:root{--blue:#087eae;--navy:#10354b;--pale:#edf7fb;--line:#dce7ed;--muted:#586f7d}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--navy);background:#f9fcfd}a{color:var(--blue)}button,input,select,textarea{font:inherit}a,button{touch-action:manipulation}button,.button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #e3a828;outline-offset:4px}.skip{position:absolute;top:-90px;background:#fff;padding:12px;z-index:100}.skip:focus{top:0}.top{max-width:1440px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 5%}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy)}.brand strong{font-size:22px;letter-spacing:2px}.brand small{display:block;font-size:11px;letter-spacing:1.7px}.logo-slot{border:1px dashed #9abbcb;border-radius:10px;padding:12px 8px;font-size:11px;letter-spacing:1px;color:#7a94a2}.top nav{display:flex;flex-wrap:wrap;gap:22px}.top nav a{font-size:13px;font-weight:600;text-decoration:none;color:var(--navy)}.button,button{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;border:0;border-radius:9px;text-decoration:none;padding:12px 20px;font-weight:650;min-height:46px}.button.light{background:white;color:var(--navy)}.secondary{background:var(--pale);color:var(--navy)}.danger{background:#a5363f;color:#fff}.hero{background:#0b78ad;max-width:1350px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr;color:white;padding:66px 5%;border-radius:22px;overflow:hidden;gap:30px;position:relative}.eyebrow{font-size:11px;font-weight:750;letter-spacing:2.3px;margin:0 0 20px}h1{font-size:clamp(36px,4.5vw,64px);line-height:1.13;letter-spacing:-2px;margin:0 0 26px}h1 em{font-style:normal;color:#b8ebff}.lead{font-size:17px;max-width:470px;color:#e4f4fc;line-height:1.85}.actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-top:24px}.text-link{color:#fff;font-size:14px;text-underline-offset:5px}.hero-art{min-height:340px;display:flex;align-items:center;justify-content:center;position:relative;border-left:1px solid #ffffff30}.orbit{position:absolute;border:1px solid #a7ddf540;border-radius:50%;width:340px;height:340px;box-shadow:0 0 0 45px #b9eeff0a,0 0 0 90px #b9eeff05}.kana{font-size:185px;line-height:1;font-family:serif;color:#eefbff;transform:translateY(-25px)}.art-caption{position:absolute;bottom:35px;left:50%;transform:translateX(-50%);font-size:10px;letter-spacing:3px;white-space:nowrap}.art-caption b{font-size:18px;letter-spacing:0;display:block}.art-note{position:absolute;right:-55px;transform:rotate(-90deg);font-size:9px;letter-spacing:2px}.intro-strip{max-width:1250px;margin:0 auto;padding:28px 5%;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}#content{max-width:1190px;margin:auto;padding:0 24px}.section{padding:65px 0;border-bottom:1px solid var(--line);scroll-margin-top:24px}.section-head{display:flex;justify-content:space-between;gap:30px;margin-bottom:26px}.section h2{font-size:32px;line-height:1.2;letter-spacing:-.8px;margin:5px 0}.section .eyebrow{color:var(--blue);margin-bottom:12px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;overflow-wrap:anywhere}.card h3{font-size:20px;line-height:1.4;margin:10px 0}.card p{color:var(--muted);font-size:14px;white-space:pre-line}.card img{width:100%;height:200px;object-fit:cover;border-radius:8px}.tag{font-size:10px;font-weight:750;letter-spacing:1.4px;text-transform:uppercase;color:var(--blue);background:var(--pale);padding:5px 9px;border-radius:4px}.empty{color:var(--muted);padding:20px;border:1px dashed #ccdfe7;border-radius:10px;font-size:14px}.feature{display:grid;grid-template-columns:1fr 1fr;gap:35px}.feature>div:first-child{background:#e8f4fa;padding:35px;border-radius:16px}.feature p{white-space:pre-line;color:var(--muted)}details{border-bottom:1px solid var(--line);padding:20px 0}summary{cursor:pointer;font-weight:650;min-height:32px}details p{color:var(--muted);white-space:pre-line}.closing{max-width:1190px;margin:60px auto;padding:45px;background:var(--pale);border-radius:16px}.closing h2{font-size:32px;line-height:1.4}footer{display:flex;gap:25px;flex-wrap:wrap;padding:35px max(5%,24px);border-top:1px solid var(--line);font-size:12px}footer small{flex-basis:100%;color:var(--muted)}#status{max-width:1190px;margin:24px auto;color:var(--muted);padding:0 24px}#status:empty{display:none}.body-text{white-space:pre-line}.workspace{max-width:1200px;margin:20px auto;padding:0 24px}.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.tabs button{background:#e9f3f8;color:var(--navy);font-size:13px}.tabs button.active{background:var(--blue);color:white}.