/* 保険AIラボ 講座運営システム（内部検証版）
   色・ロゴの組み方は既存の保険AIラボ管理（tools/aic-video-manager/static/style.css）と同じ＝紺 #141C3A・申込 #E4570F。
   🔴 ロゴの色・縦横比は変えない。カードの枠は濃い線（--line-2・1.5px＋影）。本文16px・カード内14.4〜15px を下限にする */
:root{
  --brand:#E4570F; --brand-d:#CC4C0B; --navy:#141C3A; --navy2:#3A4466; --ink:#1f2937; --sub:#5b6675;
  --line:#e3e8ee; --line-2:#C7CEE6; --bg:#f5f7fa; --card:#fff; --green:#1A7F37; --warn:#9a4b00; --red:#c0362c;
  --sky:#E3EAFB; --orange:#FF6B2B;
  --shadow:0 1px 2px rgba(20,28,58,.06),0 10px 24px -10px rgba(20,28,58,.24);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,"Hiragino Sans","Noto Sans JP",sans-serif;
  font-size:16px;line-height:1.75}
a{color:#2c4fbf}
button,input,select,textarea{font-family:inherit;font-size:15px}
h1{font-size:1.45rem;margin:.2rem 0 1rem;color:var(--navy);line-height:1.4}
h2{font-size:1.15rem;margin:1.6rem 0 .7rem;color:var(--navy)}
h3{font-size:1rem;margin:1rem 0 .5rem;color:var(--navy)}
:focus-visible{outline:3px solid #6b8cff;outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ── バー（ロゴ＝運営者の設定。保険AIラボは既存のマーク＋文字の組み方） */
.hl-bar{position:sticky;top:0;z-index:30;display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1.2rem;
  padding:.6rem 1.2rem;background:var(--navy);color:#fff}
.hl-brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;flex-shrink:0}
.hl-brand img{width:34px;height:34px;border-radius:22%;box-shadow:0 0 0 1px rgba(255,255,255,.28)}
.hl-brand-text{display:flex;flex-direction:column;line-height:1.15;font-family:"M PLUS Rounded 1c","Hiragino Maru Gothic ProN","Hiragino Sans",sans-serif}
.hl-brand-text b{font-weight:500;font-size:1.15rem;white-space:nowrap}
.hl-brand-text small{font-weight:700;font-size:.6rem;letter-spacing:.24em;color:#AFC0DA;white-space:nowrap}
.hl-env{font-size:.75rem;font-weight:800;background:#fff3c4;color:#6b4a00;border-radius:999px;padding:.12rem .6rem;white-space:nowrap}
.hl-nav{display:flex;flex-wrap:wrap;gap:.2rem;margin-left:auto;align-items:center}
.hl-nav a,.hl-nav button{color:#d6dcea;text-decoration:none;font-weight:700;font-size:.92rem;padding:.35rem .75rem;border-radius:8px;
  background:transparent;border:0;cursor:pointer}
.hl-nav a.on,.hl-nav a:hover,.hl-nav button:hover{background:rgba(255,255,255,.14);color:#fff}
.hl-nav form{margin:0}
.hl-main{max-width:1180px;margin:0 auto;padding:1.4rem 16px 3rem}
.hl-main.wide{max-width:1500px}

.hl-foot{max-width:1180px;margin:0 auto;padding:0 16px 2rem;color:var(--sub);font-size:.92rem}

/* ── 共通の部品 */
.card{background:var(--card);border:1.5px solid var(--line-2);border-radius:14px;box-shadow:var(--shadow);padding:1.1rem 1.2rem;margin-bottom:1rem}
.card h2:first-child,.card h3:first-child{margin-top:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}
.stat{font-size:.9rem;color:var(--sub)}.stat b{display:block;font-size:1.6rem;color:var(--navy);line-height:1.3}
.muted{color:var(--sub);font-size:.92rem}
.note{background:#f2f5fc;border:1px solid var(--line-2);border-radius:10px;padding:.6rem .85rem;font-size:.92rem;color:#334}
.warn{background:#fff6e5;border:1.5px solid #f3d69a;color:#6b4300;border-radius:10px;padding:.7rem .9rem;margin:0 0 1rem;font-size:.95rem}
.error-box{background:#fdecea;border:1.5px solid #f1b0a9;color:#7d1d14;border-radius:10px;padding:.7rem .9rem;margin:0 0 1rem}
.ok-box{background:#e9f7ee;border:1.5px solid #a7d8b6;color:#0f5129;border-radius:10px;padding:.7rem .9rem;margin:0 0 1rem}
.badge{display:inline-block;font-size:.78rem;font-weight:800;border-radius:999px;padding:.08rem .6rem;border:1px solid var(--line-2);
  background:#fff;color:var(--navy);white-space:nowrap}
.badge.self{background:#e8f0ff;border-color:#b9cbf5}
.badge.coach{background:#fff1ea;border-color:#f6c7ae;color:#8a3a12}
.badge.ok{background:#e9f7ee;border-color:#a7d8b6;color:#0f5129}
.badge.bad{background:#fdecea;border-color:#f1b0a9;color:#7d1d14}
.badge.test{background:#fff3c4;border-color:#f0d77a;color:#6b4a00}
.btn{display:inline-flex;align-items:center;gap:.35rem;border:1.5px solid var(--line-2);background:#fff;border-radius:9px;padding:.5rem 1rem;
  font-weight:700;color:var(--ink);text-decoration:none;cursor:pointer;line-height:1.4}
.btn:hover{border-color:var(--brand);color:var(--brand-d)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-d);border-color:var(--brand-d);color:#fff}
.btn.navy{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.sm{padding:.25rem .65rem;font-size:.85rem;border-radius:7px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn.danger{color:var(--red);border-color:#f1b0a9}
.row{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center}
.spacer{flex:1}
table.t{width:100%;border-collapse:collapse;font-size:.92rem;background:#fff}
table.t th,table.t td{border-bottom:1px solid var(--line);padding:.5rem .55rem;text-align:left;vertical-align:top}
table.t th{background:#f2f5fc;color:var(--navy);font-weight:800;white-space:nowrap}
table.t td.num,table.t th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.table-wrap{overflow-x:auto;border:1.5px solid var(--line-2);border-radius:12px}
form.inline{display:flex;flex-wrap:wrap;gap:.5rem;align-items:flex-end}
label.f{display:flex;flex-direction:column;gap:.2rem;font-size:.85rem;color:var(--sub);font-weight:700}
input[type=text],input[type=email],input[type=number],input[type=datetime-local],select,textarea{
  border:1.5px solid var(--line-2);border-radius:8px;padding:.45rem .6rem;background:#fff;color:var(--ink);min-width:0}
textarea{width:100%;min-height:5.5rem;line-height:1.6}
.hl-msg{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:99;background:var(--navy);color:#fff;
  padding:.65rem 1.1rem;border-radius:10px;box-shadow:var(--shadow);font-weight:700;max-width:calc(100vw - 32px)}
.hl-msg.err{background:#8f1d14}

