:root {
  --ink: #171421;
  --ink-soft: #5d5968;
  --purple: #6c5ce7;
  --purple-deep: #534ab7;
  --purple-pale: #f7f5ff;
  --line: #e8e5f2;
  --white: #ffffff;
  --header-height: 86px;
  --content-width: 1200px;
}

.solution,
.products,
.why-plateer {
  padding: 120px 24px
}

.solution {
  background: #F5F5F7
}

.solution h2 {
  margin: 0;
  text-align: center;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.45;
  letter-spacing: -.025em;
  font-weight: 600
}

.products {
  background: #FFFFFF
}

.why-plateer {
  background: #F5F5F7
}

.agentic-commerce-diagram {
  position: relative;
  overflow: hidden;
  margin: 70px 0 0;
  padding: 38px 40px 46px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 24px
}

.role-map {
  position: relative;
  z-index: 1;
  min-height: 690px;
  margin-top: 26px
}

.role-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 520px;
  height: 520px;
  border: 1px dashed #bdb4ee;
  border-radius: 50%;
  transform: translate(-50%, -43%);
  animation: role-orbit-spin 50s linear infinite;
}

.role-orbit-inner {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 360px;
  height: 360px;
  border: 1px dashed #d8d2f5;
  border-radius: 50%;
  transform: translate(-50%, -43%);
  animation: role-orbit-spin-reverse 34s linear infinite;
}

@keyframes role-orbit-spin {
  from { transform: translate(-50%, -43%) rotate(0deg); }
  to { transform: translate(-50%, -43%) rotate(360deg); }
}

@keyframes role-orbit-spin-reverse {
  from { transform: translate(-50%, -43%) rotate(0deg); }
  to { transform: translate(-50%, -43%) rotate(-360deg); }
}

.role-flow-wrap {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 520px;
  height: 520px;
  transform: translate(-50%, -43%);
  animation: role-orbit-spin 12s linear infinite;
  pointer-events: none;
}

.role-flow-dot {
  position: absolute;
  top: 0;
  left: 50%;
  width: 8px;
  height: 8px;
  margin-left: -4px;
  border-radius: 50%;
  background: var(--purple);
  box-shadow: 0 0 8px 1px rgba(108, 92, 231, .6);
}

.role-flow-wrap.f2 { animation-delay: -2s; }
.role-flow-wrap.f3 { animation-delay: -4s; }
.role-flow-wrap.f4 { animation-delay: -6s; }
.role-flow-wrap.f5 { animation-delay: -8s; }
.role-flow-wrap.f6 { animation-delay: -10s; }

.role-map::before {
  content: "";
  position: absolute;
  top: calc(50% + 36px);
  left: 0;
  width: 100%;
  height: 0;
  border-top: 1px dashed #bdb4ee
}

.role-map::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 0;
  height: 100%;
  border-left: 1px dashed #bdb4ee
}

.role-card {
  position: absolute;
  z-index: 2;
  width: 300px;
  min-height: 205px;
  padding: 22px 24px;
  background: var(--purple-pale);
  border: 1px solid var(--line);
  border-radius: 14px
}

.role-card.top {
  top: 18px;
  left: calc(50% - 150px)
}

.role-card.left {
  bottom: 28px;
  left: 6%
}

.role-card.right {
  right: 6%;
  bottom: 28px
}

@keyframes role-card-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

.role-card.top.in {
  animation: role-card-float 4.2s ease-in-out infinite;
  animation-delay: .7s;
}

.role-card.left.in {
  animation: role-card-float 4.6s ease-in-out infinite;
  animation-delay: .85s;
}

.role-card.right.in {
  animation: role-card-float 3.8s ease-in-out infinite;
  animation-delay: 1s;
}

.role-card label {
  padding: 5px 9px;
  color: #fff;
  background: var(--purple-deep);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600
}

.role-card i {
  float: right;
  color: var(--purple-deep);
  font: 600 14px Inter
}

.role-card strong {
  display: block;
  margin-top: 24px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: -.015em;
  color: var(--ink)
}

.role-card p {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75
}

.role-core {
  position: absolute;
  top: 52%;
  left: 50%;
  z-index: 3;
  width: 260px;
  height: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
  background: linear-gradient(145deg, var(--purple), var(--purple-deep));
  border: 10px solid #f0edff;
  border-radius: 50%;
  transform: translate(-50%, -43%)
}

.role-core small {
  font-size: 24px;
  font-weight: 600
}

.role-core strong {
  margin-top: 9px;
  font-size: 16px;
  font-weight: 600
}

.product-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff
}

.product-copy {
  padding: 48px
}

.product-copy>small {
  display: block;
  margin-bottom: 26px;
  color: #777;
  font: 600 12px Inter
}

.product-copy img {
  display: block;
  height: 34px;
  max-width: 180px;
  object-fit: contain;
  object-position: left
}

.product-copy label {
  display: block;
  margin-top: 14px;
  color: #777;
  font-size: 12px
}

.product-copy h3 {
  font-size: clamp(24px, 2.4vw, 36px);
  line-height: 1.48
}

.product-copy>p {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.9
}

.product-copy ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  list-style: none
}

.product-copy li {
  padding: 7px 11px;
  background: #f7f5ff;
  border-radius: 99px;
  color: var(--purple);
  font-size: 12px
}

.product-copy a {
  font-size: 14px;
  font-weight: 600;
  border-bottom: 1px solid
}

.product-visual,
.mini-visual {
  min-height: 360px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #f7f5ff, #e9e4ff)
}

.genser .product-copy img {
  height: 41px
}

.genser .product-copy h3 {
  font-size: 18px;
  font-weight: 500
}

.genser .product-copy label,
.genser .product-copy>p {
  font-size: 16px
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 36px
}

.mini-visual {
  min-height: 260px
}

.gelatto .mini-visual {
  background: #fff0fc
}

.genrank .mini-visual {
  background: #eef2ea
}

.genser,
.gelatto,
.genrank {
  display: grid;
  grid-template-columns: 4.5fr 5.5fr
}

.gelatto {
  grid-template-columns: 5.5fr 4.5fr
}

.gelatto .product-copy img,
.genrank .product-copy img {
  height: 41px
}

.gelatto .product-copy h3,
.genrank .product-copy h3 {
  font-size: 18px;
  font-weight: 500
}

.gelatto .product-copy label,
.gelatto .product-copy>p,
.genrank .product-copy label,
.genrank .product-copy>p {
  font-size: 16px
}

.genser .hero-cta {
  border-radius: 999px;
  border-color: var(--purple);
  color: var(--purple-deep);
  background: #fff
}

.genser .hero-cta:hover {
  background: var(--purple-pale)
}

.gelatto .hero-cta {
  border-radius: 999px;
  border-color: #fc609c;
  color: #e0428a;
  background: #fff
}

.gelatto .hero-cta:hover {
  background: #feebf3
}

.genrank .hero-cta {
  border-radius: 999px;
  border-color: #00cc9c;
  color: #00997a;
  background: #fff
}

.genrank .hero-cta:hover {
  background: #e0f8f3
}

.why-plateer-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px
}

.reveal {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity .6s cubic-bezier(.16,1,.3,1), transform .6s cubic-bezier(.16,1,.3,1)
}

.reveal.in {
  opacity: 1;
  transform: none
}

/* staggered sequence for multi-item groups */
.role-map .role-card:nth-of-type(1) { transition-delay: 0s; }
.role-map .role-card:nth-of-type(2) { transition-delay: .08s; }
.role-map .role-card:nth-of-type(3) { transition-delay: .16s; }

.challenges-grid > .reveal:nth-child(1) { transition-delay: 0s; }
.challenges-grid > .reveal:nth-child(2) { transition-delay: .08s; }
.challenges-grid > .reveal:nth-child(3) { transition-delay: .16s; }
.challenges-grid > .reveal:nth-child(4) { transition-delay: .24s; }

.genser.reveal { transition-delay: .08s; }
.product-grid > .reveal:nth-child(1) { transition-delay: .08s; }
.product-grid > .reveal:nth-child(2) { transition-delay: .16s; }

.why-plateer-cards > .reveal:nth-child(1) { transition-delay: 0s; }
.why-plateer-cards > .reveal:nth-child(2) { transition-delay: .08s; }
.why-plateer-cards > .reveal:nth-child(3) { transition-delay: .16s; }
.why-plateer-cards > .reveal:nth-child(4) { transition-delay: .24s; }

@media(max-width:1020px) {

  .genser,
  .gelatto,
  .genrank {
    grid-template-columns: 1fr
  }

  .role-card.left {
    left: 0
  }

  .role-card.right {
    right: 0
  }
}

@media(max-width:760px) {

  .solution,
  .products,
  .why-plateer {
    padding: 88px 20px
  }

  .agentic-commerce-diagram {
    padding: 28px 20px
  }

  .role-map {
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 18px
  }

  .role-orbit,
  .role-orbit-inner,
  .role-flow-wrap {
    display: none
  }

  .role-map::before,
  .role-map::after {
    display: none
  }

  .role-card,
  .role-core {
    position: static;
    width: 100%;
    height: auto;
    min-height: 0;
    transform: none;
    animation: none
  }

