:root{--accent:#4f8cff;--accent-2:#7b61ff;--ink:#111827;--muted:#667085;--line:#e6e9ef;--paper:#fff;--soft:#f5f7fb;--deep:#0b1120;--radius:20px;--shadow:0 20px 60px rgba(15,23,42,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;color:var(--ink);background:var(--soft);line-height:1.8}a{color:inherit}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(11,17,32,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.09)}.header-inner{min-height:72px;display:flex;align-items:center;gap:28px}.brand{color:#fff;text-decoration:none;font-weight:850;letter-spacing:-.025em;font-size:1.08rem}.brand-dot{color:var(--accent)}.nav{margin-left:auto;display:flex;align-items:center;gap:20px}.nav a{color:#d7deeb;text-decoration:none;font-size:.91rem}.nav a:hover{color:#fff}.hero{background:radial-gradient(circle at 78% 10%,color-mix(in srgb,var(--accent) 34%,transparent),transparent 36%),linear-gradient(135deg,#090f1d,#111b32);color:#fff;padding:88px 0 80px}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#b9c8e4}.eyebrow:before{content:"";width:28px;height:2px;background:var(--accent)}.hero h1{font-size:clamp(2.4rem,6vw,5.2rem);line-height:1.08;letter-spacing:-.055em;max-width:850px;margin:.25em 0}.hero p{max-width:720px;color:#c8d2e5;font-size:1.1rem}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:999px;text-decoration:none;font-weight:750;border:1px solid transparent}.button-primary{background:var(--accent);color:#fff;box-shadow:0 12px 35px color-mix(in srgb,var(--accent) 35%,transparent)}.button-ghost{border-color:rgba(255,255,255,.2);color:#fff;background:rgba(255,255,255,.05)}main{padding:56px 0 90px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:0 0 24px}.section-head h2{font-size:clamp(1.65rem,3vw,2.4rem);letter-spacing:-.035em;margin:0}.section-head p{color:var(--muted);margin:0}.featured{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,.7fr);gap:22px;margin-bottom:62px}.featured-main,.feature-side,.article-card,.info-panel,.article-shell{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.featured-main{padding:36px;min-height:360px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(150deg,color-mix(in srgb,var(--accent) 10%,white),#fff 52%)}.featured-main h2{font-size:clamp(2rem,4vw,3.35rem);line-height:1.22;letter-spacing:-.045em;margin:.35em 0}.featured-main a{text-decoration:none}.featured-main p{font-size:1.05rem;color:var(--muted)}.feature-side{padding:30px}.feature-side h3{margin-top:0}.topic-list{display:grid;gap:0}.topic-list a{display:block;text-decoration:none;padding:18px 0;border-top:1px solid var(--line)}.topic-list a:first-child{border-top:0}.topic-list span{display:block;color:var(--muted);font-size:.82rem}.kind{display:inline-flex;align-items:center;border-radius:999px;padding:5px 11px;background:color-mix(in srgb,var(--accent) 10%,white);color:color-mix(in srgb,var(--accent) 75%,#13203b);font-size:.73rem;font-weight:850;letter-spacing:.04em}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.article-card{padding:25px;display:flex;flex-direction:column;min-height:270px}.article-card h3{font-size:1.3rem;line-height:1.4;letter-spacing:-.025em}.article-card h3 a{text-decoration:none}.article-card p{color:var(--muted);font-size:.94rem}.card-meta{margin-top:auto;font-size:.78rem;color:#8a94a6}.category-band{margin:70px 0 10px;display:grid;grid-template-columns:1fr 1fr;gap:20px}.category-tile{position:relative;overflow:hidden;padding:35px;border-radius:var(--radius);background:var(--deep);color:#fff;text-decoration:none;min-height:215px}.category-tile:nth-child(2){background:linear-gradient(135deg,#172554,#312e81)}.category-tile:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-50px;bottom:-80px;background:var(--accent);opacity:.2}.category-tile