.promotion-detail{padding:0;position:relative}.promotion-detail__viewport{touch-action:pan-y;cursor:grab;overflow:hidden}.promotion-detail__viewport:active{cursor:grabbing}.promotion-detail__stage{will-change:transform, opacity;grid-template-columns:minmax(0,1.75fr) minmax(280px,.9fr);align-items:start;gap:1rem clamp(2rem,4vw,3rem);display:grid}.promotion-detail__stage.is-animating{transition:transform .34s cubic-bezier(.22,.61,.36,1),opacity .3s}.promotion-detail__stage.is-dragging{transition:none}.promotion-detail__media,.promotion-detail__aside{min-width:0}.promotion-detail__nav{z-index:2;color:var(--color-heading);opacity:1;pointer-events:auto;backdrop-filter:blur(14px);will-change:transform, opacity;background:#fffffff0;border:1px solid #52aad247;border-radius:999px;align-items:center;gap:.7rem;padding:.7rem .85rem;text-decoration:none;transition:transform .32s cubic-bezier(.22,.61,.36,1),opacity .28s,box-shadow .2s,border-color .2s,background .2s;display:inline-flex;position:absolute;top:clamp(15rem,33vw,24rem);box-shadow:0 18px 34px #1130542e}.promotion-detail__nav--prev{left:-4.75rem;transform:translateY(-50%)scale(1)}.promotion-detail__nav--next{right:-4.75rem;transform:translateY(-50%)scale(1)}.promotion-detail__nav.is-fixed{top:var(--promotion-nav-fixed-top,50vh);position:fixed}.promotion-detail__nav--prev.is-fixed{left:var(--promotion-nav-offset,1rem)}.promotion-detail__nav--next.is-fixed{right:var(--promotion-nav-offset,1rem)}.promotion-detail__nav.is-hidden-side{opacity:0;pointer-events:none}.promotion-detail__nav--prev.is-hidden-side{transform:translate(calc(-100% - 24px),-50%)scale(.96)}.promotion-detail__nav--next.is-hidden-side{transform:translate(calc(100% + 24px),-50%)scale(.96)}.promotion-detail__nav.is-visible{opacity:1;pointer-events:auto}.promotion-detail__nav.is-visible.promotion-detail__nav--prev,.promotion-detail__nav.is-visible.promotion-detail__nav--next{transform:translateY(-50%)scale(1)}.promotion-detail__nav.is-visible:hover{background:#f8fefffa;border-color:#5cecff80;box-shadow:0 22px 40px #11305438,0 0 18px #5cecff33}.promotion-detail__nav.is-visible:hover.promotion-detail__nav--prev,.promotion-detail__nav.is-visible:hover.promotion-detail__nav--next{transform:translateY(-50%)scale(1.03)}.promotion-detail__nav:focus-visible{border-color:#5cecffb3;outline:none;box-shadow:0 0 0 3px #5cecff38,0 18px 34px #1130542e}.promotion-detail__nav-icon{color:#1f6f97;background:linear-gradient(#e5f7fffa,#d6f0fbf0);border-radius:50%;flex:none;justify-content:center;align-items:center;width:3rem;height:3rem;display:inline-flex;box-shadow:inset 0 0 0 1px #65c8e838}.promotion-detail__nav-icon svg{fill:none;stroke:currentColor;stroke-width:2.35px;stroke-linecap:round;stroke-linejoin:round;width:1.35rem;height:1.35rem}.promotion-detail__nav-copy{gap:.12rem;display:grid}.promotion-detail__nav-copy small{color:var(--color-text-muted,var(--color-text));letter-spacing:.08em;text-transform:uppercase;font-size:.7rem;font-weight:700}.promotion-detail__nav-copy strong{color:var(--color-heading);font-size:.92rem;font-weight:700;line-height:1.15}.promotion-detail__title{letter-spacing:-.02em;grid-column:1/-1;margin:0;font-size:clamp(1.45rem,2.2vw,2rem);font-weight:500}.promotion-detail__poster,.promotion-detail__card{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);box-shadow:var(--shadow-sm)}.promotion-detail__poster{overflow:hidden}.promotion-detail__poster img{aspect-ratio:1;object-fit:cover;width:100%;height:auto}.promotion-detail__card{min-height:clamp(280px,38vw,560px);padding:clamp(1.5rem,3vw,2rem)}.promotion-detail__card strong{color:var(--color-heading);margin-bottom:1.1rem;font-size:1rem;font-weight:600;display:block}.promotion-detail__card p{color:var(--color-text);margin:0 0 1rem}.promotion-detail__card a{text-underline-offset:.18em;font-weight:600;text-decoration:underline}html.dark-mode .promotion-detail__poster,html.dark-mode .promotion-detail__card{border-color:var(--color-border);background:var(--color-surface)}html.dark-mode .promotion-detail__nav{background:#0c1929d1;border-color:#5cecff38;box-shadow:0 18px 36px #0000004d}html.dark-mode .promotion-detail__nav:hover{background:#0e1f32eb;border-color:#5cecff85;box-shadow:0 22px 40px #00000057,0 0 18px #5cecff2e}html.dark-mode .promotion-detail__nav-icon{color:#8eeeff;background:linear-gradient(#1a3d57f2,#153046f2);box-shadow:inset 0 0 0 1px #5cecff29}@media (width<=1180px){.promotion-detail__nav{padding:.55rem}.promotion-detail__nav--prev{left:-1rem}.promotion-detail__nav--next{right:-1rem}.promotion-detail__nav-copy{display:none}}@media (width<=820px){.promotion-detail__stage{grid-template-columns:1fr;gap:1rem}.promotion-detail__nav{padding:.45rem;top:clamp(11rem,54vw,18rem)}.promotion-detail__nav--prev{left:.75rem}.promotion-detail__nav--next{right:.75rem}.promotion-detail__nav-icon{width:2.7rem;height:2.7rem}.promotion-detail__title{grid-column:1}.promotion-detail__card{min-height:auto}}@media (width<=520px){.promotion-detail__nav{top:clamp(9.5rem,58vw,14rem)}.promotion-detail__nav--prev{left:.5rem}.promotion-detail__nav--next{right:.5rem}.promotion-detail__nav-icon{width:2.45rem;height:2.45rem}}