/* ===== TOP Page ===== */

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-block: var(--space-xl) var(--space-lg);
  overflow: hidden;
  isolation: isolate;
}

/* 背景写真 + ホワイトオーバーレイ */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.78);
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  /* 明るいけど写真の風景が見える、白+ターコイズの軽やかなオーバーレイ */
  background:
    radial-gradient(ellipse at 70% 30%, rgba(103, 232, 249, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse at 30% 70%, rgba(37, 99, 235, 0.10) 0%, transparent 60%),
    linear-gradient(180deg,
      rgba(255,255,255,0.72) 0%,
      rgba(255,255,255,0.58) 50%,
      rgba(255,255,255,0.38) 100%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width-text);
  padding-inline: var(--container-padding);
}

/* SVG 版 Society for us. ロゴ表示(ヒーロー用) */
.hero__motto-svg {
  margin: 0 auto var(--space-md);
  max-width: min(680px, 92vw);
  width: 100%;
  /* viewBox 2250x1500 ≒ 3:2 */
  aspect-ratio: 2250 / 1500;
  display: block;
}

.hero__motto-svg img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* 旧テキスト版(後方互換 — 残っている場合のフォールバック) */
.hero__motto {
  font-family: var(--font-sans-en);
  font-size: var(--text-hero);
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-blue-bright) 60%, var(--color-turquoise) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--color-navy);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  font-weight: 800;
}

.hero__separator {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-turquoise), var(--color-blue-bright));
  border-radius: 999px;
  margin: var(--space-md) auto;
  border: none;
}

.hero__lead {
  font-family: var(--font-sans-jp);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 2;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  letter-spacing: 0.03em;
  font-weight: 500;
}

.hero__signature {
  font-family: var(--font-sans-en);
  font-size: var(--text-small);
  color: var(--color-text-soft);
  letter-spacing: var(--tracking-wide);
  font-weight: 600;
}

/* hero 装飾 */
.hero .decoration--rings {
  opacity: 0.07;
}

/* --- Axes preview --- */
.axes-section {
  padding-block: var(--space-xl);
}

.axes-section__intro {
  text-align: left;
  margin-bottom: var(--space-lg);
  max-width: var(--max-width-text);
}

/* --- Inline CTAs --- */
.inline-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

@media (min-width: 640px) {
  .inline-cta {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

/* --- Philosophy teaser --- */
.philosophy-teaser {
  text-align: center;
  padding-block: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.philosophy-teaser__quote {
  font-family: var(--font-sans-jp);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--color-text-strong);
  max-width: 760px;
  margin: 0 auto var(--space-md);
  line-height: 1.85;
  letter-spacing: 0.02em;
}

.philosophy-teaser__question {
  font-family: var(--font-sans-en);

  font-size: var(--text-small);
  color: var(--color-blue);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-md);
}

/* --- Members preview --- */
.members-preview {
  padding-block: var(--space-xl);
  background:
    radial-gradient(circle at 90% 10%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(37, 99, 235, 0.06) 0%, transparent 40%),
    var(--color-bg-bright);
  position: relative;
}

.members-preview__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (min-width: 768px) {
  .members-preview__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

.member-mini {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.member-mini__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
  background-color: var(--color-bg-soft);
}

.member-mini__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-mini__avatar--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans-en);

  font-size: 1.8rem;
  color: var(--color-navy);
  background: linear-gradient(135deg, var(--color-bg-soft), var(--color-border-soft));
}

.member-mini__role {
  font-family: var(--font-sans-en);
  font-size: var(--text-xsmall);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 0.25rem;
}

.member-mini__name {
  font-family: var(--font-sans-jp);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-strong);
  margin: 0;
}

/* --- Final CTA — 招待状トーン + SVGビジュアル --- */
.final-cta {
  text-align: center;
  padding-block: var(--space-xl);
  background:
    radial-gradient(ellipse at 50% 100%, rgba(6, 182, 212, 0.12) 0%, transparent 60%),
    linear-gradient(180deg, var(--color-white) 0%, var(--color-bg-bright) 100%);
  position: relative;
}

/* Society for us. SVG ヒーロー(フィナーレ感) */
.final-cta__visual {
  margin: 0 auto var(--space-lg);
  width: 95%;
  max-width: 720px;
  display: block;
}

.final-cta__visual img {
  width: 100%;
  height: auto;
  display: block;
}

.final-cta__lead {
  font-family: var(--font-sans-jp);
  font-size: var(--text-lead);
  max-width: 560px;
  margin: 0 auto var(--space-lg);
  color: var(--color-text);
  font-weight: 500;
  line-height: 1.95;
}

.final-cta__actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* 旧 .final-cta__title は SVG に置き換え。フォールバックで非表示 */
.final-cta__title { display: none; }