header {position: fixed; top: 0; left: 0; width: 100%; height: 90px; background: var(--wt); z-index: 10; border-bottom: 1px solid var(--gray_d9);}
header .container {display: flex; align-items: center; justify-content: space-between; height: 100%;}
header .logo {width: 184px; height: auto;}
header .logo img {width: 100%; height: auto;}
header nav {}
header nav ul {display: flex; align-items: center; justify-content: center; gap: 50px;}
header nav ul li {}
header nav ul li a {font-size: 18px; font-weight: 500; line-height: 1; color: var(--black_3);}
header nav ul li.active a {color: var(--pr);}

header .tell_link {display: flex; align-items: center; justify-content: center; gap: 4px; padding: 12px 16px; background: var(--pr); border-radius: 6px; box-sizing: border-box; font-size: 18px; font-weight: bold; line-height: 1; color: var(--wt);}
header .tell_link img {width: 16px;}

/* fixed_btn */
.fixed_btn {position: fixed; bottom: 30px; right: 30px; display: flex; flex-flow: column; gap: 20px; z-index: 5;}
.fixed_btn a {display: block; width: 80px; height: auto;}
.fixed_btn a:last-of-type {display: none;}
.fixed_btn a img {width: 100%; height: auto;}