:root{color:#1f2b29;font-synthesis:none;--ink:#1f2b29;--muted:#64716d;--line:#d9dfd9;--paper:#fffef9;--accent:#e46b45;--mint:#dbe9dc;background:#f4f5f0;font-family:Noto Sans JP,Yu Gothic,Hiragino Kaku Gothic ProN,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;margin:0}a{color:inherit}.site-header,main,.site-footer{width:min(1120px,100% - 40px);margin:0 auto}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:28px 0;display:flex}.brand{letter-spacing:.04em;align-items:center;gap:12px;font-size:14px;font-weight:800;line-height:1.25;text-decoration:none;display:inline-flex}.brand-mark{color:#fff;background:var(--accent);border-radius:50%;place-items:center;width:36px;height:36px;font-family:Georgia,serif;font-size:22px;display:grid}nav{color:var(--muted);gap:24px;font-size:13px;display:flex}nav a{text-decoration:none}nav a:hover,nav a:focus-visible,.card-footer a:hover,.card-footer a:focus-visible{color:var(--accent)}.intro{max-width:760px;padding:96px 0 88px}.eyebrow{color:var(--accent);letter-spacing:.2em;margin:0 0 16px;font-size:11px;font-weight:800}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.06em;margin-bottom:24px;font-size:clamp(2.6rem,7vw,5.6rem);line-height:1.08}h1 em{color:var(--accent);font-style:normal}.intro-copy{max-width:540px;color:var(--muted);margin-bottom:28px;font-size:17px;line-height:2}.intro-note{color:var(--ink);align-items:center;gap:10px;font-size:13px;font-weight:700;display:inline-flex}.intro-note span{color:var(--accent);font-size:20px}.article-section{border-top:1px solid var(--line);padding:72px 0 96px}.section-heading{justify-content:space-between;align-items:end;gap:32px;margin-bottom:32px;display:flex}h2{letter-spacing:-.04em;margin-bottom:0;font-size:clamp(1.7rem,3vw,2.6rem);line-height:1.25}.section-summary{max-width:300px;color:var(--muted);margin-bottom:0;font-size:14px;line-height:1.8}.article-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.article-card{border:1px solid var(--line);background:var(--paper);flex-direction:column;min-height:270px;padding:28px;display:flex}.article-card.featured{background:var(--mint);border-color:#0000}.card-topline,.card-footer{justify-content:space-between;align-items:center;gap:16px;display:flex}.category{color:var(--accent);font-size:12px;font-weight:800}.index{color:#8c9993;font:700 12px/1 Georgia,serif}.article-card h3{letter-spacing:-.04em;margin:38px 0 12px;font-size:clamp(1.35rem,2.5vw,1.9rem);line-height:1.45}.article-card h3 a{text-decoration:none}.article-card h3 a:hover,.article-card h3 a:focus-visible{color:var(--accent)}.article-card p{color:var(--muted);font-size:14px;line-height:1.85}.card-footer{color:#7a8580;margin-top:auto;padding-top:24px;font-size:11px}.card-footer a{color:var(--ink);font-size:13px;font-weight:800;text-decoration:none}.about{border-top:1px solid var(--line);grid-template-columns:160px 1fr;gap:64px;padding:72px 0;display:grid}.about-label{color:var(--accent);letter-spacing:.2em;font-size:11px;font-weight:800}.about h2{margin-bottom:20px}.about p{max-width:640px;color:var(--muted);margin-bottom:0;font-size:15px;line-height:2}.site-footer{color:#7a8580;letter-spacing:.04em;justify-content:space-between;padding:28px 0 40px;font-size:11px;display:flex}.info-footer-links{flex-wrap:wrap;gap:16px;display:inline-flex}.info-footer-links a{color:inherit;text-underline-offset:3px}.info-footer-links a:hover{color:var(--accent)}@media (width<=700px){.site-header,main,.site-footer{width:min(100% - 28px,560px)}.site-header{padding:20px 0}nav{gap:12px;font-size:12px}.intro{padding:68px 0 