/* ===== MB Footer HUB ===== */
.site-footer{
  background:#0b2a55;
  color: rgba(255,255,255,.86);
}

.site-footer a{ color: inherit; text-decoration: none; }
.site-footer a:hover{ text-decoration: underline; }

.footer-inner{
  padding: 44px 0 26px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 22px;
  align-items: start;
}

.footer-brand{ min-width:0; }

.footer-logo{
  display:inline-flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
}
.footer-logo-main{
  font-weight: 900;
  letter-spacing: .02em;
  font-size: 16px;
}
.footer-logo-sub{
  font-size: 12px;
  opacity: .75;
}

.footer-lead{
  margin: 10px 0 14px;
  line-height: 1.9;
  font-size: 13px;
  opacity: .86;
}

.footer-cta{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
}

.footer-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.06);
  font-weight: 900;
  font-size: 12px;
  text-decoration:none;
}
.footer-btn.is-primary{
  background: #ffffff;
  color: #0b2a55;
  border-color: transparent;
}

.footer-nav{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 14px;
}
.footer-col-title{
  font-weight: 900;
  font-size: 11px;
  letter-spacing: .08em;
  opacity: .70;
  margin-bottom: 8px;
}
.footer-col a{
  display:block;
  padding: 6px 0;
  font-size: 13px;
  opacity: .92;
}

.footer-bottom{
  padding: 14px 0 22px;
  border-top: 1px solid rgba(255,255,255,.14);
  opacity: .8;
  font-size: 12px;
}

@media (max-width: 980px){
  .footer-inner{
    grid-template-columns: 1fr;
    padding: 34px 0 18px;
  }
  .footer-nav{
    grid-template-columns: 1fr;
  }
  .footer-col a{
    padding: 8px 0;
  }
}
/* ===== MB Footer HUB : mobile polish ===== */
@media (max-width: 980px){
  .site-footer{
    padding-bottom: env(safe-area-inset-bottom);
  }

  .footer-inner{
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 28px 0 14px;
  }

  .footer-logo-main{ font-size: 15px; }
  .footer-lead{
    font-size: 13px;
    margin: 10px 0 12px;
  }

  /* CTA：2ボタンを横並び・押しやすく */
  .footer-cta{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .footer-btn{
    height: 44px;
    width: 100%;
    padding: 0 12px;
    border-radius: 14px;
    font-size: 13px;
  }

  /* リンク群：アコーディオン風のカードにして見やすく */
  .footer-nav{
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .footer-col{
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 16px;
    padding: 12px 12px;
  }

  .footer-col-title{
    margin: 0 0 8px;
    font-size: 11px;
    opacity: .78;
  }

  .footer-col a{
    padding: 10px 0;
    font-size: 14px;
    opacity: .95;
    border-top: 1px solid rgba(255,255,255,.12);
  }
  .footer-col a:first-of-type{
    border-top: none;
    padding-top: 6px;
  }
  .footer-col a:last-of-type{
    padding-bottom: 6px;
  }

  .footer-bottom{
    padding: 14px 0 20px;
    font-size: 12px;
  }
}

/* さらに小さい端末（iPhone SE系） */
@media (max-width: 390px){
  .footer-cta{
    grid-template-columns: 1fr; /* 縦並び */
  }
}