/* ============================================================
   top.css — トップページ
   ============================================================ */

.top {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* アー写の雰囲気に寄せた控えめな背景（CSSのみ・軽量）。
   将来アー写やsketchに差し替え可。 */
.top__bg {
  position: absolute; inset: 0;
  z-index: 0;
  background:
    radial-gradient(70% 60% at 50% 42%, rgba(255,255,255,0.10), transparent 60%),
    radial-gradient(40% 40% at 72% 68%, rgba(217,74,58,0.22), transparent 70%),
    radial-gradient(36% 36% at 26% 60%, rgba(107,78,160,0.18), transparent 70%),
    var(--bg);
  filter: saturate(115%);
}
.top__bg::after {
  content: "";
  position: absolute; inset: -20%;
  background-image: repeating-linear-gradient(
    0deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay;
  animation: scan 8s linear infinite;
  opacity: 0.5;
}
@keyframes scan { from { transform: translateY(0); } to { transform: translateY(3px); } }

@media (prefers-reduced-motion: reduce) {
  .top__bg::after { animation: none; }
}

.top__inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.top__title {
  font-size: clamp(44px, 10vw, 108px);
  line-height: 0.98;
  font-weight: 300;
  letter-spacing: -0.01em;
  margin: 0;
}
.top__title span { color: var(--accent); }

.top__subtitle {
  font-family: var(--font-en);
  font-size: clamp(15px, 2.6vw, 26px);
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  margin: clamp(8px, 1.4vw, 14px) 0 0;
}

.top__role {
  font-size: clamp(11px, 1.6vw, 13px);
  font-weight: 300;
  line-height: 1.6;
  letter-spacing: 0.2em;
  color: var(--fg-faint);
  margin: clamp(28px, 5vw, 44px) 0 clamp(40px, 8vw, 80px);
  text-transform: uppercase;
}

.top__menu {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
  max-width: 520px;
}
.top__menu a {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: clamp(16px, 2.4vw, 26px) 4px;
  border-bottom: 1px solid var(--line);
  transition: padding-left .25s ease, color .25s ease;
}
.top__menu a:hover { padding-left: 20px; color: var(--accent); }
.top__menu .idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-faint);
  letter-spacing: 0.1em;
}
.top__menu a:hover .idx { color: var(--accent); }
.top__menu .lbl {
  font-size: clamp(24px, 5vw, 40px);
  font-weight: 300;
  letter-spacing: 0.02em;
}