/* ===========================================================
   IDAC Office — idac-office.com
   Design tokens
   =========================================================== */
@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@500;700;900&family=Noto+Sans+JP:wght@300;400;500;600;700&display=swap');

:root{
  --ink:#182231;
  --ink-soft:#4E5D74;
  --ink-mute:#7C8AA0;
  --paper:#F5F6F5;
  --surface:#FFFFFF;
  --surface-tint:#EBEEEC;
  --brand:#163E6C;
  --brand-deep:#0E2A4E;
  --accent:#C22A2F;
  --accent-soft:#F7E2E1;
  --border:rgba(22,62,108,.15);
  --shadow:0 1px 2px rgba(14,25,40,.06), 0 8px 24px rgba(14,25,40,.05);
  --header-h:76px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:'Noto Sans JP','Hiragino Kaku Gothic ProN','Hiragino Sans',sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
h1,h2,h3{
  font-family:'Zen Kaku Gothic New','Hiragino Sans',sans-serif;
  margin:0;
  text-wrap:balance;
}
p{ margin:0; }
.inner{ max-width:1040px; margin:0 auto; padding:0 24px; }
.fullbleed{ margin-left:calc(50% - 50vw); margin-right:calc(50% - 50vw); width:100vw; }

/* ===========================================================
   Header / nav
   =========================================================== */
.site-header{
  position:sticky; top:0; z-index:40;
  background:rgba(245,246,245,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  height:var(--header-h);
}
.site-header .inner{
  height:100%;
  display:flex; align-items:center; justify-content:space-between;
  gap:24px;
}
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; flex-shrink:0; }
.brand img{ height:30px; width:auto; }
.brand-name{
  font-family:'Zen Kaku Gothic New',sans-serif;
  font-weight:700; font-size:13px; letter-spacing:.04em;
  color:var(--ink); line-height:1.3;
}
.brand-name small{ display:block; font-weight:500; font-size:10.5px; color:var(--ink-mute); letter-spacing:.06em; }

.main-nav{ display:flex; align-items:center; gap:4px; }
.main-nav a{
  text-decoration:none; font-size:14px; font-weight:500; color:var(--ink-soft);
  padding:10px 16px; border-radius:2px; position:relative;
}
.main-nav a:hover{ color:var(--brand); }
.main-nav a.is-active{ color:var(--brand); font-weight:700; }
.main-nav a.is-active::after{
  content:''; position:absolute; left:16px; right:16px; bottom:6px; height:2px; background:var(--accent);
}
.nav-cta{
  display:inline-flex; align-items:center; gap:6px;
  background:var(--brand); color:#fff !important; font-weight:700; font-size:13.5px;
  padding:10px 20px !important; border-radius:2px; margin-left:8px;
}
.nav-cta:hover{ background:var(--brand-deep); }

.nav-toggle{
  display:none; background:none; border:0; cursor:pointer; padding:8px; margin:-8px;
}
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--ink); margin:5px 0; transition:.2s; }

@media (max-width:860px){
  .nav-toggle{ display:block; }
  .main-nav{
    position:fixed; inset:var(--header-h) 0 0 0; height:calc(100vh - var(--header-h));
    background:var(--surface); flex-direction:column; align-items:stretch; gap:0;
    padding:12px 24px 32px; overflow-y:auto;
    transform:translateY(-8px); opacity:0; pointer-events:none; visibility:hidden;
    transition:opacity .18s ease, transform .18s ease;
  }
  .main-nav.is-open{ opacity:1; pointer-events:auto; visibility:visible; transform:translateY(0); }
  .main-nav a{ padding:16px 4px; border-bottom:1px solid var(--border); font-size:16px; }
  .nav-cta{ margin:16px 0 0; justify-content:center; }
}

/* ===========================================================
   Page hero (interior pages)
   =========================================================== */
.page-hero{
  background:linear-gradient(160deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff; padding:64px 0 68px; text-align:center;
}
.page-hero .eyebrow{ font-size:12.5px; letter-spacing:.16em; color:#E9C9C9; font-weight:700; margin:0 0 14px; }
.page-hero h1{ font-size:clamp(26px,4.2vw,36px); font-weight:900; color:#fff; }
.page-hero p{ font-size:15px; color:#D8E1EC; max-width:52ch; margin:16px auto 0; }

