/* エコララコート固有のClean Science表現。既存GESPのFVを変更しない。 */
.l-akari-hero { position: relative; min-height: 720px; display: flex; align-items: center; overflow: hidden; color: var(--color-main); background: linear-gradient(90deg, #fcfeff, #e6f3f7); }
.p-akari-hero__particles { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.p-akari-hero__particles img { position: absolute; left: 50%; top: 0; max-width: none; transform: translateX(-50%); }
.p-akari-hero__container { position: relative; z-index: 1; padding-block: 64px; }
.p-akari-hero__inner { display: flex; flex-direction: column; align-items: center; gap: 24px; text-align: center; }
/* 透過ロゴを背景へ自然に重ね、白いカード枠を残さない。 */
.p-akari-hero__product-brand { width: 240px; padding: 0; border: 0; border-radius: 0; background: transparent; }
.p-akari-hero__product-brand img { display: block; width: 100%; height: auto; }
.p-akari-hero__eyebrow { color: var(--color-support); font-family: var(--font-en); font-size: 12px; line-height: 20px; }
.p-akari-hero__title { font-size: 48px; font-weight: 700; line-height: 72px; letter-spacing: 2px; }
.p-akari-hero__lead { font-size: 16px; line-height: 30px; }
.p-akari-principle__inner { display: grid; grid-template-columns: minmax(0, 664fr) minmax(0, 480fr); align-items: center; gap: 56px; }
.p-akari-principle__copy { display: flex; flex-direction: column; gap: 16px; font-size: 16px; line-height: 32px; }
.p-akari-principle h3 { color: var(--color-main); font-size: 20px; font-weight: 500; line-height: 32px; }
.p-akari-principle h4 { color: var(--color-main); font-size: 18px; font-weight: 500; line-height: 30px; }
.p-akari-principle__reaction { color: var(--color-support); font-weight: 500; }
.p-akari-principle__figure img { width: 100%; aspect-ratio: 480 / 414; object-fit: contain; border-radius: 8px; }
.p-akari-diagram-link { display: block; width: 100%; max-width: 1085px; cursor: zoom-in; }
.p-akari-diagram-caption { display: none; }
.p-akari-principle__material { display: flex; flex-direction: column; gap: 16px; padding: 32px; border: 1px solid #1b5fa81f; border-radius: 8px; background: var(--color-mist); font-size: 16px; line-height: 30px; }
.p-akari-principle__material-note { color: var(--color-muted); font-size: 13px; line-height: 24px; }
.p-akari-features, .p-akari-products { background: var(--color-mist); }
.p-akari-features__lead { font-size: 16px; line-height: 30px; }
.p-akari-features__list { display: flex; flex-direction: column; gap: 48px; }
.p-akari-features__item { display: flex; flex-direction: column; gap: 32px; padding: 32px; border: 1px solid #1b5fa821; border-radius: 8px; background: #fff; box-shadow: 0 8px 32px #0a2e520b; }
.p-akari-features__heading { display: flex; align-items: center; gap: 16px; }
.p-akari-features__number { flex: 0 0 56px; color: var(--color-support); font-family: var(--font-en); font-size: 32px; line-height: 48px; }
.p-akari-features__heading h3 { color: var(--color-main); font-size: 24px; font-weight: 500; line-height: 40px; }
.p-akari-features__body { display: grid; grid-template-columns: minmax(0, 560fr) minmax(0, 528fr); gap: 48px; align-items: start; }
.p-akari-features__item--diagram .p-akari-features__body { display: flex; flex-direction: column; gap: 32px; }
.p-akari-features__copy { display: flex; flex-direction: column; gap: 16px; font-size: 16px; line-height: 32px; }
.p-akari-features__media { display: flex; flex-direction: column; align-items: center; gap: 16px; width: 100%; min-width: 0; }
.p-akari-features__media img { width: 100%; max-width: 1085px; height: auto; }
.p-akari-features__media figcaption { color: var(--color-muted); font-size: 12px; line-height: 24px; text-align: center; }
.p-akari-scenes__list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.p-akari-scenes__item { display: flex; flex-direction: column; gap: 16px; padding: 32px; border: 1px solid #1b5fa829; border-radius: 8px; }
.p-akari-scenes__item h3 { color: var(--color-main); font-size: 18px; font-weight: 500; line-height: 30px; }
