:root{
  --bg:#f2f4f7; --surface:#ffffff; --ink:#101828; --ink2:#475467; --mut:#98a2b3;
  --accent:#0f766e; --accent-soft:#e6f4f2; --accent-ink:#fff; --line:#e4e7ec;
  --shadow:0 1px 3px rgba(16,24,40,.08),0 4px 14px rgba(16,24,40,.06); color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0f1216; --surface:#171b21; --ink:#e8edf3; --ink2:#9aa6b2; --mut:#6b7785;
    --accent:#2dd4bf; --accent-soft:#10312e; --accent-ink:#06231f; --line:#252b33;
    --shadow:0 1px 3px rgba(0,0,0,.5),0 4px 14px rgba(0,0,0,.4); color-scheme:dark;
  }
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
a{color:var(--accent)}
.top{position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:14px;height:62px}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:15.5px;text-decoration:none;color:var(--ink);flex:1;min-width:0}
.brand img{width:34px;height:34px;border-radius:9px;display:block}
.brand .b2{font-size:11px;font-weight:700;color:var(--ink2);display:block;letter-spacing:.04em;text-transform:uppercase}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:10px 16px;font-size:14px;font-weight:800;text-decoration:none;background:var(--accent);color:var(--accent-ink)}
main{padding:38px 0 60px}
article{background:var(--surface);border-radius:18px;box-shadow:var(--shadow);padding:30px 26px}
@media(min-width:640px){article{padding:40px 44px}}
/* v3.6 (CEO 11 Oct 2026): phones edge to edge - no outer gutter, full-bleed article, 10px inner side padding */
@media(max-width:639px){
  html,body{overflow-x:clip}
  .wrap{padding:0 10px}
  .top .wrap{padding:0 8px}
  main{padding:12px 0 40px}
  main .wrap{padding:0}
  article{border-radius:0;box-shadow:none;padding:24px 10px;overflow-wrap:break-word}
}
.kicker{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
h1{font-size:clamp(26px,4vw,34px);line-height:1.15;font-weight:800;letter-spacing:-.01em}
.meta{color:var(--ink2);font-size:13.5px;margin:8px 0 26px}
h2{font-size:18px;font-weight:800;margin:28px 0 8px}
h3{font-size:15px;font-weight:800;margin:18px 0 6px}
p,li{font-size:15px;color:var(--ink)}
p{margin:0 0 12px}
ul,ol{margin:0 0 12px 22px}
li{margin:4px 0}
.box{background:var(--accent-soft);border-radius:14px;padding:16px 18px;margin:16px 0;font-size:14.5px}
.addr{font-family:inherit;white-space:pre-line;line-height:1.55}
table{width:100%;border-collapse:collapse;font-size:14.5px;margin:10px 0 16px}
th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink2);padding:8px 6px;border-bottom:1px solid var(--line)}
td{padding:9px 6px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
.sig{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);font-size:14.5px}
.sig b{display:block}
footer{border-top:1px solid var(--line);padding:22px 0 40px;font-size:13px;color:var(--ink2)}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center}
footer a{color:var(--ink2);text-decoration:none}
footer a:hover{color:var(--accent)}
footer .sp{flex:1}