/* ===== ブランド色（ここ1か所で全体が決まる） ===== */
:root{
  --brand-main:#7b6ce0;
  --brand-main-soft:#9d8ff0;
  --brand-accent:#c87941;
  --brand-accent-soft:#e0a06a;
  --brand-grad:linear-gradient(135deg,var(--brand-main),var(--brand-accent));
  --ink:#1f2233;
  --ink-soft:#5a5f73;
  --line:#e7e8f0;
  --bg:#f6f6fb;
  --card:#ffffff;
  --radius:16px;
  --shadow:0 8px 24px rgba(40,38,80,.08);
  --shadow-hover:0 16px 34px rgba(40,38,80,.16);
  --sidebar:252px;
}

*{box-sizing:border-box;min-width:0;}
html,body{margin:0;padding:0;max-width:100%;overflow-x:hidden;}
html{scroll-behavior:smooth;}
body{
  font-family:"Noto Sans JP",system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  font-size:14px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;}
h1,h2,h3{font-weight:800;line-height:1.3;margin:0;}

/* ===== Auth state ===== */
.app-shell{display:none;}
body.auth-ready .app-shell{display:flex;}
body.auth-ready .login-screen{display:none;}
body.auth-loading .login-screen,
body.auth-locked .login-screen{display:flex;}
body.modal-open{overflow:hidden;}

/* ===== Login ===== */
.login-screen{
  position:fixed;inset:0;z-index:50;
  align-items:center;justify-content:center;gap:48px;
  background:
    radial-gradient(140% 120% at 0% 0%,rgba(123,108,224,.20) 0%,rgba(200,121,65,.14) 55%,rgba(246,246,251,0) 100%),
    var(--bg);
  padding:32px 24px;
}
.login-hero{
  flex:0 0 360px;max-width:360px;color:var(--ink);
}
.login-hero-kicker{
  font-family:"Montserrat",sans-serif;font-weight:900;letter-spacing:.18em;
  color:var(--brand-main);font-size:12px;
}
.login-hero h2{font-size:34px;line-height:1.25;margin:14px 0 14px;font-weight:900;}
.login-hero>p{color:var(--ink-soft);font-size:14px;margin:0 0 22px;}
.login-hero-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.login-hero-list li{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:700;}
.login-hero-list li span{
  flex:0 0 32px;width:32px;height:32px;border-radius:10px;display:inline-flex;
  align-items:center;justify-content:center;color:#fff;font-size:14px;background:var(--brand-grad);
}
.login-card{
  width:100%;max-width:420px;background:#fff;border-radius:22px;
  padding:36px 32px;box-shadow:0 28px 70px rgba(40,38,80,.20);border:1px solid var(--line);
}
.login-mark{display:flex;align-items:center;gap:12px;margin-bottom:22px;}
.login-logo,.brand-logo{
  font-family:"Montserrat",sans-serif;font-weight:900;letter-spacing:.04em;
  background:var(--brand-grad);color:#fff;border-radius:12px;
  padding:8px 12px;font-size:18px;line-height:1;display:inline-block;
}
.login-mark strong{display:block;font-size:16px;}
.login-mark span span,.login-mark>div>span{color:var(--ink-soft);font-size:12px;}
.login-kicker{font-family:"Montserrat";font-weight:800;letter-spacing:.18em;color:var(--brand-main);font-size:12px;margin:0 0 6px;}
.login-card h1{font-size:24px;margin-bottom:10px;}
.login-copy{color:var(--ink-soft);font-size:14px;margin:0 0 20px;}
.field{display:block;margin-bottom:14px;}
.field span{display:block;font-size:13px;font-weight:700;margin-bottom:6px;}
.field input{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;
  font-size:15px;background:#fbfbfe;
}
.field input:focus{outline:none;border-color:var(--brand-main);box-shadow:0 0 0 3px rgba(123,108,224,.15);}
.login-error{color:#c0392b;font-size:13px;margin:0 0 12px;}
.login-button{
  width:100%;padding:13px;border:none;border-radius:12px;cursor:pointer;
  background:var(--brand-grad);color:#fff;font-weight:800;font-size:15px;
}
.login-button:hover{filter:brightness(1.05);}
.preview-login-button{
  width:100%;margin-top:10px;padding:11px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink-soft);font-weight:700;font-size:14px;cursor:pointer;
}
.preview-login-button:hover{border-color:var(--brand-main);color:var(--brand-main);}
.login-config-note{margin:16px 0 0;font-size:12px;color:var(--ink-soft);line-height:1.6;}
.login-config-note code{background:#f1eefc;padding:1px 6px;border-radius:6px;color:var(--brand-main);font-weight:700;}

