:root{--bg:#FFFFFF;--bg2:#F6F4F1;--card:#FFFFFF;--ink:#111111;--muted:#6B6B6B;--line:#E4E1DC;--accent:#8C7A5B;--sale:#A2413A;--serif:"Cormorant Garamond",Georgia,serif;--sans:"Noto Sans JP",system-ui,sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#15120F;--bg2:#1C1814;--card:#211C18;--ink:#EFE7DC;--muted:#A89C8E;--line:#352E27;--accent:#D0A184}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-weight:300;line-height:1.9;-webkit-font-smoothing:antialiased}
a{color:inherit}.wrap{max-width:780px;margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--line);background:var(--bg)}.hd{max-width:1100px;margin:0 auto;padding:0 16px;height:60px;display:flex;align-items:center;justify-content:space-between}
.logo{font-family:var(--serif);letter-spacing:.26em;font-size:18px;text-decoration:none;font-weight:500}.nav a{font-size:12px;letter-spacing:.12em;margin-left:18px;text-decoration:none;color:var(--muted)}
.crumb{font-size:12px;color:var(--muted);margin:22px 0 0}.crumb a{text-decoration:none}
.cat{display:inline-block;font-size:11px;letter-spacing:.18em;color:var(--accent);margin-top:26px}
h1{font-family:"Shippori Mincho","Noto Serif JP","Yu Mincho",serif;font-weight:500;letter-spacing:.06em;font-size:clamp(22px,4vw,30px);line-height:1.5;margin:8px 0 12px}
.meta{font-size:12px;color:var(--muted);margin-bottom:28px}
.lead{font-size:15px;color:var(--muted);border-left:2px solid var(--accent);padding-left:14px;margin:0 0 28px}
h2{font-family:"Shippori Mincho","Noto Serif JP","Yu Mincho",serif;font-size:20px;font-weight:500;margin:40px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
p,li{font-size:15px}ol,ul{padding-left:1.3em}li{margin:6px 0}
.box{background:var(--card);border:1px solid var(--line);padding:20px;margin:36px 0}.box b{font-weight:500}
.btn{display:inline-block;background:transparent;color:var(--ink);border:1px solid var(--ink);text-decoration:none;padding:12px 22px;font-size:12px;letter-spacing:.14em;margin:6px 8px 0 0}
.faq dt{font-weight:500;margin-top:16px}.faq dd{margin:4px 0 0;color:var(--muted)}
.toc{background:var(--bg2);padding:16px 20px;font-size:14px;margin:0 0 20px}.toc ol{margin:6px 0 0}
.list{list-style:none;padding:0;margin:24px 0}.list li{border-bottom:1px solid var(--line);padding:18px 0}.list a{text-decoration:none}.list .t{font-weight:500;font-size:16px}.list .d{font-size:13px;color:var(--muted);margin-top:4px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.chips span{font-size:12px;border:1px solid var(--line);padding:4px 12px;border-radius:999px}
footer{border-top:1px solid var(--line);margin-top:60px;padding:30px 16px;font-size:12px;color:var(--muted);text-align:center}
.note{font-size:12px;color:var(--muted)}