* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --body-bg: #fff;
  --paper: #fff;
  --ink: #121212;
  --line: #1a1a1a;
  --dot: #cecece;
  --hero-dot: #F8F5F2;
  --footer-gray: #cbcbcb;
  --footer-brown: #b79778;
  --u: clamp(0.85px, calc(100vw / 724), 3px);
  --font-sans-cjk: "鎬濇簮榛戜綋", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

body {
  background: var(--body-bg);
  color: var(--ink);
  font-family: var(--font-sans-cjk);
  min-height: 100vh;
}

.page {
  width: 100%;
  margin: 0;
  background: var(--paper);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
}


.page::before {
  left: calc(24 * var(--u));
}

.page::after {
  right: calc(24 * var(--u));
}

.inner {
  padding:0px 50px 16px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.topbar {
  height: calc(52 * var(--u));
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: calc(2 * var(--u));
}

.logo {
  line-height: 1;
  transform: translateY(calc(-1 * var(--u)));
}

.logo-main {
  display: inline-block;
  font-family: var(--font-sans-cjk);
  font-size: calc(35 * var(--u));
  letter-spacing: calc(0.9 * var(--u));
  transform: skewX(-9deg);
}

.logo-sub {
  display: block;
  margin-top: calc(-3 * var(--u));
  font-family: var(--font-sans-cjk);
  font-size: calc(7 * var(--u));
  letter-spacing: calc(1.2 * var(--u));
}

.top-right {
  display: flex;
  align-items: center;
  gap: calc(16 * var(--u));
}

.pill {
  height: calc(20 * var(--u));
  border-radius: calc(10 * var(--u));
  border: calc(1 * var(--u)) solid #111;
  background: #111;
  color: #fff;
  padding: 0 calc(10 * var(--u));
  display: flex;
  align-items: center;
  font-family: var(--font-sans-cjk);
  font-size: calc(17 * var(--u));
  letter-spacing: calc(0.4 * var(--u));
  transform: translateY(calc(-1 * var(--u)));
}

.menu {
  width: calc(14 * var(--u));
  height: calc(12 * var(--u));
  position: relative;
}

.menu span {
  position: absolute;
  left: 0;
  width: calc(14 * var(--u));
  height: calc(1 * var(--u));
  background: #777;
}

.menu span:nth-child(1) {
  top: 0;
}

.menu span:nth-child(2) {
  top: calc(5 * var(--u));
}

.menu span:nth-child(3) {
  top: calc(10 * var(--u));
}

.hero-top {
  margin-top: calc(8 * var(--u));
  display: grid;
  grid-template-columns: 1fr calc(247 * var(--u));
  gap: calc(24 * var(--u));
  align-items: start;
}

.hero-title {
  position: relative;
  display: inline-block;
  z-index: 1;
  font-family: var(--font-sans-cjk);
  font-size: 70px;
  line-height: 1.02;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing:3px;
}

.hero-title::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 10px;
  z-index: -1;
  width: min(100%, 500px);
  height: calc(100% - 18px);
  background-image: radial-gradient(circle, #F8F5F2 0 3px, transparent 3.2px);
  background-size: 20px 20px;
  background-position: 0 0;
  pointer-events: none;
}

.hero-copy {
  font-family: var(--font-sans-cjk);
  font-size: 18px;
  line-height: 24px;
  color: #202020;
  padding-top: calc(0 * var(--u));
  text-align: justify;
}

.hero-video-scene {
  --hero-progress: 0;
  --hero-start-width: min(calc(548 * var(--u)), calc(100vw - 100px));
  --hero-media-ratio: 16 / 9;
  width: 100vw;
  height: 120vh;
  margin: calc(-10 * var(--u)) 0 0 calc(50% - 50vw);
  margin-bottom:20px;
  position: relative;
}

.hero-video-stage {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.hero-visual {
  width: calc(var(--hero-start-width) + (100vw - var(--hero-start-width)) * var(--hero-progress));
  aspect-ratio: var(--hero-media-ratio);
  margin: 0 auto;
  background: #d9dfe6;
  overflow: visible;
  position: relative;
  isolation: isolate;
  border-radius: calc(18px - 18px * var(--hero-progress));
  transform: translateY(calc(28px - 28px * var(--hero-progress)));
  box-shadow: 0 calc(12px - 7px * var(--hero-progress)) calc(32px - 10px * var(--hero-progress)) rgba(8, 22, 40, calc(0.16 - 0.08 * var(--hero-progress)));
  will-change: width, transform, border-radius;
}

