.glightbox-container {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999999 !important;
  overflow: hidden;
  -ms-touch-action: none;
  touch-action: none;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  outline: none;
}

.glightbox-container.inactive {
  display: none;
}

.glightbox-container .gcontainer {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 9999;
  overflow: hidden;
}

.glightbox-container .gslider {
  -webkit-transition: -webkit-transform 0.4s ease;
  transition: -webkit-transform 0.4s ease;
  transition: transform 0.4s ease;
  transition: transform 0.4s ease, -webkit-transform 0.4s ease;
  height: 100%;
  left: 0;
  top: 0;
  width: 100%;
  position: relative;
  overflow: hidden;
  display: -webkit-box !important;
  display: -ms-flexbox !important;
  display: flex !important;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}

.glightbox-container .gslide {
  width: 100%;
  position: absolute;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  opacity: 0;
}

.glightbox-container .gslide.current {
  opacity: 1;
  z-index: 99999;
  position: relative;
}

.glightbox-container .gslide.prev {
  opacity: 1;
  z-index: 9999;
}

.glightbox-container .gslide-inner-content {
  width: 100%;
/**********/
    padding-left: 15px;
    padding-right: 15px;
}

.glightbox-container .ginner-container {
  position: relative;
  width: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  max-width: 100%;
  margin: auto;
  height: 100vh;
}

.glightbox-container .ginner-container.gvideo-container {
  width: 100%;
}

.glightbox-container .ginner-container.desc-bottom,
        .glightbox-container .ginner-container.desc-top {
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
}

.glightbox-container .ginner-container.desc-left,
        .glightbox-container .ginner-container.desc-right {
  max-width: 100% !important;
}

.gslide iframe,
    .gslide video {
  outline: none !important;
  border: none;
  min-height: 165px;
  -webkit-overflow-scrolling: touch;
  -ms-touch-action: auto;
  touch-action: auto;
}

.gslide:not(.current) {
  pointer-events: none;
}

.gslide-image {
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

.gslide-image img {
  max-height: 100vh;
  display: block;
  padding: 0;
  float: none;
  outline: none;
  border: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  max-width: 100vw;
  width: auto;
  height: auto;
  -o-object-fit: cover;
  object-fit: cover;
  -ms-touch-action: none;
  touch-action: none;
  margin: auto;
  min-width: 200px;
}

.desc-top .gslide-image img,
        .desc-bottom .gslide-image img {
  width: auto;
}

.desc-left .gslide-image img,
        .desc-right .gslide-image img {
  width: auto;
  max-width: 100%;
}

.gslide-image img.zoomable {
  position: relative;
}

.gslide-image img.dragging {
  cursor: -webkit-grabbing !important;
  cursor: grabbing !important;
  -webkit-transition: none;
  transition: none;
}

.gslide-video {
  position: relative;
  max-width: 100vh;
  width: 100% !important;
}

.gslide-video .plyr__poster-enabled.plyr--loading .plyr__poster {
  display: none;
}

.gslide-video .gvideo-wrapper {
  width: 100%;
        /* max-width: 160vmin; */
  margin: auto;
}

.gslide-video::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(255, 0, 0, 0.34);
  display: none;
}

.gslide-video.playing::before {
  display: none;
}

.gslide-video.fullscreen {
  max-width: 100% !important;
  min-width: 100%;
  height: 75vh;
}

.gslide-video.fullscreen video {
  max-width: 100% !important;
  width: 100% !important;
}

.gslide-inline {
  background: #fff;
  text-align: left;
  max-height: calc(100vh - 40px);
  overflow: auto;
  max-width: 100%;
  margin: auto;
}

.gslide-inline .ginlined-content {
/*  padding: 20px;*/
  width: 100%;
  overflow: hidden;
}

.gslide-inline .dragging {
  cursor: -webkit-grabbing !important;
  cursor: grabbing !important;
  -webkit-transition: none;
  transition: none;
}

