/* ============================================================
     index-v3.html と同じトークン・部品（RESET / TOKENS / BUTTONS / HEADER / FOOTER）。
     LP本体と見た目を揃えるため値はv3から複製している。v3側を変えたらここも追従すること
  ============================================================ */
  *, *::before, *::after { box-sizing: border-box; }
  body, h1, h2, h3, p, ul, ol, li, figure, dl, dd { margin: 0; padding: 0; }
  ul, ol { list-style: none; }
  img { display: block; max-width: 100%; height: auto; }
  a { color: inherit; text-decoration: none; }
  button, input, select, textarea { font: inherit; color: inherit; }

  :root {
    --night: #031024;
    --paper: #f2f0ea;
    --paper-dim: #9aa3b2;
    --glow: #4fa8e6;
    --amber: #f5c14f;
    --ink: #101319;
    --ink-sub: #4b5563;
    --navy: #041f42;
    --blue: #3e91d6;
    --blue-deep: #2e78b8;
    --bg: #ffffff;
    --bg-alt: #eaf4fc;
    --error: #c2410c;
    --font: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
    --sp-1: 0.5rem; --sp-2: 1rem; --sp-3: 1.5rem; --sp-4: 2rem; --sp-6: 3rem; --sp-8: 4rem; --sp-12: 6rem;
    --fs-h1: clamp(1.9rem, 1rem + 2.2vw, 2.9rem);
    --fs-lead: clamp(1.05rem, 1.6vw, 1.2rem);
  }

  html, body { background: var(--bg); }
  body {
    font-family: var(--font); color: var(--ink); line-height: 1.8;
    font-feature-settings: "palt"; -webkit-font-smoothing: antialiased; text-wrap: pretty;
  }
  .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

  .btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: var(--sp-1); min-height: 3rem; padding: 0.9rem 1.75rem;
    border: 0; border-radius: 999px; font-weight: 700; font-size: 1rem; cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    white-space: nowrap;
  }
  .btn-primary { background: var(--blue-deep); color: #fff; box-shadow: 0 8px 24px -8px color-mix(in srgb, var(--blue-deep) 70%, transparent); }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -8px color-mix(in srgb, var(--blue-deep) 80%, transparent); }
  .btn-primary:focus-visible { outline: 3px solid var(--blue-deep); outline-offset: 2px; }
  .btn-primary[disabled] { opacity: .6; transform: none; cursor: progress; }

  .site-header {
    position: sticky; inset-block-start: 0; z-index: 100;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(14px) saturate(140%);
    border-bottom: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  }
  .header-inner {
    max-width: 78rem; margin-inline: auto; padding: 0.75rem var(--sp-4);
    display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3);
  }
  .header-logo { display: flex; align-items: center; gap: 0.6rem; }
  .header-logo-chip {
    display: flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 9px; background: #e7f4fd; overflow: hidden;
  }
  .header-logo-chip img { height: 26px; width: auto; }
  .header-logo-name { font-weight: 800; font-size: 1.05rem; letter-spacing: 0.04em; color: var(--navy); }
  @media (min-width: 640px) {
    .header-logo-chip { width: 40px; height: 40px; }
    .header-logo-chip img { height: 30px; }
  }
  .header-actions { display: flex; align-items: center; gap: var(--sp-3); }
  .header-tel { font-weight: 700; font-feature-settings: "tnum"; color: var(--ink); }
  .header-back { font-size: 0.875rem; font-weight: 700; color: color-mix(in srgb, var(--blue-deep) 85%, var(--navy) 15%); }
  .header-back:hover { text-decoration: underline; }
  @media (max-width: 480px) { .header-tel { display: none; } }

