/* とこことAIラボ 会員/管理 共通スタイル（LPの世界観に合わせる：銀杏ゴールド×黒板グリーン×丸ゴシック） */
:root{
  --gold:#ffda1b; --gold-deep:#f0b400; --school:#024f43; --school-2:#0a6f5f;
  --ink:#1a2a26; --sub:#5a6b66; --line:#e3ddcf; --cream:#f6f3ea; --card:#ffffff;
  --bad:#c0392b; --ok:#1e8e6b; --warn:#b8860b;
  --shadow:0 2px 10px rgba(20,40,35,.06),0 1px 0 rgba(20,40,35,.04);
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Noto Sans JP",-apple-system,"Hiragino Kaku Gothic ProN",sans-serif;
  color:var(--ink); background:var(--cream); line-height:1.7; -webkit-font-smoothing:antialiased;
}
a{color:var(--school-2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1040px;margin:0 auto;padding:0 18px}
.narrow{max-width:520px}
.mid{max-width:760px}

/* ヘッダ */
.appbar{background:var(--school);color:#fff;position:sticky;top:0;z-index:30}
.appbar .wrap{display:flex;align-items:center;gap:14px;height:60px}
.brand{font-family:"Zen Maru Gothic",sans-serif;font-weight:700;font-size:18px;color:#fff;display:flex;align-items:center;gap:9px}
.brand .dot{width:26px;height:26px;border-radius:8px;background:var(--gold);color:var(--school);display:grid;place-items:center;font-size:15px;font-weight:800}
.appbar nav{margin-left:auto;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.appbar nav a,.appbar nav button{color:#eafff8;background:transparent;border:0;font:inherit;font-size:14px;padding:7px 12px;border-radius:9px;cursor:pointer}
.appbar nav a.active,.appbar nav a:hover,.appbar nav button:hover{background:rgba(255,255,255,.14);text-decoration:none}
.appbar .who{font-size:13px;color:#bfeede;margin-left:6px}

/* 見出し */
h1.page{font-family:"Zen Maru Gothic",sans-serif;font-size:26px;margin:26px 0 6px}
.lead{color:var(--sub);margin:0 0 22px}
h2.sec{font-family:"Zen Maru Gothic",sans-serif;font-size:19px;margin:30px 0 12px;display:flex;align-items:center;gap:9px}
h2.sec::before{content:"";width:7px;height:20px;background:var(--gold);border-radius:3px;display:inline-block}

/* カード */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.card+.card{margin-top:14px}
.grid{display:grid;gap:14px}
.grid.cols2{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.grid.cols3{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}

/* フォーム */
label.f{display:block;font-size:13px;font-weight:600;color:var(--ink);margin:14px 0 5px}
label.f .req{color:var(--bad);font-size:12px;margin-left:4px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=time],select,textarea{
  width:100%;font:inherit;font-size:15px;color:var(--ink);background:#fff;
  border:1px solid var(--line);border-radius:10px;padding:11px 12px;outline:none;
}
input:focus,select:focus,textarea:focus{border-color:var(--school-2);box-shadow:0 0 0 3px rgba(10,111,95,.12)}
textarea{min-height:120px;resize:vertical;line-height:1.7}
.check{display:flex;gap:10px;align-items:flex-start;margin:12px 0;font-size:14px;cursor:pointer}
.check input{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--school)}
.hint{font-size:12.5px;color:var(--sub);margin-top:5px}

/* ボタン */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;font:inherit;font-weight:700;font-size:15px;
  border:0;border-radius:11px;padding:12px 20px;cursor:pointer;transition:.12s;text-decoration:none}
.btn.primary{background:var(--gold);color:#3a2d05}
.btn.primary:hover{background:var(--gold-deep);text-decoration:none}
.btn.school{background:var(--school);color:#fff}
.btn.school:hover{background:var(--school-2);text-decoration:none}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{background:#faf8f1;text-decoration:none}
.btn.sm{padding:7px 13px;font-size:13.5px;border-radius:9px}
.btn.danger{background:#fff;color:var(--bad);border:1px solid #e7c6c1}
.btn.danger:hover{background:#fdf3f1}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn.block{width:100%}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row.end{justify-content:flex-end}
.spacer{flex:1}

/* バッジ */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;border:1px solid}
.badge.green{background:#eaf6f1;color:#1e6e58;border-color:#bfe3d6}
.badge.gold{background:#fff7da;color:#8a6d00;border-color:#f0dea0}
.badge.gray{background:#f0efe9;color:#6a6a62;border-color:#ddd9cd}
.badge.red{background:#fdecea;color:#b23a2c;border-color:#f0c6c0}
.badge.blue{background:#e9f1fb;color:#2a5c9a;border-color:#c5d8f0}

/* テーブル */
table.tbl{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
table.tbl th,table.tbl td{padding:11px 13px;text-align:left;border-bottom:1px solid var(--line)}
table.tbl th{background:#f5f3ec;font-size:12.5px;color:var(--sub);font-weight:700}
table.tbl tr:last-child td{border-bottom:0}
table.tbl tr:hover td{background:#fbfaf5}

/* メッセージ */
.msg{padding:11px 14px;border-radius:10px;font-size:14px;margin:12px 0;display:none}
.msg.show{display:block}
.msg.err{background:#fdecea;color:#a3271a;border:1px solid #f0c6c0}
.msg.ok{background:#eaf6f1;color:#1e6e58;border:1px solid #bfe3d6}
.msg.info{background:#fff7da;color:#7a6200;border:1px solid #f0dea0}

