:root {
  --bg: #000000;
  --fg: #f2f2f2;
  --body_copy: rgba(255, 255, 255, 0.9);
  --muted_copy: rgba(255, 255, 255, 0.75);
  --font_helvetica: "Helvetica Neue", Helvetica, Arial;
  --font_clarendon: "clarendon-urw", "Clarendon", "clarendon-text-pro", serif;
  --font_jp: "Hiragino Kaku Gothic ProN", "Yu Gothic Medium", "Noto Sans JP";
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: radial-gradient(circle at 12% 2%, rgba(255, 255, 255, 0.06), transparent 30%), var(--bg);
  color: var(--fg);
  font-family: var(--font_helvetica), var(--font_jp), sans-serif;
}

.page {
  min-height: 100vh;
  display: flex;
}

.content {
  width: min(1400px, calc(100vw - 140px));
  margin-left: clamp(28px, 3.5vw, 96px);
  padding-top: clamp(32px, 5.8vw, 64px);
  padding-bottom: clamp(16px, 10vw, 48px);
}

.mv_title {
  margin: 0 0 clamp(42px, 4.5vw, 70px);
  font-family: var(--font_clarendon);
  font-size: clamp(3.2rem, 7.1vw, 6.1rem);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: 0.015em;
}

.mv_title span {
  display: block;
}

.copy {
  width: min(1140px, 100%);
  font-size: clamp(0.82rem, 1.02vw, 1.08rem);
  line-height: 1.88;
  letter-spacing: 0.013em;
  color: var(--body_copy);
}

.copy p {
  margin: 0 0 1.22em;
}

.copy p:last-child {
  margin-bottom: 0;
}

.partner_logos {
  margin: clamp(60px, 6.8vw, 112px) 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px clamp(22px, 2.3vw, 38px);
}

.partner_logos li {
  display: flex;
  align-items: center;
}

.partner_logos a {
  display: inline-flex;
  align-items: center;
}

.partner_logos img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 34px;
  opacity: 0.98;
  transition: opacity 0.18s ease;
}

.partner_logos a:hover img,
.partner_logos a:focus-visible img {
  opacity: 0.68;
}

.copyright {
  margin: clamp(22px, 2.6vw, 40px) 0 0;
  font-size: clamp(0.65rem, 0.86vw, 0.9rem);
  letter-spacing: 0.055em;
  color: var(--muted_copy);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  filter: blur(1.8px);
  transition: opacity 0.78s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.78s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.78s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-reveal].is_visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

@media (max-width: 1024px) {
  .content {
    width: calc(100vw - 72px);
    margin-left: 36px;
    padding-top: 48px;
  }

  .mv_title {
    font-size: clamp(2.85rem, 12vw, 4.85rem);
  }

  .copy {
    font-size: clamp(0.82rem, 1.6vw, 0.98rem);
  }

  .partner_logos {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    row-gap: 18px;
    column-gap: 20px;
    align-items: center;
  }

  .partner_logos li {
    justify-content: center;
    min-height: 38px;
  }

  .partner_logos img {
    max-height: 32px;
  }
}

@media (max-width: 640px) {
  .content {
    width: calc(100vw - 32px);
    margin-left: 16px;
    padding-top: 32px;
    padding-bottom: 24px;
  }

  .mv_title {
    margin-bottom: 30px;
    font-size: clamp(2.2rem, 12vw, 3rem);
    line-height: 0.9;
    letter-spacing: 0.01em;
  }

  .copy {
    font-size: 0.75rem;
    line-height: 1.82;
  }

  .copy br {
    display: none;
  }

  .partner_logos {
    row-gap: 14px;
    column-gap: 16px;
  }

  .partner_logos li {
    min-height: 32px;
  }

  .partner_logos img {
    max-height: 28px;
  }
}

@media (max-width: 420px) {
  .partner_logos {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
}