/* ==========================================================================
   BIOTECHWORKS-H2 launch page
   Structure: foundation → shared components → sections → responsive
   ========================================================================== */

:root {
  --navy: #142889;
  --navy-deep: #0a1a5c;
  --navy-950: #060d33;
  --ink: #101525;
  --sub: #5a6079;
  --line: #dfe3ec;
  --line-dark: rgba(255, 255, 255, .2);
  --off: #f5f6f8;
  --white: #fff;
  --accent: #4b6bff;
  --accent-soft: #aebaff;
  --page-max: 1240px;
  --page-narrow: 1040px;
  --gutter: clamp(24px, 4vw, 48px);
  --section-space: clamp(104px, 10vw, 152px);
  --header-height: 76px;
  --display-hero: clamp(48px, 5.3vw, 76px);
  --display-hero-en: clamp(42px, 4.5vw, 60px);
  --display-xl: clamp(44px, 5vw, 72px);
  --display-lg: clamp(38px, 4.35vw, 62px);
  --display-md: clamp(34px, 3.8vw, 54px);
  --body-lg: clamp(18px, 1.4vw, 20px);
  --body-md: 16px;
  --language-font-adjust: 0px;
  --leading-display: 1.22;
  --leading-body: 1.9;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --font-ja: "LINE Seed JP", "Noto Sans JP", "Yu Gothic", "YuGothic", sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
}

html[lang="ja"] {
  --language-font-adjust: 2px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font-ja);
  font-size: calc(16px + var(--language-font-adjust));
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: .02em;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

html[lang="en"] body {
  font-family: var(--font-en);
  line-height: 1.65;
  letter-spacing: 0;
}

html[lang="ja"] body {
  word-break: auto-phrase;
}

img,
picture {
  display: block;
  max-width: 100%;
}

button,
a {
  color: inherit;
  font: inherit;
}

button {
  border: 0;
}

a {
  text-decoration: none;
}

h1,
h2,
h3,
p {
  margin: 0;
}

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

.ja,
.en {
  unicode-bidi: isolate;
}

.js .ja,
.js .en {
  transition: opacity .16s var(--ease);
}

html.is-language-switching .ja,
html.is-language-switching .en {
  opacity: 0;
}

html[lang="ja"] .en,
html[lang="en"] .ja {
  display: none !important;
}

.nowrap {
  display: inline-block;
  white-space: nowrap;
}

.text-line {
  display: block;
}

.mobile-text-line {
  display: inline;
}

.narrow-text-line {
  display: inline;
}

html[lang="en"] h1,
html[lang="en"] h2,
html[lang="en"] h3 {
  text-wrap: balance;
}

html[lang="en"] .concept-title,
html[lang="en"] .reborn h2,
html[lang="en"] .scheme-head h2,
html[lang="en"] .contact h2 {
  text-wrap: wrap;
}

html[lang="en"] p,
html[lang="en"] .cta,
html[lang="en"] .question-title,
html[lang="en"] .who,
html[lang="en"] .info-cell .v {
  text-wrap: pretty;
}

.wrap {
  width: min(100%, var(--page-max));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--navy);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

/* 濃色背景でも3:1以上のフォーカスコントラストを保つ。 */
[data-dark="1"] :focus-visible,
.site-header.on-dark :focus-visible,
footer :focus-visible {
  outline-color: var(--accent-soft);
}

/* 固定CTAのリングは、背景に左右されないようボタン内側へ表示する。 */
.mobile-sticky-cta:focus-visible {
  outline-color: var(--white);
  outline-offset: -7px;
}

/* ==========================================================================
   Header and shared components
   ========================================================================== */

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-height);
  color: var(--navy);
  background: rgba(255, 255, 255, .9);
  border-bottom: 1px solid rgba(20, 40, 137, .1);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition:
    color .3s var(--ease),
    background-color .3s var(--ease),
    border-color .3s var(--ease);
}

.site-header.on-dark {
  color: var(--white);
  background: rgba(6, 13, 51, .76);
  border-color: rgba(255, 255, 255, .14);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, var(--page-max));
  height: 100%;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.logo {
  display: inline-flex;
  align-items: center;
}

.logo img {
  width: 202px;
  height: auto;
  transition: filter .3s var(--ease);
}

.site-header.on-dark .logo img {
  filter: brightness(0) invert(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.official-site-link,
.footer-official-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  font-size: calc(13px + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.4;
  transition:
    color .24s var(--ease),
    background-color .24s var(--ease),
    border-color .24s var(--ease),
    transform .18s var(--ease);
}

.official-site-link {
  padding: 0 15px;
  color: var(--navy);
  border: 1px solid rgba(20, 40, 137, .32);
}

.site-header.on-dark .official-site-link {
  color: var(--white);
  border-color: rgba(255, 255, 255, .5);
}