.hero-video-scene.is-static {
  width: 100%;
  height: auto;
  margin: calc(30 * var(--u)) 0 0;
}

.hero-video-scene.is-static .hero-video-stage {
  position: relative;
  min-height: 0;
  overflow: visible;
}

.hero-video-scene.is-static .hero-visual {
  width: 100%;
  transform: none;
  border-radius: 0;
  box-shadow: none;
}

.hero-video-scene.is-static .hero-visual::after {
  display: none;
}

.hero-visual::after {
  content: "";
  position: absolute;
  right: calc(-52 * var(--u) + 52 * var(--u) * var(--hero-progress));
  bottom: 0;
  width: calc(64 * var(--u));
  height: calc(246 * var(--u));
  background-image: radial-gradient(circle, var(--hero-dot) 0 calc(1.45 * var(--u)), transparent calc(1.7 * var(--u)));
  background-size: calc(8 * var(--u)) calc(8 * var(--u));
  background-position: center top;
  pointer-events: none;
  z-index: 0;
  opacity: calc(1 - var(--hero-progress));
}

.hero-video {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background: #d9dfe6;
}

.hero-date {
  position: absolute;
  right: calc(12 * var(--u));
  top: calc(8 * var(--u));
  z-index: 2;
  padding: calc(2 * var(--u)) calc(8 * var(--u)) calc(3 * var(--u));
  background: #1b447e;
  color: #fff;
  font-family: var(--font-sans-cjk);
  font-size: calc(20 * var(--u));
  line-height: 1;
  letter-spacing: calc(1 * var(--u));
}

.section-title-row {
  display: flex;
  align-items: baseline;
  gap: calc(14 * var(--u));
  position: relative;
  z-index: 2;
  top: 53px;
}

.section-title {
  font-family: var(--font-sans-cjk);
  font-size: 70px;
  line-height: 1;
  font-weight: 400;
}

.more-link {
  font-family: var(--font-sans-cjk);
  font-size: 20px;
  line-height: 1.2;
  transform: translateY(calc(-2 * var(--u)));
  white-space: nowrap;
  display: inline-flex;
  flex-direction: column;
  align-items: left;
  gap: calc(2 * var(--u));
  position: relative;
  top: -2px;
  left: calc(22 * var(--u));
}

.more-link,
.more-link:link,
.more-link:visited,
.more-link:hover,
.more-link:active,
.more-link:focus {
  color: inherit;
  text-decoration: none;
}

.more-link .more-arrow {
  width: 90px;
  height: 90px;
  background-image: url("/assets/images/shared/more-arrow.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: left;
  margin-top: -42px;
}
.more-link .more-arrow2 {
  width: 90px;
  height: 90px;
  background-image: url("/assets/images/shared/more-arrow2.gif");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: left;
  margin-top: -38px;
}
.what-section {
  --curve-content-start: clamp(150px, 15vw, 230px);
  --curve-content-end-gap: clamp(44px, 6vw, 120px);
  --curve-track-width: min(1040px, calc(100% - var(--curve-content-start) - var(--curve-content-end-gap)));
  margin-top: calc(3 * var(--u));
  position: relative;
}

.what-shell {
  margin-top: calc(20 * var(--u));
  position: relative;
  padding: calc(16 * var(--u)) calc(28 * var(--u)) 0;
  isolation: isolate;
}

.what-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: calc(224 * var(--u));
  gap: calc(30 * var(--u));
  width: 100%;
  margin: 0;
  position: relative;
  z-index: 2;
}

.what-card {
  border-radius: calc(11 * var(--u));
  overflow: hidden;
  height: 100%;
  background: #d6e8ef;
}

.what-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.what-wire {
  position: absolute;
  right: calc(-9 * var(--u));
  top: calc(-74 * var(--u));
  width: calc(590 * var(--u));
  height: calc(500 * var(--u));
  pointer-events: none;
  z-index: 2;
}

.what-wire svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.what-wire path {
  fill: none;
  stroke: #000;
  stroke-width: 1px;
  vector-effect: non-scaling-stroke;
  stroke-linecap: butt;
  stroke-linejoin: round;
}

