/* =============================================
   INVESTMENT PERFORMANCE Section
   ============================================= */

.investment-section {
  padding: 72px 0;
}

.investment-section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-side);
}

.investment-section__description {
  font-family: var(--font-ja);
  font-weight: 500;
  font-size: 14px;
  line-height: 23px;
  letter-spacing: 0.04em;
  color: var(--color-black);
  margin-top: 24px;
}

.investment-section__description-en {
  font-family: var(--font-ja);
  font-weight: 500;
  font-size: 14px;
  line-height: 19px;
  letter-spacing: 0.04em;
  color: var(--color-text-desc);
  margin-top: 8px;
}

/* マーキー */
.investment-marquee {
  margin-top: 40px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.investment-marquee__row {
  overflow: hidden;
}

.investment-marquee__track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: marquee-scroll 80s linear infinite;
}

/* 2行目は逆方向 */
.investment-marquee__row--reverse .investment-marquee__track {
  animation-name: marquee-scroll-reverse;
}

@keyframes marquee-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes marquee-scroll-reverse {
  0%   { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

/* 各アイテム: 220px 四角 */
.investment-section__item {
  width: 220px;
  height: 220px;
  border: 1px solid var(--color-black);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  flex-shrink: 0;
}

.investment-section__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  transition: opacity 0.2s;

  &:hover {
    opacity: 0.7;
  }
}

.investment-section__logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.investment-section__name {
  display: none;
}

/* ============ レスポンシブ ============ */
@media (max-width: 768px) {
  .investment-marquee {
    gap: 16px;
  }

  .investment-section__item {
    width: 120px;
    height: 120px;
    border-radius: 0;
    padding: 8px;
  }

  .investment-marquee__track {
    gap: 16px;
    animation-duration: 50s;
  }
}