:root{
  --black:#050608;
  --navy:#0b1220;
  --navy2:#0f1626;
  --gray-section:#1b1d21;
  --white:#ffffff;
  --text-light:#e9eaed;
  --text-muted:#a7adb8;
  --dark-text:#181a1e;
  --dark-muted:#4c5158;
  --gold:#c9a463;
  --gold-soft:rgba(201,164,99,0.14);
  --gold-line:rgba(201,164,99,0.35);
  --taupe:#8a5a44;
  --serif:'Noto Serif JP', serif;
  --sans:'Noto Sans JP', sans-serif;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans);
  background:var(--black);
  color:var(--text-light);
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{list-style:none;}

.wrap{
  max-width:1120px;
  margin:0 auto;
  padding:0 32px;
}
.wrap.narrow{max-width:820px;}
.gold{color:var(--gold);}

/* ---------- reveal animation (progressive enhancement: content stays visible without JS) ---------- */
html.js-loading .reveal{opacity:0; transform:translateY(24px); transition:opacity .9s ease, transform .9s ease;}
html.js-loading .reveal.in-view{opacity:1; transform:translateY(0);}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;
  font-family:var(--sans);
  font-weight:700;
  text-align:center;
  padding:18px 34px;
  border-radius:2px;
  letter-spacing:.03em;
  transition:all .25s ease;
  cursor:pointer;
  border:1px solid transparent;
}
.btn-gold{
  background:linear-gradient(135deg, #d9b87a, var(--gold));
  color:#1a1200;
  box-shadow:0 8px 24px rgba(201,164,99,0.25);
}
.btn-gold:hover{filter:brightness(1.08); box-shadow:0 10px 30px rgba(201,164,99,0.4);}
.btn-ghost{
  border:1px solid var(--gold-line);
  color:var(--gold);
  padding:12px 22px;
  font-size:14px;
}
.btn-ghost:hover{background:var(--gold-soft);}
.btn.full{width:100%; font-size:16px; padding:18px;}

/* ---------- header ---------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(5,6,8,0);
  border-bottom:1px solid transparent;
  transition:background .3s ease, border-color .3s ease;
}
.site-header.scrolled{
  background:rgba(5,6,8,0.92);
  border-bottom:1px solid var(--gold-line);
  backdrop-filter:blur(6px);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:18px; padding-bottom:18px;
}
.logo{display:flex; flex-direction:column; line-height:1.3;}
.logo-main{
  font-family:var(--serif);
  font-size:22px;
  letter-spacing:.18em;
  color:var(--white);
  font-weight:700;
}
.logo-sub{font-size:11px; color:var(--text-muted); letter-spacing:.05em;}
.header-cta{white-space:nowrap;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:170px 0 110px;
  background:radial-gradient(ellipse at top, #101a2e 0%, var(--navy) 45%, var(--black) 100%);
  overflow:hidden;
}
.hero-photo{
  position:absolute; inset:0; z-index:0;
  background-image:url('https://images.pexels.com/photos/4513862/pexels-photo-4513862.jpeg?auto=compress&cs=tinysrgb&w=1920');
  background-size:cover;
  background-position:center;
  filter:grayscale(65%) brightness(.4) contrast(1.1);
  opacity:.6;
}
.hero-gradient{
  position:absolute; inset:0; z-index:1;
  background:linear-gradient(180deg, rgba(11,18,32,0.15) 0%, var(--black) 100%);
  pointer-events:none;
}
.hero-network{
  position:absolute; inset:-10%; z-index:1;
  background-image:
    radial-gradient(circle, var(--gold) 1px, transparent 1.6px),
    linear-gradient(rgba(201,164,99,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,164,99,0.08) 1px, transparent 1px);
  background-size: 90px 90px, 90px 90px, 90px 90px;
  opacity:.35;
  mask-image:radial-gradient(ellipse at center, black 0%, transparent 72%);
  pointer-events:none;
}
.hero-inner{position:relative; z-index:2;}
.eyecatch{
  display:inline-block;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--gold);
  border:1px solid var(--gold-line);
  padding:8px 16px;
  border-radius:2px;
  margin-bottom:28px;
}
.hero-title{
  font-family:var(--serif);
  font-size:42px;
  line-height:1.6;
  font-weight:700;
  color:var(--white);
  margin-bottom:26px;
  letter-spacing:.02em;
}
.hero-sub{
  font-size:15px;
  color:var(--text-muted);
  max-width:720px;
  margin-bottom:40px;
}
.badge-row{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:18px;
  margin-bottom:44px;
}
.target-badge{
  border:1px solid var(--gold-line);
  background:rgba(255,255,255,0.02);
  padding:20px 18px;
  border-radius:2px;
}
.target-badge p{font-size:13.5px; color:var(--text-light); line-height:1.75;}
.badge-tag{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  padding:4px 12px;
  border-radius:2px;
  margin-bottom:10px;
  letter-spacing:.05em;
}
.badge-tag.urgent{background:rgba(138,90,68,0.25); color:#e0a98c; border:1px solid var(--taupe);}
.badge-tag.prevent{background:var(--gold-soft); color:var(--gold); border:1px solid var(--gold-line);}
.badge-tag.unsat{background:rgba(255,255,255,0.06); color:var(--text-light); border:1px solid rgba(255,255,255,0.18);}

