.cover{min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding-block:clamp(72px,12vh,140px);overflow:hidden;position:relative;}
.cover-top{position:absolute;top:0;left:0;right:0;padding:22px var(--gut);display:flex;
  justify-content:space-between;font-family:var(--mono);font-size:.7rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--mist);z-index:4;}
.cover-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:clamp(24px,5vw,72px);align-items:center;position:relative;z-index:1;}
.hero-col{will-change:transform,opacity;}
.eyebrow-2{align-items:flex-start;line-height:1.85;}
.eyebrow-2::before{display:none;}
.wordmark{font-family:var(--logotype);font-style:italic;font-weight:400;font-size:clamp(5rem,20vw,13.5rem);
  line-height:.96;letter-spacing:.005em;margin:0;color:var(--ink);will-change:transform;}
.tagline{font-family:var(--serif-jp);font-size:clamp(1.05rem,2.6vw,1.5rem);color:var(--ink-2);
  margin:1.6rem 0 0;letter-spacing:.06em;line-height:1.9;}
.tagline .en{display:block;font-family:var(--serif-latin);font-style:italic;font-size:.82em;
  color:var(--teal-700);letter-spacing:.04em;margin-top:.5rem;}

/* ロゴ：小さめ＋余白＋ゆるい浮遊＋柔らかい影 */
.portrait-stack{position:relative;justify-self:center;width:min(248px,58vw);aspect-ratio:4/5;
  will-change:transform;margin:clamp(10px,3vw,40px);}
.portrait-float{position:absolute;inset:0;will-change:transform,opacity;opacity:0;
  animation:portraitIn 1.2s cubic-bezier(.22,1,.36,1) .15s forwards;}
.p-slab{position:absolute;left:-11%;top:7%;width:100%;height:100%;opacity:.92;
  background:linear-gradient(150deg,var(--teal-300),var(--teal-700));
  clip-path:polygon(0 9%,100% 0,100% 91%,0 100%);will-change:transform;}
.p-window{position:absolute;right:-7%;top:0;width:100%;height:100%;
  background:url("../../assets/logo.jpg") center/cover no-repeat;
  clip-path:polygon(0 6%,100% 0,100% 94%,0 100%);
  filter:drop-shadow(0 26px 42px rgba(39,86,90,.45)) drop-shadow(0 10px 18px rgba(39,86,90,.3));
  will-change:transform;}
@keyframes portraitIn{from{opacity:0;transform:translateY(34px) scale(.94) rotate(1.6deg);}to{opacity:1;transform:none;}}

/* スクロール誘導：落ちるティールの線＋弾むシェブロン */
.scrollcue{margin-top:clamp(40px,7vh,80px);display:flex;flex-direction:column;align-items:flex-start;gap:.7rem;
  position:relative;z-index:1;}
.sc-label{font-family:var(--mono);font-size:.66rem;letter-spacing:.34em;text-transform:uppercase;color:var(--mist);}
.sc-track{position:relative;width:1px;height:54px;background:var(--line);overflow:hidden;}
.sc-dot{position:absolute;left:0;top:-22px;width:1px;height:22px;
  background:linear-gradient(180deg,transparent,var(--teal-500));animation:scDown 1.9s cubic-bezier(.65,0,.35,1) infinite;}
.sc-chev{width:7px;height:7px;border-right:1px solid var(--teal-500);border-bottom:1px solid var(--teal-500);
  transform:rotate(45deg);animation:scBounce 1.9s ease-in-out infinite;}
@keyframes scDown{0%{top:-22px;}66%{top:54px;}100%{top:54px;}}
@keyframes scBounce{0%,100%{transform:rotate(45deg) translate(-2px,-2px);opacity:.45;}50%{transform:rotate(45deg) translate(2px,2px);opacity:1;}}
@media(max-width:760px){
  .cover-grid{grid-template-columns:1fr;}
  .portrait-stack{order:-1;margin-bottom:8px;width:min(220px,54vw);}
}
@media(prefers-reduced-motion:reduce){
  .sc-dot,.sc-chev{animation:none;}
  .portrait-float{animation:none;opacity:1;}
}