/* --- 全体共通・基本設定 --- */
.apri-container {
    margin-bottom: 25px;
}

.top-text {
    font-weight: bold;
    font-size: 16px;
    margin-bottom: 50px;
    margin-top: 10px;
    text-align: center;
}

/* アップデート項目 */
.update-item {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 50px;
    padding-bottom: 50px;
    border-bottom: 1px dotted #ccc;
    text-align: left;
}

.update-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.update-img {
    flex: 0 0 300px;
}

.update-img img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.update-text {
    flex: 1;
}

.update-item h3 {
    margin: 0 0 15px 0;
    font-size: 20px;
    color: #0d7b38;
    line-height: 1.4;
}

.explanation-text {
    padding-top: 5px;
    font-size: 15px;
    line-height: 1.5;
    color: #333;
}

/* ボタン（アウトライン型） */
.btn-container {
    text-align: center;
    margin: 20px 0;
}

.tenki-button {
    display: inline-block;
    background-color: #ffffff;
    color: #0093c4;
    font-weight: bold;
    text-decoration: none;
    padding: 10px 35px;
    border-radius: 4px;
    border: 2px solid #0093c4;
    font-family: "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
    font-size: 15px;
}

.tenki-button:hover {
    background-color: #f0f8ff;
    color: #007ba3;
    border-color: #007ba3;
    text-decoration: none;
}

/* アプリ紹介バナー */
.app-banner-box {
    background: #f4f7f5;
    padding: 40px 20px;
    margin-top: 50px;
    border-radius: 15px;
    text-align: center;
}

.app-title {
    color: #0d7b38;
    font-size: 22px;
    margin-bottom: 20px;
    font-weight: bold;
}

.app-desc {
    max-width: 600px;
    margin: 0 auto 25px auto;
    font-size: 15px;
}

.apri {
    display: inline-block;
    padding: 12px 30px;
    background: #2c5d3f;
    color: #fff !important;
    text-decoration: none;
    border-radius: 10px;
    font-weight: bold;
    font-size: 16px;
}

.apri:hover {
    background: #36734d;
}

/* --- モバイル対応 (768px以下) --- */
@media screen and (max-width: 768px) {
    .top-text {
        font-size: 26px;
        text-align: left;
    }

    .update-item {
        flex-direction: column;
        align-items: center;
        gap: 25px;
        padding-bottom: 40px;
        margin-bottom: 40px;
    }

    .update-img {
        flex: 0 0 auto;
        width: 85%;
        max-width: 320px;
    }

    .update-text {
        width: 100%;
        padding: 0 10px;
    }

    .update-item h3 {
        font-size: 28px;
        text-align: center;
        margin-bottom: 20px;
    }

    .explanation-text {
        font-size: 26px;
        line-height: 1.6;
        text-align: left;
    }

    .tenki-button {
        display: block;
        width: 95%;
        max-width: 400px;
        margin: 10px auto 0;
        font-size: 24px;
        padding: 18px 0;
        border-radius: 8px;
    }

    .app-banner-box {
        padding: 30px 15px;
        margin-top: 30px;
    }

    .app-title {
        font-size: 28px;
    }

    .app-desc {
        font-size: 24px;
        line-height: 1.6;
        text-align: left;
    }

    .apri {
        font-size: 24px;
        padding: 15px 40px;
    }
}