/* ============================================================
   東建産業 ICTステーション部 LP — Corporate Blueprint
   ============================================================ */

:root {
  --hero-image: none;
  /* 製品セクション末尾〜#issues 先頭だけ詰める量（上下で半分ずつ）。後からここを変える */
  --products-issues-tighten-total: 100px;
  --products-issues-tighten-each: calc(var(--products-issues-tighten-total) / 2);
  /* お問い合わせ見出し〜その下のリード文（.contact-lead-block）の間だけ詰める量（上へ） */
  --contact-lead-after-heading-tighten: 50px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  font-size: var(--font-size-base);
}

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--clr-charcoal);
  background-color: var(--clr-offwhite);
  line-height: var(--line-height-base);
  letter-spacing: var(--letter-spacing-body);
  font-feature-settings: var(--font-feature-jp-body);
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--clr-safety);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

ul,
ol {
  list-style: none;
}

/* 狭い画面（767px 以下）でのみ改行。hero.headline / contact.leadTitle の | マーカー用 */
br.u-br-mobile {
  display: none;
}

@media (max-width: 767px) {
  br.u-br-mobile {
    display: inline;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(100%, var(--layout-shell-width));
  max-width: none;
  margin-inline: auto;
  padding-inline: 0;
}

.page-notice {
  width: min(100%, var(--layout-shell-width));
  margin: 1rem auto 0;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.98rem;
  line-height: 1.7;
}

.page-notice--preview {
  background-color: rgba(80, 184, 72, 0.1);
  border: 1px solid rgba(80, 184, 72, 0.22);
  color: var(--clr-charcoal-dk);
}

.page-notice--error {
  background-color: rgba(51, 51, 204, 0.08);
  border: 1px solid rgba(51, 51, 204, 0.18);
  color: var(--clr-charcoal-dk);
}

section {
  padding-block: var(--space-2xl);
  min-height: auto;
}

/* #products / #issues の間だけ：共通 section パディングぶんを対称に減らす（変数は :root 参照） */
#products.section-products {
  padding-block-end: max(0.75rem, calc(var(--space-2xl) - var(--products-issues-tighten-each)));
}

#issues.section-issues {
  padding-block-start: max(0.75rem, calc(var(--space-2xl) - var(--products-issues-tighten-each)));
}

.section-intro {
  max-width: none;
  margin-bottom: var(--space-xl);
}

.section-intro--center {
  margin-inline: auto;
  text-align: center;
}

.section-intro--center .section-label-tag {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  margin-inline: auto;
}

.measure-body {
  max-width: var(--measure-body);
}

.section-label-tag {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: var(--letter-spacing-label);
  font-feature-settings: var(--font-feature-jp-body);
  color: var(--clr-stone);
  border-left: 3px solid var(--clr-copper);
  padding-left: var(--space-xs);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}

.section-heading {
  width: 100%;
  font-size: clamp(1.8rem, 3.2vw, 2.45rem);
  font-weight: 900;
  line-height: var(--line-height-heading);
  color: var(--clr-charcoal-dk);
  margin-bottom: var(--space-md);
  letter-spacing: var(--letter-spacing-heading);
  font-feature-settings: var(--font-feature-jp-body);
}

.section-lead {
  max-width: none;
  margin-bottom: 0;
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--clr-stone);
}

.section-p1,
.section-p2,
.section-p3 {
  position: relative;
  isolation: isolate;
}

.section-p1 {
  background-color: var(--surface-p1);
}

.section-p2 {
  background: linear-gradient(180deg, var(--surface-p2-start) 0%, var(--surface-p2-end) 100%);
}

.section-p2::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(51, 51, 204, 0.05), transparent 34%),
    radial-gradient(circle at 12% 20%, rgba(80, 184, 72, 0.08), transparent 26%);
  pointer-events: none;
  z-index: 0;
}

.section-p1 > .container,
.section-p2 > .container,
.section-p3 > .container {
  position: relative;
  z-index: 1;
}

.section-about > .container,
.section-products > .container,
.section-issues > .container,
.section-company > .container,
.section-contact > .container {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-column-gap);
}

.section-about > .container {
  --about-grid-col: calc((100% - 11 * var(--grid-column-gap)) / 12);
  --about-category-line-trim: calc(3 * var(--about-grid-col) + 2 * var(--grid-column-gap));
}

.section-about > .container > *,
.section-products > .container > *,
.section-issues > .container > * {
  grid-column: 2 / 12;
  min-width: 0;
}

.section-company > .container > *,
.section-contact > .container > * {
  grid-column: 4 / 10;
  min-width: 0;
}

.reveal {
  opacity: 0;
  transform: none;
  transition: opacity var(--motion-duration-reveal) var(--motion-easing-reveal);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity;
}

.reveal--seq {
  transform: translate3d(0, var(--reveal-distance), 0);
  transition:
    opacity var(--motion-duration-reveal) var(--motion-easing-reveal) var(--reveal-delay, 0ms),
    transform var(--motion-duration-reveal) var(--motion-easing-reveal) var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.reveal--hero {
  transform: translate3d(0, var(--reveal-distance-hero), 0);
  transition:
    opacity var(--motion-duration-reveal) var(--motion-easing-reveal),
    transform var(--motion-duration-reveal) var(--motion-easing-reveal);
  will-change: opacity, transform;
}

.btn-primary {
  display: inline-block;
  min-height: 48px;
  padding: 0.85em 2em;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  background-color: var(--clr-safety);
  color: var(--clr-white);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: var(--letter-spacing-label);
  font-feature-settings: var(--font-feature-jp-body);
  text-align: center;
  transition:
    background-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--clr-rust);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-primary--large {
  font-size: 1.1rem;
  padding: 1em 2.5em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  padding-inline: var(--layout-gutter);
  background-color: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.site-header .container {
  width: 100%;
  max-width: none;
  margin-inline: 0;
}

.header-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: clamp(1rem, 2vw, 2.4rem);
  height: 100%;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  line-height: 1;
  flex: 0 0 auto;
  padding-right: 0;
  position: relative;
  z-index: 2;
}

.site-logo-mark,
.footer-brand-mark {
  display: block;
  width: clamp(148px, 9.6vw, 184px);
  height: auto;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.15;
}

.logo-company {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--clr-stone);
  letter-spacing: var(--letter-spacing-heading);
  font-feature-settings: var(--font-feature-jp-body);
}

.logo-dept {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-charcoal-dk);
  letter-spacing: var(--letter-spacing-label);
  font-feature-settings: var(--font-feature-jp-body);
  text-transform: uppercase;
}

.global-nav {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  flex: 1 1 auto;
  min-width: 0;
  justify-self: stretch;
  gap: clamp(1rem, 1.8vw, 2rem);
}

.nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  gap: clamp(0.35rem, 0.85vw, 1rem);
  min-width: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(0.85rem, 0.8rem + 0.14vw, 0.94rem);
  font-weight: 600;
  color: var(--clr-stone);
  line-height: 1.25;
  padding: 0.45em 0.28em;
  border-radius: var(--radius-sm);
  letter-spacing: var(--letter-spacing-label);
  font-feature-settings: var(--font-feature-jp-body);
  white-space: nowrap;
  transition: color var(--transition), background-color var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
  color: var(--clr-charcoal-dk);
  background-color: rgba(0, 0, 0, 0.04);
}

.nav-link--cta {
  background-color: var(--clr-safety);
  color: var(--clr-white);
  font-weight: 700;
  flex: 0 0 auto;
  padding: 0.72em 1.2em;
  border-radius: var(--radius-md);
  transition:
    background-color var(--transition),
    color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.nav-link--cta:hover,
.nav-link--cta:focus-visible {
  background-color: var(--clr-rust);
  color: var(--clr-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.nav-link--cta.is-active {
  background-color: var(--clr-rust);
  color: var(--clr-white);
}

.header-contact-cta {
  flex: 0 0 auto;
  position: relative;
  justify-self: end;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--clr-charcoal);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

@media (max-width: 1280px) {
  .header-inner {
    gap: 0.85rem;
  }

  .site-logo-mark,
  .footer-brand-mark {
    width: 156px;
  }

  .nav-list {
    gap: 0.3rem;
  }

  .nav-link {
    font-size: 0.8rem;
    padding: 0.42em 0.14em;
    letter-spacing: var(--letter-spacing-heading);
  }

  .nav-link--cta {
    padding: 0.66em 1em;
  }
}

.section-hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  padding-block: var(--space-2xl);
  --hero-image-mobile: var(--hero-image);
  background:
    linear-gradient(135deg, var(--surface-p3-start) 0%, var(--surface-p3-end) 100%);
  overflow: clip;
}

.section-hero[data-hero-variant="C"] {
  --hero-title-progress: 0;
  --hero-blur-progress: 0;
  --hero-copy-progress: 0;
  min-height: calc((100svh - var(--header-h)) * 2.1);
  padding-block: 0;
  /* 親の .section-hero P3 グラデを無効化（余白露出時に紺帯が出ないように） */
  background: none;
  background-color: var(--clr-white);
}

.hero-sticky-stage {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  overflow: hidden;
}

.section-hero[data-hero-variant="C"] .hero-sticky-stage {
  position: sticky;
  top: var(--header-h);
  height: calc(100svh - var(--header-h));
  min-height: 0;
  background-color: var(--clr-white);
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center bottom;
  background-repeat: no-repeat;
}

.section-hero[data-hero-variant="C"] .hero-kicker,
.section-hero[data-hero-variant="C"] .hero-headline {
  text-shadow:
    0 1px 3px rgba(255, 255, 255, 0.9),
    0 2px 14px rgba(255, 255, 255, 0.65);
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(96deg, rgba(7, 21, 39, 0.96) 0%, rgba(7, 21, 39, 0.9) 44%, rgba(7, 21, 39, 0.52) 74%, rgba(7, 21, 39, 0.24) 100%),
    radial-gradient(circle at 78% 22%, var(--surface-p3-glow) 0%, rgba(80, 184, 72, 0) 38%);
  z-index: 0;
}

.section-hero[data-hero-variant="C"] .hero-bg-overlay {
  background:
    linear-gradient(
      104deg,
      rgba(252, 255, 254, 0.915) 0%,
      rgba(252, 255, 254, 0.744) 44%,
      rgba(252, 255, 254, 0.488) 72%,
      rgba(252, 255, 254, 0.08) 100%
    ),
    linear-gradient(180deg, rgba(252, 255, 254, 0.28) 0%, rgba(252, 255, 254, 0.1) 100%);
}

.hero-inner {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
}

.section-hero .container {
  max-width: none;
}

.hero-content {
  width: 100%;
}

.hero-shell {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: end;
}

.hero-shell--c {
  max-width: none;
  transform: translateY(clamp(1.4rem, 4vh, 3.1rem));
}

.hero-frame {
  display: grid;
  gap: var(--space-md);
  opacity: calc(1 - var(--hero-title-progress, 0));
  transform: translate3d(calc(var(--hero-title-progress, 0) * 24px), 0, 0);
  filter: blur(calc(var(--hero-title-progress, 0) * 1px));
  transform-origin: 58% 52%;
  will-change: transform, opacity, filter;
}

/* Variant C: 幅広のみキッカー＋見出しをグリッド2列頭出し。～1024px・モバイルは左端（下段コピーと揃え） */
@media (min-width: 1025px) {
  .section-hero[data-hero-variant="C"] .hero-frame {
    padding-inline-start: calc(
      (100% - 11 * var(--grid-column-gap)) / 12 + var(--grid-column-gap)
    );
  }
}

.hero-track-out {
  display: grid;
  gap: var(--space-md);
}

.hero-kicker {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: var(--letter-spacing-label);
  font-feature-settings: var(--font-feature-jp-body);
  color: rgba(225, 241, 224, 0.78);
  text-transform: uppercase;
}

.hero-headline {
  font-size: clamp(2.2rem, 4.8vw, 4rem);
  font-weight: 900;
  line-height: 1.16;
  color: var(--clr-white);
  margin-bottom: 0;
  letter-spacing: var(--letter-spacing-heading);
  font-feature-settings: var(--font-feature-jp-body);
}

.section-hero[data-hero-variant="C"] .hero-kicker {
  color: rgba(17, 24, 23, 0.72);
}

.section-hero[data-hero-variant="C"] .hero-headline {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.24;
  color: var(--clr-charcoal-dk);
}

.ruby-annotation {
  ruby-align: center;
}

.ruby-annotation rt {
  font-size: 0.30em;
  font-weight: 700;
  letter-spacing: var(--letter-spacing-body);
  line-height: 1;
}

.hero-headline-ruby {
  color: #9ce698;
}

.hero-headline-ruby-rt {
  color: #9ce698;
}

.section-hero[data-hero-variant="C"] .hero-headline-ruby,
.section-hero[data-hero-variant="C"] .hero-headline-ruby-rt {
  color: var(--clr-safety);
}

.section-heading .hero-headline-ruby,
.section-heading .hero-headline-ruby-rt {
  color: var(--clr-safety);
}

