/* reset */
html,
body,
div,
p,
img,
span,
a,
em,
strong,
pre,
h1,
h2,
h3,
h4,
h4,
h5,
h6,
ul,
ol,
li,
dl,
dt,
dd,
table,
tbody,
thead,
tfoot,
tr,
th,
td,
form,
fieldset,
legend,
caption,
input,
textarea,
button,
select,
video,
iframe,
header,
article,
aside,
details,
figcaption,
figure,
footer,
hgroup,
menu,
nav,
section {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

main,
header,
article,
aside,
details,
figcaption,
figure,
footer,
hgroup,
menu,
nav,
section {
  display: block;
}

html {
  font-size: 16px;
  font-family: "Noto Sans KR", sans-serif;
  -webkit-text-size-adjust: none;
  scroll-behavior: smooth;
}

body {
  color: #1c1c1c;
  line-height: 1;
  font-weight: 400;
  word-break: break-all;
  letter-spacing: -0.5px;
}

input,
textarea,
button,
select {
  font-size: inherit;
  color: inherit;
  font-family: inherit;
}
input:focus,
textarea:focus,
button:focus,
select:focus {
  outline: none;
}

select {
  border: 0;
}

input::-ms-clear,
input::-ms-reveal {
  display: none;
  width: 0;
  height: 0;
}

input::-webkit-search-decoration,
input::-webkit-search-cancel-button,
input::-webkit-search-results-button,
input::-webkit-search-results-decoration {
  display: none;
}

textarea {
  border: none;
  resize: none;
}

img,
fieldset,
button {
  border: 0;
  background: none;
}

img {
  max-width: 100%;
}

label {
  cursor: pointer;
}

input {
  border-radius: 0;
}

input[type=text],
input[type=tel] {
  appearance: none;
}

input,
button,
textarea {
  border: 0 none;
  outline: 0;
}

button {
  cursor: pointer;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

ul,
ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

a,
img {
  vertical-align: top;
}

em {
  font-style: normal;
}

.blind,
caption {
  position: absolute;
  top: 0;
  left: 0;
  overflow: hidden;
  visibility: hidden;
  width: 0;
  height: 0;
  font-size: 0;
  line-height: 0;
}

.hidden {
  visibility: hidden;
}

.gnbWrapper {
  min-width: 1280px !important;
}

h1.logo {
  position: absolute;
  top: 34px;
  left: 50px;
  z-index: 10;
}
h1.logo a {
  display: block;
  width: 240px;
  height: 33px;
  background: url(../images/logo.png) 0 0/100% auto no-repeat;
  text-indent: -9999px;
}
h1.logo a img {
  display: block;
}

.lnb_open h1.logo {
  display: none !important;
}

footer {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 146px;
  background: #000 url(../images/footer.png) 50% 50% no-repeat;
}
footer p {
  text-indent: -9999px;
}

#wrap {
  position: relative;
  margin: 0 auto;
  min-width: 1280px;
  max-width: 2560px;
  overflow: hidden;
}

section {
  position: relative;
}
section .bg,
section .overlay {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
  background-position: 50% 50%;
  background-size: cover;
  background-repeat: no-repeat;
}
section .obj {
  position: absolute;
  display: block;
  background-position: 50% 50%;
  background-size: cover;
  background-repeat: no-repeat;
}
section .inner {
  margin: 0 auto;
  max-width: 1280px;
}

.scroll_lock {
  width: 100%;
  height: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.popup {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 9999;
  overflow: auto;
}

.popup-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  height: 100%;
}

.popup-body {
  position: relative;
}

.popup-close {
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 80px;
  z-index: 1000;
}

