:root{--navy:#0D1B3D;--blue:#1F6FE5;--ink:#182033;--muted:#64748B;--line:#DCE4EE;--bg:#F5F8FC;--white:#fff;--max:920px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;line-height:1.9;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}.container{width:min(calc(100% - 40px),var(--max));margin:auto}header{background:#fff;border-bottom:1px solid var(--line)}.head{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand img{display:block;width:auto;height:52px;max-width:230px}.back{font-size:14px;font-weight:700}.hero{padding:68px 0 30px}.eyebrow{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}h1{margin:8px 0 10px;color:var(--navy);font-size:clamp(34px,6vw,52px);line-height:1.3}.lead{margin:0;color:var(--muted)}.card{margin:26px auto 70px;padding:clamp(24px,5vw,54px);border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:0 16px 45px rgba(13,27,61,.07)}h2{margin:38px 0 10px;color:var(--navy);font-size:22px}h2:first-child{margin-top:0}p{margin:0 0 12px}ul{margin:8px 0 14px;padding-left:1.4em}.info{width:100%;border-collapse:collapse}.info th,.info td{padding:15px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.info th{width:180px;color:var(--navy)}.date{margin-top:38px;color:var(--muted);font-size:13px}footer{padding:30px 0;background:var(--navy);color:#cbd5e1}.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px}.foot a{color:#fff}@media(max-width:560px){.container{width:min(calc(100% - 28px),var(--max))}.brand img{height:44px;max-width:185px}.info th,.info td{display:block;width:100%;padding:10px 4px}.info th{padding-top:18px;border-bottom:0}.info td{padding-top:0}}