.platform-page {
  --platform-primary: #2457a6;
  --platform-primary-dark: #173c76;
  --platform-accent: #23a6b5;
  --platform-primary-rgb: 36, 87, 166;
  --platform-accent-rgb: 35, 166, 181;
  --community-color: #23a6b5;
  --association-color: #2457a6;
  --business-color: #2c9b73;
  --dx-color: #7656d6;
  --new-business-color: #d97a45;
}

/* Match the top page hero title typography. */
.platform-page .platform-hero__title {
    color: var(--tb-blue-dark);
    font-family: "BIZ UDPMincho", "Yu Mincho", serif;
    font-size: clamp(1.8rem, 2.6vw, 4.4rem);
    line-height: 1.18;
    filter: drop-shadow(0 7px 5px rgba(255, 255, 255, 1));
}
.platform-page .platform-hero__title-accent {
  color: var(--platform-accent);
}

body.platform-page {
  background:
    radial-gradient(circle at 1px 1px, rgba(36, 87, 166, .03) 1px, transparent 1.3px),
    linear-gradient(180deg, #f7f9fc 0%, #eef3f8 50%, #f7f9fc 100%);
  background-size: 40px 40px, auto;
}

.platform-page .platform-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(56px, 7vw, 92px);
  background:
    radial-gradient(circle at 80% 20%, rgba(var(--platform-accent-rgb), .13), transparent 30%),
    linear-gradient(135deg, #fff 0%, #eef5fb 56%, #f1fbfb 100%);
}

.platform-page .platform-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(440px, 0.8fr);
  align-items: center;
  gap: clamp(18px, 2vw, 38px);
}

.platform-page .platform-hero__content { 
	min-width: 0; 
}
.platform-page .platform-hero .breadcrumb { margin-bottom: 34px; }
.platform-page .platform-hero__lead { 
	max-width: 620px; 
	margin-top: 24px; 
	color: var(--tb-ink); 
	font-size: 1.08rem; 
	line-height: 1.85; 
}
.platform-page .platform-hero__lead p { 
	margin: 0; 
}
.platform-page .platform-hero__lead p + p { margin-top: 12px; }
.platform-page .platform-hero__points { display: grid; gap: 9px; margin: 24px 0 0; padding: 0; list-style: none; color: var(--tb-ink); font-weight: 700; }
.platform-page .platform-hero__points li { position: relative; padding-left: 23px; }
.platform-page .platform-hero__points li::before { content: ""; position: absolute; top: .62em; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--platform-accent); }
.platform-page .platform-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.platform-page .platform-hero-visual {
  min-width: 0;
  margin-top: 20px;
  padding: clamp(12px, 2vw, 16px);
  border: 1px solid rgba(var(--platform-primary-rgb), .14);
  border-radius: 28px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 24px 58px rgba(25, 48, 76, .11);
}
.platform-page .platform-hero-visual__services,
.platform-page .platform-hero-visual__foundation { 
	display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); 
	gap: 8px; 
}
.platform-page .platform-hero-visual__services span { display: grid; min-height: 48px; place-items: center; padding: 8px; border: 1px solid var(--hero-service-color); border-radius: 12px; background: #fff; color: var(--tb-muted); font-size: .78rem; font-weight: 800; text-align: center; }
.platform-page .platform-hero-visual__foundation > span { display: grid; min-height: 48px; place-items: center; padding: 8px; border: 1px solid rgba(var(--platform-primary-rgb), .15); border-radius: 12px; background: #f7faff; color: #176b78; font-size: .78rem; font-weight: 800; text-align: center; }
.platform-page .platform-hero-visual__core { margin: 18px 0; padding: 24px; border-radius: 20px; background: linear-gradient(135deg, var(--platform-primary), var(--platform-primary-dark)); color: #fff; text-align: center; }
.platform-page .platform-hero-visual__core strong { display: block; letter-spacing: .12em; font-size: .86rem; }
.platform-page .platform-hero-visual__core div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 18px; }
.platform-page .platform-hero-visual__core span { padding: 10px 7px; border: 1px solid rgba(255, 255, 255, .18); border-radius: 9px; background: rgba(255, 255, 255, .1); font-size: .8rem; }
.platform-page .platform-hero-visual__foundation { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.platform-page .platform-hero-visual__foundation span { min-height: 40px; color: #176b78; background: #effafa; }

.platform-page .platform-copy { max-width: 800px; margin-top: 26px; color: var(--tb-muted); line-height: 1.9; }
.platform-page .platform-copy p { margin: 0; }
.platform-page .platform-copy p + p { margin-top: 12px; }
.platform-page .platform-card-grid { display: grid; gap: 18px; margin-top: 38px; }
.platform-page .platform-card-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.platform-page .platform-card-grid--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.platform-page .platform-card-grid--eight { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.platform-page .platform-card { 
	min-width: 0; 
	padding: 26px 14px; 
	border: 1px solid rgba(122, 145, 168, .2); 
	border-radius: 20px; 
	background: linear-gradient(145deg, rgba(255, 255, 255, .99), rgba(247, 250, 252, .97)); 
	box-shadow: 0 16px 36px rgba(25, 48, 76, .07); 
}
.platform-page .platform-card__number { display: block; color: var(--platform-primary); font-size: 1.5rem; font-weight: 800; letter-spacing: .12em; }
.platform-page .platform-card__eyebrow { color: var(--platform-accent); font-size: .76rem; font-weight: 800; letter-spacing: .14em; }
.platform-page .platform-card h3 { margin: 12px 0 0; color: var(--tb-ink); font-size: 1.12rem; line-height: 1.5; }
.platform-page .platform-card p { margin: 12px 0 0; color: var(--tb-muted); line-height: 1.8; }
.platform-page .platform-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 17px; }
.platform-page .platform-tags span { display: inline-flex; align-items: center; min-height: 25px; padding: 4px 9px; border: 1px solid rgba(var(--platform-primary-rgb), .16); border-radius: 999px; background: rgba(241, 247, 252, .85); color: var(--tb-muted); font-size: .72rem; font-weight: 700; line-height: 1.3; }
.platform-page .platform-card--featured { border-color: rgba(var(--platform-accent-rgb), .45); background: linear-gradient(145deg, #f0fbfb, #fff); box-shadow: 0 20px 42px rgba(35, 166, 181, .14); }