.popup-image {
  cursor: pointer;
}

.popup-inline {
  display: none;
}

.popup-youtube .popup-body {
  max-width: 1440px;
  width: calc(100% - 130px);
  width: -webkit-calc(100% - 130px);
}
.popup-youtube .popup-body:before {
  content: "";
  display: block;
  padding-bottom: 56.25%;
}
.popup-youtube iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.popup-youtube .close {
  position: absolute;
  top: 0;
  right: -62px;
  width: 60px;
  height: 60px;
  border: 1px solid #bf2819;
  background: transparent;
}
.popup-youtube .close span {
  display: block;
  width: 100%;
  height: 100%;
}
.popup-youtube .close span::before, .popup-youtube .close span::after {
  position: absolute;
  top: 10%;
  left: 50%;
  content: "";
  height: 80%;
  width: 1px;
  background-color: #bf2819;
}
.popup-youtube .close span::before {
  transform: rotate(45deg);
}
.popup-youtube .close span::after {
  transform: rotate(-45deg);
}
.popup-youtube .close:hover span {
  background-color: #bf2819;
  border-color: #bf2819;
}
.popup-youtube .close:hover span::before, .popup-youtube .close:hover span::after {
  background-color: #fff;
}

#quick {
  position: fixed;
  top: 50%;
  right: 0;
  margin-right: 20px;
  margin-top: -100px;
  z-index: 99;
}
#quick .deco {
  position: relative;
  width: 221px;
  height: 368px;
  padding-top: 11px;
  padding-left: 10px;
  padding-bottom: 10px;
  background: url("../images/quick_deco.png") no-repeat;
  background-position-x: -5px;
  background-position-y: -3px;
}
#quick .deco button {
  background: url("../images/quick_bg.png") no-repeat;
  width: 203px;
  background-position-x: -10px;
  background-position-y: -10px;
}
#quick .deco button:hover, #quick .deco button.active {
  background-position-x: -233px;
}
#quick .deco .quick01 {
  height: 70px;
}
#quick .deco .quick02 {
  height: 70px;
  background-position-y: -80px;
}
#quick .deco .quick03 {
  height: 110px;
  background-position-y: -150px;
}
#quick .deco .top {
  height: 90px;
  background-position-y: -260px;
}

