:root{--ink:#14181f;--sub:#3d4654;--line:#d3dedc;--bg:#ffffff;--tint:#eaf4f2;--brand:#0e6e66;--brand-ink:#ffffff;--deep:#0f4a48;--accent:#5fd0b5;--on-accent:#0f4a48}
@media (prefers-color-scheme: dark){:root{--ink:#eef1f5;--sub:#c3cad4;--line:#263735;--bg:#0d1615;--tint:#132321;--brand:#5fd0b5;--brand-ink:#0d1615;--deep:#0b302f;--accent:#5fd0b5;--on-accent:#0b302f}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo","Noto Sans JP",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:17px;line-height:1.75}
a{color:var(--brand)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:64px}
.mark{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--ink);text-decoration:none;letter-spacing:.01em}
.mark b{color:var(--brand)}
.lang{font-size:15px;color:var(--sub);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:4px 14px}
.hero{background:var(--deep);color:#fff}
.hero .wrap{padding-top:72px;padding-bottom:72px}
.badge{display:inline-block;background:var(--accent);color:var(--on-accent);font-weight:700;font-size:14px;border-radius:999px;padding:4px 14px;margin-bottom:20px}
h1{font-size:clamp(28px,5vw,46px);line-height:1.35;margin:0 0 20px;letter-spacing:.01em}
.lead{font-size:clamp(16px,2.2vw,19px);max-width:760px;margin:0 0 32px;color:#e3eaf2}
.btn{display:inline-block;background:var(--brand);color:var(--brand-ink);font-weight:700;text-decoration:none;border-radius:10px;padding:14px 26px;font-size:17px}
.hero .btn{background:#ffffff;color:#0f4a48}
.btn:focus-visible,.lang:focus-visible{outline:3px solid #ffbf47;outline-offset:3px}
section{padding:64px 0}
h2{font-size:clamp(22px,3.2vw,30px);margin:0 0 8px}
.sec-lead{color:var(--sub);margin:0 0 32px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{border:1px solid var(--line);border-radius:12px;padding:20px;background:var(--bg)}
.card svg{width:34px;height:34px;color:var(--brand);margin-bottom:10px}
.card h3{font-size:17px;margin:0 0 4px}
.card p{font-size:15px;color:var(--sub);margin:0;line-height:1.6}
.card h3,.card p{overflow-wrap:break-word}
.tint{background:var(--tint)}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat div{padding:4px 0}
.feat h3{font-size:18px;margin:0 0 6px}
.feat p{margin:0;color:var(--sub);font-size:16px}
.reg{border:2px solid var(--brand);border-radius:16px;padding:32px}
.reg-intro{margin-bottom:24px}
.reg-lead,.after{margin:0}
.feat-h{margin-bottom:24px}
.mark{color:var(--ink)}
form.f{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px}
.f .full{grid-column:1/-1}
.f label.t,.f legend{display:block;font-weight:700;font-size:16px;margin-bottom:6px;padding:0}
.f .tag{display:inline-block;font-size:13px;font-weight:700;border-radius:4px;padding:0 6px;margin-left:8px;vertical-align:1px;border:1px solid var(--sub);color:var(--sub)}
.f .tag.req{background:#b42318;border-color:#b42318;color:#fff}
.f input[type=email],.f input[type=text],.f select{width:100%;font:inherit;font-size:17px;color:var(--ink);background:var(--bg);border:1px solid #8a94a3;border-radius:8px;padding:10px 12px}
.f input:focus-visible,.f select:focus-visible{outline:3px solid #ffbf47;outline-offset:1px}
.f fieldset{border:0;margin:0;padding:0;min-width:0}
.f .opts{display:flex;flex-wrap:wrap;gap:6px 20px}
.f .opts label,.f .ck{display:flex;gap:8px;align-items:flex-start;font-size:16px;line-height:1.6;cursor:pointer}
.f input[type=checkbox],.f input[type=radio]{width:20px;height:20px;margin:3px 0 0;flex:none;accent-color:var(--brand)}
.f .consents{border-top:1px solid var(--line);padding-top:20px;display:grid;gap:12px}
.f .hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.f button,.act button{font:inherit;font-weight:700;font-size:17px;background:var(--brand);color:var(--brand-ink);border:0;border-radius:10px;padding:14px 32px;cursor:pointer}
.f button:focus-visible,.act button:focus-visible{outline:3px solid #ffbf47;outline-offset:3px}
.f button[disabled]{opacity:.6;cursor:wait}
.f .submit{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.cf-turnstile{min-height:65px}
.act{margin:24px 0}
.reg ul{margin:8px 0 0;padding-left:1.2em;color:var(--sub)}
.reg .note{font-size:14px;color:var(--sub);margin-top:12px}
footer{border-top:1px solid var(--line);padding:28px 0 40px;font-size:14px;color:var(--sub)}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
footer a{color:var(--sub)}
.doc{max-width:760px}
.doc h1{font-size:clamp(24px,4vw,32px);color:var(--ink)}
.doc h2{font-size:20px;margin:32px 0 8px}
.doc p,.doc li{color:var(--ink)}
.doc table{border-collapse:collapse;width:100%;font-size:15px}
.doc td,.doc th{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.small{font-size:14px;color:var(--sub)}
@media (max-width:860px){.grid{grid-template-columns:repeat(2,1fr)}.feat{grid-template-columns:1fr}.reg{padding:24px}form.f{grid-template-columns:1fr}}
@media (max-width:420px){body{font-size:16px}.grid{gap:12px}html[lang=en] .grid{grid-template-columns:1fr}.card{padding:16px}.card h3{font-size:16px}.card p{font-size:14px}.hero .wrap{padding-top:48px;padding-bottom:48px}}