:root{
  --ink:#111111;
  --paper:#f4f2ed;
  --paper-2:#ece9e1;
  --white:#ffffff;
  --muted:#696761;
  --line:#d4d0c7;
  --red:#b71f27;
  --black:#080808;
  --max:1240px;
  --reading:760px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.9;overflow-x:hidden}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{width:min(var(--max),calc(100% - 64px));margin:auto}
.k-header{position:relative;z-index:20;background:#080808;color:#fff;border-bottom:1px solid rgba(255,255,255,.14)}
.k-header-inner{height:82px;display:flex;align-items:center;justify-content:space-between}
.k-logo{display:flex;align-items:center;gap:13px;text-decoration:none}
.k-logo-mark{width:36px;height:36px;border:1px solid rgba(255,255,255,.82);display:grid;place-items:center;font:16px/1 Georgia,serif}
.k-logo-text{font-family:Georgia,"Times New Roman",serif;letter-spacing:.08em;font-size:17px}
.k-nav{display:flex;align-items:center;gap:26px}
.k-nav a{text-decoration:none;font-size:13px;letter-spacing:.04em;color:rgba(255,255,255,.82)}
.k-nav .contact{border:1px solid rgba(255,255,255,.62);padding:10px 18px;color:#fff}
.k-hero{padding:82px 0 68px;border-bottom:1px solid var(--line)}
.k-eyebrow{font-size:11px;letter-spacing:.2em;font-weight:700}
.k-hero h1{margin:15px 0 14px;font-family:"Yu Mincho","Hiragino Mincho ProN","Times New Roman",serif;font-size:clamp(44px,6vw,82px);font-weight:500;letter-spacing:-.05em;line-height:1.08}
.k-hero p{max-width:720px;margin:0;color:var(--muted);font-size:16px}
.k-tools{padding:34px 0;border-bottom:1px solid var(--line);background:rgba(255,255,255,.2)}
.k-tools-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.k-filter{display:flex;flex-wrap:wrap;gap:8px}
.k-filter button{border:1px solid var(--line);background:transparent;color:var(--ink);padding:10px 18px;font:inherit;font-size:13px;cursor:pointer;transition:.25s var(--ease)}
.k-filter button:hover,.k-filter button.is-active{background:#111;color:#fff;border-color:#111}
.k-search{display:flex;align-items:center;border-bottom:1px solid #222;width:min(330px,100%)}
.k-search input{width:100%;border:0;background:transparent;padding:10px 4px;font:inherit;font-size:13px;outline:none}
.k-search span{font-size:12px;letter-spacing:.12em;color:var(--muted)}
.k-list{padding:68px 0 112px}
.k-result{font-size:12px;color:var(--muted);letter-spacing:.08em;margin-bottom:22px}
.k-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px 24px}
.k-card{display:block;text-decoration:none;border-top:1px solid #242424;padding-top:14px;transition:transform .45s var(--ease),opacity .25s}
.k-card:hover{transform:translateY(-5px)}
.k-card[hidden]{display:none}
.k-banner{aspect-ratio:1.65/1;background:#f7f5f0;border:1px solid #e0ddd5;padding:28px 28px 24px;display:flex;flex-direction:column;overflow:hidden;position:relative}
.k-banner-top{font-size:10px;letter-spacing:.24em;font-weight:600;text-transform:uppercase;border-bottom:1px solid #d9d6cf;padding-bottom:13px;white-space:nowrap}
.k-banner-title{margin:auto 0;min-height:0;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;font-family:"Yu Mincho","Hiragino Mincho ProN","Times New Roman",serif;font-size:clamp(22px,2vw,32px);font-weight:500;letter-spacing:-.045em;line-height:1.38;overflow:hidden}
.k-banner-title span{display:block;white-space:nowrap}
.k-card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;color:var(--muted);font-size:11px;letter-spacing:.06em}
.k-card h2{font-size:18px;line-height:1.55;font-weight:600;margin:10px 0 8px;letter-spacing:-.015em}
.k-card p{font-size:13px;line-height:1.75;color:var(--muted);margin:0}
.k-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.k-card-tags span{font-size:10px;border:1px solid var(--line);padding:3px 7px;color:var(--muted)}
.k-empty{display:none;padding:70px 0;text-align:center;color:var(--muted);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.k-empty.is-visible{display:block}
.k-footer{background:#080808;color:rgba(255,255,255,.62);padding:36px 0;font-size:12px;letter-spacing:.06em}
.k-footer-inner{display:flex;justify-content:space-between;gap:20px}

/* Article */
.a-hero{padding:62px 0 54px;border-bottom:1px solid var(--line)}
.a-breadcrumb{font-size:11px;letter-spacing:.08em;color:var(--muted);margin-bottom:30px}
