@charset "utf-8";

/* ================================
   Aurora Mailform Skin v1 (FULL)
   これをCSS欄に“全面置換”
================================== */

:root{
  --bg: #0b1020;
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --muted2: rgba(255,255,255,.55);
  --border: rgba(255,255,255,.14);
  --surface: rgba(255,255,255,.06);
  --surface2: rgba(255,255,255,.04);
  --grad: linear-gradient(135deg,#22D3EE,#4F46E5,#A855F7);
  --radius: 18px;
  --radius-lg: 26px;
  --shadow: 0 18px 46px rgba(0,0,0,.32);
}

/* reset (minimal) */
*{ box-sizing:border-box; }
html, body{ height:100%; }
body{
  margin:0;
  padding:0;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 10% 10%, rgba(34,211,238,.16), transparent 60%),
    radial-gradient(900px 500px at 90% 20%, rgba(168,85,247,.14), transparent 60%),
    radial-gradient(1000px 700px at 40% 90%, rgba(79,70,229,.14), transparent 60%),
    var(--bg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
  line-height:1.7;
  overflow-x:hidden; /* 横のはみ出し由来の帯を根絶 */
}

/* scrollbar (右側の“帯”がスクロールバー由来の見え方になるのを抑える) */
*{
  scrollbar-color: rgba(255,255,255,.18) rgba(255,255,255,.05);
  scrollbar-width: thin;
}
::-webkit-scrollbar{ width: 12px; height: 12px; }
::-webkit-scrollbar-track{ background: rgba(255,255,255,.05); }
::-webkit-scrollbar-thumb{
  background: rgba(255,255,255,.18);
  border-radius: 999px;
  border: 3px solid rgba(255,255,255,.05);
}

a{ color: rgba(34,211,238,.92); }
a:hover{ opacity:.9; }

/* wrapper/card */
#wrapper{
  width: min(920px, 92vw);
  margin: 22px auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
#main{ padding: 22px; }

.section{ margin: 0; }
.section__ttl{
  display:inline-block;
  background: var(--grad);
  color:#06101a;
  border-radius:999px;
  padding: 10px 16px;
  margin: 0 0 16px;
  font-weight: 800;
  letter-spacing:.02em;
}
.section__body{ padding: 0; }

#txt_explain{ color: var(--muted); margin-bottom: 12px; }
.red_txt{ color: #ff6b8b; }

/* table layout */
.table{
  width:100%;
  border: 1px solid var(--border);
  background: var(--surface2);
  border-radius: var(--radius);
  overflow:hidden;
  border-collapse: separate;
  border-spacing: 0;
  margin-bottom: 14px;
}
.table th,
.table td{
  padding: 14px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  vertical-align: top;
}
.table tr:last-child th,
.table tr:last-child td{ border-bottom: 0; }
.table th:last-child,
.table td:last-child{ border-right: 0; }

.table th{
  width: 32%;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.82);
  font-weight: 700;
}
.table td{
  background: rgba(255,255,255,.03);
  color: rgba(255,255,255,.90);
  min-width: 0;
}

/* inputs */
input[type=text],
input[type=password],
textarea,
select{
  width: 100% !important;
  max-width: 100% !important;
  background: rgba(11,16,32,.35) !important;
  border: 1px solid rgba(255,255,255,.18) !important;
  color: var(--text) !important;
  border-radius: 14px !important;
  padding: 12px 12px !important;
  box-shadow: none !important;
  outline: none !important;
}
textarea{ min-height: 160px; resize: vertical; }
select{ padding: 10px 12px !important; }

input[type=text]:focus,
input[type=password]:focus,
textarea:focus,
select:focus{
  border-color: rgba(34,211,238,.55) !important;
  box-shadow: 0 0 0 3px rgba(34,211,238,.18) !important;
}

/* buttons */
.button_box{ text-align:center; padding: 14px 0 0; }
input[type=submit]{
  background: var(--grad) !important;
  border: none !important;
  color: #06101a !important;
  border-radius: 999px !important;
  padding: 12px 18px !important;
  font-weight: 800 !important;
  letter-spacing: .02em;
  box-shadow: 0 10px 28px rgba(79,70,229,.28) !important;
  margin: 0 6px;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
}
input[type=submit]:hover{
  transform: translateY(-1px);
  box-shadow: 0 16px 44px rgba(34,211,238,.18), 0 16px 44px rgba(168,85,247,.14) !important;
}

/* mobile: table stack */
@media (max-width: 640px){
  #main{ padding: 16px; }
  .table, .table tbody, .table tr, .table th, .table td{ display:block; width:100%; }
  .table th{ border-right:0; }
  .table td{ border-right:0; }
}