:root{color-scheme:light;--ink:#173330;--muted:#5f716c;--line:#dce5df;--accent:#1b785d;--paper:#ffffff;--soft:#f3f7f3}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:3px solid #e6bd57;outline-offset:4px;border-radius:3px}
.container{width:min(1100px,calc(100% - 48px));margin-inline:auto}
.skip-link{position:absolute;left:16px;top:-80px;background:#fff;padding:12px;z-index:10}
.skip-link:focus{top:12px}
.site-header{background:#102725;color:white}
.header-inner{display:flex;min-height:82px;justify-content:space-between;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:8px;font-size:22px;font-weight:750;letter-spacing:-.05em}
.brand-mark{background:#c6efbd;color:#143d32;letter-spacing:-.09em;border-radius:7px;padding:3px 9px 4px;font-size:18px}
nav{display:flex;gap:26px;font-size:13px;color:#d9e8df;flex-wrap:wrap}
nav a:hover{color:#fff}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 72% 24%,#245d4b 0,#143c34 36%,#102725 78%);color:white}
.hero-inner{position:relative;z-index:1;padding:106px 0 112px}
.eyebrow{display:flex;align-items:center;gap:9px;color:#b2dac9;letter-spacing:.18em;font-size:11px;font-weight:700}
.eyebrow-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#b1ef9d}
h1{font-size:clamp(40px,5.6vw,74px);line-height:1.3;letter-spacing:-.045em;margin:22px 0 24px;font-weight:760}
h1 em{font-style:normal;color:#b8e9ac}
.hero-description{color:#e0e9e2;font-size:16px;line-height:2}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:12px 22px;min-height:48px;border-radius:6px;font-weight:700;font-size:14px}
.button-primary{background:#c3eca9;color:#14392b}
.button-primary:hover{background:#dcf7ca}
.button-secondary{border:1px solid #759487;color:#f0fff3}
.button-secondary:hover{background:#235045}
.hero-footnote{margin-top:24px;font-size:12px;color:#bad0c5}
.hero-ornament{position:absolute;width:520px;height:520px;right:-90px;top:15px;opacity:.35;pointer-events:none}
.orbit{position:absolute;border:1px solid #9cebbd;border-radius:50%;transform:rotate(-22deg)}
.orbit-one{inset:60px 10px}.orbit-two{inset:100px 50px}.orbit-three{inset:140px 90px}
.section{padding:82px 0}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:26px}
.section-kicker{font-size:11px;color:#1c8162;letter-spacing:.18em;font-weight:800;margin:0 0 8px}
h2{font-size:clamp(25px,3vw,37px);letter-spacing:-.04em;line-height:1.4;margin:0 0 10px}
h3{font-size:19px;letter-spacing:-.025em;margin:7px 0}
p{margin:0}
.muted{color:var(--muted);font-size:14px}
.count{min-width:100px;padding:10px 20px;background:var(--soft);border-radius:10px;text-align:center;display:flex;gap:9px;align-items:baseline;justify-content:center}
.count strong{font-size:28px;line-height:1.2;font-variant-numeric:tabular-nums}.count span{font-size:12px;color:var(--muted)}
.dataset-list{display:grid;gap:14px}
.dataset-card{border:1px solid var(--line);border-radius:12px;padding:25px 28px;background:#fff;display:grid;grid-template-columns:1fr auto;gap:15px;align-items:center}
.dataset-title{font-size:18px;font-weight:750;margin:0 0 7px}
.dataset-description{font-size:13px;color:var(--muted);line-height:1.8}
.dataset-meta{display:flex;align-items:center;gap:14px;margin-top:12px;font-size:12px;color:var(--muted);flex-wrap:wrap}
.status{font-size:12px;display:inline-block;background:#f0f3f1;border:1px solid #d8e2dc;color:#4c6960;padding:5px 11px;border-radius:100px;white-space:nowrap;font-weight:700}
.status-live{color:#176a4c;background:#e9f8ef;border-color:#bee4cb}
.dataset-link{color:#17694e;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.dataset-note{color:#6d7d76;font-size:12px;margin-top:18px}
.section-soft{background:var(--soft)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.feature{padding:28px 26px;background:#fff;border:1px solid var(--line);border-radius:10px}
.feature-index{font-size:12px;color:#2a946d;letter-spacing:.1em;font-weight:700}
.feature p{font-size:13px;color:var(--muted);line-height:1.9;margin-top:10px}
.footer{background:#102725;color:#bbd2c4;padding:32px 0;font-size:12px}
.footer-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
@media (max-width:750px){.container{width:min(100% - 32px,1100px)}.header-inner{padding:16px 0;align-items:flex-start;flex-direction:column;gap:14px}nav{gap:17px}.hero-inner{padding:78px 0 82px}.hero-ornament{right:-330px;opacity:.16}.desktop-only{display:none}.section{padding:58px 0}.section-heading{align-items:flex-start}.dataset-card{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr}.count{padding:9px 12px}.dataset-note{line-height:1.8}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}