.heading2{font-family:serif;font-size:3.5rem}.top_section{font-family:serif}.top_section h3{font-family:serif;font-weight:bold}.top_section a{font-family:serif;font-size:0.9rem}.kasou h2{font-family:serif;font-weight:bold}.kasou h3{font-family:serif;font-weight:bold}.kasou{font-family:serif}.p_text{font-size:16px;color:#000}@media screen and (max-width:768px){.inner_box{width:90%}.p_text{font-size:14px;color:#000}}@media screen and (max-width:1024px){.fbox{display:flex}.snsbox{display:flex}}.footer_section{font-family:serif}