:root{--ink:#1e293b;--muted:#5d6c74;--blue:#0369a1;--blue-dark:#075985;--line:#d8e4ec;--paper:#f8fafc;--white:#fff;--serif:"Zen Old Mincho",serif;--sans:"Noto Sans JP",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-underline-offset:4px}img{display:block;max-width:100%;height:auto}.skip-link{position:fixed;z-index:50;top:8px;left:8px;padding:9px 14px;color:#fff;background:var(--blue-dark);transform:translateY(-150%)}.skip-link:focus{transform:none}.policy-header{position:sticky;z-index:10;top:0;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px max(20px,calc((100vw - 1080px)/2));border-bottom:1px solid rgba(3,105,161,.12);background:rgba(255,255,255,.94);backdrop-filter:blur(12px)}.policy-header>a:first-child{width:min(280px,50vw)}.back-link{text-decoration:none;font-size:.88rem;font-weight:700}.policy-hero{padding:clamp(64px,9vw,110px) max(24px,calc((100vw - 980px)/2));background:radial-gradient(circle at 88% 18%,rgba(204,251,241,.8),transparent 32%),linear-gradient(135deg,#f8fafc,#f0f9ff)}.eyebrow{margin:0 0 12px;color:var(--blue);font-size:.78rem;font-weight:800;letter-spacing:.16em}.policy-hero h1{margin:0;font-family:var(--serif);font-size:clamp(2.2rem,5vw,4rem);line-height:1.4;letter-spacing:-.04em}.policy-hero>p:not(.eyebrow,.updated){max-width:760px;margin:24px 0 0;color:var(--muted);font-size:1.05rem}.updated{margin:24px 0 0;color:#71838d;font-size:.82rem}.policy-content{max-width:900px;margin:0 auto;padding:clamp(52px,7vw,86px) 24px}.policy-content section{padding:0 0 38px;margin:0 0 38px;border-bottom:1px solid var(--line)}.policy-content h2{margin:0 0 16px;font-family:var(--serif);font-size:clamp(1.35rem,2.8vw,1.75rem);line-height:1.55}.policy-content p{margin:12px 0;color:#44545d}.policy-content ul{display:grid;gap:8px;margin:16px 0;padding-left:1.4em}.policy-content li{padding-left:.3em}.policy-content dl{display:grid;gap:14px;margin:20px 0}.policy-content dl>div{padding:20px 22px;border:1px solid var(--line);border-radius:14px;background:#fff}.policy-content dt{margin-bottom:6px;color:var(--blue-dark);font-weight:800}.policy-content dd{margin:0;color:#52616a}.policy-content dd a{display:inline-block;margin-left:8px}.policy-content aside{padding:24px 26px;border-left:5px solid #0d9488;border-radius:14px;background:#f0fdfa}.policy-content aside p{margin:7px 0 0}.policy-content aside strong{color:#0f766e}footer{padding:48px 24px;color:#dce6df;background:#0f2f44;text-align:center}footer img{width:220px;margin:0 auto 18px;filter:brightness(0) invert(1);opacity:.9}footer p{margin:0 0 8px;font-family:var(--serif)}footer small{color:#b8cad4}@media(max-width:640px){.policy-header{padding:10px 16px}.back-link{font-size:.76rem}.policy-hero{padding:52px 20px}.policy-content{padding:48px 20px}.policy-content section{padding-bottom:30px;margin-bottom:30px}.policy-content dl>div{padding:18px}.policy-content dd a{display:block;margin:7px 0 0}}