.nav-arrow {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .24s var(--ease);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  overflow: hidden;
  max-width: 240px;
  min-height: 44px;
  padding: 0 18px;
  color: var(--white);
  background: var(--navy);
  border: 1px solid var(--navy);
  font-size: calc(13px + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.4;
  white-space: nowrap;
  transition:
    max-width .28s var(--ease-out),
    padding-inline .28s var(--ease-out),
    margin-left .28s var(--ease-out),
    gap .24s var(--ease-out),
    border-width .16s var(--ease),
    color .24s var(--ease),
    background-color .24s var(--ease),
    border-color .24s var(--ease),
    opacity .2s var(--ease),
    visibility .2s var(--ease),
    transform .24s var(--ease-out);
}

.js .site-header .header-cta {
  gap: 0;
  max-width: 0;
  padding-inline: 0;
  margin-left: -14px;
  border-width: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px);
}

.js .site-header.has-passed-hero .header-cta {
  gap: 12px;
  max-width: 240px;
  padding-inline: 18px;
  margin-left: 0;
  border-width: 1px;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.site-header.on-dark .header-cta {
  color: var(--navy);
  background: var(--white);
  border-color: var(--white);
}

.external-icon,
.cta .arrow {
  flex: 0 0 auto;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.external-icon {
  width: 16px;
  height: 16px;
  transition: transform .24s var(--ease);
}

.lang-toggle {
  --lang-ja-width: 64px;
  --lang-en-width: 48px;

  position: relative;
  isolation: isolate;
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid currentColor;
  border-radius: 999px;
}

.js .lang-toggle::before {
  position: absolute;
  z-index: 0;
  top: 3px;
  bottom: 3px;
  left: 3px;
  width: var(--lang-ja-width);
  background: var(--navy);
  border-radius: 999px;
  content: "";
  transform: translateX(0);
  transition:
    background-color .2s var(--ease),
    transform .2s var(--ease),
    width .2s var(--ease);
}

html.js[lang="en"] .lang-toggle::before {
  width: var(--lang-en-width);
  transform: translateX(calc(var(--lang-ja-width) + 2px));
}

.js .site-header.on-dark .lang-toggle::before,
.js footer .lang-toggle::before {
  background: var(--white);
}

.lang-toggle button {
  position: relative;
  z-index: 1;
  min-width: 0;
  min-height: 44px;
  padding: 0 10px;
  color: inherit;
  background: transparent;
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: calc(11px + var(--language-font-adjust));
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: .04em;
  white-space: nowrap;
  cursor: pointer;
  transition:
    color .2s var(--ease),
    background-color .2s var(--ease),
    transform .12s var(--ease);
}

.lang-toggle button[data-lang="ja"] {
  width: var(--lang-ja-width);
}

.lang-toggle button[data-lang="en"] {
  width: var(--lang-en-width);
}

.lang-toggle button.active {
  color: var(--white);
  background: var(--navy);
}

.site-header.on-dark .lang-toggle button.active,
footer .lang-toggle button.active {
  color: var(--navy);
  background: var(--white);
}

.js .lang-toggle button.active,
.js .site-header.on-dark .lang-toggle button.active,
.js footer .lang-toggle button.active {
  background: transparent;
}

.header-cta:active,
.mobile-sticky-cta:active,
.official-site-link:active,
.footer-official-link:active,
.lang-toggle button:active {
  transform: scale(.97);
}

.js .site-header.has-passed-hero .header-cta:active {
  transform: translateY(1px) scale(.97);
}

.mobile-sticky-cta {
  display: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--navy);
  font-family: var(--font-en);
  font-size: calc(11px + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.chip::before {
  width: 28px;
  height: 1px;
  background: currentColor;
  content: "";
}

.cta {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  min-height: 68px;
  padding: 18px 26px;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
  border: 1px solid var(--navy);
  font-size: calc(17px + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: .02em;
  transition:
    color .35s var(--ease),
    border-color .35s var(--ease),
    transform .35s var(--ease),
    box-shadow .35s var(--ease);
}

.cta::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: var(--navy-deep);
  content: "";
  transform: translateX(-102%);
  transition: transform .4s var(--ease-out);
}

.cta .arrow {
  width: 24px;
  height: 24px;
  transition: transform .35s var(--ease);
}

.cta.on-dark {
  color: var(--navy);
  background: var(--white);
  border-color: var(--white);
}

.cta.on-dark::before {
  background: #e8ebf8;
}

@media (hover: hover) and (pointer: fine) {
  .official-site-link:hover {
    color: var(--white);
    background: var(--navy);
    border-color: var(--navy);
  }

  .site-header.on-dark .official-site-link:hover {
    color: var(--navy);
    background: var(--white);
    border-color: var(--white);
  }

  .footer-official-link:hover {
    color: var(--navy);
    background: var(--white);
    border-color: var(--white);
  }

  .official-site-link:hover .nav-arrow,
  .footer-official-link:hover .nav-arrow {
    transform: translateX(3px);
  }

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

  .site-header.on-dark .header-cta:hover {
    color: var(--navy);
    background: #e8ebf8;
    border-color: #e8ebf8;
  }

