:root{
  --green:#2e7d32; --green-d:#1b5e20; --bg:#f7f8f6; --card:#fff;
  --text:#222; --muted:#667; --line:#e2e5e0; --chip:#eef3ec;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;
  color:var(--text);background:var(--bg);line-height:1.6;-webkit-text-size-adjust:100%}
a{color:var(--green-d);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
h1{font-size:1.5rem;margin:.6em 0}
h2{font-size:1.2rem;margin:1.2em 0 .5em}
h3{font-size:1.05rem;margin:0 0 .3em}

/* header */
.site-header{position:sticky;top:0;z-index:1000;display:flex;align-items:center;gap:.5rem;
  padding:.5rem .8rem;background:var(--green);color:#fff}
.site-header a{color:#fff}
.brand{font-weight:700;font-size:1.1rem;white-space:nowrap}
.header-search{flex:1;display:flex;min-width:0}
.header-search input{flex:1;min-width:0;border:0;border-radius:6px 0 0 6px;padding:.45rem .6rem;font-size:1rem}
.header-search button{border:0;border-radius:0 6px 6px 0;background:var(--green-d);color:#fff;padding:0 .7rem}
.header-nav a{padding:.3rem .5rem}

.site-main{max-width:960px;margin:0 auto;padding:1rem .8rem 2rem}

/* hero */
.hero{text-align:center;padding:1.4rem .5rem}
.hero h1{font-size:1.6rem}
.hero p{color:var(--muted)}
.hero-search{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin:1rem 0}
.hero-search input,.hero-search select{padding:.55rem .6rem;border:1px solid var(--line);border-radius:8px;font-size:1rem}
.hero-search input{flex:1;min-width:200px}
.hero-search button,.filter-form button{background:var(--green);color:#fff;border:0;border-radius:8px;padding:.55rem 1.1rem;font-size:1rem;cursor:pointer}
.btn-map{display:inline-block;margin-top:.4rem;padding:.5rem 1rem;border:1px solid var(--green);border-radius:8px}

/* cards */
.card-grid{display:grid;grid-template-columns:1fr;gap:.8rem}
@media(min-width:560px){.card-grid{grid-template-columns:1fr 1fr}}
.camp-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;color:var(--text)}
.camp-card:hover{text-decoration:none;box-shadow:0 2px 10px rgba(0,0,0,.08)}
.camp-thumb{width:100%;height:150px;object-fit:cover}
.camp-card-body{padding:.7rem .8rem}
.camp-meta{display:flex;gap:.6rem;align-items:center;font-size:.85rem;color:var(--muted);margin-bottom:.3rem}
.rating{color:#e08600;font-weight:600}
.desc{font-size:.9rem;color:#444;margin:.3rem 0}
.chips{display:flex;flex-wrap:wrap;gap:.3rem;margin-top:.4rem}
.chip{background:var(--chip);color:var(--green-d);border-radius:999px;padding:.1rem .55rem;font-size:.78rem}

/* filters / search */
.filter-form{display:flex;flex-wrap:wrap;gap:.5rem;margin:.6rem 0}
.filter-form input,.filter-form select{padding:.5rem;border:1px solid var(--line);border-radius:8px;font-size:1rem}
.filter-form input[type=search]{flex:1;min-width:160px}
.result-count{color:var(--muted);font-size:.9rem}
.empty{color:var(--muted);padding:1rem 0}

/* prefecture links */
.pref-links{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:.4rem}
.pref-links a{display:flex;justify-content:space-between;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:.5rem .7rem}
.pref-links span{color:var(--muted);font-size:.85rem}

/* breadcrumb / flash */
.breadcrumb{font-size:.85rem;color:var(--muted);margin:.2rem 0 .6rem}
.flash{background:#e7f5e9;border:1px solid var(--green);border-radius:8px;padding:.6rem .8rem;margin:.5rem 0}

/* detail */
.detail-img{width:100%;max-height:340px;object-fit:cover;border-radius:12px;margin:.5rem 0}
.detail .info{display:grid;grid-template-columns:auto 1fr;gap:.25rem .8rem;margin:.8rem 0}
.detail .info dt{color:var(--muted);font-size:.9rem}
.detail .info dd{margin:0}
.detail-map{height:280px;border-radius:12px;margin:.8rem 0;background:#dde}
.attribution{font-size:.78rem;color:var(--muted)}

/* suggest form */
.suggest{margin:1rem 0;border:1px solid var(--line);border-radius:10px;background:var(--card);padding:.3rem .8rem}
.suggest summary{cursor:pointer;padding:.5rem 0;color:var(--green-d)}
.suggest-form{display:flex;flex-direction:column;gap:.5rem;padding:.4rem 0 .8rem}
.suggest-form label{display:flex;flex-direction:column;font-size:.85rem;color:var(--muted);gap:.2rem}
.suggest-form input,.suggest-form textarea{padding:.5rem;border:1px solid var(--line);border-radius:8px;font-size:1rem;color:var(--text)}
.suggest-form button{align-self:flex-start;background:var(--green);color:#fff;border:0;border-radius:8px;padding:.5rem 1.2rem;cursor:pointer}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* full map */
#map-full{height:calc(100vh - 120px);border-radius:8px}

/* pagination */
.pagination{display:flex;align-items:center;justify-content:center;gap:1rem;margin:1.2rem 0}
.page-status{color:var(--muted)}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:1rem .8rem 2rem;color:var(--muted);font-size:.8rem;text-align:center}
.site-footer .sources{font-size:.75rem}
.notfound{text-align:center;padding:2rem 0}