Theme

Health Care

In the Sustainable Challenge, you can earn gemstone berries with a color for each theme. You can redeem your gem berries for special offers and gifts when you accumulate them.
Complete each chapter within a theme to collect various colored gem berries!
Name Gem color Bright color Berry-earning articles 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
3. Choose eco-friendly transportation [emerald]
3. Health benefits [emerald]
4. The benefits of eco-driving [emerald]
2. Warm water washing toilet seat, hot water supply, bath [emerald]
2. Refrigerator [emerald]
3. Lighting [emerald]
2. Air conditioning [emerald]
 5
garnet
garnet
#c5192d
#e95868
1
lapislazuli
lapislazuli
#19486a
#2c7eb8
3. Substitutes [lapislazuli]
3. Recycle [lapislazuli]
4. Impact on global warming [lapislazuli]
 12
morganite
morganite
#dd1367
#f1649f
4
pearl
pearl
#dda63a
#ebca8e
3. Recycle your clothes as a resource [pearl]
2. International Certification [pearl]
1. Take a closer look at how it's made [pearl]
3. Think ahead when you buy [pearl]
2. Enjoy fashion through reuse [pearl]
1. Take good care of the clothes you own and wear them for a long time [pearl]
3. Clothes that are incinerated and landfilled [pearl]
2. Mass Waste Problem [pearl]
1. Fashion and the Environmental Impact [pearl]
 6
peridot
peridot
#56c02b
#92de71
8
ruby
ruby
#a21942
#e03c6e
3 Using an AED in an emergency [ruby]
1 What is an AED? [ruby]
4 Heatstroke [ruby]
2 How to use an AED [ruby]
3 How to improve sleep quality? [ruby]
2 What you can do for early detection and prevention [ruby]
3 What you can do to prevent dementia [ruby]
3 Things you can do to prevent diabetes [ruby]
 7
sapphire
sapphire
#00689d
#00aaff
Checkpoint III [sapphire]
5. Power restoration [sapphire]
Checkpoint II [sapphire]
Damage to telephones and elevators [sapphire]
 9
topaz
topaz
#bf8b2e
#ddb673
4 What if the light bulb is out? [topaz]
3 Tips for using delivery boxes effectively [topaz]
2. Manners in common areas such as hallways [topaz]
1. Smoking etiquette [topaz]
 11
tourmaline
tourmaline
#4c9f38
#82cb70
3 Review of consumption behavior [tourmaline]
3. Four Crises to Biodiversity in Japan② [tourmaline]
3. The blessings of biodiversity [tourmaline]
 10

Environment

Initiatives to reduce environmental impact

Social

Contribution to society and community

Governance

Collaboration with stakeholders