:root{--teal: #3f97a6;--teal-700: #347f8d;--teal-900: #2b6975;--teal-050: #eaf4f6;--forest: #21333b;--forest-700: #15242a;--clay: #3f97a6;--clay-soft: #bfe0e6;--gold: #b8893b;--gold-soft: #f6efe2;--ink: #283a41;--muted: #6a7b81;--line: #e3e9ea;--cream: #ffffff;--card: #ffffff;--sage: #f1f6f7;--premium: #21333b;--shadow: 0 1px 3px rgba(33, 51, 59, .07), 0 1px 2px rgba(33, 51, 59, .05);--shadow-lg: 0 10px 34px rgba(33, 51, 59, .13);--radius: 14px;--radius-sm: 10px;--maxw: 1180px;--font-head: "PT Serif", Georgia, "Times New Roman", serif;--font-body: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--cream);line-height:1.6;font-size:16.5px;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:var(--font-head);color:var(--forest);line-height:1.18;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}h1{font-size:clamp(2rem,4.4vw,3.1rem)}h2{font-size:clamp(1.5rem,3vw,2.1rem)}h3{font-size:1.25rem}p{margin:0 0 1rem}a{color:var(--teal);text-decoration-color:var(--clay-soft);text-underline-offset:2px}a:hover{color:var(--teal-700);text-decoration-color:var(--teal-700)}img{max-width:100%;display:block}.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}.container-narrow{max-width:760px;margin:0 auto;padding:0 22px}.section{padding:56px 0}.section-sm{padding:34px 0}.muted{color:var(--muted)}.center{text-align:center}.lead{font-size:1.18rem;color:#46565c}.btn{display:inline-flex;align-items:center;gap:8px;font-weight:650;font-size:15px;font-family:var(--font-body);padding:12px 20px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .04s ease,background .15s ease,box-shadow .15s ease,color .15s ease;white-space:nowrap}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:var(--teal-700);color:#fff}.btn-accent{background:var(--teal);color:#fff}.btn-accent:hover{background:var(--teal-700);color:#fff}.btn-ghost{background:#fff;color:var(--teal-900);border-color:#cfdde0}.btn-ghost:hover{background:var(--teal);color:#fff;border-color:var(--teal)}.btn-block{width:100%;justify-content:center}.btn-lg{padding:15px 26px;font-size:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card-pad{padding:22px}.tag{display:inline-block;font-size:12.5px;font-weight:600;padding:4px 11px;border-radius:999px;background:var(--sage);color:#38525a;border:1px solid var(--line)}.tag-premium{background:var(--forest);color:#fff;border-color:var(--forest)}.tag-hsi{background:var(--gold-soft);color:#7a5a1e;border-color:#e6cfa6}.tag-clay{background:var(--teal-050);color:var(--teal-900);border-color:#cce6ea}.hsi-badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:#6f5117;background:var(--gold-soft);border:1px solid #e6cfa6;padding:5px 12px;border-radius:999px}.hsi-badge:before{content:"★";color:var(--gold)}label{font-weight:600;font-size:14px;display:block;margin:0 0 6px;color:#2f444b}.field,input[type=text],input[type=email],input[type=password],input[type=tel],input[type=url],input[type=search],input[type=number],input[type=month],input[type=date],select,textarea{width:100%;font:inherit;font-size:15px;color:var(--ink);padding:11px 13px;border:1px solid #d3dcde;border-radius:var(--radius-sm);background:#fff;outline:none}.field:focus,input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px #3f97a629}textarea{min-height:110px;resize:vertical}.form-row{margin-bottom:16px}.form-grid{display:grid;gap:16px;grid-template-columns:1fr 1fr}.help{font-size:13px;color:var(--muted);margin-top:5px}.notice{padding:12px 15px;border-radius:var(--radius-sm);font-size:14.5px}.notice-error{background:#fdeef0;color:#8a2330;border:1px solid #f3cdd2}.notice-ok{background:var(--teal-050);color:var(--teal-900);border:1px solid #c5e2e6}.notice-info{background:var(--gold-soft);color:#6f5117;border:1px solid #e6cfa6}.grid{display:grid;gap:22px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 860px){.grid-2,.grid-3,.grid-4,.form-grid{grid-template-columns:1fr}}.stack>*+*{margin-top:14px}.flex{display:flex;align-items:center;gap:12px}.flex-between{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.wrap{flex-wrap:wrap}