.what-track-dot {
  fill: #111;
}

.what-wire-lower-reveal {
  stroke: #6f6f6f;
  stroke-width: 1px;
  vector-effect: non-scaling-stroke;
  stroke-linecap: butt;
  stroke-linejoin: round;
  stroke-dasharray: 100 1000;
  stroke-dashoffset: 100;
  animation: what-wire-lower-reveal 3.8s linear forwards;
}

@keyframes what-wire-lower-reveal {
  to {
    stroke-dashoffset: 0;
  }
}

.what-desc-wrap {
  width: min(var(--curve-track-width), calc(100% - var(--curve-content-start) - var(--curve-content-end-gap)));
  margin: calc(35 * var(--u)) 0 0 var(--curve-content-start);
  min-height: calc(54 * var(--u));
  padding: calc(12 * var(--u)) 0 0;
  position: relative;
}


.what-desc {
  width: 100%;
  max-width: none;
  margin: 0;
  padding-right: 0;
  font-family: var(--font-sans-cjk);
  font-size: 18px;
  line-height: 24px;
  color: #171717;
  text-align: justify;
}

.core-section {
  --curve-content-start: clamp(150px, 15vw, 230px);
  --curve-content-end-gap: clamp(44px, 6vw, 120px);
  --curve-track-width: min(1040px, calc(100% - var(--curve-content-start) - var(--curve-content-end-gap)));
  --core-arrow-width: clamp(74px, 6.4vw, 88px);
  --core-arrow-height: calc(var(--core-arrow-width) * 6 / 78);
  --core-more-text-gap: clamp(5px, 0.45vw, 8px);
  --core-title-lift: clamp(12px, 1vw, 18px);
  --core-more-anchor-x: calc(100% - var(--core-arrow-width));
  --core-more-align-shift: 0px;
  margin-top: calc(56 * var(--u));
  position: relative;
}

.core-title-box {
  width: min(var(--curve-track-width), calc(100% - var(--curve-content-start) - var(--curve-content-end-gap)));
  max-width: none;
  margin-left: var(--curve-content-start);
  padding: 0;
  position: relative;
}

.core-head {
  position: relative;
  width: 100%;
  max-width: none;
  min-height: clamp(82px, 7.2vw, 118px);
}

.core-title-box .section-title {
  display: block;
  width: 100%;
  margin: 0;
  padding-bottom: var(--core-title-lift);
  font-size: clamp(56px, calc(24 * var(--u)), 70px);
  line-height: 0.96;
  transform: none;
}

.more-link2 {
  position: absolute;
  left: var(--core-more-anchor-x);
  bottom: 0;
  width: var(--core-arrow-width);
  top: auto;
  left: 650px;
  transform: translateY(var(--core-more-align-shift));
  margin: 0;
  font-size: clamp(14px, 1vw, 18px);
  line-height: 1;
  letter-spacing: 0.03em;
  display: inline-grid;
  justify-items: start;
  row-gap: var(--core-more-text-gap);
  white-space: nowrap;
}

.more-link2::before {
  display: none;
}


.more-link2 .more-arrow,
.more-link2 .more-arrow2 {
  display: block;
  width: var(--core-arrow-width);
  height: var(--core-arrow-height);
  margin-top: 0;
  background-size: 100% 100%;
  background-position: left center;
}

.core-grid {
  margin-top: calc(57 * var(--u));
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: calc(18 * var(--u));
  padding: 0 calc(56 * var(--u));
}

.core-card {
  text-align: center;
}

.core-media {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #fff;
}

.core-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.metric {
  margin-top: 50px;
  font-family: var(--font-sans-cjk);
  font-size: 50px;
  line-height: 1;
  letter-spacing: calc(0.6 * var(--u));
}

.metric-note {
  width: calc(66 * var(--u));
  margin: calc(6 * var(--u)) auto 0;
  border-top: 1px solid #474747;
  padding-top: calc(4 * var(--u));
  font-size: 20px;
  line-height: 1.2;
  color: #2e2e2e;
}

.bench-section {
  margin-top: clamp(44px, calc(44 * var(--u)), 110px);
  position: relative;
  padding: clamp(4px, 0.5vw, 10px) 0 clamp(10px, 1vw, 24px);
  min-height: clamp(420px, 42vw, 600px);
}

.bench-wire {
  position: absolute;
  left: clamp(0px, 0.6vw, 10px);
  top: clamp(0px, 0.4vw, 8px);
  width: clamp(288px, 12vw, 126px);
  height: clamp(288px, 12vw, 126px);
  pointer-events: none;
  overflow: hidden;
}

