@charset "UTF-8";
/* =========================================================
   MATRIX セクション：経営課題 × PG Lab支援マトリクス
   ---------------------------------------------------------
   TOPページに新設。6領域×5フェーズの経営課題を一覧表示し、
   セルにホバー／クリックするとPG Labの支援内容が
   マトリクス上にツールチップとして表示される。
   JSは js/matrix.js。
   common.css には手を入れない（既存方針を踏襲）。
   読み込みは header.php で他の追加cssの直後。
   ========================================================= */

#matrix{ background: #fff; }

.matrix-lead{
  max-width: 760px;
  margin: 0 auto 2.4em;
  text-align: center;
  line-height: 2;
}

.matrix-frame{
  max-width: 1160px;
  margin: 0 auto;
  background: #faf9f5;
  border-radius: 16px;
  padding: 28px;
}

.matrix-table-wrap{
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  border-radius: 10px;
  background: #fff;
}

.matrix-table{
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.matrix-table thead th{
  background: var(--color-secondary);
  color: #fff;
  font-size: .92rem;
  font-weight: 700;
  text-align: center;
  padding: 14px 10px;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 3;
}
.matrix-table thead th.matrix-corner{
  background: var(--color-secondary);
  position: sticky;
  left: 0;
  top: 0;
  z-index: 4;
}

.matrix-table tbody th{
  background: #f2f0ea;
  color: var(--color-secondary);
  font-size: .88rem;
  font-weight: 700;
  text-align: left;
  padding: 12px 14px;
  white-space: nowrap;
  vertical-align: top;
  border-bottom: 1px solid #eee;
  position: sticky;
  left: 0;
  z-index: 2;
}

.matrix-cell{
  padding: 10px;
  border: 1px solid #eee;
  vertical-align: top;
  cursor: pointer;
  transition: background-color .2s ease-out, box-shadow .2s ease-out;
}
.matrix-cell:hover{ background: #f5f1e6; }
.matrix-cell.is-active{
  background: rgba(var(--color-primary-rgb), .16);
  box-shadow: inset 0 0 0 2px var(--color-primary);
}
.matrix-cell:focus-visible{
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.matrix-issue-list{
  margin: 0;
  padding: 0;
  list-style: none;
}
.matrix-issue-list li{
  font-size: .78rem;
  line-height: 1.7;
  color: #444;
  white-space: nowrap;
}

/* ---- ツールチップ（マトリクス上に浮かせて表示） ---- */
.matrix-tooltip{
  position: fixed;
  z-index: 10050; /* main{z-index:1000}やheader(9999)より確実に上に出す */
  width: 300px;
  max-width: calc(100vw - 24px);
  background: #fff;
  border: 1px solid rgba(var(--color-primary-rgb), .35);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(0,0,0,.16);
  padding: 20px 22px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity .18s ease-out, transform .18s ease-out;
}
.matrix-tooltip.is-visible{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.matrix-tooltip::after{
  content: '';
  position: absolute;
  left: var(--arrow-left, 50%);
  width: 14px;
  height: 14px;
  background: #fff;
  border-right: 1px solid rgba(var(--color-primary-rgb), .35);
  border-bottom: 1px solid rgba(var(--color-primary-rgb), .35);
  transform: translateX(-50%) rotate(45deg);
}
.matrix-tooltip.is-above::after{ bottom: -8px; }
.matrix-tooltip.is-below::after{
  top: -8px;
  border-right: none;
  border-bottom: none;
  border-left: 1px solid rgba(var(--color-primary-rgb), .35);
  border-top: 1px solid rgba(var(--color-primary-rgb), .35);
}

.matrix-tooltip-head{
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  flex-wrap: wrap;
}
.matrix-tooltip-phase{
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--color-secondary);
  color: #fff;
  font-size: .74rem;
  font-weight: 700;
}
.matrix-tooltip-cat{
  font-size: .98rem;
  font-weight: 700;
  color: var(--color-secondary);
}
.matrix-tooltip-label{
  margin: 0 0 .5em;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: #999;
}
.matrix-tooltip-solutions{
  margin: 0;
  padding: 0;
  list-style: none;
}
.matrix-tooltip-solutions li{
  font-size: .86rem;
  font-weight: 700;
  line-height: 1.8;
  color: var(--color-secondary);
  padding-left: 1.3em;
  position: relative;
}
.matrix-tooltip-solutions li::before{
  font-family: "Material Icons";
  content: "check_circle";
  position: absolute;
  left: -2px;
  top: .05em;
  font-size: .95rem;
  color: var(--color-primary);
}

@media screen and (max-width: 900px){
  .matrix-frame{ padding: 18px; }
}
@media screen and (max-width: 600px){
  .matrix-lead{ text-align: left; }
  .matrix-tooltip{ width: 260px; padding: 16px 18px; }
}