/*
 * 賛助会員申込ページ専用 CSS
 * top.html のデザイントークンを抽出 + フォーム/確認/完了画面の専用スタイル
 */

:root{
  --ink:#0e1a2b;
  --ink-2:#334155;
  --mute:#64748b;
  --line:#e2e8f0;
  --paper:#ffffff;
  --cream:#f7f5ef;
  --bg:#f5f7fb;
  --blue:#0a57a8;
  --blue-2:#1673d0;
  --blue-ink:#063869;
  --sky:#e8f1fb;
  --warm:#d97a3a;
  --warm-2:#f2b45a;
  --leaf:#2f7d5b;
  --rose:#c25468;
  --radius:14px;
  --font: "Noto Sans JP", system-ui, sans-serif;
  --serif: "Noto Serif JP", serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --danger:#dc2626;
  --danger-bg:#fef2f2;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing:antialiased;
  font-feature-settings: "palt";
  line-height:1.7;
}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
button{font: inherit;cursor:pointer}

.site{
  background: var(--paper);
  overflow: hidden;
}

/* ====== Utility bar ====== */
.utility{
  display:flex; justify-content:flex-end; gap:20px;
  padding: 8px 28px;
  background: #f7f9fc;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: var(--mute);
}
.utility a{ color: var(--mute); }
.utility a:hover{ color: var(--blue); text-decoration: none; }

/* ====== Header ====== */
.header{
  display:flex; align-items:center;
  padding: 18px max(28px, calc((100% - 1224px) / 2));
  border-bottom: 1px solid var(--line);
  gap: 28px;
}
.logo{
  display:flex; align-items:center; gap:12px;
}
.logo img{
  width: 270px; height: auto; display: block;
}
.nav{
  display:flex; gap: 22px; margin-left:auto;
  font-size: 14px; font-weight: 500;
}
.nav a{
  padding: 8px 0; position: relative; color: var(--ink);
}
.nav a.has-sub::after{ content:"▾"; font-size: 9px; margin-left: 4px; color: var(--mute);}
.nav a:hover{ color: var(--blue); text-decoration: none; }
.nav a.active{ color: var(--blue); font-weight: 700; }
.nav a.active::after{
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--blue); border-radius: 2px;
}
.btn-login{
  display:inline-flex; align-items:center; gap: 8px;
  padding: 10px 16px;
  border: 1.5px solid var(--blue);
  color: var(--blue);
  background: #fff;
  border-radius: 6px;
  font-size: 13px; font-weight: 700;
  position: relative;
  transition: background 0.15s, color 0.15s, transform 0.15s;
  text-decoration: none;
}
.btn-login:hover{ background: var(--blue); color:#fff; transform: translateY(-1px); text-decoration: none;}
.btn-login .lock{
  display:inline-block; width: 13px; height: 14px; position: relative;
}
.btn-login .lock::before{
  content:""; position:absolute; left: 2px; top: 0;
  width: 9px; height: 6px; border: 1.5px solid currentColor; border-bottom: none;
  border-radius: 5px 5px 0 0;
}
.btn-login .lock::after{
  content:""; position:absolute; left: 0; top: 5px;
  width: 13px; height: 9px; background: currentColor;
  border-radius: 2px;
}

/* ====== Buttons ====== */
.btn{
  display:inline-flex; align-items:center; gap: 10px;
  padding: 14px 22px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15.4px;
  transition: transform 0.15s ease, background 0.15s ease;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
}
.btn:hover{ transform: translateY(-2px); text-decoration: none;}
.btn-primary{ background: var(--blue); color:#fff; box-shadow: 0 8px 20px -8px rgba(10,87,168,0.6);}
.btn-primary:hover{ background: var(--blue-2);}
.btn-outline{ background: #fff; color: var(--blue); border: 1.5px solid var(--blue);}
.btn-outline:hover{ background: var(--sky);}
.btn-ghost{ background: transparent; color: var(--blue-ink); border: 1.5px solid var(--blue-ink);}
.btn-ghost:hover{ background: var(--sky); border-color: var(--blue); color: var(--blue);}
.btn-leaf{ background: var(--leaf); color: #fff; box-shadow: 0 8px 20px -8px rgba(47,125,91,0.6);}
.btn-leaf:hover{ background: #3a9b6f;}
.btn .arrow{ font-size: 12px;}
.btn[disabled]{ opacity: 0.6; cursor: not-allowed; transform: none;}

