:root{
    --radius: 16px;
  }
  html[data-theme="clean"]{
    --primary:#6C7AE0; --primary-dark:#4E5DC7; --primary-light:#AEB8F2; --primary-tint:#EEF0FC;
    --accent:#F2A65A; --accent-dark:#E0894A;
    --ink:#2B2D3A; --ink-soft:#5B5E70; --bg:#FFFFFF; --bg-soft:#F7F8FD; --line:#E5E8F5; --card:#FFFFFF;
    --header-bg: rgba(255,255,255,.85);
    --hero-grad: linear-gradient(160deg,#EDEFFD 0%, #DCE0FA 45%, #C7CEF6 100%);
    --achv-grad: linear-gradient(160deg,#F2F3FE,#fff);
  }
  html[data-theme="pop"]{
    --primary:#E85D9E; --primary-dark:#D14488; --primary-light:#F7B8D6; --primary-tint:#FDECF4;
    --accent:#A66DD4; --accent-dark:#8B4FC2;
    --ink:#2B2D3A; --ink-soft:#5B5E70; --bg:#FFFFFF; --bg-soft:#FFF5FA; --line:#F5DCEA; --card:#FFFFFF;
    --header-bg: rgba(255,255,255,.85);
    --hero-grad: linear-gradient(160deg,#FFE3F0 0%,#FFD1E8 45%,#FFB8DC 100%);
    --achv-grad: linear-gradient(160deg,#FFF0F7,#fff);
  }
  html[data-theme="dark"]{
    --primary:#8B9AFF; --primary-dark:#B9C4FF; --primary-light:#4A4F8A; --primary-tint:rgba(139,154,255,0.14);
    --accent:#FFB86B; --accent-dark:#FFA24C;
    --ink:#ECEDF7; --ink-soft:#A7ABC9; --bg:#12142A; --bg-soft:#191C38; --line:rgba(255,255,255,.08); --card:#1E2140;
    --header-bg: rgba(18,20,42,.75);
    --hero-grad: linear-gradient(160deg,#171A38 0%,#1E2148 50%,#262A5C 100%);
    --achv-grad: linear-gradient(160deg,#181B3A,#12142A);
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family: "M PLUS Rounded 1c", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
    color:var(--ink);
    background:var(--bg);
    line-height:1.8;
    overflow-x:hidden;
    transition:background .4s ease, color .4s ease;
  }
  a{color:inherit;text-decoration:none;}
  ul{list-style:none;}
  img,svg{display:block;max-width:100%;}
  section{padding:96px 20px;scroll-margin-top:72px;}
  .container{max-width:1080px;margin:0 auto;}
  .eyebrow{
    display:inline-block;color:var(--primary-dark);font-weight:700;letter-spacing:.08em;
    font-size:.85rem;background:var(--primary-tint);padding:6px 16px;border-radius:999px;margin-bottom:16px;
    transition:background .4s,color .4s;
  }
  /* Astra applies its own hardcoded heading color (unaware of our data-theme dark mode), which
     otherwise silently overrides the inherited --ink color and makes headings nearly invisible
     in dark mode. Setting it explicitly here, not just relying on inheritance, fixes that. */
  h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:12px;color:var(--ink)!important;}
  .lead{color:var(--ink-soft);max-width:900px;margin-bottom:48px;}
  .btn{
    display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:999px;
    font-weight:700;transition:transform .2s ease, box-shadow .2s ease, background .4s; cursor:pointer;border:none;font-size:1rem;
  }
  .btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(224,137,74,.35);}
  .btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(224,137,74,.45);}
  .btn-outline{background:var(--card);color:var(--primary-dark);border:2px solid var(--primary-light);}
  .btn-outline:hover{border-color:var(--primary-dark);transform:translateY(-3px);}

