Toner and method for producing toner

A toner, comprising:

• toner particles containing:
• a resin component containing:
• a crystalline resin and an amorphous resin,
• wherein the resin component contains a tetrahydrofuran-insoluble component, and
• a content of the tetrahydrofuran-insoluble component with respect to a content of the resin component is 5.0% to 80.0% by mass,
• wherein when a maximum endothermic peak temperature in a differential scanning calorimetry measurement (DSC measurement) of the tetrahydrofuran-insoluble component is defined as Tm [° C.], and when an amount of heat absorption in the maximum endothermic peak determined from DSC measurement of the tetrahydrofuran-insoluble component is defined as H(I) [J/g],
• Tm [° C.] satisfies formula (1):
• 55.0≤Tm≤80.0 (1), and
• H(I) [J/g] satisfies formula (2):
• 10.0≤H(I)≤80.0 (2), and
• wherein when cross sections of 100 particles of the toner particles are observed,
• each of the cross sections has a domain-matrix structure which comprises a matrix containing the crystalline resin, and domains each of which contains the amorphous resin, and
• among the 100 particles, the number of particle in which all the domains have a major diameter of 1.0 μm or less is 20 particles or more, and
• wherein the crystalline resin comprises a vinyl polymer A containing a monomer unit A1 represented by formula (A):
• where in formula (A), R1 is H or CH3, and R2 is an alkyl group having 18 to 36 carbon atoms.