header {position: fixed; top: 0; left: 0; width: 100%; height: 80px; border-bottom: 1px solid var(--gray_e7); background: var(--wt); z-index: 10;}
header .container {display: flex; align-items: center; justify-content: space-between; height: 100%;}
header .logo {width: auto; height: auto; font-size: 30px; font-weight: 700; color: var(--pr);}
header .logo img {width: 100%; height: auto;}

header .link_btn {display: flex; align-items: center; justify-content: center; width: 160px; height: 51px; border-radius: 8px; background: var(--pr_gr); font-size: 16px; font-weight: bold; line-height: 1; color: var(--wt);}