/* ============================================================
   CooBase — 機能一覧 (Features) page
   ============================================================ */

/* ===== pillar tokens ===== */
:root{
  --p-ai:     #6d4fd6;  --p-ai-bg:#f1edfc;
  --p-vis:    #1394a6;  --p-vis-bg:#e4f6f8;
  --p-dev:    #1f9d6b;  --p-dev-bg:#e7f6ef;
  --p-health: #e0506b;  --p-health-bg:#fcebef;
  --plugin:   #d8932a;  --plugin-bg:#fbf1dd;
}

/* ===== FEATURE HERO ===== */
#feat-hero{
  position:relative;padding:152px 0 64px;overflow:hidden;
  background:
    radial-gradient(1000px 520px at 82% -10%, #e7f3ff 0%, rgba(231,243,255,0) 58%),
    radial-gradient(760px 460px at 2% 110%, #eef6ff 0%, rgba(238,246,255,0) 55%),
    var(--paper);
}
.fh-inner{max-width:880px;}
#feat-hero .crumbs{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ink-3);margin-bottom:20px;}
#feat-hero .crumbs a{color:var(--brand);}
#feat-hero .crumbs svg{width:14px;height:14px;}
#feat-hero h1{
  font-family:"Zen Kaku Gothic New";font-weight:900;
  font-size:clamp(32px,5vw,56px);line-height:1.32;letter-spacing:-.01em;color:var(--ink);text-wrap:balance;
}
#feat-hero h1 .grad-text{display:inline;}
#feat-hero .lead{margin-top:22px;font-size:clamp(16px,1.5vw,18.5px);line-height:2;color:var(--ink-2);max-width:680px;text-wrap:pretty;}
.fh-meta{margin-top:30px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.fh-count{display:inline-flex;align-items:baseline;gap:6px;font-family:"Zen Kaku Gothic New";font-weight:900;color:var(--brand-deep);}
.fh-count b{font-size:34px;line-height:1;}
.fh-count span{font-size:14px;}
.fh-meta .div{width:1px;height:26px;background:var(--line);}
.fh-meta .note{font-size:13px;color:var(--ink-3);}

/* ===== PILLAR LEGEND ===== */
.pillar-legend{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px;}
.pl-item{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:11px 16px;box-shadow:var(--shadow-sm);}
.pl-item .sw{width:11px;height:11px;border-radius:4px;flex:none;}
.pl-item b{font-family:"Zen Kaku Gothic New";font-weight:700;font-size:13.5px;color:var(--ink);}
.pl-item span{font-size:11.5px;color:var(--ink-3);}

/* ===== FILTER BAR (sticky) ===== */
.filter-wrap{position:sticky;top:64px;z-index:40;background:rgba(245,248,252,.86);backdrop-filter:saturate(1.3) blur(12px);border-bottom:1px solid var(--line-2);padding:16px 0;}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.filter-bar .fb-label{font-size:12.5px;font-weight:700;color:var(--ink-3);margin-right:4px;}
.fbtn{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  font-family:"Zen Kaku Gothic New";font-weight:700;font-size:13.5px;color:var(--ink-2);
  background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:9px 17px;
  transition:transform .2s, box-shadow .2s, border-color .2s, background .2s, color .2s;
}
.fbtn .dot{width:9px;height:9px;border-radius:50%;flex:none;}
.fbtn .cnt{font-size:11px;font-weight:700;color:var(--ink-3);background:var(--bg);border-radius:999px;padding:2px 8px;transition:color .2s, background .2s;}
.fbtn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:#c9d7ee;}
.fbtn.active{color:#fff;border-color:transparent;background:var(--brand);}
.fbtn.active .cnt{color:#fff;background:rgba(255,255,255,.22);}
.fbtn[data-f="ai"].active{background:var(--p-ai);}
.fbtn[data-f="vis"].active{background:var(--p-vis);}
.fbtn[data-f="dev"].active{background:var(--p-dev);}
.fbtn[data-f="health"].active{background:var(--p-health);}
.fbtn[data-f="plugin"].active{background:var(--plugin);}

/* ===== FEATURE GRID (masonry via columns) ===== */
#features{background:var(--bg);padding:48px 0 96px;}
.feat-grid{column-count:3;column-gap:24px;}
@media(max-width:1100px){.feat-grid{column-count:2;}}
@media(max-width:720px){.feat-grid{column-count:1;}}

