To provide a hot-melt resin composition comprising a tackifier resin improving compatibility with a styrene block copolymer and improving lowering of physical properties of the hot-melt resin composition at high temperatures and frequently used as a thermoplastic elastomer as a component.

The hot-melt composition comprises the tackifier resin having a rosin derivative, a terpenic resin, an alkylphenol resin or a xylene resin as a main chain skeleton and silicon groups bound to hydrolyzable groups or hydroxy groups as the component.