*{box-sizing:border-box;margin:0;padding:0}
:root{--blue:#2563EB;--blue-dark:#1D4ED8;--green:#16A34A;--green-bg:#F0FDF4;--text:#0F172A;--text2:#475569;--text3:#94A3B8;--bg:#FAFAFA;--bg2:#F1F5F9;--border:#E2E8F0;--radius:12px;--indigo:#4F46E5;--indigo-bg:#EEF2FF;}
body{font-family:'Hiragino Sans','Yu Gothic',sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
.nav{background:#fff;border-bottom:1px solid var(--border);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}
.nav-brand{font-size:16px;font-weight:700;color:var(--text);text-decoration:none}
.nav-brand span{color:var(--blue)}
.nav-back{font-size:13px;color:var(--blue);text-decoration:none}
.hero{background:linear-gradient(135deg,#EEF2FF 0%,#E0E7FF 100%);padding:52px 24px 44px;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid #C7D2FE;border-radius:100px;padding:5px 14px;font-size:12px;color:var(--indigo);font-weight:600;margin-bottom:16px}
.hero h1{font-size:clamp(22px,5vw,30px);font-weight:800;color:var(--text);line-height:1.4;margin-bottom:14px}
.hero p{font-size:14px;color:var(--text2);max-width:560px;margin:0 auto;line-height:1.85}
.main{max-width:720px;margin:0 auto;padding:36px 18px 48px}
.main h2{font-size:19px;font-weight:800;color:var(--text);margin:36px 0 12px;line-height:1.45;padding-bottom:8px;border-bottom:2px solid #C7D2FE}
.main h3{font-size:15px;font-weight:700;color:var(--text);margin:20px 0 8px}
.main p{font-size:14px;color:var(--text2);line-height:1.95;margin-bottom:13px}
.main ul,.main ol{margin:0 0 14px 0;padding-left:22px}
.main li{font-size:14px;color:var(--text2);line-height:1.9;margin-bottom:7px}
.lead{font-size:15px;color:var(--text);line-height:2;margin-bottom:18px}
.callout{background:var(--indigo-bg);border:1px solid #C7D2FE;border-radius:10px;padding:16px 18px;margin:16px 0;font-size:13.5px;color:#3730A3;line-height:1.85}
.status-box{background:#FFF7ED;border:1px solid #FED7AA;border-radius:10px;padding:16px 18px;margin:16px 0;font-size:13.5px;color:#9A3412;line-height:1.85}
.link-grid{display:flex;flex-direction:column;gap:8px;margin:14px 0 18px}
.link-card{display:block;border:1px solid var(--border);border-radius:12px;padding:14px 16px;text-decoration:none;background:#fff}
.link-card-title{font-size:14px;font-weight:700;color:var(--text)}
.link-card-sub{font-size:12.5px;color:var(--text2);display:block;margin-top:3px}
.embed-box{background:#0F172A;border-radius:12px;padding:16px 18px;margin:14px 0;overflow-x:auto}
.embed-box code{color:#E2E8F0;font-size:12px;line-height:1.7;white-space:pre;font-family:'SF Mono',Menlo,Consolas,monospace}
.banto{background:#F8FAFC;border:1px solid var(--border);border-left:3px solid #4F46E5;border-radius:12px;padding:20px 22px;margin:24px 0}
.banto-eyebrow{font-size:11px;font-weight:700;color:#4F46E5;letter-spacing:.04em;margin-bottom:6px}
.banto-title{font-size:15px;font-weight:700;color:#0F172A;margin-bottom:8px}
.banto-body{font-size:13px;color:#475569;line-height:1.85;margin-bottom:14px}
.banto-btn{display:inline-block;background:#4F46E5;color:#fff;text-decoration:none;padding:12px 22px;border-radius:10px;font-size:14px;font-weight:600}
.faq-item{border:1px solid var(--border);border-radius:10px;padding:16px 18px;margin-bottom:10px;background:#fff}
.faq-q{font-size:14px;font-weight:700;color:var(--text);margin-bottom:8px}
.faq-a{font-size:13.5px;color:var(--text2);line-height:1.85}
.note{font-size:12px;color:var(--text3);line-height:1.8;margin-top:8px}
.footer{text-align:center;padding:24px;font-size:11px;color:var(--text3);border-top:1px solid var(--border)}
.footer a{color:var(--text3)}
a:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:2px}