.hero-blur-screen {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  padding-inline: var(--layout-gutter);
  background:
    linear-gradient(90deg, rgba(246, 255, 250, 0.18), rgba(250, 255, 252, 0.28)),
    rgba(250, 255, 252, 0.22);
  backdrop-filter: blur(2px) saturate(1.01);
  -webkit-backdrop-filter: blur(2px) saturate(1.01);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0.55) 54px, #000 128px);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0.55) 54px, #000 128px);
  transform: translate3d(0, calc((1 - var(--hero-blur-progress, 0)) * 105%), 0);
  will-change: transform;
  pointer-events: none;
}

.hero-transition-copy {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.9rem;
  max-width: 820px;
  text-align: center;
  color: rgba(17, 24, 23, 0.84);
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
  font-weight: 500;
  line-height: 2.05;
  letter-spacing: 0.04em;
  opacity: var(--hero-copy-progress, 0);
  transform: translate3d(0, calc((1 - var(--hero-copy-progress, 0)) * 8px), 0);
  will-change: opacity, transform;
}

.hero-transition-copy__line {
  margin: 0;
}

.about-layout,
.value-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: clamp(32px, 4vw, 72px);
  align-items: start;
}

.company-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(1.75rem, 4vh, 2.75rem);
  max-width: 100%;
}

.about-body,
.value-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.about-side {
  display: flex;
  flex-direction: column;
  align-self: start;
}

.body-text {
  max-width: none;
  font-size: 1rem;
  line-height: 1.92;
  color: var(--clr-stone);
}

.body-text.measure-body {
  max-width: var(--measure-body);
}

.about-copy,
.value-copy {
  display: grid;
  gap: var(--space-sm);
}

.section-about .about-layout {
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(56px, 7vw, 96px);
}

.section-about .section-intro {
  max-width: min(100%, var(--readable-shell-max));
  margin-bottom: var(--space-sm);
}

.section-about .about-body {
  max-width: min(100%, 820px);
  gap: var(--space-sm);
}

.section-about .about-side {
  width: 100%;
  min-width: 0;
  max-width: none;
  justify-self: stretch;
  margin-top: 0;
}

.about-side {
  padding-top: var(--space-sm);
}

.about-side-head {
  display: grid;
  gap: 0.45rem;
  margin-bottom: var(--space-md);
}

.about-side-label {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: var(--letter-spacing-label);
  font-feature-settings: var(--font-feature-jp-body);
  color: var(--clr-safety);
  text-transform: uppercase;
}

.about-side-title {
  font-size: 1.16rem;
  font-weight: 700;
  color: var(--clr-charcoal-dk);
  line-height: 1.5;
  letter-spacing: var(--letter-spacing-heading);
  font-feature-settings: var(--font-feature-jp-body);
}

.about-categories {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 1.5rem;
}

.about-category-item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
  padding: 0.95rem 0;
}

.about-category-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: calc(100% - var(--about-category-line-trim));
  height: 1px;
  background-color: var(--line);
}

.about-category-index {
  display: inline-flex;
  align-items: center;
  min-height: 1.4rem;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: var(--letter-spacing-label);
  font-feature-settings: var(--font-feature-jp-body);
  color: rgba(80, 184, 72, 0.72);
}

.about-category-text {
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--clr-charcoal);
}

.issues-board {
  width: 100%;
  display: grid;
  gap: clamp(1rem, 2.2vw, 1.65rem);
}

/* Challenges（#issues）：連続ボード。左は透過 PNG ピクト（枠・番号ラベルなし） */
.issue-block.issue-row {
  --issue-illust-size: clamp(7rem, 9vw, 9.375rem); /* ~112–150px、3カードで統一 */
  box-sizing: border-box;
  display: grid;
  grid-template-columns:
    minmax(7rem, clamp(7rem, 11vw, 9.875rem))
    minmax(0, 1fr)
    minmax(15.75rem, 0.94fr);
  column-gap: clamp(1.25rem, 2.6vw, 2.5rem);
  row-gap: 0;
  align-items: stretch;
  align-self: start;
  min-width: 0;
  width: 100%;
  padding: clamp(1.35rem, 2.3vw, 1.85rem) clamp(1.15rem, 2.3vw, 1.85rem);
  background: var(--clr-white);
  border: 1px solid rgba(80, 184, 72, 0.14);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.issue-block.issue-row > .issue-illust,
.issue-block.issue-row > .issue-pictogram-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  min-width: 0;
}

.issue-pictogram {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-sizing: border-box;
  width: min(100%, var(--issue-illust-size));
  height: auto;
  aspect-ratio: 1 / 1;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.issue-pictogram-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.issue-column.issue-column--problem {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-self: stretch;
  min-width: 0;
}

.issue-problem-copy {
  display: grid;
  grid-template-rows: auto;
  gap: clamp(0.36rem, 0.95vw, 0.52rem);
  max-width: var(--measure-body);
  min-width: 0;
}

.issue-column.issue-column--perspective.issue-block__perspective {
  display: flex;
  flex-direction: column;
  gap: clamp(0.45rem, 1.1vw, 0.62rem);
  max-width: none;
  min-width: 0;
  align-self: stretch;
  justify-content: center;
  min-height: 0;
  padding: clamp(1.05rem, 1.65vw, 1.42rem) clamp(1rem, 1.85vw, 1.3rem);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(80, 184, 72, 0.14);
  background: rgba(252, 255, 254, 0.76);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
  transition:
    opacity var(--motion-duration-bridge) var(--motion-easing-bridge),
    transform var(--motion-duration-bridge) var(--motion-easing-bridge);
}

.section-issues.is-bridging .issue-column--perspective {
  opacity: 0.42;
  transform: translate3d(0, -4px, 0);
}

.issue-column-label {
  margin: 0;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: var(--letter-spacing-label);
  font-feature-settings: var(--font-feature-jp-body);
  text-transform: uppercase;
  color: var(--clr-safety);
}

.issue-column-label--perspective {
  color: rgba(30, 94, 62, 0.9);
}

.issue-title {
  margin: 0;
  padding: 0;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--clr-charcoal-dk);
  line-height: 1.42;
  letter-spacing: var(--letter-spacing-heading);
  font-feature-settings: var(--font-feature-jp-body);
}

.issue-problem-text,
.issue-perspective-text {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.75;
}

.issue-problem-text {
  margin-top: 0.06rem;
  color: var(--clr-stone);
}

.issue-perspective-text {
  color: var(--clr-charcoal);
}

.value-support-sequence {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0 clamp(0.55rem, 1vw, 0.9rem);
  /* 左端はそのまま、右端だけ内側10列の1トラック＋ギャップ分狭める（100cqi = .core-value-story 幅） */
  max-width: min(
    100%,
    720px,
    max(
      0px,
      calc(
        100% -
          ((100cqi - 9 * var(--grid-column-gap)) / 10 + var(--grid-column-gap))
      )
    )
  );
  width: 100%;
  margin: clamp(2.1rem, 4.4vw, 3.4rem) 0 0;
  padding: clamp(1.05rem, 2vw, 1.35rem) 0 0;
  border-top: 1px solid rgba(15, 41, 70, 0.12);
  list-style: none;
}

