/* =========================================================
   G-Links リニューアル — 共有デザインシステム
   濃紺ネイビー × スチールグレー / Noto Sans JP
   ========================================================= */

:root{
  /* color — 合同会社G-Links ブランド由来（navy #124277 / orange #ff924c） */
  --navy:#16457c;
  --navy-700:#103a68;
  --navy-900:#0c2c52;
  --navy-050:#eaf1f9;
  --steel:#5b7185;
  --steel-300:#9aabba;
  --ink:#1f2a37;
  --muted:#5d6b7a;
  --line:#e4e9ef;
  --line-soft:#eef1f5;
  --bg:#ffffff;
  --bg-tint:#f6f8fa;
  --bg-tint-2:#eff3f7;
  --orange:#ff7d39;        /* ブランドのオレンジ（控えめなアクセント） */
  --orange-soft:#ff924c;
  --gold:var(--orange);    /* 旧名互換 */
  --ok:#2e9e6b;

  /* type */
  --sans:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  --lat:"Outfit","Noto Sans JP",sans-serif;

  /* layout */
  --maxw:1180px;
  --gutter:clamp(20px,5vw,40px);
  --radius:12px;
  --radius-sm:8px;
  --shadow-sm:0 1px 2px rgba(12,44,82,.05),0 2px 6px rgba(12,44,82,.05);
  --shadow:0 6px 24px rgba(12,44,82,.08),0 2px 6px rgba(12,44,82,.05);
  --shadow-lg:0 24px 60px rgba(12,44,82,.14),0 6px 16px rgba(12,44,82,.07);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.9;font-weight:400;letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
.ic{width:18px;height:18px;flex:0 0 auto}
.btn .ic{width:18px;height:18px}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.4;color:var(--navy-900)}
p{margin:0}
::selection{background:var(--navy);color:#fff}

/* ---------- layout helpers ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(56px,8vw,104px)}
.section--tint{background:var(--bg-tint)}
.eyebrow{
  font-family:var(--lat);font-size:13px;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:var(--steel);display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1.5px;background:var(--gold)}

/* section heading block */
.shead{margin-bottom:clamp(32px,5vw,52px)}
.shead__ttl{
  font-size:clamp(26px,3.4vw,38px);letter-spacing:.04em;
  position:relative;padding-bottom:18px;
}
.shead__ttl::after{
  content:"";position:absolute;left:0;bottom:0;width:54px;height:3px;
  background:var(--navy);border-radius:2px;
}
.shead--center{text-align:center}
.shead--center .shead__ttl::after{left:50%;transform:translateX(-50%)}
.shead__lead{margin-top:18px;color:var(--muted);font-size:clamp(15px,1.6vw,17px);max-width:62ch}
.shead--center .shead__lead{margin-inline:auto}

/* ---------- buttons ---------- */
.btn{
  --bg:var(--navy);--fg:#fff;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border-radius:999px;font-weight:700;font-size:15.5px;letter-spacing:.05em;
  background:var(--bg);color:var(--fg);border:1.5px solid var(--bg);cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  box-shadow:0 6px 18px rgba(27,58,91,.22);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(27,58,91,.30)}
.btn:focus-visible{outline:3px solid var(--steel-300);outline-offset:3px}
.btn .arr{transition:transform .2s ease}
.btn:hover .arr{transform:translateX(4px)}
.btn--ghost{--bg:transparent;--fg:var(--navy);border-color:var(--line);box-shadow:none;background:#fff}
.btn--ghost:hover{border-color:var(--navy);box-shadow:0 8px 20px rgba(15,35,53,.08)}
.btn--lg{padding:18px 40px;font-size:16.5px}
.btn--light{--bg:#fff;--fg:var(--navy)}
.btn--outline-light{--bg:transparent;--fg:#fff;border-color:rgba(255,255,255,.55);box-shadow:none}
.btn--outline-light:hover{background:rgba(255,255,255,.10);border-color:#fff}