  .role-core {
    padding: 28px;
    border-radius: 14px
  }

  .product-copy {
    padding: 32px 24px
  }
}

@media(max-width:430px) {
  .why-plateer-cards {
    grid-template-columns: 1fr
  }
}

@media(prefers-reduced-motion:reduce) {
  .reveal {
    opacity: 1;
    transform: none
  }

  .why-plateer-card-modal,
  .why-plateer-card-modal-panel {
    transition: none
  }

  .role-card,
  .role-orbit,
  .role-orbit-inner,
  .role-flow-wrap {
    animation: none
  }

  .hero h1,
  .hero p,
  .hero-actions,
  .kinetic-char {
    animation: none;
    opacity: 1;
    filter: none;
    transform: none
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  height: var(--header-height);
  background: rgba(255, 255, 255, .8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow .25s ease, background .25s ease, backdrop-filter .25s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 28px rgba(44, 35, 91, .08);
}

.header-inner {
  width: min(calc(100% - 48px), var(--content-width));
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 36px;
}

.brand img {
  display: block;
  width: 184px;
  height: auto;
}

.global-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 38px;
}

.global-nav a {
  position: relative;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .01em;
  transition: color .2s ease;
}

.global-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -15px;
  width: 28px;
  height: 2px;
  background: var(--purple-deep);
  border-radius: 2px;
  transform: translateX(-50%) scaleX(0);
  transition: transform .2s ease;
}

.global-nav a:hover {
  color: var(--purple-deep);
}

.global-nav a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.global-nav a.active {
  color: var(--purple-deep);
  font-weight: 600;
}

.global-nav a.active::after {
  transform: translateX(-50%) scaleX(1);
}

.mobile-panel a.active {
  color: var(--purple-deep);
  font-weight: 600;
}

.mobile-panel a.mobile-panel-sub {
  padding-left: 16px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* プロダクト 호버 드롭다운 (genser / gelatto / genrank) */
/* プロダクトのホバー時ドロップダウンメニュー (genser / gelatto / genrank) */

.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  z-index: 30;
  min-width: 160px;
  margin-top: 14px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 16px 36px rgba(44, 35, 91, .14);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(4px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  white-space: nowrap;
  transition: background .15s ease, color .15s ease;
}

.nav-dropdown-menu a::after {
  content: none;
}

.nav-dropdown-menu a:hover,
.nav-dropdown-menu a.active {
  background: var(--purple-pale);
  color: var(--purple-deep);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 22px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 16px;
  border: 1px solid var(--purple);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.header-cta-primary {
  background: var(--purple);
  color: #fff;
}

.header-cta-primary:hover {
  background: var(--purple-deep);
  border-color: var(--purple-deep);
}

.header-cta-secondary {
  color: var(--purple-deep);
  background: #fff;
}

.header-cta-secondary:hover {
  background: var(--purple-pale);
}

.menu-button,
.mobile-panel {
  display: none;
}

.hero {
  min-height: 720px;
  padding: var(--header-height) 16px 40px;
  display: grid;
  place-items: stretch center;
  background: #fff;
}

.hero-inner {
  position: relative;
  width: calc(100% - 32px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: 32px;
  padding: 240px 40px;
  overflow: hidden;
  background-image: url('../assets/hero-bg.jpg');
  background-size: cover;
  background-position: center;
}

.hero-inner > * {
  position: relative;
  z-index: 1;
}

.hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  z-index: 0;
}

.hero-bg-alt {
  position: absolute;
  inset: 0;
  background-image: url('../assets/hero-bg-mesh-gradient-reference.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.6s ease;
  pointer-events: none;
  z-index: 0;
}

.hero-bg-alt.is-active {
  opacity: 1;
}

@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero h1 {
  margin: 0;
  font-size: clamp(34px, 4.5vw, 56px);
  line-height: 1.35;
  letter-spacing: 0.28px;
  font-weight: 700;
}

.hero-gradient-text {
  background: linear-gradient(135deg, var(--purple), var(--purple-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.kinetic-char {
  display: inline-block;
  opacity: 0;
  transform: translateY(18px);
  animation: kinetic-char-in .5s cubic-bezier(.16,1,.3,1) forwards;
}

@keyframes kinetic-char-in {
  to { opacity: 1; transform: translateY(0); }
}

.hero p {
  max-width: 900px;
  margin: 28px auto 0;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.75;
  font-weight: 500;
  letter-spacing: 0.28px;
  animation: hero-fade-up .7s cubic-bezier(.16,1,.3,1) .8s both;
}

.hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin-top: 36px;
  animation: hero-fade-up .6s cubic-bezier(.16,1,.3,1) 1.1s both;
}

.hero-cta {
  min-width: 190px;
  min-height: 50px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--purple);
  border-radius: 8px;
  font-size: 14px;
  line-height: 1;
  font-weight: 500;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

/* index.html 히어로 섹션 전용 CTA(会社紹介資料/お問い合わせ) — .hero-cta는 제품카드·파트너십 배너 등에서도
   공유하는 베이스 클래스라 여기서 직접 수정하지 않고, .hero-actions로 감싼 히어로 섹션에만 스코핑해
   KARTE.io 대비 폰트/사이즈를 키움(2026-08-12) */
/* index.htmlのヒーローセクション専用CTA(会社紹介資料/お問い合わせ) — .hero-ctaは製品カードやパートナーシップ
   バナーなどでも共有するベースクラスのため、ここでは直接変更せず、.hero-actionsで囲まれたヒーローセクションのみに
   スコープしてKARTE.io対比でフォント/サイズを大きくした(2026-08-12) */
.hero-actions .hero-cta {
  min-height: 64px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
}

.hero-cta-primary {
  background: var(--purple);
  color: #fff;
}

.hero-cta-primary:hover {
  background: var(--purple-deep);
  border-color: var(--purple-deep);
}

.hero-cta-secondary {
  background: #fff;
  color: var(--purple-deep);
}

.hero-cta-secondary:hover {
  background: var(--purple-pale);
}

.challenges {
  padding: 112px 24px 128px;
  background: #FFFFFF;
}

.section-inner {
  width: min(100%, var(--content-width));
  margin: 0 auto;
}

.challenges-label,
.partnership-label {
  display: block;
  color: var(--purple-deep);
  font: 600 18px "Inter", sans-serif;
  letter-spacing: .02em;
}

.challenges-label::after,
.commerce-label::after,
.products-label::after,
.partnership-label::after {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin-top: 12px;
  background: var(--purple);
}

.challenges-grid {
  display: grid;
  grid-template-columns: 300px repeat(3, 1fr);
  gap: 20px;
}

.challenges-copy .challenges-label {
  margin-bottom: 36px;
}

.challenges-copy h2 {
  margin: 0;
  text-align: left;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.45;
  letter-spacing: -.025em;
  font-weight: 600;
}

.challenges-lead {
  margin: 20px 0 0;
  text-align: left;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}

.challenge-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--purple-pale);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 24px;
}

.challenge-card-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: auto;
}

.challenge-number {
  font: 800 68px "Inter", sans-serif;
  line-height: 1;
  letter-spacing: -.03em;
  background: linear-gradient(145deg, var(--purple), var(--purple-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.challenge-icon {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 0;
  width: 96px;
  height: 96px;
  color: rgba(108, 92, 231, .16);
}

.challenge-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.challenge-card h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 20px;
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: -.015em;
  font-weight: 500;
}

.message-lead {
  color: var(--purple-deep);
  margin-bottom: 2px;
}

@media (max-width: 1020px) {
  .challenges-grid {
    grid-template-columns: 1fr;
  }

  .challenges-copy {
    margin-bottom: 32px;
  }
}

.commerce-label {
  display: block;
  text-align: center;
  margin-bottom: 36px;
  color: var(--purple-deep);
  font: 600 18px "Inter", sans-serif;
  letter-spacing: .02em;
}

.commerce-label::after {
  margin-left: auto;
  margin-right: auto;
}

.commerce-head h2 {
  text-align: center;
  white-space: nowrap;
}

.commerce-lead {
  margin: 20px 0 0;
  text-align: center;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
  white-space: nowrap;
}

@media (max-width: 760px) {

  .commerce-head h2,
  .commerce-lead {
    white-space: normal;
  }
}

.products-head {
  margin-bottom: 64px;
  text-align: center;
}

.products-label {
  display: block;
  text-align: center;
  margin-bottom: 36px;
  color: var(--purple-deep);
  font: 600 18px "Inter", sans-serif;
  letter-spacing: .02em;
}

.products-label::after {
  margin-left: auto;
  margin-right: auto;
}

.products-head h2 {
  margin: 0;
  text-align: center;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.45;
  letter-spacing: -.025em;
  font-weight: 600;
}

.products-lead {
  margin: 20px 0 0;
  text-align: center;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}

.why-plateer-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 20px;
}

.why-plateer-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 24px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.why-plateer-card:hover {
  transform: translateY(-4px);
  border-color: var(--purple);
  box-shadow: 0 16px 32px rgba(108, 92, 231, .16);
}

.why-plateer-card-toggle {
  display: flex;
  flex-direction: column;
  flex: 1;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.why-plateer-card-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.why-plateer-card-top .challenge-icon {
  width: auto;
  height: auto;
}