h3{font-size:1.8rem;margin:.3em 0}.category-tile p{color:#cbd5e1;max-width:450px}.empty{background:#fff;border:1px dashed #cfd6e2;border-radius:var(--radius);padding:50px;text-align:center;color:var(--muted)}.site-footer{background:var(--deep);color:#b8c2d4;padding:50px 0}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:30px}.footer-links{display:flex;flex-wrap:wrap;gap:18px;justify-content:flex-end}.footer-links a{color:#d8dfeb;text-decoration:none}.article-hero{background:linear-gradient(135deg,#0a1020,#17213a);color:#fff;padding:55px 0}.breadcrumbs{font-size:.83rem;color:#aebbd1;margin-bottom:20px}.breadcrumbs a{color:#dce5f4;text-decoration:none}.article-hero h1{font-size:clamp(2rem,5vw,4.2rem);line-height:1.18;letter-spacing:-.05em;max-width:950px;margin:.3em 0}.article-lead{font-size:1.12rem;color:#c7d2e7;max-width:850px}.article-meta{font-size:.83rem;color:#9caac1}.article-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(240px,320px);gap:26px;align-items:start}.article-shell{padding:clamp(24px,5vw,54px)}.article-body{font-size:1.02rem}.article-body h2{font-size:1.7rem;line-height:1.4;letter-spacing:-.03em;margin:2.1em 0 .6em;padding-top:.3em;border-top:1px solid var(--line)}.article-body h3{font-size:1.28rem;margin:1.7em 0 .45em}.article-body p{margin:1.05em 0}.article-body a{color:#265fc8;text-underline-offset:3px}.article-body blockquote{margin:1.5em 0;padding:12px 20px;border-left:4px solid var(--accent);background:#f7f9fd;color:#45516a}.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#eef2f7;border-radius:6px;padding:.15em .35em}.article-body pre{overflow:auto;background:#0b1220;color:#d9e3f3;border-radius:14px;padding:20px}.article-body pre code{background:none;padding:0}.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.91rem}.article-body th,.article-body td{border:1px solid var(--line);padding:11px 12px;text-align:left}.article-body th{background:#f4f7fb}.disclosure{border:1px solid #f0d99d;background:#fffbeb;color:#6c5312;padding:15px 17px;border-radius:13px;font-size:.86rem;margin-bottom:28px}.side-stack{display:grid;gap:18px;position:sticky;top:92px}.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.side-card h2{font-size:1.05rem;margin-top:0}.offer{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;border-top:1px solid var(--line);padding:15px 0}.offer:first-of-type{border-top:0}.offer-name{font-weight:800;text-transform:capitalize}.offer-price{font-size:.85rem;color:var(--muted)}.buy-button{display:inline-flex;background:var(--accent);color:#fff!important;text-decoration:none;padding:9px 12px;border-radius:10px;font-weight:800;font-size:.82rem}.source-list{padding-left:18px;word-break:break-all}.source-list a{font-size:.82rem;color:#365d9d}.static-page{max-width:850px;margin:auto}.static-page h1{font-size:clamp(2.2rem,5vw,4rem);letter-spacing:-.05em}.policy-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,5vw,48px)}
@media(max-width:900px){.featured,.article-layout{grid-template-columns:1fr}.side-stack{position:static}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.nav{gap:12px}.nav a:nth-child(n+4){display:none}}
@media(max-width:640px){.wrap{width:min(100% - 26px,1160px)}.header-inner{min-height:62px}.nav a{display:none}.nav a:first-child{display:block}.hero{padding:58px 0}.hero h1{font-size:2.55rem}.featured-main{padding:26px;min-height:300px}.cards,.category-band,.footer-grid{grid-template-columns:1fr}.footer-links{justify-content:flex-start}.article-hero{padding:38px 0}.article-shell{border-radius:14px}.article-body{font-size:.98rem}}