*{box-sizing:border-box}body{margin:0;background:#f7f7ef;color:#234b3d;font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP",sans-serif;line-height:1.9}header,main,footer{max-width:940px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;border-bottom:1px solid #d9dfd0;gap:20px}a{color:inherit;text-underline-offset:4px}.logo{font-size:30px;font-weight:700;text-decoration:none}.kicker{font-size:12px;letter-spacing:.12em;color:#66765e}h1{font-family:serif;font-size:clamp(28px,5vw,46px);line-height:1.5;margin:28px 0}h2{font-size:23px;line-height:1.6;margin:0 0 16px}h3{font-size:18px}section{padding:30px 0;border-top:1px solid #d9dfd0}.lead{font-size:18px;max-width:720px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{padding:22px;background:white;border:1px solid #dde3d5;border-radius:12px}.card strong{display:block;font-size:20px}.button{display:inline-block;background:#234b3d;color:white;padding:14px 22px;border-radius:30px;text-decoration:none;margin:10px 8px 10px 0}.note{font-size:13px;color:#647266}details{padding:15px 0;border-bottom:1px solid #d9dfd0}summary{cursor:pointer;font-weight:700}li{margin:12px 0}footer{font-size:13px}a:focus-visible,summary:focus-visible{outline:3px solid #a17c38;outline-offset:4px}@media(max-width:600px){.cards{grid-template-columns:1fr}header,main,footer{padding:18px}header>a:last-child{font-size:13px}.lead{font-size:16px}}
h1{text-wrap:balance}