.bench-curve {
  display: none;
}

.bench-ball-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.bench-ball-track {
  fill: none;
  stroke: #828282;
  stroke-width: 1px;
  vector-effect: non-scaling-stroke;
  stroke-linecap: butt;
  stroke-linejoin: round;
}

.bench-ball {
  fill: #111;
}

.bench-head {
  width: min(100%, 760px);
  margin-left: auto;
  margin-right: 0;
  padding-right: clamp(4px, 1.2vw, 18px);
  text-align: center;
}

.bench-title {
  font-family: var(--font-sans-cjk);
  font-size: 70px;
  line-height: 1.1;
  font-weight: 100;
  text-transform: uppercase;
  text-align: right;
}

.bench-more-row {
  margin-top: calc(10 * var(--u));
  display: flex;
  align-items: center;
  gap: calc(10 * var(--u));
}
.bench-more-row .more-link {
  top: 5px;
}
.bench-line {
  flex: 1;
  height: calc(1 * var(--u));
  position: relative;
  overflow: hidden;
}

.bench-line::before {
  content: "";
  position: absolute;
  inset: 0;
  background: #262626;
  transform: scaleX(0);
  transform-origin: left center;
}

.bench-section.is-visible .bench-line::before {
  animation: bench-line-reveal 1s ease-out forwards;
}

@keyframes bench-line-reveal {
  to {
    transform: scaleX(1);
  }
}

.cert-grid {
  width: calc(1200 * var(--u));
  margin: calc(16 * var(--u)) auto 0;
  display: grid;
  grid-template-columns: calc(188 * var(--u)) 1fr;
  gap: calc(38 * var(--u));
  align-items: start;
}

.fda-card {
  height: calc(288 * var(--u));
  border: calc(5 * var(--u)) solid #c8c8c8;
  overflow: hidden;
  background: #fff;
}

.fda-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cert-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(10 * var(--u));
  align-items: start;
}

.cert-card {
  height: calc(188 * var(--u));
  border: calc(5 * var(--u)) solid #c8c8c8;
  overflow: hidden;
  background: #fff;
}

.cert-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.bench-head {
  width: min(100%, 920px);
  padding-right: clamp(4px, 1.2vw, 18px);
}

.bench-title {
  font-family: var(--font-sans-cjk);
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.12;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: none;
  color: #101010;
  white-space: nowrap;
}

.bench-more-row {
  margin-top: clamp(94px, 2vw, 28px);
  gap: clamp(12px, 1.4vw, 18px);
  width: min(100%, 680px);
  margin-left: auto;
  margin-right: 0;
  align-items: flex-start;
}

.bench-more-row .more-link {
  top: -12px;
  left: 0;
  transform: none;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  font-family: var(--font-sans-cjk);
  font-size: 14px;
  letter-spacing: 0.08em;
  line-height: 1;
  position: relative;
}

.bench-more-row .more-link .more-arrow,.bench-more-row .more-link .more-arrow2 {
  width: 48px;
  height: 48px;
  margin-top: -21px;
  background-position: left center;
}

.bench-line {
  flex: 1 1 auto;
  height: 1px;
  min-width: clamp(180px, 28vw, 520px);
  margin-top: 7px;
  background: #fff;
}

.cert-grid {
  width: 1200px;
  margin: 0 auto;
  max-width: none;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.34fr);
  column-gap: clamp(34px, 4.4vw, 88px);
  align-items: end;
  box-sizing: border-box;
  padding-bottom: 0;
  margin-top: 0;
}

.cert-grid > * {
  min-width: 0;
}

.cert-frame {
  margin: 0;
  border: clamp(6px, 0.6vw, 8px) solid #d2cfca;
  background: #fbfbf9;
  padding: clamp(6px, 0.55vw, 8px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.85);
}

.fda-card {
  height: auto;
  width: min(100%, clamp(330px, 30vw, 430px));
  max-width: none;
  justify-self: start;
  align-self: end;
}

.fda-card img {
  height: auto;
  object-fit: contain;
}

.cert-sheet {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 100%;
  border: 1px solid #ece8e3;
  background: #fff;
}

.fda-card .cert-sheet {
  aspect-ratio: 0.67;
  padding: 20px 18px 14px;
  background: #fffdfb;
}