/* ===========================================================
   Hero (home)
   =========================================================== */
.hero{
  background:linear-gradient(160deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff; padding:88px 0 96px; text-align:center;
}
.hero .eyebrow{ font-size:13px; letter-spacing:.16em; color:#E9C9C9; font-weight:700; margin:0 0 18px; }
.hero h1{ font-size:clamp(30px,5vw,46px); font-weight:900; line-height:1.5; color:#fff; }
.hero p.lead{ font-size:16px; color:#D8E1EC; max-width:52ch; margin:22px auto 0; }
.hero .hero-ctas{ display:flex; gap:12px; justify-content:center; flex-wrap:wrap; margin-top:36px; }

.cta{
  display:inline-block; background:var(--accent); color:#fff; font-weight:700; font-size:15px;
  padding:15px 36px; border-radius:2px; text-decoration:none; letter-spacing:.02em; border:0; cursor:pointer;
}
.cta:hover{ background:#a8232a; }
.cta-outline{
  display:inline-block; background:transparent; color:#fff; font-weight:700; font-size:15px;
  padding:14px 34px; border-radius:2px; text-decoration:none; letter-spacing:.02em; border:1px solid rgba(255,255,255,.5);
}
.cta-outline:hover{ border-color:#fff; }

/* ===========================================================
   Generic sections
   =========================================================== */
section{ padding:80px 0; }
section.tint{ background:var(--surface-tint); }
h2.section-title{ font-size:26px; font-weight:900; text-align:center; }
p.section-sub{ text-align:center; color:var(--ink-soft); max-width:56ch; margin:16px auto 0; font-size:15px; }
.eyebrow-label{
  display:block; text-align:center; font-size:12px; letter-spacing:.16em; font-weight:700;
  color:var(--accent); margin:0 0 10px;
}

/* Pillars / strengths */
.pillars{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:44px; }
.pillar{ background:var(--surface); border:1px solid var(--border); border-radius:3px; padding:26px 22px; }
.pillar .num{ font-family:'Zen Kaku Gothic New',sans-serif; color:var(--accent); font-weight:700; font-size:13px; margin:0; }
.pillar h3{ font-size:16px; font-weight:700; margin:10px 0 10px; }
.pillar p{ font-size:13px; color:var(--ink-soft); margin:0; }
.pillar.tentative{ opacity:.75; border-style:dashed; }
.pillar .tag{ display:inline-block; margin-top:10px; font-size:10.5px; color:var(--accent); background:var(--accent-soft); border-radius:2px; padding:2px 8px; }

/* About / quote */
.about-wrap{ display:grid; grid-template-columns:1.1fr 1.4fr; gap:48px; align-items:center; }
.about-wrap blockquote{
  font-family:'Zen Kaku Gothic New',sans-serif; font-size:21px; font-weight:700; color:var(--brand);
  margin:0; line-height:1.7; border-left:3px solid var(--accent); padding-left:20px;
}
.about-wrap cite{ display:block; margin-top:14px; font-size:13px; color:var(--ink-mute); font-style:normal; }
.about-wrap .body-text{ font-size:14.5px; color:var(--ink-soft); }

/* Blog */
.blog-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:44px; }
.blog-card{ background:var(--surface); border:1px solid var(--border); border-radius:3px; padding:22px; }
.blog-card .badge{ font-size:10.5px; color:var(--ink-mute); background:var(--surface-tint); padding:2px 8px; border-radius:2px; }
.blog-card h3{ font-size:14.5px; font-weight:700; margin:14px 0 0; line-height:1.6; }
.blog-card p{ font-size:13px; color:var(--ink-soft); margin-top:8px; }

/* Contact CTA band */
.contact-cta{ background:var(--brand); color:#fff; text-align:center; padding:72px 0; }
.contact-cta h2{ color:#fff; font-size:24px; font-weight:900; }
.contact-cta p{ color:#D8E1EC; margin-top:14px; }
.contact-cta .cta{ margin-top:26px; }

/* Footer */
footer.site-foot{ background:var(--brand-deep); color:#C9D4E2; padding:56px 0 26px; font-size:13px; }
.foot-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:32px; padding-bottom:36px; border-bottom:1px solid rgba(255,255,255,.12); }
.foot-brand img{ height:26px; margin-bottom:14px; }
.foot-brand p{ color:#9FB0C6; font-size:12.5px; max-width:32ch; }
.foot-col h4{ color:#fff; font-size:12.5px; font-weight:700; letter-spacing:.06em; margin-bottom:14px; }
.foot-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
.foot-col a{ color:#C9D4E2; text-decoration:none; font-size:13px; }
.foot-col a:hover{ color:#fff; }
.foot-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:22px; font-size:12px; color:#8296B0; flex-wrap:wrap; gap:8px; }

/* ===========================================================
   Inner-page content blocks (about / services / contact)
   =========================================================== */
.lead-block{ max-width:720px; margin:0 auto; text-align:center; }
.lead-block p{ color:var(--ink-soft); font-size:15.5px; margin-top:16px; }

