:root {
  --pink: #ff8fb3; --orange: #ffb259; --yellow: #ffd84d; --green: #6fd6a0;
  --blue: #6cb8ff; --purple: #b79cff; --ink: #5a4a6a;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Zen Maru Gothic", "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", "Meiryo", sans-serif;
  color: var(--ink); background: #fff7fb;
  background-image: radial-gradient(#ffe3ef 2px, transparent 2px); background-size: 24px 24px; }

/* ヘッダー：にじ色のグラデーションとふわふわの雲 */
.site-header { position: relative; text-align: center; color: #fff; padding: 40px 16px 64px;
  background: linear-gradient(120deg, var(--pink), var(--orange) 35%, var(--green) 65%, var(--blue)); }
.site-header::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 28px;
  background: radial-gradient(circle at 20px 28px, #fff7fb 20px, transparent 21px) 0 0 / 40px 28px repeat-x; }
.site-header h1 { margin: 0 0 8px; font-size: clamp(1.8rem, 6vw, 2.8rem); letter-spacing: .04em;
  text-shadow: 0 3px 0 rgba(0,0,0,.15); }
.site-header h1::before { content: "🎮 "; }
.site-header h1::after { content: " ⭐"; }
.site-header p { margin: 0; font-size: 1.1rem; font-weight: bold; text-shadow: 0 2px 0 rgba(0,0,0,.12); }

main { max-width: 1100px; margin: 0 auto; padding: 24px 16px 32px; }
.game-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 24px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

/* カード：まるくて、カードごとに色がちがう */
.card { --c: var(--pink); background: #fff; border: 4px solid var(--c); border-radius: 24px; overflow: hidden;
  box-shadow: 0 6px 0 var(--c); display: flex; flex-direction: column; height: 100%;
  transition: transform .15s; }
.card:nth-child(6n+2) { --c: var(--orange); }
.card:nth-child(6n+3) { --c: var(--green); }
.card:nth-child(6n+4) { --c: var(--blue); }
.card:nth-child(6n+5) { --c: var(--purple); }
.card:nth-child(6n+6) { --c: var(--yellow); }
.card:hover { transform: translateY(-6px) rotate(-1deg); }
.card:active { transform: translateY(2px); }
.card-button { all: unset; cursor: pointer; display: flex; flex-direction: column; flex: 1; }
.card-button:focus-visible { outline: 4px solid var(--ink); outline-offset: -4px; }
.card-thumb { aspect-ratio: 4 / 3; background: color-mix(in srgb, var(--c) 30%, #fff); object-fit: cover; width: 100%; display: block; }
.card-body { padding: 12px 16px 18px; }
.card-title { margin: 0 0 4px; font-size: 1.2rem; }
.card-author { display: inline-block; margin: 0 0 8px; padding: 2px 10px; font-size: .8rem; font-weight: bold;
  color: #fff; background: var(--c); border-radius: 999px; }
.card-desc { margin: 0; font-size: .9rem; line-height: 1.6; }

.site-footer { text-align: center; padding: 24px; font-size: .85rem; color: var(--ink); }

/* モーダル（全画面） */
.modal { position: fixed; inset: 0; z-index: 100; background: #111; display: flex; flex-direction: column; }
.modal[hidden] { display: none; }
/* バーは普段は画面の上に隠れていて、上端にマウスを乗せると降りてくる */
.modal-hotzone { position: absolute; top: 0; left: 0; right: 0; height: 12px; z-index: 2; }
/* 常に見える小さな目印（▼）。マウスを乗せる / タップするとバーが出る */
.modal-hotzone::after { content: "▼"; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 64px; height: 20px; line-height: 20px; text-align: center; font-size: 11px; color: #fff;
  background: rgba(34, 34, 34, .6); border-radius: 0 0 10px 10px; }
.modal-bar { position: absolute; top: 0; left: 0; right: 0; z-index: 3;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; /* ゲーム名は左、ボタンは中央 */
  color: #fff; padding: 8px 12px; background: rgba(34, 34, 34, .92);
  transform: translateY(-100%); transition: transform .2s; }
.modal-hotzone:hover + .modal-bar,
.modal-bar:hover,
.modal-bar:focus-within { transform: translateY(0); }
.modal-bar button { font-size: 1rem; padding: 6px 14px; cursor: pointer; }
.modal-body { flex: 1; min-height: 0; display: flex; }
.modal-body iframe { flex: 1; width: 100%; height: 100%; border: 0; background: #000; }
body.modal-open { overflow: hidden; }

/* いいね・コメントのボタン */
.card-actions { display: flex; gap: 8px; padding: 0 16px 14px; }
.action-btn { font: inherit; font-size: .9rem; font-weight: bold; color: var(--ink); background: #fff;
  border: 2px solid var(--c); border-radius: 999px; padding: 4px 14px; cursor: pointer; }
.action-btn:hover { background: color-mix(in srgb, var(--c) 18%, #fff); }
.action-btn:disabled { opacity: .6; cursor: wait; }
.action-btn:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }

/* コメントのダイアログ */
.comment-dialog { width: min(520px, calc(100vw - 32px)); max-height: 90vh; border: 4px solid var(--pink);
  border-radius: 24px; padding: 20px; color: var(--ink); background: #fff; font-family: inherit; }
.comment-dialog::backdrop { background: rgba(60, 40, 80, .5); }
.comment-dialog h2 { margin: 0 0 12px; font-size: 1.2rem; }
.comment-list { list-style: none; margin: 0 0 16px; padding: 0; max-height: 40vh; overflow-y: auto; }
.comment-item { padding: 8px 0; border-bottom: 1px dashed var(--pink); }
.comment-name { font-size: .85rem; }
.comment-body { margin: 2px 0 0; font-size: .95rem; line-height: 1.5; white-space: pre-wrap; overflow-wrap: anywhere; }
.comment-empty { font-size: .9rem; }
.comment-form label { display: block; margin-bottom: 10px; font-size: .9rem; font-weight: bold; }
.comment-form input, .comment-form textarea { display: block; width: 100%; margin-top: 4px; padding: 8px;
  font: inherit; border: 2px solid var(--purple); border-radius: 12px; }
.comment-note { margin: 0 0 10px; font-size: .8rem; }
.comment-msg { min-height: 1.4em; margin: 0 0 8px; font-size: .9rem; font-weight: bold; }
.comment-buttons { display: flex; gap: 8px; justify-content: flex-end; }
.comment-buttons button { font: inherit; font-weight: bold; padding: 6px 18px; border: 0; border-radius: 999px;
  color: #fff; background: var(--pink); cursor: pointer; }
.comment-buttons button[type=button] { background: var(--purple); }

/* 試用モードの案内 */
.demo-note { max-width: 1100px; margin: 12px auto 0; padding: 8px 16px; font-size: .85rem; font-weight: bold;
  color: var(--ink); background: var(--yellow); border-radius: 12px; text-align: center; }