#mv {
  background: #000;
  display: grid;
  place-items: center;
  height: 100dvh;
  color: var(--color-white);
}
#mv h1 {
  font-size: 3.6em;
  letter-spacing: 5px;
  opacity: 0;
}
#mv.visible article h1 {
  -webkit-animation: mv 2s ease 1 0s forwards;
  animation: mv 2s ease 1 0s forwards;
}
#mv h1 i {
  font-style: normal;
  letter-spacing: -0.8em;
}
#mv h1::after {
  display: none;
}
#mv p {
  text-align: center;
  font-size: 1.2em;
  margin-top: 60px;
  opacity: 0;
}
#mv.visible article p {
  -webkit-animation: mv 2s ease 1 2s forwards;
  animation: mv 2s ease 1 2s forwards;
}
#mv > div {
  position: absolute;
  height: 100%;
  width: 120%;
  right: -20%;
  opacity: 0;
  background: url(../_img/mv.webp) center center / cover no-repeat;
}
#mv.visible > div {
  -webkit-animation: mv-bg 8s ease 1 1s forwards;
  animation: mv-bg 8s ease 1 1s forwards;
}

@-webkit-keyframes mv {
  0% {
    opacity: 0;
    -webkit-filter: blur(5px);
    filter: blur(5px);
  }
  100% {
    opacity: 1;
    -webkit-filter: blur(0);
    filter: blur(0);
  }
}

@keyframes mv {
  0% {
    opacity: 0;
    -webkit-filter: blur(5px);
    filter: blur(5px);
  }
  100% {
    opacity: 1;
    -webkit-filter: blur(0);
    filter: blur(0);
  }
}
@-webkit-keyframes mv-bg {
  0% {
    opacity: 0;
    right: -20%;
  }
  100% {
    opacity: 1;
    right: 0;
  }
}
@keyframes mv-bg {
  0% {
    opacity: 0;
    right: -20%;
  }
  100% {
    opacity: 1;
    right: 0;
  }
}

#terrajet h1 img {
  max-width: 400px;
}
:is(.lead, .lead-2) {
  color: var(--color-red);
  text-align: center;
  font-size: 1.6em;
  padding: var(--padding) 0;
}
.lead-2 {
  font-size: 1.2em;
  padding: var(--padding) 0 0 0;
}

#scene {
  background: url(../_img/scene_human.svg) left 48% top 65% / 14% no-repeat;
  top: -65px;
}
#scene ul {
  margin-left: auto;
  margin-right: auto;
}
#scene ul:nth-of-type(1) {
  max-width: 640px;
}
#scene ul:nth-of-type(2) {
  max-width: 900px;
}
#scene ul:nth-of-type(3) {
  max-width: 800px;
}
#scene li:nth-of-type(odd) {
  text-align: left;
}
#scene li:nth-of-type(even) {
  text-align: right;
}
#scene li img {
  max-width: 300px;
}

#case {
  padding-top: 0;
}
#case dl {
  padding-bottom: 60px;
}
#case dl dt {
  width: 220px;
  background: var(--color-red);
  color: var(--color-white);
  font-size: 1.4em;
  line-height: 1.1;
  padding: 10px;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
#case dl dd {
  margin-top: var(--margin);
  text-align: center;
}
#case dl dd figure {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
#case dl dd h3 {
  text-align: center;
  font-size: 1.4em;
}
#case dl dd p {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

#case .button {
  color: var(--color-white);
  font-size: 1.4em;
}

#about article {
}
#about article h3 {
  font-size: 2em;
  padding: 0 60px 0 calc(30% + 30px);
}
#about article h3 span {
  padding: 0;
  color: var(--color-black);
}
#about article > figure {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  left: 60px;
  top: 10px;
  padding: 20px;
  background: var(--color-black);
  -webkit-clip-path: circle(50%);
  clip-path: circle(50%);
  width: 20%;
  z-index: 5;
  aspect-ratio: 1;
}
#about article > figure img {
  min-width: auto;
  max-width: 60%;
}
#about article:nth-of-type(2) > figure img {
  max-width: 70%;
}
#about article:nth-of-type(3) > figure img {
  max-width: 80%;
}
#about article .content {
  padding: 40px 60px;
  min-height: 180px;
  background: var(--color-lightgray);
}
#about article .content::before {
  content: "";
  background: var(--color-lightgray);
  position: absolute;
  width: 100dvw;
  height: 100%;
  top: 0;
  left: -50dvw;
}
#about article .content p {
  padding-left: 30%;
}
#about article .content ul li {
  border: solid 1px var(--color-gray);
  padding: var(--padding);
}
#about article .content ul li h5 {
  text-align: center;
  margin-bottom: 40px;
}
#about article .content ul li img {
  width: 20%;
  padding: 10px 5px;
  margin: 0;
  vertical-align: middle;
}
#about article .content ul li:first-of-type img:last-of-type {
  padding: 15px;
}
#about article .content ul li:last-of-type img:first-of-type {
  width: 25%;
}

