/* ヨネハラ空設 社内ポータル
   色はロゴのブランド定義から：ヨネハラ・ブルー #20529F／スカイブルー #2AB2E8／アニバーサリー・ゴールド #E5C845
   紺 #0E1B3E は10周年のサイン類で使った地色 */
:root {
  --navy: #0e1b3e;
  --navy-2: #16295a;
  --blue: #20529f;
  --sky: #2ab2e8;
  --sky-soft: #e4f4fc;
  --gold: #e5c845;
  --gold-ink: #8a6a12;
  --ink: #14213d;
  --muted: #5e6b82;
  --line: #dde4ee;
  --paper: #ffffff;
  --bg: #f3f6fa;

  --t-body: clamp(14.5px, 0.95vw + 9px, 16.5px);
  --t-small: clamp(12px, 0.4vw + 10px, 13.5px);
  --t-lead: clamp(16px, 1vw + 12px, 20px);
  --t-h3: clamp(17px, 1vw + 12px, 22px);
  --t-h2: clamp(22px, 1.8vw + 14px, 36px);
  --t-h1: clamp(28px, 2.6vw + 16px, 50px);

  --pad: clamp(16px, 4.5vw, 72px);
  --gap: clamp(12px, 1.6vw, 22px);
  --sec: clamp(48px, 8vh, 110px);
  --maxw: 1280px;
  --r-lg: clamp(20px, 2.4vw, 34px);
  --r-md: 18px;
  --shadow: 0 1px 2px rgba(14, 27, 62, .05), 0 14px 34px -18px rgba(14, 27, 62, .25);
  --en: "Barlow Condensed", "DIN Condensed", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 var(--t-body)/1.9 "Zen Kaku Gothic New", system-ui, sans-serif;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.en { font-family: var(--en); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.p-jp { line-break: strict; word-break: normal; overflow-wrap: normal; }

/* ヘッダー */
.top {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid rgba(221, 228, 238, .8);
}
.top .wrap { display: flex; align-items: center; gap: 24px; height: 66px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; flex: none; }
.brand img { height: 30px; width: auto; }
.brand span { font-size: 12px; color: var(--muted); border-left: 1px solid var(--line); padding-left: 12px; letter-spacing: .1em; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a {
  text-decoration: none; font-size: 14px; font-weight: 500; padding: 8px 14px; border-radius: 999px;
  color: var(--muted); transition: background .2s, color .2s;
}
.nav a:hover { color: var(--ink); background: var(--bg); }
.nav a[aria-current="page"] { color: #fff; background: var(--navy); }
.menu { display: none; margin-left: auto; border: 0; background: none; width: 44px; height: 44px; border-radius: 12px; cursor: pointer; }
.menu svg { width: 22px; margin: auto; }

@media (max-width: 900px) {
  .brand span { display: none; }
  .menu { display: grid; }
  .nav {
    position: fixed; inset: 66px 0 auto 0; flex-direction: column; gap: 0; padding: 8px var(--pad) 20px;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 20px 40px -24px rgba(14, 27, 62, .3);
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: .2s;
  }
  .nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav a { font-size: 16px; padding: 14px 4px; border-radius: 0; border-bottom: 1px solid var(--line); }
  .nav a[aria-current="page"] { background: none; color: var(--blue); }
}

/* ページの頭 */
.head { padding: clamp(36px, 7vh, 80px) 0 clamp(24px, 4vh, 44px); }
.head .en { color: var(--sky); font-size: 15px; display: block; margin-bottom: 6px; }
.head h1 { font-size: var(--t-h1); line-height: 1.35; margin: 0; letter-spacing: .04em; font-weight: 700; }
.head p { color: var(--muted); max-width: 40em; margin: 14px 0 0; font-size: var(--t-lead); line-height: 1.8; }

/* カード */
.card { background: var(--paper); border-radius: var(--r-lg); box-shadow: var(--shadow); }
.chip {
  display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 3px 12px;
  font-size: 12.5px; font-weight: 500; background: var(--sky-soft); color: var(--blue);
}
.chip.gold { background: #faf3d8; color: var(--gold-ink); }
.chip.mute { background: var(--bg); color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; gap: 10px; text-decoration: none; cursor: pointer;
  border: 0; border-radius: 999px; padding: 12px 22px; font-weight: 700; font-size: 15px;
  background: var(--blue); color: #fff; transition: background .2s, transform .2s;
}
.btn:hover { background: var(--navy); }
.btn.ghost { background: transparent; color: var(--blue); box-shadow: inset 0 0 0 1.5px currentColor; }
.btn.ghost:hover { background: var(--sky-soft); }
.btn svg { width: 18px; height: 18px; }

/* フッター */
.foot { margin-top: var(--sec); background: var(--navy); color: #c8d2e6; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 20px 40px; align-items: center; justify-content: space-between; padding-top: 40px; padding-bottom: 44px; }
.foot img { height: 30px; width: auto; opacity: .95; }
.foot p { margin: 0; font-size: 12.5px; line-height: 1.8; }

:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; border-radius: 6px; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }