:root{color-scheme:dark}body{margin:0;background:#070b08;color:#eaf4ed;font-family:Arial,"Noto Sans JP",sans-serif;line-height:1.7}.wrap{max-width:940px;margin:auto;padding:40px 24px 72px}.brand{color:#b6ff00;font-weight:700;text-decoration:none}.eyebrow{color:#b6ff00;font-size:.8rem;letter-spacing:.14em}.hero{padding:56px 0 36px;border-bottom:1px solid #294033}h1{font-size:clamp(2rem,6vw,4rem);line-height:1.1;margin:.4rem 0 1rem}h2{margin:2.4rem 0 .6rem;font-size:1.35rem}.card{border:1px solid #294033;background:#0b110d;padding:24px;margin-top:24px}.button{display:inline-block;margin-top:12px;padding:12px 20px;border:1px solid #b6ff00;background:#b6ff00;color:#071007;font-weight:700;text-decoration:none}.muted{color:#afc0b3}nav{display:flex;gap:18px;flex-wrap:wrap;padding:18px 0}nav a{color:#d8e5dc}footer{border-top:1px solid #294033;margin-top:48px;padding-top:20px;font-size:.9rem}.notice{border-left:3px solid #b6ff00;padding-left:14px}