#data .data {
  border-top: dashed 1pt var(--color-black);
  padding: 10px 0;
}
#data .data + .data,
#data .data div {
  margin-top: 0;
}
#data .data article {
  padding: var(--padding) calc(var(--padding) * 2);
}
#data .data article.article-1 {
  border-bottom: dashed 1pt var(--color-black);
  margin-right: 10px;
  padding-top: 5px;
  padding-bottom: 25px;
}
#data .data > div {
  padding: 10px 0 0 0;
}
#data .data > div > div {
  margin-top: 10px;
  margin-bottom: -10px;
}
#data .data > div:nth-of-type(2),
#data .data article.article-3 {
  border-left: dashed 1pt var(--color-black);
}
#data .data article.article-8 {
  border-top: dashed 1pt var(--color-black);
}
#data .data p {
  margin-top: 0;
  line-height: 1.1;
  font-size: 2em;
}
#data .data p strong {
  font-family: "Roboto", "Noto Sans JP", sans-serif;
  font-weight: 900;
  font-size: 2em;
  letter-spacing: -2px;
  padding-right: 2px;
  color: var(--color-red);
}
#data .data p i {
  font-style: normal;
}
#data .data p span {
  background: var(--color-red);
  color: var(--color-white);
  font-size: 0.7em;
  border-radius: 8px;
  width: 150px;
  display: inline-block;
  text-align: center;
  padding: 5px;
  margin-right: 20px;
  bottom: 10px;
}
#data .data p small {
  display: block;
  margin: 0 0 10px 180px;
  font-size: 0.4em;
}
#data .data article:is(.article-2, .article-3) {
  padding-top: calc(var(--padding) * 1.2);
  padding-bottom: calc(var(--padding) * 1.2);
}
#data .data article:is(.article-2, .article-3) p {
  font-size: 1.2em;
}

#data .data.circles {
  flex-direction: column;
}
#data .data article:is(.article-7, .article-8) {
  width: 100%;
  margin-right: 10px;
}

.circle {
  margin: 0 auto;
}

/* 円形ワイプ */
.circle-in img {
  margin: 2px;
  width: calc(100% - 4px);
  min-width: auto;
}
.circle-in .shutter {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}
.circle-in :is(.part1, .part2) {
  position: absolute;
  width: 50%;
  height: 100%;
  overflow: hidden;
  background: transparent;
}
.circle-in .part1 {
  top: 0;
  left: 50%;
}
.circle-in .part2 {
  top: 0;
  left: 0px;
}
.circle-in :is(.arc1, .arc2) {
  top: 0;
  width: 0;
  height: 0;
  border-radius: 50%;
}
.circle-in .arc1 {
  transform: rotate(45deg);
}
.circle-in .arc2 {
  left: 1px;
  transform: rotate(45deg);
}
.circle-in.start .arc1 {
  -webkit-animation: rot1 0.6s linear 1 forwards;
  animation: rot1 0.6s linear 1 forwards;
}
.circle-in.start .arc2 {
  -webkit-animation: rot2 0.6s linear 1 0.6s forwards;
  animation: rot2 0.6s linear 1 0.6s forwards;
}
.circle-in.start + img {
  -webkit-animation: circle-text 0.2s linear 1 1s forwards;
  animation: circle-text 0.2s linear 1 1s forwards;
}