.a-breadcrumb a{text-decoration:none}
.a-banner{background:#f7f5f0;border:1px solid #dfdcd4;padding:35px 42px 44px;min-height:390px;display:flex;flex-direction:column}
.a-banner-top{font-size:11px;letter-spacing:.24em;font-weight:600;border-bottom:1px solid #d7d3ca;padding-bottom:16px}
.a-banner h1{margin:auto 0 0;max-width:1050px;font-family:"Yu Mincho","Hiragino Mincho ProN","Times New Roman",serif;font-size:clamp(38px,5.2vw,72px);font-weight:500;letter-spacing:-.05em;line-height:1.28}
.a-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:20px;font-size:12px;color:var(--muted)}
.a-category{border:1px solid var(--line);padding:4px 9px}
.a-layout{display:grid;grid-template-columns:minmax(0,var(--reading)) 260px;gap:72px;align-items:start;padding:64px 0 110px;justify-content:center}
.a-content{font-size:16px}
.a-lead{font-size:19px;line-height:2;color:#333;margin:0 0 42px}
.a-summary{border:1px solid #cfcac0;background:#eeebe4;padding:26px 28px;margin:0 0 48px}
.a-summary-label{font-size:11px;letter-spacing:.16em;font-weight:700;margin-bottom:12px}
.a-summary ul{margin:0;padding-left:1.2em}
.a-summary li{margin:6px 0}
.a-content h2{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:32px;line-height:1.5;font-weight:600;letter-spacing:-.035em;margin:72px 0 22px;padding-top:18px;border-top:1px solid #222}
.a-content h3{font-size:21px;line-height:1.6;margin:38px 0 14px}
.a-content p{margin:0 0 23px}
.a-content ul,.a-content ol{margin:0 0 26px;padding-left:1.4em}
.a-content li{margin:8px 0}
.a-quote{margin:38px 0;padding:30px 34px;border-left:4px solid var(--red);background:#ebe8e1;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:22px;line-height:1.75}
.a-table-wrap{overflow-x:auto;margin:32px 0 40px}
.a-table{border-collapse:collapse;width:100%;min-width:650px;font-size:14px;background:rgba(255,255,255,.28)}
.a-table th,.a-table td{border:1px solid var(--line);padding:15px 16px;text-align:left;vertical-align:top}
.a-table th{background:#111;color:#fff;font-weight:600}
.a-note{border:1px solid var(--line);padding:24px 26px;background:#f8f6f2;margin:30px 0}
.a-note strong{display:block;margin-bottom:8px}
.a-cta{margin-top:72px;background:#090909;color:#fff;padding:42px}
.a-cta-label{font-size:10px;letter-spacing:.2em;color:rgba(255,255,255,.55)}
.a-cta h2{border:0;padding:0;margin:14px 0 16px;color:#fff;font-size:32px}
.a-cta p{color:rgba(255,255,255,.68)}
.a-cta a{display:inline-flex;text-decoration:none;border:1px solid rgba(255,255,255,.5);padding:12px 18px;font-size:13px;margin-top:8px;transition:.25s}
.a-cta a:hover{background:#fff;color:#111}
.a-side{position:sticky;top:30px}
.a-side-box{border-top:1px solid #222;padding-top:16px;margin-bottom:34px}
.a-side-title{font-size:11px;letter-spacing:.16em;font-weight:700;margin-bottom:12px}
.a-toc{list-style:none;padding:0;margin:0}
.a-toc li{border-bottom:1px solid var(--line)}
.a-toc a{display:block;text-decoration:none;padding:10px 0;font-size:12px;line-height:1.6;color:var(--muted)}
.a-related a{display:block;text-decoration:none;font-size:12px;line-height:1.7;padding:12px 0;border-bottom:1px solid var(--line)}
.a-back{display:inline-block;margin-top:18px;font-size:12px;text-decoration:none;border-bottom:1px solid #111}
@media(max-width:980px){
  .k-grid{grid-template-columns:repeat(2,1fr)}
  .a-layout{grid-template-columns:1fr;gap:42px}
  .a-side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:720px){
  .wrap{width:min(100% - 28px,var(--max))}
  .k-header-inner{height:70px}.k-nav a:not(.contact){display:none}
  .k-hero{padding:58px 0 46px}.k-hero h1{font-size:50px}
  .k-tools-inner{align-items:stretch;flex-direction:column}.k-search{width:100%}
  .k-grid{grid-template-columns:1fr;gap:34px}
  .k-banner{padding:22px;aspect-ratio:1.65/1}.k-banner-title{font-size:30px}
  .a-hero{padding:35px 0}.a-banner{min-height:300px;padding:24px 24px 30px}.a-banner h1{font-size:39px}
  .a-layout{padding:44px 0 80px}.a-content{font-size:15px}.a-lead{font-size:17px}
  .a-content h2{font-size:27px;margin-top:58px}.a-quote{font-size:19px;padding:24px}
  .a-table{min-width:0;table-layout:fixed;font-size:13px}.a-table th,.a-table td{padding:12px 10px;word-break:break-word}
  .a-side{grid-template-columns:1fr}.a-cta{padding:28px}.k-footer-inner{flex-direction:column}
}