.ginlined-content {
  overflow: auto;
  display: block !important;
  opacity: 1;
}

.gslide-external {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: 100%;
  min-width: 100%;
  background: #fff;
  padding: 0;
  overflow: auto;
  max-height: 75vh;
  height: 100%;
}

.gslide-media {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
/*  width: auto;*/
  overflow: hidden;

  width: 100% !important;
  max-width: 56.25em !important;
  height: auto !important;
  min-height: 26.25em !important;

}

.zoomed .gslide-media {
  -webkit-box-shadow: none !important;
  box-shadow: none !important;
}

.desc-top .gslide-media,
    .desc-bottom .gslide-media {
  margin: 0 auto;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
}

.gslide-description {
  position: relative;
  -webkit-box-flex: 1;
  -ms-flex: 1 0 100%;
  flex: 1 0 100%;
}

.gslide-description.description-left,
    .gslide-description.description-right {
  max-width: 100%;
}

.gslide-description.description-bottom,
    .gslide-description.description-top {
  margin: 0 auto;
  width: 100%;
}

.gslide-description p {
  margin-bottom: 12px;
}

.gslide-description p:last-child {
  margin-bottom: 0;
}

.zoomed .gslide-description {
  display: none;
}

.glightbox-button-hidden {
  display: none;
}


/*
 * Description for mobiles
 * something like facebook does the description
 * for the photos
*/

.glightbox-mobile .glightbox-container .gslide-description {
  height: auto !important;
  width: 100%;
  position: absolute;
  bottom: 0;
  padding: 19px 11px;
  max-width: 100vw !important;
  -webkit-box-ordinal-group: 3 !important;
  -ms-flex-order: 2 !important;
  order: 2 !important;
  max-height: 78vh;
  overflow: auto !important;
  background: -webkit-gradient(linear, left top, left bottom, from(rgba(0, 0, 0, 0)), to(rgba(0, 0, 0, 0.75)));
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.75) 100%);
  -webkit-transition: opacity 0.3s linear;
  transition: opacity 0.3s linear;
  padding-bottom: 50px;
}

.glightbox-mobile .glightbox-container .gslide-title {
  color: #fff;
  font-size: 1em;
}

.glightbox-mobile .glightbox-container .gslide-desc {
  color: #a1a1a1;
}

.glightbox-mobile .glightbox-container .gslide-desc a {
  color: #fff;
  font-weight: bold;
}

.glightbox-mobile .glightbox-container .gslide-desc * {
  color: inherit;
}

.glightbox-mobile .glightbox-container .gslide-desc .desc-more {
  color: #fff;
  opacity: 0.4;
}

.gdesc-open .gslide-media {
  -webkit-transition: opacity 0.5s ease;
  transition: opacity 0.5s ease;
  opacity: 0.4;
}

.gdesc-open .gdesc-inner {
  padding-bottom: 30px;
}

.gdesc-closed .gslide-media {
  -webkit-transition: opacity 0.5s ease;
  transition: opacity 0.5s ease;
  opacity: 1;
}

.greset {
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}

.gabsolute {
  position: absolute;
}

.grelative {
  position: relative;
}

.glightbox-desc {
  display: none !important;
}

.glightbox-open {
  overflow: hidden;
}

.gloader {
  height: 25px;
  width: 25px;
  -webkit-animation: lightboxLoader 0.8s infinite linear;
  animation: lightboxLoader 0.8s infinite linear;
  border: 2px solid #fff;
  border-right-color: transparent;
  border-radius: 50%;
  position: absolute;
  display: block;
  z-index: 9999;
  left: 0;
  right: 0;
  margin: 0 auto;
  top: 47%;
}

.goverlay {
  width: 100%;
  height: calc(100vh + 1px);
  position: fixed;
  top: -1px;
  left: 0;
/*  background: #000;*/
  background: rgba(0, 0, 0, 0.6);;
  will-change: opacity;
}

