#page_nav{background:var(--color-bg);box-shadow:0 2px 5px rgba(0,0,0,.3);color:var(--color-font);line-height:2;padding:1em 0;width:100%}#page_nav ul{display:flex;flex-wrap:wrap;font-size:1.6rem;margin:0 auto;max-width:1150px;width:100%}#page_nav li:not(:last-child){margin-right:2em}#page_nav li:before{background:var(--color-grad-blue);clip-path:polygon(25% 0,75% 0,50% 100%,0 100%);content:"";display:inline-block;height:1.2em;position:relative;top:.3em;width:.9em}@media screen and (max-width:1200px){#page_nav{padding:1em 20px}}.page_nav__fixed{position:fixed;top:70px;z-index:100}@media screen and (max-width:900px){.page_nav__fixed{position:unset;top:50px}#page_nav ul{font-size:14px}}#header_scroll{color:var(--color-main);height:80px;position:relative;transition:all .5s ease-in-out}#header_scroll .scroll_wrap{bottom:0;left:47.5%;position:absolute}#header_scroll .scroll_1{top:-80px}#header_scroll .scroll_1,#header_scroll .scroll_2{animation:act_scroll 2s infinite;border:solid var(--color-main);border-width:0 0 2px 2px;display:inline-block;height:30px;left:7.5px;margin:auto;position:absolute;transform:rotate(-45deg);width:30px}#header_scroll .scroll_2{top:-60px}@media screen and (max-width:500px){#header_scroll .scroll_wrap{left:46%}#header_scroll .scroll_1,#header_scroll .scroll_2{left:0}}#solution .none{opacity:0}@keyframes act_scroll{0%{transform:rotate(-45deg) translate(0)}80%{transform:rotate(-45deg) translate(-15px,15px)}0%,80%,to{opacity:0}40%{opacity:1}}