:root{--bg: #f4f6f9;--surface: #ffffff;--ink: #1a2433;--muted: #566273;--line: #dbe2ea;--soft: #eef2f6;--accent: #1d4e89;--accent-ink: #ffffff;--accent-soft: #e8eff8;--teal: #1a5fa8;--teal-soft: #eaf2fb;--hero: #14335c;--hero-ink: #ffffff;--hero-muted: #c9d6e8;--warn: #8a5a00;--warn-soft: #fff6e0;--f-body: "IBM Plex Sans JP", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;--f-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;--il-bg: #edf2f8;--il-bg2: #dbe6f2;--il-ink-on: #ffffff;--il-star: #e0a33a;--il-coin: #f1c96b;--il-water: #cfe0f1;--w: 1120px;--read: 44rem;color-scheme:light}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;font-feature-settings:"palt";overflow-x:clip}a{color:var(--teal);text-underline-offset:3px}a:hover{color:var(--accent)}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}img{max-width:100%;height:auto}h1,h2,h3{line-height:1.4;text-wrap:balance}code{font-family:var(--f-mono);font-size:.88em;background:var(--soft);padding:.1em .35em;border-radius:4px}.wrap{max-width:var(--w);margin-inline:auto;padding-inline:16px}.eyebrow{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);font-weight:500}.muted{color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.site-head{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.site-head .wrap{display:flex;align-items:center;gap:8px 20px;flex-wrap:wrap;min-height:60px;padding-block:8px}.logo{font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:.01em;display:flex;align-items:baseline;gap:8px}.logo span{font-size:.72rem;font-weight:500;color:var(--muted)}.head-nav{display:flex;gap:2px 14px;flex-wrap:wrap;margin-left:auto;font-size:.92rem}.head-nav a{color:var(--ink);text-decoration:none;padding:4px 2px}.head-nav a:hover,.head-nav a[aria-current=page]{color:var(--accent)}.search-mini{display:flex}.search-mini input{width:11rem;max-width:40vw;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:999px;padding:6px 14px;font:inherit;font-size:.9rem}.site-foot{margin-top:72px;border-top:1px solid var(--line);background:var(--surface);padding-block:32px 48px;font-size:.88rem;color:var(--muted)}.site-foot .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px}.site-foot h2{font-size:.85rem;color:var(--ink);margin:0 0 6px}.site-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}.site-foot a{color:var(--muted)}.crumbs{font-size:.82rem;color:var(--muted);margin-block:20px 8px}.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px}.crumbs li+li:before{content:"›";margin-right:4px;color:var(--line)}.crumbs a{color:var(--muted)}.art-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start}.art-main{min-width:0;max-width:var(--read)}.art-title{font-size:clamp(1.6rem,4.6vw,2.2rem);font-weight:700;margin:4px 0 12px}.art-meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.84rem;color:var(--muted);margin-bottom:20px}.art-meta .chip{border:1px solid var(--line);border-radius:999px;padding:0 10px;background:var(--surface)}.hero-fig{margin:0 0 24px}.hero-fig img,.hero-fig .illust{display:block;width:100%;height:auto;aspect-ratio:16 / 7;object-fit:cover;border-radius:16px;background:var(--soft)}.hero-fig figcaption{font-size:.75rem;color:var(--muted);margin-top:6px;text-align:right}.hero-fig figcaption a{color:var(--muted)}.summary{background:var(--teal-soft);border-radius:12px;padding:16px 20px;margin-bottom:28px}.summary .lb{font-size:.78rem;font-weight:700;letter-spacing:.12em;color:var(--teal)}.summary p{margin:2px 0 0}.review-banner{background:var(--warn-soft);color:var(--warn);border:1px solid var(--warn);border-radius:10px;padding:10px 16px;margin-bottom:20px;font-weight:600;font-size:.92rem}.prose h2{font-size:1.35rem;margin:2.2em 0 .6em;padding-bottom:.3em;border-bottom:1px solid var(--line)}.prose h3{font-size:1.1rem;margin:1.8em 0 .5em}.prose p,.prose ul,.prose ol{margin:0 0 1.1em}.prose li{margin-bottom:.35em}.prose table{width:100%;border-collapse:collapse;font-size:.92rem;display:block;overflow-x:auto;margin-bottom:1.4em}.prose th,.prose td{border:1px solid var(--line);padding:8px 12px;text-align:left;vertical-align:top}.prose th{background:var(--soft);white-space:nowrap}.prose blockquote{margin:0 0 