#visual {
  position: relative;
  width: 2560px;
  height: 885px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#visual .boss {
  position: absolute;
  top: 183px;
  right: 0px;
}
#visual .dust {
  position: absolute;
  top: -64px;
  right: 0px;
}
#visual .fire {
  position: absolute;
  top: 300px;
  right: 0px;
}
#visual .k1 {
  position: absolute;
  top: 333px;
  left: 964px;
  z-index: 2;
}
#visual .k2 {
  position: absolute;
  top: 329px;
  left: 959px;
  z-index: 3;
}
#visual .k3 {
  position: absolute;
  top: 460px;
  left: 904px;
  z-index: 2;
}
#visual .k4 {
  position: absolute;
  top: 454px;
  left: 900px;
  z-index: 3;
}
#visual .l1 {
  position: absolute;
  top: 333px;
  left: 1108px;
  z-index: 2;
}
#visual .l2 {
  position: absolute;
  top: 328px;
  left: 1104px;
  z-index: 3;
}
#visual .s1 {
  position: absolute;
  top: 331px;
  left: 1527px;
  z-index: 2;
}
#visual .s2 {
  position: absolute;
  top: 326px;
  left: 1522px;
  z-index: 3;
}
#visual .title .k1,
#visual .title .k3,
#visual .title .l1,
#visual .title .s1 {
  opacity: 0;
  animation: spark-reveal 0.08s steps(1, end) forwards;
}
#visual .title .k2,
#visual .title .k4,
#visual .title .l2,
#visual .title .s2 {
  opacity: 0;
}
#visual .title .k1 {
  animation-delay: 0s;
}
#visual .title .k3 {
  animation-delay: 0.08s;
}
#visual .title .l1 {
  animation-delay: 0.16s;
}
#visual .title .s1 {
  animation-delay: 0.24s;
}
#visual .title .k2 {
  animation: spark-reveal 0.08s steps(1, end) forwards, lamp-flicker-k2 2.4s steps(1, end) 0.42s infinite;
}
#visual .title .k4 {
  animation: spark-reveal 0.08s steps(1, end) 0.08s forwards, lamp-flicker-k4 2.9s steps(1, end) 0.56s infinite;
}
#visual .title .l2 {
  animation: spark-reveal 0.08s steps(1, end) 0.16s forwards, lamp-flicker-l2 3.3s steps(1, end) 0.71s infinite;
}
#visual .title .s2 {
  animation: spark-reveal 0.08s steps(1, end) 0.24s forwards, lamp-flicker-s2 2.6s steps(1, end) 0.9s infinite;
}
#visual .boom1 {
  position: absolute;
  top: 415px;
  left: 104px;
  opacity: 1;
  animation: boom-float-1 2.4s ease-in-out infinite alternate;
}
#visual .boom2 {
  position: absolute;
  top: 76px;
  right: 168px;
  opacity: 1;
  animation: boom-float-2 2.4s ease-in-out infinite alternate;
}
#visual .elec1 {
  position: absolute;
  top: 308px;
  left: 0;
  width: 529px;
  height: 593px;
}
#visual .elec1 .e1 {
  position: absolute;
  top: 270px;
  left: 87px;
  opacity: 0;
  animation: elec-reveal 0.06s steps(1, end) 0.06s forwards;
}
#visual .elec1 .e1_1 {
  position: absolute;
  top: 244px;
  left: 59px;
  opacity: 0;
  animation: elec1-flash-a 1.93s steps(1, end) 0.84s infinite;
}
#visual .elec1 .e2 {
  position: absolute;
  top: 155px;
  left: 0;
  opacity: 0;
  animation: elec-reveal 0.06s steps(1, end) 0.1s forwards;
}
#visual .elec1 .e2_1 {
  position: absolute;
  top: 129px;
  left: 2px;
  opacity: 0;
  animation: elec1-flash-b 2.27s steps(1, end) 0.92s infinite;
}
#visual .elec1 .e3 {
  position: absolute;
  top: 21px;
  left: 53px;
  opacity: 0;
  animation: elec-reveal 0.06s steps(1, end) 0.14s forwards;
}
#visual .elec1 .e3_1 {
  position: absolute;
  top: -5px;
  left: 27px;
  opacity: 0;
  animation: elec1-flash-c 2.41s steps(1, end) 1s infinite;
}
#visual .elec1 .e4 {
  position: absolute;
  top: 382px;
  left: 312px;
  opacity: 0;
  animation: elec-reveal 0.06s steps(1, end) 0.18s forwards;
}
#visual .elec1 .e4_1 {
  position: absolute;
  top: 356px;
  left: 287px;
  opacity: 0;
  animation: elec1-flash-a 1.93s steps(1, end) 0.84s infinite;
}
#visual .elec1 .e5 {
  position: absolute;
  top: 178px;
  left: 294px;
  opacity: 0;
  animation: elec-reveal 0.06s steps(1, end) 0.22s forwards;
}
#visual .elec1 .e5_1 {
  position: absolute;
  top: 150px;
  left: 269px;
  opacity: 0;
  animation: elec1-flash-b 2.27s steps(1, end) 0.92s infinite;
}
#visual .elec1 .e6 {
  position: absolute;
  top: 270px;
  left: 407px;
  opacity: 0;
  animation: elec-reveal 0.06s steps(1, end) 0.26s forwards;
}
#visual .elec1 .e6_1 {
  position: absolute;
  top: 244px;
  left: 379px;
  opacity: 0;
  animation: elec1-flash-b 2.27s steps(1, end) 0.92s infinite;
}
#visual .elec2 {
  position: absolute;
  top: 130px;
  right: 0px;
  width: 448px;
  height: 546px;
}
#visual .elec2 .e1 {
  position: absolute;
  top: 185px;
  left: 27px;
  opacity: 0;
  animation: elec-reveal 0.08s steps(1, end) 0.42s forwards;
}
#visual .elec2 .e1_1 {
  position: absolute;
  top: 159px;
  left: -2px;
  opacity: 0;
  animation: elec2-flash-a 2.03s steps(1, end) 1.2s infinite;
}
#visual .elec2 .e2 {
  position: absolute;
  top: 168px;
  left: 96px;
  opacity: 0;
  animation: elec-reveal 0.08s steps(1, end) 0.46s forwards;
}
#visual .elec2 .e2_1 {
  position: absolute;
  top: 142px;
  left: 70px;
  opacity: 0;
  animation: elec2-flash-b 2.31s steps(1, end) 1.28s infinite;
}
#visual .elec2 .e3 {
  position: absolute;
  top: 360px;
  left: 238px;
  opacity: 0;
  animation: elec-reveal 0.08s steps(1, end) 0.5s forwards;
}
#visual .elec2 .e3_1 {
  position: absolute;
  top: 334px;
  left: 211px;
  opacity: 0;
  animation: elec2-flash-c 2.57s steps(1, end) 1.36s infinite;
}
#visual .elec2 .e4 {
  position: absolute;
  top: 19px;
  left: 236px;
  opacity: 0;
  animation: elec-reveal 0.08s steps(1, end) 0.54s forwards;
}
#visual .elec2 .e4_1 {
  position: absolute;
  top: -8px;
  left: 211px;
  opacity: 0;
  animation: elec2-flash-a 2.03s steps(1, end) 1.2s infinite;
}
#visual .elec2 .e5 {
  position: absolute;
  top: 26px;
  right: 0px;
  opacity: 0;
  animation: elec-reveal 0.08s steps(1, end) 0.58s forwards;
}
#visual .elec2 .e5_1 {
  position: absolute;
  top: 0px;
  right: 0px;
  opacity: 0;
  animation: elec2-flash-b 2.31s steps(1, end) 1.28s infinite;
}
#visual .elec2 .e6 {
  position: absolute;
  top: 160px;
  right: 0px;
  opacity: 0;
  animation: elec-reveal 0.08s steps(1, end) 0.62s forwards;
}
#visual .elec2 .e6_1 {
  position: absolute;
  top: 133px;
  right: 0px;
  opacity: 0;
  animation: elec2-flash-c 2.57s steps(1, end) 1.36s infinite;
}