.glightbox-mobile .goverlay {
/*  background: #000;*/
  background: rgba(0, 0, 0, 0.6);;
}

.gprev,
.gnext,
.gclose {
  z-index: 99999;
  cursor: pointer;
  width: 26px;
  height: 44px;
  border: none;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
}

.gprev svg,
.gnext svg,
.gclose svg {
  display: block;
  width: 25px;
  height: auto;
  margin: 0;
  padding: 0;
}

.gprev.disabled,
.gnext.disabled,
.gclose.disabled {
  opacity: 0.1;
}

.gprev .garrow,
.gnext .garrow,
.gclose .garrow {
  stroke: #fff;
}

.gbtn.focused {
  outline: 2px solid #0f3d81;
}

iframe.wait-autoplay {
  opacity: 0;
}

.glightbox-closing .gnext,
    .glightbox-closing .gprev,
    .glightbox-closing .gclose {
  opacity: 0 !important;
}


/*Skin */

.glightbox-clean .gslide-description {
  background: #fff;
}

.glightbox-clean .gdesc-inner {
  padding: 22px 20px;
}

.glightbox-clean .gslide-title {
  font-size: 1em;
  font-weight: normal;
  font-family: arial;
  color: #000;
  margin-bottom: 19px;
  line-height: 1.4em;
}

.glightbox-clean .gslide-desc {
  font-size: 0.86em;
  margin-bottom: 0;
  font-family: arial;
  line-height: 1.4em;
}

.glightbox-clean .gslide-video {
  background: #000;
}

.glightbox-clean .gprev,
    .glightbox-clean .gnext,
    .glightbox-clean .gclose {
  background-color: rgba(0, 0, 0, 0.55);
  border-radius: 4px;
}

.glightbox-clean .gprev path,
.glightbox-clean .gnext path,
.glightbox-clean .gclose path {
  fill: #fff;
}

.glightbox-clean .gprev {
  position: absolute;
/*  top: -100%;*/
  top: 45%;
/*  left: 30px;*/
  left: 20px;
/*  width: 40px;*/
  width: 28px;
  height: 50px;
}

.glightbox-clean .gnext {
  position: absolute;
/*  top: -100%;*/
  top: 45%;
/*  right: 30px;*/
  right: 20px;
/*  width: 40px;*/
  width: 28px;
  height: 50px;
}

.glightbox-clean .gclose {
  width: 35px;
  height: 35px;
/*  top: 15px;*/
/*  right: 10px;*/

    top: 15%;
    right: 25px;
    transform: translateY(0);

  position: absolute;
}

.glightbox-clean .gclose svg {
  width: 18px;
  height: auto;
}

.glightbox-clean .gclose:hover {
  opacity: 1;
}


/*CSS Animations*/

.gfadeIn {
  -webkit-animation: gfadeIn 0.5s ease;
  animation: gfadeIn 0.5s ease;
}

.gfadeOut {
  -webkit-animation: gfadeOut 0.5s ease;
  animation: gfadeOut 0.5s ease;
}

.gslideOutLeft {
  -webkit-animation: gslideOutLeft 0.3s ease;
  animation: gslideOutLeft 0.3s ease;
}

.gslideInLeft {
  -webkit-animation: gslideInLeft 0.3s ease;
  animation: gslideInLeft 0.3s ease;
}

.gslideOutRight {
  -webkit-animation: gslideOutRight 0.3s ease;
  animation: gslideOutRight 0.3s ease;
}

.gslideInRight {
  -webkit-animation: gslideInRight 0.3s ease;
  animation: gslideInRight 0.3s ease;
}

.gzoomIn {
  -webkit-animation: gzoomIn 0.5s ease;
  animation: gzoomIn 0.5s ease;
}

.gzoomOut {
  -webkit-animation: gzoomOut 0.5s ease;
  animation: gzoomOut 0.5s ease;
}

@-webkit-keyframes lightboxLoader {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

