/* =========================================================
   TalentBank — common.css
   配色トークン / 基本スタイル / グローバルヘッダー・フッター
   全ページがこのファイルを読み込む（各ページの :root 重複は廃止）
   ========================================================= */

:root {
  --color-bg: #FAFBFC;
  --color-surface: #FFFFFF;
  --color-border: rgba(20, 30, 60, 0.08);
  --color-border-strong: rgba(20, 30, 60, 0.16);
  --color-text: #0E1A36;
  --color-text-muted: #5A6478;
  --color-text-dim: #8B92A5;
  --color-accent: #1790D6;
  --color-accent-light: #E2F1FC;
  --color-accent-dim: #5BB4EC;
  --color-accent-2: #FFD400;
  --color-accent-2-light: #FFF6CC;
  --color-accent-2-dim: #F5C400;
  --font-jp: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --header-h: 68px;
}

/* ===== Base ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-jp);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.85;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
.section__inner { max-width: 1100px; margin: 0 auto; position: relative; z-index: 1; }

/* ===== Global Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  max-width: 1200px; margin: 0 auto; height: var(--header-h);
  padding: 0 28px; display: flex; align-items: center; justify-content: space-between;
}
.site-header__logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.site-header__logo-mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dim));
  display: flex; align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 4px 12px rgba(23, 144, 214, 0.3);
}
.site-header__logo-mark svg { width: 18px; height: 18px; }
.site-header__logo-text {
  font-family: var(--font-en); font-weight: 800; font-size: 19px;
  letter-spacing: -0.02em; color: var(--color-text);
}
.site-header__logo-text span { color: var(--color-accent); }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav__link {
  font-size: 14px; font-weight: 600; color: var(--color-text-muted);
  text-decoration: none; transition: color 0.2s;
}
.site-nav__link:hover,
.site-nav__link[aria-current="page"] { color: var(--color-accent); }
.site-header__cta {
  display: inline-flex; align-items: center; background: var(--color-accent);
  color: #fff; font-size: 14px; font-weight: 700; padding: 10px 22px;
  border-radius: 999px; text-decoration: none; transition: opacity 0.2s, transform 0.2s;
}
.site-header__cta:hover { opacity: 0.9; transform: translateY(-1px); }

/* mobile menu — CSSのみ（JS不要） */
.site-nav__toggle { display: none; }
.site-nav__burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.site-nav__burger span { width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; transition: 0.25s; }

@media (max-width: 860px) {
  .site-nav__burger { display: flex; }
  .site-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: var(--color-surface); flex-direction: column; align-items: stretch;
    gap: 0; padding: 8px 0; border-bottom: 1px solid var(--color-border);
    box-shadow: 0 12px 30px rgba(20, 30, 60, 0.08);
    transform: translateY(-130%); transition: transform 0.28s ease;
  }
  .site-nav__link { padding: 14px 28px; }
  .site-header__cta { margin: 8px 28px; justify-content: center; }
  .site-nav__toggle:checked ~ .site-nav { transform: translateY(0); }
  .site-nav__toggle:checked ~ .site-nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-nav__toggle:checked ~ .site-nav__burger span:nth-child(2) { opacity: 0; }
  .site-nav__toggle:checked ~ .site-nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ===== Global Footer ===== */
.site-footer { background: var(--color-text); color: #fff; padding: 64px 28px 28px; }
.site-footer__inner {
  max-width: 1100px; margin: 0 auto; display: flex; flex-wrap: wrap;
  justify-content: space-between; gap: 40px;
}
.site-footer__logo {
  font-family: var(--font-en); font-weight: 800; font-size: 22px;
  letter-spacing: -0.02em; margin-bottom: 10px;
}
.site-footer__logo span { color: var(--color-accent-dim); }
.site-footer__tagline { font-size: 13px; color: rgba(255, 255, 255, 0.6); }
.site-footer__cols { display: flex; gap: 56px; flex-wrap: wrap; }
.site-footer__col { display: flex; flex-direction: column; gap: 10px; }
.site-footer__col-title {
  font-size: 12px; font-weight: 700; letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5); text-transform: uppercase; margin-bottom: 4px;
}
.site-footer__col a { font-size: 14px; color: rgba(255, 255, 255, 0.85); text-decoration: none; transition: color 0.2s; }
.site-footer__col a:hover { color: #fff; }
.site-footer__soon { font-size: 13px; color: var(--color-accent-2); font-weight: 700; }
.site-footer__bottom {
  max-width: 1100px; margin: 48px auto 0; padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center;
}
.site-footer__legal { display: flex; gap: 24px; }
.site-footer__legal a { font-size: 12px; color: rgba(255, 255, 255, 0.6); text-decoration: none; }
.site-footer__legal a:hover { color: #fff; }
.site-footer__copy { font-family: var(--font-en); font-size: 12px; color: rgba(255, 255, 255, 0.45); }

@media (max-width: 768px) {
  .site-footer__inner { flex-direction: column; gap: 32px; }
  .site-footer__cols { gap: 36px; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
}