.why-plateer-card-top .challenge-icon svg {
  width: 80px;
  height: 80px;
}

.why-plateer-card-bottom {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
}

.why-plateer-card-toggle h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: -.015em;
  font-weight: 500;
}

.why-plateer-card-arrow {
  color: var(--purple);
  flex-shrink: 0;
  transition: transform .2s ease;
}

.why-plateer-card:hover .why-plateer-card-arrow {
  transform: translateX(4px);
}

.why-plateer-card-arrow svg {
  display: block;
}

.why-plateer-card-detail {
  display: none;
}

.why-plateer-card-detail-inner {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.why-plateer-card-detail-inner p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.8;
}

.why-plateer-card-logo-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 18px;
}

.why-plateer-card-logo-row img {
  display: block;
  height: 20px;
  width: auto;
}

.why-plateer-card-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.why-plateer-card-stat {
  padding: 14px 8px;
  text-align: center;
  border-left: 1px solid var(--line);
}

.why-plateer-card-stat:first-child {
  border-left: 0;
}

.why-plateer-card-stat strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.why-plateer-card-stat span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--ink-soft);
}

.why-plateer-card-flow-label {
  margin-top: 20px;
  text-align: center;
  color: var(--purple-deep);
  font: 600 14px "Inter", sans-serif;
  letter-spacing: .02em;
}

.why-plateer-card-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 6px;
  margin-top: 14px;
}

.why-plateer-card-flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 120px;
  text-align: center;
}

.why-plateer-card-flow-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--purple-pale);
  color: var(--purple-deep);
}

.why-plateer-card-flow-step strong {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.why-plateer-card-flow-note {
  font-size: 12px;
  color: var(--ink-soft);
}

.why-plateer-card-flow-arrow {
  flex: 0 0 auto;
  align-self: center;
  margin-top: 14px;
  color: var(--purple);
}

@media (max-width: 480px) {
  .why-plateer-card-flow {
    flex-wrap: wrap;
    row-gap: 16px;
  }

  .why-plateer-card-flow-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 1020px) {
  .why-plateer-grid {
    grid-template-columns: 1fr;
  }
}

.why-plateer-card-cycle-block {
  margin-top: 24px;
}

.why-plateer-card-cycle-title {
  margin: 0 0 18px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--purple-deep);
}

.why-plateer-card-cycle-layout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.why-plateer-card-cycle {
  position: relative;
  width: 200px;
  height: 200px;
  flex: 0 0 auto;
  margin: 0 auto;
}

.why-plateer-card-cycle-arrows {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.why-plateer-card-cycle-arrows path {
  fill: none;
  stroke: var(--purple);
  stroke-width: 2.5;
}

.why-plateer-card-cycle-arrows marker path {
  fill: var(--purple);
}

.why-plateer-card-cycle-node {
  position: absolute;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--purple-pale);
  color: var(--purple-deep);
}

.why-plateer-card-cycle-node.top {
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
}

.why-plateer-card-cycle-node.right {
  top: 50%;
  right: 0;
  transform: translate(50%, -50%);
}

.why-plateer-card-cycle-node.bottom {
  bottom: 0;
  left: 50%;
  transform: translate(-50%, 50%);
}

.why-plateer-card-cycle-node.left {
  top: 50%;
  left: 0;
  transform: translate(-50%, -50%);
}

.why-plateer-card-cycle-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 0 1 auto;
  width: 220px;
}

.why-plateer-card-cycle-steps li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--ink-soft);
}

.why-plateer-card-cycle-steps li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--purple);
}

.why-plateer-card-cycle-steps li:first-child::before {
  content: "・";
}

body.modal-open {
  overflow: hidden;
}

.why-plateer-card-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .28s ease, visibility .28s ease;
}

.why-plateer-card-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.why-plateer-card-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(23, 20, 33, .4);
}

.why-plateer-card-modal-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 720px);
  max-height: min(86vh, 720px);
  overflow-y: auto;
  background: #FFFFFF;
  border-radius: 24px;
  padding: 44px;
  box-shadow: 0 24px 60px rgba(23, 20, 33, .24);
  transform: translateY(24px) scale(.92);
  transition: transform .32s cubic-bezier(.34,1.56,.64,1);
}

.why-plateer-card-modal.is-open .why-plateer-card-modal-panel {
  transform: none;
}

.why-plateer-card-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 2;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #FFFFFF;
  color: var(--ink-soft);
  cursor: pointer;
}

.why-plateer-card-modal-panel .why-plateer-card-top {
  padding-right: 44px;
}

.why-plateer-card-modal-panel h3 {
  margin: 20px 0 0;
  font-size: 22px;
  line-height: 1.55;
  letter-spacing: -.015em;
  font-weight: 600;
}

.why-plateer-card-modal-body {
  margin-top: 20px;
}

@media (max-width: 760px) {
  .why-plateer-card-modal-panel {
    padding: 32px 24px;
  }
}

@media (max-width: 1020px) {

  .global-nav,
  .header-actions {
    display: none;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .menu-button {
    display: inline-flex;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 0;
    background: transparent;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
  }

  .menu-button span {
    width: 20px;
    height: 1px;
    background: var(--ink);
  }

  .mobile-panel {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    padding: 12px 24px 28px;
    background: #fff;
    border-top: 1px solid var(--line);
    box-shadow: 0 18px 28px rgba(44, 35, 91, .08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: .2s ease;
  }

  .mobile-panel.open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .mobile-panel a {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 68px;
  }

  .header-inner {
    width: calc(100% - 32px);
  }

  .brand img {
    width: 158px;
  }

  .hero {
    min-height: 610px;
    padding: calc(var(--header-height) + 28px) 16px 28px;
  }

  .hero-inner {
    padding: 64px 24px;
    border-radius: 24px;
  }

  .hero h1 {
    font-size: 34px;
    line-height: 1.45;
  }

  .hero p {
    margin-top: 24px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 10px;
    margin-top: 30px;
  }

  .hero-cta {
    width: min(100%, 300px);
    min-height: 48px;
  }

  /* .hero-actions .hero-cta가 .hero-cta보다 명시도가 높아 이 미디어쿼리 밖에서 이미 오버라이드하므로,
     모바일 축소값도 동일하게 스코핑해 재적용 */
  /* .hero-actions .hero-ctaは.hero-ctaより詳細度が高く、このメディアクエリの外で既にオーバーライドされているため、
     モバイル向けの縮小値も同様にスコープして再適用している */
  .hero-actions .hero-cta {
    min-height: 52px;
    padding: 0 24px;
  }

  .challenges {
    padding: 88px 20px 96px;
  }

  .challenge-card {
    padding: 22px 20px;
  }

  .challenge-number {
    font-size: 48px;
  }

  .challenge-icon {
    width: 76px;
    height: 76px;
    top: 0;
    right: 0;
  }
}

.partnership {
  padding: 120px 24px;
  background: #FFFFFF;
}

.partnership-banner {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 56px 48px;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-deep) 55%, var(--ink) 100%);
}

.partnership-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url("../assets/partnership-photo.jpg");
  background-size: cover;
  background-position: 58% 38%;
  opacity: .26;
  mix-blend-mode: luminosity;
}

.partnership-copy,
.partnership-news {
  position: relative;
  z-index: 1;
}

.partnership-copy {
  flex: 1 1 360px;
  min-width: 300px;
}

.partnership-label {
  margin-bottom: 36px;
}

.partnership-copy h2 {
  margin: 0;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.45;
  letter-spacing: -.025em;
  font-weight: 600;
  color: var(--ink);
}

.partnership-lead {
  margin: 18px 0 28px;
  max-width: 420px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.8;
}

.partnership-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.partnership-news {
  flex: 1 1 300px;
  min-width: 280px;
  padding: 24px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(23, 20, 33, .28);
}

.partnership-news-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.partnership-news-head span {
  color: var(--purple-deep);
  font: 700 12px "Inter", sans-serif;
  letter-spacing: .06em;
}

.partnership-news-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--purple);
  font-size: 12px;
  font-weight: 600;
}

.partnership-news-more svg {
  display: block;
}

.partnership-news-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.partnership-news-list li {
  border-top: 1px solid var(--line);
}

.partnership-news-list a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 0;
  transition: color .2s ease;
}

.partnership-news-list a:hover strong {
  color: var(--purple-deep);
}

.partnership-news-meta {
  font-size: 12px;
  color: var(--ink-soft);
}

.partnership-news-meta b {
  color: var(--purple-deep);
  font-weight: 600;
}

.partnership-news-list strong {
  font-size: 14px;
  line-height: 1.6;
  font-weight: 500;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.partnership-label {
  color: #e4e0fb;
}

.partnership-label::after {
  background: #FFFFFF;
}

.partnership-copy h2 {
  color: #FFFFFF;
}

.partnership-lead {
  color: rgba(255, 255, 255, .82);
}

.partnership-actions .hero-cta-primary {
  background: transparent;
  color: #FFFFFF;
  border-color: #FFFFFF;
}

.partnership-actions .hero-cta-primary:hover {
  background: rgba(255, 255, 255, .12);
}

.partnership-actions .hero-cta-secondary {
  background: #FFFFFF;
  color: var(--purple-deep);
  border-color: #FFFFFF;
}

.partnership-actions .hero-cta-secondary:hover {
  background: var(--purple-pale);
  border-color: var(--purple-pale);
}

@media (max-width: 760px) {
  .partnership {
    padding: 88px 20px;
  }

  .partnership-banner {
    padding: 36px 24px;
    border-radius: 20px;
  }
}


.site-footer {
  background: var(--ink);
}

.footer-inner {
  width: min(calc(100% - 48px), var(--content-width));
  margin: 0 auto;
  padding: 120px 0 88px;
}

.footer-related-sites {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-related-sites a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, .6);
  font-size: 13px;
  transition: color .2s ease;
}

.footer-related-sites a:hover {
  color: #fff;
}

.footer-related-sites svg {
  display: block;
  flex-shrink: 0;
}

.footer-top {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

@media (min-width: 1021px) {
  .footer-top {
    flex-direction: row;
    gap: 64px;
  }

  .footer-brand {
    flex-shrink: 0;
    margin-right: auto;
  }

  .footer-links {
    flex-shrink: 0;
  }
}

.footer-brand img {
  display: block;
  width: 168px;
  height: auto;
}

.footer-brand p {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, .6);
  font-size: 14px;
}

.footer-brand .footer-social {
  margin-top: 20px;
}

.site-footer h3 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}

.footer-links {
  display: flex;
  flex-direction: column;
}

.footer-sitemap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 20px;
}

.footer-sitemap h3 {
  width: 100%;
  margin-bottom: 12px;
}

.footer-sitemap a {
  color: rgba(255, 255, 255, .6);
  font-size: 14px;
  transition: color .2s ease;
}

.footer-sitemap a:hover {
  color: #fff;
}

.footer-contact {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .15);
}

.footer-bottom-bar {
  background: var(--ink);
  border-top: 1px solid rgba(255, 255, 255, .1);
}

.footer-bottom {
  width: min(calc(100% - 48px), var(--content-width));
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-legal a {
  color: rgba(255, 255, 255, .6);
  font-size: 12px;
  transition: color .2s ease;
}

.footer-legal a:hover {
  color: #fff;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-social a {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: #fff;
  border-radius: 50%;
  font: 600 12px "Inter", sans-serif;
  transition: opacity .2s ease;
}

.footer-social a:hover {
  opacity: .8;
}

.footer-social svg {
  width: 14px;
  height: 14px;
}

.footer-copyright {
  margin: 0;
  color: rgba(255, 255, 255, .4);
  font-size: 12px;
}

@media (max-width: 760px) {
  .footer-inner {
    width: calc(100% - 32px);
    padding: 56px 0 40px;
  }

  .footer-bottom {
    width: calc(100% - 32px);
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 24px 0 12px;
  }
}

/* ===== company.html (私たちについて) ===== */

.page-subnav {
  position: sticky;
  top: var(--header-height);
  z-index: 15;
  margin-top: var(--header-height);
  background: var(--purple-pale);
}

.page-subnav-inner {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 24px;
  padding: 20px 24px;
}

.page-subnav-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-subnav-eyebrow {
  color: var(--purple-deep);
  font: 700 10px "Inter", sans-serif;
  letter-spacing: .08em;
}

.page-subnav-title h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-subnav-tabs {
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 4px;
}

.page-subnav-link {
  position: relative;
  flex-shrink: 0;
  padding: 9px 16px;
  background: none;
  border: none;
  border-radius: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  white-space: nowrap;
  cursor: pointer;
  font-family: inherit;
  transition: color .2s ease;
}

.page-subnav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -15px;
  width: 28px;
  height: 2px;
  background: var(--purple-deep);
  border-radius: 2px;
  transform: translateX(-50%) scaleX(0);
  transition: transform .2s ease;
}

.page-subnav-link:hover {
  color: var(--purple-deep);
}

.page-subnav-link:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.page-subnav-link.active {
  color: var(--purple-deep);
  font-weight: 600;
}

.page-subnav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

@media (max-width: 760px) {
  .page-subnav-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px;
  }

  .page-subnav-tabs {
    width: 100%;
  }
}

#mission,
#company-info,
#timeline,
#members {
  scroll-margin-top: calc(var(--header-height) + var(--subnav-height, 88px));
}

.message-lead.member-highlight,
.member-highlight {
  color: var(--purple-deep);
  font-weight: 600;
}

/* -- Mission -- */

.about-mission {
  padding: 120px 24px;
  background: #FFFFFF;
}

.about-mission-layout {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: 48px;
  align-items: end;
  padding: 48px 40px 72px;
  background: linear-gradient(135deg, var(--ink) 0%, var(--purple-deep) 45%, var(--purple) 100%);
  border-radius: 24px;
}

.mission-network {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  z-index: 0;
}

.mission-symbol-float {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 130px;
  height: 130px;
  margin: -65px 0 0 -65px;
  z-index: 0;
  pointer-events: none;
  animation: mission-symbol-drift 7s ease-in-out infinite;
}

.mission-symbol {
  display: block;
  width: 100%;
  height: 100%;
  opacity: .16;
  animation: mission-symbol-spin 26s linear infinite;
}

@keyframes mission-symbol-drift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

@keyframes mission-symbol-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .mission-symbol-float,
  .mission-symbol {
    animation: none;
  }
}

@media (max-width: 760px) {
  .mission-symbol-float {
    width: 96px;
    height: 96px;
    margin: -48px 0 0 -48px;
  }
}

.about-mission-title-col,
.about-mission-sub-col {
  position: relative;
  z-index: 1;
}

.about-mission-label {
  display: block;
  margin-bottom: 28px;
  color: #e4e0fb;
  font: 600 18px "Inter", sans-serif;
  letter-spacing: .02em;
}

.about-mission-label::after,
.about-company-label::after,
.about-timeline-label::after {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin: 12px auto 0;
  background: var(--purple);
}

.about-mission-label::after {
  margin: 12px 0 0;
  background: #FFFFFF;
}

.about-mission-title-col h2 {
  margin: 0;
  text-align: left;
  color: #FFFFFF;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.45;
  letter-spacing: -.025em;
  font-weight: 600;
  white-space: nowrap;
}

.about-mission-title-col .hero-gradient-text {
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  color: #FFFFFF;
}

.about-mission-title-col .message-lead {
  color: #FFFFFF;
}

.about-mission-sub-col p {
  margin: 0;
  text-align: right;
  color: rgba(255, 255, 255, .82);
  font-size: 16px;
  line-height: 1.75;
}

.about-mission-sub-col .about-mission-closing {
  margin-top: 28px;
  font-size: 20px;
  line-height: 1.7;
  white-space: nowrap;
}

.about-mission-sub-col strong {
  color: #FFFFFF;
  font-weight: 600;
}

@media (max-width: 1020px) {
  .about-mission-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-mission-title-col h2 {
    white-space: normal;
  }

  .about-mission-sub-col p {
    text-align: left;
  }

  .about-mission-sub-col .about-mission-closing {
    white-space: normal;
  }
}

@media (max-width: 760px) {
  .about-mission {
    padding: 88px 20px;
  }

  .about-mission-layout {
    padding: 36px 24px 56px;
    border-radius: 20px;
  }
}

/* -- Company info -- */

.about-company {
  padding: 120px 24px;
  background: #F5F5F7;
}

.about-company-head {
  margin-bottom: 56px;
  text-align: center;
}

.about-company-label {
  display: block;
  text-align: center;
  margin-bottom: 36px;
  color: var(--purple-deep);
  font: 600 18px "Inter", sans-serif;
  letter-spacing: .02em;
}

.about-company-head h2 {
  margin: 0;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.45;
  letter-spacing: -.025em;
  font-weight: 600;
}

.about-company-table {
  margin: 0;
  padding: 38px 40px 46px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 24px;
}

.about-company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: stretch;
}

.about-company-map {
  overflow: hidden;
  min-height: 320px;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.about-company-map iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
}

.about-company-row {
  display: flex;
  gap: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.about-company-row:first-child {
  border-top: none;
}

.about-company-row dt {
  flex: 0 0 96px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 600;
}

.about-company-row dd {
  margin: 0;
  flex: 1;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.7;
}

.about-company-row dd a {
  color: var(--purple-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (max-width: 1020px) {
  .about-company-grid {
    grid-template-columns: 1fr;
  }

  .about-company-map {
    min-height: 280px;
  }

  .about-company-map iframe {
    min-height: 280px;
  }
}

@media (max-width: 760px) {
  .about-company {
    padding: 88px 20px;
  }

  .about-company-table {
    padding: 28px 24px 34px;
  }

  .about-company-row {
    flex-direction: column;
    gap: 6px;
  }
}

/* -- Timeline -- */

.about-timeline {
  padding: 120px 24px;
  background: #F5F5F7;
}

.about-timeline-head {
  margin-bottom: 56px;
  text-align: center;
}

.about-timeline-label {
  display: block;
  text-align: center;
  margin-bottom: 36px;
  color: var(--purple-deep);
  font: 600 18px "Inter", sans-serif;
  letter-spacing: .02em;
}

.about-timeline-head h2 {
  margin: 0;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.45;
  letter-spacing: -.025em;
  font-weight: 600;
}

.timeline-list {
  padding: 38px 40px 46px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 24px;
}

