.hero{padding:80px 32px 56px}.hero-content{max-width:820px}.hero-title{font-size:clamp(34px,4.6vw,52px)}.est-sec{padding:56px 32px}.est-sec--alt{background:var(--paper-warm);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}.est-inner{max-width:980px;margin:0 auto}.est-step{font-family:JetBrains Mono,monospace;font-size:12px;letter-spacing:.2em;color:var(--cobalt);font-weight:700}.est-h2{font-family:"Noto Serif JP",serif;font-weight:700;font-size:clamp(22px,3vw,32px);color:var(--ink);margin:8px 0 12px}.est-lede{font-size:15px;line-height:1.9;color:var(--text-soft);max-width:720px;margin-bottom:28px}.diag-box{background:var(--paper);border:1px solid var(--rule);padding:24px}.est-sec--alt .diag-box{background:var(--paper)}.diag-label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:8px}.diag-row{display:flex;gap:10px;flex-wrap:wrap}.diag-input{flex:1;min-width:240px;padding:12px 14px;border:1px solid var(--rule);font-size:15px;font-family:JetBrains Mono,monospace;background:var(--paper);color:var(--ink)}.diag-input:focus{outline:2px solid var(--cobalt);outline-offset:1px}.diag-btn{padding:12px 22px;background:var(--ink);color:var(--paper);border:1px solid var(--ink);font-size:14px;font-weight:700;cursor:pointer;transition:background .2s}.diag-btn:hover{background:var(--cobalt);border-color:var(--cobalt)}.diag-btn--ghost{background:transparent;color:var(--ink);margin-top:10px}.diag-btn--ghost:hover{color:var(--paper)}.diag-btn[disabled]{opacity:.5;cursor:progress}.diag-hint{font-size:12.5px;color:var(--text-muted);line-height:1.8;margin-top:10px}.diag-details{margin-top:16px;border-top:1px solid var(--rule);padding-top:12px}.diag-details summary{cursor:pointer;font-size:13px;color:var(--cobalt)}.diag-textarea{width:100%;height:120px;margin-top:10px;padding:10px;border:1px solid var(--rule);font-family:JetBrains Mono,monospace;font-size:12px}.diag-result{margin-top:20px;padding:18px;border:1px solid var(--rule);background:var(--paper-warm)}.est-sec .diag-result{background:var(--paper-warm)}.diag-result h3{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:12px;font-family:JetBrains Mono,monospace;letter-spacing:.05em}.diag-checks{list-style:none;padding:0;margin:0 0 14px;display:grid;grid-template-columns:1fr 1fr;gap:6px 18px}.diag-checks li{font-size:13.5px;line-height:1.7}.diag-ok:before{content:"✓ ";color:#2e7d32;font-weight:700}.diag-ng:before{content:"✕ ";color:var(--rust);font-weight:700}.diag-recos{list-style:none;padding:0;margin:0}.diag-recos li{font-size:13.5px;line-height:1.85;padding-left:18px;position:relative}.diag-recos li:before{content:"→";position:absolute;left:0;color:var(--cobalt);font-weight:700}@media(max-width:600px){.diag-checks{grid-template-columns:1fr}}.est-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start}.est-fs{border:1px solid var(--rule);padding:18px 20px;margin:0 0 18px;background:var(--paper)}.est-fs legend{font-size:13px;font-weight:700;color:var(--ink);padding:0 8px}.est-opt,.est-radio{display:flex;align-items:baseline;gap:10px;padding:8px 0;font-size:14.5px;color:var(--text);cursor:pointer;line-height:1.6}.est-opt small{color:var(--text-muted);font-family:JetBrains Mono,monospace;font-size:12px;margin-left:8px}.est-sub{display:block;padding:4px 0 8px 8px;font-size:13px;color:var(--text-soft)}.est-sub select,.est-fs select{font-size:13px;padding:4px 6px;border:1px solid var(--rule);background:var(--paper)}.est-out{position:sticky;top:88px}.est-out-card{background:var(--ink);color:var(--paper);padding:26px 24px}.est-out-label{font-family:JetBrains Mono,monospace;font-size:11px;letter-spacing:.2em;color:#f4f1ea99}.est-out-total{font-family:"Noto Serif JP",serif;font-weight:900;font-size:clamp(28px,4vw,40px);color:var(--paper);margin:6px 0;line-height:1.2}.est-out-monthly{font-size:14px;color:#e7c9bd;margin-bottom:14px;min-height:0}.est-breakdown{list-style:none;padding:14px 0 0;margin:14px 0 0;border-top:1px solid rgba(244,241,234,.2);font-size:13px}.est-breakdown li{display:flex;justify-content:space-between;gap:12px;padding:4px 0;color:#f4f1ead9}.est-breakdown li span:last-child{font-family:JetBrains Mono,monospace;white-space:nowrap}.est-hint{font-size:13px;color:#f4f1eab3;line-height:1.8}.est-disclaimer{font-size:11.5px;color:#f4f1ea8c;line-height:1.7;margin-top:14px}.est-cta{display:block;text-align:center;margin-top:18px;padding:13px;background:var(--rust);color:var(--paper);text-decoration:none;font-weight:700;font-size:14px}.est-cta:hover{background:#a04527}@media(max-width:860px){.est-grid{grid-template-columns:1fr}.est-out{position:static}}