/* 認証画面 */
.authpage{min-height:100vh;display:flex;flex-direction:column}
.authpage .center{flex:1;display:flex;align-items:center;justify-content:center;padding:30px 16px}
.authcard{width:100%;max-width:440px}
.authcard .logo{text-align:center;margin-bottom:18px}
.authcard .logo .dot{width:46px;height:46px;border-radius:13px;background:var(--school);color:var(--gold);display:inline-grid;place-items:center;font-size:24px;font-weight:800;font-family:"Zen Maru Gothic",sans-serif}
.authcard h1{font-family:"Zen Maru Gothic",sans-serif;font-size:21px;text-align:center;margin:8px 0 2px}
.authcard .sub{text-align:center;color:var(--sub);font-size:13.5px;margin-bottom:18px}
.switchline{text-align:center;font-size:13.5px;color:var(--sub);margin-top:16px}

/* 記事 */
.article-body{font-size:15.5px;line-height:1.95}
.article-body h2{font-family:"Zen Maru Gothic",sans-serif;font-size:20px;margin:28px 0 10px;border-bottom:2px solid var(--gold);padding-bottom:5px}
.article-body h3{font-size:17px;margin:22px 0 8px}
.article-body p{margin:12px 0}
.article-body ul,.article-body ol{margin:12px 0;padding-left:22px}
.article-body li{margin:5px 0}
.article-body img{max-width:100%;border-radius:10px}
.article-body code{background:#f0efe9;padding:2px 6px;border-radius:5px;font-size:13px}
.article-body blockquote{border-left:4px solid var(--gold);margin:14px 0;padding:6px 14px;color:var(--sub);background:#fbfaf3}
.tagrow{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0}
.tag{font-size:12px;background:#eef4f1;color:#2c6655;padding:2px 9px;border-radius:999px}

.empty{text-align:center;color:var(--sub);padding:36px 10px;font-size:14px}
.muted{color:var(--sub)}
.foot{color:var(--sub);font-size:12.5px;text-align:center;padding:30px 0}
.hide{display:none!important}

/* タブ（一目でタブと分かる切替UI） */
.tabs{display:flex;gap:4px;border-bottom:2px solid var(--line);margin:22px 0 18px}
.tab{appearance:none;background:transparent;border:0;font:inherit;font-weight:700;font-size:15.5px;color:var(--sub);
  padding:11px 18px 12px;cursor:pointer;position:relative;border-radius:11px 11px 0 0;transition:.12s;display:inline-flex;align-items:center;gap:8px}
.tab:hover{background:#fff;color:var(--ink)}
.tab.active{color:var(--school)}
.tab.active::after{content:"";position:absolute;left:6px;right:6px;bottom:-2px;height:3px;background:var(--gold);border-radius:3px}
.tab .cnt{font-size:11.5px;font-weight:700;color:#fff;background:#9fb3ad;border-radius:999px;padding:1px 8px;min-width:20px;text-align:center}
.tab.active .cnt{background:var(--school)}

/* 高さの揃ったカードグリッド */
.cardgrid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));align-items:stretch}
.evcard{display:flex;flex-direction:column;height:100%;text-align:left;width:100%;color:inherit;
  background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:18px;cursor:pointer;transition:.13s}
.evcard:hover{box-shadow:0 8px 20px rgba(20,40,35,.13);transform:translateY(-2px);border-color:#d8d0bb;text-decoration:none}
.evcard .ev-head{display:flex;justify-content:space-between;gap:8px;align-items:flex-start;flex-wrap:wrap}
.evcard .ev-title{font-family:"Zen Maru Gothic",sans-serif;font-size:17px;margin:12px 0 6px;color:var(--ink)}
.evcard .ev-meta{font-size:12.5px;color:var(--sub)}
.evcard .ev-sum{font-size:13.5px;color:#41514c;margin:10px 0 0;flex:1 0 auto}
.evcard .ev-cta{margin-top:12px;font-size:12.5px;font-weight:700;color:var(--school-2)}

/* モーダル */
.modal{position:fixed;inset:0;background:rgba(18,28,25,.55);display:none;align-items:flex-end;justify-content:center;z-index:70}
.modal.show{display:flex}
.modal-box{background:var(--cream);width:100%;max-width:600px;max-height:92vh;border-radius:18px 18px 0 0;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 -10px 40px rgba(0,0,0,.25)}
.modal-head{padding:18px 20px 16px;background:#fff;border-bottom:1px solid var(--line)}
.modal-title{font-family:"Zen Maru Gothic",sans-serif;font-size:19px;margin:10px 0 5px}
.modal-body{padding:14px 18px;overflow:auto;flex:1}
.modal-foot{border-top:1px solid var(--line);background:var(--cream);padding:10px 12px;display:flex;gap:8px;align-items:flex-end}
.modal-foot textarea{min-height:42px;max-height:120px;resize:none}
@media(min-width:640px){ .modal{align-items:center;padding:20px} .modal-box{border-radius:18px} }

/* LINE風チャット */
.chat{display:flex;flex-direction:column;gap:12px;padding:6px 2px 4px}
.row-msg{display:flex;flex-direction:column;max-width:82%}
.row-msg.me{align-self:flex-end;align-items:flex-end}
.msg-name{font-size:11px;color:var(--sub);margin:0 7px 3px}
.bubble{background:#fff;border:1px solid var(--line);padding:9px 13px;border-radius:4px 15px 15px 15px;font-size:14px;line-height:1.6;white-space:pre-wrap;word-break:break-word}
.row-msg.me .bubble{background:#fdeeb0;border-color:#f2e09a;border-radius:15px 4px 15px 15px}
.msg-time{font-size:10px;color:#a6a6a0;margin:3px 7px 0}
.chat-empty{color:var(--sub);font-size:13px;text-align:center;padding:22px 6px}

@media(max-width:560px){ .appbar .wrap{height:auto;padding:10px 14px;flex-wrap:wrap} h1.page{font-size:22px} .tab{padding:10px 13px;font-size:14.5px} }