:root{font-family:system-ui,-apple-system,"Noto Sans JP",sans-serif;color:#18312d;background:#f7f8f5}*{box-sizing:border-box}body{margin:0}main{max-width:780px;margin:48px auto;padding:40px;background:white;border:1px solid #dce4dc;border-radius:16px}h1{font-size:clamp(1.6rem,5vw,2.35rem);line-height:1.4;margin:0 0 24px}h2{font-size:1.15rem;line-height:1.5;margin-top:36px}p{font-size:1rem;line-height:1.9}a{color:#175f58;text-underline-offset:4px}.eyebrow{font-size:.75rem;letter-spacing:.13em;color:#526e66}.lead{font-size:1.15rem}.notice{padding:14px 18px;background:#f0f5ef;border-left:3px solid #7a9b6d}footer{margin-top:40px;padding-top:24px;border-top:1px solid #dce4dc;line-height:1.9;color:#4b615b}@media(max-width:600px){main{margin:16px 12px;padding:24px 20px;border-radius:12px}}