.bubble {
            background: white;
            border-radius: 10px;
	        display:block;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
            opacity: 0;
	        width:30%; 
            padding:5px 20px;
            transform: translateY(50px) scale(0.8);
            animation: bubbleAppear 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
        }

        .bubble::before {
            content: '';
            position: absolute;
            width: 0;
            height: 0;
            border: 10px solid transparent;
            border-top-color: white;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
        }

        /* 1個目の吹き出し - 三角を右側に */
        .bubble:nth-child(1)::before, .bubble:nth-child(3)::before {
         
            left: auto;
            right: 30px;
            transform: none;
        }

        /* 2個目の吹き出し - 三角を左側に */
        .bubble:nth-child(2)::before, .bubble:nth-child(4)::before {
            left: 30px;
            right: auto;
            transform: none;
        }

        

        .bubble.center {
            background: #FF9800;
            color: white;
        }

        .bubble.center::before {
            border-top-color: #FF9800;
        }

        /* アニメーション定義 */
        @keyframes bubbleAppear {
            0% {
                opacity: 0;
                transform: translateY(50px) scale(0.8);
            }
            60% {
                opacity: 1;
                transform: translateY(-10px) scale(1.05);
            }
            100% {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        /* 遅延アニメーション */
        .bubble:nth-child(1) { animation-delay: 0.2s; }
        .bubble:nth-child(2) { animation-delay: 0.6s; }
        .bubble:nth-child(3) { animation-delay: 1.0s; }
        .bubble:nth-child(4) { animation-delay: 1.4s; }
        .bubble:nth-child(5) { animation-delay: 1.8s; }

        /* ボタン */
        .controls {
            margin-top: 40px;
            text-align: center;
        }

        
        /* フローティングアニメーション */
        .floating {
            animation: floating 3s ease-in-out infinite;
        }

        @keyframes floating {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }

        /* パルスエフェクト */
        .pulse {
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.02); }
            100% { transform: scale(1); }
        }

        /* 吹き出しの内容 */
        .bubble h3 {
            margin:0px;
            padding:15px 0px;
            font-size: 2em;
            font-weight: bold ;
            color:#ce0910;
            letter-spacing:0px;
        }


        .bubble:nth-child(1) {
            margin-left:10%;
            margin-top:80px;
            width:100%;
            max-width:400px;

        }
        .bubble:nth-child(2) {
            margin-left: auto;
            margin-right: auto;
            margin-top:40px;
            width:20%;
            max-width:260px;

        }
        .bubble:nth-child(3) {
            margin-left:5%;
            margin-top:-80px;
            width:20%;
            max-width:260px;

        }
        .bubble:nth-child(4) {
            margin-left:20%;
            margin-top:60px;
            width:20%;
            max-width:260px;

        }

        /* h2.bubble2 のスタイリング */
        h2.bubble2 {
           text-align:center;
  font-size:2em;

        }
        h2.bubble2 span.kakko{ font-weight:light; font-size:1.3em;}

        h2.bubble2 span.you{ font-weight:bold; color:#ce0910;}

        

        .support_txt {
            font-size: 1.5em;
            font-weight: bold;
            color:whitesmoke;
            margin-top: 40px;
            text-align: center;
            width:35%;
            background-color:#ce0910;
            margin-left:10%;
            padding:10px 20px;
            line-height: 1.3;
            
        }

        /* レスポンシブ対応 */
        /* タブレット (768px以下) */
        @media (max-width: 768px) {
            .bubble {
                width: 80%;
                padding: 10px 15px;
            }

            .bubble h3 {
                font-size: 1.5em;
                padding: 10px 0px;
            }

            .bubble:nth-child(1) {
                margin-left: 10%;
                margin-top: 120px;
                width: 80%;
                max-width: 300px;
            }

            .bubble:nth-child(2) {
                margin-left: auto;
                margin-right: 10%;
                margin-top: 30px;
                width: 60%;
                max-width: 200px;
            }

            .bubble:nth-child(3) {
                margin-left: 15%;
                margin-top: 40px;
                width: 60%;
                max-width: 200px;
            }

            .bubble:nth-child(4) {
                margin-left:auto;
                margin-right: 10%;
                margin-top: 40px;
                width: 60%;
                max-width: 200px;
            }

            h2.bubble2 {
                font-size: 1.6em;
                margin: 20px auto;
                padding: 0 20px;
            }

            h2.bubble2 span.kakko {
                font-size: 1.1em;
            }

            .support_txt {
                font-size: 1.2em;
                width: 80%;
                display: block;
                margin: 0 auto;
                margin-top:60px
                padding: 10px 10px;
                position: relative;
                z-index: 1;
            }
            
        }

        /* スマートフォン (480px以下) */
        @media (max-width: 480px) {
            .bubble {
                width: 90%;
                padding: 8px 12px;
            }

            .bubble h3 {
                font-size: 1.2em;
                padding: 8px 0px;
            }

            .bubble:nth-child(1) {
                margin-left: 5%;
                margin-top: 80px;
                width: 90%;
                max-width: 300px;
            }

            .bubble:nth-child(2) {
                margin-left: auto;
                margin-right: auto;
                margin-top: 20px;
                width: 80%;
                max-width: 250px;
            }

            .bubble:nth-child(3) {
                margin-left: 5%;
                margin-top: 40px;
                width: 80%;
                max-width: 250px;
            }

            .bubble:nth-child(4) {
                margin-right: 5%;
                margin-top: 30px;
                width: 80%;
                max-width: 250px;
            }

            h2.bubble2 {
                font-size: 1.4em;
                margin: 15px auto;
                padding: 0 15px;
            }

            h2.bubble2 span.kakko {
                font-size: 1em;
            }

            .support_txt {
                font-size: 1em;
                margin-top:60px;
                
            }

            /* 三角形のサイズ調整 */
            .bubble::before {
                border: 8px solid transparent;
            }

            .bubble:nth-child(1)::before, .bubble:nth-child(3)::before {
                right: 20px;
            }

            .bubble:nth-child(2)::before, .bubble:nth-child(4)::before {
                left: 20px;
            }
        }

        /* 超小画面 (320px以下) */
        @media (max-width: 320px) {
            .bubble {
                width: 95%;
                padding: 6px 10px;
            }

            .bubble h3 {
                font-size: 1em;
                padding: 6px 0px;
            }

            .bubble:nth-child(1),
            .bubble:nth-child(2),
            .bubble:nth-child(3),
            .bubble:nth-child(4) {
                width: 95%;
                margin-left: 2.5%;
                margin-right: auto;
            }

            h2.bubble2 {
                font-size: 1.2em;
                padding: 0 10px;
            }

            .support_txt {
                font-size: 0.9em;
                width: 95%;
                margin-left: 2.5%;
                padding: 10px 12px;
            }
        }