.start-menu{margin-bottom:5em;}
.start-menu>.menu-link { width:10em; padding:1rem 4rem; margin:3rem; font-size:2.5rem; font-weight:bold}

.notice{padding:2em 3em; }
.notice .download{padding:0 3em; margin-top: 1em;}
.notice .download .d-block{margin:1.5em .5em}

@media (  1200px < width ) {
}
@media (  800px < width <= 1200px) {
}
@media (  width <= 800px) {
	.start-menu{text-align:center;margin-bottom:3em}
	.start-menu>.menu-link { width:90vw; padding:1rem 5px; margin:2rem auto;}

	.notice{padding:1em; font-size:small;margin-bottom:3em}
	.notice .download{padding:0 0 0 1em;margin:1em 0}
	.notice .download .d-block{margin:1.5em 0 .5em}
}