We have independently developed an airtight plant cultivation system that completely shuts off plants from the outside environment and enables individual and precise control of light, temperature, humidity, CO₂ concentration, etc. optimal for plant growth. We have also developed plant growth control software based on plant physiology that logically models the relationship between plant growth and the growing environment. With these technologies, we have realized highly efficient and stable plant production and are proposing a new form of food production and supply through sustainable plant factories.