:root{color-scheme:light;--ink:#193a38;--muted:#5d7471;--teal:#0b5d57;--line:#dbe8e2;--bg:#f7faf6}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;line-height:1.75}header,main,footer{max-width:820px;margin:auto;padding:0 24px}header{display:flex;align-items:center;justify-content:space-between;padding-top:28px;padding-bottom:24px}header a,footer a{color:var(--teal);text-decoration:none}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:800;letter-spacing:.03em}.mark{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:var(--teal);color:white;font-size:21px}nav{display:flex;gap:20px;font-size:14px}main{padding-top:30px;padding-bottom:72px}.eyebrow{color:var(--teal);font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}h1{font-size:clamp(32px,6vw,50px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 20px}h2{font-size:21px;margin:0 0 12px}h3{font-size:16px;margin:22px 0 4px}p,li{font-size:15px}.lead{font-size:18px;color:var(--muted);max-width:670px}section{background:white;border:1px solid var(--line);border-radius:20px;padding:25px 28px;margin:20px 0;box-shadow:0 4px 20px rgba(26,60,52,.025)}ul{padding-left:1.4em}li+li{margin-top:7px}.button{display:inline-block;background:var(--teal);color:white;text-decoration:none;border-radius:12px;padding:12px 20px;font-weight:700}.note{font-size:13px;color:var(--muted)}footer{border-top:1px solid var(--line);display:flex;gap:18px;flex-wrap:wrap;padding-top:24px;padding-bottom:36px;font-size:13px;color:var(--muted)}@media(max-width:540px){header{align-items:flex-start;gap:12px;flex-direction:column}nav{gap:14px}section{padding:21px 20px}}