  .header-cta:hover .external-icon,
  .mobile-sticky-cta:hover .external-icon {
    transform: translate(3px, -3px);
  }

  .lang-toggle button:not(.active):hover {
    background: rgba(20, 40, 137, .08);
  }

  .site-header.on-dark .lang-toggle button:not(.active):hover,
  footer .lang-toggle button:not(.active):hover {
    background: rgba(255, 255, 255, .12);
  }

  .cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -24px rgba(20, 40, 137, .6);
  }

  .cta:hover::before {
    transform: translateX(0);
  }

  .cta:hover .arrow {
    transform: translate(4px, -4px);
  }
}

.cta:active {
  transform: translateY(1px) scale(.99);
  transition-duration: .1s;
}

/* ==========================================================================
   Motion
   ========================================================================== */

.js .reveal,
.js .mask-line > span {
  opacity: 0;
}

.js .reveal {
  transform: translateY(24px);
  transition:
    opacity .8s var(--ease-out),
    transform .8s var(--ease-out);
}

.js .reveal.in {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: .08s !important;
}

.reveal-delay-2 {
  transition-delay: .16s !important;
}

.reveal-delay-3 {
  transition-delay: .24s !important;
}

.mask-line {
  display: block;
  overflow: hidden;
}

.mask-line > span {
  display: block;
  transform: translateY(105%);
  transition:
    opacity 1.05s var(--ease-out),
    transform 1.05s var(--ease-out);
}

.mask-line.in > span {
  opacity: 1;
  transform: translateY(0);
}

.mask-line.d1 > span {
  transition-delay: .08s;
}

.mask-line.d2 > span {
  transition-delay: .2s;
}

/* ==========================================================================
   1. Hero
   ========================================================================== */

.hero {
  position: relative;
  isolation: isolate;
  min-height: max(720px, 100svh);
  overflow: hidden;
  color: var(--white);
  background: var(--navy-950);
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  z-index: -3;
  background: url("assets/client-equipment-hero.webp") center / cover no-repeat;
  filter: brightness(.64) contrast(1.04) saturate(.78);
  animation: heroZoom 20s var(--ease-out) both;
}

.hero-overlay {
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(6, 13, 51, .35) 0%, rgba(6, 13, 51, .2) 34%, rgba(6, 13, 51, .92) 100%),
    linear-gradient(90deg, rgba(6, 13, 51, .78) 0%, rgba(6, 13, 51, .34) 54%, rgba(6, 13, 51, .12) 100%);
}

@keyframes heroZoom {
  from { transform: scale(1.04); }
  to { transform: scale(1); }
}

.hero .wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: max(720px, 100svh);
  padding-top: calc(var(--header-height) + 80px);
  padding-bottom: 96px;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 760px;
  margin-bottom: 24px;
  font-size: calc(18px + var(--language-font-adjust));
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: .025em;
}

html[lang="en"] .hero-kicker {
  max-width: 840px;
  font-size: calc(18px + var(--language-font-adjust));
  letter-spacing: 0;
}

.hero-kicker .dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--accent-soft);
  border-radius: 50%;
}

.hero h1 {
  width: min(100%, 1020px);
  font-size: calc(var(--display-hero) + var(--language-font-adjust));
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.03em;
}

html[lang="en"] .hero h1 {
  width: min(100%, 1140px);
  font-size: calc(var(--display-hero-en) + var(--language-font-adjust));
  line-height: 1.12;
}

.hero h1 .d2 {
  margin-top: 10px;
  font-size: calc(.68em + var(--language-font-adjust));
  letter-spacing: -.015em;
}

.product-brand {
  font-family: var(--font-en);
  letter-spacing: -.035em;
}

.hero-cta-row {
  margin-top: 38px;
}

.hero .cta {
  max-width: 540px;
  font-size: calc(18px + var(--language-font-adjust));
}

.hero-scroll {
  position: absolute;
  bottom: 24px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255, 255, 255, .58);
  font-family: var(--font-en);
  font-size: calc(9px + var(--language-font-adjust));
  font-weight: 600;
  letter-spacing: .2em;
  transform: translateX(-50%) rotate(90deg);
  transform-origin: center;
}

.hero-scroll .line {
  display: block;
  width: 46px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, .2);
}

.hero-scroll .line::after {
  display: block;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, .8);
  content: "";
  animation: scrollLine 2.2s var(--ease) infinite;
}

@keyframes scrollLine {
  0% { transform: translateX(-100%); }
  55%, 100% { transform: translateX(100%); }
}

.hero-note {
  position: absolute;
  right: var(--gutter);
  bottom: 24px;
  color: rgba(255, 255, 255, .55);
  font-family: var(--font-en);
  font-size: calc(10px + var(--language-font-adjust));
  letter-spacing: .06em;
}

/* ==========================================================================
   2. Vision
   ========================================================================== */

.vision {
  position: relative;
  overflow: hidden;
  padding-block: var(--section-space);
  color: var(--white);
  background: var(--navy);
}

