:root {
  --white: #FFFFFF;
  --black: #323232;
  --blue: #0043A3;
  --gray: #F2F2F2;
  --base-width: 89.333%;
}

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

* {
  margin: 0;
  min-height: 0vw;
}

img,
picture,
video,
canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

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

ul,
ol {
  padding: 0;
  list-style: none;
}

body {
  width: 100%;
  margin: 0;
  padding: 0;
  color: var(--black);
  background-color: var(--white);
  font-family: "Noto Sans JP", sans-serif;
  font-size: var(--body);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: var(--base-width);
  max-width: 1200px;
  margin-right: auto;
  margin-left: auto;
}
.container--narrow {
  max-width: 1000px;
}

.section {
  position: relative;
}
.section--jigyo {
  padding-top: 43px;
  padding-bottom: 48px;
  background-image: url(../images/pattern2.png);
}
@media (min-width: 769px) {
  .section--jigyo {
    padding-top: 95px;
    padding-bottom: 150px;
  }
}
.section--strengths {
  padding-top: 50px;
  padding-bottom: 60px;
  background-image: url(../images/strengths-sp.jpg);
  background-size: 100%;
  background-position: center top;
}
@media (min-width: 769px) {
  .section--strengths {
    padding-top: 95px;
    padding-bottom: 100px;
    background-image: url(../images/strengths.jpg);
    background-repeat: repeat-x;
    background-size: cover;
    background-position: center;
  }
}
.section--links {
  padding: 45px 0 50px;
  background-image: url(../images/pattern2.png);
}
@media (min-width: 769px) {
  .section--links {
    padding: 95px 0 105px;
  }
}

.loading-mask--hide {
  display: none;
}

.swiper-slide picture > img {
  width: 100%;
}

.swiper-pagination {
  width: auto !important;
  position: absolute;
  top: auto !important;
  left: 50% !important;
  bottom: 2% !important;
  transform: translateX(-50%);
}
@media (min-width: 769px) {
  .swiper-pagination {
    bottom: 4% !important;
  }
}
@media (min-width: 1025px) {
  .swiper-pagination {
    bottom: 100px !important;
    bottom: min(100px, 5.2083333333vw) !important;
    left: calc(50% - min(490px, 25.5208333333vw)) !important;
    left: calc(50% - clamp(20.625rem, 9.173rem + 17.877vw, 30.625rem)) !important;
    transform: none;
  }
}

.swiper-pagination-bullet {
  --swiper-theme-color: #FFF;
  --swiper-pagination-bullet-size: 11px;
  --swiper-pagination-bullet-width: 11px;
  --swiper-pagination-bullet-height: 11px;
  margin: 0 18px !important;
  border: 1px solid var(--swiper-theme-color);
  opacity: 1;
}
@media (min-width: 769px) {
  .swiper-pagination-bullet {
    --swiper-pagination-bullet-size: 15px;
    --swiper-pagination-bullet-width: 15px;
    --swiper-pagination-bullet-height: 15px;
    margin: 0 15px !important;
    border: 2px solid var(--swiper-theme-color);
  }
}

.hexagon {
  width: 100px;
  position: absolute;
}
.hexagon::before {
  content: "";
  padding-top: 100%;
}
.hexagon > img {
  width: 100%;
  height: 100%;
}

@media (min-width: 769px) {
  .br-sp {
    display: none;
  }
}

@media (max-width: 768px) {
  .br-pc {
    display: none;
  }
}

a[href="/contact/"] {
  display: flex;
  align-items: baseline;
}
a[href="/contact/"]::after {
  content: "";
  display: inline-block;
  width: 0.8em;
  height: 0.8em;
  margin-left: 0.3em;
  background-color: currentColor;
  mask-image: url(../images/external.svg);
  mask-repeat: no-repeat;
  mask-size: contain;
}

