:root{color-scheme:light;font-family:system-ui,-apple-system,"Noto Sans JP",sans-serif;color:#1b304b;background:#faf7f0;line-height:1.8}*{box-sizing:border-box}body{margin:0}main{max-width:700px;margin:auto;padding:36px 24px 48px}.brand{margin:0;color:#203551;font-size:22px;font-weight:700}.brand span{margin-left:12px;font-size:12px;font-weight:400;color:#6a747e}h1{font-size:clamp(30px,7vw,42px);line-height:1.4;letter-spacing:.03em;margin:22px 0 14px}h2{font-size:21px;margin:0 0 16px}.intro{font-size:17px}.trial{padding:12px 16px;border-left:4px solid #ba879a;background:#f2e9eb;color:#695263;border-radius:6px;margin:22px 0}section{margin-top:24px;padding:24px;background:#fffdf9;border:1px solid #e4ddd5;border-radius:18px}ol,ul{padding-left:24px}li{margin:10px 0}a{color:#203f63;text-underline-offset:4px}.button{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 20px;margin:24px 0 10px;min-height:52px;border-radius:12px;background:#1b304b;color:#fff;text-decoration:none;font-weight:700}.address{margin:10px 0;overflow-wrap:anywhere}.note{font-size:14px;color:#68737d}.important{border-left:3px solid #ba879a;padding:8px 12px;background:#f6edf0;font-size:14px}details{margin-top:20px;padding-top:16px;border-top:1px solid #e4ddd5}summary{font-weight:600;cursor:pointer}footer{font-size:13px;margin-top:28px;color:#68737d}a:focus-visible,summary:focus-visible{outline:3px solid #ba879a;outline-offset:5px}@media(max-width:420px){main{padding:28px 18px 36px}section{padding:20px 18px}.button{padding:15px 16px}}