  /* Header */
  header.site-header{
    position:fixed;top:0;left:0;right:0;z-index:100;
    background:var(--header-bg);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);transition:background .4s;
  }
  .nav-wrap{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;}
  .logo{font-weight:800;font-size:1.3rem;color:var(--primary-dark);letter-spacing:.02em;}
  .logo span{color:var(--accent-dark);}
  nav.main-nav ul{display:flex;gap:6px;flex-wrap:wrap;}
  nav.main-nav a{
    padding:10px 14px;border-radius:999px;font-size:.92rem;font-weight:600;color:var(--ink-soft);
    transition:background .2s, color .2s;
  }
  nav.main-nav a:hover, nav.main-nav a.active{background:var(--primary-tint);color:var(--primary-dark);}
  nav.main-nav a.nav-member{background:var(--accent);color:#fff;}
  nav.main-nav a.nav-member:hover{background:var(--accent-dark);color:#fff;}
  .hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;}
  .hamburger span{width:24px;height:2px;background:var(--ink);border-radius:2px;}

  /* Hero */
  #hero{
    position:relative;padding:170px 20px 140px;
    background:var(--bg) var(--hero-bg-url) center/cover no-repeat;
    overflow:hidden;transition:background .4s;
  }
  #hero .hero-flex{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;max-width:1080px;margin:0 auto;}
  #hero .hero-inner{max-width:600px;}
  #hero h1{font-size:clamp(1.7rem,3.6vw,2.6rem);font-weight:800;margin-bottom:20px;color:var(--ink);}
  #hero h1 em{font-style:normal;color:var(--primary-dark);}
  #hero p.lead{font-size:1.05rem;margin-bottom:36px;color:var(--ink-soft);}
  .hero-ctas{display:flex;gap:16px;flex-wrap:wrap;}

  /* Mascot */
  .logo-img{height:52px;width:auto;display:block;}
  .mascot-wrap{flex:none;width:320px;text-align:center;position:relative;}
  .mascot-wrap.docked{
    position:fixed;right:20px;bottom:20px;width:140px;z-index:60;
    text-align:left;
  }
  /* Astra ships its own default "scroll to top" button in the same bottom-right corner —
     a plain blue circle unrelated to the mascot — which reads as a second, stray blue square
     next to the docked mascot. Hide it since the mascot itself now does that job. */
  #scroll-top, .ast-scroll-top-icon, .ast-scroll-to-top-right, .ast-scroll-to-top-left{
    display:none!important;
  }
  .mascot-hint{
    position:absolute;white-space:nowrap;background:#fff;color:var(--ink);
    padding:6px 14px;border-radius:999px;font-size:.8rem;font-weight:700;
    box-shadow:0 4px 14px rgba(0,0,0,.14);opacity:0;pointer-events:none;
    transition:opacity .2s ease, transform .2s ease;
  }
  .mascot-hint-hero{
    left:50%;bottom:100%;transform:translateX(-50%) translateY(8px);margin-bottom:10px;
  }
  .mascot-wrap:not(.docked):hover .mascot-hint-hero{opacity:1;transform:translateX(-50%) translateY(0);}
  .mascot-hint-docked{
    right:100%;top:50%;transform:translateY(-50%) translateX(-8px);margin-right:8px;
  }
  .mascot-wrap.docked:hover .mascot-hint-docked{opacity:1;transform:translateY(-50%) translateX(0);}
  .mascot-wrap.docked .mascot-hint-hero, .mascot-wrap:not(.docked) .mascot-hint-docked{display:none;}
  .mascot-btn{background:none!important;border:none!important;cursor:pointer;padding:0!important;margin:0;display:block;width:100%;outline:none;box-shadow:none!important;}
  .mascot-btn:hover, .mascot-btn:focus, .mascot-btn:active{background:none!important;border:none!important;outline:none;box-shadow:none!important;}
  .mascot-stage{
    position:relative;display:block;width:100%;aspect-ratio:315/271;
    animation:mascotFloat 3.4s ease-in-out infinite;transition:filter .15s;
    background:none!important;
  }
  .mascot-btn:hover .mascot-stage{filter:brightness(1.05);}
  @keyframes mascotFloat{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-20px) rotate(2deg)}}
  /* Mascot is a single external <img> whose src is swapped on click (matching the original
     prototype) — no inlined SVG, no per-part CSS animation, nothing that can move the art
     away from its source file. */
  .mascot{display:block;width:100%;height:100%;}

