:root{--fh-font:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji",sans-serif;--fh-text:#111;--fh-muted:#555;--fh-border:#e6e8f0;--fh-bg:#fff;--fh-panel:#f7f8fb;--fh-green:#2ec27e;--fh-green-700:#25a06a;--fh-green-50:#e7f7ef}.fh5whys-wrapper{max-width:760px;margin:0
auto;padding:1rem 1rem 2rem}.fh-title{font-family:var(--fh-font);color:var(--fh-text);font-weight:800;font-size:clamp(28px,4vw,36px);margin:.25rem 0 1rem}.fh-form .fh-field{margin-bottom:1rem}.fh-field
label{display:block;font-family:var(--fh-font);color:var(--fh-text);font-weight:700;font-size:14px;margin-bottom:.4rem}.fh-field input[type="text"],
.fh-field input[type="email"],
.fh-field
textarea{width:100%;font-family:var(--fh-font);font-size:16px;color:var(--fh-text);background:var(--fh-bg);border:1px
solid var(--fh-border);border-radius:12px;padding:.7rem .9rem;outline:none;transition:border .15s, box-shadow .15s}.fh-field
textarea{min-height:130px;resize:vertical}.fh-field input::placeholder,
.fh-field textarea::placeholder{color:#9aa1ad}.fh-field input:focus,
.fh-field textarea:focus{border-color:var(--fh-green);box-shadow:0 0 0 3px var(--fh-green-50)}.fh-why-row{margin-bottom:.9rem}.fh-row{display:flex;gap:.5rem;align-items:center}.fh-icon-btn{border:1px
solid var(--fh-border);background:#fafafa;color:var(--fh-text);border-radius:10px;padding:.42rem .62rem;line-height:1;cursor:pointer;transition:background .15s, border-color .15s}.fh-icon-btn:hover{background:#f0f2f5}.fh-icon-btn:focus{outline:none;box-shadow:0 0 0 3px var(--fh-green-50)}.fh-actions{display:flex;gap:.6rem;margin: .6rem 0 1.2rem}.fh-btn{font-family:var(--fh-font);font-weight:650;font-size:14px;color:var(--fh-text);background:#fff;border:1px
solid var(--fh-text);border-radius:12px;padding:.65rem 1rem;cursor:pointer;transition:background .15s, color .15s, border-color .15s, transform .02s}.fh-btn:hover{background:#f5f5f5}.fh-btn:active{transform:translateY(1px)}.fh-btn.primary{background:var(--fh-green);color:#fff;border-color:var(--fh-green)}.fh-btn.primary:hover{background:var(--fh-green-700);border-color:var(--fh-green-700)}.fh-btn.ghost{background:#f5f7fa;border-color:#dfe3ea;color:var(--fh-text)}.fh-lead{background:#fafafa;border:1px
solid var(--fh-border);border-radius:14px;padding:1rem;margin:1.2rem 0}.fh-checkbox{display:flex;gap:.55rem;align-items:flex-start;color:var(--fh-muted)}.fh-checkbox
input{margin-top:.28rem}.fh-summary{margin-top:1.1rem}.fh-summary
h3{font-family:var(--fh-font);font-size:18px;font-weight:800;margin:.2rem 0 .6rem}.fh-summary-box{white-space:pre-wrap;background:var(--fh-panel);color:var(--fh-text);padding:1rem;border-radius:12px;min-height:120px;border:1px
solid var(--fh-border)}.fh-summary-actions{margin-top:.7rem;display:flex;gap:.6rem;flex-wrap:wrap}.fh-toast{position:fixed;bottom:18px;right:18px;background:var(--fh-text);color:#fff;padding:.65rem .9rem;border-radius:10px;display:none}.fh-toast.success{background:var(--fh-green)}.fh-toast.error{background:#b00020}.fh-btn:focus,.fh-icon-btn:focus{outline:none;box-shadow:0 0 0 3px var(--fh-green-50)}