.cert-fda-watermark {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    repeating-linear-gradient(-32deg, rgba(0, 0, 0, 0.06) 0 2px, transparent 2px 36px),
    radial-gradient(circle at 70% 56%, rgba(0, 0, 0, 0.05) 0 52px, transparent 52px);
  mix-blend-mode: multiply;
}

.cert-fda-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.cert-fda-mark {
  flex-shrink: 0;
  padding: 2px 5px 1px;
  border: 2px solid #111;
  font-family: var(--font-sans-cjk);
  font-size: 17px;
  line-height: 1;
  letter-spacing: 0.04em;
}

.cert-fda-brand strong {
  display: block;
  font-size: 11px;
  line-height: 1.25;
  font-weight: 600;
}

.cert-fda-brand span {
  display: block;
  margin-top: 2px;
  font-size: 8px;
  line-height: 1.25;
  letter-spacing: 0.03em;
}

.cert-fda-rule {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 3px;
  margin: 10px 0 14px;
  background: linear-gradient(90deg, #66c7ff 0%, #66c7ff 82%, transparent 82%);
}

.cert-doc-title {
  position: relative;
  z-index: 1;
  font-size: 18px;
  line-height: 1.2;
  font-weight: 700;
  color: #171717;
}

.cert-meta {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.cert-meta div {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 6px;
  align-items: start;
}

.cert-meta dt {
  font-size: 7px;
  line-height: 1.35;
  text-transform: uppercase;
  color: #444;
}

.cert-meta dd {
  font-size: 8px;
  line-height: 1.4;
  color: #1a1a1a;
}

.cert-meta--fda dd {
  font-size: 8.5px;
}

.cert-fda-seal {
  position: absolute;
  left: 50%;
  top: 55%;
  transform: translate(-50%, -50%);
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 8px solid rgba(160, 160, 160, 0.45);
  color: rgba(140, 140, 140, 0.7);
  font-family: var(--font-sans-cjk);
  font-size: 46px;
  line-height: 94px;
  text-align: center;
  letter-spacing: 0.04em;
}

.cert-fda-sign {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 10px;
  font-size: 8px;
}

.cert-fda-sign em {
  font-family: var(--font-sans-cjk);
  font-size: 24px;
  line-height: 1;
  font-style: italic;
  color: #4f4f4f;
}

.cert-pair {
  width: min(100%, clamp(520px, 47vw, 700px));
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 28px);
  align-items: end;
  align-self: end;
  justify-self: end;
  padding-bottom: clamp(4px, 0.6vw, 10px);
}

.cert-card {
  height: auto;
  width: 100%;
  max-width: none;
  align-self: end;
}

.cert-card img {
  height: auto;
  object-fit: contain;
}

.cert-card .cert-sheet {
  aspect-ratio: 0.82;
  padding: 16px 16px 14px;
  background: linear-gradient(180deg, #f7fbff 0%, #ffffff 30%, #fdfdfd 100%);
}

.cert-sheet--iso::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(115, 155, 214, 0.12) 0%, transparent 55%),
    linear-gradient(90deg, rgba(115, 155, 214, 0.08) 0%, transparent 60%);
}

.cert-iso-watermark {
  position: absolute;
  right: 18px;
  bottom: 32px;
  font-family: var(--font-sans-cjk);
  font-size: 120px;
  line-height: 0.8;
  color: rgba(123, 159, 217, 0.12);
  pointer-events: none;
}

.cert-sheet-label,
.cert-sheet-title,
.cert-sheet-standard,
.cert-sheet-copy,
.cert-meta--iso,
.cert-iso-footer {
  position: relative;
  z-index: 1;
}

.cert-sheet-label {
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: #4e4e4e;
}

.cert-sheet-title {
  margin-top: 10px;
  font-size: 11px;
  line-height: 1.3;
  font-weight: 600;
  color: #1f1f1f;
}

.cert-sheet-standard {
  margin-top: 3px;
  font-size: 8px;
  line-height: 1.4;
  color: #3c4c63;
}

.cert-sheet-copy {
  margin-top: 16px;
  width: 88%;
  font-size: 7px;
  line-height: 1.55;
  color: #4d4d4d;
}

.cert-meta--iso {
  margin-top: 34px;
  gap: 6px;
}

.cert-meta--iso div {
  grid-template-columns: 38px 1fr;
}

.cert-meta--iso dt {
  font-size: 6px;
  color: #54657b;
}

.cert-meta--iso dd {
  font-size: 6.6px;
  color: #1b1b1b;
}

.cert-iso-footer {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-family: var(--font-sans-cjk);
  font-size: 10px;
  color: #4e6177;
}

