:root{--ink:#0e1b3d;--sub:#5a6788;--bg:#f6f8fc;--card:#fff;--ln:#dfe5f1;--ac:#0a7cff;--ac2:#00c2a8;--warn:#b4232c}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.9 -apple-system,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",sans-serif;-webkit-font-smoothing:antialiased}
.w{max-width:1040px;margin:0 auto;padding:0 20px}
.draft{background:#fff4d6;color:#6b4e00;font-size:13px;text-align:center;padding:8px 12px;border-bottom:1px solid #f0d98a}
.top{display:flex;justify-content:space-between;align-items:center;padding:18px 0}
.logo{font-weight:800;letter-spacing:.04em}.logo small{display:block;font:600 10px/1 ui-monospace,Menlo,monospace;letter-spacing:.25em;color:var(--sub);margin-top:4px}
.hero{padding:56px 0 72px;background:radial-gradient(900px 420px at 85% -10%,#cfe6ff 0,transparent 60%),radial-gradient(700px 360px at 0% 10%,#c9f5ec 0,transparent 55%)}
.badge{display:inline-block;font:700 12px/1 ui-monospace,Menlo,monospace;letter-spacing:.12em;background:var(--ink);color:#fff;padding:7px 12px;border-radius:99px}
h1{font-size:clamp(30px,6vw,56px);line-height:1.2;margin:20px 0 14px;letter-spacing:.01em}
h1 em{font-style:normal;background:linear-gradient(90deg,var(--ac),var(--ac2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:18px;color:#2b3a63;max-width:680px}
.cta{display:inline-block;margin-top:22px;padding:14px 26px;border-radius:12px;background:var(--ink);color:#fff;font-weight:700;text-decoration:none}
.cta.off{background:#c9d1e4;color:#5a6788;cursor:not-allowed}
section{padding:60px 0}
h2{font-size:28px;margin:0 0 6px}.eyebrow{font:700 12px ui-monospace,Menlo,monospace;letter-spacing:.2em;color:var(--ac);display:block;margin-bottom:8px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
@media(max-width:820px){.grid3{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--ln);border-radius:16px;padding:22px}
.card b{display:block;font-size:18px;margin-bottom:4px}.card .n{font:800 28px/1 ui-monospace,Menlo,monospace;color:var(--ac)}
.tw{overflow-x:auto;margin-top:18px}
table{border-collapse:collapse;width:100%;min-width:640px;background:var(--card);border:1px solid var(--ln);border-radius:12px;overflow:hidden;font-size:14px}
th,td{padding:12px 14px;border-bottom:1px solid var(--ln);text-align:left;vertical-align:top}
th{background:#eef3fb;color:#34456f}
tr.me td{background:#eafaf6}
.note{color:var(--sub);font-size:13px}
.steps{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.steps li{background:var(--card);border:1px solid var(--ln);border-radius:14px;padding:16px 18px;display:grid;grid-template-columns:120px 1fr;gap:14px}
.steps b{font-family:ui-monospace,Menlo,monospace;color:var(--ac)}
@media(max-width:560px){.steps li{grid-template-columns:1fr;gap:2px}}
.disc{background:#fff;border:1px solid var(--ln);border-left:4px solid var(--ac2);border-radius:10px;padding:18px 20px}
footer{padding:36px 0 64px;color:var(--sub);font-size:13px;border-top:1px solid var(--ln)}

.gn{display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-size:14px}.gn a{color:var(--ink);text-decoration:none;font-weight:600}.gn a:hover{color:var(--ac)}
.gn .gb{background:var(--ac);color:#fff;padding:8px 14px;border-radius:999px}
.cta.ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.wgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin-top:14px}
.wc{display:block;background:var(--bg);border:1px solid var(--ln);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--ink);line-height:1.6}
.wc b{display:block}.wc span{font-size:13px;color:var(--sub)}.wc:hover{border-color:var(--ac)}