.timeline-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 900px;
  margin: 0 auto;
}

.timeline-year-col {
  padding: 0 44px;
}

.timeline-year-col:first-child {
  padding-left: 0;
}

.timeline-year-col:last-child {
  padding-right: 0;
  border-left: 1px solid var(--line);
}

.timeline-year {
  display: block;
  margin-bottom: 24px;
  font: 700 24px "Inter", sans-serif;
  letter-spacing: -.01em;
  background: linear-gradient(145deg, var(--purple), var(--purple-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.timeline-list-inner {
  position: relative;
  padding: 0;
  list-style: none;
}

.timeline-list-inner::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  bottom: 10px;
  border-left: 1px dashed #bdb4ee;
}

.timeline-item {
  position: relative;
  display: flex;
  gap: 28px;
  padding: 20px 0 20px 30px;
  border-top: 1px solid var(--line);
}

.timeline-item:first-child {
  border-top: none;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 28px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--purple);
  box-shadow: 0 0 0 4px var(--purple-pale);
}

.timeline-date {
  flex: 0 0 44px;
  color: var(--ink);
  font: 600 15px "Inter", sans-serif;
  letter-spacing: -.01em;
}

.timeline-desc {
  flex: 1;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

@media (max-width: 760px) {
  .about-timeline {
    padding: 88px 20px;
  }

  .timeline-list {
    padding: 28px 24px 34px;
  }

  .timeline-columns {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .timeline-year-col {
    padding: 0;
  }

  .timeline-year-col:last-child {
    padding: 0;
    border-left: none;
  }

  .timeline-item {
    flex-direction: column;
    gap: 6px;
    padding: 18px 0 18px 24px;
  }

  .timeline-date {
    flex: none;
  }
}

/* -- Members -- */

.about-members {
  padding: 120px 24px;
  background: #FFFFFF;
}

.about-members-content {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.about-members-group {
  margin-top: 0;
}

.about-members-group-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  color: var(--purple-deep);
  font: 600 15px "Inter", sans-serif;
  letter-spacing: .02em;
}

.about-members-group-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.about-members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.member-card {
  overflow: hidden;
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #FFFFFF;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.member-card:hover {
  transform: translateY(-4px);
  border-color: var(--purple);
  box-shadow: 0 16px 32px rgba(108, 92, 231, .16);
}

.member-card-photo {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--purple-pale);
}

.member-card-body {
  display: block;
  padding: 18px 20px 22px;
}

.member-card-name {
  display: block;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.01em;
}

.member-card-name-en {
  display: block;
  margin-top: 3px;
  color: var(--ink-soft);
  font: 500 12px "Inter", sans-serif;
}

.member-card-role {
  display: block;
  margin-top: 12px;
  color: var(--purple-deep);
  font-size: 13px;
  font-weight: 600;
}

@media (max-width: 760px) {
  .about-members {
    padding: 88px 20px;
  }

  .about-members-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

@media (max-width: 430px) {
  .about-members-grid {
    grid-template-columns: 1fr;
  }
}

/* -- Member modal -- */

.member-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .28s ease, visibility .28s ease;
}

.member-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.member-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(23, 20, 33, .4);
}

.member-modal-panel {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 32px;
  width: min(100%, 640px);
  max-height: min(86vh, 640px);
  overflow-y: auto;
  background: #FFFFFF;
  border-radius: 24px;
  padding: 44px;
  box-shadow: 0 24px 60px rgba(23, 20, 33, .24);
  transform: translateY(24px) scale(.92);
  transition: transform .32s cubic-bezier(.34,1.56,.64,1);
}

.member-modal.is-open .member-modal-panel {
  transform: none;
}

.member-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 2;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #FFFFFF;
  color: var(--ink-soft);
  cursor: pointer;
}

.member-modal-photo-col {
  flex: 0 0 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.member-modal-photo {
  width: 160px;
  height: 160px;
  border-radius: 14px;
  object-fit: cover;
  background: var(--purple-pale);
}

.member-modal-social {
  display: flex;
  align-items: center;
  gap: 10px;
}

.member-modal-social a {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 50%;
  background: var(--ink-soft);
  color: #FFFFFF;
  font: 600 12px "Inter", sans-serif;
  transition: opacity .2s ease;
}

.member-modal-social a:hover {
  opacity: .8;
}

.member-modal-social a[aria-label="LinkedIn"] { background: #0A66C2; }
.member-modal-social a[aria-label="Facebook"] { background: #1877F2; }
.member-modal-social a[aria-label="X"] { background: #000000; }
.member-modal-social a[aria-label="note"] { background: #41C9B5; }

.member-modal-social svg {
  width: 14px;
  height: 14px;
}

.member-modal-info {
  flex: 1;
  min-width: 0;
}

.member-modal-info h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.55;
  letter-spacing: -.015em;
  font-weight: 600;
}

.member-modal-role {
  display: block;
  margin-top: 8px;
  color: var(--purple-deep);
  font-size: 14px;
  font-weight: 600;
}

.member-modal-body {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.member-modal-body ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.member-modal-body li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 14px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.member-modal-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--purple);
}

.member-quote {
  margin: 16px 0 0;
  padding: 16px 18px;
  background: linear-gradient(135deg, var(--ink) 0%, var(--purple-deep) 45%, var(--purple) 100%);
  border-radius: 14px;
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.75;
  font-style: normal;
}

@media (max-width: 760px) {
  .member-modal-panel {
    flex-direction: column;
    padding: 32px 24px;
  }

  .member-modal-photo-col {
    flex-basis: auto;
  }

  .member-modal-photo {
    width: 96px;
    height: 96px;
  }
}

/* ===== blog.html (お知らせ) ===== */

.news {
  padding: 120px 24px;
  background: #FFFFFF;
}

/* 직전 섹션(.news)이 흰색이라 배경 교차 규칙에 따라 파트너십 섹션은 회색으로 전환 */
/* 直前のセクション(.news)が白背景のため、背景の交互配置ルールに従いパートナーシップセクションはグレーに切り替え */
.partnership.partnership-alt {
  background: #F5F5F7;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card[hidden] {
  display: none;
}

.news-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #FFFFFF;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: var(--purple);
  box-shadow: 0 16px 32px rgba(108, 92, 231, .16);
}

.news-card:hover .news-card-title {
  color: var(--purple-deep);
}

.news-card-visual {
  position: relative;
  aspect-ratio: 3 / 2;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #f7f5ff, #e9e4ff);
}

.news-card-visual svg {
  width: 56px;
  height: 56px;
  color: rgba(108, 92, 231, .35);
}

.news-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px 24px 26px;
}

.news-card-meta {
  font-size: 12px;
  color: var(--ink-soft);
}

.news-card-meta b {
  color: var(--purple-deep);
  font-weight: 600;
}

.news-card-title {
  margin: 12px 0 0;
  font-size: 17px;
  line-height: 1.6;
  font-weight: 500;
  letter-spacing: -.01em;
  color: var(--ink);
  transition: color .2s ease;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-arrow {
  display: flex;
  justify-content: flex-end;
  margin-top: auto;
  padding-top: 18px;
  color: var(--purple);
}

.news-card-arrow svg {
  display: block;
}

.news-empty {
  margin: 40px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  text-align: center;
}

@media (max-width: 1020px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .news {
    padding: 88px 20px;
  }

  .news-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* ===== news-detail.html (お知らせ本文) ===== */

.article-inner {
  width: min(100% - 48px, 760px);
  margin: 0 auto;
}

.article-topbar {
  padding: calc(var(--header-height) + 32px) 24px 0;
  background: #FFFFFF;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 500;
  transition: color .2s ease;
}

.article-back svg {
  display: block;
  flex-shrink: 0;
}

.article-back:hover {
  color: var(--purple-deep);
}

.article {
  padding: 24px 24px 0;
  background: #FFFFFF;
}

.article-cover {
  aspect-ratio: 21 / 9;
  display: grid;
  place-items: center;
  margin-bottom: 40px;
  background: linear-gradient(145deg, #f7f5ff, #e9e4ff);
  border-radius: 24px;
}

.article-cover svg {
  width: 96px;
  height: 96px;
  color: rgba(108, 92, 231, .35);
}

.article-header {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-meta-category {
  color: var(--purple-deep);
  font-size: 13px;
  font-weight: 700;
}

.article-meta-date {
  color: var(--ink-soft);
  font: 500 13px "Inter", sans-serif;
}

.article-title {
  margin: 16px 0 0;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.45;
  letter-spacing: -.025em;
  font-weight: 600;
  color: var(--ink);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.article-tags li {
  padding: 7px 14px;
  background: var(--purple-pale);
  border-radius: 99px;
  color: var(--purple);
  font-size: 12px;
}

.article-body {
  padding: 48px 0 56px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.9;
}

.article-body p {
  margin: 0 0 24px;
  color: var(--ink-soft);
}

.article-body h2 {
  margin: 48px 0 20px;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.5;
  letter-spacing: -.02em;
  font-weight: 600;
  color: var(--ink);
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body ul {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.article-body ul li {
  position: relative;
  margin-bottom: 12px;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.article-body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--purple);
}