@keyframes lightboxLoader {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

@-webkit-keyframes gfadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes gfadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@-webkit-keyframes gfadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@keyframes gfadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@-webkit-keyframes gslideInLeft {
  from {
    opacity: 0;
    -webkit-transform: translate3d(-60%, 0, 0);
    transform: translate3d(-60%, 0, 0);
  }
  to {
    visibility: visible;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}

@keyframes gslideInLeft {
  from {
    opacity: 0;
    -webkit-transform: translate3d(-60%, 0, 0);
    transform: translate3d(-60%, 0, 0);
  }
  to {
    visibility: visible;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}

@-webkit-keyframes gslideOutLeft {
  from {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
  to {
    -webkit-transform: translate3d(-60%, 0, 0);
    transform: translate3d(-60%, 0, 0);
    opacity: 0;
    visibility: hidden;
  }
}

@keyframes gslideOutLeft {
  from {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
  to {
    -webkit-transform: translate3d(-60%, 0, 0);
    transform: translate3d(-60%, 0, 0);
    opacity: 0;
    visibility: hidden;
  }
}

@-webkit-keyframes gslideInRight {
  from {
    opacity: 0;
    visibility: visible;
    -webkit-transform: translate3d(60%, 0, 0);
    transform: translate3d(60%, 0, 0);
  }
  to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}

@keyframes gslideInRight {
  from {
    opacity: 0;
    visibility: visible;
    -webkit-transform: translate3d(60%, 0, 0);
    transform: translate3d(60%, 0, 0);
  }
  to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}

@-webkit-keyframes gslideOutRight {
  from {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
  to {
    -webkit-transform: translate3d(60%, 0, 0);
    transform: translate3d(60%, 0, 0);
    opacity: 0;
  }
}

@keyframes gslideOutRight {
  from {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
  to {
    -webkit-transform: translate3d(60%, 0, 0);
    transform: translate3d(60%, 0, 0);
    opacity: 0;
  }
}

@-webkit-keyframes gzoomIn {
  from {
    opacity: 0;
    -webkit-transform: scale3d(0.3, 0.3, 0.3);
    transform: scale3d(0.3, 0.3, 0.3);
  }
  to {
    opacity: 1;
  }
}

@keyframes gzoomIn {
  from {
    opacity: 0;
    -webkit-transform: scale3d(0.3, 0.3, 0.3);
    transform: scale3d(0.3, 0.3, 0.3);
  }
  to {
    opacity: 1;
  }
}

@-webkit-keyframes gzoomOut {
  from {
    opacity: 1;
  }
  50% {
    opacity: 0;
    -webkit-transform: scale3d(0.3, 0.3, 0.3);
    transform: scale3d(0.3, 0.3, 0.3);
  }
  to {
    opacity: 0;
  }
}

@keyframes gzoomOut {
  from {
    opacity: 1;
  }
  50% {
    opacity: 0;
    -webkit-transform: scale3d(0.3, 0.3, 0.3);
    transform: scale3d(0.3, 0.3, 0.3);
  }
  to {
    opacity: 0;
  }
}