/* ===== Shell ===== */
.app-shell{min-height:100vh;}
.sidebar{
  width:var(--sidebar);flex:0 0 var(--sidebar);background:#fff;border-right:1px solid var(--line);
  padding:22px 16px;display:flex;flex-direction:column;gap:6px;position:sticky;top:0;height:100vh;
}
.brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;padding:0 4px;}
.brand-copy strong{display:block;font-size:15px;}
.brand-copy small{color:var(--ink-soft);font-size:11px;}
.side-nav{display:flex;flex-direction:column;gap:2px;}
.nav-group-label{font-size:11px;font-weight:800;color:var(--ink-soft);letter-spacing:.1em;margin:14px 8px 6px;text-transform:uppercase;}
.side-nav a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:11px;
  font-size:14px;font-weight:700;color:var(--ink-soft);transition:background .15s,color .15s;
}
.side-nav a:hover{background:#f2f0fb;color:var(--ink);}
.side-nav a.is-active{background:var(--brand-grad);color:#fff;box-shadow:0 6px 16px rgba(123,108,224,.3);}
.nav-icon{width:22px;height:22px;flex:0 0 22px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;}
.nav-icon--accent{color:var(--brand-main);}
.side-nav a.is-active .nav-icon--accent{color:#fff;}
.nav-count{margin-left:auto;font-size:11px;font-weight:800;color:var(--ink-soft);background:#f2f0fb;border-radius:20px;padding:2px 8px;}
.side-nav a.is-active .nav-count{background:rgba(255,255,255,.25);color:#fff;}

.sidebar-progress{margin-top:auto;margin-bottom:10px;padding:14px;border:1px solid var(--line);border-radius:14px;background:#faf9ff;}
.sidebar-progress-top{display:flex;align-items:baseline;justify-content:space-between;}
.sidebar-progress-top span{font-size:12px;font-weight:700;color:var(--ink-soft);}
.sidebar-progress-top b{font-family:"Montserrat";font-size:18px;font-weight:900;color:var(--brand-main);}
.sidebar-progress-track{height:7px;border-radius:20px;background:#ece9fa;margin:8px 0 6px;overflow:hidden;}
.sidebar-progress-track i{display:block;height:100%;border-radius:20px;background:var(--brand-grad);transition:width .4s;}
.sidebar-progress small{font-size:11px;color:var(--ink-soft);}

.logout-button{
  padding:10px;border:1px solid var(--line);border-radius:11px;background:#fff;
  color:var(--ink-soft);font-weight:700;font-size:13px;cursor:pointer;
}
.logout-button:hover{border-color:var(--brand-main);color:var(--brand-main);}

.content{flex:1;min-width:0;display:flex;flex-direction:column;}
.topbar{
  display:flex;align-items:center;gap:12px;padding:14px 28px;border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.86);backdrop-filter:saturate(160%) blur(8px);position:sticky;top:0;z-index:10;
}
.menu-toggle{display:none;border:none;background:none;font-size:22px;cursor:pointer;line-height:1;}
.topbar-title{font-weight:800;font-size:16px;}
.topbar-search{
  margin-left:auto;display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  border:1px solid var(--line);background:#fbfbfe;border-radius:11px;padding:8px 14px;
  color:var(--ink-soft);font-weight:600;font-size:13px;transition:.15s;
}
.topbar-search:hover{border-color:var(--brand-main);color:var(--brand-main);background:#fff;}
.topbar-search-icon{font-size:15px;}
.topbar-user{margin-left:18px;font-size:13px;color:var(--ink-soft);}
.view-host{padding:28px 28px 60px;overflow-y:auto;flex:1;}
.view{max-width:1040px;}

