:root { --blue:#003b9b; --line:#b7cef0; --pale:#f3f9ff; --text:#173b72; }
* { box-sizing:border-box; }
body { margin:0; color:var(--text); background:#fff; font-family:"Noto Serif JP","Yu Mincho",serif; }
.privacy-header { height:88px; max-width:1120px; margin:auto; padding:0 36px; display:flex; align-items:center; justify-content:space-between; }
.site-name { color:var(--blue); font-size:20px; font-weight:700; letter-spacing:.06em; text-decoration:none; }
.back-link { color:var(--blue); font-size:13px; font-weight:600; text-decoration:none; border-bottom:1px solid #86a9dd; padding-bottom:3px; }
.privacy-hero { padding:54px 24px 58px; text-align:center; background:radial-gradient(circle at 62% 40%,rgba(157,211,248,.28),transparent 30%),linear-gradient(110deg,#f9fcff,#eaf6ff 60%,#dceeff); border-block:1px solid #d9e8f8; }
.privacy-hero p { margin:0 0 7px; color:#6794cf; font:600 12px Arial,sans-serif; letter-spacing:.22em; }
.privacy-hero h1 { margin:0; color:var(--blue); font-size:34px; letter-spacing:.1em; }
.policy { max-width:850px; margin:0 auto; padding:48px 34px 64px; }
.lead { margin:0 0 43px; font-size:14px; line-height:2; font-weight:500; }
.policy section { margin-top:38px; }
.policy h2 { display:flex; align-items:center; gap:13px; margin:0 0 14px; color:var(--blue); font-size:20px; letter-spacing:.04em; }
.policy h2 span { color:#73a2dc; font:600 12px Arial,sans-serif; letter-spacing:.08em; }
.policy section>p,.policy li { font-size:13px; line-height:2; }
.policy section>p { margin:0; }
.policy ul { margin:10px 0 0; padding-left:22px; }
.contact-card { padding:24px 27px; border:1px solid var(--line); border-radius:7px; background:var(--pale); }
.contact-card strong { display:block; color:var(--blue); font-size:17px; margin-bottom:10px; }
.contact-card address { font-style:normal; font-size:13px; line-height:1.9; }
.contact-card a { display:inline-block; margin-top:14px; color:#0d5ebb; font-size:13px; font-weight:600; text-decoration:none; border-bottom:1px solid #70a0dc; padding-bottom:2px; }
.effective-date { margin:48px 0 0; text-align:right; color:#657992; font-size:12px; }
footer { min-height:72px; padding:20px max(5vw,40px); background:linear-gradient(90deg,#003783,#0053ba); color:#fff; display:flex; align-items:center; justify-content:space-between; font:12px Arial,"Noto Serif JP",sans-serif; }
footer a { color:#fff; text-decoration:none; }
@media (max-width:700px) {
  .privacy-header { height:75px; padding:0 18px; }
  .site-name { max-width:240px; font-size:15px; line-height:1.45; }
  .back-link { font-size:11px; white-space:nowrap; }
  .privacy-hero { padding:42px 18px 45px; }
  .privacy-hero h1 { font-size:26px; }
  .policy { padding:37px 20px 50px; }
  .lead { font-size:13px; }
  .policy h2 { align-items:flex-start; font-size:18px; }
  .policy section>p,.policy li { font-size:12px; }
  footer { flex-direction:column; gap:11px; text-align:center; font-size:10px; }
}