.feat-card{
  break-inside:avoid;-webkit-column-break-inside:avoid;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 26px 24px;margin-bottom:24px;box-shadow:var(--shadow-sm);
  transition:transform .28s, box-shadow .28s, border-color .28s;position:relative;
}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d4e0f2;}
.feat-card.is-hidden{display:none;}

.fc-top{display:flex;align-items:flex-start;gap:14px;margin-bottom:14px;}
.fc-ico{width:50px;height:50px;border-radius:14px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center;flex:none;color:var(--brand);}
.fc-ico svg{width:25px;height:25px;}
.fc-head{flex:1;min-width:0;}
.fc-num{font-family:"Zen Kaku Gothic New";font-weight:900;font-size:12px;letter-spacing:.1em;color:#bccbe4;}
.fc-title{font-family:"Zen Kaku Gothic New";font-weight:900;font-size:18.5px;line-height:1.4;color:var(--ink);margin-top:2px;text-wrap:balance;}
.fc-plugin{position:absolute;top:20px;right:22px;font-size:10.5px;font-weight:700;color:var(--plugin);background:var(--plugin-bg);border:1px solid #e9d6a6;border-radius:999px;padding:4px 10px;display:inline-flex;align-items:center;gap:5px;}
.fc-plugin svg{width:11px;height:11px;}

.fc-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px;}
.fc-tag{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;border-radius:999px;padding:5px 11px;line-height:1;}
.fc-tag .dot{width:7px;height:7px;border-radius:50%;flex:none;}
.fc-tag[data-t="ai"]{color:var(--p-ai);background:var(--p-ai-bg);}
.fc-tag[data-t="ai"] .dot{background:var(--p-ai);}
.fc-tag[data-t="vis"]{color:var(--p-vis);background:var(--p-vis-bg);}
.fc-tag[data-t="vis"] .dot{background:var(--p-vis);}
.fc-tag[data-t="dev"]{color:var(--p-dev);background:var(--p-dev-bg);}
.fc-tag[data-t="dev"] .dot{background:var(--p-dev);}
.fc-tag[data-t="health"]{color:var(--p-health);background:var(--p-health-bg);}
.fc-tag[data-t="health"] .dot{background:var(--p-health);}

.fc-group{margin-top:16px;}
.fc-group:first-of-type{margin-top:0;}
.fc-glabel{display:flex;align-items:center;gap:9px;font-family:"Zen Kaku Gothic New";font-weight:700;font-size:13.5px;color:var(--brand-deep);margin-bottom:9px;}
.fc-glabel::before{content:"";width:4px;height:15px;border-radius:3px;background:var(--grad);flex:none;}
.fc-glabel .new{font-size:9.5px;font-weight:900;letter-spacing:.06em;color:#fff;background:var(--alert);border-radius:5px;padding:2px 6px;}
.fc-list{list-style:none;display:flex;flex-direction:column;gap:7px;padding-left:2px;}
.fc-list li{display:flex;gap:9px;font-size:13px;color:var(--ink-2);line-height:1.6;}
.fc-list li svg{width:15px;height:15px;color:var(--brand);flex:none;margin-top:3px;}
.fc-list li b{color:var(--ink);font-weight:700;}
.fc-list li .sub{color:var(--ink-3);font-size:12px;}

.no-result{display:none;text-align:center;padding:60px 20px;color:var(--ink-3);font-size:15px;}
.no-result.show{display:block;}

/* ===== CTA BAND ===== */
#feat-cta{background:var(--grad);color:#fff;text-align:center;padding:80px 0;overflow:hidden;position:relative;}
#feat-cta::before{content:"";position:absolute;width:480px;height:480px;border-radius:50%;background:rgba(255,255,255,.08);top:-200px;right:-120px;}
#feat-cta .inner{position:relative;z-index:1;}
#feat-cta h2{font-family:"Zen Kaku Gothic New";font-weight:900;font-size:clamp(24px,3.2vw,38px);line-height:1.5;text-wrap:balance;}
#feat-cta p{margin-top:18px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.9);max-width:560px;margin-left:auto;margin-right:auto;}
#feat-cta .ctas{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

@media(max-width:860px){
  #feat-hero{padding:120px 0 52px;}
  .filter-wrap{top:0;}
  #features{padding:32px 0 72px;}
}