/* =============================================
   Connect Spread PJ — /portal/ Stylesheet
   総合ポータル。CSPJ本体(/css/style.css)・DJポータル(/dj/style.css)・
   各DJページのCSSとは一切共有しない、完全に独立したスタイルシートです。
   デザイントークンはCSPJ本体に合わせていますが、値をここに複製しているため、
   本体側のCSSを変更してもこのページには影響しません。
   ============================================= */

/* ─── Reset & Base ─────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Color Palette(CSPJ本体と同一値) */
  --color-bg:           #0e0e0e;
  --color-surface:      #141414;
  --color-surface-alt:  #1a1a1a;
  --color-border:       #252525;
  --color-border-light: #2e2e2e;

  --color-text-primary:   #e8e8e4;
  --color-text-secondary: #8a8a84;
  --color-text-muted:     #555550;
  --color-accent:      #c8c0a8;   /* warm off-white accent */
  --color-accent-dark: #9a9282;
  --color-cyan:        #00ddfa;   /* brand cyan accent */
  --color-cyan-dim:    rgba(0, 221, 250, 0.12);

  /* Typography */
  --font-serif: 'Cormorant Garamond', 'Noto Serif JP', Georgia, serif;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;

  /* Layout */
  --container-max: 960px;
  --container-pad: clamp(1.25rem, 6vw, 3rem);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 0.25s;
  --dur-med:  0.6s;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ─── Focus visibility(キーボード操作対応) ─────── */
a:focus-visible,
button:focus-visible {
  outline: 1.5px solid var(--color-accent);
  outline-offset: 4px;
}

/* ─── Skip Link ─────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 0.6em 1.2em;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 2px;
  transition: top var(--dur-fast) var(--ease-out);
}
.skip-link:focus {
  top: 1rem;
}

/* ─── Layout Utility ────────────────────────── */
.portal-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.portal-only-pc { display: none; }
@media (min-width: 768px) {
  .portal-only-pc { display: inline; }
}

/* ─── Scroll Reveal(control-motionはJS/CSS両方で吸収) ─── */
.reveal-fade,
.reveal-up {
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}
.reveal-up { transform: translateY(20px); }
.revealed.reveal-fade,
.revealed.reveal-up {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Header
   ============================================================ */
.portal-header {
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 0;
}
.portal-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.portal-header__back {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  min-height: 44px;
  transition: color var(--dur-fast) var(--ease-out);
}
.portal-header__back:hover,
.portal-header__back:focus-visible {
  color: var(--color-text-primary);
}
.portal-header__label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ============================================================
   Hero
   ============================================================ */
.portal-hero {
  padding: clamp(3.5rem, 12vw, 8rem) 0 clamp(2.5rem, 8vw, 5rem);
  text-align: center;
}
.portal-hero__eyebrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}
.portal-hero__title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(3.2rem, 14vw, 6.5rem);
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}
.portal-hero__brand {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 2rem;
}
.portal-hero__desc {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(0.9rem, 2.4vw, 1rem);
  color: var(--color-text-secondary);
  max-width: 32em;
  margin: 0 auto;
}

/* ============================================================
   Portal Categories
   ============================================================ */
.portal-categories {
  padding: clamp(2rem, 6vw, 4rem) 0 clamp(3rem, 8vw, 6rem);
}
.portal-categories__header {
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.portal-categories__label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}
.portal-categories__title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--color-text-primary);
}

/* ─── DJ Feature Card ──────────────────────── */
/* 雑誌の目次のような佇まい: 大きなインデックス番号 + 罫線区切り。
   現時点では非インタラクティブな<div>(下記コメント参照)。 */
.portal-feature {
  display: flex;
  align-items: flex-start;
  gap: clamp(1rem, 4vw, 2.5rem);
  padding: clamp(1.75rem, 5vw, 2.75rem) clamp(1.25rem, 4vw, 2rem);
  margin-bottom: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-left: 3px solid var(--color-accent);
  position: relative;
}
.portal-feature__index {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2rem, 6vw, 2.75rem);
  color: var(--color-accent-dark);
  line-height: 1;
  flex-shrink: 0;
}
.portal-feature__body {
  flex: 1;
  min-width: 0;
}
.portal-feature__badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-cyan);
  background: var(--color-cyan-dim);
  border: 1px solid rgba(0, 221, 250, 0.3);
  padding: 0.3em 0.8em;
  border-radius: 999px;
  margin-bottom: 0.9rem;
}
.portal-feature__name {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}
.portal-feature__desc {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.01em;
  margin-bottom: 1.25rem;
}
.portal-feature__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: 0.4em;
}
.portal-feature__arrow {
  transition: transform var(--dur-fast) var(--ease-out);
}
/* 有効化後(<a>化後)を想定したホバー演出。現状は非インタラクティブなため発火しない。 */
.portal-feature:is(a):hover .portal-feature__cta,
.portal-feature:is(a):focus-visible .portal-feature__cta {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-accent);
}
.portal-feature:is(a):hover .portal-feature__arrow,
.portal-feature:is(a):focus-visible .portal-feature__arrow {
  transform: translateX(4px);
}