.article-info-table {
  margin: 0 0 32px;
}

.article-quote {
  margin: 0 0 32px;
  padding: 28px 30px;
  background: linear-gradient(135deg, var(--ink) 0%, var(--purple-deep) 45%, var(--purple) 100%);
  border-radius: 20px;
  color: #FFFFFF;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.8;
  font-style: normal;
}

.article-quote cite {
  display: block;
  margin-top: 14px;
  color: rgba(255, 255, 255, .78);
  font-size: 13px;
  font-weight: 500;
  font-style: normal;
}

.article-body a {
  color: var(--purple-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-footer {
  display: flex;
  justify-content: center;
  padding: 0 0 96px;
}

.article-footer .article-back-cta {
  padding: 14px 28px;
  border: 1px solid var(--purple);
  border-radius: 8px;
  color: var(--purple-deep);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.article-footer .article-back-cta:hover {
  background: var(--purple-pale);
  color: var(--purple-deep);
}

@media (max-width: 760px) {
  .article-topbar {
    padding-top: calc(var(--header-height) + 20px);
  }

  .article-cover {
    margin-bottom: 28px;
    border-radius: 18px;
  }

  .article-body {
    padding: 36px 0 40px;
  }

  .article-quote {
    padding: 22px 22px;
  }
}

/* ===== contact.html / doc_down.html (Form) ===== */

.form-section {
  padding: calc(var(--header-height) + 64px) 24px 140px;
  background: #FFFFFF;
}

/* doc_down.html은 콘텐츠(자료 리스트)가 길어 헤더 바로 아래 여백을 contact.html보다 줄임 */
/* doc_down.htmlはコンテンツ(資料リスト)が長いため、ヘッダー直下の余白をcontact.htmlより狭くしている */
.form-section--doclist {
  padding-top: calc(var(--header-height) + 32px);
}

/* Minimal header — contact.html / doc_down.html: 로고 + 단일 CTA만 노출, 내비/햄버거 제거 */
/* Minimal header — contact.html / doc_down.html: ロゴ＋単一CTAのみ表示し、ナビ/ハンバーガーメニューは非表示 */
.header-minimal .header-inner {
  grid-template-columns: auto auto;
  justify-content: space-between;
}

@media (max-width: 1020px) {
  .header-minimal .header-actions {
    display: flex;
  }

  .header-minimal .header-inner {
    grid-template-columns: auto auto;
  }
}

@media (max-width: 760px) {
  .header-minimal .header-cta {
    padding: 0 14px;
  }
}

.form-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 64px;
  align-items: start;
}

.form-copy-label {
  display: block;
  margin-bottom: 28px;
  color: var(--purple-deep);
  font: 600 18px "Inter", sans-serif;
  letter-spacing: .02em;
}

.form-copy-label::after {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin-top: 12px;
  background: var(--purple);
}

.form-copy h1 {
  margin: 0;
  font-size: clamp(26px, 2.6vw, 32px);
  line-height: 1.5;
  letter-spacing: -.02em;
  font-weight: 600;
  color: var(--ink);
}

.form-copy-lead {
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.form-copy-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 32px 0 0;
  padding: 18px 20px;
  background: var(--purple-pale);
  border-radius: 14px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.form-copy-note svg {
  flex: none;
  margin-top: 2px;
  color: var(--purple-deep);
}

.form-copy-alt {
  margin: 40px 0 0;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.form-copy-alt h3 {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.form-copy-alt-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-copy-alt-list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--purple-deep);
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-copy-alt-list a:hover {
  color: var(--purple);
}

.form-doc-preview {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: 20px;
  overflow: hidden;
  background: linear-gradient(160deg, var(--purple) 0%, var(--purple-deep) 70%, #2c2359 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px 28px;
  box-shadow: 0 24px 48px rgba(84, 66, 168, .22);
}

.form-doc-preview::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 12%, rgba(255,255,255,.16), transparent 55%),
    radial-gradient(circle at 10% 90%, rgba(255,255,255,.1), transparent 50%);
  pointer-events: none;
}

.form-doc-preview-logo {
  position: relative;
  width: 108px;
}

.form-doc-preview-body {
  position: relative;
}

.form-doc-preview-tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 5px 12px;
  border-radius: 99px;
  background: rgba(255, 255, 255, .16);
  color: #fff;
  font: 600 11px "Inter", sans-serif;
  letter-spacing: .06em;
}

.form-doc-preview h3 {
  margin: 0;
  color: #fff;
  font-size: 22px;
  line-height: 1.5;
  font-weight: 600;
}

.form-doc-preview p {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, .78);
  font-size: 13px;
  line-height: 1.7;
}

.form-doc-highlights {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-doc-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.form-doc-highlights svg {
  flex: none;
  margin-top: 3px;
  color: var(--purple);
}

.form-card {
  padding: 40px 44px 46px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 24px;
}

/* doc_down.html — 좌측 자료 리스트(흰 배경 카드)와 시각적으로 구분되도록 폼 카드에 배경 부여.
   사이트 전반에서 이미 쓰는 회색 톤(#F5F5F7 — .solution/.why-plateer/.partnership-alt 등)과 통일 */
/* doc_down.html — 左側の資料リスト(白背景カード)と視覚的に区別できるよう、フォームカードに背景色を付与。
   サイト全体で既に使用しているグレートーン(#F5F5F7 — .solution/.why-plateer/.partnership-altなど)と統一している */
.form-card--doclist {
  background: #F5F5F7;
}

.form-card-head {
  margin: 0 0 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.form-card-head h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.form-card-head p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.form-grid {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.form-badge {
  flex: none;
  padding: 3px 9px;
  border-radius: 99px;
  font: 600 11px "Inter", sans-serif;
  letter-spacing: .02em;
}

.form-badge-required {
  background: #fdeceb;
  color: #d1493c;
}

.form-badge-optional {
  background: var(--purple-pale);
  color: var(--purple-deep);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  font: 400 15px "Noto Sans JP", "Hiragino Sans", sans-serif;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #b6b2c4;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, .14);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9' fill='none'%3E%3Cpath d='M1 1L7 7L13 1' stroke='%235d5968' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* 필수 선택형 select(플레이스홀더 = disabled 옵션)의 선택 여부를 색상·굵기로 구분.
   현재 doc_down.html(資料)·contact.html(お問い合わせ種別) 양쪽의 필수 select 모두 이 패턴이라 공통 적용 */
/* 必須の選択式select(プレースホルダー = disabledオプション)の選択有無を色・太さで区別。
   現在doc_down.html(資料)・contact.html(お問い合わせ種別)両方の必須selectがこのパターンのため共通適用している */
.form-select:invalid {
  color: #9490a1;
}

.form-select:valid {
  color: var(--purple-deep);
  font-weight: 600;
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.7;
}

.form-check-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.form-checkbox {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--purple);
}

.form-check-row label {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.8;
}

.form-check-row a {
  color: var(--purple-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-submit {
  width: 100%;
  min-height: 56px;
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 8px;
  background: var(--purple);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s ease;
}

.form-submit:hover {
  background: var(--purple-deep);
}

.form-submit svg {
  transition: transform .2s ease;
}

.form-submit:hover svg {
  transform: translateX(4px);
}

.form-fineprint {
  margin: 18px 0 0;
  color: #9490a1;
  font-size: 11px;
  line-height: 1.8;
}

/* 커스텀 폼 밸리데이션 — 브라우저 기본 말풍선(reportValidity) 대신 사이트 톤에 맞춘 에러 표시.
   form-flow.js에서 필드에 문제가 있으면 .form-group / .form-check-row에 has-error를 붙이고
   .form-error-text를 동적으로 삽입한다. */
/* カスタムフォームバリデーション — ブラウザ標準の吹き出し(reportValidity)の代わりに
   サイトのトーンに合わせたエラー表示。form-flow.jsがフィールドに問題がある場合、
   .form-group / .form-check-rowに has-error を付与し、.form-error-textを動的に挿入する。 */
.form-group.has-error .form-input,
.form-group.has-error .form-select,
.form-group.has-error .form-textarea {
  border-color: #d1493c;
  box-shadow: 0 0 0 3px rgba(209, 73, 60, .12);
}

.form-check-row.has-error .form-checkbox {
  outline: 2px solid rgba(209, 73, 60, .35);
  outline-offset: 2px;
  border-radius: 4px;
}

.form-error-text {
  display: none;
  align-items: flex-start;
  gap: 6px;
  margin-top: 8px;
  color: #d1493c;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
}

.form-group.has-error .form-error-text,
.form-check-row.has-error .form-error-text {
  display: flex;
}

.form-error-text svg {
  flex: none;
  margin-top: 2px;
}

.form-check-row {
  flex-wrap: wrap;
}

.form-check-row .form-error-text {
  flex-basis: 100%;
  margin-left: 26px;
}

/* 프리메일(무료 웹메일) 도메인 경고 — has-error(빨강)와 구분되는 톤(호박색)으로,
   제출을 막지 않는 "부드러운 안내"임을 시각적으로 드러낸다. */
/* フリーメール(無料ウェブメール)ドメイン警告 — has-error(赤)と区別できるトーン(琥珀色)にし、
   送信をブロックしない「やわらかい案内」であることを視覚的に示す。 */
.form-group.has-warning .form-input {
  border-color: #d99a1b;
  box-shadow: 0 0 0 3px rgba(217, 154, 27, .12);
}