@media (min-width: 769px) {
  .glightbox-container .ginner-container {
    width: auto;
    height: auto;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -ms-flex-direction: row;
    flex-direction: row;
  }
  .glightbox-container .ginner-container.desc-top .gslide-description {
    -webkit-box-ordinal-group: 1;
    -ms-flex-order: 0;
    order: 0;
  }
  .glightbox-container .ginner-container.desc-top .gslide-image,
                .glightbox-container .ginner-container.desc-top .gslide-image img {
    -webkit-box-ordinal-group: 2;
    -ms-flex-order: 1;
    order: 1;
  }
  .glightbox-container .ginner-container.desc-left .gslide-description {
    -webkit-box-ordinal-group: 1;
    -ms-flex-order: 0;
    order: 0;
  }
  .glightbox-container .ginner-container.desc-left .gslide-image {
    -webkit-box-ordinal-group: 2;
    -ms-flex-order: 1;
    order: 1;
  }
  .gslide-image img {
    max-height: 97vh;
    max-width: 100%;
  }
  .gslide-image img.zoomable {
    cursor: -webkit-zoom-in;
    cursor: zoom-in;
  }
  .zoomed .gslide-image img.zoomable {
    cursor: -webkit-grab;
    cursor: grab;
  }
  .gslide-inline {
    max-height: 95vh;
  }
  .gslide-external {
    max-height: 100vh;
  }
  .gslide-description.description-left,
    .gslide-description.description-right {
    max-width: 275px;
  }
  .glightbox-open {
    height: auto;
  }
  .goverlay {
/*    background: rgba(0, 0, 0, 0.92);*/
    background: rgba(0, 0, 0, 0.6);
  }
/*  .glightbox-clean .gslide-media {
    -webkit-box-shadow: 1px 2px 9px 0px rgba(0, 0, 0, 0.65);
    box-shadow: 1px 2px 9px 0px rgba(0, 0, 0, 0.65);
  }*/
  .glightbox-clean .description-left .gdesc-inner,
.glightbox-clean .description-right .gdesc-inner {
    position: absolute;
    height: 100%;
    overflow-y: auto;
  }
  .glightbox-clean .gprev,
    .glightbox-clean .gnext,
    .glightbox-clean .gclose {
    background-color: rgba(0, 0, 0, 0.32);
  }
  .glightbox-clean .gprev:hover,
.glightbox-clean .gnext:hover,
.glightbox-clean .gclose:hover {
    background-color: rgba(0, 0, 0, 0.7);
  }
  .glightbox-clean .gprev {
    top: 45%;
  }
  .glightbox-clean .gnext {
    top: 45%;
  }
  .glightbox-clean .gclose {
/*  top: 15px;*/
  top: 50%;
/*  right: 10px;*/
  right: 40px;
  transform: translate(0,-750%);
  }
}

@media (min-width: 992px) {
  .glightbox-clean .gclose {
    opacity: 0.7;
/*    right: 20px;*/
/*  top: 15px;*/
  top: 50%;
  right: 50%;
  transform: translate(1253%,-750%);
  }
}

@media screen and (max-height: 420px) {
  .goverlay {
    background: #000;
  }
}


/******/
/* disable default button */
.glightbox-container.my-nav-scope .gprev,
.glightbox-container.my-nav-scope .gnext,
.glightbox-container.my-nav-scope .gclose {
  display: none !important;
}

/* スライド中身を基準（cqw 使用のため） */
.glightbox-container .gslide .gslide-media{
  position: relative;
  container-type: inline-size;
}

/* 共通：領域サイズ（中身は疑似要素で描画） */
.glightbox-container .gslide .gslide-media .mygb{
--fg:  #B3B3B3;            /* icon color */
--bg:  rgba(0,0,0,.0);  /* background color */
--bg-h:rgba(0,0,0,.5); /* background color on hover */
position:absolute;
z-index:10;
padding:0; border:0; background:var(--bg);
color:var(--over1100fg);
cursor:pointer;
display:block;
line-height:0;
pointer-events:auto;
}
.glightbox-container .gslide .gslide-media .mygb.my-close{
--fg: #787878;
transition: background-color .3s ease, transform .3s ease, opacity .3s ease;
}

/** button size **/
/* prev/next: 28×56 */
.mygb.my-prev,
.mygb.my-next{
width: 28px;
height: 56px;
border-radius: 8px;
transition: background-color .3s ease, transform .3s ease, opacity .3s ease;
}

/* close */
.mygb.my-close{
--btn: clamp(15px, 6cqw, 31px);
width: var(--btn);
height: var(--btn);
border-radius: 6px;
background: var(--bg);
}