.vision .wrap {
  width: min(100%, 1160px);
}

.vision .chip {
  margin-bottom: 36px;
  color: rgba(255, 255, 255, .72);
}

.vision .msg {
  max-width: 980px;
  font-size: calc(var(--display-lg) + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.02em;
}

html[lang="en"] .vision .msg {
  max-width: 980px;
  line-height: 1.16;
}

.vision .msg .em {
  color: rgba(255, 255, 255, .78);
}

.vision-line {
  display: block;
}

.vision-brand-unit {
  white-space: nowrap;
}

.vision .accent-line {
  color: var(--white);
  width: fit-content;
  margin-top: .12em;
  background: linear-gradient(transparent 90%, rgba(174, 186, 255, .75) 90%);
}

.vision-question-unit {
  display: block;
  width: fit-content;
}

.vision-question {
  margin-top: .12em;
  color: var(--white);
}

.vision-question-accent {
  width: fit-content;
  background: linear-gradient(transparent 90%, rgba(174, 186, 255, .75) 90%);
}

/* ==========================================================================
   3. Troubles
   ========================================================================== */

.troubles {
  padding-block: var(--section-space);
  background: var(--white);
}

.troubles-head {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 60px;
}

.troubles-head h2 {
  font-size: calc(var(--display-lg) + var(--language-font-adjust));
  font-weight: 700;
  line-height: var(--leading-display);
  letter-spacing: -.02em;
}

.troubles-head p {
  max-width: 380px;
  color: var(--sub);
  font-size: calc(var(--body-md) + var(--language-font-adjust));
  line-height: var(--leading-body);
}

.troubles-grid {
  border-top: 1px solid var(--ink);
}

.trouble {
  position: relative;
  display: grid;
  grid-template-columns: 76px minmax(0, 1.45fr) minmax(240px, .55fr) 28px;
  gap: 24px;
  align-items: center;
  width: 100%;
  padding: 28px 16px 28px 0;
  color: var(--ink);
  text-align: left;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition:
    color .28s var(--ease),
    background-color .28s var(--ease),
    transform .12s var(--ease);
}

.trouble::after {
  justify-self: end;
  color: var(--navy);
  font-family: var(--font-en);
  font-size: calc(21px + var(--language-font-adjust));
  content: "→";
  transition: transform .28s var(--ease);
}

.trouble:focus-visible,
.trouble:active {
  color: var(--navy);
  background: var(--off);
}

.trouble:active {
  transform: scale(.997);
}

@media (hover: hover) and (pointer: fine) {
  .trouble:hover {
    color: var(--navy);
    background: var(--off);
  }

  .trouble:hover::after {
    transform: translateX(4px);
  }
}

.trouble .num {
  color: var(--navy);
  font-family: var(--font-en);
  font-size: calc(13px + var(--language-font-adjust));
  font-weight: 700;
  letter-spacing: .15em;
}

.trouble .question-title {
  font-size: calc(20px + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .01em;
}

.trouble .who {
  color: var(--sub);
  font-size: calc(15px + var(--language-font-adjust));
  line-height: 1.7;
}

html[lang="en"] .trouble .question-title {
  font-size: calc(21px + var(--language-font-adjust));
  line-height: 1.45;
}

html[lang="en"] .trouble .who {
  font-size: calc(15px + var(--language-font-adjust));
}

/* ==========================================================================
   4. Concept
   ========================================================================== */

.concept {
  padding-block: var(--section-space);
  background: var(--off);
}

.concept-head {
  width: min(100%, var(--page-narrow));
  margin-inline: auto;
}

.concept-head .chip {
  margin-bottom: 30px;
}

.concept-title {
  font-size: calc(var(--display-xl) + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.025em;
}

html[lang="en"] .concept-title {
  max-width: 980px;
  line-height: 1.08;
}

.concept-title .em {
  color: var(--navy);
}

.concept-lead {
  max-width: 800px;
  margin-top: 36px;
  color: #4f566c;
  font-size: calc(var(--body-lg) + var(--language-font-adjust));
  line-height: var(--leading-body);
}

html[lang="en"] .concept-lead {
  font-size: calc(18px + var(--language-font-adjust));
  line-height: 1.75;
}

.concept-lead strong {
  color: var(--ink);
  font-weight: 700;
}

.concept-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px minmax(0, 1fr);
  align-items: stretch;
  width: min(100%, var(--page-narrow));
  min-height: 400px;
  margin: 64px auto 0;
  background: var(--white);
  border: 1px solid var(--line);
}

.js .concept-stage.motion-sequence .concept-side:first-child > .label,
.js .concept-stage.motion-sequence .concept-side:first-child > .heading,
.js .concept-stage.motion-sequence .buckets,
.js .concept-stage.motion-sequence .concept-side.right > .label,
.js .concept-stage.motion-sequence .concept-side.right > .heading,
.js .concept-stage.motion-sequence .opf-vis,
.js .concept-stage.motion-sequence .opf-caption {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity .45s var(--ease-out),
    transform .45s var(--ease-out);
}

