h1{font-family:JetBrains Mono,Noto Sans JP}header{height:50px;margin-right:calc(.75rem + 64px)}header .buttons a{--tw-bg-opacity:1;background-color:rgb(226 232 240/var(--tw-bg-opacity,1));font-size:1.25rem;line-height:1.75rem;line-height:50px;padding-left:.75rem;padding-right:.75rem}header .buttons a:hover{--tw-bg-opacity:1;background-color:rgb(203 213 225/var(--tw-bg-opacity,1))}header .buttons>a{border-bottom-left-radius:.75rem;position:fixed;right:4rem;top:0}@media(min-width:768px){header .buttons>a{position:static}}header .fn_buttons a:first-of-type{border-bottom-left-radius:.75rem;border-top-left-radius:.75rem}@media(min-width:768px){header .fn_buttons a:first-of-type{border-top-left-radius:0}}header .fn_buttons a:last-of-type{border-bottom-right-radius:.75rem;border-top-right-radius:.75rem}@media(min-width:768px){header .fn_buttons a:last-of-type{border-top-right-radius:0}}.guide h3{font-size:1.5rem;line-height:2rem;margin-top:2rem}