/* TEJINA.JP 共通ヘッダー・フッター（events 準拠ヘッダー + 白基調フッター） */

/* スクロールバーの有無でヘッダーの中央寄せが数px動くのを防ぐ（全ページで領域を常に確保） */
html { scrollbar-gutter: stable; }

/* ===== Header ===== */
.site-header {
    background: #000;
    color: #fff;
    border-bottom: 1px solid #000;
}
.site-header__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.site-header__brand {
    display: inline-flex;
    align-items: baseline;
    gap: 0;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: #fff;
    text-decoration: none;
    font-size: 18px;
}
.site-header__brand:hover { color: #fff; text-decoration: none; }
.site-header__beta {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0;
    line-height: 1;
    color: rgba(255, 255, 255, 0.55);
}
.site-header__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 0.12em;
    font-size: 13px;
}
.site-header__nav a {
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
    padding-bottom: 2px;
    border-bottom: 1px solid transparent;
}
.site-header__nav a:hover { color: #fff; }
.site-header__nav a[aria-current="page"] {
    color: #fff;
    border-bottom-color: #fff;
}

/* ===== Page head（全下層ページ共通） ===== */
.page-head {
    text-align: center;
    padding: 12px 0 8px;
    margin-bottom: 40px;
}
.page-head__title,
.page-head h1 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    letter-spacing: 0.18em;
    font-size: clamp(28px, 5vw, 48px);
    line-height: 1.7;
    color: #111;
    margin: 0 0 12px;
}
.page-head__lead,
.page-head p,
.page-head .lead {
    font-size: 13px;
    color: rgba(0, 0, 0, 0.6);
    letter-spacing: 0.05em;
    margin: 0;
}
@media (max-width: 600px) {
    .page-head { margin-bottom: 32px; }
}

/* ===== Footer ===== */
.site-footer {
    margin-top: 60px;
    padding: 24px 16px 32px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    text-align: center;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 12px;
    color: rgba(0, 0, 0, 0.5);
    letter-spacing: 0.05em;
}
/* 臨時: サイト改善要望フォーム（不要になったら削除） */
.site-footer__feedback {
    margin: 0 0 16px;
}
.site-footer__feedback a {
    display: inline-block;
    padding: 8px 18px;
    border: 1px solid rgba(0, 0, 0, 0.18);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.85);
    color: rgba(0, 0, 0, 0.82);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.site-footer__feedback a:hover {
    background: #fff;
    border-color: rgba(0, 0, 0, 0.35);
    color: #000;
}

.site-footer__nav {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.site-footer__nav a {
    color: rgba(0, 0, 0, 0.7);
    text-decoration: none;
}
.site-footer__nav a:hover { color: #000; }
.site-footer__social-row {
    margin-bottom: 14px;
}
.site-footer__social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: rgba(0, 0, 0, 0.7);
    background: transparent;
    transition: color 0.2s ease, background 0.2s ease;
}
.site-footer__social:hover { color: #000; background: rgba(0, 0, 0, 0.06); }
.site-footer__social svg { width: 16px; height: 16px; display: block; }
.site-footer__copy { margin: 0; font-family: 'Orbitron', sans-serif; letter-spacing: 0.1em; }

@media (max-width: 768px) {
    .site-header__inner { padding: 14px 16px; }
    .site-header__nav { gap: 12px; font-size: 11px; }
}