.heading {
  margin-bottom: 1.2em;
  font-size: 40px;
  font-size: clamp(1.875rem, 1.279rem + 2.545vw, 2.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.3em;
  text-align: center;
}
@media (min-width: 769px) {
  .heading {
    margin-bottom: 0.6em;
  }
}
.heading::after {
  content: attr(data-stitle);
  display: block;
  font-size: 60%;
  font-weight: 400;
  line-height: 2.3;
  letter-spacing: 0.05em;
}
@media (max-width: 768px) {
  .heading::after {
    margin-top: 0.3em;
  }
}
.heading--color_white {
  color: #FFF;
}

.header {
  width: 100%;
  height: 70px;
  position: fixed;
  top: 0;
  z-index: 11;
}
@media (min-width: 1025px) {
  .header {
    height: 80px;
  }
}
.header--flow {
  background-color: #FFF;
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  position: relative;
}
.header__logo > img {
  width: min(41.6vw, 224px);
}
.header__menu {
  flex: 1;
}
@media (max-width: 1024px) {
  .header__nav {
    width: 100vw;
    height: 100lvh;
    padding-top: 100px;
    padding-bottom: 100px;
    background: linear-gradient(#000, #171717);
    color: var(--white);
    display: none;
    flex-direction: column;
    align-items: center;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    overflow: scroll;
  }
  .menu__check:checked ~ .header__nav {
    display: flex;
  }
}
.header__nav > img {
  flex-shrink: 0;
}
.header__nav-logo {
  display: none;
}
.menu__check:checked ~ .header__nav .header__nav-logo {
  display: block;
}
.header__menu-list {
  margin-top: 120px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
@media (min-width: 1025px) {
  .header__menu-list {
    margin: 0;
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    gap: 42px;
  }
}
.header__menu-list li {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
@media (min-width: 1025px) {
  .header__menu-list li {
    font-size: 18px;
  }
}
@media (max-width: 1024px) {
  .header__menu-list li + li {
    margin-top: 1em;
  }
}
.header__menu-list li a {
  position: relative;
}
.header__menu-list li a::before {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  position: absolute;
  bottom: -5px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s;
}
.header__menu-list li a:hover::before {
  transform: scale(1);
  transform-origin: left;
}

.menu__check {
  display: none;
}
.menu__button {
  height: 35px;
  width: 25px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: 16px;
  right: 0;
  z-index: 99;
}
@media (min-width: 1025px) {
  .menu__button {
    display: none;
  }
}
.menu__button span,
.menu__button span::before,
.menu__button span::after {
  content: "";
  display: block;
  height: 1px;
  width: 25px;
  background-color: #000;
  position: absolute;
}
.menu__check:checked ~ .menu__button span {
  background-color: rgba(255, 255, 255, 0);
}
.menu__button span::before {
  bottom: 11px;
}
.menu__check:checked ~ .menu__button span::before {
  background-color: var(--white);
  bottom: 0;
  transform: rotate(45deg);
}
.menu__button span::after {
  top: 11px;
}
.menu__check:checked ~ .menu__button span::after {
  background-color: var(--white);
  top: 0;
  transform: rotate(-45deg);
}

.mainvisual {
  background-image: url(../images/pattern1.png);
  position: relative;
}
@media (min-width: 1025px) {
  .mainvisual {
    height: 45.4166666667vw;
    height: clamp(33.125rem, 8.645rem + 38.212vw, 54.5rem);
  }
}
.mainvisual::after {
  content: "";
  display: block;
  width: 100%;
  padding-top: 14.3229166667%;
  background-image: linear-gradient(#171717, #000);
  position: relative;
}
@media (min-width: 1025px) {
  .mainvisual::after {
    position: absolute;
    bottom: 0;
  }
}
@media (min-width: 1920px) {
  .mainvisual::after {
    width: 100%;
    height: 275px;
    padding: 0;
  }
}
.mainvisual__slide-wrap {
  position: relative;
  filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.2));
  /* &::after {

    @media (min-width: 1025px) {
      content: '';
      display: block;
      width: 100%;
      height: 100%;
      background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.7) 0%, transparent 40%);
      position: absolute;
      top: 0;
      left: 0;
      z-index: 1;
      //pointer-events: none;
    }

  } */
}
@media (max-width: 1024px) {
  .mainvisual__slide-wrap {
    margin-top: 27px;
  }
}
@media (min-width: 1025px) {
  .mainvisual__slide-wrap {
    width: 62.5vw;
    position: absolute;
    right: 0;
    bottom: 100px;
    bottom: clamp(3.125rem, -0.454rem + 5.587vw, 6.25rem);
    z-index: 1;
  }
}
@media (min-width: 1920px) {
  .mainvisual__slide-wrap {
    width: 1200px;
    right: auto;
    left: calc(50% - 240px);
  }
}
.mainvisual__slide-wrap::before {
  content: "";
  display: block;
  padding-top: 106.6666666667%;
}
@media (min-width: 769px) {
  .mainvisual__slide-wrap::before {
    padding-top: 56.25%;
  }
}
.mainvisual__slide {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
}
.mainvisual__content {
  width: var(--base-width);
  margin: 0 auto;
  padding-top: clamp(10.625rem, 4.065rem + 27.99vw, 17.5rem);
  position: relative;
  z-index: 2;
}
@media (min-width: 1025px) {
  .mainvisual__content {
    width: auto;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.6);
    position: absolute;
    bottom: 413px;
    bottom: clamp(12.5rem, -2.746rem + 23.799vw, 25.8125rem);
    left: calc(50% - 622px);
    left: calc(50% - clamp(23.125rem, 5.088rem + 28.156vw, 38.875rem));
  }
}
.mainvisual__title {
  font-size: 30px;
  font-size: clamp(1.5625rem, 1.382rem + 0.769vw, 1.875rem);
  font-weight: 900;
  line-height: 1.75;
  letter-spacing: 0.1em;
  color: #171717;
}
@media (min-width: 1025px) {
  .mainvisual__title {
    font-size: 50px;
    font-size: clamp(1.875rem, 0.443rem + 2.235vw, 3.125rem);
    line-height: 1.6;
  }
}
.mainvisual__text {
  margin-top: 0.5em;
  font-size: 18px;
  font-size: clamp(0.875rem, 0.814rem + 0.259vw, 1.125rem);
  line-height: 1.67;
  letter-spacing: 0.035em;
  color: #171717;
}
@media (min-width: 1025px) {
  .mainvisual__text {
    font-size: clamp(0.6875rem, 0.187rem + 0.782vw, 1.125rem);
  }
}
.mainvisual__object {
  width: 90px;
  width: clamp(5.625rem, -0.041rem + 24.173vw, 11.5625rem);
  position: absolute;
  top: 75px;
  left: 5.333%;
}
@media (min-width: 1025px) {
  .mainvisual__object {
    width: clamp(11.5625rem, -6.777rem + 28.627vw, 16.125rem);
    left: 2%;
  }
}
@media (min-width: 1280px) {
  .mainvisual__object {
    top: auto;
    bottom: min(25.5208333333vw, 490px);
    left: clamp(0.9375rem, -21.063rem + 27.5vw, 4.375rem);
  }
}
@media (min-width: 1480px) {
  .mainvisual__object {
    left: calc(50% - clamp(41.6875rem, 10.363rem + 33.864vw, 51rem));
  }
}

.scroll-down {
  display: none;
}
@media (min-width: 1025px) {
  .scroll-down {
    display: block;
    position: absolute;
    top: clamp(25rem, 3.884rem + 32.961vw, 43.4375rem);
    left: calc(50% - clamp(29.125rem, 5.934rem + 36.201vw, 49.375rem));
  }
  .scroll-down__text {
    color: #FFF;
    font-size: 14px;
    letter-spacing: 0.3em;
    writing-mode: vertical-rl;
  }
  .scroll-down::before {
    content: "";
    display: block;
    width: 1px;
    height: 350px;
    height: clamp(12.5rem, 1.763rem + 16.76vw, 21.875rem);
    background-color: #636363;
    position: absolute;
    left: -15px;
  }
  .scroll-down::after {
    content: "";
    display: block;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background-color: #FFF;
    position: absolute;
    top: 12px;
    left: -20px;
    animation: topdown 2.5s infinite;
    mix-blend-mode: difference;
  }
}