.js .concept-stage.motion-sequence .transform-arrow .stream {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .55s var(--ease-out);
}

.js .concept-stage.motion-sequence.in .concept-side:first-child > .label,
.js .concept-stage.motion-sequence.in .concept-side:first-child > .heading,
.js .concept-stage.motion-sequence.in .buckets,
.js .concept-stage.motion-sequence.in .concept-side.right > .label,
.js .concept-stage.motion-sequence.in .concept-side.right > .heading,
.js .concept-stage.motion-sequence.in .opf-vis,
.js .concept-stage.motion-sequence.in .opf-caption {
  opacity: 1;
  transform: translateY(0);
}

.js .concept-stage.motion-sequence.in .concept-side:first-child > .label {
  transition-delay: .05s;
}

.js .concept-stage.motion-sequence.in .concept-side:first-child > .heading {
  transition-delay: .12s;
}

.js .concept-stage.motion-sequence.in .buckets {
  transition-delay: .2s;
}

.js .concept-stage.motion-sequence.in .transform-arrow .stream {
  transform: scaleX(1);
  transition-delay: .32s;
}

.js .concept-stage.motion-sequence.in .concept-side.right > .label {
  transition-delay: .44s;
}

.js .concept-stage.motion-sequence.in .concept-side.right > .heading {
  transition-delay: .5s;
}

.js .concept-stage.motion-sequence.in .opf-vis {
  transition-delay: .58s;
}

.js .concept-stage.motion-sequence.in .opf-caption {
  transition-delay: .66s;
}

.concept-side {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 44px;
}

.concept-side.right {
  align-items: center;
  text-align: center;
}

.concept-side .label {
  color: var(--sub);
  font-family: var(--font-en);
  font-size: calc(12px + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.concept-side .heading {
  margin-top: 10px;
  font-size: calc(22px + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.45;
}

.buckets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 40px;
}

.bucket {
  display: flex;
  align-items: center;
  min-height: 58px;
  padding: 14px 16px;
  color: var(--sub);
  border: 1px solid var(--line);
  font-size: calc(15px + var(--language-font-adjust));
  font-weight: 600;
}

.transform-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border-inline: 1px solid var(--line);
}

.transform-arrow .stream {
  position: relative;
  width: 74px;
  height: 1px;
  background: var(--navy);
}

.transform-arrow .stream::after {
  position: absolute;
  top: -4px;
  right: 0;
  width: 8px;
  height: 8px;
  border-top: 1px solid var(--navy);
  border-right: 1px solid var(--navy);
  content: "";
  transform: rotate(45deg);
}

.transform-arrow .label {
  color: var(--navy);
  font-family: var(--font-en);
  font-size: calc(10px + var(--language-font-adjust));
  font-weight: 700;
  letter-spacing: .14em;
}

.opf-vis {
  display: grid;
  place-items: center;
  width: 184px;
  height: 184px;
  margin-top: 32px;
  border: 1px solid var(--navy);
  border-radius: 50%;
}

.opf-core {
  display: grid;
  place-items: center;
  width: 132px;
  height: 132px;
  color: var(--white);
  background: var(--navy);
  border-radius: 50%;
  font-family: var(--font-en);
  font-size: calc(38px + var(--language-font-adjust));
  font-weight: 700;
  letter-spacing: -.025em;
}

.opf-caption {
  margin-top: 24px;
  color: var(--navy);
  font-size: calc(14px + var(--language-font-adjust));
  line-height: 1.65;
}

.caption-local {
  display: block;
  margin-top: 2px;
  color: var(--sub);
}

/* ==========================================================================
   5. REBORN
   ========================================================================== */

.reborn {
  padding-block: var(--section-space);
  color: var(--white);
  background: var(--navy-950);
}

.reborn-layout {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: clamp(48px, 6vw, 80px);
  align-items: center;
}

.reborn-copy .chip {
  margin-bottom: 30px;
}

.reborn h2 {
  max-width: 620px;
  font-size: calc(var(--display-md) + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.02em;
}

html[lang="en"] .reborn h2 {
  font-size: calc(clamp(34px, 3.6vw, 47px) + var(--language-font-adjust));
  line-height: 1.12;
}

.reborn h2 em {
  color: var(--accent-soft);
  font-style: normal;
}

.reborn-heading-line {
  display: block;
  white-space: nowrap;
}

.reborn .lead {
  max-width: 620px;
  margin-top: 30px;
  color: rgba(255, 255, 255, .74);
  font-size: calc(var(--body-md) + var(--language-font-adjust));
  line-height: var(--leading-body);
}

html[lang="en"] .reborn .lead {
  font-size: calc(17px + var(--language-font-adjust));
  line-height: 1.75;
}