/* ===== Home ===== */
.hero{
  background:var(--brand-grad);color:#fff;border-radius:var(--radius);
  padding:32px 30px;margin-bottom:30px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:0 18px 40px rgba(123,108,224,.28);
}
.hero-kicker{font-family:"Montserrat";font-weight:800;letter-spacing:.18em;font-size:12px;opacity:.85;margin:0 0 8px;}
.hero h1{font-size:26px;margin-bottom:8px;}
.hero-tagline{margin:0;font-size:14px;opacity:.92;}
.hero-progress{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.hero-progress-meta strong{display:block;font-size:14px;}
.hero-progress-meta span{font-size:12px;opacity:.9;}

.donut{
  --p:0;
  position:relative;width:84px;height:84px;border-radius:50%;flex:0 0 84px;
  background:conic-gradient(#fff calc(var(--p)*1%),rgba(255,255,255,.28) 0);
  display:inline-flex;align-items:center;justify-content:center;
}
.donut::after{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--brand-main);}
.donut b{position:relative;z-index:1;font-family:"Montserrat";font-weight:900;font-size:18px;color:#fff;}

.section-title{font-size:18px;margin:30px 0 14px;}
.section-title:first-of-type{margin-top:6px;}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:30px 0 14px;}
.section-head .section-title{margin:0;}
.section-link{font-size:13px;font-weight:800;color:var(--brand-main);white-space:nowrap;}
.section-link:hover{text-decoration:underline;}

/* Stats row */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:6px;}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  display:flex;flex-direction:column;gap:2px;box-shadow:var(--shadow);
}
.stat-value{font-family:"Montserrat",sans-serif;font-weight:900;font-size:22px;color:var(--ink);line-height:1.1;}
.stat-label{font-size:12px;font-weight:800;color:var(--ink);}
.stat-sub{font-size:11px;color:var(--ink-soft);font-weight:700;}

.resume-card{
  display:flex;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);transition:.18s;
}
.resume-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.resume-thumb{
  flex:0 0 56px;width:56px;height:56px;border-radius:14px;display:inline-flex;
  align-items:center;justify-content:center;color:#fff;font-size:22px;
}
.resume-thumb--video{background:linear-gradient(135deg,var(--brand-main),var(--brand-main-soft));}
.resume-thumb--article{background:linear-gradient(135deg,var(--brand-accent),var(--brand-accent-soft));}
.resume-text{flex:1;min-width:0;}
.resume-eyebrow{display:block;font-size:11px;font-weight:800;letter-spacing:.06em;color:var(--brand-main);}
.resume-text strong{display:block;font-size:16px;margin:2px 0;}
.resume-text>span:last-child{color:var(--ink-soft);font-size:13px;}
.resume-go{color:var(--brand-main);font-weight:800;font-size:13px;white-space:nowrap;}

/* Course overview cards */
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;}
.course-card{
  display:flex;flex-direction:column;gap:8px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:.18s;
}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d8d3f5;}
.course-icon{
  width:44px;height:44px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;
  font-size:20px;color:#fff;background:var(--brand-grad);
}
.course-name{font-size:16px;}
.course-desc{color:var(--ink-soft);font-size:13px;flex:1;}
.course-bar{display:block;height:7px;border-radius:20px;background:#ece9fa;overflow:hidden;margin-top:4px;}
.course-bar i{display:block;height:100%;border-radius:20px;background:var(--brand-grad);transition:width .4s;}
.course-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--ink-soft);font-weight:700;}
.course-go{color:var(--brand-main);}

/* Notices */
.notice-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.notice{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px 18px;}
.notice-meta{display:flex;flex-direction:column;gap:4px;flex:0 0 96px;}
.notice-meta time{font-size:12px;color:var(--ink-soft);}
.notice-label{display:inline-block;font-size:10px;font-weight:800;letter-spacing:.08em;padding:2px 7px;border-radius:6px;color:#fff;width:fit-content;}
.notice-label--UPDATE{background:var(--brand-main);}
.notice-label--ARTICLE{background:var(--brand-accent);}
.notice-label--VIDEO{background:#4d4868;}
.notice-main strong{display:block;font-size:14px;}
.notice-main span{color:var(--ink-soft);font-size:13px;}