@keyframes topdown {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(clamp(10.625rem, -0.112rem + 16.76vw, 20rem));
  }
}
.jigyo {
  overflow: hidden;
}
.jigyo__hexa1 {
  display: none;
}
@media (min-width: 1025px) {
  .jigyo__hexa1 {
    display: block;
    width: 69px;
    position: absolute;
    top: 326px;
    left: calc(50% - 635px);
    left: calc(50% - clamp(32.8125rem, 17.325rem + 24.176vw, 39.6875rem));
    z-index: 3;
  }
}
.jigyo__hexa2 {
  display: none;
}
@media (min-width: 1025px) {
  .jigyo__hexa2 {
    display: block;
    width: 86.25px;
    position: absolute;
    top: 170px;
    left: calc(50% - 427px);
    left: calc(50% - clamp(19.8125rem, 4.325rem + 24.176vw, 26.6875rem));
  }
}
.jigyo__hexa3 {
  display: none;
}
@media (min-width: 1025px) {
  .jigyo__hexa3 {
    display: block;
    width: 172.5px;
    top: 191px;
    left: calc(50% - 660px);
    left: calc(50% - clamp(34.375rem, 18.887rem + 24.176vw, 41.25rem));
  }
}
.jigyo__hexa4 {
  display: none;
}
@media (min-width: 1025px) {
  .jigyo__hexa4 {
    display: block;
    width: 69px;
    position: absolute;
    top: 943px;
    left: calc(50% + 566px);
    left: calc(50% + clamp(27.25rem, 8.947rem + 28.571vw, 35.375rem));
    z-index: 3;
  }
}

.content {
  width: 100%;
  position: relative;
}
@media (min-width: 1025px) {
  .content::before {
    content: "";
    display: block;
    width: calc(100% - 260px);
    width: auto;
    height: 260px;
    background: #0B0B0B;
    position: absolute;
    right: 40px;
    left: 0;
    bottom: -50px;
  }
}
@media (min-width: 1480px) {
  .content::before {
    width: auto;
    right: calc(50% - 700px);
    left: 0;
  }
}
.content--reverse::before {
  right: 0;
  left: 40px;
}
@media (min-width: 1480px) {
  .content--reverse::before {
    left: calc(50% - 700px);
  }
}
.content__inner {
  width: var(--base-width);
  max-width: 1200px;
  min-height: 468px;
  margin: 0 auto;
  position: relative;
}
@media (min-width: 1025px) {
  .content__body {
    width: 100%;
    margin: 0;
    position: absolute;
    bottom: 53px;
    left: 0;
    z-index: 2;
  }
}
@media (min-width: 1280px) {
  .content__body {
    left: 0;
  }
}
.content--reverse .content__body {
  right: 0;
  left: auto;
}
@media (min-width: 1025px) {
  .content__image {
    position: absolute;
    top: 0;
    right: 45px;
    z-index: 1;
  }
  .content--reverse .content__image {
    left: 45px;
  }
}
@media (min-width: 1281px) {
  .content__image {
    right: 0;
  }
  .content--reverse .content__image {
    left: 0;
  }
}
.content__figure {
  position: relative;
}
@media (max-width: 1024px) {
  .content__figure > img {
    width: 100%;
  }
}
.content__figure figcaption {
  position: absolute;
  top: -15px;
  right: 28px;
}
@media (min-width: 1025px) {
  .content__figure figcaption {
    top: -58px;
    right: 8.014%;
  }
}
.content__figure figcaption > img {
  width: min(50.6666666667vw, 417px);
}
.content--reverse .content__figure figcaption {
  top: -15px;
  right: 5.725%;
}
@media (min-width: 1025px) {
  .content--reverse .content__figure figcaption {
    top: -37px;
    right: auto;
    left: 24px;
  }
}
.content--reverse .content__figure figcaption img {
  width: min(78.4vw, 588px);
}
.content + .content {
  margin-top: 30px;
}
@media (min-width: 1025px) {
  .content + .content {
    margin-top: 150px;
  }
}