.hero-cta{text-align:center;}
.hero-cta .btn{font-size:16px; line-height:1.6;}
.hero-note{font-size:12px; color:var(--text-muted); margin-top:14px;}

/* ---------- sections generic ---------- */
.section{padding:100px 0;}
.section-black{background:var(--black);}
.section-navy{background:linear-gradient(180deg, var(--navy) 0%, var(--navy2) 100%);}
.section-gray{background:var(--gray-section);}
.section-white{background:var(--white);}

.section-title{
  font-family:var(--serif);
  font-size:30px;
  line-height:1.65;
  font-weight:700;
  color:var(--white);
  margin-bottom:32px;
  letter-spacing:.02em;
}
.section-title.dark{color:var(--dark-text);}
.section-title.center{text-align:center;}

.body-text{
  font-size:15px;
  color:var(--text-light);
  margin-bottom:20px;
}
.body-text.dark{color:#33363c;}
.body-text.center{text-align:center;}
.body-text.emphasis{color:var(--gold); font-weight:700; font-size:16px;}
.body-text.dark.emphasis{color:var(--taupe);}
.narrow-text{max-width:760px; margin-left:auto; margin-right:auto;}
.small-note{font-size:12.5px; color:var(--text-muted);}

/* ---------- crisis section ---------- */
.crisis-photo{
  max-width:900px; margin:0 auto 40px;
}
.crisis-photo img{
  width:100%; height:340px; object-fit:cover;
  object-position:center 25%;
  border:1px solid rgba(255,255,255,0.1);
  filter:grayscale(55%) brightness(.5) contrast(1.1);
}
.crisis-photo figcaption{
  font-size:11.5px; color:var(--text-muted); margin-top:10px; text-align:center;
}
.search-mock-list{
  max-width:640px; margin:0 auto 50px;
  display:flex; flex-direction:column; gap:14px;
}
.search-mock{
  background:#0d0f12;
  border:1px solid rgba(255,255,255,0.12);
  border-radius:30px;
  padding:16px 24px;
  font-size:14px;
  color:var(--text-light);
  display:flex; align-items:center; gap:12px;
  letter-spacing:.02em;
}
.search-icon{opacity:.6; font-size:14px;}

.crisis-cards{
  display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:50px;
}
.crisis-card{
  background:rgba(255,255,255,0.03);
  border-left:2px solid var(--gold);
  padding:28px 24px;
}
.crisis-card h3{
  font-family:var(--serif);
  font-size:17px;
  color:var(--gold);
  margin-bottom:14px;
  line-height:1.6;
}
.crisis-card p{font-size:13.5px; color:var(--text-muted); line-height:1.85;}

/* ---------- core split ---------- */
#core1{position:relative; overflow:hidden;}
.core1-photo{
  position:absolute; inset:0; z-index:0;
  background-image:url('https://images.pexels.com/photos/7216020/pexels-photo-7216020.jpeg?auto=compress&cs=tinysrgb&w=1920');
  background-size:cover;
  background-position:center;
  filter:grayscale(70%) brightness(.35) contrast(1.1);
  opacity:.45;
}
#core1 .core-split{position:relative; z-index:1;}
.core-split{
  display:grid; grid-template-columns:1fr 1.25fr; gap:60px; align-items:center;
}
.core-visual{text-align:center;}
.org-svg{width:100%; max-width:520px; height:auto;}
.svg-label text, text.svg-label{
  font-family:var(--sans);
  font-size:9px;
  fill:var(--text-light);
  text-anchor:middle;
}
.svg-label-gold{
  font-size:11px !important;
  font-weight:700;
  fill:var(--gold) !important;
}
.visual-caption{font-size:11.5px; color:var(--text-muted); margin-top:14px; letter-spacing:.03em; position:relative; z-index:1;}

/* ---------- field gallery ---------- */
.field-gallery{
  display:grid; grid-template-columns:1fr 1fr; gap:24px; margin:50px 0;
}
.field-gallery figure{position:relative;}
.field-gallery img{
  width:100%; height:280px; object-fit:cover;
  border:1px solid var(--gold-line);
  filter:grayscale(55%) brightness(.62) contrast(1.08) sepia(8%);
}
.field-gallery figcaption{
  font-size:11.5px; color:var(--text-muted); margin-top:10px; text-align:center;
}

/* ---------- evidence ---------- */
.evidence-split{
  display:grid; grid-template-columns:.8fr 1.2fr; gap:60px; align-items:start;
}
.evidence-photo img{
  width:100%; aspect-ratio:3/4; object-fit:cover;
  border:1px solid var(--gold-line);
  filter:grayscale(35%) brightness(.85) contrast(1.05);
}
.credential-list{margin-top:30px; display:flex; flex-direction:column; gap:22px;}
.credential-list li{
  border-left:2px solid var(--gold);
  padding-left:18px;
}
.credential-list strong{
  display:block; font-size:15px; color:var(--white); margin-bottom:6px; font-weight:700;
}
.credential-list span{font-size:13.5px; color:var(--text-muted);}

