:root{
  --ivory:#f3f0e9;
  --paper:#faf8f4;
  --white:#fff;
  --ink:#172025;
  --muted:#6f7975;
  --teal:#456d6c;
  --blue:#687d8b;
  --line:rgba(28,39,43,.12);
  --soft:#e7ece8;
  --shell:min(980px,calc(100vw - 44px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic UI","Yu Gothic",Meiryo,sans-serif;line-height:1.9;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.head{width:var(--shell);margin:auto;min-height:90px;display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line)}
.head>a{font-size:10px;font-weight:800;letter-spacing:.03em}
.brand{font-size:13px;font-weight:750;letter-spacing:.06em}
.hero{width:var(--shell);margin:auto;padding:100px 0 72px}
.eyebrow{margin:0;font-size:8px;letter-spacing:.2em;color:#7b8580;font-weight:800}
.hero h1{margin:20px 0 0;font-family:Georgia,"Times New Roman","Yu Mincho",serif;font-size:clamp(42px,6vw,64px);font-weight:500;line-height:1.25;letter-spacing:-.04em;line-break:strict;word-break:normal;text-wrap:balance}
.hero .lead{max-width:720px;margin:28px 0 0;color:#596762;font-size:14px}
.meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}
.meta span{padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.34);color:#68736f;font-size:9px;font-weight:700}
.main{background:var(--paper);border-top:1px solid rgba(28,39,43,.06);border-bottom:1px solid rgba(28,39,43,.06)}
.content{width:var(--shell);margin:auto;padding:84px 0 96px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:72px}
.side{align-self:start;position:sticky;top:28px}
.side p{margin:0 0 12px;color:#8a928e;font-size:8px;font-weight:800;letter-spacing:.16em}
.side nav{display:grid;gap:9px}
.side nav a{color:#67736f;font-size:10px;font-weight:700}
.side nav a:hover{color:var(--ink)}
.article{min-width:0}
.section{padding:0 0 54px;margin:0 0 54px;border-bottom:1px solid var(--line)}
.section:last-child{margin-bottom:0;padding-bottom:0;border-bottom:0}
.section .number{display:block;margin-bottom:12px;color:#80908a;font-size:8px;font-weight:800;letter-spacing:.18em}
.section h2{margin:0;font-family:Georgia,"Times New Roman","Yu Mincho",serif;font-size:clamp(27px,3.4vw,38px);font-weight:500;line-height:1.4;letter-spacing:-.03em}
.section h3{margin:30px 0 7px;font-size:14px}
.section p{margin:17px 0 0;color:#56645f;font-size:13px}
.section ul{margin:22px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
.section li{display:grid;grid-template-columns:170px 1fr;gap:24px;padding:16px 0;border-bottom:1px solid var(--line);font-size:12px}
.section li b{font-weight:760}.section li span{color:#5f6d68}
.note{margin-top:24px;padding:18px 20px;border-radius:16px;background:#e8efec;color:#4f625b;font-size:11px}
.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:26px}
.action{display:block;padding:20px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.52);transition:.2s ease}
.action:hover{transform:translateY(-2px);background:#fff}
.action small{display:block;margin-bottom:4px;color:#7c8984;font-size:8px;font-weight:800;letter-spacing:.12em}.action strong{font-size:13px}.action span{display:block;margin-top:7px;color:#64716c;font-size:10px}
.faq{margin-top:22px;display:grid;gap:10px}.faq details{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.48);padding:0 18px}.faq summary{cursor:pointer;padding:16px 0;font-size:12px;font-weight:760;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq details p{margin:0;padding:0 0 17px;font-size:11.5px}
.contact-card{margin-top:25px;padding:24px;border-radius:22px;background:#202a2e;color:#f7f4ed}.contact-card h3{margin:0;font-family:Georgia,"Times New Roman","Yu Mincho",serif;font-size:24px;font-weight:500}.contact-card p{margin:11px 0 0;color:#ced7d3;font-size:11px}.contact-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.contact-links a{padding:10px 14px;border:1px solid rgba(255,255,255,.18);border-radius:999px;font-size:9px;font-weight:800}.contact-links a:hover{background:rgba(255,255,255,.08)}
footer{width:var(--shell);margin:auto;padding:34px 0 42px;display:flex;justify-content:space-between;gap:24px;color:#818b87;font-size:9px}.footer-links{display:flex;flex-wrap:wrap;gap:16px}.footer-links a{border-bottom:1px solid rgba(28,39,43,.15)}
@media(max-width:820px){:root{--shell:min(720px,calc(100vw - 34px))}.hero{padding:82px 0 64px}.content{grid-template-columns:1fr;gap:38px;padding:68px 0 78px}.side{position:static}.side nav{display:flex;flex-wrap:wrap;gap:10px 18px}.action-grid{grid-template-columns:1fr}}
@media(max-width:560px){:root{--shell:calc(100vw - 28px)}.head{min-height:72px}.head>a{font-size:9px}.brand{font-size:11px}.hero{padding:62px 0 52px}.hero h1{font-size:clamp(31px,10vw,42px);line-height:1.35}.hero .lead{font-size:12px}.content{padding:56px 0 66px}.section{padding-bottom:42px;margin-bottom:42px}.section h2{font-size:27px}.section p{font-size:12px}.section li{grid-template-columns:1fr;gap:4px}.contact-card{padding:21px 18px}footer{flex-direction:column;gap:8px}}