:root{--ink:#14243b;--muted:#526078;--accent:#6451c7;--rule:#cdd4e2;--band:#f4f6fb;--space:24px;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:#fff;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.85}a{color:inherit;text-decoration:none}button,summary{font:inherit}img{max-width:100%;height:auto;display:block}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:750;line-height:1.5;letter-spacing:.025em}h2{font-size:27px}h3{font-size:20px}p{overflow-wrap:anywhere}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}a,summary{-webkit-tap-highlight-color:#e7e3ff}a:hover{color:var(--accent)}.wrap{width:calc(100% - var(--space)*2);max-width:1184px;margin-inline:auto}.section{padding-block:64px;scroll-margin-top:24px}.skip-link{position:fixed;top:8px;left:8px;transform:translateY(-180%);background:var(--ink);color:#fff;padding:10px 20px;z-index:20}.skip-link:focus{transform:none}.site-header{height:80px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--rule);position:relative;z-index:5}.brand{display:inline-flex;gap:8px;align-items:center;font-size:20px;font-weight:750;letter-spacing:-.035em;min-height:44px}.brand img{width:96px;height:auto}.desktop-nav{display:none}.mobile-nav summary{list-style:none;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:48px;min-height:52px;font-size:10px;line-height:1.3;font-weight:650}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}.mobile-nav nav{position:absolute;left:0;right:0;top:79px;background:#fff;padding:16px 20px;border:1px solid var(--rule);box-shadow:0 12px 20px #14243b0a}.mobile-nav nav a{display:block;padding:12px 8px;border-bottom:1px solid var(--rule)}.mobile-nav nav a:last-child{border:0}.hero{padding-top:44px;padding-bottom:0;display:grid;gap:12px}.hero h1{font-size:40px;line-height:1.32;letter-spacing:-.025em}.hero p{margin-top:24px}.desktop-break{display:none}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 28px;margin-top:28px}.button,.text-link{display:inline-flex;gap:12px;align-items:center;justify-content:center;min-height:48px;font-size:15px;font-weight:700}.button{background:var(--accent);color:#fff;padding:12px 22px;border:1px solid var(--accent);border-radius:4px}.button:hover{color:#fff;background:#4c3aaf}.text-link{color:var(--accent);border-bottom:1px solid var(--accent)}.text-link:hover{color:#39278e;border-color:currentColor}.arrow{width:20px;height:20px;flex:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}.hero-art{width:250px;justify-self:center;aspect-ratio:1;object-fit:contain;margin-top:0}.ruled-heading{display:flex;align-items:center;gap:22px;margin-bottom:28px}.ruled-heading:after{content:"";height:1px;background:#8b97ae;flex:1;min-width:20px}.service-list{display:grid}.service{display:grid;grid-template-columns:38px minmax(0,1fr);gap:18px;border-top:1px solid var(--rule);padding-block:24px}.service:first-child{border-top:0;padding-top:0}.service:last-child{padding-bottom:0}.service .number{font-size:25px;color:var(--accent);line-height:1.4;font-variant-numeric:tabular-nums;letter-spacing:-.025em}.service h3{margin-bottom:8px}.service p{color:var(--muted);font-size:15px}.approach{background:var(--band)}.approach h2{margin-bottom:20px;font-size:26px}.approach-list{list-style:none;padding:0;margin:0}.approach-list li{display:grid;grid-template-columns:38px minmax(0,1fr);gap:10px 18px;padding:25px 0;border-bottom:1px solid var(--rule)}.approach-list li:last-child{border:0;padding-bottom:0}.approach-list .number{color:var(--accent);font-size:25px;line-height:1.4;font-variant-numeric:tabular-nums}.approach-list p{grid-column:2;font-size:15px;color:var(--muted)}.topic{display:grid;gap:22px}.topic img{width:100%;aspect-ratio:1.85;object-fit:cover;border-radius:2px}.topic h3{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px;font-size:21px}.topic h3 .arrow{margin-top:6px}.topic time{font-size:14px;color:var(--muted)}.topic p{margin-top:14px;color:var(--muted)}.latest{margin-top:48px}.latest .ruled-heading{margin-bottom:12px}.archive-note{color:var(--muted);font-size:14px;margin-bottom:16px}.article-list{list-style:none;padding:0;margin:0 0 20px}.article-list li{border-bottom:1px solid var(--rule)}.article-list a{display:grid;grid-template-columns:minmax(0,1fr) 20px;gap:4px 16px;padding-block:18px;align-items:center}.article-list time{grid-column:1;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.article-list span{grid-column:1;overflow-wrap:anywhere}.article-list .arrow{grid-column:2;grid-row:1/3}.article-list .empty{padding:20px 0}.site-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--rule);padding-block:24px 32px;gap:12px}.site-footer>a:last-child{font-size:13px;min-height:44px;display:flex;align-items:center}.site-footer .brand{font-size:16px}.site-footer .brand img{width:80px}
@media(min-width:600px){.hero h1{font-size:50px}.hero-art{width:320px}.mobile-break{display:none}.section{padding-block:80px}.approach-list li{grid-template-columns:48px 130px minmax(0,1fr);align-items:start;gap:24px}.approach-list p{grid-column:auto}.topic{grid-template-columns:1.25fr 1fr;align-items:start;gap:32px}.article-list a{grid-template-columns:120px minmax(0,1fr) 20px;gap:20px}.article-list time{grid-column:auto}.article-list span{grid-column:auto}.article-list .arrow{grid-column:auto;grid-row:auto}}
@media(min-width:1000px){:root{--space:48px}.site-header{height:88px}.brand{font-size:24px}.brand img{width:118px}.mobile-nav{display:none}.desktop-nav{display:flex;gap:40px;font-size:14px;font-weight:650}.desktop-nav a{min-height:44px;display:flex;align-items:center}.hero{grid-template-columns:1.4fr 1fr;align-items:center;gap:0;padding-block:60px 40px;min-height:610px}.hero h1{font-size:60px;line-height:1.35;white-space:nowrap}.hero p{font-size:17px;margin-top:28px}.desktop-break{display:block}.hero-art{width:100%;max-width:490px;margin:0;justify-self:end}.hero-actions{margin-top:36px;gap:36px}.button{padding-inline:28px;min-height:52px}.section{padding-block:76px}h2{font-size:36px}.ruled-heading{margin-bottom:40px;gap:28px}.service-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:42px}.service{display:block;border:0;padding:0}.service .number{font-size:31px;display:flex;gap:24px;align-items:center;margin-bottom:24px}.service .number:after{content:"";height:1px;flex:1;background:var(--accent)}.service h3{font-size:23px;margin-bottom:18px}.service p{font-size:15px}.approach h2{font-size:36px;margin-bottom:20px}.approach-list li{padding-block:28px;grid-template-columns:70px 200px minmax(0,1fr);gap:38px}.approach-list .number{font-size:32px;border-right:1px solid #a9b2c8;line-height:1.25}.approach-list h3{font-size:24px}.approach-list p{font-size:16px}.topic{grid-template-columns:1.4fr 1fr;gap:36px}.topic h3{font-size:26px}.topic p{margin-top:22px}.latest{margin-top:60px}.article-list a{padding-block:22px;grid-template-columns:150px minmax(0,1fr) 20px}.site-footer{margin-top:12px;padding-block:22px 34px}}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}a{transition:color .15s,background-color .15s}}