.shape {
  display: none;
}
@media (min-width: 1025px) {
  .shape {
    display: block;
    width: auto;
    height: 358px;
    margin: 0 auto;
    position: absolute;
    right: 40px;
    bottom: 360px;
    left: 40px;
    overflow: hidden;
  }
}
@media (min-width: 1480px) {
  .shape {
    width: 1400px;
  }
}

.content-box {
  padding: 22px 5%;
  background-color: rgba(255, 255, 255, 0.9);
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}
@media (min-width: 1025px) {
  .content-box {
    width: 615px;
    padding: 40px 50px;
  }
}
.content-box__heading {
  margin-bottom: 0.6em;
  font-size: 30px;
  font-size: clamp(1.4375rem, 1.02rem + 1.781vw, 1.875rem);
  font-weight: 900;
  letter-spacing: 0;
}
@media (min-width: 1025px) {
  .content-box__heading {
    margin-bottom: 1em;
  }
}
.content-box__text {
  font-size: 16px;
  font-weight: 400;
  line-height: 2.25;
  letter-spacing: 0;
}

.cards {
  margin-top: 33px;
}
@media (min-width: 769px) {
  .cards {
    display: flex;
    justify-content: space-between;
  }
}
.cards__item {
  padding-top: 40px;
}
@media (min-width: 769px) {
  .cards__item {
    width: 30.5%;
    max-width: 100%;
  }
}
@media (max-width: 768px) {
  .cards__item + .cards__item {
    margin-top: 10px;
  }
}

.strength {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}
.strength::after {
  content: "";
  display: block;
  width: calc(100% - 10px);
  height: calc(100% - 10px);
  border: 1px solid currentColor;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.strength__no {
  position: absolute;
  top: -40px;
  left: calc(50% - 34.5px);
  z-index: 1;
}
.strength__figure > img {
  width: 100%;
}
.strength__body {
  flex: 1;
  padding: clamp(1.25rem, -0.205rem + 7.273vw, 1.5rem) clamp(1.25rem, -4.205rem + 27.273vw, 2.1875rem);
  background-color: #FFF;
  background-image: url(../images/pattern2.png);
}
@media (min-width: 769px) {
  .strength__body {
    padding: clamp(1.25rem, 0.496rem + 1.569vw, 1.5rem) clamp(1.25rem, -1.577rem + 5.882vw, 2.1875rem);
  }
}
.strength__heading {
  font-size: 20px;
  font-weight: bold;
  line-height: 1.5;
  letter-spacing: 0;
  text-align: center;
}
.strength__text {
  margin-top: 1.1em;
  font-size: 16px;
  line-height: 1.625;
  letter-spacing: 0;
}

.hexa-no {
  width: 69px;
}
.hexa-no::before {
  content: "";
  display: block;
  padding-top: 115.9420289855%;
}
.hexa-no__text {
  font-size: 30px;
  font-weight: 900;
  font-style: italic;
  letter-spacing: 0;
  color: var(--white);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-60%, -50%);
  z-index: 1;
}
.hexa-no__shape {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@media (min-width: 769px) {
  .access {
    display: flex;
    flex-direction: row-reverse;
  }
  .access > * {
    width: 50%;
    flex: 0 1 auto;
  }
}
.access__map {
  position: relative;
}
@media (min-width: 1025px) {
  .access__map {
    height: 476px;
  }
}
.access__map::before {
  content: "";
  display: block;
  padding-top: 100%;
  filter: grayscale(100%);
}
@media (min-width: 769px) {
  .access__map::before {
    padding-top: 0;
  }
}
.access__map > iframe {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  filter: grayscale(100%);
}
.access__body {
  background-color: #2C2C2C;
}