.form-warning-text {
  display: none;
  align-items: flex-start;
  gap: 6px;
  margin-top: 8px;
  color: #a9720a;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
}

.form-group.has-warning .form-warning-text {
  display: flex;
}

.form-warning-text svg {
  flex: none;
  margin-top: 2px;
}

/* ===== 확인 화면 / 완료 화면 (contact.html・doc_down.html 공통, js/form-flow.js가 제어) =====
   폼카드(#formCard) 안에서 [data-step="form"] → [data-step="confirm"] → [data-step="complete"]
   3단계를 hidden 속성으로 전환. 실제 전송(API 연동)은 A3 단계에서 처리하며, 지금은 confirm 화면의
   "送信する" 클릭 시 complete 화면으로 넘어가는 mock 동작만 구현되어 있음. */
/* ===== 確認画面 / 完了画面 (contact.html・doc_down.html共通、js/form-flow.jsが制御) =====
   フォームカード(#formCard)内で [data-step="form"] → [data-step="confirm"] → [data-step="complete"]
   の3段階をhidden属性で切り替える。実際の送信(API連携)はA3フェーズで対応予定で、現時点ではconfirm画面の
   「送信する」クリック時にcomplete画面へ遷移するモック動作のみ実装されている。 */
.form-step[hidden] {
  display: none;
}

.form-step-title {
  margin: 0 0 24px;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
}

.form-confirm-list {
  margin: 0;
  display: flex;
  flex-direction: column;
}

.form-confirm-list dt {
  margin: 0;
  padding: 16px 0 4px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .02em;
}

.form-confirm-list dt:first-child {
  padding-top: 0;
}

.form-confirm-list dd {
  margin: 0;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

.form-confirm-consent-note {
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.7;
}

.form-confirm-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}

.form-btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease;
}

.form-btn-outline:hover {
  border-color: var(--purple);
  color: var(--purple-deep);
}

.form-confirm-actions .form-btn-outline {
  flex: none;
  width: 120px;
}

.form-confirm-actions .form-submit {
  flex: 1;
  margin-top: 0;
}

.form-complete {
  text-align: center;
  padding: 24px 0 8px;
}

.form-complete-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--purple-pale);
  color: var(--purple-deep);
}

.form-complete-text {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.9;
}

.form-complete-redirect {
  margin: 24px 0 0;
  color: #9490a1;
  font-size: 12px;
}

.form-complete .form-btn-outline {
  margin-top: 20px;
}

@media (max-width: 760px) {
  .form-confirm-actions {
    flex-direction: column-reverse;
  }

  .form-confirm-actions .form-btn-outline {
    width: 100%;
  }
}

@media (max-width: 1020px) {
  .form-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .form-doc-preview {
    aspect-ratio: auto;
    min-height: 220px;
  }

  .form-copy-alt {
    display: none;
  }
}

@media (max-width: 760px) {
  .form-section {
    padding: calc(var(--header-height) + 32px) 20px 88px;
  }

  .form-card {
    padding: 28px 24px 32px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 26px;
  }
}

/* ===== doc_down.html (자료 다운로드: 카테고리별 아코디언 + 화이트페이퍼 캐로셀 카드) ===== */
/* ===== doc_down.html (資料ダウンロード: カテゴリー別アコーディオン＋ホワイトペーパーカルーセルカード) ===== */
/* 좌측 폭 확장 — 아코디언/카드 콘텐츠가 늘어나 기본 360px보다 넓게 필요, doc_down.html에서만 적용(contact.html은 기본값 유지) */
/* 左側の幅を拡張 — アコーディオン/カードのコンテンツが増えたため、デフォルトの360pxより広い幅が必要。doc_down.htmlのみに適用(contact.htmlはデフォルト値を維持) */
/* min-width로 감싸는 이유: 이 규칙이 3638행의 `@media (max-width:1020px){ .form-layout{grid-template-columns:1fr} }`보다
   소스 순서상 뒤에 있어서, 감싸지 않으면 좁은 화면에서도 이 규칙이 이겨 1열 스택이 깨지고 우측 폼이 찌그러져 안 보이는 버그가 있었음 */
/* min-widthで囲んでいる理由: このルールが3638行目の`@media (max-width:1020px){ .form-layout{grid-template-columns:1fr} }`より
   ソース順で後にあるため、囲まないと狭い画面でもこのルールが勝ってしまい、1列スタックが崩れて右側のフォームが潰れて表示されなくなるバグがあった */
@media (min-width: 1021px) {
  .form-layout--doclist {
    grid-template-columns: 440px 1fr;
    gap: 48px;
  }
}

.doc-category {
  margin-top: 32px;
}

.doc-category-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font: 600 12px "Inter", sans-serif;
  letter-spacing: .08em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.doc-category-title::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--purple);
  flex: none;
}

/* 아코디언 리스트 (プロダクト資料 / 会社資料) */
/* アコーディオンリスト (プロダクト資料 / 会社資料) */
.doc-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.doc-accordion-item {
  border: 1.5px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #FFFFFF;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.doc-accordion-item.is-open {
  border-color: var(--purple);
}

.doc-accordion-item.is-selected {
  box-shadow: 0 0 0 3px rgba(108, 92, 231, .14);
  border-color: var(--purple);
}

.doc-accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.doc-accordion-icon {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--purple-pale);
}

.doc-accordion-icon svg {
  width: 20px;
  height: 20px;
  color: var(--purple-deep);
}

.doc-accordion-icon--genser {
  background: linear-gradient(145deg, var(--purple), var(--purple-deep));
}

.doc-accordion-icon--genser svg {
  color: #FFFFFF;
}

.doc-accordion-icon--gelatto {
  background: #fff0fc;
}

.doc-accordion-icon--gelatto svg {
  color: #b04cff;
}

.doc-accordion-icon--genrank {
  background: #eef2ea;
}

.doc-accordion-icon--genrank svg {
  color: #4b5fff;
}

.doc-accordion-heading {
  flex: 1;
  min-width: 0;
}

.doc-accordion-tag {
  display: inline-block;
  margin-bottom: 4px;
  padding: 2px 9px;
  border-radius: 99px;
  background: var(--purple-pale);
  color: var(--purple-deep);
  font: 600 10px "Inter", sans-serif;
  letter-spacing: .04em;
}

.doc-accordion-heading h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

/* 선택 상태 스위치 — 시각적 인디케이터. 스위치 자체는 클릭 대상이 아니고, 트리거(행 전체) 클릭으로만 상태가 바뀜 */
/* 選択状態スイッチ — 視覚的なインジケーター。スイッチ自体はクリック対象ではなく、トリガー(行全体)のクリックでのみ状態が切り替わる */
.doc-switch {
  flex: none;
  width: 34px;
  height: 20px;
  border-radius: 99px;
  background: var(--line);
  position: relative;
  transition: background .2s ease;
}

.doc-switch-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #FFFFFF;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .2);
  transition: transform .2s ease;
}

.doc-accordion-item.is-selected .doc-switch {
  background: var(--purple);
}

.doc-accordion-item.is-selected .doc-switch-knob {
  transform: translateX(14px);
}

.doc-accordion-chevron {
  flex: none;
  display: flex;
  color: var(--ink-soft);
  transition: transform .25s ease;
}

.doc-accordion-item.is-open .doc-accordion-chevron {
  transform: rotate(180deg);
  color: var(--purple);
}

.doc-accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}

.doc-accordion-item.is-open .doc-accordion-panel {
  max-height: 360px;
}

.doc-accordion-panel-inner {
  padding: 0 18px 20px 70px;
}

.doc-accordion-desc {
  margin: 0 0 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.doc-accordion-toc {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.doc-accordion-toc li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12.5px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.doc-accordion-toc li::before {
  content: "";
  flex: none;
  width: 4px;
  height: 4px;
  margin-top: 7px;
  border-radius: 99px;
  background: var(--purple);
}

/* 화이트페이퍼 = 블로그 스타일 이미지 카드, 연속 가로 스크롤 (카드 개수와 무관하게 gap이 항상 균일) */
/* ホワイトペーパー = ブログ風の画像カード、連続横スクロール (カード枚数に関係なくgapが常に均一) */
.doc-carousel-viewport {
  overflow: hidden;
  border-radius: 4px;
}

.doc-carousel-track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  /* overflow-x:auto가 있으면 overflow-y도 암묵적으로 auto가 되어, hover 시 카드가 위로 뜰 때(-3px) 위쪽이 잘림 —
     여백을 줘서 클리핑 없이 뜰 공간을 확보 */
  /* overflow-x:autoがあるとoverflow-yも暗黙的にautoになり、hover時にカードが上に浮き上がる際(-3px)に上端が
     クリップされてしまう — 余白を確保することでクリップなしで浮き上がれるようにしている */
  padding: 8px 2px 4px;
}

.doc-carousel-track::-webkit-scrollbar {
  display: none;
}

.doc-carousel .doc-card {
  flex: 0 0 calc(50% - 7px);
  scroll-snap-align: start;
}

.doc-carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 14px;
}

.doc-carousel-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #FFFFFF;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  transition: border-color .2s ease, color .2s ease;
}

.doc-carousel-arrow:hover {
  border-color: var(--purple);
  color: var(--purple);
}