/* JS controlled electric sequence (intro burst + random flashes) */
#visual .elec1 img,
#visual .elec2 img {
  opacity: 0;
  animation: none !important;
  pointer-events: none;
  will-change: opacity, filter;
  filter: brightness(0.9) saturate(1);
  transform: translateZ(0);
}
#visual .elec1 img.electric-base-on,
#visual .elec2 img.electric-base-on {
  opacity: 1;
  transition: opacity 0.08s linear;
}
#visual .elec1 img.electric-flash-on,
#visual .elec2 img.electric-flash-on {
  opacity: 1;
  filter: brightness(1.8) saturate(1.4) drop-shadow(0 0 18px rgba(116, 229, 255, 0.9));
  transition: opacity 0.03s linear, filter 0.03s linear;
}
#visual .elec1 img.electric-flash-fade,
#visual .elec2 img.electric-flash-fade {
  opacity: 0;
  filter: brightness(1.1) saturate(1.1) drop-shadow(0 0 9px rgba(116, 229, 255, 0.4));
  transition: opacity 0.36s ease-out, filter 0.36s ease-out;
}

@keyframes spark-reveal {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes elec-reveal {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes boom-entry-left {
  0% {
    opacity: 0;
    translate: -520px 280px;
    rotate: -22deg;
  }
  15% {
    opacity: 1;
    translate: -430px 120px;
    rotate: -17deg;
  }
  30% {
    opacity: 1;
    translate: -320px -30px;
    rotate: -12deg;
  }
  50% {
    opacity: 1;
    translate: -215px -135px;
    rotate: -8deg;
  }
  68% {
    opacity: 1;
    translate: -105px -115px;
    rotate: -4deg;
  }
  82% {
    opacity: 1;
    translate: -28px -36px;
    rotate: -1deg;
  }
  92% {
    opacity: 1;
    translate: 0 0;
    rotate: 0deg;
  }
  100% {
    opacity: 1;
    translate: 0 0;
    rotate: 0deg;
  }
}
@keyframes boom-entry-right {
  0% {
    opacity: 0;
    translate: 520px 280px;
    rotate: 22deg;
  }
  15% {
    opacity: 1;
    translate: 430px 120px;
    rotate: 17deg;
  }
  30% {
    opacity: 1;
    translate: 320px -30px;
    rotate: 12deg;
  }
  50% {
    opacity: 1;
    translate: 215px -135px;
    rotate: 8deg;
  }
  68% {
    opacity: 1;
    translate: 105px -115px;
    rotate: 4deg;
  }
  82% {
    opacity: 1;
    translate: 28px -36px;
    rotate: 1deg;
  }
  92% {
    opacity: 1;
    translate: 0 0;
    rotate: 0deg;
  }
  100% {
    opacity: 1;
    translate: 0 0;
    rotate: 0deg;
  }
}
@keyframes boom-scale-pop {
  0% {
    scale: 0.12;
  }
  100% {
    scale: 1;
  }
}
@keyframes boom-float-1 {
  from {
    translate: 0px -32px;
  }
  to {
    translate: 0px 32px;
  }
}
@keyframes boom-float-2 {
  from {
    translate: 0px 26px;
  }
  to {
    translate: 0px -26px;
  }
}
@keyframes elec1-flash-a {
  0%, 100% {
    opacity: 0;
  }
  6%, 8% {
    opacity: 1;
  }
  11%, 13% {
    opacity: 1;
  }
  16%, 18% {
    opacity: 1;
  }
  34%, 36% {
    opacity: 1;
  }
  58%, 60% {
    opacity: 1;
  }
}
@keyframes elec1-flash-b {
  0%, 100% {
    opacity: 0;
  }
  8%, 10% {
    opacity: 1;
  }
  13%, 15% {
    opacity: 1;
  }
  19%, 21% {
    opacity: 1;
  }
