@font-face {
  font-family: "Futura-Std-Light";
  src: url(../font/Futura\ Std\ Light.otf) format("opentype");
}

body,
html {
  position: relative;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  --vw-base: calc(100vw / 1920);
  background-color: #66696b;
}

body>* {}

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin: 0;
  padding: 0;
  font-weight: normal;
}

a:link,
a:visited,
a:hover,
a:active {
  text-decoration: none;
}

button,
input,
textarea,
select,
option {
  margin: 0;
  padding: 0;
  -webkit-appearance: none;
  -webkit-border-radius: 0px;
  border-radius: 0;
  -moz-appearance: none;
  appearance: none;
  outline: none;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.container {
  position: relative;
  width: 100%;
  height: auto;
  background: #e1ecf0;
  overflow: hidden;
}


/* 02 內頁沒有首頁進場流程，header 載入後直接顯示跑馬燈。 */
body .header .slog-marquee {
  clip-path: inset(0 0% 0 0);
}

.material_fixed {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background-image: url(../img/index/bg-Material.jpg);
  background-repeat: repeat;
  background-size: cover;
  background-position: center;
  pointer-events: none;
  mix-blend-mode: multiply;
  /* z-index: 10; */
}



/*main1*/
.main1 {
  position: relative;
  width: 100%;
  height: calc(950*var(--vw-base));
  overflow: hidden;
  --main1-intro-delay: 0.2s;
  --time-line-intro-delay: 0.6s;
  display: flex;
  flex-direction: column;
}

.main1 .title {
  position: relative;
  align-self: flex-end;
  margin-right: calc(50*var(--vw-base));
  margin-top: calc(150*var(--vw-base));
  width: calc(491*var(--vw-base));
  height: calc(94*var(--vw-base));
}

.main1 .title .t1 {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.t1.first {
  z-index: 2;
}

.t1.second {}

.main1 .title .t1 img {
  object-fit: contain;
}

@keyframes main1-fade-right {
  from {
    opacity: 0;
    transform: translate3d(calc(50*var(--vw-base)), 0, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes main1-fade-left {
  from {
    opacity: 0;
    transform: translate3d(calc(-50*var(--vw-base)), 0, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes main1-fade-up {
  from {
    opacity: 0;
    transform: translate3d(0, calc(24*var(--vw-base)), 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.main1 .title .t1 {
  will-change: opacity, transform;
}

.main1 .title .t1.first {
  z-index: 2;
  animation: main1-fade-right 0.8s ease-out calc(var(--main1-intro-delay) + 0s) both;
}

.main1 .title .t1.second {
  z-index: 1;
  animation: main1-fade-right 0.8s ease-out var(--main1-intro-delay) both;
}

.main1 .title .t1-txt {
  position: absolute;
  right: 0;
  top: calc(22*var(--vw-base));
  color: #ffffff;
  font-family: "Noto Sans TC", sans-serif;
  font-size: calc(24*var(--vw-base));
  letter-spacing: 0.15em;
  line-height: 1.1em;
  writing-mode: vertical-rl;
  will-change: opacity, transform;
  animation: main1-fade-up 0.8s ease-out calc(var(--main1-intro-delay) + 0.6s) both;
}

/* 合作夥伴：以 1920px 設計稿比例排版，Swiper 僅由使用者拖曳切頁。 */
.main1 {
  height: auto;
  min-height: 0;
  overflow: visible;
  padding-bottom: calc(60*var(--vw-base));
}

.client-swiper {
  position: relative;
  width: 100%;
  height: calc(1400*var(--vw-base));
  margin-top: calc(70*var(--vw-base));
  overflow: visible;
  touch-action: pan-y;
  cursor: grab;
  -webkit-user-select: none;
  user-select: none;
}

.client-swiper.swiper-grabbing {
  cursor: grabbing;
}

/* 外部 Swiper 尚未載入時，仍保留可自動切換的淡入淡出備援。 */
.client-swiper.client-swiper-fallback .swiper-wrapper {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}

.client-swiper.client-swiper-fallback .swiper-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.65s ease;
}

.client-swiper.client-swiper-fallback .swiper-slide.is-active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.client-content {
  position: relative;
  display: grid;
  grid-template-columns: calc(405*var(--vw-base)) calc(180*var(--vw-base)) minmax(0, 1fr);
  width: calc(100% - 120*var(--vw-base));
  height: 100%;
  margin: 0 auto;
}

.client-content::before {
  position: absolute;
  top: 0;
  right: calc(-10*var(--vw-base));
  left: calc(-10*var(--vw-base));
  z-index: 3;
  border-top: 1px solid rgba(255, 255, 255, 0.8);
  content: "";
  pointer-events: none;
}

.client-category {
  grid-column: 1;
  padding-top: calc(15*var(--vw-base));
  overflow: visible;
}

.client-category-zh {
  color: #f16d25;
  font-family: "Noto Sans TC", sans-serif;
  font-size: calc(26*var(--vw-base));
  font-weight: 300;
  letter-spacing: 0.2em;
  line-height: 1.15em;
}

.client-category-en {
  margin-top: calc(2*var(--vw-base));
  color: #ffffff;
  font-family: "Raleway", sans-serif;
  font-size: calc(57*var(--vw-base));
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1.1em;
  white-space: nowrap;
}

.client-grid {
  position: relative;
  display: grid;
  grid-column: 3;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: calc(100*var(--vw-base));
  align-content: start;
}

.client-grid::before,
.client-grid::after {
  position: absolute;
  top: calc(-10*var(--vw-base));
  bottom: 0;
  z-index: 2;
  width: 1px;
  background: rgba(255, 255, 255, 0.8);
  content: "";
  pointer-events: none;
}