.value-support-step {
  position: relative;
  display: grid;
  justify-items: center;
  align-content: start;
  gap: 0.42rem;
  min-width: 0;
  color: rgba(15, 41, 70, 0.72);
}

.value-support-step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  opacity: 0.76;
}

.value-support-step-icon .line-icon {
  display: block;
  width: 25px;
  height: 25px;
}

.value-support-step-label {
  display: block;
  max-width: 5.4em;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0;
  text-align: center;
  color: rgba(15, 41, 70, 0.7);
  font-feature-settings: var(--font-feature-jp-body);
}

.value-support-step-number {
  display: none;
}

.value-support-connector {
  position: absolute;
  top: 15px;
  left: calc(50% + 24px);
  right: calc(-50% + 20px);
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(15, 41, 70, 0.12), rgba(80, 184, 72, 0.24));
}

.value-support-connector::after {
  content: "";
  position: absolute;
  top: -3px;
  right: 0;
  width: 6px;
  height: 6px;
  border-top: 1px solid rgba(80, 184, 72, 0.38);
  border-right: 1px solid rgba(80, 184, 72, 0.38);
  transform: rotate(45deg);
  transform-origin: center;
}

.value-closing {
  margin-top: var(--space-lg);
  padding: clamp(1.35rem, 2.6vw, 1.8rem) 0 0 clamp(1rem, 1.6vw, 1.35rem);
  border: none;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  border-left: 4px solid var(--clr-safety);
  border-radius: 0;
  box-shadow: none;
  background: linear-gradient(90deg, rgba(80, 184, 72, 0.07) 0%, rgba(252, 255, 254, 0) 58%);
}

.value-closing--image-layer {
  position: absolute;
  top: calc(clamp(560px, 72svh, 820px) - 110px);
  right: 0;
  left: calc(((100% - 9 * var(--grid-column-gap)) / 10) * 6 + var(--grid-column-gap) * 6);
  justify-self: stretch;
  z-index: 3;
  width: auto;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
  color: var(--clr-charcoal-dk);
  text-shadow: 0 1px 10px rgba(252, 255, 254, 0.62);
}

.value-closing-copy {
  display: grid;
  gap: 0.7rem;
  max-width: none;
}

.value-closing-copy--scroll {
  opacity: var(--closing-copy-opacity, 0);
  transform: translate3d(0, calc((1 - var(--closing-copy-opacity, 0)) * 4px), 0);
  transition:
    opacity 1000ms linear,
    transform 1000ms var(--motion-easing-reveal);
  will-change: opacity, transform;
}

.value-closing-chasm-footnote {
  display: grid;
  gap: 0.22rem;
  justify-items: end;
  text-align: right;
}

.value-closing-chasm-footnote--scroll {
  opacity: var(--closing-chasm-opacity, 0);
  transform: translate3d(0, calc((1 - var(--closing-chasm-opacity, 0)) * 3px), 0);
  transition:
    opacity 1000ms linear,
    transform 1000ms var(--motion-easing-reveal);
  will-change: opacity, transform;
}

.value-closing--image-layer .value-closing-chasm-footnote {
  margin-top: clamp(0.65rem, 1.6vw, 1rem);
  padding-top: clamp(0.5rem, 1.2vw, 0.75rem);
  border-top: 1px solid rgba(15, 41, 70, 0.07);
  max-width: min(100%, 38rem);
  margin-inline-start: auto;
  text-shadow:
    0 1px 0 rgba(252, 255, 254, 0.9),
    0 0 12px rgba(252, 255, 254, 0.75);
}

.value-closing-chasm-footnote .value-closing-chasm-footnote__p {
  margin: 0;
  max-width: min(100%, 34rem);
}

.value-closing--image-layer .value-closing-chasm-footnote .core-value-chasm-title {
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.55;
  color: rgba(15, 41, 70, 0.62);
}

.value-closing--image-layer .value-closing-chasm-footnote .core-value-chasm-definition {
  font-size: 0.7rem;
  line-height: 1.58;
  color: rgba(15, 41, 70, 0.52);
}

.value-closing--image-layer .value-closing-chasm-footnote .core-value-chasm-attribution {
  font-size: 0.64rem;
  line-height: 1.55;
  color: rgba(15, 41, 70, 0.46);
}

.section-core-value {
  --core-value-image-size: cover;
  --core-value-image-position: center calc(100% + clamp(78px, calc(6svh + 30px), 126px));
  --closing-copy-opacity: 0;
  --closing-chasm-opacity: 0;
  --core-value-image-mask: linear-gradient(
    180deg,
    transparent 0%,
    rgba(0, 0, 0, 0.18) 20%,
    rgba(0, 0, 0, 0.72) 38%,
    #000 58%
  );
  position: relative;
  isolation: isolate;
  min-height: clamp(960px, 124svh, 1380px);
  padding-block-start: calc(var(--space-2xl) + clamp(1.25rem, 2.5vw, 1.5rem));
  padding-block-end: clamp(5rem, 14svh, 11rem);
  background:
    linear-gradient(180deg, rgba(246, 248, 248, 0.96) 0%, rgba(244, 248, 248, 0.9) 42%, var(--surface-p1) 100%);
  overflow: clip;
}

.section-core-value.section-core-value--has-image {
  background-attachment: scroll;
}

.section-core-value.section-core-value--has-image::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: var(--core-value-image);
  background-size: var(--core-value-image-size);
  background-position: var(--core-value-image-position);
  background-repeat: no-repeat;
  -webkit-mask-image: var(--core-value-image-mask);
  mask-image: var(--core-value-image-mask);
}

.section-core-value.section-core-value--has-image::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(210deg, rgba(246, 248, 248, 0.12) 0%, rgba(246, 248, 248, 0.08) 48%, rgba(252, 255, 254, 0.14) 100%),
    linear-gradient(
      180deg,
      rgba(246, 248, 248, 0.72) 0%,
      rgba(246, 248, 248, 0.5) 30%,
      rgba(252, 255, 254, 0.18) 70%,
      rgba(252, 255, 254, 0.3) 100%
    );
}

.section-core-value.section-p2:not(.section-core-value--has-image)::before {
  content: none;
}

.section-core-value.section-value-unified {
  min-height: clamp(960px, 124svh, 1380px);
}

.section-core-value .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-column-gap);
}

.section-core-value .container > [data-render="value"] {
  grid-column: 2 / 12;
  min-width: 0;
}

