ログイン | ヘイセイテック株式会社


<style>
  :root{
    --brand:#E41527;
    --ink:#0f172a;
    --muted:#6b7280;
    --card-bg:rgba(255,255,255,.85);
    --glass:rgba(255,255,255,.45);
  }
  html,body{height:100%}
  body{
    margin:0;
    font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial;
    color:var(--ink);
    background:#f6f7fb;
    overflow:hidden;
  }

  /* ===== 背景アニメ（軽量） ===== */
  .bg{
    position:fixed; inset:0; overflow:hidden; pointer-events:none;
    background:
      radial-gradient(80vmax 80vmax at -10% -10%, rgba(228,21,39,.12), transparent 60%),
      radial-gradient(60vmax 60vmax at 110% 110%, rgba(228,21,39,.08), transparent 60%),
      linear-gradient(180deg, #fff, #f6f7fb 40%, #f3f4f8);
  }
  .orb{position:absolute; width:36vmin; height:36vmin; border-radius:50%;
    filter:blur(18px); opacity:.45; mix-blend-mode:multiply; animation:float 16s ease-in-out infinite}
  .orb.o1{background:rgba(228,21,39,.25); left:8%; top:12%}
  .orb.o2{background:rgba(255,120,136,.25); right:12%; bottom:10%; animation-delay:-6s}
  .orb.o3{background:rgba(0,0,0,.12); left:45%; top:60%; animation-delay:-10s}
  @keyframes float{
    0%,100%{transform:translateY(0) translateX(0) scale(1)}
    50%{transform:translateY(-14px) translateX(8px) scale(1.02)}
  }

  /* ===== レイアウト ===== */
  main{
    position:relative; z-index:1;
    min-height:100dvh; display:grid; place-items:center; padding:24px;
  }
  .stack{width:min(960px,94vw);}
  .brand{
    display:flex; justify-content:center; margin-bottom:18px; user-select:none;
    animation:fadeIn .6s ease .1s both;
  }
  .brand img{height:56px; width:auto; filter:drop-shadow(0 2px 6px rgba(0,0,0,.08))}
  @keyframes fadeIn{from{opacity:0; transform:translateY(8px)} to{opacity:1; transform:none}}

  /* ===== カード ===== */
  .card{
    margin-inline:auto; width:min(480px,92vw);
    background:var(--card-bg);
    backdrop-filter:blur(10px);
    border:1px solid rgba(0,0,0,.06);
    box-shadow:0 24px 60px rgba(15,23,42,.10);
    border-radius:18px; padding:26px 24px 22px;
    position:relative; overflow:hidden;
    animation:pop .45s cubic-bezier(.2,.7,.2,1) both;
  }
  .card::before{
    content:""; position:absolute; inset:-1px; border-radius:20px; pointer-events:none;
    background:conic-gradient(from 0deg, rgba(228,21,39,.25), rgba(255,140,150,.2), rgba(0,0,0,.06), rgba(228,21,39,.25));
    filter:blur(18px); opacity:.25; animation:spin 12s linear infinite;
  }
  @keyframes pop{from{opacity:0; transform:translateY(8px) scale(.98)} to{opacity:1; transform:none}}
  @keyframes spin{to{transform:rotate(360deg)}}

  .title{margin:0 0 14px; font-size:22px; font-weight:800; letter-spacing:.02em}
  .sub{margin:0 0 18px; font-size:13px; color:var(--muted)}