  31%, 33% {
    opacity: 1;
  }
  47%, 49% {
    opacity: 1;
  }
  73%, 75% {
    opacity: 1;
  }
}
@keyframes elec1-flash-c {
  0%, 100% {
    opacity: 0;
  }
  7%, 9% {
    opacity: 1;
  }
  15%, 17% {
    opacity: 1;
  }
  22%, 24% {
    opacity: 1;
  }
  39%, 41% {
    opacity: 1;
  }
  68%, 70% {
    opacity: 1;
  }
}
@keyframes elec1-flash-d {
  0%, 100% {
    opacity: 0;
  }
  6%, 8% {
    opacity: 1;
  }
  12%, 14% {
    opacity: 1;
  }
  17%, 19% {
    opacity: 1;
  }
  27%, 29% {
    opacity: 1;
  }
  55%, 57% {
    opacity: 1;
  }
}
@keyframes elec2-flash-a {
  0%, 100% {
    opacity: 0;
  }
  9%, 11% {
    opacity: 1;
  }
  14%, 16% {
    opacity: 1;
  }
  22%, 24% {
    opacity: 1;
  }
  35%, 37% {
    opacity: 1;
  }
  62%, 64% {
    opacity: 1;
  }
}
@keyframes elec2-flash-b {
  0%, 100% {
    opacity: 0;
  }
  7%, 9% {
    opacity: 1;
  }
  12%, 14% {
    opacity: 1;
  }
  18%, 20% {
    opacity: 1;
  }
  32%, 34% {
    opacity: 1;
  }
  52%, 54% {
    opacity: 1;
  }
  79%, 81% {
    opacity: 1;
  }
}
@keyframes elec2-flash-c {
  0%, 100% {
    opacity: 0;
  }
  11%, 13% {
    opacity: 1;
  }
  16%, 18% {
    opacity: 1;
  }
  24%, 26% {
    opacity: 1;
  }
  38%, 40% {
    opacity: 1;
  }
  67%, 69% {
    opacity: 1;
  }
}
@keyframes elec2-flash-d {
  0%, 100% {
    opacity: 0;
  }
  8%, 10% {
    opacity: 1;
  }
  15%, 17% {
    opacity: 1;
  }
  21%, 23% {
    opacity: 1;
  }
  34%, 36% {
    opacity: 1;
  }
  59%, 61% {
    opacity: 1;
  }
}
@keyframes lamp-flicker-k2 {
  0%, 100% {
    opacity: 0;
  }
  12%, 14% {
    opacity: 1;
  }
  20%, 22% {
    opacity: 1;
  }
  25%, 27% {
    opacity: 1;
  }
  45%, 47% {
    opacity: 1;
  }
}
@keyframes lamp-flicker-k4 {
  0%, 100% {
    opacity: 0;
  }
  9%, 11% {
    opacity: 1;
  }
  17%, 19% {
    opacity: 1;
  }
  23%, 25% {
    opacity: 1;
  }
  53%, 55% {
    opacity: 1;
  }
}
@keyframes lamp-flicker-l2 {
  0%, 100% {
    opacity: 0;
  }
  15%, 17% {
    opacity: 1;
  }
  21%, 23% {
    opacity: 1;
  }
  27%, 29% {
    opacity: 1;
  }
  59%, 61% {
    opacity: 1;
  }
}
@keyframes lamp-flicker-s2 {
  0%, 100% {
    opacity: 0;
  }
  11%, 13% {
    opacity: 1;
  }
  16%, 18% {
    opacity: 1;
  }
  24%, 26% {
    opacity: 1;
  }
  49%, 51% {
    opacity: 1;
  }
}
#section1 {
  position: relative;
  width: 2560px;
  height: 6008px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#section1 .cha1 {
  position: absolute;
  top: 1158px;
  right: 190px;
}
#section1 .cha2 {
  position: absolute;
  top: 708px;
  left: 56px;
}
#section1 .cha3 {
  position: absolute;
  top: 2496px;
  left: 335px;
}
#section1 .deco1 {
  position: absolute;
  top: 3474px;
  right: 196px;
  /* animation: floating 3.6s ease-in-out infinite; */
}
#section1 .deco2 {
  position: absolute;
  top: 4909px;
  right: 13px;
  /* animation: floating 3.6s ease-in-out infinite; */
}
#section1 .stone_part {
  position: absolute;
  top: 5546px;
  left: 555px;
}

