/* ---- Minimal design system ---- */
:root{
  --bg:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --border:#e5e7eb;
  --surface:#ffffff;
  --shadow:0 8px 20px rgba(17,24,39,.06);
  --brand:#16a34a;
  --brand-700:#15803d;
  --brand-50:#ecfdf5;
  --container: 1120px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"Noto Sans JP",system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(6px);background:rgba(255,255,255,.9);border-bottom:1px solid var(--border)}
.header__inner{height:64px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px}
.logo-badge{width:36px;height:36px;border-radius:8px;background:var(--brand);display:grid;place-items:center;color:#fff;font-weight:700}
.nav{display:none;gap:32px}
@media(min-width:768px){.nav{display:flex}}
.nav a{font-size:14px}
.nav a:hover{color:var(--brand)}
.btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 16px;border-radius:8px;border:1px solid transparent;font-size:14px;font-weight:600;transition:.2s}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{background:var(--brand-700)}
.btn--outline{border-color:var(--brand);color:var(--brand)}
.btn--outline:hover{background:#f0fdf4}
.section{padding:80px 0}
.section--muted{background:#f9fafb}
.section__title{margin:0 0 8px;font-size:clamp(24px,3vw,40px);line-height:1.2;color:var(--brand-700);font-weight:800}
/*.section__subtitle{margin:0 auto 40px;color:var(--muted);max-width:720px}*/
.hero{padding:96px 0;background:radial-gradient(1000px 420px at 80% -10%,var(--brand-50),transparent),radial-gradient(900px 360px at 0% 110%,#f7fdf9,transparent)}
.hero h1{margin:0 0 16px;font-size:clamp(32px,5vw,56px);line-height:1.15;color:var(--brand-700);font-weight:900}
.hero p{color:#4b5563;/*max-width:720px;*/margin:0 auto}
.hero__actions{margin-top:24px;display:flex;flex-direction:column;gap:12px;align-items:center;justify-content:center}
@media(min-width:640px){.hero__actions{flex-direction:row}}
.grid{display:grid;gap:24px}
@media(min-width:960px){.grid--2{grid-template-columns:3fr 2fr}.grid--5{grid-template-columns:2fr 3fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:24px; margin-bottom: 2em;}
.card h3{margin:0 0 8px;font-size:20px;color:var(--brand-700)}
.list{list-style:none;padding:0;margin:0 0 2em;}
.list li{padding:10px 0;border-bottom:1px solid var(--border)}
.input,.textarea{width:100%;border:1px solid #d1d5db;border-radius:8px;padding:12px;font-size:14px;outline:none;transition:.2s; margin-bottom: 2em;}
.input:focus,.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,163,74,.15)}
.textarea{min-height:140px;resize:vertical}
.footer{border-top:1px solid var(--border);padding:40px 0}
.footer__inner{display:flex;flex-direction:column;gap:16px;align-items:center;justify-content:space-between}
@media(min-width:780px){.footer__inner{flex-direction:row}}
.articles{display:grid;gap:16px}
.article{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px}
.article time{color:#6b7280;font-size:12px}
.article h3{margin:4px 0;color:#111827;font-size:16px}
.article p{margin:6px 0 0;color:#6b7280;font-size:14px}
.kv-list{display:grid;gap:12px}
@media(min-width:600px){.kv-list{grid-template-columns:1fr 1fr}}
.kv-item{border:1px solid var(--border);border-radius:12px;padding:14px}
.kv-item dt{color:#6b7280;font-size:12px;margin:0}
.kv-item dd{margin:6px 0 0;font-weight:600}
.map-wrap iframe {width:100%; height:300px; border:none;}
@media(max-width:640px){.map-wrap iframe {height:50vh;}}