.promo-sec[data-astro-cid-tsoog7z6]{padding-block:clamp(2rem,5vw,3.5rem) 0}.promo[data-astro-cid-tsoog7z6]{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:center;gap:2rem;padding:clamp(1.5rem,4vw,2.75rem);border-radius:24px;background:var(--ink);color:#fff;text-decoration:none;border:2px solid var(--ink);box-shadow:8px 8px 0 var(--kin);transition:translate .2s var(--ease-out),box-shadow .2s var(--ease-out)}.promo[data-astro-cid-tsoog7z6]:before{content:"学";position:absolute;right:-2rem;bottom:-5rem;font-family:var(--brush);font-size:20rem;line-height:1;color:#ffffff0d;pointer-events:none}.promo[data-astro-cid-tsoog7z6]:hover{translate:-3px -3px;box-shadow:11px 11px 0 var(--kin)}.promo[data-astro-cid-tsoog7z6]:focus-visible{outline:3px solid var(--kin);outline-offset:4px}.promo-eyebrow[data-astro-cid-tsoog7z6]{display:inline-flex;gap:.5rem;align-items:center;font-weight:800;font-size:.85rem;color:var(--ink);background:var(--kin);padding:.25rem .75rem;border-radius:999px}.promo[data-astro-cid-tsoog7z6] h2[data-astro-cid-tsoog7z6]{color:#fff;font-size:var(--step-4);line-height:1.05;margin:.8rem 0 .3rem}.promo-si[data-astro-cid-tsoog7z6]{font-family:var(--font-si);font-weight:800;font-size:clamp(1.15rem,2.6vw,1.5rem);color:var(--kin);margin:0 0 .7rem}.promo-p[data-astro-cid-tsoog7z6]{margin:0 0 1.4rem;color:#ffffffd9;line-height:1.6;max-width:34rem}.promo-btn[data-astro-cid-tsoog7z6]{display:inline-flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.1rem;background:var(--shu);color:#fff;padding:.85rem 1.5rem;border-radius:999px;border:2px solid #fff;box-shadow:4px 4px #fff}.promo-btn[data-astro-cid-tsoog7z6] .arr[data-astro-cid-tsoog7z6]{display:inline-block;transition:transform .25s var(--ease-out)}.promo[data-astro-cid-tsoog7z6]:hover .promo-btn[data-astro-cid-tsoog7z6] .arr[data-astro-cid-tsoog7z6]{transform:translate(5px)}.promo-cards[data-astro-cid-tsoog7z6]{position:relative;display:flex;justify-content:center;gap:clamp(.6rem,2vw,1.1rem);padding:1rem 0 1.5rem}.pf[data-astro-cid-tsoog7z6]{width:clamp(5.2rem,11vw,7.6rem);aspect-ratio:3 / 4;perspective:700px;opacity:0;transform:translateY(24px) rotate(-4deg)}.pf[data-astro-cid-tsoog7z6]:nth-child(2){margin-top:1.4rem}.pf-in[data-astro-cid-tsoog7z6]{position:relative;display:block;width:100%;height:100%;transform-style:preserve-3d}.pf-face[data-astro-cid-tsoog7z6]{position:absolute;inset:0;display:grid;place-items:center;border-radius:16px;border:2px solid #fff;backface-visibility:hidden;-webkit-backface-visibility:hidden}.pf-front[data-astro-cid-tsoog7z6]{background:#fff;color:var(--ink);font-family:var(--font);font-weight:900;font-size:clamp(2.6rem,6vw,3.8rem);box-shadow:0 10px 0 -2px #00000040}.pf-back[data-astro-cid-tsoog7z6]{background:var(--shu);color:#fff;transform:rotateY(180deg);align-content:center;gap:.2rem;text-align:center}.pf-back[data-astro-cid-tsoog7z6] b[data-astro-cid-tsoog7z6]{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1}.pf-back[data-astro-cid-tsoog7z6] small[data-astro-cid-tsoog7z6]{font-size:.72rem;font-weight:700;opacity:.9;padding:0 .3rem}.promo-stamp[data-astro-cid-tsoog7z6]{position:absolute;right:2%;bottom:-.4rem;font-family:var(--font);font-weight:900;font-size:clamp(1.3rem,3vw,1.8rem);color:var(--shu);background:#fff;border:4px solid var(--shu);border-radius:12px;padding:.1rem .55rem;transform:rotate(-12deg);opacity:0;box-shadow:0 6px 16px -6px #00000080}.promo[data-astro-cid-tsoog7z6].play .pf[data-astro-cid-tsoog7z6]{animation:pfIn .6s cubic-bezier(.34,1.56,.64,1) calc(var(--i) * .15s) forwards}.promo[data-astro-cid-tsoog7z6].play .pf-in[data-astro-cid-tsoog7z6]{animation:pfFlip 6s ease-in-out calc(.9s + var(--i) * .5s) infinite}.promo[data-astro-cid-tsoog7z6].play .promo-stamp[data-astro-cid-tsoog7z6]{animation:stampDrop .5s cubic-bezier(.3,1.6,.5,1) 2.6s forwards}.promo[data-astro-cid-tsoog7z6]:hover .pf-front[data-astro-cid-tsoog7z6]{animation:wob .5s ease}@keyframes pfIn{to{opacity:1;transform:none}}@keyframes pfFlip{0%,12%{transform:none}22%,55%{transform:rotateY(180deg)}65%,to{transform:rotateY(360deg)}}@keyframes stampDrop{0%{opacity:0;transform:rotate(-12deg) scale(2.4)}to{opacity:1;transform:rotate(-12deg) scale(1)}}@keyframes wob{50%{transform:rotate(-4deg)}}@media(prefers-reduced-motion:reduce){.pf[data-astro-cid-tsoog7z6],.promo-stamp[data-astro-cid-tsoog7z6]{opacity:1;transform:none}.promo-stamp[data-astro-cid-tsoog7z6]{transform:rotate(-12deg)}.promo[data-astro-cid-tsoog7z6].play .pf[data-astro-cid-tsoog7z6],.promo[data-astro-cid-tsoog7z6].play .pf-in[data-astro-cid-tsoog7z6],.promo[data-astro-cid-tsoog7z6].play .promo-stamp[data-astro-cid-tsoog7z6],.promo[data-astro-cid-tsoog7z6]:hover .pf-front[data-astro-cid-tsoog7z6]{animation:none}}@media(max-width:760px){.promo[data-astro-cid-tsoog7z6]{grid-template-columns:1fr;gap:.5rem}.promo-cards[data-astro-cid-tsoog7z6]{order:-1;padding-top:.25rem}.promo[data-astro-cid-tsoog7z6]:before{font-size:13rem;bottom:-3rem}}