:root{
  --bg:#f7f7f8;        /* アプリ背景 */
  --bg2:#ffffff;       /* 入力欄など */
  --card:#ffffff;
  --card2:#f1f1f4;     /* 副次・ホバー */
  --line:#e7e7ec;      /* 罫線 */
  --line2:#efeff2;
  --txt:#1f2024;       /* 本文 */
  --muted:#6b7280;     /* 補助文字 */
  --faint:#9ca3af;
  --accent:#4f46e5;    /* インディゴ */
  --accent-soft:#eef2ff;
  --accent2:#7c3aed;
  --good:#16a34a;
  --warn:#d97706;
  --danger:#dc2626;
  --shadow-sm:0 1px 2px rgba(16,18,24,.06);
  --shadow:0 4px 16px rgba(16,18,24,.08);
  --shadow-lg:0 12px 40px rgba(16,18,24,.14);
  --radius:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:"Inter","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,system-ui,sans-serif;
  background:var(--bg); color:var(--txt); line-height:1.65;
  min-height:100vh; display:flex; flex-direction:column;
  -webkit-font-smoothing:antialiased;
}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit}

/* topbar */
.topbar{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:13px 24px;border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.85);backdrop-filter:blur(10px);position:sticky;top:0;z-index:20;
}
.brand{display:flex;align-items:center;gap:11px}
.logo-mark{display:block;flex-shrink:0;border-radius:9px}
.brand h1{font-size:19px;font-weight:800;letter-spacing:-.03em;line-height:1.1}
.wm-1{color:var(--txt)}
.wm-2{color:var(--accent)}
.tagline{font-size:11.5px;color:var(--muted);font-weight:500}
.topbar-actions{display:flex;align-items:center;gap:9px}
.plan-badge{
  font-size:10.5px;font-weight:700;letter-spacing:.06em;color:var(--accent);
  background:var(--accent-soft);border-radius:999px;padding:4px 11px;
}

/* buttons */
.btn{
  border:1px solid var(--line);background:#fff;color:var(--txt);
  padding:8px 14px;border-radius:9px;font-size:13px;font-weight:600;transition:.12s;
  box-shadow:var(--shadow-sm);
}
.btn:hover{background:var(--card2);border-color:#dcdce2}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(79,70,229,.25)}
.btn.primary:hover{background:#4338ca;border-color:#4338ca}
.btn.ghost{background:transparent;box-shadow:none;border-color:var(--line)}
.btn.ghost:hover{background:var(--card2)}
.btn.small{padding:7px 13px;font-size:12px;margin-top:10px}
.btn.upgrade{width:100%;margin-top:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));border:none;color:#fff;box-shadow:0 2px 8px rgba(124,58,237,.3)}
.btn.upgrade:hover{filter:brightness(1.05)}
.icon-btn{background:transparent;border:none;color:var(--faint);font-size:18px;padding:4px 8px;border-radius:8px;transition:.12s}
.icon-btn:hover{color:var(--txt);background:var(--card2)}

/* layout */
.layout{display:flex;flex:1;min-height:0}
.sidebar{
  width:258px;flex-shrink:0;border-right:1px solid var(--line);background:#fff;
  padding:18px 14px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.search-wrap input{
  width:100%;background:var(--bg);border:1px solid var(--line);color:var(--txt);
  padding:9px 12px;border-radius:9px;font-size:13px;transition:.12s;
}
.search-wrap input::placeholder{color:var(--faint)}
.search-wrap input:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px var(--accent-soft)}
.filters{display:flex;flex-direction:column;gap:2px}
.filter{
  text-align:left;background:transparent;border:none;color:var(--muted);
  padding:9px 12px;border-radius:8px;font-size:13px;font-weight:600;transition:.1s;
}
.filter:hover{background:var(--card2);color:var(--txt)}
.filter.active{background:var(--accent-soft);color:var(--accent)}
.cat-head{font-size:11px;color:var(--faint);font-weight:700;letter-spacing:.05em;margin-bottom:8px;padding:0 4px}
.cat-list{list-style:none;display:flex;flex-direction:column;gap:1px}
.cat-list li{
  padding:7px 12px;border-radius:8px;font-size:13px;color:var(--muted);cursor:pointer;
  display:flex;justify-content:space-between;transition:.1s;
}
.cat-list li:hover{background:var(--card2);color:var(--txt)}
.cat-list li.active{background:var(--accent-soft);color:var(--accent);font-weight:600}
.cat-list li .c-count{font-size:11px;color:var(--faint)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:6px}
.tag-chip{
  font-size:11px;background:var(--bg);border:1px solid var(--line);color:var(--muted);
  padding:4px 9px;border-radius:999px;cursor:pointer;transition:.1s;
}
.tag-chip:hover{border-color:#d5d5dd;color:var(--txt)}
.tag-chip.active{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.usage-meter{margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.usage-text{font-size:12px;color:var(--muted);margin-bottom:6px}
.usage-bar{height:6px;background:var(--card2);border-radius:999px;overflow:hidden}
.usage-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:.3s}