/* ====== Footer ====== */
.site-footer{
  background: #0e1a2b;
  color:#cbd5e1;
  padding: 48px max(28px, calc((100% - 1224px) / 2)) 28px;
}
.site-footer .cols{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid #1e293b;
}
.site-footer h4{ color:#fff; font-size: 13px; margin: 0 0 14px; font-weight: 700;}
.site-footer ul{ list-style:none; padding:0; margin:0; font-size: 13px; line-height: 2;}
.site-footer a{ color:#cbd5e1; }
.site-footer a:hover{ color:#fff; text-decoration: none;}
.site-footer .small{
  padding-top: 20px;
  font-size: 12px; color: #64748b;
  display:flex; justify-content: space-between; flex-wrap:wrap; gap: 12px;
}

/* ====== ページ全体ラッパー ====== */
.page{
  max-width: 1024px;
  margin: 32px auto 64px;
  padding: 0 28px;
}

.page-hero{
  background: linear-gradient(180deg, #f3f7fc 0%, #e7eef7 100%);
  border: 1px solid #dbe4ee;
  border-radius: var(--radius);
  padding: 36px 40px;
  margin-bottom: 28px;
}
.page-hero .eyebrow{
  display: inline-block;
  font-size: 12.1px; letter-spacing: 0.18em;
  color: var(--blue-ink); font-weight: 700;
  background: #fff; padding: 5px 10px;
  border-radius: 3px;
  margin-bottom: 14px;
}
.page-hero h1{
  font-size: 30px; line-height: 1.4;
  color: var(--ink); font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}
.page-hero p{
  font-size: 14.5px; color: #475569; line-height: 1.85;
  margin: 0 0 8px;
}
.page-hero p:last-child{ margin-bottom: 0; }

/* ====== ステップインジケーター ====== */
.steps{
  display: flex; gap: 0;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.steps li{
  flex: 1;
  padding: 12px 16px;
  text-align: center;
  font-size: 13px;
  color: var(--mute);
  background: #fff;
  position: relative;
  font-weight: 600;
}
.steps li + li{ border-left: 1px solid var(--line); }
.steps li.current{
  background: var(--blue);
  color: #fff;
}
.steps li.done{
  background: var(--sky);
  color: var(--blue-ink);
}
.steps li .num{
  display: inline-block;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(0,0,0,0.08);
  color: inherit;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 22px;
  margin-right: 6px;
  font-weight: 700;
}
.steps li.current .num{ background: rgba(255,255,255,0.25); }

/* ====== セクション見出し ====== */
.sec{
  margin: 0 0 32px;
}
.sec h2{
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--ink);
  letter-spacing: 0.02em;
  border-left: 4px solid var(--blue);
  padding-left: 12px;
  line-height: 1.4;
}
.sec h2 small{
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--blue);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 4px;
  border-left: none;
  padding-left: 0;
}