.p-akari-scenes__item p, .p-akari-scenes > .l-inner > p { font-size: 14px; line-height: 26px; }
.p-akari-scenes__icon { align-self: flex-start; flex: none; max-width: none; }
.p-akari-products__list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; align-items: start; }
.p-akari-case-link__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.c-case-card { min-width: 0; overflow: hidden; border: 1px solid #1b5fa821; border-radius: 8px; background: #fff; box-shadow: 0 8px 32px #0a2e520b; }
.c-case-card__image { width: 100%; height: 240px; object-fit: contain; }
.c-case-card figcaption { padding: 24px; color: var(--color-main); font-size: 16px; line-height: 28px; }
@media (max-width: 1000px) {
  .p-akari-principle__inner { gap: 32px; }
  .p-akari-features__body { gap: 32px; }
  .p-akari-scenes__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .p-akari-scenes__item { padding: 24px; }
}
@media (max-width: 767px) {
  .p-akari-diagram-caption { display: block; margin-top: 8px; color: var(--color-support); font-size: 12px; line-height: 24px; text-align: center; }
  .l-akari-hero { min-height: 680px; }
  .p-akari-hero__container { padding-block: 40px; }
  .p-akari-hero__inner { gap: 24px; }
  .p-akari-hero__title { font-size: 30px; line-height: 48px; letter-spacing: 1px; }
  .p-akari-hero__product-brand { width: 208px; }
  .p-akari-hero__product-brand img { width: 100%; }
  .p-akari-hero__lead { font-size: 14px; line-height: 28px; }
  .p-akari-principle__inner { grid-template-columns: 1fr; gap: 32px; }
  .p-akari-principle__copy { font-size: 15px; line-height: 30px; }
  .p-akari-principle__material { padding: 24px; font-size: 15px; }
  .p-akari-features__list { gap: 32px; }
  .p-akari-features__item { padding: 24px; gap: 24px; }
  .p-akari-features__heading { gap: 8px; align-items: flex-start; }
  .p-akari-features__number { flex-basis: 40px; font-size: 24px; line-height: 32px; }
  .p-akari-features__heading h3 { font-size: 20px; line-height: 32px; }
  .p-akari-features__body { grid-template-columns: 1fr; gap: 24px; }
  .p-akari-features__copy { font-size: 15px; line-height: 30px; }
  .p-akari-products__list, .p-akari-case-link__grid { grid-template-columns: 1fr; }
  .p-akari-scenes__item { padding: 24px 16px; }
  .c-case-card__image { height: auto; aspect-ratio: 384 / 240; }
}

/* 背景の色と波紋を維持し、静止粒子より動く光粒を読み取りやすくする。 */
.p-akari-hero__particles { opacity: .42; }
.p-akari-hero__motion {
  position: absolute;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.p-akari-hero__motion span {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: calc(var(--size) * 1.4 + 4px);
  height: calc(var(--size) * 1.4 + 4px);
  border-radius: 50%;
  background: radial-gradient(circle, #effbff 0 8%, #389bc9 16%, #58b8dbb3 28%, #8fd8ed55 48%, transparent 72%);
  animation: akari-particle-depth var(--duration) var(--delay) linear infinite;
}
/* 色そのものを急変させず、淡いグリーン・シアンの層を穏やかに重ねる。 */
.p-akari-hero__motion span::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle, #f0fff8 0 8%, #59bca3 16%, #76d7c6aa 28%, #b1eeee55 48%, transparent 72%);
  animation: akari-particle-tint 9s var(--delay) ease-in-out infinite alternate;
}
@keyframes akari-particle-depth {
  0% { opacity: 0; transform: translate3d(calc(var(--dx) * -.5), calc(var(--dy) * -.5), 0) scale(.4); }
  15% { opacity: .4; }
  45% { opacity: .85; }
  72% { opacity: .7; }
  100% { opacity: 0; transform: translate3d(calc(var(--dx) * 5), calc(var(--dy) * 4), 0) scale(2.5); }
}
@keyframes akari-particle-tint { from { opacity: .05; } to { opacity: .9; } }
@media (max-width: 767px) {
  .p-akari-hero__motion span:nth-child(n+10) { display: none; }
}
/* 動きを減らす設定では、元の静止背景を同じ濃さで表示する。 */
@media (prefers-reduced-motion: reduce) {
  .p-akari-hero__particles { opacity: 1; }
  .p-akari-hero__motion { display: none; }
  .p-akari-hero__motion span, .p-akari-hero__motion span::after { animation: none; }
}