  /* Reveal on scroll */
  .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease, transform .7s ease;}
  .reveal.in{opacity:1;transform:translateY(0);}

  /* Scroll-linked background: a fixed full-viewport layer behind the content.
     Sections themselves are transparent so this shows through; cards keep var(--card) so text stays readable. */
  .scroll-bg{
    position:fixed;inset:0;z-index:-1;
    background-color:var(--bg);
    transition:background-color .6s ease;
  }

  /* News */
  #news{background:var(--bg-soft);transition:background .4s;}
  .news-top{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:20px;margin-bottom:28px;}
  .calendar-banner-subtle{
    display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);
    color:var(--ink);padding:20px 24px;border-radius:var(--radius);margin-bottom:14px;font-size:1rem;font-weight:700;
  }
  .calendar-banner-subtle .cal-dot{flex:none;width:9px;height:9px;border-radius:50%;background:var(--accent);}
  .calendar-banner-subtle a{margin-left:auto;flex:none;color:var(--primary-dark);font-weight:700;font-size:.88rem;white-space:nowrap;}

  .news-list{display:grid;gap:14px;}
  .news-item{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
    transition:box-shadow .2s, background .4s;
  }
  .news-item:hover{box-shadow:0 8px 30px rgba(76,90,200,.12);}
  .news-item summary{
    list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;gap:20px;
  }
  .news-item summary::-webkit-details-marker{display:none;}
  .news-item summary .news-date{flex:none;width:100px;color:var(--primary-dark);font-weight:700;font-size:.88rem;}
  .news-item summary .news-title{font-weight:700;flex:1;}
  .news-item summary .chevron{flex:none;color:var(--primary);transition:transform .25s;}
  .news-item[open] summary .chevron{transform:rotate(180deg);}
  .news-item .news-desc{padding:0 24px 22px 144px;color:var(--ink-soft);font-size:.92rem;}
  .news-more{text-align:center;margin-top:32px;}

  /* Concept */
  .concept-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .concept-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;
    transition:transform .25s, box-shadow .25s, background .4s;
  }
  .concept-card:hover{transform:translateY(-6px);box-shadow:0 8px 30px rgba(76,90,200,.12);}
  .concept-head{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
  .concept-img{width:60px;height:60px;object-fit:contain;flex:none;background:var(--primary-tint);border-radius:14px;padding:6px;}
  .concept-card h3{font-size:1.1rem;}
  .concept-card p{color:var(--ink-soft);font-size:.94rem;}

  /* School + Scene merged */
  #school{background:var(--bg-soft);transition:background .4s;}
  .school-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start;}
  .school-video{width:100%;border-radius:var(--radius);background:#000;aspect-ratio:16/9;}
  .school-sub{font-size:.95rem;color:var(--primary-dark);margin-bottom:12px;}
  .name-origin{
    margin-top:22px;background:var(--card);border-left:4px solid var(--accent);border-radius:10px;
    padding:18px 20px;font-size:.92rem;color:var(--ink-soft);
  }
  .photo-note{font-size:.8rem;color:var(--ink-soft);background:var(--primary-tint);padding:10px 14px;border-radius:10px;margin-top:14px;}