/* 円グラフ1 */
.circle.circle-1 {
  width: var(--circle-1);
  height: var(--circle-1);
}
.circle.circle-1 :is(.arc1, .arc2) {
  border: calc(var(--circle-1) / 2) solid transparent;
}
.circle.circle-1 .arc1 {
  right: calc((var(--circle-1) / 2) + 1px);
  border-top: calc(var(--circle-1) / 2) solid var(--color-body);
  border-right: calc(var(--circle-1) / 2) solid var(--color-body);
}
.circle.circle-1 .arc2 {
  border-bottom: calc(var(--circle-1) / 2) solid var(--color-body);
  border-left: calc(var(--circle-1) / 2) solid var(--color-body);
}
.circle.circle-1 > img {
  position: absolute;
  top: 30px;
  left: 60px;
  min-width: auto;
  width: 200px;
  opacity: 0;
}

/* 円グラフ2 */
.circle.circle-2 {
  width: var(--circle-2);
  height: var(--circle-2);
  margin-top: 80px !important;
}
.circle.circle-2 :is(.arc1, .arc2) {
  border: calc(var(--circle-2) / 2) solid transparent;
}
.circle.circle-2 .arc1 {
  right: calc((var(--circle-2) / 2) + 1px);
  border-top: calc(var(--circle-2) / 2) solid var(--color-body);
  border-right: calc(var(--circle-2) / 2) solid var(--color-body);
}
.circle.circle-2 .arc2 {
  border-bottom: calc(var(--circle-2) / 2) solid var(--color-body);
  border-left: calc(var(--circle-2) / 2) solid var(--color-body);
}
.circle.circle-2 > img {
  position: absolute;
  top: -90px;
  left: -30px;
  min-width: auto;
  width: 260px;
  opacity: 0;
}
.circle.circle-3 > img {
  position: absolute;
  top: -100px;
  left: 8px;
  min-width: auto;
  width: 260px;
  opacity: 0;
}

/* 円弧のanimation */
@-webkit-keyframes rot1 {
  0% {
    transform: rotate(45deg);
  }
  100% {
    transform: rotate(225deg);
  }
}
@keyframes rot1 {
  0% {
    transform: rotate(45deg);
  }
  100% {
    transform: rotate(225deg);
  }
}
@-webkit-keyframes rot2 {
  0% {
    transform: rotate(45deg);
  }
  100% {
    transform: rotate(225deg);
  }
}
@keyframes rot2 {
  0% {
    transform: rotate(45deg);
  }
  100% {
    transform: rotate(225deg);
  }
}
@-webkit-keyframes circle-text {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes circle-text {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

/* 縦棒グラフ */
.bar-graph-v .scale li {
  display: flex;
  align-items: center;
  height: 30px;
}
.bar-graph-v .scale li span {
  color: var(--color-red);
  width: 3em;
  text-align: right;
}
.bar-graph-v .scale li::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--color-lightgray);
}
.bar-graph-v .graph {
  position: absolute;
  bottom: -10px;
  left: 5em;
  width: calc(100% - 5em);
}
.bar-graph-v .graph li div {
  width: 30px;
  left: 5px;
  background: var(--color-red);
}
.bar-graph-v small {
  white-space: nowrap;
}

/* 横棒グラフ */
.bar-graph-h small {
  font-size: 1em;
}
.bar-graph-h .flex div {
  height: 30px;
  background: var(--color-red);
}
.bar-graph-h .flex span {
  font-size: 1.8em;
  flex: 1;
  line-height: 1.1;
}

.bar-graph-h .flex i {
  font-family: "Roboto", "Noto Sans JP", sans-serif;
  font-weight: 900;
  font-size: 2em;
  color: var(--color-red);
  font-style: normal;
}

#machine .scroll-mark {
  position: absolute;
  top: 200px;
  left: calc(50% - 100px);
  width: 200px;
  background: var(--color-dark-glass);
  border-radius: var(--radius);
  padding: var(--padding);
  color: var(--color-white);
  display: none;
  place-items: center;
  z-index: 3;
}
#machine .scroll-mark i {
  font-size: 4em;
  -webkit-animation: scroll-mark-arrow 0.6s linear infinite alternate;
  animation: scroll-mark-arrow 0.6s linear infinite alternate;
  position: relative;
}
#machine .scroll-mark small {
  margin: 0;
}

@-webkit-keyframes scroll-mark-arrow {
  0% {
    left: 20px;
  }
  100% {
    left: -20px;
  }
}

