:root{--ink:#071733;--ink-2:#243650;--muted:#66738d;--green:#0b9554;--green-light:#eaf8f1;--line:#dce4ee;--soft:#f6f8fb;--shadow:0 18px 45px rgba(7,23,51,.08)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.7 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:linear-gradient(180deg,#fff 0,#f8fafc 100%);-webkit-font-smoothing:antialiased}
a{color:var(--green);text-underline-offset:3px}
a:hover{color:#087744}
header{position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(220,228,238,.9);background:rgba(255,255,255,.95);backdrop-filter:blur(16px)}
.wrap{max-width:860px;margin:auto;padding:0 24px}
.bar{min-height:74px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:9px;font-size:28px;font-weight:900;letter-spacing:-1.4px;color:var(--ink);text-decoration:none}
.brand:before{content:"";width:26px;height:26px;border:3px solid #16b86b;border-top:0;border-radius:3px 3px 7px 7px;clip-path:polygon(0 22%,50% 0,100% 22%,100% 100%,0 100%)}
.bar>a:last-child{font-size:13px;font-weight:800;text-decoration:none;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
main{margin:42px auto 68px;padding:38px 42px;background:white;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
h1{font-size:clamp(36px,6vw,48px);line-height:1.06;letter-spacing:-2px;margin:0 0 8px}
h2{font-size:22px;line-height:1.25;letter-spacing:-.5px;margin:34px 0 8px;padding-top:4px}
p{color:var(--ink-2);margin:10px 0}
small,.muted{color:var(--muted)}
footer{border-top:1px solid var(--line);padding:26px 0;color:var(--muted);background:#fff;font-size:13px}
form{margin-top:24px}
label{display:block;color:var(--ink-2);font-size:13px;font-weight:800}
input,textarea{width:100%;margin:6px 0 17px;padding:13px 14px;border:1px solid #cfd9e3;border-radius:11px;background:#fff;color:var(--ink);font:inherit;outline:none}
input:focus,textarea:focus{border-color:#72cba0;box-shadow:0 0 0 3px rgba(22,184,107,.12)}
textarea{min-height:150px;resize:vertical}
button{border:0;border-radius:11px;background:linear-gradient(135deg,#16b86b,var(--green));color:#fff;padding:13px 18px;font-weight:850;font:inherit;cursor:pointer;box-shadow:0 10px 24px rgba(22,184,107,.18)}
button:disabled{opacity:.65;cursor:not-allowed}
.notice{margin-top:16px;padding:13px 14px;border:1px solid #ccebdc;border-radius:11px;background:#ecfbf3;color:#126941;font-size:13px;font-weight:700}
.error{border-color:#f0cccc;background:#fff1f1;color:#a12626}
@media(max-width:680px){.wrap{padding:0 16px}.bar{min-height:66px}main{margin:22px auto 42px;padding:26px 21px;border-radius:17px}h2{margin-top:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}