Name Gem color Bright color How to earn Birth month
amethyst
amethyst
#8c52ff
#cfb9fa
2
aquamarine
aquamarine
#26bde2
#7cd8ed
3 Other ways to save water in your daily life [aquamarine]
3 Laundry [aquamarine]
3 How water is used at home [aquamarine]
 3
emerald
emerald
#3f7e44
#6db571
2 Air conditioning [emerald]
3 Lighting [emerald]
2 refrigerator [emerald]
2 Warm water washing toilet seat, hot water supply, bath [emerald]
4 Effects of eco-driving [emerald]
3 Health benefits [emerald]
3 Choosing an eco-friendly transportation method [emerald]
 5
garnet
garnet
#c5192d
#e95868
1
lapislazuli
lapislazuli
#19486a
#2c7eb8
3 Substitutable items [lapislazuli]
3 Recycle [lapislazuli]
4 Impact on global warming [lapislazuli]
1The Situation Surrounding Plastics [lapislazuli]
 12
morganite
morganite
#dd1367
#f1649f
4
pearl
pearl
#dda63a
#ebca8e
3 Let's recycle clothes. [pearl]
2 Regarding International Certifications [pearl]
Let's take a good look at how it's made. [pearl]
3 Think ahead before you buy. [pearl]
3 Incinerated and Landfilled Clothing [pearl]
2 Mass Disposal Issues [pearl]
1 Fashion and Environmental Impact [pearl]
 6
peridot
peridot
#56c02b
#92de71
8
ruby
ruby
#a21942
#e03c6e
3 To use an AED in an emergency [ruby]
1 What is an AED? [ruby]
3 Things you can do to prevent diabetes [ruby]
3 What you can do to prevent dementia [ruby]
2 What can be done for early detection and prevention [ruby]
3 How to improve sleep quality? [ruby]
2 Steps on how to use an AED [ruby]
4 Heatstroke [ruby]
 7
sapphire
sapphire
#00689d
#00aaff
9
topaz
topaz
#bf8b2e
#ddb673
4 What if a light bulb burns out? [topaz]
 11
tourmaline
tourmaline
#4c9f38
#2A986C
3 Benefits of Biodiversity [tourmaline]
3 Four Crises Facing Japan's Biodiversity (Part 2) [tourmaline]
3 Review of consumption behavior [tourmaline]
 10

Environment

Initiatives to reduce environmental impact

Social

Contributing to society and the community

Governance

Collaboration with stakeholders