/* main */
.main{flex:1;padding:24px 28px;overflow-y:auto;min-width:0}

/* ヒーロー（初見への案内） */
.hero{position:relative;background:var(--accent-soft);border:1px solid #dfe3ff;border-radius:14px;padding:22px 24px;margin-bottom:22px}
.hero-close{position:absolute;top:12px;right:14px;background:transparent;border:none;color:var(--accent);font-size:15px;cursor:pointer;opacity:.6;padding:4px 8px;border-radius:7px}
.hero-close:hover{opacity:1;background:rgba(79,70,229,.08)}
.hero-title{font-size:20px;font-weight:800;letter-spacing:-.02em;color:#2e2a78;margin-bottom:6px}
.hero-sub{font-size:13px;color:#4b4a8a;max-width:680px;margin-bottom:14px;line-height:1.6}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px}
.hero-chip{font-size:12px;font-weight:600;color:var(--accent);background:#fff;border:1px solid #dfe3ff;border-radius:999px;padding:5px 12px}
.hero-chip kbd{background:var(--accent-soft);border-color:#cfd3f5;color:var(--accent)}
.main-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px}
.main-head h2{font-size:19px;font-weight:800;letter-spacing:-.02em}
.sort-wrap select{
  background:#fff;border:1px solid var(--line);color:var(--txt);
  padding:8px 11px;border-radius:9px;font-size:13px;box-shadow:var(--shadow-sm);cursor:pointer;
}
.sort-wrap select:focus{outline:none;border-color:var(--accent)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:15px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:17px;display:flex;flex-direction:column;gap:10px;transition:.15s;
  box-shadow:var(--shadow-sm);
}
.card:hover{border-color:#d8d8e0;transform:translateY(-2px);box-shadow:var(--shadow)}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.card-head-left{display:flex;gap:11px;align-items:flex-start;min-width:0}
.card-icon{width:36px;height:36px;border-radius:10px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0;line-height:1}
.card-cat{font-size:11px;color:var(--accent);font-weight:700;margin-bottom:2px}
.card-title{font-size:15px;font-weight:700;line-height:1.4;letter-spacing:-.01em}
.fav-btn{background:transparent;border:none;font-size:18px;line-height:1;color:#d1d5db;transition:.1s}
.fav-btn:hover{color:var(--warn)}
.fav-btn.on{color:var(--warn)}
.card-body{
  font-size:12.5px;color:var(--muted);white-space:pre-wrap;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;
}
.var-badge{
  display:inline-block;font-size:10px;color:var(--accent);background:var(--accent-soft);
  padding:1px 8px;border-radius:999px;margin-right:5px;font-weight:600;
}
.card-tags{display:flex;flex-wrap:wrap;gap:5px}
.card-tag{font-size:10.5px;color:var(--muted);background:var(--card2);padding:2px 8px;border-radius:999px}
.card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:2px;gap:6px}
.card-meta{font-size:11px;color:var(--faint)}
.card-actions{display:flex;gap:6px}
.mini-btn{
  font-size:12px;padding:6px 11px;border-radius:8px;border:1px solid var(--line);
  background:#fff;color:var(--txt);font-weight:600;transition:.12s;
}
.mini-btn:hover{background:var(--card2)}
.mini-btn.use{background:var(--accent);border-color:var(--accent);color:#fff}
.mini-btn.use:hover{background:#4338ca}