1.2em;padding:10px 16px;border-left:4px solid var(--accent);background:var(--accent-soft);border-radius:0 8px 8px 0}.prose blockquote p{margin:0}.box{border:1px solid var(--line);background:var(--surface);border-radius:14px;padding:20px 22px;margin-top:32px}.box h2{font-size:1.05rem;margin:0 0 10px;border:0;padding:0}.sources ol{margin:0;padding-left:1.3em;font-size:.9rem}.sources li{margin-bottom:6px;overflow-wrap:anywhere}.sources .ck{color:var(--muted);font-size:.82rem;margin-left:6px}.history ul{margin:0;padding-left:1.2em;font-size:.88rem;color:var(--muted)}.report-cta{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between;margin-top:32px;padding:16px 20px;border:1px dashed var(--line);border-radius:14px;font-size:.92rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:8px 20px;border-radius:999px;border:1.5px solid var(--ink);background:var(--surface);color:var(--ink);font:inherit;font-weight:600;text-decoration:none;cursor:pointer}.btn:hover{border-color:var(--accent);color:var(--accent)}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary:hover{color:var(--accent-ink);filter:brightness(1.05)}.side{position:sticky;top:84px;display:grid;gap:16px}.side .box{margin:0;padding:16px 18px}.side h2{font-size:.9rem}.toc ol{margin:0;padding-left:1.2em;font-size:.88rem}.linklist{list-style:none;margin:0;padding:0;display:grid;gap:4px;font-size:.92rem}.soon{color:var(--muted)}.soon:after{content:"（準備中）";font-size:.8em}.ad{margin-block:28px}.ad .lb{font-size:.72rem;color:var(--muted);letter-spacing:.1em}.ad .frame{background:var(--soft);border-radius:10px;display:grid;place-items:center;overflow:hidden}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px;color:var(--ink);text-decoration:none}.card:hover{border-color:var(--accent);color:var(--ink)}.card b{display:block;font-size:1.02rem;margin-bottom:2px}.card span{color:var(--muted);font-size:.86rem;line-height:1.6;display:block}.card .n{font-family:var(--f-mono);font-size:.74rem;color:var(--teal);margin-top:8px}.alist{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.alist li{border-bottom:1px solid var(--line)}.alist a{display:block;padding:12px 4px;color:var(--ink);text-decoration:none}.alist a:hover b{color:var(--accent)}.alist b{display:block;font-weight:600}.alist span{display:block;color:var(--muted);font-size:.86rem;line-height:1.6}.page-h{font-size:clamp(1.6rem,4.6vw,2.2rem);margin:4px 0 8px}.page-lead{color:var(--muted);max-width:44rem;margin:0 0 28px}.sec-h{font-size:1.2rem;margin:40px 0 14px}.hero{background:var(--hero);color:var(--hero-ink);padding-block:48px 56px}.hero h1{font-size:clamp(1.8rem,5.4vw,2.8rem);margin:8px 0 12px;font-weight:700}.hero p{color:var(--hero-muted);max-width:40rem;margin:0 0 22px}.hero form{display:flex;gap:8px;max-width:36rem;flex-wrap:wrap}.hero input{flex:1 1 16rem;min-width:0;border:0;border-radius:999px;padding:12px 20px;font:inherit;background:var(--surface);color:var(--ink)}.personas{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-top:-28px}.persona{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;text-decoration:none;color:var(--ink);box-shadow:0 6px 18px #0f14280f}.persona:hover{border-color:var(--accent);color:var(--ink)}.persona b{display:block}.persona span{font-size:.84rem;color:var(--muted)}.feature{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:14px;padding:18px 22px;margin-top:32px}.feature b{font-size:1.05rem}.stat{font-variant-numeric:tabular-nums}.bar{height:8px;background:var(--soft);border-radius:4px;overflow:hidden;min-width:80px}.bar i{display:block;height:100%;background:var(--teal)}.form{display:grid;gap:16px;max-width:40rem}.form label{display:grid;gap:4px;font-weight:600;font-size:.95rem}.form label small{font-weight:400;color:var(--muted)}.form input,.form textarea{font:inherit;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink)}.form textarea{min-height:120px;resize:vertical}@media(max-width:900px){.art-grid{grid-template-columns:minmax(0,1fr);gap:0}.side{position:static;margin-top:32px}.side .ad-side{display:none}}@media(max-width:560px){.search-mini{display:none}.head-nav{font-size:.86rem;gap:2px 10px}}.hero .eyebrow{color:var(--hero-muted)}