.platform-page .platform-compare { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 38px; }
.platform-page .platform-architecture .section-lead,
.platform-page .platform-functions .section-lead,
.platform-page .platform-services .section-lead,
.platform-page .platform-web-integration .section-lead,
.platform-page .platform-improvement .section-lead { max-width: 850px; margin-top: 20px; color: var(--tb-muted); line-height: 1.85; }
.platform-page .platform-architecture__diagram { display: grid; gap: 14px; margin-top: 34px; }
.platform-page .platform-layer { display: grid; grid-template-columns: minmax(220px, .72fr) minmax(0, 1.28fr); gap: 25px; align-items: center; padding: 24px; border: 1px solid rgba(var(--platform-primary-rgb), .15); border-radius: 20px; background: #fff; box-shadow: 0 13px 28px rgba(25, 48, 76, .05); }
.platform-page .platform-layer--services { border-left: 5px solid var(--platform-accent); }
.platform-page .platform-layer--functions { border-left: 5px solid var(--platform-primary); }
.platform-page .platform-layer--foundation { border-left: 5px solid #16202f; }
.platform-page .platform-layer__label { color: var(--platform-accent); font-size: .74rem; font-weight: 800; letter-spacing: .12em; }
.platform-page .platform-layer h3 { margin: 9px 0 0; color: var(--tb-ink); font-size: 1rem; line-height: 1.5; }
.platform-page .platform-layer__items { display: flex; flex-wrap: wrap; gap: 9px; }
.platform-page .platform-layer__items span { padding: 9px 12px; border: 1px solid rgba(var(--platform-primary-rgb), .14); border-radius: 10px; background: #f6f9fc; color: var(--tb-ink); font-size: .84rem; font-weight: 700; }
.platform-page .platform-layer__items span a { color: inherit; text-decoration: none; }
.platform-page .platform-layer__items span a:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
.platform-page .platform-layer--services .platform-layer__items > span:nth-child(1) { 
	border-color: var(--community-color); 
	color: var(--community-color); 
}
.platform-page .platform-layer--services .platform-layer__items > span:nth-child(2) { 
	border-color: var(--association-color); 
	color: var(--association-color); 
}
.platform-page .platform-layer--services .platform-layer__items > span:nth-child(3) { 
	border-color: var(--business-color); 
	color: var(--business-color); 
}
.platform-page .platform-layer--services .platform-layer__items > span:nth-child(4) { 
	border-color: var(--dx-color); 
	color: var(--dx-color); 
}
.platform-page .platform-layer--services .platform-layer__items > span:nth-child(5) { 
	border-color: var(--new-business-color); 
	color: var(--new-business-color); 
}

.platform-page .platform-note { margin: 20px 0 0; color: var(--tb-muted); font-size: .84rem; }
.platform-page .platform-service-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 36px; }
.platform-page .platform-service-card { position: relative; display: flex; min-width: 0; flex-direction: column; overflow: hidden; padding: 25px 22px; border: 1px solid rgba(122, 145, 168, .2); border-top: 4px solid var(--service-color); border-radius: 18px; background: #fff; color: var(--tb-ink); text-decoration: none; box-shadow: 0 14px 30px rgba(25, 48, 76, .06); }
.platform-page .platform-service-card > span { color: var(--service-color); font-size: .78rem; font-weight: 800; letter-spacing: .08em; }
.platform-page .platform-service-card h3 { margin: 12px 0 0; font-size: 1.06rem; line-height: 1.5; }
.platform-page .platform-service-card p { margin: 11px 0 0; color: var(--tb-muted); font-size: .86rem; line-height: 1.75; }
.platform-page .platform-service-card b { margin-top: auto; padding-top: 18px; color: var(--service-color); font-size: .8rem; }
.platform-page .platform-service-card--community { --service-color: var(--community-color); }
.platform-page .platform-service-card--association { --service-color: var(--association-color); }
.platform-page .platform-service-card--business { --service-color: var(--business-color); }
.platform-page .platform-service-card--dx { --service-color: var(--dx-color); }
.platform-page .platform-service-card--new { --service-color: var(--new-business-color); }
.platform-page .platform-dx-note { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; margin-top: 26px; padding: 24px; border: 1px solid rgba(var(--platform-primary-rgb), .15); border-left: 4px solid var(--dx-color); border-radius: 18px; background: rgba(255, 255, 255, .7); }
.platform-page .platform-dx-note h3 { margin: 8px 0 0; font-size: 1.16rem; }
.platform-page .platform-dx-note p { max-width: 850px; margin: 10px 0 0; color: var(--tb-muted); line-height: 1.8; }
.platform-page .platform-dx-note .site-button--ghost { color: var(--dx-color); white-space: nowrap; }