.media-section {
  margin-top: calc(40 * var(--u));
  display: grid;
  grid-template-columns: 1fr calc(320 * var(--u));
  gap: calc(20 * var(--u));
  align-items: stretch;
  padding-bottom: calc(10 * var(--u));
}

.media-left {
  position: relative;
  padding-right: calc(16 * var(--u));
  min-height: calc(246 * var(--u));
}

.media-left::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 1px;
  height: 100%;
  background: #7e7e7e;
  transform: scaleY(0);
  transform-origin: top center;
}

.media-section.is-visible .media-left::after {
  animation: media-divider-reveal 1s ease-out forwards;
}

@keyframes media-divider-reveal {
  to {
    transform: scaleY(1);
  }
}

.media-desc {
  margin-top: calc(18 * var(--u));
  font-size: calc(10 * var(--u));
  line-height: 1.45;
  color: #111;
}

.rings {
  margin-top: calc(54 * var(--u));
  margin-left: calc(13 * var(--u));
  width: calc(111 * var(--u));
  height: calc(54 * var(--u));
  position: relative;
  overflow: visible;
}

.ring {
  position: absolute;
  top: 0;
  width: calc(54 * var(--u));
  height: calc(54 * var(--u));
  border-radius: 50%;
  border: none;
}

.ring:first-child {
  left: 0;
}

.ring:last-child {
  left: calc(57 * var(--u));
}

.rings-flow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

.ring-flow {
  fill: none;
  stroke: #2c2c2c;
  stroke-width: 1px;
  vector-effect: non-scaling-stroke;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
  stroke-dasharray: 0 100;
  stroke-dashoffset: 0;
  transform-box: fill-box;
  transform-origin: center;
  transform: rotate(48deg);
}

.media-section.is-visible .ring-flow-left {
  animation: ring-draw-in 1.05s linear forwards;
}

.media-section.is-visible .ring-flow-right {
  animation: ring-draw-in 1.05s linear 0.35s forwards;
}

@keyframes ring-draw-in {
  0% {
    opacity: 1;
    stroke-dasharray: 0 100;
  }
  100% {
    opacity: 1;
    stroke-dasharray: 100 0;
    stroke-dashoffset: 0;
  }
}

.media-photo {
  overflow: hidden;
  height: calc(252 * var(--u));
}

.media-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.form-band {
  background: var(--footer-gray);
  border-top: calc(1 * var(--u)) solid #c8c8c8;
  display: grid;
  grid-template-columns: 1fr calc(258 * var(--u));
  gap: calc(24 * var(--u));
  padding: calc(12 * var(--u)) calc(18 * var(--u)) calc(14 * var(--u));
}

.footer-title {
  font-family: var(--font-sans-cjk);
  font-size: calc(17 * var(--u));
  letter-spacing: calc(1.8 * var(--u));
  margin-bottom: calc(8 * var(--u));
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.8fr;
  gap: calc(16 * var(--u));
}

.form-col {
  display: grid;
  gap: calc(8 * var(--u));
  align-content: start;
}

.form-grid label {
  font-size: calc(9 * var(--u));
  line-height: 1;
  color: #171717;
}

.form-required {
  margin-left: calc(2 * var(--u));
  color: #9a6b3b;
}

.form-grid input,
.form-grid textarea,
.form-grid select {
  width: 100%;
  border: 1px solid #5f5f5f;
  background: #d9d9d9;
  height: calc(17 * var(--u));
  padding: 0 calc(4 * var(--u));
  font-size: calc(10 * var(--u));
  outline: none;
  border-radius: calc(2 * var(--u));
}

.form-grid select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: calc(14 * var(--u));
  background-image:
    linear-gradient(45deg, transparent 50%, #5f5f5f 50%),
    linear-gradient(135deg, #5f5f5f 50%, transparent 50%);
  background-position:
    calc(100% - calc(9 * var(--u))) calc(50% - calc(1 * var(--u))),
    calc(100% - calc(6 * var(--u))) calc(50% - calc(1 * var(--u)));
  background-size: calc(3 * var(--u)) calc(3 * var(--u));
  background-repeat: no-repeat;
  font-size: 16px;
}