.reborn-visual {
  min-width: 0;
}

.reborn-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .18);
}

.js .reborn-visual.motion-sequence .reborn-media {
  opacity: 0;
  clip-path: inset(0 100% 0 0);
  transform: translateY(14px);
  transition:
    opacity .7s var(--ease-out),
    clip-path .8s var(--ease-out),
    transform .8s var(--ease-out);
}

.js .reborn-visual.motion-sequence.in .reborn-media {
  opacity: 1;
  clip-path: inset(0);
  transform: translateY(0);
}

.reborn-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.reborn-note {
  margin-top: 10px;
  color: rgba(255, 255, 255, .48);
  font-family: var(--font-en);
  font-size: calc(10px + var(--language-font-adjust));
  text-align: right;
  letter-spacing: .06em;
}

/* ==========================================================================
   6. Scheme
   ========================================================================== */

.scheme {
  padding-block: var(--section-space);
  background: var(--white);
}

.scheme-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: 64px;
  align-items: end;
}

.scheme-head h2 {
  font-size: calc(var(--display-lg) + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.02em;
}

html[lang="en"] .scheme-head h2 {
  font-size: calc(clamp(36px, 4.15vw, 54px) + var(--language-font-adjust));
}

.scheme-head .side {
  max-width: 420px;
  color: var(--sub);
  font-size: calc(var(--body-md) + var(--language-font-adjust));
  line-height: var(--leading-body);
}

.scheme-head .side .chip {
  display: flex;
  margin-bottom: 20px;
}

.scheme-visual {
  position: relative;
  aspect-ratio: 16 / 7;
  margin-top: 64px;
  overflow: hidden;
  background: var(--navy-950);
}

.scheme-visual::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(180deg, transparent 62%, rgba(6, 13, 51, .5));
}

.scheme-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 52%;
  transition: transform .8s var(--ease-out);
}

.scheme-visual.in img {
  transform: scale(1.015);
}

.scheme-visual figcaption {
  position: absolute;
  z-index: 1;
  right: 24px;
  bottom: 20px;
  color: rgba(255, 255, 255, .84);
  font-family: var(--font-en);
  font-size: calc(10px + var(--language-font-adjust));
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.scheme-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 48px;
  border-block: 1px solid var(--line);
}

.scheme-card {
  min-height: 220px;
  padding: 38px 32px;
}

.scheme-card + .scheme-card {
  border-left: 1px solid var(--line);
}

.scheme-card .num {
  color: var(--navy);
  font-family: var(--font-en);
  font-size: calc(12px + var(--language-font-adjust));
  font-weight: 700;
  letter-spacing: .1em;
}

.scheme-card h3 {
  max-width: 300px;
  margin-top: 34px;
  font-size: calc(20px + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .01em;
}

.scheme-note {
  max-width: 800px;
  margin-top: 32px;
  color: var(--sub);
  font-size: calc(var(--body-md) + var(--language-font-adjust));
  line-height: var(--leading-body);
}

/* ==========================================================================
   7. Partner recruitment
   ========================================================================== */

.partner {
  padding-block: clamp(96px, 8vw, 124px);
  color: var(--white);
  background: var(--navy);
}

.partner > .wrap {
  width: min(100%, 1180px);
}

.partner > .wrap > .chip {
  color: rgba(255, 255, 255, .72);
}

.partner > .wrap > h2 {
  max-width: 980px;
  margin-top: 26px;
  font-size: calc(var(--display-xl) + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -.025em;
}

html[lang="en"] .partner > .wrap > h2 {
  max-width: 1080px;
  font-size: calc(clamp(40px, 4.6vw, 64px) + var(--language-font-adjust));
  line-height: 1.1;
}

.partner-lead {
  max-width: 820px;
  margin-top: 26px;
  color: rgba(255, 255, 255, .82);
  font-size: calc(var(--body-lg) + var(--language-font-adjust));
  line-height: var(--leading-body);
}

.partner-lead strong {
  color: var(--white);
  font-weight: 700;
}

.partner-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 48px;
  border-block: 1px solid var(--line-dark);
}

.partner-card {
  padding: 34px 40px 38px 0;
}

.partner-card + .partner-card {
  padding-right: 0;
  padding-left: 40px;
  border-left: 1px solid var(--line-dark);
}

.partner-card .tag {
  color: rgba(255, 255, 255, .56);
  font-family: var(--font-en);
  font-size: calc(10px + var(--language-font-adjust));
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.partner-card h3 {
  margin-top: 18px;
  font-size: calc(28px + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.5;
}

.partner-card .question {
  margin-top: 22px;
  padding-top: 20px;
  color: rgba(255, 255, 255, .72);
  border-top: 1px solid var(--line-dark);
  font-size: calc(17px + var(--language-font-adjust));
  line-height: var(--leading-body);
}

.returns {
  margin-top: 48px;
  padding: 34px;
  border: 1px solid var(--line-dark);
}

.returns h3,
.why-now > h3 {
  font-size: calc(17px + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .03em;
}

.returns-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 56px;
  margin-top: 24px;
}