.platform-page .platform-step-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 34px; }
.platform-page .platform-step { min-width: 0; padding: 24px 21px; border: 1px solid rgba(var(--platform-primary-rgb), .16); border-radius: 18px; background: #fff; }
.platform-page .platform-step > span { color: var(--platform-primary); font-size: 1.4rem; font-weight: 800; letter-spacing: .1em; }
.platform-page .platform-step h3 { margin: 11px 0 0; font-size: 1rem; line-height: 1.5; }
.platform-page .platform-step p { margin: 10px 0 0; color: var(--tb-muted); line-height: 1.75; }
.platform-page .platform-faq { --faq-accent: var(--platform-primary); --faq-accent-rgb: var(--platform-primary-rgb); --faq-secondary: var(--platform-accent); background: #fff; }
.platform-page .platform-faq__list--legacy { display: none; }
.platform-page .platform-related__grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; margin-top: 34px; }
.platform-page .platform-related__grid .platform-service-card { padding: 21px 18px; }
.platform-page .platform-related__grid .platform-service-card h3 { font-size: .94rem; }
.platform-page .platform-related__grid .platform-service-card p { font-size: .8rem; }
.platform-page .platform-consultation { background: linear-gradient(135deg, #edf5fb 0%, #f8fafc 58%, #eff8f6 100%); }
.platform-page .platform-consultation__inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 34px; align-items: center; padding: 34px clamp(24px, 5vw, 48px); border: 1px solid rgba(var(--platform-primary-rgb), .16); border-left: 5px solid var(--platform-primary); border-radius: 20px; background: rgba(255, 255, 255, .72); }
.platform-page .platform-consultation__inner > div > p:not(.section-label) { max-width: 820px; margin: 15px 0 0; color: var(--tb-muted); line-height: 1.8; }
.platform-page .platform-consultation__inner .site-button { white-space: nowrap; }
.platform-page .platform-use-cases-links { display: flex; flex-wrap: wrap; gap: 14px 24px; max-width: 1180px; margin: 28px auto; padding: 20px 24px; border-left: 4px solid var(--platform-accent); border-radius: 14px; background: rgba(255, 255, 255, .72); }
.platform-page .platform-use-cases-links .section-label { flex-basis: 100%; margin: 0; }
.platform-page .platform-use-cases-links a { color: var(--platform-primary); font-size: .86rem; font-weight: 800; text-decoration: none; }
.platform-page a:focus-visible { outline: 3px solid rgba(var(--platform-accent-rgb), .4); outline-offset: 3px; }

@media (max-width: 1100px) {
  .platform-page .platform-hero__grid { grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr); gap: 32px; }
  .platform-page .platform-service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-page .platform-related__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  .platform-page .platform-hero__grid { grid-template-columns: 1fr; }
  .platform-page .platform-hero__content { max-width: 760px; }
  .platform-page .platform-hero-visual { max-width: 820px; }
  .platform-page .platform-card-grid--eight { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-page .platform-card-grid--four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-page .platform-step-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-page .platform-related__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-page .platform-consultation__inner { grid-template-columns: 1fr; }
  .platform-page .platform-consultation__inner .site-button { width: fit-content; }
}

@media (max-width: 760px) {
  body.platform-page { background-size: 44px 44px, auto; }
  .platform-page .platform-card-grid--three,
  .platform-page .platform-compare { grid-template-columns: 1fr; }
  .platform-page .platform-layer { grid-template-columns: 1fr; gap: 16px; }
  .platform-page .platform-dx-note { grid-template-columns: 1fr; }
  .platform-page .platform-dx-note .site-button--ghost { width: fit-content; }
  .platform-page .platform-related__grid { grid-template-columns: 1fr; }
  .platform-page .site-faq__question { padding: 17px 18px; }
}

@media (max-width: 640px) {
  .platform-page .platform-hero { padding-bottom: 56px; }
  .platform-page .platform-hero-visual { padding: 18px; border-radius: 20px; }
  .platform-page .platform-hero-visual__services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-page .platform-hero-visual__foundation { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-page .platform-hero-visual__core { padding: 20px 14px; }
  .platform-page .platform-hero-visual__core div { grid-template-columns: 1fr; }
  .platform-page .platform-hero__actions { display: grid; gap: 10px; }
  .platform-page .platform-hero__actions a { width: 100%; justify-content: center; }
  .platform-page .platform-card-grid--eight,
  .platform-page .platform-card-grid--four,
  .platform-page .platform-service-grid,
  .platform-page .platform-step-grid { grid-template-columns: 1fr; }
  .platform-page #common-functions { scroll-margin-top: 90px; }
  .platform-page .platform-consultation__inner .site-button { width: 100%; justify-content: center; white-space: normal; }
}

@media (prefers-reduced-motion: reduce) {
  .platform-page * { scroll-behavior: auto; }
}

/* Platform page concept and diagram refresh */
.platform-page {
  --pf-text-xs: .88rem;
  --pf-text-sm: .98rem;
  --pf-text-md: 1.08rem;
  --pf-text-base: 1.16rem;
  --pf-text-lead: 1.2rem;
  --pf-heading-small: 1.28rem;
  --pf-heading-medium: 1.42rem;
}

.platform-page .platform-hero-visual__label {
  margin: 0 0 14px;
  color: var(--platform-primary);
  font-size: .84rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-align: center;
}

.platform-page .platform-hero-visual__service {
  border-top: 4px solid currentColor;
  border-color: currentColor;
  background: #fff;
  color: var(--platform-primary-dark);
  font-size: .9rem;
  line-height: 1.4;
}
.platform-page .platform-hero-visual__service--community { color: var(--community-color); }
.platform-page .platform-hero-visual__service--association { color: var(--association-color); }
.platform-page .platform-hero-visual__service--business { color: var(--business-color); }
.platform-page .platform-hero-visual__service--new { color: var(--new-business-color); }
.platform-page .platform-hero-visual bt { display: block; }

.platform-page .platform-hero-visual__arrow {
  display: block;
  margin: 9px 0;
  color: rgba(var(--platform-primary-rgb), .42);
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1;
  text-align: center;
}

