@media  (min-width: 801px) {
	    .block_contents {
        width: auto;
        max-width: 42vw;
        margin: 0 auto;
    }
	    body {
        overflow-x: hidden;
    }
    .content_block {
        overflow-x: hidden;
    }
}

@media  (max-width: 800px) {
	header { height: 3.5rem; font-size: 1rem; }
	.block_contents { width: -webkit-fill-available; padding: 1rem 3vw 2rem 3vw; }
	.block1 { height: 50vh; }
	#title h1, #title h2 { padding: 0.5rem; font-size: 1.3rem; }
	#title h1 { margin-top: 6rem; }
	#form h2 { font-size: 1.6rem; line-height: 1.2rem; }
	#form button { font-size: 1.2rem; }
	.block3 { background: linear-gradient(to right, rgba(19, 23, 25, 1), rgba(19, 23, 25, 1) 85%, rgba(19, 23, 25, 0) 100%); }
	.block3 .block_contents { padding-right: 15vw; }
	petition_footer { display: none; width: 90%; padding: 0.8rem 5% 0.6rem; text-align: center; position: fixed; z-index: 998; box-shadow: 0 0 4px rgba(0,0,0,0.8); font-size: 1.1rem; bottom: 0; left: 0; color: #fff; font-weight: 800; letter-spacing: -0.01rem; background: #ff0000; transition: opacity 0.3s ease; }
	petition_footer:hover { background: #ffaf24; color: #131719; }
	footer { text-align: center; }
}