);border-radius:10px;overflow:hidden}.widget__title{margin:0;padding:.7rem 1rem;font-size:.95rem;font-weight:700;letter-spacing:.04em;color:#fff;background:#4a4340}.widget__body{padding:.25rem 1rem .7rem}.widget__note{margin:.6rem 0 0;font-size:.8rem;line-height:1.7;color:var(--muted)}.cat-list{list-style:none;margin:0;padding:0}.cat-list li+li{border-top:1px solid var(--border)}.cat-list a{display:flex;align-items:center;gap:.6rem;min-height:44px;padding:.2rem 0;color:var(--text);text-decoration:none;font-size:.95rem}.cat-list a:hover,.cat-list a:focus-visible{color:var(--cat, var(--accent))}.cat-dot{flex:0 0 auto;width:.5rem;height:.5rem;border-radius:50%;background:var(--cat, var(--accent))}.cat-name{flex:1 1 auto}.cat-count{flex:0 0 auto;min-width:1.7rem;padding:.05rem .4rem;border-radius:999px;background:var(--bg);color:var(--muted);font-size:.8rem;text-align:center;font-variant-numeric:tabular-nums}.mini-list{list-style:none;margin:0;padding:0}.mini-list li+li{border-top:1px solid var(--border)}.mini-list a{display:grid;grid-template-columns:96px minmax(0,1fr);gap:.65rem;align-items:start;padding:.6rem 0;color:var(--text);text-decoration:none}.mini-list img{display:block;width:96px;height:54px;object-fit:cover;border-radius:4px;background:var(--bg)}.mini-title{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;line-clamp:3;overflow:hidden;font-size:.84rem;line-height:1.5;font-weight:600}.mini-list a:hover .mini-title,.mini-list a:focus-visible .mini-title{color:var(--accent);text-decoration:underline;text-underline-offset:.18em}.mini-date{display:block;margin-top:.2rem;font-size:.75rem;color:var(--muted);font-variant-numeric:tabular-nums}.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:minmax(0,1fr);gap:1.5rem}@media(min-width:620px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.cards--wide{grid-template-columns:minmax(0,1fr)}.cards--wide .card>a{display:grid;grid-template-columns:240px minmax(0,1fr)}.cards--wide .card__thumb{border-bottom:0;border-right:1px solid var(--border);border-radius:9px 0 0 9px}}.card{min-width:0;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow-sm);transition:box-shadow .35s var(--ease),border-color .35s var(--ease)}.card:hover,.card:focus-within{border-color:#c9bfaf;box-shadow:var(--shadow-md)}.card>a{display:block;color:inherit;text-decoration:none}.card__thumb{display:block;aspect-ratio:16 / 9;overflow:hidden;background:var(--bg);border-bottom:1px solid var(--border);border-radius:9px 9px 0 0}.card__thumb img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}.card:hover .card__thumb img,.card:focus-within .card__thumb img{transform:scale(1.03)}.card__body{display:block;padding:.9rem 1rem 1.1rem}.card__meta{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}.card__date{font-size:.78rem;color:var(--muted);font-variant-numeric:tabular-nums}h3.card__title,.card__title{display:block;margin:0;font-size:1.02rem;font-weight:700;line-height:1.55;text-wrap:pretty}.card:hover .card__title,.card:focus-within .card__title{text-decoration:underline;text-underline-offset:.18em}.card__desc{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;line-clamp:3;overflow:hidden;margin:.5rem 0 0;font-size:.87rem;line-height:1.75;color:var(--muted)}.badge{display:inline-block;padding:.18em .65em;border-radius:999px;background:var(--cat, var(--accent));color:#fff;font-size:.73rem;font-weight:700;line-height:1.6;letter-spacing:.03em;white-space:nowrap}.cat-juminzei{--cat: #9c5a35}.cat-kokuho{--cat: #2f6b5f}.cat-nenkin{--cat: #3d5a8c}.cat-koyo{--cat: #8a4a63}.post{max-width:none;margin:0;padding:0}.post__header{margin-bottom:1.75rem}.post__header h1{font-size:clamp(1.5rem,1.15rem + 1.5vw,2rem);line-height:1.45;margin:0 0 .75rem;text-wrap:pretty}.post__meta{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .75rem;margin:0 0 1.25rem;font-size:.82rem;color:var(--muted)}.post__meta time{font-variant-numeric:tabular-nums}.post__thumb{margin:0;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--bg);box-shadow:var(--shadow-sm)}.post__thumb img{display:block;width:100%;height:auto;aspect-ratio:1200 / 500;object-fit:cover}.post__footer{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--border)}.post__cat{display:flex;align-items:center;gap:.6rem;margin:0;font-size:.85rem;color:var(--muted)}.page-head{margin-bottom:1.75rem}.page-head h1{font-size:clamp(1.5rem,1.2rem + 1.2vw,1.9rem);margin:0 0 .5rem}.page-head p{margin:0;max-width:42em;color:var(--muted);font-size:.95rem;line-height:1.8}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin:2.75rem 0 1.1rem;padding-bottom:.5rem;border-bottom:2px solid var(--border)}.section-head h2{display:flex;align-items:center;gap:.55rem;margin:0;font-size:1.15rem;border:0;padding:0}.section-head .cat-dot{width:.62rem;height:.62rem}.section-head a{font-size:.85rem;color:var(--accent);white-space:nowrap}.section-count{font-size:.8rem;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}.hero{margin-bottom:.5rem;padding:1.75rem 1.5rem;background:var(--panel);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-sm)}.hero h1{font-size:clamp(1.55rem,1.15rem + 1.8vw,2.15rem);line-height:1.4;margin:0 0 .85rem;text-wrap:balance}.hero p{margin:0;max-width:40em;font-size:.98rem;line-height:1.9;color:var(--text)}.hero p+p{margin-top:.7rem;font-size:.92rem;color:var(--muted)}::selection{background:#e7ddcd;color:var(--text)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}a{text-underline-offset:.18em;text-decoration-thickness:.06em}html{scrollbar-color:#cfc5b5 var(--bg)}.sidebar{scrollbar-width:thin;scrollbar-color:#cfc5b5 transparent}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}}.cat-tiles{list-style:none;margin:0 0 .5rem;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem}@media(min-width:620px){.cat-tiles{grid-template-columns:repeat(4,minmax(0,1fr))}}.cat-tile{min-width:0}.cat-tile a{display:flex;flex-direction:column;gap:.3rem;height:100%;min-height:44px;padding:.9rem .9rem 1rem;background:var(--cat, var(--accent));border-radius:10px;box-shadow:var(--shadow-sm);color:#fff;text-decoration:none;transition:box-shadow .35s var(--ease)}.cat-tile a:hover,.cat-tile a:focus-visible{box-shadow:var(--shadow-md)}.cat-tile__name{font-size:1.02rem;font-weight:700;letter-spacing:.02em}.cat-tile__count{font-size:.78rem;opacity:1;font-variant-numeric:tabular-nums}.cat-tile__lead{margin-top:.15rem;font-size:.78rem;line-height:1.6}