.platform-page .platform-concept {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, .86), rgba(var(--platform-accent-rgb), .035));
}
.platform-page .platform-concept__lead {
  max-width: 940px;
  margin-top: 28px;
  color: var(--tb-ink);
  font-size: var(--pf-text-base);
  line-height: 1.95;
}
.platform-page .platform-concept__lead p { margin: 0; }
.platform-page .platform-concept__lead p + p { margin-top: 14px; }
.platform-page .platform-concept__message {
  margin: 32px 0 0;
  padding-left: 22px;
  border-left: 5px solid var(--platform-accent);
  color: var(--platform-primary-dark);
  font-family: "BIZ UDPMincho", "Yu Mincho", serif;
  font-size: clamp(1.45rem, 2.3vw, 2rem);
  font-weight: 700;
  line-height: 1.65;
}
.platform-page .platform-concept-diagram {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(200px, 1fr) minmax(220px, .9fr) minmax(200px, 1fr);
  grid-template-areas: ". information ." "present core connect" ". operate ." "foundation foundation foundation";
  gap: 22px 32px;
  max-width: 980px;
  margin: 48px auto 0;
  padding: 22px;
}
.platform-page .platform-concept-diagram::before,
.platform-page .platform-concept-diagram::after { content: ""; position: absolute; z-index: -1; background: rgba(var(--platform-primary-rgb), .16); pointer-events: none; }
.platform-page .platform-concept-diagram::before { top: 15%; bottom: 21%; left: 50%; width: 1px; }
.platform-page .platform-concept-diagram::after { top: 49%; right: 16%; left: 16%; height: 1px; }
.platform-page .platform-concept-node {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 128px;
  flex-direction: column;
  justify-content: center;
  padding: 22px;
  border: 1px solid rgba(var(--platform-primary-rgb), .16);
  border-radius: 18px;
  background: rgba(255, 255, 255, .96);
  text-align: center;
  box-shadow: 0 14px 30px rgba(25, 48, 76, .06);
}
.platform-page .platform-concept-node--information { grid-area: information; }
.platform-page .platform-concept-node--present { grid-area: present; }
.platform-page .platform-concept-node--connect { grid-area: connect; }
.platform-page .platform-concept-node--operate { grid-area: operate; }
.platform-page .platform-concept-node > span { color: var(--platform-accent); font-size: .78rem; font-weight: 800; letter-spacing: .12em; }
.platform-page .platform-concept-node h3 { 
	margin: 10px 0 0; 
	color: var(--tb-ink); 
	font-size: var(--pf-heading-small);
    font-family: "Kosugi Maru",sans-serif;	 
	line-height: 1.55; 
}
.platform-page .platform-concept-core { 
	grid-area: core; 
	display: grid; 
	min-height: 164px; 
	place-items: center; 
	align-content: center; 
	padding: 20px; 
	border-radius: 24px; 
	background: linear-gradient(135deg, var(--platform-primary), var(--platform-primary-dark)); 
	color: #fff; 
	text-align: center; 
	box-shadow: 0 18px 38px rgba(36, 87, 166, .18); 
}
.platform-page .platform-concept-core strong { 
	display: block; 
	font-size: 1rem; 
	letter-spacing: .1em; 
}
.platform-page .platform-concept-core span { 
	display: block; 
	margin-top: 9px; 
	font-size: var(--pf-heading-medium); 
    font-family: "Kosugi Maru",sans-serif;	
}
.platform-page .platform-concept-foundation { grid-area: foundation; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.platform-page .platform-concept-foundation span { 
	display: grid; 
	min-height: 42px; 
	place-items: center; 
	padding: 8px 6px; 
	border: 1px solid rgba(var(--platform-accent-rgb), .2); 
	border-radius: 10px; 
	background: #effafa; 
	color: #176b78; 
	font-size: var(--pf-text-xs); 
	font-weight: 800; 
	line-height: 1.4; 
	text-align: center; 
}
.platform-page .platform-concept-foundation label {
	color: var(--tb-ink);
}
.platform-page .platform-principles { 
	display: grid; 
	grid-template-columns: repeat(4, minmax(0, 1fr)); 
	gap: 18px; 
	margin-top: 44px; 
}
.platform-page .platform-principle { min-width: 0; padding: 25px 22px; border: 1px solid rgba(var(--platform-primary-rgb), .14); border-radius: 18px; background: #fff; box-shadow: 0 14px 30px rgba(25, 48, 76, .05); }
.platform-page .platform-principle__number { color: var(--platform-accent); font-size: 1.45rem; font-weight: 800; letter-spacing: .1em; }
.platform-page .platform-principle__label {
	height: 24px;
	margin: 11px 0 0; 
	color: var(--platform-primary); 
	font-size: .72rem; 
	font-weight: 800; 
	letter-spacing: .08em; 
	line-height: 1.45; 
}

@media (max-width: 1100px) {
	.platform-page .platform-principle__label { 
	    height: auto;		
	}
}	
.platform-page .platform-principle h3 { margin: 13px 0 0; color: var(--tb-ink); font-size: var(--pf-heading-small); line-height: 1.55; }
.platform-page .platform-principle > p:last-child { margin: 12px 0 0; color: var(--tb-muted); font-size: var(--pf-text-sm); line-height: 1.8; }

