:root{--green: #2e7d32;--green-dark: #1b5e20;--green-light: #e8f5e9;--accent: #f9a825;--text: #1f2933;--text-muted: #52606d;--bg: #ffffff;--bg-soft: #f5f7f4;--border: #e2e8de;--correct: #2e7d32;--wrong: #c62828;--radius: 12px;--maxw: 760px;--font: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Meiryo", sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.75;font-size:16px}a{color:var(--green-dark)}img{max-width:100%;height:auto}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 16px}.site-header{background:var(--green);color:#fff;position:sticky;top:0;z-index:20}.site-header .container{display:flex;align-items:center;justify-content:space-between;min-height:56px;gap:12px}.site-header a{color:#fff;text-decoration:none}.brand{font-weight:700;font-size:1.05rem}.nav{display:flex;gap:14px;flex-wrap:wrap;align-items:center;font-size:.9rem}.site-header .nav-feedback{background:transparent;color:#fff;font-family:inherit;cursor:pointer;border:1px solid rgba(255,255,255,.85);border-radius:999px;padding:3px 12px;font-size:.82rem;font-weight:700;white-space:nowrap}.site-header .nav-feedback:hover{background:#fff;color:var(--green)}.site-footer{margin-top:48px;background:var(--bg-soft);border-top:1px solid var(--border);color:var(--text-muted);font-size:.85rem}.site-footer .container{padding-top:24px;padding-bottom:32px}.site-footer nav{display:flex;flex-wrap:wrap;gap:8px 16px;margin-bottom:12px}.site-footer a{color:var(--text-muted)}main{padding-top:20px}h1{font-size:1.5rem;line-height:1.4;margin:.4em 0}h2{font-size:1.25rem;margin-top:1.6em;border-left:4px solid var(--green);padding-left:10px}h3{font-size:1.08rem}.card{display:block;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-decoration:none;color:inherit;transition:box-shadow .15s,transform .15s}.card:hover{box-shadow:0 4px 16px #00000014;transform:translateY(-2px)}.card-grid{display:grid;grid-template-columns:1fr;gap:14px}@media(min-width:600px){.card-grid{grid-template-columns:1fr 1fr}}.btn{display:inline-block;background:var(--green);color:#fff;padding:12px 22px;border-radius:var(--radius);text-decoration:none;font-weight:700;border:none;cursor:pointer;font-size:1rem}.btn:hover{background:var(--green-dark)}.btn-outline{background:#fff;color:var(--green-dark);border:2px solid var(--green)}.btn-outline:hover,.btn-outline:focus-visible{background:var(--green);color:#fff}.badge{display:inline-block;font-size:.75rem;background:var(--green-light);color:var(--green-dark);padding:2px 8px;border-radius:999px}.lead{color:var(--text-muted);font-size:1.02rem}.pr-note{font-size:.75rem;color:var(--text-muted);background:#fff8e1;border:1px solid #ffe082;border-radius:6px;padding:2px 8px;display:inline-block}.fb-dialog{border:none;border-radius:14px;padding:0;width:min(480px,calc(100vw - 24px));max-height:calc(100vh - 24px);box-shadow:0 12px 40px #00000040;color:var(--text, #222);background:#fff}.fb-dialog::backdrop{background:#00000073}.fb-dialog form{padding:18px 20px 20px}.fb-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.fb-head h2{margin:0;font-size:1.15rem}.fb-close{background:none;border:none;font-size:1.1rem;cursor:pointer;color:var(--text-muted, #666);padding:6px}.fb-lead{margin:0 0 12px;font-size:.9rem;color:var(--text-muted, #666)}.fb-label{display:block;margin:12px 0 4px;font-size:.88rem;font-weight:700}.fb-req{font-size:.72rem;color:#c62828;margin-left:4px}.fb-dialog select,.fb-dialog textarea,.fb-dialog input[type=email]{width:100%;box-sizing:border-box;font:inherit;font-size:16px;padding:9px 10px;border:1px solid var(--border, #ccc);border-radius:8px;background:#fff;color:inherit}.fb-dialog textarea{resize:vertical;min-height:110px}.fb-dialog select:focus,.fb-dialog textarea:focus,.fb-dialog input[type=email]:focus{outline:2px solid var(--green, #2e7d32);outline-offset:1px}.fb-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}.fb-error{margin:10px 0 0;color:#c62828;font-size:.88rem}.fb-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:16px}.fb-btn{font:inherit;font-weight:700;padding:9px 18px;border-radius:999px;cursor:pointer;border:2px solid var(--green, #2e7d32)}.fb-btn-main{background:var(--green, #2e7d32);color:#fff}.fb-btn-main:disabled{opacity:.6;cursor:default}.fb-btn-sub{background:#fff;color:var(--green, #2e7d32)}.fb-note{margin:12px 0 0;font-size:.78rem;color:var(--text-muted, #666)}.fb-done{text-align:center;padding:16px 0 4px}.fb-done-title{font-size:1.05rem;font-weight:700;color:var(--green, #2e7d32)}