:root {
  --c-bg: #0B0B0D;
  --c-surface: #131316;
  --c-surface-2: #1B1B20;
  --c-text: #F4F3EF;
  --c-text-sub: #B9BCC3;
  --c-gold: #C9A24B;
  --c-gold-deep: #9A7A33;
  --c-silver: #9EA3AB;
  --c-line: #2A2A30;
}

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

html {
  color-scheme: dark;
}

body {
  min-height: 100svh;
  margin: 0;
  color: var(--c-text);
  background: radial-gradient(circle at 50% 18%, var(--c-surface-2) 0%, var(--c-bg) 56%);
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.9;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 4px;
}

.brand-main {
  display: grid;
  width: min(100% - 48px, 1120px);
  min-height: calc(100svh - 88px);
  margin-inline: auto;
  padding-block: 64px;
  place-content: center;
  gap: 48px;
}

.brand-identity {
  display: grid;
  justify-items: center;
  gap: 24px;
  text-align: center;
}

.brand-emblem {
  display: block;
  width: min(240px, 62vw);
  height: auto;
}

.brand-wordmark {
  margin: 0;
  font-family: "Cinzel", serif;
  font-size: clamp(20px, 5vw, 40px);
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.3;
}

.club-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 24px;
  width: min(100%, 760px);
  margin-inline: auto;
}

.club-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 28px;
  border: 1px solid var(--c-line);
  border-radius: 2px;
  background: var(--c-surface);
}

.club-card:hover {
  border-color: var(--c-silver);
}

.club-card h2 {
  margin: 0 0 12px;
  font-family: "Shippori Mincho", serif;
  font-size: 28px;
  line-height: 1.3;
}

.club-card p {
  margin: 0;
  font-size: 16px;
}

.club-card__status {
  margin-top: 8px !important;
  color: var(--c-text-sub);
  font-weight: 500;
}

.brand-link {
  width: fit-content;
  color: var(--c-text);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration-color: var(--c-silver);
  text-underline-offset: 6px;
}

.brand-link:hover {
  color: var(--c-gold);
  text-decoration-color: var(--c-gold);
}

.brand-footer {
  min-height: 88px;
  padding: 24px;
  border-top: 1px solid var(--c-line);
  color: var(--c-text-sub);
  text-align: center;
}

.brand-footer small {
  font-family: "Cinzel", serif;
  font-size: 16px;
  letter-spacing: 0.08em;
}

.error-page {
  display: grid;
  place-items: center;
  padding: 24px;
}

.error-page__content {
  text-align: center;
}

.error-page__code {
  margin: 0;
  color: var(--c-gold);
  font-family: "Cinzel", serif;
  font-size: clamp(56px, 18vw, 72px);
  font-weight: 700;
  line-height: 1.3;
}

.error-page h1 {
  margin: 12px 0 32px;
  font-family: "Shippori Mincho", serif;
  font-size: 20px;
}

@media (min-width: 600px) {
  .brand-main {
    gap: 64px;
    padding-block: 96px;
  }

  .club-card {
    padding: 40px;
  }
}