.form-grid textarea {
  height: calc(64 * var(--u));
  resize: none;
  padding: calc(2 * var(--u)) calc(4 * var(--u)) calc(16 * var(--u)) calc(4 * var(--u));
  border-radius: calc(2 * var(--u));
}

.form-col-message {
  gap: calc(7 * var(--u));
}

.form-message-box {
  position: relative;
}

.form-actions {
  position: absolute;
  right: calc(4 * var(--u));
  bottom: calc(4 * var(--u));
  display: flex;
  justify-content: flex-end;
  padding-top: 0;
}

.form-submit {
  min-width: calc(42 * var(--u));
  height: calc(12 * var(--u));
  padding: 0 calc(6 * var(--u));
  border: calc(0 * var(--u)) solid rgba(111, 77, 45, 0.58);
  background: linear-gradient(180deg, rgba(255, 248, 239, 0.94) 0%, rgba(235, 223, 211, 0.98) 100%);
  color: #6f4d2d;
  font-family: var(--font-sans-cjk);
  font-size: calc(7.4 * var(--u));
  letter-spacing: calc(0.5 * var(--u));
  box-shadow: 0 calc(1.2 * var(--u)) calc(4 * var(--u)) rgba(111, 77, 45, 0.12);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.form-submit:hover {
  background: linear-gradient(180deg, rgba(247, 238, 228, 0.98) 0%, rgba(230, 214, 196, 1) 100%);
  border-color: rgba(111, 77, 45, 0.8);
  color: #5f4124;
  box-shadow: 0 calc(1.6 * var(--u)) calc(5 * var(--u)) rgba(111, 77, 45, 0.18);
  transform: translateY(calc(-0.5 * var(--u)));
}

.form-submit:focus-visible {
  outline: calc(1 * var(--u)) solid rgba(111, 77, 45, 0.75);
  outline-offset: calc(1.5 * var(--u));
}
@media (max-width: 767px) {
  .form-message-box textarea {
    padding: 10px 12px 54px 12px;
  }

  .form-col-message .form-actions {
    right: 10px;
    bottom: 10px;
  }

  .form-message-box .form-submit {
    min-width: 92px;
    height: 34px;
    padding: 0 16px;
    font-size: 12px;
    letter-spacing: 0.04em;
  }
}

.join {
  display: grid;
  grid-template-columns: minmax(0, 1fr) calc(70 * var(--u));
  gap: calc(14 * var(--u));
  align-items: start;
  padding-top: calc(2 * var(--u));
}

.join p {
  font-size: calc(9 * var(--u));
  line-height: 1.52;
  color: #171717;
}

.seal {
  width: calc(70 * var(--u));
  height: calc(70 * var(--u));
  margin-top:60px;
}



.bottom-band {
  background: var(--footer-brown);
  min-height: calc(84 * var(--u));
  display: grid;
  grid-template-columns: 1fr calc(1 * var(--u)) calc(176 * var(--u));
  align-items: center;
  gap: calc(14 * var(--u));
  padding: calc(10 * var(--u)) calc(36 * var(--u));
}

.footer-divider {
  width: calc(1 * var(--u));
  height: calc(56 * var(--u));
  background: #70543d;
  justify-self: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: calc(10 * var(--u));
}

.brand .logo-main {
  font-size: calc(30 * var(--u));
}

.brand .logo-sub {
  font-size: calc(7 * var(--u));
  letter-spacing: calc(0.9 * var(--u));
}

.brand-copy {
  font-size: calc(8.5 * var(--u));
  line-height: 1.44;
  color: #2a2119;
}

.qr-wrap {
  display: flex;
  align-items: center;
  gap: calc(8 * var(--u));
  justify-self: end;
}

.qr-wrap p {
  font-size: calc(9 * var(--u));
  text-align: right;
  line-height: 1.34;
  color: #281f17;
}

.qr {
  width: calc(62 * var(--u));
  height: calc(62 * var(--u));
  border: calc(3 * var(--u)) solid #fff;
  background: #fff;
}
.cert-card:first-child {
  margin-left:0px;
}
@media (max-width: 1420px) {
  .cert-grid {
    width: min(100%, 980px);
    grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1fr);
    column-gap: clamp(18px, 3vw, 34px);
    justify-content: start;
  }
  .cert-card:first-child {
    margin-left:-20px;
  }
}