.platform-page .platform-composition { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(210px, 1.15fr); gap: 10px; align-items: stretch; margin-top: 38px; }
.platform-page .platform-composition__item,
.platform-page .platform-composition__result { 
	display: flex; 
	min-width: 0; 
	min-height: 170px; 
	flex-direction: column; 
	justify-content: center; 
	padding: 12px 6px; 
	border: 1px solid rgba(var(--platform-primary-rgb), .18); 
	border-radius: 17px; 
	background: #fff; 
	text-align: center; 
	box-shadow: 0 14px 30px rgba(25, 48, 76, .06); 
}
.platform-page .platform-composition__item > span,
.platform-page .platform-composition__result > span { color: var(--platform-accent); font-size: .82rem; font-weight: 800; letter-spacing: .1em; }
.platform-page .platform-composition__item h3,
.platform-page .platform-composition__result h3 { margin: 10px 0 0; color: var(--tb-ink); font-size: var(--pf-heading-small); line-height: 1.5; }
.platform-page .platform-composition__item p,
.platform-page .platform-composition__result p { margin: 9px 0 0; color: var(--tb-muted); font-size: var(--pf-text-sm); line-height: 1.65; }
.platform-page .platform-composition__operator { display: grid; place-items: center; color: var(--platform-accent); font-size: 1.55rem; font-weight: 800; }
.platform-page .platform-composition__operator--equal { color: var(--platform-primary); }
.platform-page .platform-composition__result { border: 2px solid var(--platform-primary); background: linear-gradient(145deg, rgba(var(--platform-primary-rgb), .08), #fff); }
.platform-page .platform-composition__result h3 { color: var(--platform-primary-dark); }

.platform-page .page-main .breadcrumb { font-size: var(--pf-text-sm); line-height: 1.7; }
.platform-page .page-main .section-label { font-size: var(--pf-text-xs); line-height: 1.5; }
.platform-page .page-main .section-lead { font-size: var(--pf-text-base); line-height: 1.9; }
.platform-page .platform-hero__lead { font-size: var(--pf-text-lead); line-height: 1.9; }
.platform-page .platform-hero__points { font-size: var(--pf-text-md); line-height: 1.75; }
.platform-page .page-main .site-button,
.platform-page .page-main .site-button--ghost { font-size: var(--pf-text-md); }
.platform-page .platform-card h3 { font-size: var(--pf-heading-small); line-height: 1.55; }
.platform-page .platform-card p { font-size: var(--pf-text-md); line-height: 1.85; }
.platform-page .platform-tags span { min-height: 29px; padding: 5px 10px; font-size: var(--pf-text-xs); line-height: 1.4; }
.platform-page .platform-card__eyebrow { font-size: var(--pf-text-xs); }
.platform-page .platform-note { font-size: var(--pf-text-sm); line-height: 1.7; }
.platform-page .platform-layer h3,
.platform-page .platform-step h3,
.platform-page .platform-dx-note h3 { font-size: var(--pf-heading-small); }
.platform-page .platform-layer__items span { font-size: var(--pf-text-sm); }
.platform-page .platform-step p,
.platform-page .platform-dx-note p,
.platform-page .site-faq__answer p { font-size: var(--pf-text-md); line-height: 1.85; }
.platform-page .site-faq__question { font-size: 1.08rem; line-height: 1.7; }
.platform-page .platform-use-cases-links a { font-size: var(--pf-text-sm); line-height: 1.6; }

@media (max-width: 1100px) {
  .platform-page .platform-principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-page .platform-composition { grid-template-columns: 1fr auto 1fr; }
  .platform-page .platform-composition__result { grid-column: 1 / -1; min-height: 140px; }
  .platform-page .platform-composition__operator--equal { grid-column: 1 / -1; min-height: 40px; }
}
@media (max-width: 960px) {
  .platform-page .platform-concept-diagram { grid-template-columns: minmax(180px, 1fr) minmax(200px, .9fr) minmax(180px, 1fr); gap: 18px; padding: 14px; }
  .platform-page .platform-concept-core { min-height: 150px; }
}
@media (max-width: 760px) {
  .platform-page .platform-concept-diagram { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-areas: "core core" "information present" "connect operate" "foundation foundation"; gap: 14px; }
  .platform-page .platform-concept-diagram::before,
  .platform-page .platform-concept-diagram::after { display: none; }
  .platform-page .platform-concept-core { width: min(100%, 280px); min-height: 150px; justify-self: center; }
  .platform-page .platform-concept-node { min-height: 125px; }
  .platform-page .platform-concept-foundation { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .platform-page .platform-concept-diagram { grid-template-columns: 1fr; grid-template-areas: "core" "information" "present" "connect" "operate" "foundation"; padding: 0; }
  .platform-page .platform-concept-core { width: min(100%, 250px); }
  .platform-page .platform-concept-node { min-height: 0; }
  .platform-page .platform-concept-foundation { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-page .platform-principles { grid-template-columns: 1fr; }
  .platform-page .platform-composition__operator { min-height: 30px; }
  .platform-page .platform-composition__operator--equal { min-height: 36px; }
}

/* Final visual rhythm and background treatment */
.platform-page .platform-hero {
  isolation: isolate;
}
.platform-page .platform-hero > .site-shell {
  position: relative;
  z-index: 2;
}
.platform-page .platform-hero::before,
.platform-page .platform-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  border-radius: 50%;
  pointer-events: none;
}
.platform-page .platform-hero::before {
  top: -230px;
  right: -150px;
  width: clamp(360px, 40vw, 620px);
  aspect-ratio: 1;
  background: radial-gradient(circle at 38% 38%, rgba(var(--platform-accent-rgb), .2), rgba(var(--platform-accent-rgb), .09) 36%, transparent 72%);
  filter: blur(2px);
}
.platform-page .platform-hero::after {
  bottom: -130px;
  left: -120px;
  width: clamp(220px, 24vw, 360px);
  aspect-ratio: 1;
  border: 1px solid rgba(var(--platform-primary-rgb), .18);
  box-shadow: 0 0 0 40px rgba(var(--platform-primary-rgb), .025), 0 0 0 82px rgba(var(--platform-accent-rgb), .015);
}
.platform-page .platform-hero-visual {
  position: relative;
  isolation: isolate;
  background: linear-gradient(145deg, rgba(255, 255, 255, .97), rgba(242, 248, 252, .94));
}
.platform-page .platform-hero-visual::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -90px;
  right: -80px;
  width: 210px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--platform-accent-rgb), .13), transparent 70%);
  pointer-events: none;
}


