/* ===== ANDAIR 下層ページ共通スタイル ===== */
:root{--navy:#1f3f6e;--blue:#3f7fc4;--sky:#7db4e6;--ink:#22344e;--gray:#7d8aa0;--mist:#eef4fb;--line:#e7ebf1;--ph:#cfdcec;--maxw:1180px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans JP",sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.9;background:#fff}
a{color:inherit;text-decoration:none}
.en{font-family:"Montserrat",sans-serif}
.serif{font-family:"Cormorant Garamond",serif}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 48px}
.ph{background:linear-gradient(135deg,#d3e0ee,#c2d3e8);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.ph::after{content:attr(data-label);font-family:"Montserrat";font-size:11px;letter-spacing:.25em;color:#90a3bc;font-weight:500}

/* ヘッダー（白固定） */
header.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:18px 48px;background:rgba(255,255,255,.93);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.nav .logo{height:30px}
header.nav .menu{display:flex;align-items:center;gap:34px}
header.nav .menu a{font-size:13.5px;font-weight:500;transition:.2s}
header.nav .menu a:hover{color:var(--blue)}
header.nav .menu a.cta{font-family:"Montserrat";font-weight:600;font-size:12px;letter-spacing:.1em;background:var(--navy);color:#fff;padding:12px 26px;border-radius:30px}

/* ページヒーロー */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(125deg,#1f3f6e 0%,#3f7fc4 60%,#7db4e6 100%);color:#fff;padding:118px 0 92px;text-align:center}
.page-hero .air{position:absolute;inset:0;background:url(airflow.svg) center/cover no-repeat;opacity:.45;mix-blend-mode:screen}
.page-hero .inner{position:relative;z-index:2}
.page-hero .en-ttl{font-family:"Cormorant Garamond",serif;font-size:18px;letter-spacing:.3em;color:#cfe2f5;display:block;margin-bottom:14px;text-transform:uppercase}
.page-hero h1{font-size:42px;font-weight:900;letter-spacing:.05em}
.page-hero .crumb{position:relative;z-index:2;font-size:12px;color:#dceaf8;margin-top:22px;letter-spacing:.04em}

/* 区切り曲線 */
.curve-sep{line-height:0;margin-top:-1px}
.curve-sep svg{display:block;width:100%;height:90px}

/* セクション */
.sec{padding:104px 0;position:relative}
.sec.mist{background:var(--mist)}
.shead{text-align:center;margin-bottom:58px}
.shead .ttl-en{font-family:"Cormorant Garamond",serif;font-size:17px;letter-spacing:.3em;color:var(--blue);font-weight:600;text-transform:uppercase;display:block;margin-bottom:12px}
.shead h2{font-size:34px;font-weight:900;letter-spacing:.03em}
.shead p{color:var(--gray);font-size:15px;margin-top:14px}

/* CTA */
.cta{background:linear-gradient(125deg,#1f3f6e,#3f7fc4);color:#fff;text-align:center;padding:96px 0}
.cta .ttl-en{font-family:"Cormorant Garamond",serif;font-size:17px;letter-spacing:.25em;color:#cfe2f5;display:block;margin-bottom:18px;text-transform:uppercase}
.cta h2{font-size:32px;font-weight:900;margin-bottom:18px;line-height:1.5}
.cta p{font-size:15px;color:#dbe6f6;margin-bottom:36px}
.cta a.btn{font-family:"Montserrat";font-weight:600;font-size:14px;letter-spacing:.08em;background:#fff;color:var(--navy);padding:20px 56px;border-radius:36px;display:inline-block;transition:.25s}
.cta a.btn:hover{transform:translateY(-2px)}

/* フッター */
footer.ft{background:var(--ink);color:#aeb9c9;padding:70px 0 32px}
footer.ft .top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:36px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.12)}
footer.ft .flogo{height:30px;margin-bottom:18px;filter:brightness(0) invert(1)}
footer.ft .info{font-size:13.5px;line-height:2}
footer.ft .fnav{display:flex;gap:56px}
footer.ft .fnav h5{font-family:"Montserrat";font-size:11px;letter-spacing:.14em;color:#7c8aa0;margin-bottom:14px}
footer.ft .fnav a{display:block;font-size:14px;margin-bottom:11px;color:#cdd6e3}
footer.ft .fnav a:hover{color:#fff}
footer.ft .copy{text-align:center;font-size:11px;letter-spacing:.1em;color:#6b7a91;padding-top:26px;font-family:"Montserrat"}