*, *::before, *::after {
  box-sizing: border-box; }

ul[class], ol[class] {
  padding: 0; }

body, h1, h2, h3, h4, p, li, figure, figcaption, blockquote, dl, dd {
  margin: 0; }

body {
  min-height: 100vh;
  scroll-behavior: smooth;
  text-rendering: optimizeSpeed;
  line-height: 1.5; }

ul[class], ol[class] {
  list-style: none; }

a:not([class]) {
  -webkit-text-decoration-skip: ink;
          text-decoration-skip-ink: auto; }

a[class] {
  text-decoration: none; }

img {
  max-width: 100%;
  display: block; }

article > * + * {
  margin-top: 1em; }

input, button, textarea, select {
  font: inherit;
  outline: none; }

@media (prefers-reduced-motion: reduce) {
  * {
    -webkit-animation-duration: 0.01ms !important;
            animation-duration: 0.01ms !important;
    -webkit-animation-iteration-count: 1 !important;
            animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important; } }

img {
  height: auto;
  width: auto; }

p {
  padding: 5px 0; }

h1,
h2,
h3,
h4 {
  padding: 15px 0;
  text-align: center; }

table {
  border-collapse: collapse;
  max-width: 1600px;
  margin: 0 auto; }
  table th,
  table td {
    border: 1px solid #000;
    padding: 5px; }

ul:not([class]) li,
ol:not([class]) li {
  padding: 5px 0; }

a {
  transition: all 0.3s ease-in-out; }
  a:hover {
    text-decoration: none; }

body {
  background: #000;
  color: #fff;
  font-family: Arial, Helvetica, sans-serif; }

html,
body {
  height: 100%; }

.o-container {
  display: flex;
  flex-direction: column;
  background-image: url("../img/body-bg-s.jpg");
  background-image: -webkit-image-set(url("../img/webp/body-bg-s.webp") 1x, url("../img/webp/body-bg-s.webp") 2x);
  background-image: -webkit-image-set(url("../img/body-bg-s.jpg") 1x, url("../img/body-bg-s.jpg") 2x);
  background-image: image-set(url("../img/body-bg-s.jpg") 1x, url("../img/body-bg-s.jpg") 2x);
  background-repeat: no-repeat;
  background-size: 100%;
  margin: 0 auto;
  max-width: 720px;
  height: 100%; }

.o-padding {
  padding: 15px; }

.o-hidden {
  display: none; }

.o-img-center {
  display: block;
  margin: 0 auto; }

.o-blue-list {
  align-items: center;
  display: flex;
  flex-direction: column; }
  .o-blue-list a {
    color: #0099ff; }

@media (min-width: 500px) {
  .o-container {
    background-image: url("../img/body-bg.jpg");
    background-image: -webkit-image-set(url("../img/webp/body-bg.webp") 1x, url("../img/webp/body-bg.webp") 2x);
    background-image: -webkit-image-set(url("../img/body-bg.jpg") 1x, url("../img/body-bg.jpg") 2x);
    background-image: image-set(url("../img/body-bg.jpg") 1x, url("../img/body-bg.jpg") 2x); } }

.c-header {
  display: flex;
  flex-direction: column;
  padding: 15px;
  min-height: 168px; }

.c-header__top-box {
  align-items: center;
  display: flex;
  justify-content: flex-end;
  padding: 15px 0; }
  .c-header__top-box a {
    color: #0099ff;
    text-decoration: none;
    transition: all 0.3s ease-in-out; }
    .c-header__top-box a:hover {
      text-decoration: underline; }
    .c-header__top-box a:first-child {
      border-right: 2px solid #0099ff;
      margin: 0 5px 0 0;
      padding: 0 5px 0 0; }

.c-header__bottom-box {
  align-items: center;
  display: flex;
  justify-content: space-between; }

.c-logo {
  display: inline-block;
  max-width: 200px; }

.c-burger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 27px;
  width: 30px; }
  .c-burger div {
    background: #fff;
    height: 3px;
    width: 100%; }

.c-header__nav {
  background: #f6e28a;
  position: absolute;
  left: 0;
  height: 100%;
  top: 160px;
  width: 100%; }

.c-burger__menu li {
  cursor: pointer;
  padding: 10px;
  transition: all 0.3s ease-in-out; }
  .c-burger__menu li:hover {
    background: #0086dd; }
    .c-burger__menu li:hover a {
      color: #f6e28a; }

.c-burger__menu a {
  color: #0086dd;
  text-decoration: none;
  font-weight: 600;
  text-transform: uppercase;
  text-shadow: 0 1px 0 #0099ff;
  font-size: 20px; }

@media (min-width: 768px) {
  .c-burger {
    display: none; }
  .c-header {
    min-height: initial; }
  .c-header__nav {
    background: #f6e28a;
    display: block;
    position: initial;
    left: initial;
    top: initial;
    margin: 10px 0 0 0; }
  .c-header__bottom-box {
    flex-direction: column; }
  .c-burger__menu {
    display: flex;
    justify-content: space-between;
    margin: 0;
    width: 100%; }
    .c-burger__menu li {
      flex-basis: 100%;
      text-align: center; } }

.c-main {
  padding: 15px;
  flex: 1; }

.c-list-flex-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly; }
  .c-list-flex-box ul {
    flex-basis: 100%;
    max-width: 300px;
    list-style: none; }

.c-footer {
  color: #0099FF;
  padding: 15px; }
  .c-footer a {
    color: #0099FF; }
    .c-footer a:hover {
      text-decoration: none; }