  /* Courses */
  .course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:48px;}
  .course-card{
    background:var(--course-tint,var(--card));border:1px solid var(--line);border-top:4px solid var(--course-color,var(--line));
    border-radius:var(--radius);padding:26px 20px;
    text-align:center;position:relative;transition:transform .25s,box-shadow .25s, background .4s;
  }
  .course-card:hover{transform:translateY(-6px);box-shadow:0 8px 30px rgba(76,90,200,.12);}
  .course-tag{
    position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--course-color,var(--accent));color:#fff;
    font-size:.72rem;font-weight:700;padding:4px 12px;border-radius:999px;
  }
  .course-card h3{font-size:1.05rem;margin:10px 0 6px;}
  .course-age{color:var(--ink-soft);font-size:.82rem;margin-bottom:14px;white-space:nowrap;}
  .course-price{font-size:1.4rem;font-weight:800;color:var(--primary-dark);}
  .course-price span{font-size:.8rem;font-weight:600;color:var(--ink-soft);}
  .course-note{color:var(--ink-soft);font-size:.82rem;margin-top:10px;}
  .course-detail-btn{
    display:inline-block;margin-top:16px;padding:8px 18px;border-radius:999px;
    color:#fff;font-weight:700;font-size:.85rem;
  }
  .course-detail-info{
    display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;
  }
  .course-detail-info div{
    flex:1;min-width:120px;background:#fff;border-radius:14px;padding:12px 14px;
    box-shadow:0 2px 10px rgba(0,0,0,.08);font-size:.9rem;font-weight:700;color:#2B2D3A;
  }
  .course-detail-info span{display:block;color:#7A7D93;font-size:.72rem;font-weight:700;margin-bottom:4px;}
  .course-extra-heading{font-size:1.1rem;font-weight:800;margin:8px 0 16px;color:var(--ink);}
  .course-extra{
    display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:20px;
    font-size:.88rem;color:var(--ink-soft);
  }
  .extra-card{
    display:flex;gap:14px;background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius);padding:20px;
  }
  .extra-icon{font-size:1.6rem;flex:none;line-height:1;}
  .extra-card strong{color:var(--ink);display:block;margin-bottom:6px;}
  .extra-card p{margin:0;}
  .info-single{background:var(--bg-soft);border-radius:var(--radius);padding:22px;font-size:.88rem;color:var(--ink-soft);transition:background .4s;}
  .info-single ul{margin:0;padding-left:1.2em;}
  .info-single li{margin:6px 0;}