/* ---------- utility top bar ---------- */
.topbar{background:var(--navy-900);color:rgba(255,255,255,.86);font-size:12.5px;letter-spacing:.05em}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px}
.topbar__tag{display:inline-flex;align-items:center;gap:8px;font-weight:500}
.topbar__tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
.topbar__util{display:flex;align-items:center;gap:14px}
.topbar__util a{opacity:.78;display:inline-flex;transition:opacity .2s}
.topbar__util a:hover{opacity:1}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(15,35,53,.07)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:90px}
.brand{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.brand__img{height:62px;width:auto;display:block}
@media (max-width:560px){.brand__img{height:50px}}
.brand__logo{display:flex;flex-direction:column;line-height:1.15}
.brand__supra{font-size:11px;letter-spacing:.1em;color:var(--steel);font-weight:600}
.brand__name{font-family:var(--lat);font-size:25px;font-weight:700;color:var(--navy);letter-spacing:.01em;display:flex;align-items:baseline;gap:2px}
.brand__name b{color:var(--gold)}
.brand__sub{font-size:10.5px;letter-spacing:.14em;color:var(--muted)}
.brand__mark{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--navy),var(--steel));color:#fff;font-family:var(--lat);font-weight:700;font-size:20px;flex:0 0 auto;box-shadow:var(--shadow-sm)}

.mainnav{display:flex;align-items:center;gap:4px}
.mainnav a{position:relative;padding:10px 14px;font-size:14.5px;font-weight:500;color:var(--ink);border-radius:8px;transition:color .2s,background .2s;white-space:nowrap}
.mainnav a:hover{color:var(--navy);background:var(--navy-050)}
.mainnav a[aria-current="page"]{color:var(--navy);font-weight:700}
.mainnav a[aria-current="page"]::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--navy);border-radius:2px}
.nav__cta{margin-left:6px}
.nav__toggle{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center;color:var(--navy)}
.nav__toggle svg{width:24px;height:24px}

/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:60;display:none}
.drawer[open],.drawer.is-open{display:block}
.drawer__veil{position:absolute;inset:0;background:rgba(12,44,82,.45);opacity:0;transition:opacity .3s}
.drawer.is-open .drawer__veil{opacity:1}
.drawer__panel{position:absolute;top:0;right:0;height:100%;width:min(86vw,360px);background:#fff;box-shadow:var(--shadow-lg);
  padding:24px 22px;display:flex;flex-direction:column;gap:6px;transform:translateX(100%);transition:transform .32s cubic-bezier(.3,.7,.2,1);overflow-y:auto}
.drawer.is-open .drawer__panel{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer__close{width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;color:var(--navy);display:grid;place-items:center}
.drawer__panel a{padding:15px 12px;border-radius:10px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line-soft)}
.drawer__panel a:hover{background:var(--navy-050);color:var(--navy)}
.drawer__panel .btn{margin-top:16px;border-bottom:none}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-900);color:rgba(255,255,255,.74);padding-block:64px 28px;font-size:14px}
.site-footer a{color:rgba(255,255,255,.74);transition:color .2s}
.site-footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-brand .brand__name{color:#fff}
.foot-brand .brand__supra{color:var(--steel-300)}
.foot-brand p{margin-top:16px;font-size:13.5px;line-height:1.95;color:rgba(255,255,255,.62)}
.foot-col h4{color:#fff;font-size:13px;letter-spacing:.08em;margin-bottom:16px}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;font-size:14px}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:22px;font-size:12.5px;color:rgba(255,255,255,.5);gap:16px;flex-wrap:wrap}

/* ---------- breadcrumb ---------- */
.crumb{background:var(--bg-tint);border-bottom:1px solid var(--line)}
.crumb .wrap{display:flex;align-items:center;gap:8px;min-height:48px;font-size:13px;color:var(--muted)}
.crumb a:hover{color:var(--navy)}
.crumb svg{opacity:.5}

/* ---------- generic cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d6deea}

/* point/list item with navy check */
.plist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:22px}
.pitem{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start}
.pitem__ic{width:30px;height:30px;border-radius:8px;background:var(--navy-050);color:var(--navy);display:grid;place-items:center;flex:0 0 auto;margin-top:2px}
.pitem h4{font-size:17px;margin-bottom:6px}
.pitem p{color:var(--muted);font-size:15px}

/* ---------- image placeholder ---------- */
.ph{position:relative;overflow:hidden;background:
  repeating-linear-gradient(135deg,#e9eef3 0 12px,#eef2f6 12px 24px);
  display:grid;place-items:center;color:var(--steel);border-radius:var(--radius)}
.ph::after{content:attr(data-label);font-family:var(--lat);font-size:12px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--steel);background:rgba(255,255,255,.7);padding:6px 12px;border-radius:999px;border:1px solid var(--line)}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:920px){
  .foot-grid{grid-template-columns:1fr 1fr}
  .mainnav,.nav__cta{display:none}
  .nav__toggle{display:inline-flex}
}
@media (max-width:560px){
  .topbar__util{display:none}
  .foot-grid{grid-template-columns:1fr;gap:32px}
}