#back-to-top[data-astro-cid-wlspcwf4]{position:fixed;right:1.25rem;bottom:1.25rem;z-index:50;width:44px;height:44px;display:grid;place-items:center;padding:0;border:1px solid var(--border);border-radius:50%;background:var(--bg);color:var(--fg);cursor:pointer;box-shadow:0 2px 8px #00000026;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .25s ease,transform .25s ease,visibility .25s}#back-to-top[data-astro-cid-wlspcwf4].show{opacity:1;visibility:visible;transform:translateY(0)}#back-to-top[data-astro-cid-wlspcwf4]:hover{border-color:var(--accent);color:var(--accent)}#back-to-top[data-astro-cid-wlspcwf4] svg[data-astro-cid-wlspcwf4]{width:22px;height:22px}@media(prefers-reduced-motion:reduce){#back-to-top[data-astro-cid-wlspcwf4]{transform:none;transition:opacity .25s ease,visibility .25s}#back-to-top[data-astro-cid-wlspcwf4].show{transform:none}}#share-fab[data-astro-cid-qan2qojn]{position:fixed;right:1.25rem;bottom:calc(2rem + 44px);z-index:50;width:44px;height:44px;display:grid;place-items:center;padding:0;border:1px solid var(--border);border-radius:50%;background:var(--bg);color:var(--fg);cursor:pointer;box-shadow:0 2px 8px #00000026;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .25s ease,transform .25s ease,visibility .25s}#share-fab[data-astro-cid-qan2qojn].show{opacity:1;visibility:visible;transform:translateY(0)}#share-fab[data-astro-cid-qan2qojn]:hover{border-color:var(--accent);color:var(--accent)}#share-fab[data-astro-cid-qan2qojn] svg[data-astro-cid-qan2qojn]{width:20px;height:20px}#share-overlay[data-astro-cid-qan2qojn]{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:1rem;background:#00000080;opacity:0;transition:opacity .2s ease}#share-overlay[data-astro-cid-qan2qojn][hidden]{display:none}#share-overlay[data-astro-cid-qan2qojn].open{opacity:1}.share-modal[data-astro-cid-qan2qojn]{width:100%;max-width:340px;background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:14px;box-shadow:0 10px 40px #0000004d;transform:translateY(8px) scale(.98);transition:transform .2s ease,opacity .2s ease;opacity:0}#share-overlay[data-astro-cid-qan2qojn].open .share-modal[data-astro-cid-qan2qojn]{transform:translateY(0) scale(1);opacity:1}.share-head[data-astro-cid-qan2qojn]{display:flex;align-items:center;justify-content:space-between;padding:.9rem 1rem;border-bottom:1px solid var(--border)}.share-title[data-astro-cid-qan2qojn]{font-weight:700;font-size:1.05rem}.share-close[data-astro-cid-qan2qojn]{display:grid;place-items:center;width:32px;height:32px;padding:0;border:none;border-radius:8px;background:transparent;color:var(--fg);cursor:pointer}.share-close[data-astro-cid-qan2qojn]:hover{color:var(--accent)}.share-close[data-astro-cid-qan2qojn] svg[data-astro-cid-qan2qojn]{width:20px;height:20px}.share-list[data-astro-cid-qan2qojn]{list-style:none;margin:0;padding:.5rem;display:flex;flex-direction:column;gap:.25rem}.share-item[data-astro-cid-qan2qojn]{display:flex;align-items:center;gap:1rem;width:100%;padding:.75rem .9rem;border:none;border-radius:10px;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer}.share-item[data-astro-cid-qan2qojn]:hover{background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent)}.s-icon[data-astro-cid-qan2qojn]{flex:0 0 auto;width:26px;height:26px;display:inline-flex}.s-icon[data-astro-cid-qan2qojn] svg{width:100%;height:100%;display:block}.s-name[data-astro-cid-qan2qojn]{font-size:1.1rem;font-weight:600}#share-toast[data-astro-cid-qan2qojn]{position:fixed;left:50%;bottom:2rem;transform:translate(-50%) translateY(8px);z-index:110;padding:.6rem 1.1rem;border-radius:999px;background:var(--fg);color:var(--bg);font-size:.9rem;opacity:0;transition:opacity .25s ease,transform .25s ease}#share-toast[data-astro-cid-qan2qojn].show{opacity:1;transform:translate(-50%) translateY(0)}@media(prefers-reduced-motion:reduce){#share-fab[data-astro-cid-qan2qojn],#share-overlay[data-astro-cid-qan2qojn],.share-modal[data-astro-cid-qan2qojn],#share-toast[data-astro-cid-qan2qojn]{transition:opacity .2s ease,visibility .2s}#share-fab[data-astro-cid-qan2qojn],#share-fab[data-astro-cid-qan2qojn].show,.share-modal[data-astro-cid-qan2qojn],#share-overlay[data-astro-cid-qan2qojn].open .share-modal[data-astro-cid-qan2qojn],#share-toast[data-astro-cid-qan2qojn],#share-toast[data-astro-cid-qan2qojn].show{transform:none}}:root{color-scheme:light dark;--bg: #ffffff;--fg: #1a1a1a;--muted: #666;--border: #e2e2e2;--accent: #d6336c}@media(prefers-color-scheme:dark){:root{--bg: #121212;--fg: #eaeaea;--muted: #999;--border: #2a2a2a;--accent: #ff6b9d}}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;background:var(--bg);color:var(--fg);line-height:1.6}a{color:inherit}img{max-width:100%;height:auto;display:block}.container{max-width:960px;margin:0 auto;padding:1rem}header.site{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border)}header.site a{text-decoration:none}header.site .site-nav{display:flex;align-items:center;gap:1.25rem}.brand{font-weight:800;font-size:1.9rem;letter-spacing:.12em;color:var(--accent)}