.platform-page .platform-concept {
  background: radial-gradient(circle at 88% 18%, rgba(var(--platform-accent-rgb), .1), transparent 28%), radial-gradient(circle at 8% 84%, rgba(var(--platform-primary-rgb), .055), transparent 24%), linear-gradient(180deg, rgba(255, 255, 255, .94) 0%, #effafa 100%);
}
.platform-page .platform-positioning {
  background: linear-gradient(180deg, #f7f9fc 0%, #fff 100%);
  box-shadow: inset 0 1px 0 rgba(var(--platform-primary-rgb), .06), inset 0 -1px 0 rgba(var(--platform-primary-rgb), .06);
}
.platform-page .platform-architecture {
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 95% 15%, rgba(var(--platform-primary-rgb), .07), transparent 25%), linear-gradient(180deg, #fff 0%, #eef5fb 100%);
}
.platform-page .platform-functions {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(180deg, #f8fbfd 0%, #fff 100%);
}
.platform-page .platform-services { background: radial-gradient(circle at 5% 12%, rgba(var(--platform-accent-rgb), .055), transparent 22%), #fff; }
.platform-page .platform-building-blocks {
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 86% 18%, rgba(var(--platform-accent-rgb), .11), transparent 26%), linear-gradient(135deg, #edf5fb 0%, #f8fbfd 50%, #effafa 100%);
  box-shadow: inset 0 1px 0 rgba(var(--platform-primary-rgb), .07), inset 0 -1px 0 rgba(var(--platform-primary-rgb), .07);
}
.platform-page .platform-web-integration { background: #fff; }
.platform-page .platform-data-operation { background: linear-gradient(180deg, #f4f7fb 0%, #eef5fb 100%); }
.platform-page .platform-improvement { background: radial-gradient(circle at 92% 22%, rgba(var(--platform-accent-rgb), .085), transparent 27%), #fff; }
.platform-page .platform-flow { background: linear-gradient(180deg, #f7f9fc 0%, #eef5fb 100%); }
.platform-page .platform-faq { background: #fff; }
.platform-page .platform-related { background: linear-gradient(180deg, #f7f9fc 0%, #fff 100%); }

/* Scrolling watermarks are limited to the three concept-heavy sections. */
.platform-page .platform-concept,
.platform-page .platform-functions,
.platform-page .platform-improvement {
  --platform-watermark-duration: 72s;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.platform-page .platform-concept::before,
.platform-page .platform-functions::before,
.platform-page .platform-improvement::before {
  position: absolute;
  z-index: 0;
  top: clamp(36px, 6vw, 76px);
  left: 0;
  width: max-content;
  color: rgba(var(--platform-primary-rgb), .04);
  content: "PEOPLE DATA\00a0\00a0\00a0\00a0PEOPLE DATA\00a0\00a0\00a0\00a0PEOPLE DATA\00a0\00a0\00a0\00a0PEOPLE DATA\00a0\00a0\00a0\00a0PEOPLE DATA\00a0\00a0\00a0\00a0PEOPLE DATA\00a0\00a0\00a0\00a0PEOPLE DATA\00a0\00a0\00a0\00a0PEOPLE DATA";
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(5rem, 12vw, 10.5rem);
  font-weight: 800;
  line-height: .85;
  letter-spacing: -.055em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  animation: platform-watermark-scroll-left var(--platform-watermark-duration) linear infinite;
  will-change: transform;
}
.platform-page .platform-functions::before { color: rgba(var(--platform-primary-rgb), .038); content: "COMMON FUNCTIONS\00a0\00a0\00a0\00a0COMMON FUNCTIONS\00a0\00a0\00a0\00a0COMMON FUNCTIONS\00a0\00a0\00a0\00a0COMMON FUNCTIONS\00a0\00a0\00a0\00a0COMMON FUNCTIONS\00a0\00a0\00a0\00a0COMMON FUNCTIONS\00a0\00a0\00a0\00a0COMMON FUNCTIONS\00a0\00a0\00a0\00a0COMMON FUNCTIONS"; }
.platform-page .platform-improvement::before { color: rgba(var(--platform-accent-rgb), .04); content: "IMPROVE\00a0\00a0\00a0\00a0IMPROVE\00a0\00a0\00a0\00a0IMPROVE\00a0\00a0\00a0\00a0IMPROVE\00a0\00a0\00a0\00a0IMPROVE\00a0\00a0\00a0\00a0IMPROVE\00a0\00a0\00a0\00a0IMPROVE\00a0\00a0\00a0\00a0IMPROVE"; }
.platform-page .platform-concept > .site-shell,
.platform-page .platform-functions > .site-shell,
.platform-page .platform-improvement > .site-shell { position: relative; z-index: 2; }
@keyframes platform-watermark-scroll-left {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

.platform-page .platform-functions .platform-card,
.platform-page .platform-data-operation .platform-card,
.platform-page .platform-principle { position: relative; overflow: hidden; }
.platform-page .platform-functions .platform-card::before,
.platform-page .platform-data-operation .platform-card::before,
.platform-page .platform-principle::before { content: ""; position: absolute; top: 0; right: 0; left: 0; height: 4px; background: linear-gradient(90deg, var(--platform-primary), var(--platform-accent)); opacity: .76; }
.platform-page .platform-principle { border-color: rgba(var(--platform-primary-rgb), .15); background: linear-gradient(155deg, #fff 0%, rgba(var(--platform-accent-rgb), .025) 100%); }
.platform-page .platform-service-card { transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
@media (hover: hover) and (pointer: fine) {
  .platform-page .platform-service-card:hover { transform: translateY(-3px); box-shadow: 0 20px 38px rgba(25, 48, 76, .11); }
}

