*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:1vw;scroll-behavior:smooth;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}body{font-family:AvenirNextLTPro-Medium,Lexend,Noto Sans JP,sans-serif;font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;word-wrap:break-word;overflow-wrap:break-word}a{color:var(--maincolor);text-decoration:underline}.contents-section{margin:0 auto;padding:4rem 0;width:100%}.centered-section>div{margin:0 auto;width:55rem}.bottom-blue{background:linear-gradient(to top,var(--maincolor) 30%,var(--white) 0)}@media screen and (max-width:480px){html{font-size:14px}.centered-section>div{padding:0 2rem;width:100%}}