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{margin-bottom:16px}.field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}input,select,textarea{width:100%;padding:11px;border:1px solid #aebfcb;border-radius:8px;color:var(--navy);background:white;min-height:46px}textarea{min-height:125px;resize:vertical}.full{grid-column:1/-1}.check{display:flex;align-items:center;gap:10px;margin:8px 0}.check input{width:20px;min-height:20px}.list{display:grid;gap:15px}.row{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap}.note{background:#edf7fb;border-left:3px solid var(--blue);padding:16px;margin:15px 0;font-size:14px}.muted{color:var(--muted);font-size:13px}.bar{height:8px;background:#d9eaf2;border-radius:8px;overflow:hidden}.bar span{height:100%;display:block;background:#008eb8}.message{position:sticky;top:8px;z-index:10;background:#173d51;color:white;padding:12px 20px;border-radius:8px;max-width:800px;margin:10px auto}.message:empty{display:none}@media(max-width:1050px){.top{flex-wrap:wrap}.top nav{order:3;width:100%;justify-content:center}.hero{margin:0 18px}.hero-art{min-height:300px}.orbit{width:260px;height:260px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.art-note{display:none}}@media(max-width:650px){.top{padding:18px 20px;gap:15px}.brand strong{font-size:18px}.brand small{font-size:9px}.top>.button{font-size:12px;padding:9px 12px}.logo-slot{display:none}.top nav{justify-content:flex-start;gap:17px;overflow-x:auto;flex-wrap:nowrap;padding:5px 0}.hero{grid-template-columns:1fr;padding:34px 26px;margin:0 12px;gap:0;border-radius:16px}.hero-art{min-height:190px;border:0;overflow:hidden;margin:24px -26px -34px;background:#0871a3}.kana{font-size:120px;transform:translate(-80px,0)}.art-caption{left:60%;bottom:65px;transform:none}.orbit{width:220px;height:220px;left:0}.lead{font-size:15px}.intro-strip{padding:22px;display:grid;grid-template-columns:1fr 1fr;font-size:10px}.section{padding:40px 0}.section-head{display:block}.section h2{font-size:27px}.grid,.feature,.formgrid{grid-template-columns:1fr}.card{padding:22px}.closing{margin:25px 18px;padding:26px}.closing h2{font-size:25px}.workspace{padding:0 16px}.tabs{gap:6px}.tabs button{flex:1 1 auto;padding:9px;font-size:12px}h1{letter-spacing:-1px}.hero h1{font-size:42px}footer{gap:15px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* TC 1: one cached original photograph for every learning introduction. */
.tc1-banner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);margin:0 0 22px;border:1px solid #d7e6ed;border-radius:16px;overflow:hidden;background:#edf7fb;color:#10354b;text-align:left}
.tc1-banner img{display:block;width:100%;height:230px;object-fit:cover;object-position:56% 51%}
.tc1-banner figcaption{display:flex;flex-direction:column;justify-content:center;padding:24px;gap:10px}
.tc1-banner figcaption span{font-size:10px;font-weight:700;letter-spacing:1.8px;color:#087eae}
.tc1-banner figcaption strong{font-size:24px;line-height:1.25}
.tc1-banner figcaption small{font-size:13px;line-height:1.6;color:#526d7a}
@media(max-width:600px){.tc1-banner{grid-template-columns:1fr}.tc1-banner img{height:200px;object-position:56% 50%}.tc1-banner figcaption{padding:18px 20px;gap:7px}.tc1-banner figcaption strong{font-size:21px}}

/* The supplied TC 1 photo leads on mobile and sits beside the introduction on desktop. */
.tc1-hero{grid-template-columns:1.1fr 1fr;align-items:center;padding:36px 4%;gap:48px}
.tc1-cover{position:relative;margin:0;align-self:stretch;min-height:490px;border-radius:15px;overflow:hidden;background:#0a6389}
.tc1-cover img{display:block;width:100%;height:100%;max-height:590px;min-height:490px;object-fit:cover;object-position:54% 50%}
.tc1-cover figcaption{position:absolute;left:0;right:0;bottom:0;padding:52px 24px 24px;background:linear-gradient(transparent,rgba(8,32,47,.88));color:#fff}
.tc1-cover figcaption span{display:block;font-size:10px;letter-spacing:2px;margin-bottom:5px}
.tc1-cover figcaption strong{font-size:18px}
@media(max-width:1050px){.tc1-hero{gap:28px;padding:30px}.tc1-cover,.tc1-cover img{min-height:450px}}
@media(max-width:650px){.tc1-hero{display:flex;flex-direction:column;padding:0;gap:0;align-items:stretch}.tc1-cover{order:-1;border-radius:0;min-height:0;flex:none}.tc1-cover img{height:300px;min-height:0;max-height:none;object-position:54% 50%}.tc1-cover figcaption{padding:40px 24px 18px}.tc1-cover figcaption strong{font-size:17px}.tc1-hero .hero-copy{padding:28px 24px 32px}.tc1-hero h1{font-size:clamp(28px,8.5vw,38px);line-height:1.15;margin-bottom:18px}.tc1-hero .eyebrow{font-size:10px;letter-spacing:1.8px;margin-bottom:16px}.tc1-hero .lead{font-size:15px}.tc1-hero .actions{margin-top:20px}}