.core-value-bg-overlay {
  display: none;
}

.core-value-story {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  column-gap: var(--grid-column-gap);
  position: relative;
  /* アイコン帯「1グリッド分だけ右を縮める」計算で cqi に使う */
  container-type: inline-size;
  container-name: cv-story;
  min-height: auto;
  row-gap: clamp(72px, 12svh, 136px);
}

.core-value-intro-layout {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  column-gap: var(--grid-column-gap);
  row-gap: clamp(56px, 8vw, 96px);
  min-height: auto;
  align-items: start;
}

.core-value-intro-copy {
  grid-column: 1 / 7;
  max-width: min(100%, 760px);
}

.section-core-value .section-intro {
  margin-bottom: var(--space-md);
}

.section-core-value .section-intro,
.section-core-value .section-lead,
.section-core-value .measure-body,
.section-core-value .body-text.measure-body {
  max-width: none;
}

.core-value-text {
  margin: 0;
  color: inherit;
}

.core-value-text--context {
  font-size: clamp(1.02rem, 1.35vw, 1.22rem);
  font-weight: 600;
  line-height: 1.75;
}

.core-value-text--main {
  font-size: clamp(1.42rem, 2.35vw, 1.92rem);
  font-weight: 900;
  line-height: 1.55;
  letter-spacing: var(--letter-spacing-heading);
  font-feature-settings: var(--font-feature-jp-body);
  color: var(--clr-charcoal-dk);
}

.core-value-chasm-title,
.core-value-chasm-definition,
.core-value-chasm-attribution {
  margin: 0;
}

.core-value-chasm-title {
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.5;
  color: rgba(15, 41, 70, 0.52);
  letter-spacing: var(--letter-spacing-heading);
  font-feature-settings: var(--font-feature-jp-body);
}

.core-value-chasm-definition {
  font-size: 0.7rem;
  line-height: 1.65;
  color: rgba(15, 41, 70, 0.45);
  font-feature-settings: var(--font-feature-jp-body);
}

.core-value-chasm-attribution {
  font-size: 0.65rem;
  line-height: 1.6;
  color: rgba(15, 41, 70, 0.38);
  font-style: italic;
  font-feature-settings: var(--font-feature-jp-body);
}

.core-value-chasm-title + .core-value-chasm-definition {
  margin-top: 0.08rem;
}

.core-value-chasm-definition + .core-value-chasm-attribution {
  margin-top: 0.22rem;
}

.section-products .section-intro,
.section-products .products-image-notes,
.section-products .products-notes,
.section-products .products-bridge {
  width: 100%;
  margin-inline: 0;
}

.section-products .section-lead {
  max-width: var(--measure-lead);
}

.products-notes {
  display: grid;
  gap: 0.32rem;
  margin-top: var(--space-md);
}

.products-image-notes {
  display: grid;
  gap: 0.32rem;
  margin-bottom: var(--space-sm);
}

.products-note {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--clr-stone);
}

.products-bridge {
  display: grid;
  justify-items: center;
  gap: 0.9rem;
  margin-top: clamp(calc(1.625rem + 35px), calc(4.75vw + 35px), calc(3.375rem + 35px));
  margin-bottom: clamp(1.125rem, 3.25vw, 2.5rem);
  padding-top: 0;
  text-align: center;
  color: var(--clr-charcoal-dk);
}

.products-bridge-line {
  position: relative;
  width: 1px;
  height: clamp(44px, 6vw, 72px);
  overflow: visible;
  background: linear-gradient(180deg, rgba(80, 184, 72, 0.34) 0%, rgba(80, 184, 72, 0.1) 54%, rgba(80, 184, 72, 0.02) 100%);
  box-shadow:
    0 0 18px rgba(80, 184, 72, 0.18),
    0 0 44px rgba(80, 184, 72, 0.1);
}

.products-bridge-line::before,
.products-bridge-line::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.products-bridge-line::before {
  inset: -8px -12px;
  background: radial-gradient(ellipse at center, rgba(80, 184, 72, 0.18) 0%, rgba(80, 184, 72, 0.06) 36%, rgba(80, 184, 72, 0) 72%);
  filter: blur(6px);
}

.products-bridge-line::after {
  top: -18%;
  left: 50%;
  width: 2px;
  height: 38%;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(206, 235, 204, 0.88) 50%, rgba(80, 184, 72, 0) 100%);
  filter: blur(0.3px);
  opacity: 0.72;
  animation: products-bridge-shimmer 3.6s var(--motion-easing-bridge) infinite;
}

@keyframes products-bridge-shimmer {
  0%,
  24% {
    opacity: 0;
    transform: translate(-50%, -24%);
  }

  44% {
    opacity: 0.72;
  }

  72%,
  100% {
    opacity: 0;
    transform: translate(-50%, 220%);
  }
}

.products-bridge-copy {
  display: grid;
  gap: 0.35rem;
}

.products-bridge-title,
.products-bridge-body {
  margin: 0;
}

.products-bridge-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--clr-stone);
}

.products-bridge-body {
  font-size: clamp(1.1rem, 1.8vw, 1.36rem);
  font-weight: 800;
  line-height: 1.6;
  letter-spacing: var(--letter-spacing-heading);
}

.carousel-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.carousel-track-outer {
  overflow: clip;
  flex: 1;
  min-width: 0;
  border-radius: var(--radius-sm);
  padding-right: var(--products-peek);
  touch-action: pan-y;
  -webkit-mask-image: linear-gradient(to right, #000 calc(100% - var(--products-peek)), transparent 100%);
  mask-image: linear-gradient(to right, #000 calc(100% - var(--products-peek)), transparent 100%);
}

.carousel-track {
  display: flex;
  align-items: stretch;
  gap: var(--space-md);
  transition: transform 300ms ease;
  will-change: transform;
  padding-block: var(--space-xs);
}

.carousel-track:focus-visible {
  outline: 3px solid rgba(80, 184, 72, 0.38);
  outline-offset: 3px;
}

.product-card {
  flex: 0 0
    calc(
      (100% - 2 * var(--space-md) - var(--products-peek)) / var(--products-carousel-slots, 2.5)
    );
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background-color: var(--clr-white);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-sm);
  padding: 1rem;
  min-height: 100%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.product-card--empty {
  justify-content: center;
}

.product-card__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, rgba(80, 184, 72, 0.1), rgba(51, 51, 204, 0.08)),
    rgba(243, 248, 246, 0.88);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.product-card__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.75rem;
}

.product-card__area {
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--clr-stone);
}

.card-name {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--clr-charcoal-dk);
  line-height: 1.45;
  letter-spacing: var(--letter-spacing-heading);
  font-feature-settings: var(--font-feature-jp-body);
}

.card-desc {
  font-size: 0.93rem;
  color: var(--clr-stone);
  line-height: 1.82;
}

