:root{
  --bg:#ffffff;--surface:#f6f7fb;--ink:#0f1729;--muted:#5b6576;--line:#e6e9f0;
  --brand:#5b53e8;--brand2:#7c3aed;--radius:18px;--shadow:0 18px 50px -22px rgba(20,26,60,.28);
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0c0f17;--surface:#141824;--ink:#eef1f7;--muted:#9aa4b6;--line:#222838;--shadow:0 18px 50px -22px rgba(0,0,0,.6)}
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,"Noto Sans JP",system-ui,"Segoe UI",Roboto,sans-serif;line-height:1.75}
a{color:var(--brand)}
.wrap{max-width:600px;margin:0 auto;padding:30px 20px 76px}
.brandbar{display:flex;align-items:center;gap:9px;font-weight:800;font-size:17px;margin-bottom:8px}
.brandbar .dot{width:20px;height:20px;border-radius:6px;background:linear-gradient(135deg,var(--brand),var(--brand2))}
h1{font-size:26px;margin:6px 0 4px;letter-spacing:-.01em}
.sub{color:var(--muted);font-size:14px;margin:0 0 22px}
h2{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:30px 0 10px}
h3{font-size:16px;margin:18px 0 6px}
p{font-size:14.5px;line-height:1.75;color:var(--ink)}
.card{padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);margin:14px 0}
.card.warn{border-color:#e6b98a;background:#fff8f0;color:#6b4a25}
@media(prefers-color-scheme:dark){.card.warn{background:#241a10;border-color:#5a3f2a;color:#e7c69f}}
.btn{display:block;text-align:center;text-decoration:none;font-weight:700;padding:15px;border-radius:9999px;margin:16px 0 0;font-size:16px;border:0;width:100%;cursor:pointer}
.btn.disabled{opacity:.45;pointer-events:none}
.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
.ghost{background:transparent;color:var(--brand);border:1px solid var(--line)}
.price{font-size:32px;font-weight:800;margin:2px 0}
.price small{font-size:14px;color:var(--muted);font-weight:400}
ul,ol{padding-left:20px;margin:8px 0}
li{font-size:14.5px;line-height:1.7;margin:7px 0}
code{background:color-mix(in srgb,var(--muted) 16%,transparent);padding:2px 6px;border-radius:6px;font-size:12.5px;word-break:break-all}
label.chk{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin:14px 0 4px;cursor:pointer}
label.chk input{margin-top:3px;width:18px;height:18px;flex:none}
.muted{color:var(--muted);font-size:12.5px;line-height:1.6}
.foot{margin-top:36px;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.foot a{color:var(--muted);margin-right:14px;display:inline-block}
.legal h1{font-size:22px}.legal h2{font-size:15px;color:var(--ink);text-transform:none;letter-spacing:0;margin:22px 0 6px}
.legal{max-width:700px}
.steps-num{list-style:none;padding:0;counter-reset:s}
.steps-num li{counter-increment:s;position:relative;padding:2px 0 2px 40px;margin:14px 0}
.steps-num li::before{content:counter(s);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:9999px;
  background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px}

/* ---- language switch (shared by the funnel pages) -------------------------- */
/* Only the active language's copy is shown; the head script sets data-lang from a
   saved choice, else from the browser. */
html[data-lang="ja"] .en{display:none !important}
html[data-lang="en"] .ja{display:none !important}
.langbar{display:flex;justify-content:flex-end;margin:-6px 0 10px}
.langsw{background:transparent;border:1px solid var(--line);color:var(--muted);font-weight:700;font-size:12.5px;
  padding:6px 12px;border-radius:9999px;cursor:pointer;font-family:inherit}
.langsw:hover{color:var(--ink)}