:root{font-family:system-ui,-apple-system,'Noto Sans JP',sans-serif;color:#e8f1ec;background:#0b1412}*{box-sizing:border-box}body{margin:0}header{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid #30453e;background:#101d19}.brand{font-weight:800;color:#8ee0aa}.version,.hint{color:#a9b9b1}main{max-width:760px;margin:auto;padding:20px 14px 60px}.intro{padding:18px 8px 24px}.eyebrow{color:#81cea1;letter-spacing:.18em;font-size:12px;font-weight:800}h1{font-size:clamp(26px,6vw,40px);line-height:1.35;margin:10px 0}h2{font-size:18px;margin:0}.intro p{color:#b5c7bd}.card{background:#15221e;border:1px solid #30453c;border-radius:18px;padding:18px;margin:0 0 14px;box-shadow:0 8px 24px #0002}.row{display:flex;align-items:center;justify-content:space-between;gap:10px}.active{color:#85e9a9}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0}.metrics div{background:#0d1915;border-radius:12px;padding:12px 8px;text-align:center}.metrics span{display:block;color:#9cb6a8;font-size:12px}.metrics strong{display:block;font-size:clamp(16px,4vw,22px);margin-top:6px}.actions{display:flex;gap:8px;margin:10px 0}.actions button{flex:1;min-width:0}button{border:1px solid #496256;border-radius:11px;padding:14px 8px;font:inherit;font-weight:700;color:#eaf5ee;background:#25382e;cursor:pointer}.primary{background:#72d998;color:#103121;border:0}.danger{background:#62332c;border:0}button:disabled{opacity:.4;cursor:default}.secondary button{font-size:13px}.hint{font-size:12px;line-height:1.6}svg{width:100%;height:auto;border-radius:12px;margin-top:16px}a{color:#a4e7bb;font-size:12px}p{line-height:1.65}code{overflow-wrap:anywhere;color:#9ee7b6}@media(max-width:400px){.card{padding:14px}.secondary{flex-direction:column}}