/* ===== Design Tokens ===== */
:root{
  --color-navy: #1A2745;
  --color-navy-soft: #26365C;
  --color-blue: #0057FC;
  --color-blue-light: #8EB6FA;
  --color-gold: #BFA06B;
  --color-gold-deep: #8C6D3A;
  --color-ink: #1A2745;
  --color-ink-soft: #5B6478;
  --color-bg: #FFFFFF;
  --color-cream: #F7F4EF;
  --color-bg-soft: #F7F4EF;
  --color-border: #E7E0D2;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow: 0 8px 30px rgba(26,39,69,0.10);
  --container-width: 1080px;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"Noto Sans JP", sans-serif;
  color:var(--color-ink);
  background:var(--color-bg);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.en{font-family:"Outfit","Noto Sans JP",sans-serif;}

.container{
  max-width:var(--container-width);
  margin:0 auto;
  padding:0 24px;
}

.section{padding:88px 0;}
.section-soft{background:var(--color-bg-soft);}
.section-eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--color-gold-deep);
  background:none;
  padding:0;
  border-radius:0;
  margin-bottom:16px;
}
.section-title{
  font-family:"Shippori Mincho", serif;
  font-size:clamp(24px, 3vw, 34px);
  font-weight:800;
  line-height:1.5;
  letter-spacing:.03em;
  margin:0 0 16px;
}
.section-lead{
  color:var(--color-ink-soft);
  font-size:16px;
  max-width:640px;
  margin:0 0 40px;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 28px;
  border-radius:100px;
  font-weight:700;
  font-size:15px;
  border:2px solid transparent;
  cursor:pointer;
}
.btn-primary{
  background:var(--color-gold);
  color:var(--color-navy);
}
.btn-secondary{
  background:transparent;
  border-color:var(--color-border);
  color:var(--color-ink);
}
.hero .btn-secondary{
  border-color:rgba(255,255,255,0.35);
  color:#fff;
}

/* ===== Header ===== */
.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--color-navy);
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.brand-text{
  font-family:"EB Garamond", "Shippori Mincho", serif;
  font-size:22px;
  font-weight:600;
  letter-spacing:.06em;
  color:#fff;
}
.nav-links{display:flex; gap:28px; list-style:none; margin:0; padding:0;}
.nav-links a{font-size:14px; font-weight:600; color:rgba(255,255,255,0.85);}
.nav-links a:hover{color:var(--color-gold);}
.nav-toggle{display:none; background:none; border:none; font-size:24px; cursor:pointer; color:#fff;}

@media (max-width: 860px){
  .nav-links{
    position:fixed; top:72px; left:0; right:0;
    background:var(--color-navy); border-bottom:1px solid rgba(255,255,255,0.08);
    flex-direction:column; gap:0; padding:8px 24px;
    transform:translateY(-120%); transition:transform .25s ease;
  }
  .nav-links.open{transform:translateY(0);}
  .nav-links a{display:block; padding:14px 0; border-bottom:1px solid rgba(255,255,255,0.08);}
  .nav-toggle{display:block;}
  .header-cta{display:none;}
}

/* ===== Footer ===== */
.site-footer{
  background:var(--color-ink);
  color:#fff;
  padding:48px 0 28px;
}
.site-footer .container{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px;
}
.site-footer .brand-text{font-size:20px;}
.footer-social{display:flex; gap:16px;}
.footer-social a{
  display:flex; align-items:center; justify-content:center;
  width:48px; height:48px;
  border-radius:50%;
  background:var(--color-gold);
  color:var(--color-navy);
  transition:transform .15s ease, background .15s ease;
}
.footer-social a:hover{background:#fff; transform:translateY(-2px);}
.footer-social svg{width:22px; height:22px; fill:currentColor;}
.footer-copy{color:#9AA3B2; font-size:13px; margin-top:24px; width:100%;}