/* ─── Minor Categories(EVENT / WORKS / SHOP) ─── */
.portal-minor-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
.portal-minor {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem clamp(1.25rem, 4vw, 1.75rem);
  background: var(--color-bg);
}
.portal-minor__index {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 1.1rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.portal-minor__name {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  flex: 1;
}
.portal-minor__badge {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-light);
  padding: 0.35em 0.7em;
  border-radius: 999px;
  white-space: nowrap;
}

@media (min-width: 600px) {
  .portal-minor-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .portal-minor {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1.5rem;
  }
}

/* ============================================================
   Secondary Links
   ============================================================ */
.portal-secondary {
  padding: 0 0 clamp(3rem, 8vw, 5rem);
}
.portal-secondary__inner {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
}
.portal-secondary__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  padding: 1.15rem 0.25rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--dur-fast) var(--ease-out), padding-left var(--dur-fast) var(--ease-out);
}
.portal-secondary__link:hover,
.portal-secondary__link:focus-visible {
  color: var(--color-text-primary);
  padding-left: 0.5rem;
}
.portal-secondary__arrow {
  transition: transform var(--dur-fast) var(--ease-out);
}
.portal-secondary__link:hover .portal-secondary__arrow,
.portal-secondary__link:focus-visible .portal-secondary__arrow {
  transform: translateX(4px);
}

@media (min-width: 600px) {
  .portal-secondary__inner {
    flex-direction: row;
  }
  .portal-secondary__link {
    flex: 1;
    border-bottom: none;
  }
  .portal-secondary__link + .portal-secondary__link {
    border-left: 1px solid var(--color-border);
    padding-left: 1.5rem;
  }
  .portal-secondary__link:hover,
  .portal-secondary__link:focus-visible {
    padding-left: 0.25rem;
  }
  .portal-secondary__link + .portal-secondary__link:hover,
  .portal-secondary__link + .portal-secondary__link:focus-visible {
    padding-left: 2rem;
  }
}

/* ─── Utility / Staff Access(DJ / ADMIN LOGIN) ───────────────
   Portal Categoriesの大きなカードとは明確に区別する、控えめな
   1行リンク。通常時はミュートカラー、hover/focus時のみアクセント色。
   manage.cs-pj.com側の認証(Cloudflare Access)には一切関与しない、
   単純な外部リンク。 */
.portal-utility {
  padding-top: 0.5rem;
}
.portal-utility__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  min-height: 44px;
  padding: 0.6rem 0.25rem;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--dur-fast) var(--ease-out);
}
.portal-utility__link:hover,
.portal-utility__link:focus-visible {
  color: var(--color-accent);
}
.portal-utility__arrow {
  display: inline-block;
  font-size: 0.9em;
  transition: transform var(--dur-fast) var(--ease-out);
}
.portal-utility__link:hover .portal-utility__arrow,
.portal-utility__link:focus-visible .portal-utility__arrow {
  transform: translate(2px, -2px);
}

/* ============================================================
   Footer
   ============================================================ */
/* cs-pj.comトップページ(/index.html)の .footer / .footer-inner / .footer-brand /
   .footer-logo-bg / .footer-copy を基準に、値をこのファイルへ複製したもの。
   ページとしては独立しているため、本体側の /css/style.css を変更しても
   このページには影響しない。 */
.portal-footer {
  border-top: 1px solid var(--color-border);
  padding: 3rem 0;
}
.portal-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.portal-footer__brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.portal-footer__logo-bg {
  display: block;
  background: #0e0e0e;
  padding: 2px 6px;
  line-height: 0;
}
.portal-footer__logo-img {
  height: 32px;
  width: auto;
  display: block;
}
.portal-footer__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}
.portal-footer__privacy-link {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--dur-fast) var(--ease-out);
}
.portal-footer__privacy-link:hover,
.portal-footer__privacy-link:focus-visible {
  color: var(--color-accent);
}
.portal-footer__copy small,
.portal-footer small {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}
@media (max-width: 640px) {
  .portal-footer__inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .portal-footer__brand {
    flex-direction: column;
    gap: 0.5rem;
  }
  .portal-footer__copy {
    align-items: center;
  }
}

/* ============================================================
   Breakpoints — Desktop以上で余白と存在感を強調
   ============================================================ */
@media (min-width: 1024px) {
  :root {
    --container-max: 1040px;
  }
  .portal-feature {
    padding: 3.5rem 3rem;
  }
  .portal-feature__index {
    font-size: 3.25rem;
  }
}

/* ============================================================
   Reduced Motion — すべてのアニメーション/トランジションを無効化
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal-fade,
  .reveal-up {
    opacity: 1 !important;
    transform: none !important;
  }
}