/* ── 管理画面の左のメニュー */
.admin{display:grid;grid-template-columns:210px minmax(0,1fr);gap:1.2rem}
.admin-nav{position:sticky;top:76px;align-self:start;background:#fff;border:1.5px solid var(--line-2);border-radius:14px;padding:.6rem}
.admin-nav a{display:block;padding:.45rem .7rem;border-radius:8px;color:var(--ink);text-decoration:none;font-weight:700;font-size:.95rem}
.admin-nav a.on,.admin-nav a:hover{background:var(--sky);color:var(--navy)}
.admin-nav .sep{border-top:1px solid var(--line);margin:.4rem .3rem}
@media(max-width:860px){.admin{grid-template-columns:1fr}.admin-nav{position:static;display:flex;flex-wrap:wrap}}

/* ── 受講者 */
.course-card{display:flex;flex-direction:column;gap:.5rem}
.course-card .title{font-size:1.1rem;font-weight:800;color:var(--navy)}
.progress{height:10px;border-radius:999px;background:#e8ecf5;overflow:hidden;border:1px solid var(--line-2)}
.progress > i{display:block;height:100%;background:var(--green)}
.toc{list-style:none;margin:0;padding:0}
.toc > li{margin-bottom:1rem}
.toc .sec{font-weight:800;color:var(--navy);margin-bottom:.35rem}
.toc .lesson{display:flex;align-items:center;gap:.6rem;padding:.55rem .7rem;border:1.5px solid var(--line-2);border-radius:10px;
  background:#fff;margin-bottom:.4rem;text-decoration:none;color:var(--ink)}
.toc .lesson:hover{border-color:var(--brand)}
.toc .mark{width:1.6rem;height:1.6rem;border-radius:50%;border:2px solid var(--line-2);display:inline-flex;align-items:center;
  justify-content:center;font-size:.85rem;font-weight:900;flex:none}
.toc .mark.done{background:var(--green);border-color:var(--green);color:#fff}
.toc .mark.seen{border-color:#7f95d6;color:#3b56a8}
.lesson-head{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin-bottom:.6rem}
.deck{background:#fff;border:1.5px solid var(--line-2);border-radius:14px;padding:.8rem;box-shadow:var(--shadow);margin-bottom:1rem}
.deck .aics-stage{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:10px;background:#eef2f9}
.deck-nav{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-top:.6rem}
.deck-nav .count{font-weight:800;color:var(--navy);min-width:4.5rem;text-align:center}
.file-item{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;justify-content:space-between}
.lesson-actions{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin-top:1rem}
.banner-update{position:sticky;top:64px;z-index:20}
.audio-ctl{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap;margin-top:.5rem}

/* ── 講師 */
.rel-row{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;padding:.45rem .6rem;border:1.5px solid var(--line-2);border-radius:10px;
  margin-bottom:.35rem;background:#fff}
.rel-row .t{flex:1;min-width:12rem}
.session{border-left:4px solid var(--line-2);padding:.2rem 0 .2rem .8rem;margin-bottom:.9rem}
.session.completed{border-left-color:var(--green)}

/* ── 教材の編集 */
.ed-slide{border:1.5px solid var(--line-2);border-radius:12px;padding:.8rem;background:#fff;margin-bottom:.7rem}
.ed-slide .head{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center;margin-bottom:.5rem}
.ed-grid{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}
@media(max-width:700px){.ed-grid{grid-template-columns:1fr}}
.preview-stage{position:relative;width:100%;max-width:880px;aspect-ratio:16/9;overflow:hidden;border-radius:10px;background:#eef2f9;
  border:1.5px solid var(--line-2)}

/* ── 投影（教材だけ） */
body.screen{background:#0b1022;margin:0}
.screen-stage{position:fixed;inset:0}
.screen-stage .aics-stage{position:absolute;inset:0}

/* ── 小さい画面（320px〜） */
@media(max-width:600px){
  .hl-main{padding:1rem 12px 2.5rem}
  h1{font-size:1.25rem}
  .hl-nav{margin-left:0;width:100%}
  table.t{font-size:.88rem}
}