@media (max-width: 760px) {
  .page {
    width: 100%;
  }

  .inner {
    width: calc(100% - 28px);
  }

  .page::before,
  .page::after {
    display: none;
  }

  .hero-top {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .hero-title::before {
    left: -10px;
    top: 8px;
    width: calc(100% + 10px);
    height: calc(100% - 14px);
    background-size: 16px 16px;
  }

  .hero-copy {
    max-width: none;
  }

  .hero-video-scene {
    width: 100%;
    height: auto;
    margin: 18px 0 0;
  }

  .hero-video-stage {
    position: relative;
    min-height: 0;
    overflow: visible;
  }

  .hero-visual {
    width: 100%;
    aspect-ratio: var(--hero-media-ratio);
    min-height: 180px;
    transform: none;
    border-radius: 0;
    box-shadow: none;
  }

  .hero-visual::after {
    display: none;
  }

  .hero-date {
    right: 12px;
    top: 10px;
    font-size: 12px;
    padding: 4px 8px;
  }

  .what-shell {
    padding: 0;
  }

  .what-grid {
    gap: 12px;
  }

  .what-wire,
  .bench-wire {
    display: none;
  }

  .what-desc-wrap {
    width: 100%;
    margin-left: 0;
    padding-top: 8px;
  }

  .what-desc {
    max-width: none;
    margin-left: 0;
    padding-right: 0;
  }

  .core-title-box {
    width: 100%;
    margin-left: 0;
    padding-left: 0;
  }

  .core-head {
    display: flex;
    flex-direction: column;
    max-width: none;
    row-gap: 8px;
    align-items: flex-start;
    min-height: 0;
  }

  .more-link2 {
    position: static;
    justify-self: auto;
    align-self: flex-start;
    width: auto;
  }

  .more-link2::before {
    display: none;
  }

  .core-grid {
    gap: 12px;
    padding: 0;
  }

  .bench-head,
  .cert-grid {
    width: 100%;
  }

  .cert-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .cert-pair {
    gap: 10px;
  }

  .media-section {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .media-left {
    border-right: none;
    border-bottom: 1px solid #7d7d7d;
    padding-right: 0;
    padding-bottom: 12px;
  }

  .media-left::after {
    display: none;
  }

  .form-band {
    grid-template-columns: 1fr;
    padding: 12px 14px 14px;
  }

  .form-grid {
    grid-template-columns: 1fr 1fr;
  }

  .form-grid .form-col:last-child {
    grid-column: 1 / -1;
  }

  .bottom-band {
    grid-template-columns: 1fr;
  }

  .footer-divider {
    display: none;
  }

  .qr-wrap {
    justify-self: start;
  }
}

@media (max-width: 520px) {
  .what-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .what-card {
    height: auto;
    aspect-ratio: 4 / 5;
  }

  .core-grid {
    grid-template-columns: 1fr;
  }

  .cert-pair {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .form-col {
    gap: 6px;
  }

  .form-grid label {
    font-size: 12px;
    margin-bottom: 2px;
  }

  .form-grid input,
  .form-grid textarea,
  .form-grid select {
    height: 36px;
    padding: 0 10px;
    font-size: 14px;
    border-radius: 4px;
  }

  .form-grid textarea {
    height: 100px;
    padding-top: 8px;
  }

  .form-actions {
    padding-top: 2px;
  }

  .form-submit {
    min-width: 96px;
    height: 34px;
    padding: 0 14px;
    font-size: 13px;
    letter-spacing: 0.03em;
  }

  .brand {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

@media (max-width: 880px) {
  .bench-head {
    width: 100%;
    padding-right: 0;
  }

  .bench-more-row {
    width: 100%;
  }

  .cert-grid {
    width: 100%;
    max-width: 460px;
    grid-template-columns: 1fr;
    row-gap: 14px;
    padding: 0;
    justify-items: center;
  }

  .fda-card,
  .cert-card {
    max-width: none;
  }

  .fda-card {
    width: min(100%, 360px);
    justify-self: center;
  }

  .cert-pair {
    width: min(100%, 380px);
    max-width: none;
    justify-self: center;
    gap: 8px;
  }
}

@media (max-width: 520px) {
  .bench-title {
    font-size: 24px;
    letter-spacing: 0.03em;
  }

  .bench-more-row .more-link {
    font-size: 13px;
  }

  .fda-card,
  .cert-card,
  .cert-pair {
    width: min(100%, 320px);
  }
}