.returns-list li {
  position: relative;
  padding-left: 26px;
  color: rgba(255, 255, 255, .82);
  font-size: calc(var(--body-md) + var(--language-font-adjust));
  line-height: 1.75;
}

.returns-list li::before,
.contact-body li::before {
  position: absolute;
  top: .85em;
  left: 0;
  width: 12px;
  height: 1px;
  background: var(--accent-soft);
  content: "";
}

.returns-emphasis {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line-dark);
  font-size: calc(18px + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.75;
}

.returns-emphasis .accent {
  color: var(--accent-soft);
}

.why-now {
  margin-top: 48px;
}

.why-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
  border-block: 1px solid var(--line-dark);
}

.why-item {
  min-height: 190px;
  padding: 30px;
}

.why-item + .why-item {
  border-left: 1px solid var(--line-dark);
}

.why-item .n {
  color: var(--accent-soft);
  font-family: var(--font-en);
  font-size: calc(13px + var(--language-font-adjust));
  font-weight: 700;
  letter-spacing: .12em;
}

.why-item p {
  margin-top: 22px;
  font-size: calc(17px + var(--language-font-adjust));
  font-weight: 600;
  line-height: 1.8;
}

.why-item .foot {
  margin-top: 18px;
  padding-top: 15px;
  color: rgba(255, 255, 255, .55);
  border-top: 1px solid var(--line-dark);
  font-size: calc(13px + var(--language-font-adjust));
  line-height: 1.7;
}

.info-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
  border: 1px solid var(--line-dark);
}

.info-cell {
  min-width: 0;
  padding: 26px 30px;
}

.info-cell + .info-cell {
  border-left: 1px solid var(--line-dark);
}

.info-cell .k {
  color: var(--accent-soft);
  font-size: calc(13px + var(--language-font-adjust));
  font-weight: 700;
  letter-spacing: .08em;
}

.info-cell .v {
  margin-top: 14px;
  color: rgba(255, 255, 255, .78);
  font-size: calc(16px + var(--language-font-adjust));
  line-height: 1.8;
}

.partner-cta {
  margin-top: 38px;
  text-align: center;
}

.partner .cta {
  width: min(100%, 680px);
  font-size: calc(18px + var(--language-font-adjust));
  text-align: left;
}

/* ==========================================================================
   8. Schedule
   ========================================================================== */

.schedule {
  padding-block: var(--section-space);
  background: var(--white);
}

.schedule-head {
  text-align: center;
}

.schedule-head .chip {
  justify-content: center;
}

.schedule-head h2 {
  margin-top: 26px;
  font-size: calc(var(--display-lg) + var(--language-font-adjust));
  font-weight: 700;
  line-height: var(--leading-display);
  letter-spacing: -.02em;
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(100%, var(--page-narrow));
  margin: 68px auto 0;
}

.timeline::before {
  position: absolute;
  top: 8px;
  left: 16.666%;
  width: 66.668%;
  height: 1px;
  background: var(--line);
  content: "";
}

.js .timeline.motion-sequence::before {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .75s var(--ease-out);
}

.js .timeline.motion-sequence .tl-item {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity .45s var(--ease-out),
    transform .45s var(--ease-out);
}

.js .timeline.motion-sequence.in::before {
  transform: scaleX(1);
}

.js .timeline.motion-sequence.in .tl-item {
  opacity: 1;
  transform: translateY(0);
}

.js .timeline.motion-sequence.in .tl-item:nth-child(1) {
  transition-delay: .1s;
}

.js .timeline.motion-sequence.in .tl-item:nth-child(2) {
  transition-delay: .28s;
}

.js .timeline.motion-sequence.in .tl-item:nth-child(3) {
  transition-delay: .46s;
}

.tl-item {
  position: relative;
  padding: 42px 34px 0;
  text-align: center;
}

.tl-item .dot {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 50%;
  width: 17px;
  height: 17px;
  background: var(--white);
  border: 2px solid var(--navy);
  border-radius: 50%;
  transform: translateX(-50%);
}

.tl-item.now .dot {
  background: var(--navy);
  box-shadow: 0 0 0 5px rgba(20, 40, 137, .1);
}

.tl-item .when {
  color: var(--navy);
  font-size: calc(17px + var(--language-font-adjust));
  font-weight: 700;
}

.tl-item .what {
  margin-top: 14px;
  font-size: calc(26px + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -.015em;
}

/* ==========================================================================
   9. Contact
   ========================================================================== */

.contact {
  padding-block: var(--section-space);
  color: var(--white);
  background: var(--navy-950);
}

.contact .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr);
  gap: 42px 72px;
  align-items: start;
  width: min(100%, 1120px);
}

.contact .chip {
  grid-column: 1 / -1;
  color: rgba(255, 255, 255, .7);
}

.contact h2 {
  grid-column: 1;
  max-width: 650px;
  font-size: calc(var(--display-md) + var(--language-font-adjust));
  font-weight: 700;
  line-height: 1.38;
  letter-spacing: -.018em;
}

html[lang="en"] .contact h2 {
  font-size: calc(clamp(38px, 3.45vw, 44px) + var(--language-font-adjust));
  line-height: 1.16;
}