.data-list {
  width: var(--base-width);
  margin-right: auto;
  margin-left: auto;
  padding: 1em 0;
  color: #FFF;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
}
@media (min-width: 769px) {
  .data-list {
    width: 600px;
    max-width: 100%;
    margin-right: 0;
    padding: 20px 0 20px 20px;
    line-height: 2.25;
  }
}
@media (min-width: 1025px) {
  .data-list {
    padding: 90px 0 20px 20px;
  }
}
@media (min-width: 1025px) {
  .data-list__row {
    display: flex;
  }
}
.data-list__row + .data-list__row {
  margin-top: 0.8em;
}
@media (min-width: 1025px) {
  .data-list__row + .data-list__row {
    margin-top: 0.6em;
  }
}
.data-list__title {
  width: 114px;
}
.data-list__desc {
  flex: 1;
}

.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 25px;
}
@media (min-width: 769px) {
  .links {
    gap: 50px;
  }
}
.links li a {
  position: relative;
  transition: filter 0.25s;
}
@media (max-width: 768px) {
  .links li a {
    filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.2));
  }
  .links li a::after {
    content: "";
    width: 100%;
    height: 5px;
    background-color: #0B0B0B;
    position: absolute;
    bottom: 0;
    left: 0;
  }
}
@media (hover: hover) {
  .links li a:hover {
    opacity: 1;
    filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.2));
  }
  .links li a:hover::after {
    content: "";
    width: 100%;
    height: 5px;
    background-color: #0B0B0B;
    position: absolute;
    bottom: 0;
    left: 0;
  }
}

.footer {
  padding: 100px 0 0;
  background-image: linear-gradient(#171717, #000);
}
.footer__inner {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 50px 0;
}
@media (min-width: 1025px) {
  .footer__inner {
    justify-content: normal;
  }
}
.footer__logo {
  text-align: center;
}
@media (min-width: 769px) {
  .footer__logo {
    width: 100%;
  }
}
@media (min-width: 1025px) {
  .footer__logo {
    width: auto;
    padding-right: 50px;
    border-right: 1px solid #FFF;
  }
}
.footer__logo > img {
  display: inline-block;
}
.footer__nav {
  display: none;
}
@media (min-width: 769px) {
  .footer__nav {
    display: block;
    flex: 1;
  }
}
@media (min-width: 1025px) {
  .footer__nav {
    padding-left: 50px;
  }
}
.footer__menu-list {
  width: 100%;
  height: 100%;
  color: #FFF;
  display: flex;
  align-items: center;
  gap: 2em;
}
@media (max-width: 1024px) {
  .footer__menu-list {
    justify-content: center;
  }
}
.footer__menu-list li {
  font-size: 16px;
  line-height: 1;
  letter-spacing: 0;
}
.footer__menu-list li a {
  position: relative;
}
.footer__menu-list li a::before {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  position: absolute;
  bottom: -5px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s;
}
.footer__menu-list li a:hover::before {
  transform: scale(1);
  transform-origin: left;
}
.footer__top-button {
  display: none;
}
@media (min-width: 769px) {
  .footer__top-button {
    display: block;
    flex-shrink: 0;
  }
}
.footer__copyright {
  margin-top: 100px;
  padding: 0.7em 0;
  border-top: 1px solid currentColor;
  font-size: 14px;
  line-height: 1;
  letter-spacing: 0.1em;
  color: #FFF;
  text-align: center;
  display: block;
}

.top-button {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: #FFF;
  background-image: url(../images/arrow.svg);
  background-repeat: no-repeat;
  background-position: center;
  cursor: pointer;
}