/* ====== プランカード（top.html .sb-plan を踏襲） ====== */
.sb-plans{
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 14px; margin: 0 0 8px;
}
.sb-plan{
  background: #fff; border: 1px solid #dbe4ee;
  border-radius: 10px; padding: 18px 20px;
  display: flex; flex-direction: column;
}
.sb-plan.featured{
  background: linear-gradient(160deg, #f0faf5 0%, #dcf5ea 100%);
  border-color: #a8dcc0;
}
.sb-plan-tag{
  font-size: 12.1px; letter-spacing: 0.1em;
  color: var(--blue-ink); font-weight: 700;
  margin-bottom: 8px;
}
.sb-plan.featured .sb-plan-tag{ color: var(--blue-ink); font-size: 14.3px;}
.sb-price{
  display: flex; align-items: baseline; gap: 4px;
  margin-bottom: 10px; color: var(--ink);
}
.sb-price strong{ font-size: 26px; font-weight: 700; letter-spacing: 0.01em;}
.sb-price small{ font-size: 12px; color: #64748b;}
.sb-list{
  list-style: none; padding: 0; margin: 0;
  font-size: 12.5px; color: #475569; line-height: 1.7;
}
.sb-list li{ padding-left: 16px; position: relative; margin-bottom: 4px;}
.sb-list li::before{
  content: "✓"; position: absolute; left: 0;
  color: var(--blue); font-weight: 700;
}
.sb-plan.featured .sb-list li::before{ color: var(--leaf); }
.sb-note{
  font-size: 12px; color: #64748b; margin: 8px 0 0;
}

/* ====== 銀行口座情報ボックス ====== */
.bank-info{
  background: var(--sky);
  border: 1px solid #c2dafa;
  border-radius: 10px;
  padding: 20px 22px;
}
.bank-info h3{
  font-size: 15px;
  margin: 0 0 12px;
  color: var(--blue-ink);
  font-weight: 700;
}
.bank-info .accounts{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.bank-info .acct{
  background: #fff;
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.85;
}
.bank-info .acct strong{
  display: block;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 4px;
}
.bank-info .acct .num{
  font-family: var(--mono);
  font-weight: 700;
  color: var(--blue-ink);
}
.bank-info .acct dl{ margin: 0; display: grid; grid-template-columns: 5em 1fr; gap: 0 8px; }
.bank-info .acct dt{ color: var(--mute); font-size: 12px; }
.bank-info .acct dd{ margin: 0; color: var(--ink-2); font-size: 12.5px; }
.bank-info .note{
  font-size: 11.5px; color: var(--mute); margin: 12px 0 0;
}

/* ====== 流れ説明ボックス ====== */
.flow-steps{
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 8px;
}
.flow-steps .fs{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 12px;
  font-size: 12.5px;
  text-align: center;
  position: relative;
  line-height: 1.5;
}
.flow-steps .fs .fs-num{
  font-family: var(--mono);
  font-size: 11px;
  color: var(--blue);
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}
.flow-steps .fs strong{
  font-size: 13px;
  color: var(--ink);
  display: block;
}
.flow-steps .fs + .fs::before{
  content: "→";
  position: absolute;
  left: -10px; top: 50%;
  transform: translateY(-50%);
  color: var(--mute);
  font-size: 14px;
}

/* ====== フォーム ====== */
.form-card{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 36px;
  box-shadow: 0 2px 8px -4px rgba(0,0,0,0.06);
}
.form-row{
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 16px 24px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
  align-items: start;
}
.form-row:last-of-type{ border-bottom: none; }
.form-row > .label{
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  padding-top: 10px;
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}
.form-row.required > .label::after{
  content: "必須";
  display: inline-block;
  font-size: 10.5px;
  background: var(--warm);
  color: #fff;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.05em;
  font-weight: 700;
}
.form-row.optional > .label::after{
  content: "任意";
  display: inline-block;
  font-size: 10.5px;
  background: #94a3b8;
  color: #fff;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.05em;
  font-weight: 700;
}
.form-row .control input[type="text"],
.form-row .control input[type="email"],
.form-row .control input[type="tel"],
.form-row .control input[type="url"],
.form-row .control input[type="date"],
.form-row .control textarea{
  width: 100%;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-row .control input[type="date"]{ max-width: 200px; }
.form-row .control textarea{
  min-height: 100px;
  resize: vertical;
}
.form-row .control input:focus,
.form-row .control textarea:focus{
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(10,87,168,0.15);
}
.form-row .control input.is-error,
.form-row .control textarea.is-error{
  border-color: var(--danger);
  background: #fff5f5;
}
.form-row .hint{
  font-size: 12px;
  color: var(--mute);
  margin: 4px 0 0;
  line-height: 1.6;
}
.form-row .err{
  color: var(--danger);
  font-size: 12.5px;
  margin: 6px 0 0;
  font-weight: 600;
}