@keyframes scroll-mark-arrow {
  0% {
    left: 20px;
  }
  100% {
    left: -20px;
  }
}

#machine table {
  border: solid 2px var(--color-lightgray);
  max-width: 900px;
  min-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
#machine table :is(th, td) {
  border: none;
  border-bottom: solid 2px var(--color-lightgray);
  border-right: dashed 2px var(--color-lightgray);
  padding: calc(var(--padding) / 2) var(--padding);
}
#machine table tr td:last-of-type {
  border-right: none;
}
#machine table tr:last-of-type :is(th, td) {
  border-bottom: none;
}
.scroll-table table tr > :first-child {
  background: var(--color-white);
}
#machine table th {
  color: var(--color-red);
  font-size: 1.1em;
  -moz-text-align-last: justify;
  text-align-last: justify;
  width: 120px;
}
#machine table td {
  text-align: right;
}
#machine table :is(tr:nth-of-type(1), tr:nth-of-type(2)) td {
  text-align: center;
}
#machine .machine article {
  margin-top: 200px;
}
#machine .machine article + article {
  margin-top: 220px;
}
#machine .machine article > div > div {
  background: var(--color-white);
  padding: calc(var(--padding) * 2);
  box-shadow: var(--shadow);
  z-index: 2;
  opacity: 0;
  left: -15px;
  top: -15px;
  transition: var(--transition);
}
#machine .machine article.visible > div > div {
  -webkit-animation: machine-3 0.4s ease 1 0.4s forwards;
  animation: machine-3 0.4s ease 1 0.4s forwards;
}
#machine .machine article h3 {
  font-size: 2.4em;
  font-family: "Roboto", "Noto Sans JP", sans-serif;
}
#machine .machine article h4 {
  margin-top: 0;
}
#machine .machine article > div::after {
  content: "";
  position: absolute;
  left: -15px;
  top: -15px;
  background: var(--color-red);
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0;
}
#machine .machine article.visible > div::after {
  -webkit-animation: machine-2 0.4s ease 1 0.2s forwards;
  animation: machine-2 0.4s ease 1 0.2s forwards;
}
#machine .machine article::before {
  content: "";
  background: var(--color-lightgray);
  position: absolute;
  width: 100dvw;
  height: calc(100% + 145px);
  top: -80px;
  left: -200dvw;
  z-index: -1;
}
#machine .machine article:nth-of-type(even)::before {
  left: auto;
  right: -200dvw;
}
#machine .machine article.visible:nth-of-type(odd)::before {
  -webkit-animation: machine-1 0.4s ease 1 0s forwards;
  animation: machine-1 0.4s ease 1 0s forwards;
}
#machine .machine article.visible:nth-of-type(even)::before {
  -webkit-animation: machine-1-r 0.4s ease 1 0s forwards;
  animation: machine-1-r 0.4s ease 1 0s forwards;
}
#machine .width-limiter > p {
  margin-top: 100px;
}

@-webkit-keyframes machine-2 {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes machine-2 {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@-webkit-keyframes machine-3 {
  0% {
    opacity: 0;
    left: -15px;
    top: -15px;
  }
  40% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    left: 0;
    top: 0;
  }
}
@keyframes machine-3 {
  0% {
    opacity: 0;
    left: -15px;
    top: -15px;
  }
  40% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    left: 0;
    top: 0;
  }
}

#flow dl dt {
  background: var(--color-red);
  font-size: 1.2em;
  padding: 15px;
  width: 220px;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  line-height: 1;
}
#flow dl > div {
  margin-top: 0;
}
#flow dl > div:not(:last-of-type) {
  padding-bottom: 70px;
}
#flow dl > div:not(:last-of-type)::after {
  content: "";
  background: url(../_img/flow_arrow.svg) center top / contain no-repeat;
  width: 220px;
  height: 30px;
  position: absolute;
  bottom: 20px;
  left: 0;
}
#flow dl dt span {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px 0;
  width: 2em;
  aspect-ratio: 1;
  border-radius: 100%;
  background: var(--color-white);
  color: var(--color-red);
  font-family: "Roboto", "Noto Sans JP", sans-serif;
}
#flow dl dt div {
  -moz-text-align-last: justify;
  text-align-last: justify;
  margin: 0;
  flex: 1;
}
#flow dl > div:nth-of-type(8) dt div {
  -moz-text-align-last: left;
  text-align-last: left;
}
#flow dl dd {
  flex: 1;
}

