/* ===== ISMA セミナー申込フロント ===== */
html{font-size:112.5%;} /* 16px×1.125=18px。1rem=18px。これが全体の拡大縮小ノブ（ここ1か所を変える） */
:root{
  --brand:#001e62; /* ISMA ブランド背景色（各画面トップバー・見出し等）。色の微調整はここ1か所 */
  --navy:#001e62;--navy2:#173a86;--blue:#2f78b8;--teal:#0f9d8f;
  --green:#2f7d52;--warn:#b5482e;--gold:#9a6a09;
  --ink:#1d2733;--muted:#5d6b7a;--line:#dde4ea;--line2:#eef2f5;
  --bg:#eaeff3;--paper:#fff;--chip:#eef4f9;
}
*{box-sizing:border-box;}
body{margin:0;background:radial-gradient(120% 90% at 50% -20%, #f4f8fb 0%, var(--bg) 60%) fixed;
  color:var(--ink);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  font-size:0.9375rem;line-height:1.8;-webkit-font-smoothing:antialiased;}
a{color:var(--blue);}
.banner{background:var(--brand);color:#fff;}
.banner .inner{max-width:680px;margin:0 auto;padding:1rem 1.375rem;display:flex;align-items:center;gap:0.875rem;}
.logo{width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.8125rem;}
.banner b{font-size:0.90625rem;font-weight:700;}
.banner small{display:block;font-size:0.6875rem;color:#bcd6e8;font-weight:400;}
.wrap{max-width:680px;margin:1.5rem auto 4.375rem;padding:0 1.125rem;}
.steps{display:flex;align-items:center;gap:0.375rem;justify-content:center;margin:0 0 1.375rem;font-size:0.71875rem;flex-wrap:wrap;}
.steps .s{display:flex;align-items:center;gap:0.4375rem;color:var(--muted);}
.steps .s .dot{width:22px;height:22px;border-radius:50%;border:1.6px solid var(--line);display:flex;
  align-items:center;justify-content:center;font-size:0.6875rem;font-weight:700;background:#fff;font-family:ui-monospace,monospace;}
.steps .s.on{color:var(--navy);font-weight:700;}
.steps .s.on .dot{border-color:var(--blue);background:var(--blue);color:#fff;}
.steps .s.done .dot{border-color:var(--teal);background:var(--teal);color:#fff;}
.steps .bar{width:22px;height:2px;background:var(--line);}
.card{background:var(--paper);border:1px solid var(--line);border-radius:16px;
  box-shadow:0 24px 50px -38px rgba(20,58,90,.5);padding:1.625rem 1.625rem 1.75rem;}
h1.t{font-size:1.3125rem;margin:0 0 0.125rem;color:var(--navy);}
.subt{color:var(--muted);font-size:0.8125rem;margin:0 0 1.25rem;}
.field{margin:1rem 0;}
.field>label{display:block;font-size:0.8125rem;font-weight:700;color:var(--navy);margin:0 0 0.375rem;}
.req{color:var(--warn);font-size:0.6875rem;margin-left:0.3125rem;}
.optl{color:var(--muted);font-size:0.6875rem;margin-left:0.3125rem;font-weight:400;}
.hint{font-size:0.71875rem;color:var(--muted);margin:0.1875rem 0 0;}
input[type=text],input[type=email],input[type=tel],select,textarea{
  width:100%;border:1.5px solid var(--line);border-radius:10px;padding:0.6875rem 0.8125rem;font-size:0.9375rem;
  font-family:inherit;color:var(--ink);background:#fcfdfe;}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,120,184,.15);}
.row{display:flex;gap:0.75rem;}.row>*{flex:1;}
.emaillabel{background:var(--chip);border:1.5px solid var(--line);border-radius:10px;padding:0.6875rem 0.8125rem;
  font-family:ui-monospace,monospace;font-size:0.875rem;color:var(--navy);display:flex;align-items:center;justify-content:space-between;}
.emaillabel .lock{font-size:0.6875rem;color:var(--muted);font-family:"Noto Sans JP",sans-serif;}
.radio-group{display:flex;gap:0.5625rem;flex-wrap:wrap;}
.radio-group label{flex:1;min-width:130px;border:1.5px solid var(--line);border-radius:12px;padding:0.6875rem 0.8125rem;
  cursor:pointer;font-size:0.84375rem;display:flex;flex-direction:column;gap:0.125rem;background:#fcfdfe;position:relative;}
.radio-group label .price{font-size:0.71875rem;font-weight:700;}
.radio-group input{position:absolute;opacity:0;}
.radio-group label:has(input:checked){border-color:var(--blue);background:#eef6fc;box-shadow:0 0 0 3px rgba(47,120,184,.13);}