/* button position */
.mygb.my-close{ top:clamp(8px, 1cqw, 14px); right:clamp(8px, 1cqw, 14px); }
.mygb.my-prev { top:50%; left: clamp(8px, 1cqw, 14px); transform: translateY(-50%) scaleX(-1); } /* reverse */
.mygb.my-next { top:50%; right:clamp(8px, 1cqw, 14px); transform: translateY(-50%); }
.glightbox-container .gslide .gslide-media{ overflow: visible; }
@media screen and (min-width: 1100px){
.mygb.my-prev {left: -60px;}
.mygb.my-next {right: -60px;}
.glightbox-container .gslide .gslide-media .mygb{
--fg: #FFFFFF;
}
}


/* hover/focus */
.mygb:hover{ background:var(--bg-h); }
.mygb:focus-visible{
outline:2px solid rgba(255,255,255,.9);
outline-offset:2px;
}
/* button close hover */
.glightbox-container .gslide .gslide-media .mygb.my-close:hover{
--fg: #737373; /* hover color */
background-color: #D9D9D9;
}
.glightbox-container .gslide .gslide-media .mygb.my-prev::before,
.glightbox-container .gslide .gslide-media .mygb.my-next::before{
transition: background-color .3s ease, transform .3s ease, opacity .3s ease;
}
.glightbox-container .gslide .gslide-media .mygb.my-prev:hover::before{
transform: translateY(-50%) scale(0.8);
}
.glightbox-container .gslide .gslide-media .mygb.my-next:hover::before{
transform: translateY(-50%) scale(0.8);
}


/* icon masking */
.mygb::before{
content:"";
position:absolute; inset:0;
background-color: var(--fg); /* icon color */
background-repeat:no-repeat;
background-position:center;
background-size:contain;
-webkit-mask-repeat:no-repeat;
-webkit-mask-position:center;
-webkit-mask-size:contain;
mask-repeat:no-repeat;
mask-position:center;
mask-size:contain;
}

/** button next, button prev, button close **/
/* next */
.mygb.my-next::before{
position: absolute; top: 50%; transform: translateY(-50%);width: inherit;height: inherit;
-webkit-mask-image: url("data:image/svg+xml;utf8,\
<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 56'>\
<polyline fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' points='0 56 28 28 0 0'/>\
</svg>");
mask-image: url("data:image/svg+xml;utf8,\
<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 56'>\
<polyline fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' points='0 56 28 28 0 0'/>\
</svg>");
}

/* prev */
.mygb.my-prev::before{
position: absolute; top: 50%; transform: translateY(-50%);width: inherit;height: inherit;
-webkit-mask-image: url("data:image/svg+xml;utf8,\
<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 56'>\
<polyline fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' points='0 56 28 28 0 0'/>\
</svg>");
mask-image: url("data:image/svg+xml;utf8,\
<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 56'>\
<polyline fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' points='0 56 28 28 0 0'/>\
</svg>");
}

/* button close */
.mygb.my-close::before{
content:"";
position:absolute; inset:0;
background-color: var(--fg);                /* ← 実際の表示色 */
background-repeat:no-repeat; background-position:center; background-size:contain;
-webkit-mask-repeat:no-repeat; -webkit-mask-position:center; -webkit-mask-size:contain;
mask-repeat:no-repeat; mask-position:center; mask-size:contain;

-webkit-mask-image: url("data:image/svg+xml;utf8,\
<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 31 31'>\
<g fill='none' stroke='%23fff' stroke-width='1' stroke-linecap='round'>\
<rect x='0.5' y='0.5' width='30' height='30'/>\
<line x1='1' y1='1' x2='30' y2='30'/>\
<line x1='30' y1='1' x2='1' y2='30'/>\
</g>\
</svg>");

mask-image: url("data:image/svg+xml;utf8,\
<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 31 31'>\
<g fill='none' stroke='%23fff' stroke-width='1' stroke-linecap='round'>\
<rect x='0.5' y='0.5' width='30' height='30'/>\
<line x1='1' y1='1' x2='30' y2='30'/>\
<line x1='30' y1='1' x2='1' y2='30'/>\
</g>\
</svg>");
}