:root{--ink:#11251f;--green:#087a5b;--sand:#f4efe4;--line:#d9e1dc;--muted:#5d6e67}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;line-height:1.85}header{height:68px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100% - 920px)/2));position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(12px)}header a{text-decoration:none;font-weight:900}.cta{display:inline-block;background:var(--green);color:#fff!important;border-radius:999px;padding:9px 18px;text-decoration:none;font-weight:900}main{width:min(calc(100% - 36px),840px);margin:clamp(54px,8vw,92px) auto}h1{font-size:clamp(2.2rem,6vw,4.6rem);line-height:1.12;letter-spacing:-.05em;margin:.2em 0}.tag{color:var(--green);font-weight:900;font-size:12px;letter-spacing:.12em}.lead{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--muted);margin-bottom:54px}h2{font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.3;margin-top:2.2em}strong{font-weight:900}.box{background:var(--sand);border-radius:20px;padding:24px;margin:32px 0}.box p:last-child{margin-bottom:0}table{border-collapse:collapse;width:100%;margin:24px 0}th,td{text-align:left;border-bottom:1px solid var(--line);padding:12px}th{background:#edf8f4}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stats div{border:1px solid var(--line);border-radius:16px;padding:18px}.stats b{font-size:clamp(1.6rem,4vw,2.6rem);display:block;color:var(--green);line-height:1.2}.stats span{font-size:12px;color:var(--muted)}footer{background:var(--ink);color:#fff;text-align:center;padding:36px;font-size:12px}@media(max-width:620px){.stats{grid-template-columns:1fr}table{font-size:13px;display:block;overflow-x:auto}header .cta{padding:7px 12px}}