  /* ===== フォーム ===== */
  form{display:grid; gap:14px}
  .field{display:grid; gap:8px}
  .label{font-size:12px; color:#4b5563}
  .input{
    width:100%; border-radius:12px; padding:12px 14px 12px 44px;
    border:1px solid #e5e7eb; background:#fff; color:var(--ink);
    outline:0; transition:border .2s, box-shadow .2s, transform .06s;
    box-shadow:0 1px 0 rgba(15,23,42,.02);
    background-image:var(--icon);
    background-repeat:no-repeat; background-position:12px 50%; background-size:18px 18px;
  }
  .input:focus{border-color:var(--brand); box-shadow:0 0 0 4px rgba(228,21,39,.12)}
  .input:active{transform:translateY(.5px)}
  .icon-mail{--icon:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width=\"18\" height=\"18\" fill=\"%236b7280\" viewBox=\"0 0 24 24\"><path d=\"M4 4h16a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2zm0 2v.01L12 12l8-5.99V6L12 14 4 6z\"/></svg>')}
  .icon-pass{--icon:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width=\"18\" height=\"18\" fill=\"%236b7280\" viewBox=\"0 0 24 24\"><path d=\"M12 1a5 5 0 0 1 5 5v3h1a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2v-8a2 2 0 0 1 2-2h1V6a5 5 0 0 1 5-5zm0 2a3 3 0 0 0-3 3v3h6V6a3 3 0 0 0-3-3z\"/></svg>')}

  .error{
    margin:2px 0 4px; padding:10px 12px; font-size:12px;
    color:#7f1d1d; background:#fee2e2; border:1px solid #fecaca; border-radius:10px;
    animation:fadeIn .3s ease both;
  }

  /* ===== ボタン ===== */
  .btn{
    appearance:none; border:0; width:100%;
    background: linear-gradient(180deg, var(--brand), #c50f1f);
    color:#fff; font-weight:800; letter-spacing:.02em;
    border-radius:12px; padding:12px 14px; cursor:pointer;
    box-shadow:0 10px 24px rgba(228,21,39,.28), inset 0 1px 0 rgba(255,255,255,.2);
    transition:transform .08s ease, box-shadow .2s ease, filter .2s ease;
  }
  .btn:hover{filter:saturate(1.05)}
  .btn:active{transform:translateY(1px); box-shadow:0 8px 18px rgba(228,21,39,.22)}

  /* 補助リンク */
  .helper{display:flex; justify-content:space-between; align-items:center; margin-top:4px}
  .link{font-size:12px; color:var(--muted); text-decoration:none}
  .link:hover{color:var(--brand)}

  /* 小さめ画面調整 */
  @media (max-width:480px){
    .brand img{height:48px}
    .card{padding:22px 18px}
  }
</style>



<div class="bg">
  <span class="orb o1"></span>
  <span class="orb o2"></span>
  <span class="orb o3"></span>
</div>

<main>
  <div class="stack">
    <div class="brand">
      <img src="/static/project/images/ヘイセイテック株式会社.png" alt="HeiseiTech">
    </div>

    <div class="card">
      <h1 class="title">ログイン</h1>
      <p class="sub">社内システムへサインインしてください。</p>

      

      <form method="post" name="login" id="login_form" novalidate>
        <input type="hidden" name="csrfmiddlewaretoken" value="JDlhcAWjnnrN7rqpPEToqFBzRSdI39d20rfD2QiLv5moAgPAhGKWXlRW2HNwg8Fa">

        <div class="field">
          <label class="label" for="id_username">メールアドレス</label>
          <input
            type="text"
            name="username"
            id="id_username"
            maxlength="150"
            autocapitalize="none"
            autocomplete="username"
            class="input icon-mail"
            placeholder="you@example.com"
            required
            autofocus>
        </div>

        <div class="field">
          <label class="label" for="id_password">パスワード</label>
          <input
            type="password"
            name="password"
            id="id_password"
            autocomplete="current-password"
            class="input icon-pass"
            placeholder="••••••••"
            required>
        </div>

        <div class="helper">
          <a class="link" href="#">パスワードをお忘れですか？</a>
          <span class="link" id="toggle-pass" role="button">表示</span>
        </div>

        <button id="login-submit" class="btn" type="submit">ログイン</button>
      </form>
    </div>
  </div>
</main>

<script>
  // パスワード表示切替（小さな使い勝手UP）
  (function(){
    const t = document.getElementById('toggle-pass');
    const p = document.getElementById('id_password');
    if(!t || !p) return;
    t.addEventListener('click', () => {
      const isText = p.type === 'text';
      p.type = isText ? 'password' : 'text';
      t.textContent = isText ? '表示' : '非表示';
    });
  })();
</script>