  /* ============================================================
     本文: 左に「何が届くか」、右にフォーム（デスクトップ2カラム）
  ============================================================ */
  .request { background: var(--bg-alt); padding-block: var(--sp-8) var(--sp-12); }
  .request-inner {
    max-width: 72rem; margin-inline: auto; padding-inline: var(--sp-4);
    display: grid; grid-template-columns: 1fr; gap: var(--sp-6);
  }
  .request-intro { order: 1; }
  .form-card { order: 2; }
  .request-detail { order: 3; }
  @media (min-width: 900px) {
    .request-inner {
      grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); grid-template-rows: auto 1fr;
      column-gap: var(--sp-8); row-gap: var(--sp-4); align-items: start;
    }
    .request-intro { grid-column: 1; grid-row: 1; }
    .request-detail { grid-column: 1; grid-row: 2; }
    .form-card { grid-column: 2; grid-row: 1 / span 2; }
  }

  /* LPの中間CTAと同じ「ドット＋レタースペーシング小ラベル」のエディトリアル調 */
  .eyebrow {
    display: flex; align-items: center; gap: 0.55rem;
    font-size: 0.72rem; font-weight: 800; letter-spacing: 0.22em;
    color: color-mix(in srgb, var(--blue-deep) 85%, var(--navy) 15%);
  }
  .eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); flex: none; }
  .request-intro { display: flex; flex-direction: column; gap: var(--sp-3); }
  .request-intro h1 { font-size: var(--fs-h1); line-height: 1.35; color: var(--navy); word-break: keep-all; }
  /* 資料モックアップ（1枚の透過画像） */
  .doc-stack { margin: 0.5rem 0 0; width: min(100%, 22rem); }
  .doc-stack img { display: block; width: 100%; height: auto; }
  @media (min-width: 900px) { .doc-stack { width: min(100%, 26rem); } }
  .request-intro .lead { font-size: var(--fs-lead); color: var(--ink-sub); }

  /* 資料の内容: 通し罫＋項目ごとのヘアライン。枠は作らない */
  .request-detail { display: flex; flex-direction: column; gap: var(--sp-3); border-top: 1px solid color-mix(in srgb, var(--navy) 18%, transparent); padding-top: var(--sp-3); }
  .intro-note { font-size: 0.875rem; color: var(--ink-sub); }
  .intro-note a { font-feature-settings: "tnum"; text-decoration: underline; text-underline-offset: 3px; }

  /* ---- フォーム ---- */
  .form-card {
    background: var(--bg); border-radius: 18px; padding: clamp(1.5rem, 3.5vw, 2.75rem);
    box-shadow: 0 24px 60px -32px color-mix(in srgb, var(--navy) 45%, transparent);
    border: 1px solid color-mix(in srgb, var(--navy) 8%, transparent);
  }
  .form-head { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: var(--sp-4); }
  .form-head h2 { font-size: 1.2rem; color: var(--navy); }
  .form-head p { font-size: 0.875rem; color: var(--ink-sub); }
  .form-grid { display: grid; grid-template-columns: 1fr; gap: var(--sp-3); }
  @media (min-width: 640px) {
    .form-grid { grid-template-columns: 1fr 1fr; column-gap: var(--sp-3); }
    .field--full { grid-column: 1 / -1; }
  }
  .field { display: flex; flex-direction: column; gap: 0.4rem; }
  .field-label { display: flex; align-items: baseline; gap: 0.6rem; font-weight: 700; font-size: 0.95rem; color: var(--ink); }
  .req { font-size: 0.68rem; font-weight: 800; letter-spacing: 0.18em; color: var(--blue-deep); }
  .control {
    width: 100%; min-height: 3rem; padding: 0.7rem 0.95rem;
    border: 1px solid color-mix(in srgb, var(--navy) 22%, transparent); border-radius: 10px;
    background: #fff; transition: border-color 0.2s ease, box-shadow 0.2s ease;
    appearance: none; -webkit-appearance: none;
  }
  .control::placeholder { color: color-mix(in srgb, var(--ink-sub) 55%, transparent); }
  .control:focus-visible { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 25%, transparent); }
  .select-wrap { position: relative; }
  .select-wrap::after {
    content: ""; position: absolute; right: 1rem; top: 50%; width: 0.55rem; height: 0.55rem;
    border-right: 2px solid var(--ink-sub); border-bottom: 2px solid var(--ink-sub);
    transform: translateY(-70%) rotate(45deg); pointer-events: none;
  }
  .select-wrap .control { padding-right: 2.6rem; cursor: pointer; }
  .control:invalid { color: var(--ink-sub); } /* 未選択のセレクトをプレースホルダー色に */
  .control option { color: var(--ink); }
  .field.is-error .control { border-color: var(--error); box-shadow: 0 0 0 3px color-mix(in srgb, var(--error) 18%, transparent); }
  .field-error { display: none; font-size: 0.8rem; font-weight: 700; color: var(--error); }
  .field.is-error .field-error { display: block; }