/* ===== Category ===== */
.cat-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;flex-wrap:wrap;}
.cat-head-main{display:flex;align-items:flex-start;gap:16px;}
.cat-head-icon{
  flex:0 0 52px;width:52px;height:52px;border-radius:15px;display:inline-flex;align-items:center;justify-content:center;
  font-size:24px;color:#fff;background:var(--brand-grad);
}
.cat-head h1{font-size:24px;margin:2px 0;}
.cat-desc{color:var(--ink-soft);font-size:14px;margin:0;}
.cat-head-progress{min-width:220px;flex:0 0 auto;}
.cat-bar{height:8px;border-radius:20px;background:#ece9fa;overflow:hidden;margin-bottom:6px;}
.cat-bar i{display:block;height:100%;border-radius:20px;background:var(--brand-grad);transition:width .4s;}
.cat-head-progress span{font-size:12px;color:var(--ink-soft);font-weight:700;}

.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:20px;}
.lesson-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.18s;min-width:0;
}
.lesson-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.card-title,.card-desc{overflow-wrap:anywhere;}
.card-thumb{position:relative;height:128px;display:flex;align-items:center;justify-content:center;}
.card-thumb--video{background:linear-gradient(135deg,var(--brand-main),var(--brand-main-soft));}
.card-thumb--article{background:linear-gradient(135deg,var(--brand-accent),var(--brand-accent-soft));}
.thumb-icon{color:#fff;font-size:36px;opacity:.95;transition:transform .2s;}
.lesson-card:hover .thumb-icon{transform:scale(1.12);}
.card-badge{position:absolute;top:11px;right:11px;background:rgba(0,0,0,.3);color:#fff;font-size:10px;font-weight:800;letter-spacing:.06em;padding:4px 8px;border-radius:7px;}
.card-done{position:absolute;top:11px;left:11px;background:#2fae72;color:#fff;font-size:10px;font-weight:800;padding:4px 8px;border-radius:7px;}
.card-body{padding:15px 16px 18px;display:flex;flex-direction:column;gap:5px;}
.card-eyebrow{display:flex;align-items:center;justify-content:space-between;font-size:11px;font-weight:800;}
.card-no{color:var(--brand-main);letter-spacing:.04em;}
.card-len{color:var(--ink-soft);font-weight:700;}
.card-title{display:block;font-size:15px;}
.card-desc{color:var(--ink-soft);font-size:13px;}
.lesson-card.is-done{border-color:#bfe6d2;}
.lesson-card.is-done .card-thumb{filter:saturate(.85);}

/* ===== Modal ===== */
.lesson-modal{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;padding:24px;}
.lesson-modal[hidden]{display:none;}
.lesson-modal__overlay{position:absolute;inset:0;background:rgba(20,18,45,.55);backdrop-filter:blur(2px);}
.lesson-modal__panel{
  position:relative;background:#fff;border-radius:18px;width:100%;max-width:760px;max-height:90vh;
  overflow:auto;box-shadow:0 30px 70px rgba(0,0,0,.3);
}
.lesson-modal__close{
  position:absolute;top:14px;right:16px;border:none;background:#f2f0fb;width:34px;height:34px;border-radius:50%;
  cursor:pointer;font-size:14px;color:var(--ink-soft);z-index:2;
}
.lesson-modal__close:hover{background:var(--brand-main);color:#fff;}
.lesson-modal__body{padding:32px 32px 36px;width:100%;}
.lesson-modal__body p,.lesson-modal__body ul,.lesson-modal__body figure,.lesson-modal__body h3{width:100%;}
.modal-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap;}
.modal-badge{display:inline-block;font-size:11px;font-weight:800;padding:5px 10px;border-radius:8px;color:#fff;}
.modal-badge.is-video{background:var(--brand-main);}
.modal-badge.is-article{background:var(--brand-accent);}
.modal-crumb{font-size:12px;font-weight:700;color:var(--ink-soft);}
.modal-title{font-size:22px;margin-bottom:8px;}
.modal-desc{color:var(--ink-soft);font-size:14px;margin:0 0 18px;}
.modal-h3{font-size:15px;margin:24px 0 10px;padding-left:11px;border-left:4px solid var(--brand-main);}
.video-frame{position:relative;width:100%;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#000;}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.video-frame--soon{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2c2940,#444058);}
.video-frame--soon span{color:#fff;font-family:"Montserrat";font-weight:800;letter-spacing:.14em;opacity:.8;}
.point-list,.check-list{margin:0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:9px;}
.point-list li,.check-list li{position:relative;padding-left:28px;font-size:14px;}
.point-list li::before{content:"";position:absolute;left:6px;top:9px;width:8px;height:8px;border-radius:50%;background:var(--brand-main);}
.check-list li::before{content:"✓";position:absolute;left:2px;color:var(--brand-accent);font-weight:800;}
.article-figure{margin:0 0 6px;padding:20px 22px;background:#f7f5ff;border:1px solid #e6e2fb;border-radius:14px;}
.article-figure figcaption{font-weight:800;font-size:14px;margin-bottom:14px;color:var(--brand-main);}
.figure-steps{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.figure-step{display:flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:11px;padding:9px 13px;font-size:13px;font-weight:600;}
.figure-num{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--brand-grad);color:#fff;font-size:12px;font-weight:800;flex:0 0 22px;}
.figure-arrow{color:var(--brand-main);font-weight:800;}

