/* =========================================================
   REBOOT CAMP — noir edition / components
   ========================================================= */

/* ---- カスタムカーソル ---- */
.cursor {
  position: fixed; top: 0; left: 0; z-index: 9999; pointer-events: none;
  width: 40px; height: 40px; border: 1.5px solid var(--sea-dim); border-radius: 50%;
  transition: width .45s var(--ease), height .45s var(--ease),
              border-color .45s var(--ease), background-color .45s var(--ease), opacity .3s;
}
.cursor.is-hover { width: 84px; height: 84px; border-color: var(--sea); background: var(--sea-glow); }
.cursor-dot {
  position: fixed; top: 0; left: 0; z-index: 9999; pointer-events: none;
  width: 5px; height: 5px; border-radius: 50%; background: var(--gold);
}
.cursor-hidden .cursor, .cursor-hidden .cursor-dot { opacity: 0; }
/* カスタムカーソルが挿入された端末(=desktop)だけ実カーソルを隠す */
body:has(> .cursor-dot) { cursor: none; }
body:has(> .cursor-dot) a, body:has(> .cursor-dot) button { cursor: none; }

/* ---- マグネティックボタン ---- */
.btn {
  display: inline-flex; align-items: center; gap: 12px; isolation: isolate;
  font-family: var(--f-mono); font-size: .8rem; letter-spacing: .16em; text-transform: uppercase;
  padding: 18px 34px; border: 1px solid var(--line-2); border-radius: var(--r);
  color: var(--paper); position: relative; overflow: hidden; will-change: transform;
  transition: border-color .5s var(--ease), color .5s var(--ease);
}
.btn .arw { transition: transform .5s var(--ease); }
.btn:hover .arw { transform: translateX(7px); }
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }

.btn-gold { border-color: var(--line-gold); color: var(--gold); }
.btn-gold::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--gold); transform: translateY(101%);
  transition: transform .55s var(--ease);
}
.btn-gold:hover { color: var(--ink); border-color: var(--gold); }
.btn-gold:hover::before { transform: translateY(0); }

.btn-ghost { color: var(--paper-dim); }
.btn-ghost:hover { color: var(--paper); border-color: var(--line-gold); }

/* ---- グローバルヘッダー（固定・スクロール層の外） ---- */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px var(--pad);
  transition: padding .5s var(--ease), background-color .5s var(--ease);
}
.site-header.is-scrolled { padding-block: 15px; background: rgba(247,243,234,0.85); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.brand { font-family: var(--f-display); font-weight: 800; letter-spacing: .04em; font-size: 1.06rem; }
.brand b { color: var(--gold); }
.nav { display: flex; gap: 34px; }
.nav a {
  font-family: var(--f-mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--paper-dim); position: relative; padding: 6px 0;
  transition: color .4s var(--ease);
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px;
  background: var(--gold); transform: scaleX(0); transform-origin: 0 50%;
  transition: transform .5s var(--ease);
}
.nav a:hover { color: var(--gold); }
.nav a:hover::after { transform: scaleX(1); }
.header-cta { display: inline-flex; color: var(--paper); border-color: transparent; background: rgba(252,250,243,0.86); backdrop-filter: blur(10px); box-shadow: 0 10px 30px -16px rgba(16,53,63,0.35); }
.header-cta:hover { border-color: var(--line-sea); color: var(--sea-deep); }
.site-header:not(.is-solid):not(.is-scrolled) .nav a { color: var(--paper); }
@media (max-width: 860px) { .nav { display: none; } }

/* ---- 読了バー（記事詳細で使用） ---- */
.reading-progress {
  position: fixed; top: 0; left: 0; width: 100%; height: 2px; z-index: 200;
  background: var(--gold); transform: scaleX(0); transform-origin: 0 50%;
}

/* ---- グローバルフッター ---- */
.site-footer { background: var(--ink-deep); color: var(--on-deep); padding-block: clamp(64px, 9vh, 120px); }
.site-footer .brand { color: var(--on-deep); }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 48px; }
.footer-brand { max-width: 340px; }
.footer-brand .brand { font-size: 1.4rem; }
.footer-brand p { margin-top: 18px; color: var(--on-deep-dim); font-size: .92rem; line-height: 1.8; }
.footer-col h4 { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .28em; text-transform: uppercase; color: var(--gold-soft); margin-bottom: 20px; }
.footer-col a { display: block; color: var(--on-deep-dim); padding: 7px 0; font-size: .92rem; transition: color .4s; }
.footer-col a:hover { color: var(--gold-soft); }
.footer-bot { margin-top: clamp(48px, 7vh, 84px); padding-top: 28px; border-top: 1px solid rgba(247,243,234,0.16); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.footer-bot span { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .1em; color: rgba(247,243,234,0.5); }