:root{color-scheme:light;--ink:#111;--muted:#606060;--line:#d9d9d9;--soft:#f6f6f6;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Yu Gothic UI","Yu Gothic",sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0;color:var(--ink);background:#fff;line-height:1.75}a{color:#222;text-underline-offset:.18em}a:focus-visible{outline:2px solid #555;outline-offset:3px}.site-head{display:flex;align-items:center;justify-content:space-between;gap:2rem;min-height:58px;padding:0 max(1rem,calc((100vw - 960px)/2));border-bottom:1px solid var(--line)}.brand{font-weight:700;text-decoration:none}.site-head nav,.site-foot nav{display:flex;flex-wrap:wrap;gap:1rem}.site-head nav a{color:var(--muted);font-size:.82rem}.page{width:min(100% - 2rem,960px);margin:auto;padding:clamp(2.5rem,7vw,5rem) 0}.eyebrow{margin:0 0 .5rem;color:var(--muted);font-size:.72rem;font-weight:700;letter-spacing:.1em}.hero{max-width:720px;margin-bottom:2.5rem}.hero h1{margin:0 0 1rem;font-size:clamp(2rem,6vw,4rem);line-height:1.05;letter-spacing:-.045em}.hero p{color:var(--muted);font-size:1.03rem}.actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.5rem}.button{display:inline-block;padding:.65rem .9rem;color:#fff;font-size:.85rem;font-weight:700;text-decoration:none;background:#111;border:1px solid #111;border-radius:5px}.button.secondary{color:#222;background:#fff;border-color:var(--line)}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.card,.prose{padding:1.3rem;border:1px solid var(--line);border-radius:8px}.card h2,.prose h2{margin-top:0;font-size:1rem}.card p,.card li{color:var(--muted);font-size:.88rem}.prose{grid-column:1/-1}.prose h2{margin-top:2rem}.prose h2:first-child{margin-top:0}.prose p,.prose li{color:#444;font-size:.92rem}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:.7rem;padding:0;margin:0 0 1rem;list-style:none}.facts li{padding:1rem;background:var(--soft);border-left:3px solid #333}.facts b,.facts span{display:block}.facts span{color:var(--muted);font-size:.78rem}.site-foot{display:flex;justify-content:space-between;gap:1rem;width:min(100% - 2rem,960px);margin:auto;padding:1.4rem 0 2.5rem;color:var(--muted);font-size:.78rem;border-top:1px solid var(--line)}@media(max-width:650px){.site-head,.site-foot{align-items:flex-start;flex-direction:column;padding-top:1rem;padding-bottom:1rem}.content-grid,.facts{grid-template-columns:1fr}}

html[lang="en"] [data-lang="ja"],html[lang="ja"] [data-lang="en"]{display:none!important}.site-head #lang-toggle{padding:0;color:var(--muted);font:inherit;font-size:.82rem;text-decoration:underline;text-underline-offset:.18em;background:none;border:0;cursor:pointer}.site-head #lang-toggle:focus-visible{outline:2px solid #555;outline-offset:3px}

html[data-theme="dark"]{color-scheme:dark;--ink:#f2f2f0;--muted:#aaa9a4;--line:#3b3d3f;--soft:#202225;background:#111315}
html[data-theme="dark"] body{background:#111315}
html[data-theme="dark"] a{color:#e8e8e5}
html[data-theme="dark"] .button{color:#111315;background:#f2f2f0;border-color:#f2f2f0}
html[data-theme="dark"] .button.secondary{color:#f2f2f0;background:#1a1c1f;border-color:var(--line)}
html[data-theme="dark"] .card,html[data-theme="dark"] .prose{background:#17191c}
html[data-theme="dark"] .prose p,html[data-theme="dark"] .prose li{color:#c8c8c3}
html[data-theme="dark"] .facts li{background:var(--soft);border-left-color:#a8a8a3}
.site-head #theme-toggle{display:inline-grid;width:2rem;height:2rem;padding:0;place-items:center;color:var(--muted);font:inherit;background:transparent;border:1px solid var(--line);border-radius:50%;cursor:pointer}
.site-head #theme-toggle:hover{background:var(--soft)}
.site-head #theme-toggle:focus-visible{outline:2px solid currentColor;outline-offset:3px}
.topbar{display:flex;align-items:center;justify-content:space-between;min-height:57px;background:#fff;border-bottom:1px solid var(--line)}
.topbar .brand{display:flex;align-items:center;gap:.7rem;padding:0 20px;color:var(--ink);font-weight:650;font-size:14px;text-decoration:none}
.brand-icon{display:block}
.top-actions{display:flex;flex:1;align-items:center;justify-content:space-between;padding:0 28px;font-size:14px}
.top-title{font-size:.88rem}
.top-links{display:flex;align-items:center;gap:1.5rem}
.top-links a{display:inline-flex;align-items:center;min-height:32px;color:var(--ink);font-size:14px;text-decoration:none}
.top-links a:hover{text-decoration:underline}
.top-links #lang-toggle{padding:0;color:var(--ink);font:inherit;font-size:14px;text-decoration:none;background:none;border:0;cursor:pointer}
.top-links #lang-toggle:hover{text-decoration:underline}
.top-links #theme-toggle{display:inline-grid;width:2rem;height:2rem;padding:0;place-items:center;color:var(--ink);font:inherit;background:transparent;border:1px solid var(--line);border-radius:50%;cursor:pointer}
.top-links #theme-toggle:hover{background:var(--soft)}
html[data-theme="dark"] .topbar{background:#111315}
@media(max-width:800px){.top-title{display:none}.top-actions{flex:none;padding:0 16px}.top-links a:first-child{display:none}}
@media(max-width:520px){.top-links{gap:.8rem}}

.shot {
  margin: 1.5rem 0;
}
.shot img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.shot figcaption {
  margin-top: .5rem;
  color: var(--muted);
  font-size: .8rem;
}