.product-card__capabilities {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.product-card__capability {
  padding: 0.55rem 0.6rem;
  border: 1px solid rgba(80, 184, 72, 0.16);
  background: rgba(80, 184, 72, 0.06);
  color: var(--clr-charcoal);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.45;
}

.carousel-btn {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.14);
  background-color: var(--clr-white);
  color: var(--clr-charcoal);
  font-size: 1.35rem;
  line-height: 1;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.06);
  transition:
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition),
    box-shadow var(--transition);
}

.carousel-btn:hover,
.carousel-btn:focus-visible {
  background-color: rgba(80, 184, 72, 0.06);
  border-color: rgba(80, 184, 72, 0.32);
  color: var(--clr-charcoal-dk);
  box-shadow: 0 12px 22px rgba(0, 0, 0, 0.08);
  outline: none;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5em;
  margin-top: var(--space-md);
}

.carousel-dot {
  width: 9px;
  min-width: 9px;
  height: 9px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background-color: rgba(17, 24, 23, 0.16);
  cursor: pointer;
  transition: background-color var(--transition), transform var(--transition);
}

.carousel-dot.is-active,
.carousel-dot:focus-visible {
  background-color: var(--clr-safety);
  transform: scale(1.3);
}

.section-company .section-intro {
  max-width: min(100%, var(--readable-shell-max));
  margin-inline: auto;
  text-align: center;
}

.section-company {
  padding-block: clamp(3.25rem, 6.5vh, 4.5rem);
}

.section-company .section-lead {
  color: var(--clr-stone);
  margin-bottom: clamp(1.75rem, 4vh, 2.75rem);
  text-align: center;
  margin-inline: auto;
}

.section-company .body-text {
  color: var(--clr-charcoal);
}

.section-company .company-stack {
  width: 100%;
  margin-inline: 0;
}

.company-dl {
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--line);
}

.company-dl-row {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  align-items: flex-start;
  padding: 1.1rem 0;
  border-top: 1px solid var(--line);
}

.company-dt {
  margin: 0;
  flex-shrink: 0;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: var(--letter-spacing-heading);
  font-feature-settings: var(--font-feature-jp-body);
  color: var(--clr-stone);
}

.company-dd {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.65;
  font-weight: 400;
  color: var(--clr-charcoal);
  text-align: left;
}

@media (min-width: 640px) {
  .company-dl-row {
    flex-direction: row;
    gap: 2.5rem;
    align-items: baseline;
    padding: 1.35rem 0;
  }

  .company-dt {
    width: 6rem;
    padding-top: 0.15em;
  }

  .company-dd {
    flex: 1;
    min-width: 0;
  }
}

.company-link {
  color: var(--clr-safety);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.company-link:hover,
.company-link:focus-visible {
  color: var(--color-primary-hover);
}

/* 問い合わせ＋フッターをまとめてヘッダー下1画面に収める */
.contact-footer-viewport {
  min-height: calc(100svh - var(--header-h));
  display: flex;
  flex-direction: column;
}

.contact-footer-viewport .section-contact {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-footer-viewport .site-footer {
  flex-shrink: 0;
}

.section-contact {
  text-align: center;
}

.section-contact .section-intro {
  max-width: min(100%, var(--readable-shell-max));
  margin-inline: auto;
}

.section-contact .section-lead {
  text-align: center;
  margin-inline: auto;
}

.contact-lead-block {
  --contact-lead-line: rgba(80, 184, 72, 0.42);
  width: min(100%, 680px);
  margin-top: calc(
    clamp(0.35rem, 1.8vw, 0.85rem) - var(--contact-lead-after-heading-tighten)
  );
  margin-right: auto;
  margin-bottom: var(--space-lg);
  margin-left: auto;
  padding: 0;
  border: 0;
  background: none;
  text-align: center;
}

.contact-lead-block::before {
  content: "";
  display: block;
  width: min(288px, 56vw);
  height: 1px;
  margin: 0 auto clamp(1.35rem, 3vw, 1.9rem);
  background: linear-gradient(
    90deg,
    transparent 0,
    var(--contact-lead-line) 22%,
    var(--contact-lead-line) 78%,
    transparent 100%
  );
}

.contact-lead-title {
  margin: 0;
  color: var(--clr-charcoal-dk);
  font-size: clamp(1.08rem, 1.5vw, 1.26rem);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: var(--letter-spacing-heading);
  font-feature-settings: var(--font-feature-jp-body);
}

.contact-lead-body {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.75rem;
}

.contact-lead-text {
  margin: 0;
  color: var(--clr-stone);
  font-size: 0.96rem;
  line-height: 1.92;
}

.contact-lead-text .ruby-annotation rt {
  font-size: 0.52em;
  font-weight: 600;
}

.contact-copy {
  width: min(100%, 640px);
  margin: 0 auto var(--space-md);
  color: var(--clr-stone);
  font-size: 0.98rem;
  line-height: 1.85;
  text-align: center;
}

.contact-cta-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(100%, 680px);
  margin-inline: auto;
  gap: var(--space-sm);
}

.contact-section-cta {
  min-width: min(100%, 280px);
}

.site-footer {
  background:
    linear-gradient(180deg, rgba(252, 255, 254, 0.96) 0%, rgba(243, 248, 246, 0.74) 100%);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding-inline: var(--layout-gutter);
  padding-block: var(--space-lg);
}

.footer-logo .logo-company {
  color: var(--clr-stone);
}

.footer-logo .logo-dept {
  color: var(--clr-charcoal-dk);
}

.footer-inner {
  width: 100%;
  max-width: none;
  margin-inline: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-md);
}

.footer-logo,
.footer-site-link {
  position: relative;
  z-index: 1;
}

.footer-logo {
  justify-self: start;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  justify-self: center;
}

.footer-brand-mark-link {
  display: inline-flex;
  line-height: 1;
}

.footer-copy {
  font-size: 0.86rem;
  color: var(--clr-stone);
  text-align: center;
  max-width: 24rem;
}

.footer-site-link {
  justify-self: end;
  font-size: 0.9rem;
  color: var(--clr-safety);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.footer-site-link:hover,
.footer-site-link:focus-visible {
  color: var(--color-primary-hover);
}

@media (max-width: 1024px) {
  :root {
    --space-2xl: 4.5rem;
  }

  .section-company > .container > *,
  .section-contact > .container > * {
    grid-column: 2 / 12;
  }

  .about-layout,
  .value-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .section-about .about-layout {
    grid-template-columns: 1fr;
  }

  .section-about .about-body,
  .section-about .about-side {
    width: 100%;
    max-width: none;
    justify-self: stretch;
  }

  .section-about .about-side {
    margin-top: 0;
  }

  .section-core-value,
  .section-core-value.section-value-unified {
    min-height: auto;
  }

