【コピペOK】Ankiテンプレート3選｜「無骨な画面」をCSSでおしゃれ＆学習特化型に変える方法

<!--
    Version: 1.0.0
    Title: 単語帳カスタマイズ-advanced-sample-01 - Front
    Description: 高度なカスタマイズサンプル単語帳カードテンプレート（表面）
    Changelog:
        v1.0.0 (2025-12-28): Initial release as V1.0
-->

<!--
 Copyright (c) 2025 森田ユウゴ https://moritayugo.com/
 License: GPL-3.0 (改変・再配布時は同じライセンスで公開してください)
 https://www.gnu.org/licenses/gpl.html
-->

<div class="anki-card-container">
    <div class="card-animator">
      <div class="card-header">
        <div class="deck-name">{{Deck}}</div>
        <div class="tags">{{Tags}}</div>
      </div>
      <div class="header-separator"></div>
      <div class="main-area">
        <div id="content-front">
          <div class="content-text">{{表面}}</div>
          <div class="free-area"></div>
        </div>
        <div id="content-back" class="is-hidden"></div>
      </div>
    </div>
  </div>

<!--
    Version: 1.0.0
    Title: 単語帳カスタマイズ-advanced-sample-01 - Back
    Description: 高度なカスタマイズサンプル単語帳カードテンプレート（裏面）
    Changelog:
        v1.0.0 (2025-12-28): Initial release as V1.0
-->

<!--
 Copyright (c) 2025 森田ユウゴ https://moritayugo.com/
 License: GPL-3.0 (改変・再配布時は同じライセンスで公開してください)
 https://www.gnu.org/licenses/gpl.html
-->

{{FrontSide}}

<div id="raw-back-content" style="display: none;">
  <div class="content-text">{{裏面}}</div>
  <div class="free-area"></div>
</div>

<div id="flip-btn" class="flip-button">
  <svg viewBox="0 0 24 24" fill="currentColor"><path d="M12 4V1L8 5l4 4V6c3.31 0 6 2.69 6 6 0 1.01-.25 1.97-.7 2.8l1.46 1.46C19.54 15.03 20 13.57 20 12c0-4.42-3.58-8-8-8zm0 14c-3.31 0-6-2.69-6-6 0-1.01.25-1.97.7-2.8L5.24 7.74C4.46 8.97 4 10.43 4 12c0 4.42 3.58 8 8 8v3l4-4-4-4v3z"/></svg>
</div>

<script>
(function() {
  const ids = { f: 'content-front', b: 'content-back', r: 'raw-back-content', btn: 'flip-btn' };
  const front = document.getElementById(ids.f);
  const back = document.getElementById(ids.b);
  const raw = document.getElementById(ids.r);
  const ctr = document.querySelector('.anki-card-container');
  const animator = document.querySelector('.card-animator');
  const btn = document.getElementById(ids.btn);

  if (!front || !back || !raw || !ctr || !animator) return;
  if (ctr.classList.contains('init')) return;

  back.innerHTML = raw.innerHTML;
  front.classList.add('is-hidden');
  back.classList.remove('is-hidden');
  ctr.classList.add('clickable-area', 'init');

  if (btn) {
    animator.appendChild(btn);
    setTimeout(() => { btn.style.opacity = '1'; btn.style.transform = 'scale(1)'; }, 50);
  }

  ctr.onclick = function(e) {
    if (e.target.tagName === 'A') return;
    const isBack = !back.classList.contains('is-hidden');
    if (isBack) {
      back.classList.add('is-hidden');
      front.classList.remove('is-hidden');
    } else {
      front.classList.add('is-hidden');
      back.classList.remove('is-hidden');
    }
  };
})();
</script>

/*
    Version: 1.0.0
    Title: 単語帳カスタマイズ-advanced-sample-01 - Style
    Changelog:
        v1.0.0 (2025-12-28): Initial release as V1.0
*/

/*
 * Copyright (c) 2025 森田ユウゴ https://moritayugo.com/
 * License: GPL-3.0 (改変・再配布時は同じライセンスで公開してください)
 * https://www.gnu.org/licenses/gpl.html
 */
 
:root {
    --bg-canvas: #2f73ae;
    --bg-card: #ffffff;
    --text-main: #222222;
    --text-sub: #666666;
    --border-color: #eeeeee;
    --edge-margin: 10px;
    --card-radius: 12px;
    --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  }
  
  .nightMode {
    --bg-canvas: #1a1a1a;
    --bg-card: #2c2c2c;
    --text-main: #dddddd;
    --text-sub: #888888;
    --border-color: #444444;
  }
  
  html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-canvas);
    touch-action: manipulation;
  }
  
  .card {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
  }
  
  .anki-card-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 100;
    padding: var(--edge-margin);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }
  
  .card-animator {
    width: 100%;
    height: 100%;
    background-color: var(--bg-card);
    color: var(--text-main);
    border-radius: var(--card-radius);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
  }
  
  .anki-card-container:active .card-animator {
    transform: scale(0.985);
  }
  
  .card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 12px 20px;
    font-size: 0.75rem;
    color: var(--text-sub);
    flex-shrink: 0;
    box-sizing: border-box;
    width: 100%;
    min-height: 44px;
  }
  
  .deck-name {
    text-align: left;
    padding-right: 10px;
  }
  
  .tags {
    text-align: right;
    padding-left: 10px;
  }
  
  .header-separator {
    width: 100%;
    height: 1px;
    background-color: var(--border-color);
    flex-shrink: 0;
  }
  
  .main-area {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px 20px 80px 20px;
    text-align: center;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .content-text {
    font-weight: 600;
    font-size: 2rem;
    width: 100%;
  }
  
  .free-area {
    font-weight: normal;
    font-size: 1rem;
    margin-top: 20px;
    width: 100%;
    color: var(--text-main);
    opacity: 0.9;
  }
  
  .main-area img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 4px;
  }
  
  .flip-button {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 64px;
    height: 64px;
    color: var(--bg-canvas);
    background-color: rgba(47, 115, 174, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 200;
  }
  
  .nightMode .flip-button {
    color: #5d9cd6;
    background-color: rgba(93, 156, 214, 0.15);
  }
  
  .flip-button svg {
    width: 36px;
    height: 36px;
  }
  
  .is-hidden {
    display: none !important;
  }