/* ===== Accessibility focus ===== */
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(123,108,224,.45);outline-offset:2px;border-radius:8px;
}
.article-p{font-size:14px;color:#33384a;margin:0 0 6px;}
.modal-foot{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);}
.done-button{
  width:100%;padding:13px;border:1px solid var(--brand-main);border-radius:12px;background:#fff;
  color:var(--brand-main);font-weight:800;font-size:14px;cursor:pointer;transition:.15s;
}
.done-button:hover{background:#f2f0fb;}
.done-button.is-done{background:#2fae72;border-color:#2fae72;color:#fff;}
.done-button.is-done:hover{filter:brightness(1.04);}

/* ===== Search + filter toolbar (All lessons) ===== */
.toolbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px;}
.search-box{
  flex:1 1 280px;min-width:0;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:13px;padding:11px 14px;box-shadow:var(--shadow);
}
.search-box:focus-within{border-color:var(--brand-main);box-shadow:0 0 0 3px rgba(123,108,224,.15);}
.search-icon{color:var(--brand-main);font-size:17px;flex:0 0 auto;}
.search-box input{flex:1;min-width:0;border:none;outline:none;background:transparent;font-size:14px;color:var(--ink);}
.search-clear{border:none;background:#f2f0fb;color:var(--ink-soft);width:24px;height:24px;border-radius:50%;cursor:pointer;font-size:11px;flex:0 0 auto;}
.search-clear:hover{background:var(--brand-main);color:#fff;}
.filter-chips{display:flex;gap:8px;flex:0 0 auto;}
.chip{
  border:1px solid var(--line);background:#fff;color:var(--ink-soft);font-weight:700;font-size:13px;
  padding:9px 16px;border-radius:20px;cursor:pointer;transition:.15s;
}
.chip:hover{border-color:var(--brand-main);color:var(--brand-main);}
.chip.is-on{background:var(--brand-grad);border-color:transparent;color:#fff;box-shadow:0 6px 16px rgba(123,108,224,.28);}
.result-count{font-size:13px;color:var(--ink-soft);font-weight:700;margin:0 0 14px;}

.empty-state{
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:48px 24px;
}
.empty-icon{font-size:34px;color:var(--brand-main);opacity:.7;}
.empty-state strong{font-size:16px;}
.empty-state span{color:var(--ink-soft);font-size:13px;max-width:380px;}
.empty-reset{margin-top:8px;border:1px solid var(--brand-main);background:#fff;color:var(--brand-main);font-weight:800;font-size:13px;padding:10px 18px;border-radius:11px;cursor:pointer;}
.empty-reset:hover{background:#f2f0fb;}

/* ===== Benefits ===== */
.benefit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;}
.benefit-grid--teaser{grid-template-columns:repeat(3,1fr);}
.benefit-card{
  display:flex;flex-direction:column;gap:7px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:.18s;
}
.benefit-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#d8d3f5;}
.benefit-icon{
  width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  font-size:19px;color:#fff;background:var(--brand-grad);margin-bottom:4px;
}
.benefit-card strong{font-size:15px;}
.benefit-card span{color:var(--ink-soft);font-size:13px;}

