:root{--green-deep:#2f5d3a;--green:#3e7a4d;--green-soft:#eaf3ec;--ink:#25312a;--ink-soft:#5b6b60;--bg:#fbfcfa;--line:#dfe7e1;--radius:10px}*{box-sizing:border-box}body{margin:0;font-family:hiragino kaku gothic pron,hiragino sans,biz udpgothic,Meiryo,system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.8}a{color:var(--green-deep)}.container{max-width:880px;margin:0 auto;padding:0 1.25rem}.container-narrow{max-width:720px}.site-header{border-bottom:1px solid var(--line);background:#fff}.header-inner{display:flex;align-items:center;justify-content:space-between;padding-top:.9rem;padding-bottom:.9rem}.site-logo{font-size:1.25rem;font-weight:700;text-decoration:none;color:var(--ink)}.logo-accent{color:var(--green)}.site-nav a{margin-left:1.1rem;text-decoration:none;color:var(--ink-soft);font-size:.95rem}.site-nav a:hover{color:var(--green-deep)}.hero{background:linear-gradient(180deg,var(--green-soft),var(--bg));text-align:center;padding:4.5rem 0 3.5rem}.hero-kicker{margin:0;color:var(--green);font-weight:600;letter-spacing:.1em}.hero-title{margin:.3rem 0 1rem;font-size:clamp(2.4rem,6vw,3.6rem);line-height:1.2}.hero-lead{margin:0 auto;max-width:34em;color:var(--ink-soft)}.hero-actions{margin-top:2rem}.btn{display:inline-block;padding:.7rem 1.4rem;margin:.25rem;border-radius:999px;text-decoration:none;font-weight:600}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--green-deep)}.btn-ghost{border:1.5px solid var(--green);color:var(--green-deep)}.section{padding:3rem 0}.section-alt{background:var(--green-soft)}h1,h2,h3{line-height:1.4}h2{margin-top:2.2rem;border-bottom:2px solid var(--green-soft);padding-bottom:.3rem}.section-alt h2{border-color:#fff}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;padding:0;margin:1.5rem 0;list-style:none}.features li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem 1.3rem}.features li strong{display:block;color:var(--green-deep);margin-bottom:.3rem}.event-list{list-style:none;padding:0;margin:1rem 0}.event-card{margin-bottom:.8rem}.event-card a{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.3rem;text-decoration:none;color:var(--ink);transition:border-color .15s}.event-card a:hover{border-color:var(--green)}.event-card time{display:block;font-size:.85rem;color:var(--green-deep);font-weight:600}.event-card-title{display:block;font-weight:700;margin:.15rem 0}.event-card-venue{display:block;font-size:.85rem;color:var(--ink-soft)}.event-meta{background:var(--green-soft);border-radius:var(--radius);padding:1rem 1.3rem;margin:1.2rem 0}.event-meta div{display:flex;gap:1em}.event-meta dt{flex:0 0 5em;color:var(--green-deep);font-weight:600}.event-meta dd{margin:0}.site-footer{border-top:1px solid var(--line);margin-top:3rem;padding:2rem 0;text-align:center;color:var(--ink-soft);font-size:.9rem}@media(max-width:600px){.header-inner{flex-direction:column;gap:.5rem}.site-nav a{margin:0 .55rem}}