@keyframes floating {
  0%, 100% {
    transform: translate3d(0, 0, 0);
  }
  25% {
    transform: translate3d(0, -12px, 0);
  }
  50% {
    transform: translate3d(0, 4px, 0);
  }
  75% {
    transform: translate3d(0, -6px, 0);
  }
}
#section2 {
  position: relative;
  width: 2560px;
  height: 1600px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#section3 {
  position: relative;
  width: 2560px;
  height: 1524px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#section3 .btn_wrapper {
  position: absolute;
  top: 1219px;
  left: 835px;
  display: flex;
  gap: 70px;
}
#section3 .btn_wrapper button {
  width: 431px;
  height: 112px;
}
#section3 .btn_wrapper .more_btn {
  background-image: url("../images/more_btn.png");
  background-position: -10px -10px;
}
#section3 .btn_wrapper .more_btn:hover {
  background-position: -10px -142px;
}
#section3 .btn_wrapper .preview_btn {
  background-image: url("../images/preview_btn.png");
  background-position: -10px -10px;
}
#section3 .btn_wrapper .preview_btn:hover {
  background-position: -10px -142px;
}

#wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}
#wrap picture {
  display: inline-block;
}
#wrap {
  background-color: black;
}

.blind {
  position: absolute;
  width: 0;
  line-height: 0;
  height: 0;
  font-size: 0;
  top: 0;
  left: -9999px;
  overflow: hidden;
}

.util {
  position: absolute;
  top: 30px;
  right: 30px;
  z-index: 100;
}
.util a,
.util button {
  background: url("../images/spr_util.png") 0 0 no-repeat;
  text-indent: -9999px;
}
.util > div {
  display: flex;
  gap: 4px;
}
.util .btn_start {
  display: block;
  width: 190px;
  height: 40px;
}
.util .btn_start:hover {
  background-position-y: -71px;
}
.util .btn_home {
  display: block;
  width: 40px;
  height: 40px;
  background-position-x: -194px;
}
.util .btn_home:hover {
  background-position-y: -71px;
}
.util .btn_hide {
  margin-top: 10px;
  width: 234px;
  height: 14px;
  background-position-y: -48px;
}
.util .btn_hide:hover {
  background-position-y: -119px;
}

main {
  height: 10019px;
  background-image: url("../images/bg.jpg");
  background-size: cover;
}

footer {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  text-align: center;
  background: #000;
}
footer img {
  display: inline-block;
}