  .section-core-value {
    --core-value-image-size: cover;
    --core-value-image-position: center calc(100% + clamp(70px, calc(6svh + 30px), 114px));
    --core-value-image-mask: linear-gradient(
      180deg,
      transparent 0%,
      rgba(0, 0, 0, 0.16) 14%,
      rgba(0, 0, 0, 0.72) 32%,
      #000 48%
    );
  }

  .value-closing--image-layer {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
    justify-self: stretch;
    width: 100%;
    margin-top: var(--space-xl);
  }

  .value-closing-chasm-footnote,
  .value-closing--image-layer .value-closing-chasm-footnote {
    justify-items: start;
    text-align: left;
    margin-inline-start: 0;
    margin-inline-end: auto;
  }

  .core-value-story {
    min-height: auto;
    grid-template-columns: 1fr;
    row-gap: var(--space-xl);
  }

  .core-value-intro-layout {
    grid-column: 1;
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .core-value-intro-copy {
    grid-column: 1;
    max-width: none;
  }

  .about-categories {
    grid-template-columns: 1fr;
  }

  .issue-block.issue-row {
    --issue-illust-size: clamp(6rem, 8.75vw, 7.875rem);
    grid-template-columns:
      minmax(6rem, clamp(6rem, 10vw, 8.125rem))
      minmax(0, 1fr)
      minmax(min(14.75rem, 33vw), 0.92fr);
    column-gap: clamp(0.85rem, 2vw, 1.65rem);
    row-gap: 0;
    padding: clamp(1.08rem, 2vw, 1.52rem) clamp(1rem, 2vw, 1.5rem);
  }

  .product-card {
    flex: 0 0 calc((100% - var(--space-md) - var(--products-peek)) / 2);
  }
}

@media (max-width: 1180px) {
  :root {
    --header-h: 60px;
  }

  .site-logo-mark,
  .footer-brand-mark {
    width: auto;
    height: 32px;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .global-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: grid;
    gap: var(--space-sm);
    background-color: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
    padding: var(--space-md) var(--layout-gutter) calc(var(--space-md) + 0.1rem);
    max-height: calc(100svh - var(--header-h));
    overflow-y: auto;
    overscroll-behavior: contain;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-0.75rem);
    transition:
      opacity 180ms ease,
      transform 250ms ease,
      visibility 0s linear 250ms;
    will-change: opacity, transform;
    z-index: 99;
  }

  .global-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition:
      opacity 180ms ease,
      transform 250ms ease,
      visibility 0s linear 0s;
  }

  .nav-list {
    position: static;
    top: auto;
    left: auto;
    transform: none;
    width: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .nav-link {
    display: block;
    padding: 0.75em 1em;
    font-size: 1rem;
    text-align: left;
    letter-spacing: var(--letter-spacing-heading);
  }

  .header-contact-cta {
    position: static;
    width: 100%;
    margin-top: 0.2rem;
    margin-left: 0;
    text-align: center;
  }
}

@media (max-width: 767px) {
  :root {
    --space-2xl: 3.5rem;
    --space-xl: 2.5rem;
    --header-h: 56px;
    --products-peek: clamp(14px, 5vw, 24px);
    /* 4列グリッド／モバイルではリードを詰めすぎない（:root 既定の 50px を無効化） */
    --contact-lead-after-heading-tighten: 0px;
  }

  .site-logo-mark,
  .footer-brand-mark {
    height: 28px;
  }

  .section-about > .container,
  .section-products > .container,
  .section-issues > .container,
  .section-company > .container,
  .section-contact > .container,
  .section-core-value .container {
    display: block;
  }

  .section-about > .container {
    --about-grid-col: calc((100% - 3 * var(--spacing-16)) / 4);
    --about-category-line-trim: var(--about-grid-col);
  }

  .section-intro {
    margin-bottom: var(--space-lg);
  }

  .section-hero {
    min-height: calc(100svh - var(--header-h));
    padding-block: var(--space-xl);
  }

  .section-hero[data-hero-variant="C"] {
    min-height: calc(100svh - var(--header-h));
    padding-block: 0;
  }

  .section-hero[data-hero-variant="C"] .hero-sticky-stage {
    position: relative;
    top: auto;
    height: auto;
    min-height: calc(100svh - var(--header-h));
    display: grid;
    align-content: center;
    background-image: var(--hero-image-mobile);
    background-position: center 42%;
  }

  .hero-inner,
  .section-hero[data-hero-variant="C"] .hero-inner {
    position: relative;
    inset: auto;
    top: auto;
    min-height: auto;
    padding-block: var(--space-xl) var(--space-lg);
  }

  .hero-frame,
  .hero-track-out {
    max-width: none;
    margin-inline: 0;
    padding-inline-start: 0;
    opacity: 1;
    transform: none;
    filter: none;
    text-align: left;
  }

  .hero-shell--c {
    transform: none;
  }

  .hero-blur-screen {
    position: relative;
    inset: auto;
    min-height: auto;
    padding-block: var(--space-lg) var(--space-xl);
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    -webkit-mask-image: none;
    mask-image: none;
    transform: none;
  }

  .hero-transition-copy {
    opacity: 1;
    transform: none;
    font-size: 1rem;
    line-height: 1.95;
    letter-spacing: 0.03em;
  }

  .hero-headline {
    font-size: clamp(1.65rem, 6vw, 2.15rem);
  }

  .hero-shell {
    gap: var(--space-lg);
  }

  .hero-kicker {
    font-size: 0.72rem;
  }

  .hero-subcopy,
  .hero-lead,
  .hero-content,
  .body-text {
    max-width: none;
  }

  .product-card {
    flex: 0 0 calc(100% - var(--products-peek));
    padding: 0.9rem;
  }

  .carousel-wrapper {
    gap: clamp(0.4rem, 2vw, 0.55rem);
  }

  .carousel-track {
    gap: clamp(0.85rem, 4vw, 1.2rem);
  }

  .carousel-btn {
    display: flex;
    width: clamp(36px, 10vw, 40px);
    height: clamp(36px, 10vw, 40px);
    font-size: 1.1rem;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.06);
  }

  .issue-block.issue-row {
    --issue-illust-size: clamp(6.85rem, 36vw, 10.5rem);
    grid-template-columns: minmax(0, 1fr);
    grid-auto-rows: auto;
    column-gap: 0;
    row-gap: clamp(0.7rem, 3vw, 0.98rem);
    padding: clamp(0.92rem, 3.2vw, 1.2rem) clamp(0.92rem, 4vw, 1.08rem);
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .issue-block.issue-row > .issue-illust,
  .issue-block.issue-row > .issue-pictogram-cell {
    align-self: center;
    justify-content: center;
    margin-inline: auto;
    width: 100%;
    max-width: min(176px, 44vw);
  }