64px}.intro-copy{font-size:15px}.section-heading{display:block}.section-summary{margin-top:16px}.article-grid{grid-template-columns:1fr}.article-card{min-height:240px;padding:24px}.about{grid-template-columns:1fr;gap:16px;padding:56px 0}.site-footer{line-height:2;display:block}.info-footer-links{gap:10px 14px;margin-top:8px}}.skip-link{z-index:10;color:var(--paper);background:var(--ink);padding:10px 14px;font-size:13px;font-weight:800;text-decoration:none;position:fixed;top:12px;left:12px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid color-mix(in srgb, var(--accent) 72%, white);outline-offset:4px}.back-link{color:var(--muted);font-size:13px;font-weight:800;text-decoration:none}.back-link:hover,.back-link:focus-visible{color:var(--accent)}.article-page{width:min(820px,100% - 40px);padding:clamp(56px,9vw,104px) 0 112px}.article-page>.eyebrow{margin-bottom:20px}.article-page h1{letter-spacing:-.055em;text-wrap:balance;max-width:760px;margin-bottom:28px;font-size:clamp(2rem,5.5vw,4.25rem);line-height:1.22}.article-lead{max-width:680px;color:var(--muted);margin-bottom:24px;font-size:clamp(1rem,2vw,1.2rem);line-height:2}.article-meta{border-bottom:1px solid var(--line);color:#7a8580;letter-spacing:.04em;padding:0 0 24px;font-size:12px}.article-body{padding-top:48px;font-size:1.05rem;line-height:2}.article-body>section+section{margin-top:64px}.article-body h2{border-left:4px solid var(--accent);letter-spacing:-.045em;text-wrap:balance;margin:0 0 22px;padding-left:16px;font-size:clamp(1.45rem,3vw,2.15rem);line-height:1.45}.article-body h3{margin:32px 0 12px;font-size:1.2rem;line-height:1.5}.article-body p,.article-body ul,.article-body ol{margin-bottom:20px}.article-body ul,.article-body ol{padding-left:1.6em}.article-body li+li{margin-top:8px}.article-body strong{font-weight:800}.article-body a{color:#a3482d;text-underline-offset:3px}.article-body a:hover{color:var(--accent)}.article-body code{color:#854128;word-break:break-word;background:#fbf2e8;border:1px solid #e4ddd4;border-radius:4px;padding:.12em .34em;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.88em}.article-body .question{background:var(--mint);border:1px solid #cad8cd;border-radius:8px;margin:28px 0 20px;padding:24px 26px}.article-body .question p:last-child,.article-body .question ol:last-child{margin-bottom:0}.article-body .note{color:#53635d;background:#f1f6ef;border-left:3px solid #9ab7a1;margin:24px 0;padding:14px 18px;font-size:.93rem;line-height:1.85}.article-body table{border-collapse:collapse;text-align:left;overflow-wrap:anywhere;width:100%;margin:28px 0;font-size:.92rem;line-height:1.75}.article-body th,.article-body td{border:1px solid var(--line);vertical-align:top;padding:14px 15px}.article-body th{color:var(--ink);background:#edf3ed;font-weight:800}.article-body tr:nth-child(2n) td{background:#fcfcf8}.article-body details{border:1px solid var(--line);background:var(--paper);border-radius:8px;margin:28px 0;padding:16px 18px}.article-body summary{color:var(--ink);cursor:pointer;font-weight:800}.article-body details[open] summary{margin-bottom:14px}.article-body details p:last-child{margin-bottom:0}.article-source-note{border-top:1px solid var(--line);color:#7a8580;margin:64px 0 0;padding-top:20px;font-size:12px;line-height:1.8}@media (width<=700px){.article-page{width:min(100% - 28px,560px);padding:48px 0 72px}.article-page h1{font-size:clamp(1.9rem,9vw,3rem)}.article-body{padding-top:36px;font-size:1rem;line-height:1.95}.article-body>section+section{margin-top:48px}.article-body h2{padding-left:12px}.article-body .question{padding:18px}.article-body table{white-space:normal;display:block;overflow-x:auto}.article-body th,.article-body td{min-width:8rem;padding:11px 12px}.article-source-note{margin-top:48px}}