@media (min-width: 721px) {
  @-webkit-keyframes machine-1 {
    0% {
      left: -200dvw;
    }
    100% {
      left: -50dvw;
    }
  }
  @keyframes machine-1 {
    0% {
      left: -200dvw;
    }
    100% {
      left: -50dvw;
    }
  }
  @-webkit-keyframes machine-1-r {
    0% {
      right: -200dvw;
    }
    100% {
      right: -50dvw;
    }
  }
  @keyframes machine-1-r {
    0% {
      right: -200dvw;
    }
    100% {
      right: -50dvw;
    }
  }
}

@media (max-width: 1060px) {
  #data .data article {
    padding: var(--padding) calc(var(--padding) / 1.5);
  }
}
@media (max-width: 920px) {
  #mv h1 i:nth-of-type(2) {
    letter-spacing: 0;
  }
  #data .data p span {
    width: 160px;
  }
  #data .data p small {
    margin: 0 0 10px 180px;
  }
}
@media (max-width: 820px) {
  #data .data {
    flex-direction: column;
  }
  #data .data article {
    padding: var(--padding) 0;
  }
  #data .data article.article-2 {
    padding-right: calc(var(--padding) / 1.5);
  }
  #data .data article.article-3 {
    padding-left: calc(var(--padding) / 1.5);
  }
  #data .data article:is(.article-2, .article-3) {
    flex: 1;
  }
  #data .data > div:nth-of-type(2) {
    border-top: dashed 1pt var(--color-black);
    border-left: none;
  }
  #data .data .first-block {
    margin-bottom: -5px;
  }
  #data .data .circles {
    flex-direction: row;
    padding-top: 0;
  }
  #data .data article:is(.article-7, .article-8) {
    flex: 1;
    padding: var(--padding);
    margin-right: 0;
    margin-bottom: 10px;
  }
  #data .data article.article-8 {
    border-left: dashed 1pt var(--color-black);
    border-top: none;
  }
}
@media (max-width: 720px) {
  #machine .machine article > div > div {
    flex-direction: column;
  }
  #data .data article.article-8 {
    border-top: dashed 1pt var(--color-black);
    border-left: none;
  }
  .circle.circle-2 > img {
    position: absolute;
    top: -100px;
    left: -36px;
    min-width: auto;
    width: 300px;
    opacity: 0;
  }
  .circle.circle-3 > img {
    position: absolute;
    top: -112px;
    left: 7px;
    min-width: auto;
    width: 300px;
    opacity: 0;
  }

  @-webkit-keyframes machine-1 {
    0% {
      left: -200dvw;
    }
    100% {
      left: -30dvw;
    }
  }

  @keyframes machine-1 {
    0% {
      left: -200dvw;
    }
    100% {
      left: -30dvw;
    }
  }
  @-webkit-keyframes machine-1-r {
    0% {
      right: -200dvw;
    }
    100% {
      right: -30dvw;
    }
  }
  @keyframes machine-1-r {
    0% {
      right: -200dvw;
    }
    100% {
      right: -30dvw;
    }
  }

  #machine .scroll-mark {
    display: grid;
  }

  #flow dl > div {
    flex-direction: column;
  }
  #flow dl > div:not(:last-of-type)::after {
    width: 100%;
  }
  #flow dl > div :is(dt, dd) {
    width: 100%;
  }
  #flow dl > div dt div {
    -moz-text-align-last: left;
    text-align-last: left;
  }
  #flow dl > div dt div br {
    display: none;
  }
  #flow dl > div dd {
    padding: 0 15px;
  }
}
@media (max-width: 520px) {
  #mv h1 {
    padding-top: 60px;
    letter-spacing: 0;
    font-size: 3em;
  }
  #mv p {
    margin-top: 30px;
  }

  .lead {
    font-size: 1.3em;
  }
  .lead-2 {
    font-size: 1em;
  }
  #terrajet article.flex {
    flex-direction: column;
  }

  #scene {
    background: url(../_img/scene_human.svg) left 48% bottom / 30% no-repeat;
    top: 0;
    padding-bottom: 140px;
  }