@media (max-width: 760px) {
  .platform-page .platform-watermark-section::before,
  .platform-page .platform-concept::before,
  .platform-page .platform-functions::before,
  .platform-page .platform-improvement::before { top: 30px; font-size: clamp(4rem, 17vw, 7rem); }
  .platform-page .platform-architecture,
  .platform-page .platform-building-blocks { background-position: center; }
}
@media (max-width: 640px) {
  .platform-page .platform-hero::before { top: -150px; right: -165px; width: 320px; }
  .platform-page .platform-hero::after { bottom: -90px; left: -115px; width: 190px; box-shadow: 0 0 0 25px rgba(var(--platform-primary-rgb), .022), 0 0 0 52px rgba(var(--platform-accent-rgb), .012); }
  .platform-page .platform-watermark-section::before,
  .platform-page .platform-concept::before,
  .platform-page .platform-functions::before,
  .platform-page .platform-improvement::before { top: 28px; font-size: clamp(3.8rem, 19vw, 5.8rem); }
  .platform-page .platform-layer { padding: 21px 19px; }
  .platform-page .site-faq__question { padding: 18px 15px; }
}
@media (prefers-reduced-motion: reduce) {
  .platform-page .platform-concept::before,
  .platform-page .platform-functions::before,
  .platform-page .platform-improvement::before { animation: none; transform: translate3d(-8%, 0, 0); will-change: auto; }
}

/* Hero service rows: three services above, two services below. */
.platform-page .platform-hero-visual__services {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.platform-page .platform-hero-visual__service--dx {
  --hero-service-color: var(--dx-color);
}
.platform-page .platform-hero-visual bt {
  display: block;
}
.platform-page .platform-hero-visual__service {
  min-height: 72px;
  border-color: var(--hero-service-color);
  border-top-color: var(--hero-service-color);
  background: rgba(255, 255, 255, .96);
  color: var(--tb-ink);
}
.platform-page .platform-hero-visual__service strong {
  display: block;
  color: var(--hero-service-color);
  font-size: var(--pf-text-xs);
  font-weight: 800;
  line-height: 1.35;
}
.platform-page .platform-hero-visual__service small {
  display: block;
  margin-top: 5px;
  color: var(--tb-muted);
  font-size: .78rem;
  font-weight: 700;
  line-height: 1.45;
}
.platform-page .platform-hero-visual__service--community { --hero-service-color: var(--community-color); }
.platform-page .platform-hero-visual__service--association { --hero-service-color: var(--association-color); }
.platform-page .platform-hero-visual__service--business { --hero-service-color: var(--business-color); }
.platform-page .platform-hero-visual__service--dx { --hero-service-color: var(--dx-color); }
.platform-page .platform-hero-visual__service--new { --hero-service-color: var(--new-business-color); }

@media (max-width: 640px) {
  .platform-page .platform-hero-visual__services { grid-template-columns: 1fr; }
  .platform-page .platform-hero-visual__service { min-height: 0; padding: 13px 12px; }
  .platform-page .platform-hero-visual__service strong { font-size: .94rem; }
  .platform-page .platform-hero-visual__service small,
  .platform-page .platform-hero-visual bt { font-size: .82rem; }
}

/* Platform hero service colors */
.platform-page .platform-hero-visual__service {
  --hero-service-color: var(--platform-primary);
  display: flex;
  min-width: 0;
  min-height: 72px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 11px 8px;
  border: 1px solid var(--hero-service-color);
  border-top: 5px solid var(--hero-service-color);
  border-radius: 12px;
  background: #fff;
  color: var(--tb-muted);
  text-align: center;
  box-shadow: 0 8px 18px rgba(25, 48, 76, .045);
}
.platform-page .platform-hero-visual__service::first-line { color: var(--hero-service-color); }
.platform-page .platform-hero-visual__service strong { display: block; color: var(--hero-service-color); font-size: var(--pf-text-xs); font-weight: 800; line-height: 1.35; }
.platform-page .platform-hero-visual__service small { display: block; margin-top: 5px; color: var(--tb-muted); font-size: .78rem; font-weight: 700; line-height: 1.45; }
.platform-page .platform-hero-visual__service--community { --hero-service-color: var(--community-color); }
.platform-page .platform-hero-visual__service--association { --hero-service-color: var(--association-color); }
.platform-page .platform-hero-visual__service--business { --hero-service-color: var(--business-color); }
.platform-page .platform-hero-visual__service--dx { --hero-service-color: var(--dx-color); }
.platform-page .platform-hero-visual__service--new { --hero-service-color: var(--new-business-color); }
.platform-page .platform-hero-visual__foundation > span { color: #176b78; }


/* Platform hero visual image variants */
.platform-page .platform-hero-visual {
  display: block;
  aspect-ratio: 2 / 3;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(var(--platform-primary-rgb), .14);
  border-radius: 28px;
  background-color: #eef6fc;
  background-image: url("../images/platform/figure_platform.webp");
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  box-shadow: 0 24px 58px rgba(25, 48, 76, .11);
}
.platform-page .platform-hero-visual > * {
  display: none;
}
.platform-page .platform-hero-visual::before {
  display: none;
}

@media (min-width: 768px) and (max-width: 960px) {
  .platform-page .platform-hero-visual {
    aspect-ratio: 3 / 2;
    background-image: url("../images/platform/figure_platform_wide.webp");
  }
}

