:root{--ink:#2c332d;--sage:#52684b;--paper:#faf7f2;--line:#d9dfd4}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN",sans-serif;line-height:1.9}a{color:var(--sage);text-underline-offset:4px}a:focus-visible{outline:3px solid #b08026;outline-offset:4px}header{background:#2c332d;color:white;padding:18px max(20px,calc((100vw - 1100px)/2));display:flex;gap:24px;align-items:center;flex-wrap:wrap}header a{color:white}header .brand{font-family:Georgia,serif;font-size:24px;letter-spacing:5px;text-decoration:none}nav{display:flex;gap:20px;flex-wrap:wrap;font-size:14px}main{max-width:1100px;margin:auto;padding:24px}.crumb{font-size:13px;margin-bottom:36px}.intro{padding:40px 0 64px;border-bottom:1px solid var(--line)}.eyebrow{font-size:13px;letter-spacing:3px;color:var(--sage)}h1{font-family:"Yu Mincho",serif;font-size:clamp(28px,5vw,46px);line-height:1.5;font-weight:500}h2{font-size:25px;line-height:1.6}h3{font-size:19px}p{max-width:780px}section{padding:30px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:24px}.card{padding:26px;background:white;border:1px solid var(--line);border-radius:8px}dt{font-weight:600;margin-top:18px}dd{margin:6px 0}iframe{width:100%;height:320px;border:0;border-radius:8px}.button{display:inline-block;padding:12px 22px;background:var(--sage);color:white;border-radius:4px;text-decoration:none;margin:10px 8px 10px 0}.note{background:#edf0e9;padding:20px;border-left:3px solid var(--sage)}footer{margin-top:50px;padding:32px 24px;background:#2c332d;color:white;text-align:center}footer a{color:white}li{margin:10px 0}@media(max-width:480px){main{padding:20px}header{gap:12px}nav{gap:14px}.intro{padding:20px 0 35px}}