  .consent { margin-top: var(--sp-2); display: flex; flex-direction: column; gap: 0.4rem; }
  .consent-label { display: flex; align-items: flex-start; gap: 0.7rem; cursor: pointer; font-size: 0.95rem; }
  .consent-label input {
    flex: none; width: 1.25rem; height: 1.25rem; margin-top: 0.3rem; accent-color: var(--blue-deep);
  }
  .consent-label a { text-decoration: underline; text-underline-offset: 3px; color: var(--blue-deep); font-weight: 700; }
  .consent.is-error .field-error { display: block; }
  .form-actions { margin-top: var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-2); align-items: flex-start; }
  .form-actions .btn { width: 100%; }
  @media (min-width: 640px) { .form-actions .btn { width: auto; min-width: 18rem; } }
  .form-foot { font-size: 0.8rem; color: var(--ink-sub); }
  .form-status { font-size: 0.9rem; font-weight: 700; color: var(--error); }
  .form-status:empty { display: none; }

  /* 送信完了 */
  .thanks { display: none; flex-direction: column; gap: var(--sp-2); scroll-margin-top: 6rem; }
  .form-card.is-done form { display: none; }
  .form-card.is-done .thanks { display: flex; }
  .thanks h2 { font-size: 1.35rem; color: var(--navy); }
  .thanks p { color: var(--ink-sub); }
  .thanks .btn { align-self: flex-start; margin-top: var(--sp-2); }
  .thanks-back { margin-top: var(--sp-1); font-size: 0.875rem; font-weight: 700; color: var(--blue-deep); }
  .thanks-back:hover { text-decoration: underline; }

  /* ============================================================
     個人情報の取り扱い（同意チェックのリンク先）
  ============================================================ */
  .privacy { padding-block: var(--sp-8); scroll-margin-top: 5rem; }
  .privacy-inner { max-width: 44rem; margin-inline: auto; padding-inline: var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-3); }
  .privacy h2 { font-size: 1.35rem; color: var(--navy); }
  .privacy p, .privacy li { color: var(--ink-sub); font-size: 0.95rem; }
  .privacy ol { list-style: decimal; padding-left: 1.4rem; display: flex; flex-direction: column; gap: 0.5rem; }
  .privacy address { font-style: normal; }

  /* ============================================================
     FOOTER（v3と同一）
  ============================================================ */
  .site-footer { background: var(--night); color: var(--paper-dim); padding: var(--sp-8) var(--sp-4); font-size: 0.9rem; }
  .footer-inner { max-width: 72rem; margin-inline: auto; display: flex; flex-direction: column; gap: var(--sp-2); }
  .footer-company { color: var(--paper); font-weight: 700; font-size: 1.05rem; }
  .footer-tel a { font-feature-settings: "tnum"; text-decoration: underline; text-underline-offset: 3px; }
  .footer-links { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-2); }
  .footer-links a { text-decoration: underline; text-underline-offset: 3px; }
  .footer-copyright { margin-top: var(--sp-2); color: var(--paper-dim); font-size: 0.8rem; }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition-duration: 0.01ms !important; }
  }
  .hp-field { position: absolute; width: 1px; height: 1px; overflow: hidden; left: -10000px; }