.radio-group label.free:has(input:checked){border-color:var(--green);background:#eef7f1;box-shadow:0 0 0 3px rgba(47,125,82,.13);}
.radio-group label.disabled{opacity:.45;cursor:not-allowed;}
.tag-free{color:var(--green);}.tag-paid{color:var(--warn);}
.seat{font-size:0.6875rem;color:var(--muted);}.seat b{color:var(--blue);}
.dynamic{border:1px dashed var(--gold);background:#fdfaf1;border-radius:12px;padding:0.875rem 1rem;margin:0.875rem 0;}
.dynamic h4{margin:0 0 0.25rem;font-size:0.78125rem;color:var(--gold);}
.consent{display:flex;gap:0.625rem;align-items:flex-start;background:var(--line2);border-radius:12px;padding:0.8125rem 0.9375rem;margin:1.125rem 0 0.375rem;font-size:0.8125rem;}
.consent input{margin-top:0.1875rem;width:18px;height:18px;accent-color:var(--blue);}
.btn{display:block;width:100%;text-align:center;border:none;border-radius:12px;padding:0.9375rem;font-size:0.9375rem;
  font-weight:700;font-family:inherit;cursor:pointer;text-decoration:none;}
.btn.pri{background:var(--blue);color:#fff;}
.btn.ghost{background:#fff;border:1.5px solid var(--line);color:var(--navy);}
.btn.danger{background:var(--warn);border:none;color:#fff;}
.btn.danger:hover{background:#9b3c25;}
.btn.ok{background:var(--teal);border:none;color:#fff;}
.btn.ok:hover{background:#0c8276;}
.btn:disabled,.btn[disabled]{background:#e6eaef!important;color:#9aa7b4!important;border:1.5px solid #e6eaef!important;cursor:not-allowed!important;opacity:.75;box-shadow:none;}
.btn-row{display:flex;gap:0.75rem;margin-top:1.25rem;}.btn-row>*{flex:1;}
.err{color:var(--warn);font-size:0.75rem;margin-top:0.3125rem;}
.alert{background:#fdeee9;border:1px solid #e7c3b7;border-left:4px solid var(--warn);border-radius:10px;
  padding:0.75rem 0.9375rem;font-size:0.8125rem;color:#7a2e1c;margin:0.875rem 0;}
.okmsg{background:#eafaf6;border:1px solid #bfe6df;border-left:4px solid var(--teal);border-radius:10px;
  padding:0.75rem 0.9375rem;font-size:0.8125rem;color:#0c6b61;margin:0.875rem 0;}
.note{background:#fdf6ec;border:1px solid #ecdcb8;border-left:4px solid var(--gold);border-radius:10px;
  padding:0.8125rem 0.9375rem;font-size:0.78125rem;color:#6b5114;margin:0.875rem 0;}
.note b{color:var(--gold);}
.codebox{display:flex;gap:0.625rem;align-items:center;justify-content:center;margin:0.5rem 0;}
.codebox input{font-size:1.625rem;letter-spacing:.4em;text-align:center;font-family:ui-monospace,monospace;
  width:200px;padding:0.75rem;}
table.summary{width:100%;border-collapse:collapse;margin:0.375rem 0;font-size:0.875rem;}
table.summary th,table.summary td{border-bottom:1px solid var(--line);padding:0.6875rem 0.375rem;text-align:left;vertical-align:top;}
table.summary th{color:var(--muted);font-weight:700;font-size:0.78125rem;width:38%;white-space:nowrap;}
.done-icon{width:64px;height:64px;border-radius:50%;background:var(--teal);color:#fff;font-size:2rem;
  display:flex;align-items:center;justify-content:center;margin:0.375rem auto 0.75rem;}
.recv{font-family:ui-monospace,monospace;font-size:1.875rem;font-weight:700;color:var(--navy);
  text-align:center;letter-spacing:.1em;background:var(--chip);border-radius:12px;padding:0.875rem;margin:0.375rem 0;}
.center{text-align:center;}
.flow-list{list-style:none;padding:0;margin:0.625rem 0;}
.flow-list li{padding:0.5625rem 0 0.5625rem 1.875rem;position:relative;border-bottom:1px dashed var(--line);font-size:0.84375rem;}
.flow-list li:last-child{border-bottom:none;}
.flow-list li::before{content:"";position:absolute;left:6px;top:15px;width:9px;height:9px;border-radius:50%;background:var(--teal);}
.foot{text-align:center;color:var(--muted);font-size:0.6875rem;margin-top:1.375rem;}
@media(max-width:520px){.row{flex-direction:column;}.radio-group label{min-width:0;}}