  .issue-block.issue-row .issue-pictogram {
    width: min(100%, min(176px, 44vw));
    height: auto;
    max-width: 100%;
    aspect-ratio: 1 / 1;
  }

  .issue-column.issue-column--problem {
    align-self: stretch;
    width: 100%;
  }

  .issue-column.issue-column--perspective.issue-block__perspective {
    width: 100%;
    justify-content: flex-start;
    padding: clamp(0.95rem, 3vw, 1.22rem) clamp(0.88rem, 4vw, 1.06rem);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: var(--space-sm);
  }

  .footer-logo,
  .footer-site-link {
    justify-self: center;
  }

  .value-closing {
    padding: 1.15rem 0 0 0.9rem;
  }

  .value-closing-copy {
    gap: 0.55rem;
  }

  .section-core-value {
    --core-value-image-size: auto 62%;
    --core-value-image-position: 58% calc(100% + clamp(54px, calc(8vw + 30px), 70px));
    --core-value-image-mask: linear-gradient(
      180deg,
      transparent 0%,
      rgba(0, 0, 0, 0.08) 14%,
      rgba(0, 0, 0, 0.18) 30%,
      rgba(0, 0, 0, 0.38) 52%,
      rgba(0, 0, 0, 0.58) 76%,
      rgba(0, 0, 0, 0.72) 100%
    );
    min-height: auto;
  }

  .section-core-value.section-core-value--has-image::after {
    background:
      linear-gradient(
        180deg,
        rgba(246, 248, 248, 0.78) 0%,
        rgba(246, 248, 248, 0.7) 42%,
        rgba(246, 248, 248, 0.58) 68%,
        rgba(252, 255, 254, 0.52) 100%
      ),
      linear-gradient(210deg, rgba(246, 248, 248, 0.1) 0%, rgba(246, 248, 248, 0.06) 54%, rgba(252, 255, 254, 0.12) 100%);
  }

  .section-core-value .section-intro {
    margin-bottom: var(--space-md);
  }

  .value-support-sequence {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 0.75rem;
    max-width: none;
    width: 100%;
    margin-top: clamp(1.8rem, 9vw, 2.35rem);
    padding-top: 1rem;
  }

  .value-support-step {
    gap: 0.35rem;
  }

  .value-support-step.reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .value-support-step-icon {
    width: 30px;
    height: 30px;
  }

  .value-support-step-icon .line-icon {
    width: 23px;
    height: 23px;
  }

  .value-support-step-label {
    display: inline-flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25em;
    max-width: none;
    font-size: 0.76rem;
  }

  .value-support-step-number {
    display: inline;
    color: rgba(80, 184, 72, 0.78);
    font-weight: 800;
  }

  .value-support-connector {
    display: none;
  }

  .core-value-story {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-lg);
  }

  .core-value-intro-layout,
  .core-value-intro-copy,
  .value-closing--image-layer {
    grid-column: 1 / -1;
    width: 100%;
    max-width: none;
    justify-self: stretch;
  }

  .core-value-intro-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .value-closing--image-layer {
    left: auto;
    right: auto;
    justify-self: stretch;
    width: 100%;
    margin-top: var(--space-lg);
    padding: 0;
    text-shadow: 0 1px 8px rgba(252, 255, 254, 0.72);
  }

  .core-value-text--context {
    font-size: 1rem;
    line-height: 1.7;
  }

  .core-value-text--main {
    font-size: 1.14rem;
    line-height: 1.6;
  }

  .contact-lead-block::before {
    margin-bottom: clamp(1.1rem, 3.5vw, 1.5rem);
  }

  .contact-lead-text,
  .contact-copy {
    font-size: 0.94rem;
  }
}

@media (min-width: 640px) and (max-width: 767px) {
  .product-card {
    flex: 0 0 calc((100% - var(--space-md) - var(--products-peek)) / 2);
  }
}

@media (max-width: 480px) {
  .section-heading {
    font-size: 1.65rem;
  }

  .hero-headline {
    font-size: 1.55rem;
  }

  .btn-primary--large {
    width: 100%;
    font-size: 1rem;
  }

}

@media print {
  .site-header,
  .nav-toggle,
  .carousel-btn,
  .carousel-dots {
    display: none;
  }

  .contact-footer-viewport {
    min-height: auto;
    display: block;
  }

  section {
    page-break-inside: avoid;
    min-height: auto;
    display: block;
  }
}

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

  .hero-frame,
  .hero-blur-screen,
  .hero-transition-copy,
  .value-closing-copy--scroll,
  .value-closing-chasm-footnote--scroll,
  .section-issues.is-bridging .issue-column--perspective {
    transition: none;
  }

  .products-bridge-line::after {
    animation: none;
    opacity: 0.38;
    transform: translate(-50%, 76%);
  }
}

/* ------------------------------------------------------------
   Dev: layout grid overlay (?grid=1 or body[data-grid="on"])
   z-index 9999 keeps the overlay visible for full-page alignment
   checks; pointer-events: none preserves click-through.
   ------------------------------------------------------------ */

.grid-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
}

body[data-grid="on"] .grid-overlay {
  display: block;
}

.grid-overlay__inner {
  position: relative;
  width: min(100%, var(--layout-shell-width));
  max-width: none;
  height: 100%;
  margin-inline: auto;
  --grid-col: calc((100% - 11 * var(--grid-column-gap)) / 12);
  --grid-gap: var(--grid-column-gap);
  background-image: repeating-linear-gradient(
    to right,
    var(--accent-soft) 0,
    var(--accent-soft) var(--grid-col),
    transparent var(--grid-col),
    transparent calc(var(--grid-col) + var(--grid-gap))
  );
}

.grid-overlay__inner::before {
  content: "";
  position: absolute;
  inset-block: 0;
  left: calc(var(--grid-col) + var(--grid-gap));
  width: calc(var(--grid-col) * 10 + var(--grid-gap) * 9);
  border-inline: 1px solid rgba(51, 51, 204, 0.24);
}

.grid-overlay__inner::after {
  content: "";
  position: absolute;
  inset-block: 0;
  left: calc(var(--grid-col) * 3 + var(--grid-gap) * 3);
  width: calc(var(--grid-col) * 6 + var(--grid-gap) * 5);
  border-inline: 1px solid rgba(80, 184, 72, 0.26);
}

@media (max-width: 767px) {
  .grid-overlay__inner {
    --grid-col: calc((100% - 3 * var(--spacing-16)) / 4);
    --grid-gap: var(--spacing-16);
  }

  .grid-overlay__inner::before,
  .grid-overlay__inner::after {
    display: none;
  }
}