:root{
  --bg:#f4f7fb;
  --card:#ffffff;
  --ink:#16233a;
  --muted:#5f6b7a;
  --line:#d7dee8;
  --accent:#d94b5a;
  --accent-dark:#b33646;
  --navy:#10203a;
  --navy-soft:#1a2e4f;
  --navy-pale:#edf3fb;
  --shadow:0 18px 46px rgba(16,32,58,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo",sans-serif;color:var(--ink);background:linear-gradient(180deg,#f7f9fc 0%,#eef3f9 100%);line-height:1.85}
a{color:inherit;text-decoration:none}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(16,32,58,.08)}
.header-inner,.page,.footer-inner{max-width:1120px;margin:0 auto;padding:0 24px}
.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand-logo{display:inline-flex;align-items:center}
.brand-logo img{height:42px;width:auto;display:block}
.nav{display:flex;flex-wrap:wrap;gap:18px;font-size:.95rem;color:#24334b}
.nav a{opacity:.92;font-weight:600}.nav a:hover{opacity:1}
.page{padding:32px 24px 72px}
.hero,.panel,.card,.section-card,.cta-card{border-radius:28px;box-shadow:var(--shadow)}
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-soft) 100%);color:#fff;padding:34px 32px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.12);font-size:.84rem;letter-spacing:.06em}
.breadcrumb{font-size:.92rem;color:#dce5f1;margin-bottom:12px}
.hero h1{font-size:clamp(2rem,4vw,3rem);line-height:1.24;margin:16px 0 12px}
.hero p{margin:0;color:#e7eef8;max-width:860px}
.meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.meta span{font-size:.85rem;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.1);color:#e3ebf7}
.section{margin-top:28px}
.section-head{margin-bottom:14px}.section-head h2{margin:0 0 6px;font-size:1.6rem;color:var(--navy)}.section-head p{margin:0;color:var(--muted)}
.grid-2,.grid-3,.grid-5{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-5{grid-template-columns:repeat(5,minmax(0,1fr))}
.card,.panel,.section-card,.cta-card{background:#fff;border:1px solid var(--line);padding:24px}
.card h3,.panel h3,.section-card h3,.cta-card h3{margin:0 0 10px;color:var(--navy);line-height:1.45}
.card p,.panel p,.section-card p,.cta-card p{margin:0;color:var(--muted)}
.card ul,.section-card ul{margin:8px 0 0 1.15em;padding:0;color:var(--muted)}
.mini{display:inline-block;margin-bottom:10px;padding:5px 10px;border-radius:999px;background:var(--navy-pale);color:#385174;font-size:.82rem;font-weight:700}
.actions,.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.link-btn,.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--line);font-weight:700;font-size:.93rem;background:#fff;color:var(--navy)}
.link-btn.primary,.button.primary{background:var(--navy);color:#fff;border-color:transparent}
.link-btn.accent,.button.accent{background:var(--accent);color:#fff;border-color:transparent}
.content-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;margin-top:28px}
.article{background:#fff;border:1px solid var(--line);border-radius:26px;padding:36px 34px;box-shadow:0 16px 40px rgba(18,35,58,.06)}
.article p{margin:0 0 1.15em}.article h2{font-size:1.35rem;line-height:1.45;margin:2em 0 .85em;color:var(--navy)}.article h2:first-of-type{margin-top:0}
.article ul{margin:.45em 0 1.2em 1.15em;padding:0}.article li{margin:.35em 0}
.aside{display:flex;flex-direction:column;gap:18px}
.cta-box{margin-top:34px;padding:24px;border-radius:22px;background:#fff7f8;border:1px solid #f1ccd2}.cta-box h3{margin:0 0 8px;color:#8f2635}.cta-box p{margin:0 0 16px;color:#5d4950}
.strip-note{padding:18px 20px;border-radius:20px;background:#fff;border:1px dashed #cfd7e4;color:var(--muted)}
.footer{margin-top:48px;background:#fff;border-top:1px solid rgba(16,32,58,.08)}.footer-inner{padding:28px 24px 34px;color:#5a6878;font-size:.92rem}.footer-brand img{height:44px;width:auto;display:block;margin-bottom:8px}.footer-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:10px}
@media (max-width:960px){.content-wrap,.grid-3,.grid-5{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}.page{padding-top:24px}}
@media (max-width:640px){.header-inner,.page,.footer-inner{padding-left:16px;padding-right:16px}.nav{gap:12px;font-size:.9rem}.hero,.article,.card,.panel,.cta-card,.section-card{padding:22px}.brand-logo img{height:36px}}