/* =========================================================
   KPI ORB WRAP
========================================================= */
.orb-wrap {
  position: relative;
  overflow: visible;
  isolation: isolate;
}

/* センター固定器 */
.orb-bg {
  position: absolute;
  left: 50%;
  top: 5%;
  transform: translateX(-50%);
  z-index: 0;
  pointer-events: none;
  width: 1378px;
  max-width: 100vw;
}

/* 実画像：ふわふわ */
.orb-bg img {
  display: block;
  width: 100%;
  height: auto;
  transform-origin: center;
  animation: orb-float-kpi 30s ease-in-out infinite;
  will-change: transform;
}

.orb-wrap > section {
  position: relative;
  z-index: 1;
}

@keyframes orb-float-kpi {
  0% {
    transform: translate3d(0, 0, 0) scale(1) rotate(0deg);
  }
  20% {
    transform: translate3d(-7px, -10px, 0) scale(1.008) rotate(-0.25deg);
  }
  45% {
    transform: translate3d(9px, 7px, 0) scale(1.015) rotate(0.3deg);
  }
  70% {
    transform: translate3d(-6px, 10px, 0) scale(1.012) rotate(-0.2deg);
  }
  100% {
    transform: translate3d(0, 0, 0) scale(1.003) rotate(0deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .orb-bg img {
    animation: none;
  }
}

/* =========================================================
   KPI
========================================================= */
.kpi {
  position: relative;
  padding-top: 55px;
  padding-bottom: 160px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
}

.kpi__inner {
  width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.kpi__title {
  font-weight: 300;
  margin: 0 0 clamp(36px, 4vw, 56px);
  text-align: center;
  font-size: clamp(34px, 3.0vw, 38px);
  /* SPは下の@media(767px)で上書き */
  letter-spacing: 0.05em;
  color: rgba(0, 0, 0, 0.84);
  line-height: 1.35;
}

.kpi__grid {
  display: grid;
  grid-template-columns: repeat(2, 324px);
  grid-template-rows: repeat(2, 324px);
  gap: 51px;
  justify-content: center;
  margin-top: 77px;
}

.kpi-card {
  width: min(320px, 100%);
  aspect-ratio: 1 / 1;
  border-radius: 999px;
  background: #f9f9f9;
  box-shadow: 3px 3px 5px rgba(0, 0, 0, 0.15);
  position: relative;
  display: grid;
  place-items: center;
  padding: 22px;
}

.kpi-card__icon {
  position: absolute;
  top: 34px;
  left: 50%;
  transform: translateX(-50%);
  line-height: 1;
  pointer-events: none;
}
.kpi-card__icon img {
  display: block;
  height: auto;
}

.kpi-icon--sales {
  width: 59px;
}
.kpi-icon--paper {
  width: 48px;
}
.kpi-icon--global {
  width: 57px;
}
.kpi-icon--medical {
  width: 40px;
}

.kpi-card__main {
  display: grid;
  place-items: center;
  text-align: center;
}
.kpi-card__num {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  margin-top: 70px;
}
.kpi-card__value {
  font-weight: 500;
  font-style: normal;
  font-size: 100px;
  line-height: 0.78;
  letter-spacing: 0.03em;
  color: #ff6a01;
  font-variant-numeric: tabular-nums;
  display: inline-block;
  transform: scale(0.96);
  transition: transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.is-revealed .kpi-card__value {
  transform: scale(1);
}
.kpi-card__unit {
  font-size: 32px;
  letter-spacing: 0.03em;
  color: #ff6a01;
  line-height: 1.25;
  text-align: left;
  font-weight: 500;
}
.kpi-card__unit-sub {
  font-size: 24px;
  color: #ff6a01;
}
.kpi-card__label {
  margin-top: 10px;
  font-size: 20px;
  letter-spacing: 0.08em;
  color: #1a1a1a;
}
.kpi-card__note {
  font-size: 11px;
  opacity: 0.9;
  vertical-align: super;
}

.kpi__footnote {
  margin-top: 50px;
  font-size: 12px;
  line-height: 1;
}
.kpi__footnote p {
  margin: 10px 0;
  font-family:
    "Noto Sans JP", "Hiragino Sans", "ヒラギノ角ゴシック", "Yu Gothic", Meiryo,
    sans-serif;
  font-weight: 200;
}

/* =========================================================
   KPI (SP)
   - 767px以下でレイアウト/文字サイズを最適化
   - タイトルサイズは variables.css の --section-title-size-sp を参照
========================================================= */
@media (max-width: 767px) {
  .kpi {
    padding-top: 44px;
    padding-bottom: 55px;
  }

  .orb-bg img {
    content: url("assets-sp/kpi-in_orb_bg_sp.webp");
    width: 100vw;
    max-width: none;
    height: auto;
  }

  /* 位置調整 */
  .orb-bg {
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
  }

  .kpi__inner {
    width: calc(100% - 32px);
  }

  /* セクションタイトル：一括管理（variables.css） */
  .kpi__title {
    font-size: var(--section-title-size-sp);
    margin: 0 0 28px;
    letter-spacing: 0.03em;
  }

  .kpi__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;

    /* 各セル内でカードを中央配置（小さい端末での伸び防止） */
    justify-items: center;
    align-items: start;

    gap: 16px;
    margin-top: 60px;
    justify-content: center;
  }

  .kpi-card {
    /* 小さい端末でも“円”を維持：幅と高さを同値で固定（基本サイズ感は維持） */
    width: clamp(150px, 44vw, 190px);
    height: clamp(150px, 44vw, 190px);

    border-radius: 50%;
    aspect-ratio: auto; /* 高さ固定するので念のため解除 */

    padding: 14px;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.14);
  }

  .kpi-card__main {
    min-width: 0;
  }

  .kpi-card__icon {
    top: 18px;
  }

  .kpi-icon--sales {
    width: 39px;
  }
  .kpi-icon--paper {
    width: 28px;
  }
  .kpi-icon--global {
    width: 37px;
  }
  .kpi-icon--medical {
    width: 20px;
  }
  .kpi-card__num {
    margin-top: 44px;
    gap: 4px;
  }

  .kpi-card__value {
    font-size: clamp(52px, 11vw, 76px);
    line-height: 0.88;
  }

  .kpi-card__unit {
    font-size: clamp(16px, 3.4vw, 24px);
    line-height: 1.15;
  }

  .kpi-card__unit-sub {
    font-size: clamp(13px, 3vw, 16px);
  }

  .kpi-card__label {
    font-size: clamp(12px, 2.9vw, 16px);
    letter-spacing: 0.05em;
    margin-top: 6px;
  }

  .kpi__footnote {
    margin-top: 38px;
    font-size: 10px;
  }

  .kpi__footnote p {
    margin: 8px 0;
  }

  .kpi-card__note {
    font-size: 9px;
  }
}