  #case dl dd {
    text-align: justify;
  }
  #case dl dd h3 {
    text-align: justify;
  }
  #case .container .grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  #about article h3 {
    padding: 0 var(--padding);
    margin-top: 10px;
    text-align: center;
  }
  #about article > figure {
    position: static;
    width: 30%;
    margin: 0 auto;
  }
  #about article .content {
    padding: var(--padding);
    min-height: auto;
    margin-top: 20px;
  }
  #about article .content p {
    padding-left: 0;
  }

  #data .data h5 {
    font-size: 1em;
  }
  #data .data p strong {
    font-size: 1.8em;
  }
  #data .data article.article-1 {
    gap: 5px;
  }

  .bar-graph-v .graph li div {
    width: 20px;
  }
  .bar-graph-v small {
    font-size: 0.6em;
  }
}

#member table {
  border: solid 2px var(--color-lightgray);
  max-width: 900px;
  min-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
#member table :is(th, td) {
  border: none;
  border-bottom: solid 2px var(--color-lightgray);
  border-right: dashed 2px var(--color-lightgray);
  padding: calc(var(--padding) / 2) var(--padding);
}
#member table tr td:last-of-type {
  border-right: none;
}
#member table tr:last-of-type :is(th, td) {
  border-bottom: none;
}
.scroll-table table tr > :first-child {
  background: var(--color-white);
}
#member table th {
  color: var(--color-red);
  font-size: 1.1em;
  width: 120px;
  text-align: center;
}

#member table td {
  text-align: center;
  vertical-align: middle;
}
#member table td:nth-child(n + 2):nth-child(-n + 3) {
  text-align: left;
}
/* #member table :is(tr:nth-of-type(1), tr:nth-of-type(2)) td {
  text-align: center;
} */

#member table tr th:nth-of-type(1) {
  width: 40px;
}

#member table tr th:nth-of-type(2) {
  width: 90px;
}

#member table tr th:nth-of-type(4) {
  width: 60px;
}

#member table tr th:nth-of-type(5) {
  width: 40px;
  padding-inline: 15px;
}

#member table tr td img {
  width: 20px;
}

.member-class {
  width: 220px;
  background: var(--color-red);
  color: var(--color-white);
  font-size: 1.4em;
  line-height: 1.1;
  padding: 10px;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 20px;
}

.member-class.class-b {
  background: var(--color-green);
}

.member-b tr td:nth-of-type(3) {
  width: 155px;
  padding-inline: 15px;
}

.member-b tr td:nth-of-type(4) {
  width: 100px;
  padding-inline: 15px;
}

.member-text {
  text-align: center;
  margin-top: 100px;
  margin-bottom: 30px;
}

.member-c {
  text-align: center;
}

.member-c img {
  max-width: 500px;
  width: 80%;
}

#member .scroll-mark {
  position: absolute;
  top: 200px;
  left: calc(50% - 100px);
  width: 200px;
  background: var(--color-dark-glass);
  border-radius: var(--radius);
  padding: var(--padding);
  color: var(--color-white);
  display: none;
  place-items: center;
  z-index: 3;
}
#member .scroll-mark i {
  font-size: 4em;
  -webkit-animation: scroll-mark-arrow 0.6s linear infinite alternate;
  animation: scroll-mark-arrow 0.6s linear infinite alternate;
  position: relative;
}
#member .scroll-mark small {
  margin: 0;
}

@-webkit-keyframes scroll-mark-arrow {
  0% {
    left: 20px;
  }
  100% {
    left: -20px;
  }
}

@keyframes scroll-mark-arrow {
  0% {
    left: 20px;
  }
  100% {
    left: -20px;
  }
}

@media (max-width: 720px) {
  #member .scroll-mark {
    display: grid;
  }
}

/* machine セクションだけ左列固定 */
#machine .scroll-table table th:first-child,
#machine .scroll-table table td:first-child {
  position: -webkit-sticky;
  position: sticky;
  left: 0;
  background: #fff;
  z-index: 2;
}

/* member セクションの table では固定を無効にする（必要なら） */
#member .scroll-table table th:first-child,
#member .scroll-table table td:first-child {
  position: static; /* sticky を無効化 */
}