/* ===== SAITOWORKS Footer =====
   base.css のトークン（--brand, --text, --border, --surface, --surface-elev, --tint）に準拠
*/

.swx-footer{
  position: relative;
  color: var(--footer-ink, #e9eaee);
  background: var(--footer-bg, #101116);
  border-top: 1px solid color-mix(in oklab, var(--text, #1a1a1a) 15%, transparent);
  overflow: hidden;
  isolation: isolate; /* 疑似要素のブレンドを閉じ込める */
}


/* === Row-1: Logo + Value proposition ===================== */
.swx-footer__lead{
  position: relative; z-index: 1;           /* 光より前面 */
  display: grid;
  grid-template-columns: minmax(220px, 36%) 1fr;  /* ロゴ:テキスト = 36%:64% */
  gap: 28px;
  align-items: center;
  padding: clamp(24px, 3vw, 40px) 0 8px;
}

/* 左：ロゴ（右寄せでテキストに寄せる） */
.swx-footer__brand{ display:flex; justify-content:flex-end; align-items:center; }
.swx-footer__logo{
  width: 100%; height:auto; object-fit: contain;
  filter: drop-shadow(0 6px 22px rgba(0,0,0,.22));
}

/* 右：価値訴求のタイポ */
.swx-footval{ min-width: 0; }
.swx-footval__title{
  margin: 0 0 6px; font-weight: 900; letter-spacing: .02em;
  font-size: clamp(20px, 2.6vw, 26px); color: var(--footer-ink, #e9eaee);
}
.swx-footval__bar{
  width: 200px; height: 8px; border-radius: 8px;
  background: linear-gradient(90deg,
    color-mix(in oklab, var(--brand, #FFD400) 92%, #fff),
    color-mix(in oklab, var(--brand, #FFD400) 45%, #000));
  box-shadow: 0 6px 18px rgba(0,0,0,.20);
  margin: 6px 0 12px;
}
.swx-footval__lede{
  margin: 0 0 8px; color: color-mix(in oklab, var(--footer-ink) 92%, #000);
  line-height: 1.7;
}
.swx-footval__list{
  margin: 8px 0 0; padding-left: 1.1em; color: color-mix(in oklab, var(--footer-ink) 88%, #000);
}
.swx-footval__list li{ margin: .25rem 0; }

/* === Row-2: 3 columns of links =========================== */
.swx-footer__links{
  position: relative; z-index: 1;           /* 光より前面 */
  display: grid; gap: 28px;
  grid-template-columns: 1fr;               /* sp:縦積み */
  padding: 8px 0 clamp(24px, 3vw, 40px);
}
@media (min-width: 600px){
  .swx-footer__links{ grid-template-columns: repeat(3, 1fr); }
}

/* 見出し */
.swx-footnav__title{
  color: var(--footer-ink, #e9eaee);
  font-weight: 900;
  font-size: clamp(16px, 2vw, 18px);
  letter-spacing: .02em;
  margin: 6px 0 10px;
  position: relative;
}
.swx-footnav__title::after{
  content:""; display:block; width: 120px; height: 6px; margin-top: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg,
              color-mix(in oklab, var(--brand, #FFD400) 92%, #fff),
              color-mix(in oklab, var(--brand, #FFD400) 45%, #000));
  box-shadow: 0 6px 18px rgba(0,0,0,.20);
}

/* リンク（ホバー/フォーカス時に黄色下線） */
.swx-footnav__list{ margin:0; padding:0; list-style:none; }
.swx-footnav__list li{ margin:.25rem 0; }
.swx-footnav__list a{
  display:inline-block;
  padding:.3rem .2rem .2rem;                 /* 下線分ちょい余白 */
  color: color-mix(in oklab, var(--footer-ink, #e9eaee) 92%, #000);
  text-decoration: none;                      /* 既定の下線は無効 */
  border-bottom: 2px solid transparent;       /* 下線はボーダーで制御 */
  transition: color .18s ease, border-color .18s ease, transform .18s ease;
}
.swx-footnav__list a:hover,
.swx-footnav__list a:active{
  color:#fff;
  border-bottom-color: color-mix(in oklab, var(--brand, #FFD400) 70%, #000); /* ←黄色 */
  transform: translateY(-1px);
}
.swx-footnav__list a:focus-visible{
  outline: 2px solid color-mix(in oklab, var(--brand, #FFD400) 80%, #fff);
  outline-offset: 2px; border-radius: 6px;
  border-bottom-color: color-mix(in oklab, var(--brand, #FFD400) 70%, #000);  /* KB操作でも下線 */
}

/* === Tablet以下の調整 ===================================== */
@media (max-width: 600px){
  .swx-footer__lead{
    grid-template-columns: 1fr; text-align:center;
  }
  .swx-footer__brand{ justify-content:center; }
  .swx-footval__bar{ margin-left:auto; margin-right:auto; }
}

/* === 下段バー（中央表示 & さりげない光沢） ================= */
.swx-footer__bar{
  position: relative; z-index: 1;           /* 光の下に潜らない */
  border-top: 1px solid color-mix(in oklab, var(--text, #1a1a1a) 20%, transparent);
  background: color-mix(in oklab, var(--brand, #FFD400) 4%, #0b0c10);
}
.swx-footer__bar::before{
  content:""; position:absolute; left:0; right:0; top:-1px; height:1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.22), transparent);
  opacity:.35; pointer-events:none; /* 上辺にうっすらハイライト */
}
.swx-footer__bar-inner{
  display:flex; align-items:center; justify-content:center;
  padding: 14px 0;
  text-align:center;
}

/* コピーライトの質感 */
.swx-copyright{
  display:inline-flex; align-items:baseline; gap:.55rem;
  font-size: clamp(12px, 1.4vw, 13px);
  letter-spacing:.04em;
  color: color-mix(in oklab, var(--footer-ink, #e9eaee) 85%, #000);
  opacity:.95;
}
.swx-cp-mark{ font-variant-numeric: tabular-nums; }
.swx-cp-year,
.swx-cp-site{ font-weight:700; color: color-mix(in oklab, var(--footer-ink, #e9eaee) 94%, #000); }
.swx-cp-sep{ opacity:.6; margin: 0 .1rem; }
.swx-cp-rights{ opacity:.85; }