.profile-grid{ display:grid; grid-template-columns:220px 1fr; gap:48px; align-items:start; }
.profile-badge{
  aspect-ratio:1; background:linear-gradient(160deg,var(--brand) 0%,var(--brand-deep) 100%);
  border-radius:4px; display:flex; align-items:center; justify-content:center; padding:24px;
}
.profile-badge img{ width:100%; }
.profile-name{ font-size:13px; color:var(--ink-mute); margin-bottom:6px; }
.profile-title{ font-size:22px; font-weight:900; font-family:'Zen Kaku Gothic New',sans-serif; }
.profile-body p{ color:var(--ink-soft); font-size:14.5px; margin-top:16px; }
.profile-body p:first-of-type{ margin-top:20px; }

.value-list{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:44px; }
.value-item{ background:var(--surface); border:1px solid var(--border); border-radius:3px; padding:24px; }
.value-item .num{ font-family:'Zen Kaku Gothic New',sans-serif; color:var(--accent); font-weight:700; font-size:13px; }
.value-item h3{ font-size:15px; font-weight:700; margin:10px 0 8px; }
.value-item p{ font-size:13px; color:var(--ink-soft); }

.profile-facts{ margin-top:56px; border-top:1px solid var(--border); padding-top:36px; }
.profile-facts dl{ display:grid; grid-template-columns:160px 1fr; gap:14px 24px; margin:0; }
.profile-facts dt{ font-size:12.5px; font-weight:700; color:var(--ink-mute); letter-spacing:.04em; }
.profile-facts dd{ margin:0; font-size:14px; color:var(--ink-soft); }

/* Services detail */
.service-detail{
  display:grid; grid-template-columns:64px 1fr; gap:24px;
  background:var(--surface); border:1px solid var(--border); border-radius:3px;
  padding:32px; margin-top:20px;
}
.service-detail .num{
  font-family:'Zen Kaku Gothic New',sans-serif; font-weight:900; font-size:22px; color:var(--accent);
}
.service-detail h3{ font-size:19px; font-weight:700; margin-bottom:12px; }
.service-detail p{ font-size:14.5px; color:var(--ink-soft); }
.service-detail ul{ margin:16px 0 0; padding-left:0; list-style:none; display:flex; flex-direction:column; gap:8px; }
.service-detail li{ font-size:13.5px; color:var(--ink-soft); padding-left:18px; position:relative; }
.service-detail li::before{ content:''; position:absolute; left:0; top:9px; width:6px; height:6px; background:var(--accent); border-radius:50%; }
.service-detail.tentative{ border-style:dashed; opacity:.85; }

/* Flow steps (contact) */
.flow-steps{ counter-reset:step; max-width:640px; margin:44px auto 0; }
.flow-step{ display:flex; gap:20px; padding:20px 0; border-bottom:1px solid var(--border); }
.flow-step:last-child{ border-bottom:0; }
.flow-step::before{
  counter-increment:step; content:counter(step);
  flex-shrink:0; width:34px; height:34px; border-radius:50%; background:var(--brand); color:#fff;
  display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px;
  font-family:'Zen Kaku Gothic New',sans-serif;
}
.flow-step h3{ font-size:15px; font-weight:700; margin-bottom:6px; }
.flow-step p{ font-size:13.5px; color:var(--ink-soft); }

.contact-panel{
  max-width:560px; margin:44px auto 0; background:var(--surface); border:1px solid var(--border);
  border-radius:4px; padding:40px; text-align:center; box-shadow:var(--shadow);
}
.contact-panel .mail{
  font-family:'Zen Kaku Gothic New',sans-serif; font-size:19px; font-weight:700; color:var(--brand);
  margin-top:8px; word-break:break-all;
}
.contact-panel .note{ font-size:12.5px; color:var(--ink-mute); margin-top:18px; }

/* ===========================================================
   Responsive
   =========================================================== */
@media (max-width:820px){
  .pillars{ grid-template-columns:repeat(2,1fr); }
  .about-wrap{ grid-template-columns:1fr; }
  .blog-grid{ grid-template-columns:1fr; }
  .foot-grid{ grid-template-columns:1fr; gap:28px; }
  .profile-grid{ grid-template-columns:1fr; }
  .profile-badge{ max-width:200px; margin:0 auto; }
  .value-list{ grid-template-columns:1fr; }
  .service-detail{ grid-template-columns:1fr; }
  .service-detail .num{ font-size:18px; }
  section{ padding:56px 0; }
  .hero{ padding:64px 0 72px; }
}