.cta-band{
  margin-top:26px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  background:var(--brand-grad);color:#fff;border-radius:var(--radius);padding:24px 26px;
  box-shadow:0 16px 38px rgba(123,108,224,.28);
}
.cta-band strong{display:block;font-size:17px;}
.cta-band span{font-size:13px;opacity:.92;}
.cta-button{background:#fff;color:var(--brand-main);font-weight:800;font-size:14px;padding:12px 22px;border-radius:12px;white-space:nowrap;}
.cta-button:hover{filter:brightness(.97);}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);}
.faq-item summary{
  display:flex;align-items:center;gap:13px;padding:17px 20px;cursor:pointer;list-style:none;font-weight:700;font-size:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-q-mark{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-grad);color:#fff;font-family:"Montserrat",sans-serif;font-weight:900;font-size:13px;
}
.faq-q{flex:1;min-width:0;}
.faq-chevron{color:var(--brand-main);font-size:18px;transition:transform .2s;flex:0 0 auto;}
.faq-item[open] .faq-chevron{transform:rotate(180deg);}
.faq-a{padding:0 20px 18px 59px;color:var(--ink-soft);font-size:13px;line-height:1.8;}

/* ===== Lesson tags ===== */
.modal-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.tag{font-size:12px;font-weight:700;color:var(--brand-main);background:#f1eefc;border-radius:20px;padding:4px 12px;}

/* ===== Responsive ===== */
@media (max-width:900px){
  .login-hero{display:none;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .benefit-grid--teaser{grid-template-columns:1fr;}
}
@media (max-width:720px){
  .menu-toggle{display:inline-block;}
  .topbar-search-text{display:none;}
  .topbar-search{padding:8px 11px;margin-left:auto;}
  .stat-row{gap:10px;}
  .stat-card{padding:13px 14px;}
  .stat-value{font-size:19px;}
  .toolbar{gap:10px;}
  .filter-chips{flex:1 1 100%;}
  .chip{flex:1;text-align:center;}
  .benefit-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .faq-a{padding-left:20px;}
  .sidebar{
    position:fixed;top:0;left:0;height:100vh;z-index:40;transform:translateX(-100%);
    transition:transform .22s ease;box-shadow:6px 0 24px rgba(0,0,0,.12);width:248px;flex-basis:248px;
  }
  body.nav-open .sidebar{transform:translateX(0);}
  body.nav-open .content::after{content:"";position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:30;}
  .content{width:100%;min-width:0;}
  .topbar{padding:13px 16px;}
  .view-host{padding:20px 16px 50px;}
  .hero{flex-direction:column;align-items:flex-start;padding:24px 20px;gap:18px;}
  .hero h1{font-size:20px;overflow-wrap:anywhere;}
  .hero-tagline{overflow-wrap:anywhere;}
  .hero-progress{align-self:stretch;justify-content:flex-start;}
  .topbar-user{display:none;}
  .resume-card{flex-wrap:wrap;}
  .resume-text{flex:1 1 100%;order:2;}
  .resume-thumb{order:1;}
  .resume-go{order:3;margin-left:auto;}
  .course-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
  .card-thumb{height:104px;}
  .card-thumb .thumb-icon{font-size:30px;}
  .card-body{padding:12px 13px 15px;}
  .card-title{font-size:14px;}
  .cat-head{flex-direction:column;align-items:stretch;}
  .cat-head-progress{min-width:0;width:100%;}
  .article-figure{overflow:hidden;}
  .figure-steps{flex-direction:column;align-items:stretch;}
  .figure-arrow{display:none;}
  .figure-step{max-width:100%;overflow-wrap:anywhere;}
  .lesson-modal__body *{max-width:100%;}
  .resume-card{align-items:flex-start;}
  .notice{flex-direction:column;gap:6px;}
  .notice-meta{flex-direction:row;align-items:center;gap:8px;flex-basis:auto;}
  .lesson-modal{padding:0;align-items:stretch;}
  .lesson-modal__panel{width:100%;max-width:100vw;max-height:100vh;border-radius:0;flex:1 1 auto;}
  .lesson-modal__body{padding:24px 18px 32px;}
}
@media (max-width:420px){
  .card-grid{grid-template-columns:1fr;}
  .card-thumb{height:128px;}
}