  /* Trial */
  #trial{background:transparent;transition:background .4s;}

  /* Course carousel: vertical scroll is hijacked while pinned, translating into horizontal panel movement */
  .carousel-pin-wrap{position:relative;height:300vh;margin:64px 0;}
  .carousel-sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center;}
  .carousel-track{display:flex;flex:none;width:300%;height:min(560px,80vh);will-change:transform;}
  .carousel-panel{
    width:calc(100% / 3);height:100%;display:flex;align-items:center;justify-content:center;gap:40px;
    padding:0 60px;opacity:.32;transform:scale(.88);transition:opacity .3s ease, transform .3s ease;
  }
  .carousel-panel.active{opacity:1;transform:scale(1);}
  .carousel-panel-inner{flex:1 1 0;min-width:0;max-width:460px;}
  .carousel-panel-inner h3{font-size:1.5rem;font-weight:800;margin-bottom:12px;display:inline-block;}
  .carousel-panel.active .carousel-panel-inner h3{
    color:var(--step-color,var(--primary));background:#fff;border:2px solid var(--step-color,var(--primary));
    padding:4px 18px;border-radius:999px;font-size:1.15rem;
  }
  .carousel-panel-inner p{color:var(--ink-soft);font-size:.94rem;}
  .carousel-track.on-dark .carousel-panel:not(.active) .carousel-panel-inner h3{color:#fff;}
  .carousel-track.on-dark .carousel-panel-inner p{color:rgba(255,255,255,.92);}
  .carousel-track.on-light-course .carousel-panel:not(.active) .carousel-panel-inner h3{color:#5B5E70;}
  .carousel-track.on-light-course .carousel-panel-inner p{color:#5B5E70;}
  .carousel-panel-visual{
    flex:none;width:340px;height:320px;border-radius:var(--radius);background:var(--card);
    border:1px solid var(--line);overflow:hidden;box-shadow:0 8px 30px rgba(76,90,200,.12);
    display:flex;align-items:center;justify-content:center;padding:20px;
  }
  .carousel-panel-visual img{width:100%;height:100%;object-fit:contain;}
  .carousel-nav{
    position:absolute;top:50%;transform:translateY(-50%);
    box-sizing:border-box!important;width:44px!important;height:44px!important;min-width:0!important;
    padding:0!important;margin:0!important;border-radius:50%!important;
    display:flex!important;align-items:center;justify-content:center;
    background:var(--card)!important;border:1px solid var(--line)!important;box-shadow:0 4px 16px rgba(0,0,0,.12);
    font-size:1.5rem;line-height:1;color:var(--ink)!important;cursor:pointer;z-index:2;
    outline:none;
  }
  .carousel-nav:hover, .carousel-nav:focus, .carousel-nav:active{
    background:var(--card)!important;color:var(--ink)!important;outline:none;box-shadow:0 4px 16px rgba(0,0,0,.12);
  }
  .carousel-nav.prev{left:16px;}
  .carousel-nav.next{right:16px;}
  .carousel-nav:disabled{opacity:.3;cursor:default;}
  .carousel-dots{position:absolute;left:50%;bottom:6%;transform:translateX(-50%);display:flex;gap:8px;z-index:2;}
  .carousel-dot{width:8px;height:8px;border-radius:50%;background:var(--line);transition:background .3s,transform .3s;}
  .carousel-dot.active{background:var(--primary);transform:scale(1.3);}
  @media (max-width:900px){
    .carousel-pin-wrap{height:auto;margin:20px 0;}
    .carousel-sticky{position:static;height:auto;overflow:visible;display:block;}
    .carousel-track{display:block;width:100%;height:auto;transform:none !important;}
    .carousel-panel{
      width:100%;opacity:1;transform:none;flex-direction:column;gap:20px;padding:24px 0;
      border-bottom:1px solid var(--line);
    }
    .carousel-panel:last-child{border-bottom:none;}
    .carousel-panel-visual{width:100%;max-width:340px;}
    .carousel-nav, .carousel-dots{display:none;}
    .course-detail-info{margin-top:18px;}
  }

  /* Partner / RadianTech services */
  .partner-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
  .partner-card{
    display:flex;gap:16px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    padding:28px;text-align:left;
  }
  .partner-icon{font-size:1.8rem;flex:none;line-height:1;}
  .partner-card h3{font-size:1.05rem;margin-bottom:10px;}
  .partner-card p{color:var(--ink-soft);font-size:.9rem;margin-bottom:18px;}

  /* Achievements + testimonials */
  #achievements{background:var(--achv-grad);transition:background .4s;}
  .cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:32px 0 48px;}
  .cert-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:background .4s;}
  .cert-card h3{font-size:1rem;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;}
  .cert-total{font-size:.78rem;font-weight:700;color:#fff;background:var(--primary);padding:4px 10px;border-radius:999px;white-space:nowrap;}
  .cert-list li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:.9rem;color:var(--ink-soft);}
  .cert-list li:last-child{border-bottom:none;}
  .cert-list strong{color:var(--primary-dark);font-weight:800;}
  .testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .testi-card{
    background:var(--card);border:1px dashed var(--primary-light);border-radius:var(--radius);padding:24px;
    font-size:.88rem;color:var(--ink-soft);position:relative;transition:background .4s;
  }
  .testi-card .quote-mark{font-size:1.1rem;letter-spacing:2px;margin-bottom:10px;}
  .testi-card .who{margin-top:14px;font-weight:700;color:var(--ink);font-size:.82rem;}