.doc-carousel-arrow[aria-disabled="true"] {
  opacity: .35;
  cursor: default;
  pointer-events: none;
}

.doc-carousel-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.doc-carousel-dots .dot {
  width: 7px;
  height: 7px;
  padding: 0;
  border: none;
  border-radius: 99px;
  background: var(--line);
  cursor: pointer;
  transition: background .2s ease, width .2s ease;
}

.doc-carousel-dots .dot.is-active {
  width: 20px;
  background: var(--purple);
}

.doc-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
  background: #FFFFFF;
  border: 1.5px solid var(--line);
  border-radius: 16px;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.doc-card:hover {
  transform: translateY(-3px);
  border-color: var(--purple);
  box-shadow: 0 14px 30px rgba(108, 92, 231, .14);
}

.doc-card.is-selected {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, .14);
}

.doc-card-visual {
  position: relative;
  aspect-ratio: 3 / 2;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #f7f5ff, #e9e4ff);
}

.doc-card-visual svg {
  width: 34px;
  height: 34px;
  color: rgba(108, 92, 231, .4);
}

.doc-card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px 16px;
}

.doc-card-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 2px 9px;
  border-radius: 99px;
  background: var(--purple-pale);
  color: var(--purple-deep);
  font: 600 10px "Inter", sans-serif;
  letter-spacing: .04em;
}

.doc-card.is-selected .doc-card-tag {
  background: var(--purple);
  color: #FFFFFF;
}

.doc-card-body h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.doc-card-body p {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-soft);
}

@media (max-width: 560px) {
  .doc-accordion-panel-inner {
    padding-left: 16px;
  }

  .doc-carousel .doc-card {
    flex-basis: 100%;
  }
}

/* ===== contact.html (一般 / PoC・デモ申請 탭 분리) ===== */
/* ===== contact.html (一般 / PoC・デモ申請 タブ分離) ===== */

/* 무상 PoC 캠페인 배너 — 탭과 무관하게 좌측에 항상 노출. 상단에 큰 이미지 자리 확보 */
/* 無償PoCキャンペーンバナー — タブに関係なく左側に常に表示。上部に大きな画像スペースを確保 */
.poc-banner {
  margin: 28px 0 0;
  overflow: hidden;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--purple) 0%, var(--purple-deep) 100%);
  color: #FFFFFF;
  box-shadow: 0 16px 32px rgba(108, 92, 231, .22);
}

.poc-banner-media {
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, .12);
}

.poc-banner-media svg {
  width: 44px;
  height: 44px;
  color: rgba(255, 255, 255, .55);
}

.poc-banner-body {
  padding: 22px 24px;
}

.poc-banner-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 99px;
  background: rgba(255, 255, 255, .18);
  font: 600 11px "Inter", sans-serif;
  letter-spacing: .04em;
}

.poc-banner-body h3 {
  margin: 12px 0 0;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 600;
}

.poc-banner-body p {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .82);
}

/* 一般 / PoC・デモ申請 탭 전환 */
/* 一般 / PoC・デモ申請 タブ切り替え */
.form-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 28px;
  background: var(--purple-pale);
  border-radius: 12px;
}

.form-tab {
  flex: 1;
  padding: 11px 16px;
  border: none;
  border-radius: 9px;
  background: none;
  color: var(--ink-soft);
  font: 600 14px "Noto Sans JP", sans-serif;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, box-shadow .2s ease;
}

.form-tab.is-active {
  background: #FFFFFF;
  color: var(--purple-deep);
  box-shadow: 0 4px 12px rgba(108, 92, 231, .16);
}

/* 탭별 폼 카드 배경 — 기존 팔레트에서만 사용(새 색상 추가 없음).
   一般 = #F5F5F7(사이트 전역에서 이미 쓰는 회색, doc_down.html 폼 카드와 동일)
   PoC  = var(--purple-pale)(사이트 전역에서 이미 쓰는 옅은 퍼플, poc-banner와 톤 통일) */
/* タブ別フォームカードの背景 — 既存パレットのみを使用(新しい色の追加なし)。
   一般 = #F5F5F7(サイト全体で既に使用しているグレー、doc_down.htmlのフォームカードと同一)
   PoC  = var(--purple-pale)(サイト全体で既に使用している薄いパープル、poc-bannerとトーンを統一) */
.form-card.is-tab-general {
  background: #F5F5F7;
}

.form-card.is-tab-poc {
  background: var(--purple-pale);
}

/* select의 "선택됨" 표시를 :valid/:invalid(required 의존) 대신 실제 값 유무로 판단.
   required 없는 필드(トラフィック規模・SKU規模)도 동일하게 동작하도록 js에서 .has-value 클래스를 토글.
   doc_down.html도 .form-select를 공유하므로 .form-card--contact로 스코프(안 그러면 doc_down.html의
   select가 has-value를 받을 일이 없어 전부 회색으로 덮어써짐) */
/* selectの「選択済み」表示を:valid/:invalid(required依存)ではなく実際の値の有無で判定。
   requiredのないフィールド(トラフィック規模・SKU規模)も同様に動作するよう、jsで.has-valueクラスをトグルしている。
   doc_down.htmlも.form-selectを共有しているため.form-card--contactでスコープしている(スコープしないと
   doc_down.htmlのselectがhas-valueを受け取ることがなく、すべてグレーで上書きされてしまう) */
.form-card--contact .form-select:not(.has-value) {
  color: #9490a1;
}

.form-card--contact .form-select.has-value {
  color: var(--purple-deep);
  font-weight: 600;
}

/* data-tab-panel 래퍼가 .form-grid(flex, gap:26px)의 gap 계산에서 빠지지 않도록 display:contents 처리.
   이게 없으면 래퍼 내부 필드끼리는 gap이 적용 안 돼 다른 필드들보다 간격이 좁아 보임 */
/* data-tab-panelラッパーが.form-grid(flex, gap:26px)のgap計算から除外されないようdisplay:contentsを指定。
   これがないとラッパー内部のフィールド同士にgapが適用されず、他のフィールドより間隔が狭く見えてしまう */
[data-tab-panel] {
  display: contents;
}

[data-tab-panel][hidden] {
  display: none;
}

/* ≤1020px(2열→1열로 스택되는 지점)부터: 타이틀 → 폼 → 주의사항 → PoC 배너 순으로 재배치.
   .form-copy와 .form-card가 서로 다른 컨테이너라 order만으로는 못 섞으므로,
   .form-copy를 display:contents로 풀어 자식들을 .form-layout의 flex item으로 승격시킨 뒤 order 지정.
   doc_down.html도 .form-layout/.form-copy/.form-card를 공유하므로 반드시 .form-layout--contact로 스코프할 것
   — 스코프 없이 걸면 doc_down.html의 카테고리 블록들이 order:0 기본값이라 h1보다 위로 튀어오르는 심각한 레이아웃 붕괴가 생김.
   (참고: display:contents가 되면 .form-copy 자체의 .reveal 페이드인 애니메이션은 이 구간에서 비활성화됨 — 폼(.form-card)은 자체 .reveal이 있어 정상 작동) */
/* ≤1020px(2列→1列にスタックされるブレークポイント)から: タイトル → フォーム → 注意事項 → PoCバナー の順に再配置。
   .form-copyと.form-cardは異なるコンテナのためorderだけでは混在できず、
   .form-copyをdisplay:contentsで展開してその子要素を.form-layoutのflex itemに昇格させたうえでorderを指定している。
   doc_down.htmlも.form-layout/.form-copy/.form-cardを共有しているため、必ず.form-layout--contactでスコープすること
   — スコープせずに適用すると、doc_down.htmlのカテゴリーブロックがorder:0のデフォルト値のままh1より上に飛び出す
   深刻なレイアウト崩れが発生する。
   (補足: display:contentsになると.form-copy自体の.revealフェードインアニメーションはこの区間で無効になる — フォーム(.form-card)は
   独自の.revealを持っているため正常に動作する) */
@media (max-width: 1020px) {
  .form-layout--contact {
    display: flex;
    flex-direction: column;
    gap: 48px;
  }

  .form-layout--contact .form-copy {
    display: contents;
  }

  .form-layout--contact .form-copy h1 {
    order: 1;
  }

  .form-layout--contact .form-card {
    order: 2;
  }

  .form-layout--contact .form-copy-note {
    order: 3;
    margin-top: 0;
  }

  .form-layout--contact .poc-banner {
    order: 4;
    margin-top: 0;
  }
}

/* ===== products/*.html (제품 상세 — 블랭크 플레이스홀더) ===== */
/* ===== products/*.html (製品詳細 — 空のプレースホルダー) ===== */

.product-placeholder {
  padding: calc(var(--header-height) + 160px) 24px 160px;
  background: #FFFFFF;
  text-align: center;
}

.product-placeholder .page-subnav-eyebrow {
  display: block;
}

.product-placeholder h1 {
  margin: 16px 0 0;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--ink);
}

.product-placeholder p {
  margin: 20px auto 0;
  max-width: 420px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.product-placeholder .hero-cta {
  margin-top: 32px;
}

@media (max-width: 760px) {
  .product-placeholder {
    padding: calc(var(--header-height) + 88px) 20px 88px;
  }
}