@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

body {
    font-family: 'Inter', sans-serif;
    color: #2A3439;
    background-color: #FFFFFF;
}

/* テキストコピー・選択禁止用のCSS */
* {
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

/* ドロップダウン表示用 */
.group:hover .group-hover\:block {
    display: block;
}

/* 3Dフリップアニメーション用 */
.flip-container {
    perspective: 1000px;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}
.flip-inner {
    transition: transform 0.6s cubic-bezier(0.4, 0.2, 0.2, 1);
    transform-style: preserve-3d;
    position: relative;
    width: 100%;
    height: 100%;
}
.flip-container.flipped .flip-inner {
    transform: rotateY(180deg);
}
.flip-front, .flip-back {
    backface-visibility: hidden;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.flip-back {
    transform: rotateY(180deg);
}

/* 翻訳完全ブロック用（DOMからテキストを隠しCSSで描画） */
.pure-text::before {
    content: attr(data-text);
}