  /* Access */
  #access h2{margin-bottom:28px;}
  .access-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
  .map-embed{
    width:100%;aspect-ratio:4/3;border-radius:var(--radius);border:1px solid var(--line);
  }
  .access-info dt{font-weight:700;color:var(--primary-dark);margin-top:16px;font-size:.9rem;}
  .access-info dd{color:var(--ink-soft);font-size:.92rem;}

  /* Contact */
  #contact{background:var(--bg-soft);transition:background .4s;}
  .contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;}
  form.contact-form, .contact-form.wpcf7-wrap{background:var(--card);border-radius:var(--radius);padding:32px;box-shadow:0 8px 30px rgba(76,90,200,.12);transition:background .4s;}
  .field label{display:block;font-size:.85rem;font-weight:700;margin-bottom:6px;color:var(--ink);}
  .field input,.field textarea,.field select{
    width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);font-size:.92rem;font-family:inherit;
    background:var(--card);color:var(--ink);
  }
  /* Contact Form 7's own generated markup, styled to match the rest of the form */
  .wpcf7-wrap .wpcf7-form{display:grid;gap:16px;}
  .wpcf7-wrap .wpcf7-form > p{margin:0;}
  .wpcf7-wrap label{display:block;font-size:.85rem;font-weight:700;margin-bottom:6px;color:var(--ink);}
  .wpcf7-wrap input[type="text"], .wpcf7-wrap input[type="tel"], .wpcf7-wrap input[type="email"], .wpcf7-wrap textarea{
    width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);font-size:.92rem;font-family:inherit;
    background:var(--card);color:var(--ink);box-sizing:border-box;
  }
  /* radio choices sit in one compact row (matching the prototype's single-line dropdown height)
     while the long confirmation checkbox keeps its own full-width line */
  .wpcf7-wrap .wpcf7-form-control.wpcf7-radio{display:flex;flex-wrap:wrap;gap:6px 18px;}
  .wpcf7-wrap .wpcf7-radio .wpcf7-list-item{display:inline-flex;align-items:center;margin:0;font-size:.9rem;color:var(--ink-soft);}
  .wpcf7-wrap .wpcf7-checkbox .wpcf7-list-item{display:block;margin:0;font-size:.85rem;color:var(--ink-soft);}
  .wpcf7-wrap .wpcf7-radio input, .wpcf7-wrap .wpcf7-checkbox input{margin-right:6px;}
  .wpcf7-wrap textarea{min-height:90px;}
  .wpcf7-wrap input[type="submit"]{
    display:inline-block;padding:12px 28px;border-radius:999px;border:none;cursor:pointer;
    background:var(--accent,#F2A65A);color:#fff;font-weight:700;font-size:.95rem;font-family:inherit;
  }
  .wpcf7-wrap input[type="submit"]:hover, .wpcf7-wrap input[type="submit"]:focus{background:var(--accent-dark,#E0894A);color:#fff;outline:none;}
  .wpcf7-wrap .wpcf7-not-valid-tip{color:#D14444;font-size:.8rem;margin-top:4px;}
  .wpcf7-wrap .wpcf7-response-output{border-radius:10px;margin-top:16px;font-size:.88rem;}
  .other-contact{background:var(--card);border-radius:var(--radius);padding:28px;box-shadow:0 8px 30px rgba(76,90,200,.12);transition:background .4s;}
  .line-block-link{display:block;text-decoration:none;color:inherit;}
  .line-label{display:flex;align-items:center;gap:8px;font-weight:700;font-size:.92rem;color:var(--ink);margin-bottom:12px;}
  .line-badge{background:#06C755;color:#fff;font-size:.68rem;font-weight:800;padding:3px 7px;border-radius:5px;letter-spacing:.02em;}
  .line-qr{display:flex;align-items:center;gap:18px;font-size:.88rem;color:var(--ink-soft);}
  .line-caption{max-width:180px;}
  .line-qr-crop{width:140px;height:130px;overflow:hidden;border-radius:10px;border:1px solid var(--line);flex:none;}
  .line-qr-crop img{width:140px;height:auto;display:block;margin-top:-51px;}
  .tel-card{
    display:flex;align-items:center;gap:14px;padding:16px;border-radius:var(--radius);
    background:var(--primary-tint);margin-bottom:20px;font-size:.9rem;color:var(--ink);
  }
  .tel-icon{font-size:1.6rem;flex:none;}
  .tel-card strong{font-size:1.1rem;color:var(--primary-dark);}
  .insta-card{
    display:flex;align-items:center;gap:14px;padding:16px;border-radius:var(--radius);margin-top:20px;
    background:linear-gradient(135deg,#feda75,#fa7e1e,#d62976,#962fbf,#4f5bd5);color:#fff;font-size:.9rem;
    transition:transform .2s ease, box-shadow .2s ease;
  }
  .insta-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(214,41,118,.35);}
  .insta-icon{font-size:1.6rem;flex:none;}
  .insta-card strong{font-size:1.05rem;}
  .insta-arrow{margin-left:auto;font-size:1.1rem;}

