:root{--bg:#ffffff;--bg-soft:#f6f6f8;--fg:#1d1d1f;--muted:#8e8e93;--line:#ededf0;--accent:#fb5b78;--accent-press:#e84a67;--accent-soft:#fff0f3;--ok:#16b673;--radius:18px;--radius-sm:12px;--shadow-sm:0 1px 3px rgba(0,0,0,0.05);--shadow:0 6px 24px rgba(0,0,0,0.08);--maxw:480px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.6;letter-spacing:.01em}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}h1,h2,h3{letter-spacing:.02em;text-wrap:balance}.wrap-phrase>span{display:inline-block}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:999px;font-weight:700;font-size:15px;padding:14px 22px;transition:transform .08s ease,background .15s ease,opacity .15s ease}.btn:active{transform:scale(.975)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:active{background:var(--accent-press)}.btn-primary:disabled{opacity:.4}.btn-ghost{background:var(--bg-soft);color:#555}.btn-block{width:100%}.field{display:grid;grid-gap:7px;gap:7px}.label{font-size:13px;font-weight:700;color:var(--fg)}.input,select.input,textarea.input{width:100%;padding:13px 15px;font-size:15px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;color:var(--fg);outline:none;transition:border-color .15s ease,box-shadow .15s ease}.input:focus,select.input:focus,textarea.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.chip{display:inline-flex;align-items:center;font-size:12px;color:#555;background:var(--bg-soft);border-radius:999px;padding:5px 12px}.hint,.muted{color:var(--muted)}.hint{font-size:12px;line-height:1.7}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;padding:16px 2px;font-weight:700;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"＋";color:var(--accent);font-weight:700;flex-shrink:0}.faq details[open] summary:after{content:"−"}.faq details>div{padding:0 2px 18px;color:#555;font-size:14px;line-height:1.85}.wordmark{font-size:34px;font-weight:800;letter-spacing:.04em}.wordmark .dot{color:var(--accent)}