:root{--text:#1d1d1f;--text-soft:#6e6e73;--bg:#fff;--bg-soft:#f5f5f7;--line:#d2d2d7;--blue:#0071e3;--blue-hover:#0077ed;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,Helvetica Neue,Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif;line-height:1.5}*{box-sizing:border-box}body{background:var(--bg);min-width:320px;margin:0}h1,h2,h3,p{overflow-wrap:anywhere;margin:0}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.nav{z-index:10;-webkit-backdrop-filter:saturate(180%)blur(20px);background:#fffc;border-bottom:1px solid #00000014;position:sticky;top:0}.nav-inner{justify-content:space-between;align-items:center;max-width:980px;height:48px;margin:0 auto;padding:0 22px;display:flex}.brand{color:var(--text);letter-spacing:-.01em;font-size:1.05rem;font-weight:600}.brand:hover{text-decoration:none}.nav-links{gap:26px;display:flex}.nav-links a{color:var(--text-soft);font-size:.82rem}.nav-links a:hover{color:var(--text);text-decoration:none}.hero{text-align:center;max-width:820px;margin:0 auto;padding:120px 22px 110px}.eyebrow{color:var(--blue);letter-spacing:.02em;margin-bottom:14px;font-size:.95rem;font-weight:600}.hero h1{letter-spacing:-.025em;font-size:clamp(2.6rem,7vw,4.5rem);font-weight:700;line-height:1.07}.hero-sub{max-width:600px;color:var(--text-soft);margin:24px auto 0;font-size:clamp(1.05rem,2.4vw,1.3rem);line-height:1.5}.hero-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:26px;margin-top:38px;display:flex}.btn{align-items:center;font-size:1.05rem;font-weight:400;display:inline-flex}.btn:hover{text-decoration:none}.btn-primary{background:var(--blue);color:#fff;border-radius:980px;padding:12px 24px;transition:background .2s}.btn-primary:hover{background:var(--blue-hover)}.btn-text{color:var(--blue)}.btn-text:hover{text-decoration:underline}.band{background:var(--bg-soft)}.band-inner{text-align:center;max-width:820px;margin:0 auto;padding:96px 22px}.section{max-width:980px;margin:0 auto;padding:96px 22px}.section-head{text-align:center;margin-bottom:48px}h1{letter-spacing:-.025em;font-size:clamp(2.4rem,6vw,3.6rem);font-weight:700}h2{letter-spacing:-.02em;font-size:clamp(1.9rem,4vw,2.7rem);font-weight:700}.lead{max-width:640px;color:var(--text-soft);margin:22px auto 0;font-size:clamp(1.05rem,2.2vw,1.25rem);line-height:1.6}.cards{grid-template-columns:repeat(2,1fr);gap:20px;display:grid}.card{background:var(--bg-soft);border-radius:18px;padding:34px 32px}.card-link{color:inherit;transition:transform .2s}.card-link:hover{text-decoration:none;transform:translateY(-2px)}.card h3{letter-spacing:-.01em;margin-bottom:12px;font-size:1.35rem;font-weight:600}.card p{color:var(--text-soft);font-size:1rem;line-height:1.6}.card-empty{border:1px dashed var(--line);background:0 0;grid-column:1/-1;justify-content:center;align-items:center;min-height:160px;display:flex}.card-empty p{color:#a0a0a0;font-size:1.1rem}.page{min-height:60vh}.page-inner{text-align:center;max-width:680px;margin:0 auto;padding:110px 22px 96px}.page-inner h1,.prose h1{margin-bottom:24px}.back{margin-top:48px;font-size:.95rem}.mail{letter-spacing:-.01em;margin-top:28px;font-size:clamp(1.3rem,3.5vw,1.9rem);font-weight:600;display:inline-block}.prose{max-width:680px;margin:0 auto;padding:110px 22px 96px}.prose h1{text-align:center}.prose h3{letter-spacing:-.01em;margin:32px 0 8px;font-size:1.15rem;font-weight:600}.prose p{color:var(--text-soft);font-size:1rem;line-height:1.7}.prose .updated{color:var(--text-soft);margin-top:36px;font-size:.85rem}.footer{border-top:1px solid var(--line);background:var(--bg-soft)}.footer-inner{text-align:center;max-width:980px;margin:0 auto;padding:40px 22px}.footer-brand{color:var(--text);font-weight:600}.footer-links{justify-content:center;gap:22px;margin-top:14px;display:flex}.footer-links a{color:var(--text-soft);font-size:.88rem}.footer-links a:hover{color:var(--text);text-decoration:none}.copyright{color:#86868b;margin-top:18px;font-size:.78rem}@media (width<=640px){.nav-links{gap:16px}.nav-links a{font-size:.78rem}.hero{padding:80px 22px 70px}.band-inner,.section{padding:64px 22px}.cards{grid-template-columns:1fr}}@media (width<=420px){.nav-links{display:none}}