  /* Footer */
  footer{background:#20223A;color:#C9CCE6;padding:56px 20px 28px;}
  .footer-grid{display:grid;grid-template-columns:2fr 1fr;gap:40px;max-width:1080px;margin:0 auto;}
  .footer-grid-sitemap{grid-template-columns:1fr 1fr 1fr;}
  footer h4{color:#fff;font-size:.95rem;margin-bottom:14px;}
  footer li{padding:6px 0;font-size:.88rem;}
  footer a:hover{color:#fff;}
  .footer-bottom{
    max-width:1080px;margin:36px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
    font-size:.78rem;color:#8286AC;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  }

  /* Full-screen smoke burst: click the mascot, smoke covers the screen, then clears to reveal the new colors */
  .smoke-overlay{position:fixed;inset:0;z-index:9999;pointer-events:none;overflow:hidden;--origin-x:50%;--origin-y:50%;}
  .smoke-puff{
    position:absolute;top:var(--origin-y);left:var(--origin-x);width:150vmax;height:150vmax;border-radius:50%;
    background:radial-gradient(circle, rgba(180,182,192,.32), rgba(180,182,192,.22) 55%, rgba(180,182,192,0) 75%);
    transform:translate(-50%,-50%) scale(0);opacity:0;
  }
  .smoke-overlay.burst .smoke-puff{animation:smokeBurst .9s ease-out forwards;}
  @keyframes smokeBurst{
    0%{transform:translate(-50%,-50%) scale(0);opacity:0;}
    22%{opacity:1;}
    55%{transform:translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(1);opacity:1;}
    100%{transform:translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(1.35);opacity:0;}
  }

  @media (max-width:900px){
    .concept-grid,.course-grid,.cert-grid,.testi-grid{grid-template-columns:repeat(2,1fr);}
    .school-grid,.access-grid,.contact-grid,.course-extra,.partner-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .mascot-wrap{width:220px;}
    .calendar-banner-subtle a{display:none;}
  }
  @media (max-width:680px){
    nav.main-nav{
      position:fixed;top:60px;left:0;right:0;background:var(--card);border-bottom:1px solid var(--line);
      max-height:0;overflow:hidden;transition:max-height .3s ease;
    }
    nav.main-nav.open{max-height:80vh;overflow-y:auto;}
    nav.main-nav ul{flex-direction:column;padding:10px 20px;}
    .hamburger{display:flex;}
    .concept-grid,.course-grid,.cert-grid,.testi-grid{grid-template-columns:1fr;}
    section{padding:64px 18px;}
    .hero-flex{flex-direction:column;text-align:center;}
    .hero-ctas{justify-content:center;}
    .mascot-wrap{width:230px;}
    .news-item summary{flex-wrap:wrap;}
    .news-item .news-desc{padding-left:24px;}
  }