*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--black: #0a0a0a;--white: #f8f5f0;--accent: #c8a96e;--mid: #3a3a3a;--light-border: rgba(200,169,110,.25);--text-primary: rgba(248,245,240,.88);--text-secondary: rgba(248,245,240,.55);--text-muted: rgba(248,245,240,.3);--bg-elevated: #111111;--content-width: 720px;--page-width: 1080px}html{scroll-behavior:smooth}body{background:var(--black);color:var(--text-primary);font-family:Noto Sans JP,sans-serif;font-weight:300;line-height:1.8;overflow-x:hidden;min-height:100vh}a{color:var(--accent);text-decoration:none;transition:opacity .2s}a:hover{opacity:.8}img{max-width:100%;height:auto}.site-header{position:sticky;top:0;z-index:100;background:#0a0a0aeb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--light-border)}.header-inner{max-width:var(--page-width);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}.site-logo{display:flex;align-items:baseline;gap:12px;color:var(--white)}.site-logo:hover{opacity:1}.logo-main{font-family:"Noto Serif JP",serif;font-weight:700;font-size:16px;letter-spacing:.05em}.logo-sub{font-size:11px;letter-spacing:.2em;color:var(--accent);text-transform:uppercase}.site-nav{display:flex;align-items:center;gap:28px}.site-nav a{font-size:13px;color:var(--text-secondary);letter-spacing:.04em}.site-nav a:hover{color:var(--white);opacity:1}.nav-lp{padding:8px 20px;border:1px solid var(--light-border);color:var(--accent)!important;font-family:"Noto Serif JP",serif;font-weight:700;font-size:12px!important;letter-spacing:.08em;transition:background .2s,border-color .2s}.nav-lp:hover{background:#c8a96e14;border-color:var(--accent);opacity:1!important}.site-cta{padding:clamp(80px,12vw,160px) 24px;text-align:center;position:relative;overflow:hidden}.site-cta:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 70% 50% at 50% 60%,rgba(200,169,110,.06),transparent);pointer-events:none}.cta-inner{position:relative;max-width:600px;margin:0 auto}.cta-label{font-size:11px;letter-spacing:.3em;color:var(--accent);text-transform:uppercase;margin-bottom:28px}.site-cta h2{font-family:"Noto Serif JP",serif;font-size:clamp(24px,4vw,44px);font-weight:900;color:var(--white);line-height:1.35;margin-bottom:20px}.cta-body{font-size:15px;color:var(--text-secondary);line-height:2;margin-bottom:48px}.cta-group{display:flex;flex-direction:column;align-items:center;gap:20px}.cta-btn{display:inline-block;padding:18px 56px;background:var(--accent);color:var(--black)!important;font-family:"Noto Serif JP",serif;font-weight:700;font-size:15px;letter-spacing:.1em;transition:background .25s,transform .2s}.cta-btn:hover{background:#e0be84;transform:translateY(-2px);opacity:1!important}.cta-btn-secondary{display:inline-block;padding:14px 40px;background:transparent;color:var(--accent)!important;font-family:"Noto Serif JP",serif;font-weight:700;font-size:13px;letter-spacing:.08em;border:1px solid var(--light-border);transition:background .25s,border-color .25s,transform .2s}.cta-btn-secondary:hover{background:#c8a96e14;border-color:var(--accent);transform:translateY(-2px);opacity:1!important}.site-footer{padding:40px 24px;text-align:center;border-top:1px solid var(--light-border);font-size:12px;color:var(--text-muted);letter-spacing:.1em}.prose{font-size:16px;line-height:2;color:var(--text-primary);max-width:var(--content-width)}.prose h2{font-family:"Noto Serif JP",serif;font-size:clamp(22px,3vw,28px);font-weight:700;color:var(--white);margin:64px 0 24px;padding-bottom:16px;border-bottom:1px solid var(--light-border);line-height:1.4}.prose h3{font-family:"Noto Serif JP",serif;font-size:clamp(18px,2.4vw,22px);font-weight:700;color:var(--white);margin:48px 0 16px;line-height:1.45}.prose p{margin-bottom:28px}.prose strong{color:var(--white);font-weight:500}.prose em{color:var(--accent);font-style:normal}.prose blockquote{border-left:3px solid var(--accent);padding:16px 0 16px 24px;margin:36px 0;color:var(--text-secondary);font-size:15px;line-height:2}.prose blockquote p:last-child{margin-bottom:0}.prose ul,.prose ol{padding-left:24px;margin-bottom:28px}.prose li{margin-bottom:8px}.prose li::marker{color:var(--accent)}.prose hr{border:none;height:1px;background:var(--light-border);margin:56px 0}.prose code{background:var(--bg-elevated);padding:2px 8px;border-radius:4px;font-size:.9em;color:var(--accent)}.prose pre{background:var(--bg-elevated);padding:24px;overflow-x:auto;margin:32px 0;border:1px solid rgba(200,169,110,.1)}.prose pre code{background:none;padding:0;border-radius:0;font-size:14px;color:var(--text-primary)}.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-color:#c8a96e4d;transition:text-decoration-color .2s}.prose a:hover{text-decoration-color:var(--accent);opacity:1}.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:translateY(0)}@media(max-width:640px){.header-inner{padding:0 16px}.site-nav{gap:16px}.logo-main{font-size:14px}.nav-lp{padding:6px 14px}}