.empty{text-align:center;padding:80px 20px;color:var(--muted)}
.empty-emoji{font-size:52px;margin-bottom:12px}
.empty p{margin-bottom:16px}
.hidden{display:none !important}

/* modal */
.modal-overlay{
  position:fixed;inset:0;background:rgba(17,18,22,.4);backdrop-filter:blur(2px);
  display:flex;align-items:center;justify-content:center;z-index:50;padding:20px;
}
.modal{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  width:min(640px,100%);max-height:90vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);
}
.modal.small{width:min(420px,100%)}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal-head h3{font-size:16px;font-weight:800;letter-spacing:-.01em}
.modal-body{padding:20px 22px;overflow-y:auto;display:flex;flex-direction:column;gap:15px}
.modal-body label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--muted);font-weight:600}
.modal-body input,.modal-body textarea{
  background:#fff;border:1px solid var(--line);color:var(--txt);
  padding:10px 12px;border-radius:9px;font-size:13.5px;width:100%;resize:vertical;transition:.12s;
}
.modal-body input::placeholder,.modal-body textarea::placeholder{color:var(--faint)}
.modal-body input:focus,.modal-body textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.row{display:flex;gap:12px}
.row label{flex:1}
.hint{font-size:11.5px;color:var(--muted)}
.hint code{background:var(--card2);padding:1px 6px;border-radius:5px;font-size:11px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:15px 22px;border-top:1px solid var(--line);background:var(--bg)}
.var-field{display:flex;flex-direction:column;gap:6px}
.pay-list{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:14px}
.pay-price{text-align:center;font-size:15px;color:var(--muted)}
.pay-price b{font-size:24px;color:var(--txt);font-weight:800}

/* 品質スコア */
.score-box{background:var(--bg);border:1px solid var(--line);border-radius:11px;padding:13px 15px}
.score-head{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);font-weight:700}
.score-word{font-weight:700;margin-left:4px}
.score-num{font-size:22px;font-weight:800}
.score-bar{height:7px;background:var(--card2);border-radius:999px;overflow:hidden;margin:9px 0}
.score-fill{height:100%;width:0;background:var(--good);transition:.3s}
.score-tips{font-size:11.5px;color:var(--muted)}
.score-tips ul{margin:5px 0 0 16px}
.score-tips li{margin-bottom:2px}

/* ランチャー */
.launcher{position:fixed;inset:0;background:rgba(17,18,22,.35);backdrop-filter:blur(2px);z-index:70;display:flex;justify-content:center;align-items:flex-start;padding-top:12vh}
.launcher-box{width:min(560px,92%);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);overflow:hidden}
.launcher-box input{width:100%;background:transparent;border:none;border-bottom:1px solid var(--line);color:var(--txt);padding:16px 18px;font-size:15px}
.launcher-box input::placeholder{color:var(--faint)}
.launcher-box input:focus{outline:none}
.launcher-list{list-style:none;max-height:50vh;overflow-y:auto;padding:6px}
.launcher-list li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;font-size:13.5px;border-radius:9px}
.launcher-list li.sel{background:var(--accent-soft)}
.launcher-list .l-title{font-weight:600}
.launcher-list .l-cat{font-size:11px;color:var(--faint);flex-shrink:0}
.launcher-list .l-empty{color:var(--muted);cursor:default;justify-content:center}
.launcher-hint{font-size:11px;color:var(--faint);padding:9px 18px;border-top:1px solid var(--line);text-align:center}
kbd{background:var(--card2);border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-size:11px;color:var(--muted)}

.toast{
  position:fixed;bottom:26px;left:50%;transform:translateX(-50%);
  background:var(--txt);color:#fff;padding:11px 20px;border-radius:10px;
  font-weight:600;font-size:13px;z-index:80;box-shadow:var(--shadow-lg);
}
.footer{color:var(--faint);font-size:11px;text-align:center;padding:18px;border-top:1px solid var(--line);background:#fff}

@media(max-width:820px){
  .layout{flex-direction:column}
  .sidebar{width:100%;border-right:none;border-bottom:1px solid var(--line);flex-direction:row;flex-wrap:wrap;align-items:flex-start}
  .search-wrap{width:100%}
  .usage-meter{width:100%}
  .tagline{display:none}
  .main{padding:18px 16px}
}