:root {
  --bg: #f7faff;
  --surface: #ffffff;
  --text: #12214d;
  --muted: #5f6d96;
  --line: #dbe5fb;
  --primary: #2353c9;
  --primary-strong: #173d98;
  --radius: 16px;
  --shadow: 0 10px 24px rgba(19, 41, 102, 0.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"BIZ UDPGothic","Hiragino Kaku Gothic ProN","Yu Gothic UI","Yu Gothic",Meiryo,sans-serif;background:linear-gradient(180deg,#fbfdff 0%,#f4f8ff 100%);color:var(--text);line-height:1.75}
a{color:#1b4cb9;text-decoration:none}
.container{width:min(1120px,92%);margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;color:var(--text)}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(145deg,#3864d4,#173f9f);color:#fff;display:grid;place-items:center;font-weight:800}
.nav{display:flex;gap:18px;font-weight:600}
.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:12px;padding:11px 18px;font-weight:700;transition:.2s}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-strong));color:#fff;box-shadow:0 8px 20px rgba(35,83,201,.24)}
.btn-soft{background:#eef3ff;color:#123a97;border-color:#d8e4ff}
.btn-line{border:1px solid var(--line);background:#fff;color:var(--text)}
.hero{padding:50px 0 26px}
.hero-strong{padding-top:56px}
.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:start}
.badge{display:inline-flex;padding:7px 12px;border:1px solid #d3defa;background:#eef4ff;color:#2b4fa8;border-radius:999px;font-size:.85rem;font-weight:700}
.trust-chips{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 0}
.trust-chips span{font-size:.84rem;border:1px solid #d8e4ff;background:#f4f8ff;color:#2b4e9f;padding:5px 10px;border-radius:999px}
.primary-text{color:var(--primary)}
h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.24;margin:.42em 0 .3em}
h2{font-size:clamp(1.4rem,2.8vw,1.95rem);margin:0 0 .55em;line-height:1.35}
h3{font-size:1.15rem;margin:.2em 0 .35em}
.lead{color:var(--muted);font-size:1.04rem}
.section{padding:22px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:8px;margin-bottom:14px}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.card-title{font-size:1.2rem}
.tag{display:inline-flex;padding:4px 10px;border-radius:999px;background:#edf4ff;color:#214fa8;font-size:.8rem;font-weight:700}
.list{display:grid;gap:8px;padding:0;margin:0;list-style:none}
.list li{padding:10px;border:1px solid #e8eefc;border-radius:12px;background:#fff}
.day-steps{display:grid;gap:8px}
.day-steps div{display:grid;grid-template-columns:68px 1fr;gap:10px;padding:8px 10px;border:1px solid #e5ecfb;border-radius:10px;background:#fbfdff}
.day-practice p{margin:.45em 0}
.diagnosis-center{text-align:center}
.breadcrumb{font-size:.9rem;color:#7382af;margin:12px 0}
.two-col{display:grid;grid-template-columns:1.7fr .9fr;gap:20px}
.sidebar{display:grid;gap:14px;align-content:start}
.cta-band{width:100%;max-width:1120px;margin:18px auto;padding:22px;border-radius:18px;background:linear-gradient(120deg,#1e429f,#2155c9);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:14px}
.cta-band h2{color:#fff}
.cta-band-center{display:block;text-align:center}
.cta-band-center .cta-band-inner{max-width:760px;margin:0 auto}
.cta-band-center p{margin:0 auto 12px}
.cta-band-center .btn{margin:0 auto}
.site-footer{margin-top:32px;background:#eff4ff;border-top:1px solid var(--line)}
.foot{padding:26px 0;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:16px}
.copy{border-top:1px solid #d9e3fb;padding:12px 0 24px;color:#6877a3;font-size:.9rem;text-align:center}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;color:#1a2958}
.muted{color:var(--muted);font-size:.92rem}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px}
.faq details+details{margin-top:10px}
.diag-card{padding:24px}
.diag-subcard h2{font-size:1.2rem}
.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}
.result-notes{margin-top:10px}
.diag-cta{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:18px}
.diag-cta .muted{margin:0 0 0 4px}
@media (max-width:980px){
  .hero-grid,.two-col,.foot{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav{display:none}
}
@media (max-width:640px){
  .grid-2,.grid-3,.result-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band-center{display:flex;align-items:center}
  .cta-band-center .cta-band-inner{max-width:100%}
  .btn{width:100%}
  .diag-card{padding:18px}
}