.client-grid::before {
  left: 33.333333%;
}

.client-grid::after {
  left: 66.666667%;
}

.client-grid-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.8);
  color: #595959;
  font-family: "Noto Sans TC", sans-serif;
  font-size: calc(30*var(--vw-base));
  font-weight: 300;
  letter-spacing: 0.5em;
  line-height: 1.1em;
  text-align: center;
  white-space: nowrap;
}

/* 合作夥伴首屏進場：標題與上框線先由左往右揭露，再依序顯示分類、名單與格線。 */
.main1.client-page-intro {
  --client-detail-delay: 0.8s;
}

.main1.client-page-intro:not(.client-intro-start) .client-swiper {
  visibility: hidden;
}

.main1.client-page-intro .title .t1,
.main1.client-page-intro .title .t1-txt {
  animation: none;
  opacity: 1;
  transform: none;
  will-change: auto;
}

.main1.client-page-intro:not(.client-intro-start) .title {
  opacity: 0;
  transform: translate3d(calc(50*var(--vw-base)), 0, 0);
}

.main1.client-page-intro.client-intro-start .title {
  animation: main1-fade-right 1s ease-out both;
  will-change: opacity, transform;
}

.main1.client-page-intro .swiper-slide:first-child .client-content::before {
  clip-path: inset(0 0 0 0);
}

.main1.client-page-intro:not(.client-intro-start) .swiper-slide:first-child .client-content::before {
  clip-path: inset(0 100% 0 0);
}

.main1.client-page-intro.client-intro-start .swiper-slide:first-child .client-content::before {
  animation: client-clip-right 0.8s ease-out both;
}

.main1.client-page-intro.client-intro-start .swiper-slide:first-child .client-category-zh,
.main1.client-page-intro.client-intro-start .swiper-slide:first-child .client-category-en {
  animation: client-fade-left 0.5s ease-out var(--client-detail-delay) both;
}

.main1.client-page-intro.client-intro-start .swiper-slide:first-child .client-category-en {
  animation-delay: calc(var(--client-detail-delay) + 0.2s);
}

.main1.client-page-intro .swiper-slide:first-child .client-grid-cell {
  position: relative;
  border-bottom-color: transparent;
}

.main1.client-page-intro.client-intro-start .swiper-slide:first-child .client-grid-cell {
  animation: client-grid-text-in 0.45s ease-out var(--client-detail-delay) both;
}

.main1.client-page-intro .swiper-slide:first-child .client-grid-cell:nth-child(3n + 1)::after {
  position: absolute;
  right: auto;
  bottom: -1px;
  left: 0;
  z-index: 1;
  width: 300%;
  height: 1px;
  background: rgba(255, 255, 255, 0.8);
  content: "";
  transform: scaleX(0);
  transform-origin: left center;
  pointer-events: none;
}

.main1.client-page-intro.client-intro-start .swiper-slide:first-child .client-grid-cell:nth-child(3n + 1)::after {
  animation: client-rule-right 1.2s ease-out calc(var(--client-detail-delay) + var(--client-row-delay, 0s)) both;
}

.main1.client-page-intro .swiper-slide:first-child .client-grid::before,
.main1.client-page-intro .swiper-slide:first-child .client-grid::after {
  transform: scaleY(0);
  transform-origin: center top;
}

.main1.client-page-intro.client-intro-start .swiper-slide:first-child .client-grid::before,
.main1.client-page-intro.client-intro-start .swiper-slide:first-child .client-grid::after {
  animation: client-rule-down 1s ease-out calc(var(--client-detail-delay) + 0.8s) both;
}

@keyframes client-clip-right {
  from {
    clip-path: inset(0 100% 0 0);
  }

  to {
    clip-path: inset(0 0 0 0);
  }
}

@keyframes client-fade-left {
  from {
    opacity: 0;
    transform: translate3d(calc(-18*var(--vw-base)), 0, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes client-grid-text-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes client-rule-right {
  from {
    transform: scaleX(0);
  }

  to {
    transform: scaleX(1);
  }
}

@keyframes client-rule-down {
  from {
    transform: scaleY(0);
  }

  to {
    transform: scaleY(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .main1.client-page-intro:not(.client-intro-start) .client-swiper {
    visibility: visible;
  }

  .main1.client-page-intro:not(.client-intro-start) .title,
  .main1.client-page-intro.client-intro-start .title {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .main1.client-page-intro .swiper-slide:first-child .client-content::before {
    clip-path: inset(0 0 0 0);
    animation: none;
  }

  .main1.client-page-intro .swiper-slide:first-child .client-category-zh,
  .main1.client-page-intro .swiper-slide:first-child .client-category-en,
  .main1.client-page-intro .swiper-slide:first-child .client-grid-cell {
    opacity: 1;
    animation: none;
  }

  .main1.client-page-intro .swiper-slide:first-child .client-grid-cell {
    border-bottom-color: rgba(255, 255, 255, 0.8);
  }

  .main1.client-page-intro .swiper-slide:first-child .client-grid-cell:nth-child(3n + 1)::after {
    display: none;
  }

  .main1.client-page-intro .swiper-slide:first-child .client-grid::before,
  .main1.client-page-intro .swiper-slide:first-child .client-grid::after {
    transform: none;
    animation: none;
  }
}

/* 最後一列不畫底線；首屏動畫的自訂水平線也略過最後一列。 */
.client-grid .client-grid-cell:nth-last-child(-n + 3) {
  border-bottom: none;
}

.main1.client-page-intro .swiper-slide:first-child .client-grid-cell:nth-child(3n + 1):nth-last-child(-n + 3)::after {
  display: none;
}