@media (max-width: 767px) {
  .platform-page .platform-hero-visual {
    aspect-ratio: 2 / 3;
    border-radius: 20px;
    background-image: url("../images/platform/figure_platform.webp");
  }
}

/* Continuous improvement figure */
.platform-page .platform-improvement-figure {
  max-width: 1120px;
  margin: clamp(38px, 5vw, 58px) auto 0;
}

.platform-page .platform-improvement-figure__media {
  display: block;
  border-radius: 5%;
  overflow: hidden;    
  aspect-ratio: 2 / 3;
}

.platform-page .platform-improvement-figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.platform-page .platform-improvement-figure__caption {
  max-width: 900px;
  margin: clamp(28px, 4vw, 42px) auto 0;
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px solid rgba(var(--platform-primary-rgb), .16);
  color: var(--tb-muted);
  font-size: var(--pf-text-md);
  line-height: 1.95;
}

.platform-page .platform-improvement-figure__caption p {
  margin: 0;
}

@media (min-width: 580px) {
  .platform-page .platform-improvement-figure__media {
    aspect-ratio: 3 / 2;
    max-width: 860px;
    margin: 0 auto;    
  }
}

/* Platform composition figure variants */
.platform-page .platform-composition {
  display: block;
  width: min(100%, 760px);
  aspect-ratio: 2 / 3;
  min-height: 0;
  margin-right: auto;
  margin-left: auto;
  padding: 0;
  overflow: hidden;
  border: 0;
    background: #f5fafd url("../images/platform/figure_platform02_v2.webp") center / contain no-repeat;
  box-shadow: inset 0 0 12px rgba(245, 250, 253, .62);
}

.platform-page .platform-composition > * {
  display: none;
}

/* Website integration figure */
.platform-page .platform-integration-figure {
  margin: clamp(36px, 5vw, 56px) 0 0;
}

.platform-page .platform-integration-figure picture,
.platform-page .platform-integration-figure img {
  display: block;
  border-radius: 5%;
}

.platform-page .platform-integration-figure img {
  width: min(100%, 1200px);
  height: auto;
  margin: 0 auto;
}

.platform-page .platform-integration-figure__caption {
  max-width: 940px;
  margin: clamp(28px, 4vw, 42px) auto 0;
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px solid rgba(var(--platform-primary-rgb), .16);
  color: var(--tb-muted);
  font-size: var(--pf-text-md);
  line-height: 1.95;
}

.platform-page .platform-integration-figure__caption p {
  margin: 0;
}

.platform-page .platform-integration-figure__caption p + p {
  margin-top: 12px;
}

@media (max-width: 760px) {
  .platform-page .platform-integration-figure__caption {
    text-align: left;
  }
}

@media (min-width: 580px) {
  .platform-page .platform-composition {
    width: min(100%, 1180px);
    aspect-ratio: 3 / 2;
      background-image: url("../images/platform/figure_platform02_v2_wide.webp");
  }
}

/* Platform concept figure variants */
.platform-page .platform-concept-diagram {
  display: block;
  aspect-ratio: 1055 / 1260;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
    background: #f5fafd url("../images/platform/figure_platform03_v2.webp") center / contain no-repeat;
  box-shadow: inset 0 0 12px rgba(245, 250, 253, .62);
}

.platform-page .platform-concept-diagram > * {
  display: none;
}

.platform-page .platform-concept-diagram::before,
.platform-page .platform-concept-diagram::after {
  display: none;
}

/* Development concept: two perspectives after the diagram */
.platform-page .platform-concept-perspectives {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(32px, 5vw, 72px);
  margin-top: clamp(42px, 6vw, 68px);
  padding-top: clamp(30px, 4vw, 44px);
  border-top: 1px solid rgba(var(--platform-primary-rgb), .16);
}

.platform-page .platform-concept-perspective {
  min-width: 0;
}

.platform-page .platform-concept-perspective + .platform-concept-perspective {
  padding-left: clamp(32px, 5vw, 72px);
  border-left: 1px solid rgba(var(--platform-primary-rgb), .16);
}

.platform-page .platform-concept-perspective__label {
  margin: 0;
  color: var(--platform-accent);
  font-size: var(--pf-text-xs);
  font-weight: 800;
  letter-spacing: .12em;
}

.platform-page .platform-concept-perspective h3 {
  margin: 14px 0 0;
  color: var(--platform-primary-dark);
  font-family: "BIZ UDPMincho", "Yu Mincho", serif;
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  line-height: 1.6;
}

.platform-page .platform-concept-perspective > p:last-child {
  margin: 18px 0 0;
  color: var(--tb-muted);
  font-size: var(--pf-text-md);
  line-height: 1.95;
}

.platform-page .platform-concept__closing {
  max-width: 900px;
  margin: clamp(34px, 5vw, 52px) auto 0;
  padding-top: clamp(24px, 3vw, 34px);
  border-top: 1px solid rgba(var(--platform-accent-rgb), .22);
  color: var(--platform-primary-dark);
  font-size: var(--pf-text-base);
  font-weight: 700;
  line-height: 1.95;
  text-align: center;
}

@media (max-width: 760px) {
  .platform-page .platform-concept-perspectives {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .platform-page .platform-concept-perspective + .platform-concept-perspective {
    padding-top: 28px;
    padding-left: 0;
    border-top: 1px solid rgba(var(--platform-primary-rgb), .16);
    border-left: 0;
  }

  .platform-page .platform-concept__closing {
    text-align: left;
  }
}

@media (min-width: 580px) {
  .platform-page .platform-concept-diagram {
    aspect-ratio: 1512 / 1055;
      background-image: url("../images/platform/figure_platform03_v2_wide.webp");
  }
}