/* ---------- cases ---------- */
.case-cards{
  display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:44px;
}
.case-card{
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.1);
  padding:26px 22px;
}
.case-card h3{
  font-family:var(--serif); font-size:16px; color:var(--white);
  margin:12px 0 10px; line-height:1.6;
}
.case-card p{font-size:13px; color:var(--text-muted); line-height:1.8;}

/* ---------- pricing ---------- */
.pricing-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:26px; margin-top:50px;
}
.price-card{
  position:relative;
  background:rgba(255,255,255,0.02);
  border:1px solid rgba(255,255,255,0.14);
  padding:34px 26px;
  display:flex; flex-direction:column; gap:14px;
}
.price-card.featured{
  border:1px solid var(--gold);
  background:rgba(201,164,99,0.05);
  transform:translateY(-8px);
}
.price-flag{
  position:absolute; top:-13px; left:26px;
  background:var(--taupe); color:#fff;
  font-size:11px; font-weight:700;
  padding:5px 12px; letter-spacing:.05em;
}
.price-card h3{
  font-family:var(--serif); font-size:18px; color:var(--white); line-height:1.6;
}
.price-target{font-size:12.5px; color:var(--gold); line-height:1.8;}
.price-desc{font-size:13px; color:var(--text-muted); line-height:1.85; flex-grow:1;}
.price-amount{font-family:var(--serif); font-size:22px; font-weight:700; color:var(--white); margin-top:auto;}
.price-note{font-size:11.5px; color:var(--text-muted);}

/* ---------- contact ---------- */
.contact-box{
  border:1px solid var(--gold);
  padding:60px 48px;
  background:rgba(201,164,99,0.03);
}
.contact-lead{font-size:14px; color:var(--gold); font-weight:700; margin-bottom:24px;}
.contact-form{margin-top:40px; display:flex; flex-direction:column; gap:22px;}
.contact-form label{
  display:flex; flex-direction:column; gap:8px;
  font-size:13.5px; color:var(--text-light);
}
.req{color:var(--taupe); font-size:11px; border:1px solid var(--taupe); padding:1px 6px; margin-left:4px;}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea{
  background:#0d0f12;
  border:1px solid rgba(255,255,255,0.18);
  color:var(--text-light);
  padding:13px 14px;
  font-family:var(--sans);
  font-size:14px;
  outline:none;
  transition:border-color .2s ease;
}
.contact-form input:focus, .contact-form textarea:focus{border-color:var(--gold);}
.contact-form fieldset{border:1px solid rgba(255,255,255,0.14); padding:18px; display:flex; flex-direction:column; gap:12px;}
.contact-form legend{font-size:13px; color:var(--gold); padding:0 8px;}
.radio-line{flex-direction:row !important; align-items:flex-start; gap:10px !important; font-size:13px; color:var(--text-muted);}
.radio-line input{margin-top:3px;}
.privacy-note{font-size:11.5px; color:var(--text-muted); margin-top:28px; line-height:1.9;}
.tel-alt{margin-top:24px; font-size:14px;}
.tel-alt a{color:var(--gold); font-weight:700; border-bottom:1px solid var(--gold-line);}

/* ---------- footer ---------- */
.site-footer{background:#020304; padding:56px 0 40px; border-top:1px solid rgba(255,255,255,0.08);}
.footer-inner{text-align:center;}
.footer-logo{align-items:center; margin-bottom:16px;}
.footer-contact{font-size:13px; color:var(--text-muted); margin-bottom:10px;}
.footer-copy{font-size:11px; color:#5a5f68;}

/* ---------- responsive ---------- */
.sp-only{display:none;}

@media (max-width:900px){
  .badge-row{grid-template-columns:1fr;}
  .crisis-cards{grid-template-columns:1fr;}
  .core-split{grid-template-columns:1fr; gap:40px;}
  .core-visual{order:-1;}
  .field-gallery{grid-template-columns:1fr;}
  .evidence-split{grid-template-columns:1fr; gap:36px;}
  .evidence-photo{max-width:280px; margin:0 auto;}
  .case-cards{grid-template-columns:1fr;}
  .pricing-grid{grid-template-columns:1fr;}
  .price-card.featured{transform:none;}
  .contact-box{padding:40px 24px;}
}

@media (max-width:600px){
  .sp-only{display:inline;}
  .wrap{padding:0 20px;}
  .hero{padding:150px 0 80px;}
  .hero-title{font-size:28px;}
  .section{padding:70px 0;}
  .section-title{font-size:23px;}
  .header-cta{font-size:12px; padding:10px 14px;}
  .logo-main{font-size:18px;}
  .logo-sub{display:none;}
}