/* ラジオ・チェックボックス */
.opt-list{
  display: flex; flex-direction: column;
  gap: 6px;
  margin: 0; padding: 0; list-style: none;
}
.opt-list label{
  display: inline-flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.5;
  transition: border-color 0.15s, background 0.15s;
}
.opt-list label:hover{ border-color: var(--blue); background: var(--sky); }
.opt-list label input{
  margin: 4px 0 0; flex-shrink: 0;
}
.opt-list label input:checked + span{ font-weight: 700; color: var(--blue-ink);}
.opt-list label:has(input:checked){
  border-color: var(--blue);
  background: var(--sky);
}
.opt-list.row{ flex-direction: row; flex-wrap: wrap; }

/* エラーまとめ */
.errors-summary{
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  border-left: 4px solid var(--danger);
  border-radius: 6px;
  padding: 14px 18px;
  margin: 0 0 24px;
  color: #7f1d1d;
}
.errors-summary h2{
  font-size: 14px;
  margin: 0 0 6px;
  font-weight: 700;
  color: var(--danger);
  border: none; padding: 0;
}
.errors-summary ul{
  margin: 0; padding-left: 20px;
  font-size: 13px;
  line-height: 1.8;
}

/* honeypot は画面外に */
.hp-field{
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important; height: 1px !important;
  overflow: hidden !important;
}

/* フォームのサブミット行 */
.form-actions{
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* ====== 確認画面の表組み ====== */
.confirm-table{
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin: 0 0 24px;
}
.confirm-table th,
.confirm-table td{
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}
.confirm-table tr:last-child th,
.confirm-table tr:last-child td{ border-bottom: none; }
.confirm-table th{
  background: #f7f9fc;
  width: 30%;
  font-weight: 700;
  color: var(--ink);
}
.confirm-table td{ color: var(--ink-2); white-space: pre-wrap; word-break: break-word; }
.confirm-table .empty{ color: var(--mute); font-style: italic; }

/* ====== 完了画面 ====== */
.thanks{
  text-align: center;
  padding: 24px 0 8px;
}
.thanks .check{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: #dcf5ea;
  color: var(--leaf);
  font-size: 30px;
  margin: 0 0 16px;
  font-weight: 900;
}
.thanks h1{
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 12px;
}
.thanks p{
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.85;
  margin: 0 auto 12px;
  max-width: 580px;
}

/* ====== レスポンシブ ====== */
@media (max-width: 900px){
  .header{ flex-wrap: wrap; gap: 12px; padding: 14px 18px;}
  .nav{ display: none;}
  .utility{ padding: 8px 18px;}
  .page{ padding: 0 16px; margin: 16px auto 48px;}
  .page-hero{ padding: 24px 22px; }
  .page-hero h1{ font-size: 22px; }
  .form-card{ padding: 22px 18px;}
  .form-row{ grid-template-columns: 1fr; gap: 6px; padding: 14px 0;}
  .form-row > .label{ padding-top: 0; }
  .sb-plans{ grid-template-columns: 1fr; }
  .bank-info .accounts{ grid-template-columns: 1fr; }
  .flow-steps{ grid-template-columns: 1fr 1fr; }
  .flow-steps .fs::before{ display: none; }
  .confirm-table th{ width: 38%; padding: 10px 12px; font-size: 12.5px;}
  .confirm-table td{ padding: 10px 12px; font-size: 13px;}
  .form-actions{ flex-direction: column-reverse; align-items: stretch;}
  .form-actions .btn{ justify-content: center;}
  .site-footer .cols{ grid-template-columns: 1fr 1fr; gap: 24px;}
  .steps li{ font-size: 11px; padding: 10px 4px;}
  .steps li .num{ display: none; }
}