[data-lang]{display:inline}body.lang-ja [data-lang=en],body.lang-en [data-lang=ja]{display:none}body:not(.lang-ja):not(.lang-en) [data-lang=ja]{display:none}.lrn-hero[data-astro-cid-z56hpllo]{position:relative;padding:var(--hero-top) clamp(20px,5vw,56px) 56px;background:linear-gradient(180deg,var(--bg-top) 0%,var(--bg-bottom) 100%);overflow:hidden}.lrn-hero-inner[data-astro-cid-z56hpllo]{position:relative;max-width:880px;margin:0 auto;text-align:center;z-index:1}.lrn-cap[data-astro-cid-z56hpllo]{display:block;margin:0 auto 20px;background:transparent;border:0;color:var(--brand-blue-deep)}.lrn-cap[data-astro-cid-z56hpllo] svg[data-astro-cid-z56hpllo]{width:72px;height:72px;display:block;margin:0 auto}.lrn-kicker[data-astro-cid-z56hpllo]{display:block;font-family:Inter,Noto Sans JP,sans-serif;font-size:.75rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-blue-deep);margin-bottom:18px}.lrn-title[data-astro-cid-z56hpllo]{font-family:"Instrument Serif","Noto Serif JP",Georgia,serif;font-weight:400;font-size:clamp(2.25rem,5.2vw,3.75rem);line-height:1.08;letter-spacing:-.02em;color:var(--ink-strong);margin:0 0 22px}.lrn-title[data-astro-cid-z56hpllo] em[data-astro-cid-z56hpllo]{font-style:italic;color:var(--brand-blue-deep)}body.lang-ja .lrn-title[data-astro-cid-z56hpllo]{font-family:"Noto Serif JP",serif;font-weight:700;font-size:clamp(1.625rem,4vw,2.75rem);line-height:1.22;letter-spacing:.005em}body.lang-ja .lrn-title[data-astro-cid-z56hpllo] em[data-astro-cid-z56hpllo]{font-style:normal}.lrn-lede[data-astro-cid-z56hpllo]{font-family:Inter,Noto Sans JP,sans-serif;font-size:.96875rem;line-height:1.7;color:var(--ink-secondary);margin:0;max-width:720px;margin-inline:auto}.lrn-hero[data-astro-cid-z56hpllo]:before,.lrn-hero[data-astro-cid-z56hpllo]:after{content:"";position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none;z-index:0}.lrn-hero[data-astro-cid-z56hpllo]:before{width:420px;height:420px;top:-100px;left:-120px;background:radial-gradient(ellipse,rgba(200,222,240,.55),transparent 70%)}.lrn-hero[data-astro-cid-z56hpllo]:after{width:380px;height:380px;bottom:-120px;right:-100px;background:radial-gradient(ellipse,rgba(216,240,226,.55),transparent 70%)}.lrn-grid-section[data-astro-cid-z56hpllo]{padding:64px clamp(20px,5vw,56px) clamp(12rem,18vw,18rem);background:var(--bg-top)}.lrn-grid-inner[data-astro-cid-z56hpllo]{max-width:var(--container-max, 1200px);margin:0 auto}.lrn-grid[data-astro-cid-z56hpllo]{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}@media(max-width:1000px){.lrn-grid[data-astro-cid-z56hpllo]{grid-template-columns:1fr 1fr}}@media(max-width:640px){.lrn-grid[data-astro-cid-z56hpllo]{grid-template-columns:1fr}}.lrn-card[data-astro-cid-z56hpllo]{display:flex;flex-direction:column;padding:32px 28px 30px;background:var(--surface);border:1px solid var(--border);border-radius:20px;text-decoration:none;color:inherit;position:relative;overflow:hidden;transition:transform .35s var(--ease-out-soft),border-color .25s var(--ease-out-soft),box-shadow .35s var(--ease-out-soft)}.lrn-card[data-astro-cid-z56hpllo]:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--lrn-accent, var(--brand-blue));opacity:.85;transition:opacity .25s var(--ease-out-soft)}.lrn-card--blue[data-astro-cid-z56hpllo]{--lrn-accent: var(--brand-blue)}.lrn-card--green[data-astro-cid-z56hpllo]{--lrn-accent: #2D6A4F}.lrn-card--yellow[data-astro-cid-z56hpllo]{--lrn-accent: #B58A1A}a[data-astro-cid-z56hpllo].lrn-card--live{cursor:pointer}a[data-astro-cid-z56hpllo].lrn-card--live:hover{transform:translateY(-4px);border-color:var(--lrn-accent, var(--brand-blue));box-shadow:0 18px 40px -18px #0f233c47}a[data-astro-cid-z56hpllo].lrn-card--live:hover:before{opacity:1}.lrn-card-head[data-astro-cid-z56hpllo]{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.lrn-card-kicker[data-astro-cid-z56hpllo]{font-family:Inter,Noto Sans JP,sans-serif;font-size:.6875rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--lrn-accent, var(--brand-blue-deep))}.lrn-card-soon[data-astro-cid-z56hpllo]{font-family:Inter,Noto Sans JP,sans-serif;font-size:.6875rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-secondary);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:5px 12px;white-space:nowrap}.lrn-card-soon--new[data-astro-cid-z56hpllo]{color:#2d6a4f;background:#2d6a4f1a;border-color:#2d6a4f4d}.lrn-card-title[data-astro-cid-z56hpllo]{font-family:"Noto Serif JP",serif;font-weight:700;font-size:clamp(1.375rem,2.4vw,1.75rem);line-height:1.18;color:var(--ink-strong);letter-spacing:-.01em;margin:0 0 12px}.lrn-card-body[data-astro-cid-z56hpllo]{font-family:Inter,Noto Sans JP,sans-serif;font-size:.875rem;line-height:1.65;color:var(--ink-secondary);margin:0 0 18px}.lrn-card-body[data-astro-cid-z56hpllo] code{font:600 12.5px ui-monospace,JetBrains Mono,SFMono-Regular,monospace;background:#2e6da41a;color:var(--brand-blue-deep);padding:1px 5px;border-radius:4px}.lrn-card-points[data-astro-cid-z56hpllo]{list-style:none;padding:16px 0 0;margin:auto 0 0;display:flex;flex-direction:column;gap:8px;border-top:1px dashed var(--border)}.lrn-card-points[data-astro-cid-z56hpllo] li[data-astro-cid-z56hpllo]{display:flex;align-items:flex-start;gap:9px;font-family:Inter,Noto Sans JP,sans-serif;font-size:.8125rem;line-height:1.5;color:var(--ink)}.lrn-card-dot[data-astro-cid-z56hpllo]{flex:0 0 6px;width:6px;height:6px;border-radius:50%;background:var(--lrn-accent, var(--brand-blue));margin-top:7px}