/* ===== Hero ===== */
.hero{
  padding:120px 0 96px;
  background-color:var(--color-navy);
  background-image:
    linear-gradient(160deg, var(--color-navy) 0%, var(--color-navy-soft) 60%, var(--color-navy) 100%),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 42px);
  color:#fff;
}
.hero-inner{max-width:720px; margin:0 auto; text-align:center;}
.hero-eyebrow{
  display:block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.28em;
  color:var(--color-gold);
  margin-bottom:22px;
}
.hero-copy h1{
  font-family:"Shippori Mincho", serif;
  font-size:clamp(30px, 5vw, 48px);
  font-weight:800;
  line-height:1.55;
  letter-spacing:.02em;
  margin:0;
  color:#fff;
}
.hero-copy h1 .accent-gold{color:var(--color-gold);}
.hero-divider{
  width:64px; height:2px;
  background:var(--color-gold);
  margin:28px auto 30px;
}
.hero-lead{
  font-size:17px;
  color:rgba(255,255,255,0.72);
  max-width:560px;
  margin:0 auto 36px;
}
.hero-actions{display:flex; gap:16px; flex-wrap:wrap; justify-content:center;}

@media (max-width: 600px){
  .hero{padding:80px 0 56px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%; justify-content:center;}
}

/* ===== Services ===== */
.service-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:24px;
}
.service-card{
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  padding:32px;
  box-shadow:var(--shadow);
}
.service-num{
  font-family:"EB Garamond", "Shippori Mincho", serif;
  font-size:38px;
  font-weight:600;
  color:var(--color-gold);
  opacity:.65;
  margin-bottom:8px;
}
.service-card h3{font-size:19px; margin:0 0 10px;}
.service-card p{color:var(--color-ink-soft); font-size:14.5px; margin:0;}

@media (max-width: 700px){
  .service-grid{grid-template-columns:1fr;}
}

/* ===== Why ===== */
.why-list{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:20px 32px;
}
.why-item{
  border-left:3px solid var(--color-gold);
  padding-left:20px;
}
.why-item h3{font-size:17px; margin:0 0 8px;}
.why-item p{color:var(--color-ink-soft); font-size:14.5px; margin:0;}

@media (max-width: 700px){
  .why-list{grid-template-columns:1fr;}
}

/* ===== Works ===== */
.works-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
.work-card{
  background:var(--color-bg-soft);
  border-radius:var(--radius-md);
  padding:28px;
}
.work-card h3{font-size:16px; margin:0 0 10px;}
.work-card p{color:var(--color-ink-soft); font-size:14px; margin:0;}

@media (max-width: 900px){
  .works-grid{grid-template-columns:1fr;}
}

/* ===== Diagnosis ===== */
.phase-strip{display:flex; flex-wrap:wrap; gap:10px; margin-bottom:32px;}
.phase-chip{
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:100px;
  padding:8px 16px;
  font-size:13px;
  font-weight:600;
}

/* ===== About ===== */
.about-layout{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:40px;
  align-items:start;
}
.about-photo{
  width:200px; height:250px;
  object-fit:cover;
  border-radius:var(--radius-md);
  box-shadow:var(--shadow);
}
.about-grid{
  display:grid;
  grid-template-columns:140px 1fr;
  row-gap:16px;
  max-width:640px;
}
.about-grid dt{color:var(--color-ink-soft); font-size:14px;}
.about-grid dd{margin:0; font-weight:600;}

.badge-row{display:flex; gap:24px; flex-wrap:wrap; margin:28px 0 0;}
.badge-item{margin:0; text-align:center;}
.badge-item img{height:56px; width:auto; margin:0 auto 8px; border-radius:8px;}
.badge-item figcaption{font-size:12px; color:var(--color-ink-soft); max-width:110px; line-height:1.4;}

@media (max-width: 640px){
  .about-layout{grid-template-columns:1fr; justify-items:center; text-align:center;}
  .badge-row{justify-content:center;}
}
@media (max-width: 480px){
  .about-grid{grid-template-columns:1fr; row-gap:4px; text-align:center;}
  .about-grid dt{margin-top:12px;}
  .about-grid dt:first-child{margin-top:0;}
}

/* ===== EN-LAB ===== */
.enlab-layout{
  display:grid;
  grid-template-columns:280px 1fr;
  gap:40px;
  align-items:start;
}
.enlab-flyer{
  border-radius:var(--radius-md);
  box-shadow:var(--shadow);
}
.enlab-points{
  margin:0 0 28px;
  padding-left:20px;
  color:var(--color-ink-soft);
  font-size:14.5px;
}
.enlab-points li{margin-bottom:8px;}

@media (max-width: 700px){
  .enlab-layout{grid-template-columns:1fr;}
}

/* ===== Contact ===== */
.contact-box{max-width:640px;}