Columbia Sans, Helvetica Neue with Plantin in action on konmari.com

Under the hood

.header-1 { font-family: "Columbia Sans"; font-size: 44px; font-style: normal; font-weight: 200; letter-spacing: normal; line-height: 55px; text-transform: none; color: #0A121C; }
.content-1 { font-family: HelveticaNeue, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12px; font-style: normal; font-weight: 300; letter-spacing: 2px; line-height: 18px; text-transform: uppercase; color: #0A121C; }
.content-2 { font-family: HelveticaNeue, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 13px; font-style: normal; font-weight: 400; letter-spacing: 1px; line-height: 16px; text-transform: uppercase; color: #FFFFFF; }
.content-3 { font-family: HelveticaNeue, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 11px; font-style: normal; font-weight: 300; letter-spacing: 1px; line-height: 17px; text-transform: uppercase; color: #DBAA66; }
.content-4 { font-family: Plantin; font-size: 22px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 26px; text-transform: none; color: #0A121C; }