/* ひまひまパーク 共通フローティングナビ */
.hhp-nav-btn{position:fixed;right:16px;bottom:16px;width:52px;height:52px;border-radius:50%;
background:linear-gradient(135deg,#30968a,#f3ec21);color:#fff;border:none;box-shadow:0 4px 12px rgba(0,0,0,.2);
font-size:22px;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:9999;}
.hhp-nav-panel{position:fixed;right:16px;bottom:78px;width:260px;max-width:80vw;max-height:70vh;overflow-y:auto;
background:#fff;border-radius:16px;box-shadow:0 8px 24px rgba(0,0,0,.18);padding:14px;z-index:9999;
display:none;font-family:'Zen Maru Gothic',sans-serif;}
.hhp-nav-panel.open{display:block;}
.hhp-nav-cats{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:10px;}
.hhp-nav-cats a{display:block;text-align:center;padding:8px 4px;border-radius:10px;background:#f8fcf8;
color:#333;text-decoration:none;font-size:12px;border:1px solid #eee;}
.hhp-nav-cats a.current{background:#2e7d32;color:#fff;border-color:#2e7d32;}
.hhp-nav-related-title{font-size:11px;color:#888;margin:8px 0 6px;border-top:1px solid #eee;padding-top:8px;}
.hhp-nav-related{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;}
.hhp-nav-related a{display:flex;flex-direction:column;align-items:center;gap:4px;text-decoration:none;
color:#333;font-size:10.5px;text-align:center;padding:6px 2px;border-radius:8px;}
.hhp-nav-related a:hover{background:#f8fcf8;}
.hhp-nav-related img{width:32px;height:32px;image-rendering:pixelated;}