#prevention_index .section.container { width: 100%; }
#prevention_index .section.container .prv-list li { padding-left: 1em; position: relative; }
#prevention_index .section.container .prv-list li:nth-child(n+2) { margin-top: 1em; }
#prevention_index .section.container .prv-list li::before { content: ""; width: 0.25em; height: 0.25em; border-radius: 0.125em; background-color: #4bbab3; position: absolute; top: 0.5em; left: 0.33em; }
#prevention_index .section.container .certification { width: 94%; margin-left: auto; margin-right: auto; margin-top: 2em; padding: 2em; background-color: #e7f7f5; border-radius: 1em; }
#prevention_index .section.container .certification .poster img { width: 100%; border: 1px solid #e0e0e0; }

@media screen and (max-width: 767px) { #prevention_index .section.container .certification .poster { margin-top: 0.5em; width: 60%; margin-left: auto; margin-right: auto; } }
@media screen and (min-width: 768px), print { #prevention_index .section.container .prv-list li { font-size: 16px; } }