.contact-body {
  grid-column: 2;
  grid-row: 2 / span 2;
  padding: 30px 0 0 38px;
  border-left: 1px solid var(--line-dark);
}

.contact-body p {
  color: rgba(255, 255, 255, .78);
  font-size: calc(var(--body-md) + var(--language-font-adjust));
  line-height: var(--leading-body);
}

.contact-body ul {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.contact-body li {
  position: relative;
  padding-left: 24px;
  color: rgba(255, 255, 255, .7);
  font-size: calc(15px + var(--language-font-adjust));
  line-height: 1.75;
}

.contact .cta {
  grid-column: 1;
  width: min(100%, 380px);
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
  padding: 72px var(--gutter) 28px;
  color: var(--white);
  background: #040822;
}

footer .wrap {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 48px;
  align-items: center;
  padding-inline: 0;
}

footer .logo-wrap {
  display: inline-flex;
  padding: 18px 22px;
  background: var(--white);
  transition: transform .2s var(--ease);
}

footer .logo-wrap img {
  width: 190px;
  height: auto;
}

.company-info {
  color: rgba(255, 255, 255, .66);
  font-size: calc(13px + var(--language-font-adjust));
  line-height: 1.75;
}

.company-name {
  margin-bottom: 8px;
  color: var(--white);
  font-size: calc(15px + var(--language-font-adjust));
  font-weight: 700;
}

.footer-official-link {
  width: fit-content;
  margin-top: 20px;
  padding: 0 16px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, .42);
}

footer .lang-toggle {
  color: rgba(255, 255, 255, .82);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  width: min(100%, var(--page-max));
  margin: 52px auto 0;
  padding-top: 22px;
  color: rgba(255, 255, 255, .62);
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-family: var(--font-en);
  font-size: calc(10px + var(--language-font-adjust));
  letter-spacing: .04em;
}

/* ==========================================================================
   Tablet
   ========================================================================== */

@media (max-width: 1020px) {
  .troubles-head,
  .scheme-head,
  .reborn-layout {
    gap: 48px;
  }

  .trouble {
    grid-template-columns: 58px minmax(0, 1.3fr) minmax(200px, .7fr) 24px;
  }

  .concept-stage {
    grid-template-columns: minmax(0, 1fr) 110px minmax(0, 1fr);
  }

  .concept-side {
    padding: 40px 30px;
  }

  .contact .wrap {
    gap: 44px 52px;
  }
}

/* ==========================================================================
   Mobile
   ========================================================================== */

@media (max-width: 900px) {
  :root {
    --header-height: 60px;
    --gutter: 22px;
    --section-space: 88px;
  }

  body {
    font-size: calc(15px + var(--language-font-adjust));
    line-height: 1.85;
  }

  .logo img {
    width: 166px;
  }

  .header-actions {
    gap: 8px;
  }

  .header-cta {
    display: none;
  }

  .official-site-link {
    display: none;
  }

  .lang-toggle button {
    min-height: 44px;
    padding: 0 8px;
    font-size: calc(10px + var(--language-font-adjust));
  }

  .lang-toggle {
    --lang-ja-width: 58px;
    --lang-en-width: 44px;
  }

  .mobile-sticky-cta {
    position: fixed;
    z-index: 90;
    right: 14px;
    bottom: max(12px, env(safe-area-inset-bottom));
    left: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    min-height: 58px;
    padding: 14px 18px;
    color: var(--white);
    background: var(--navy);
    border: 1px solid rgba(255, 255, 255, .22);
    box-shadow: 0 18px 44px -18px rgba(4, 8, 34, .64);
    font-size: calc(15px + var(--language-font-adjust));
    font-weight: 700;
    line-height: 1.5;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(calc(100% + 24px));
    transition:
      opacity .24s var(--ease),
      visibility .24s var(--ease),
      transform .32s var(--ease-out);
  }

  .mobile-sticky-cta.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .chip {
    gap: 11px;
    font-size: calc(11px + var(--language-font-adjust));
  }

  .chip::before {
    width: 22px;
  }

  .cta {
    width: 100%;
    min-height: 66px;
    gap: 18px;
    padding: 17px 20px;
    font-size: calc(16px + var(--language-font-adjust));
  }

  .hero,
  .hero .wrap {
    min-height: max(680px, 100svh);
  }

  .hero-bg {
    background-position: 58% center;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(6, 13, 51, .4) 0%, rgba(6, 13, 51, .28) 30%, rgba(6, 13, 51, .94) 100%),
      linear-gradient(90deg, rgba(6, 13, 51, .66), rgba(6, 13, 51, .12));
  }

  .hero .wrap {
    padding-top: calc(var(--header-height) + 72px);
    padding-bottom: 88px;
  }

  .hero-kicker {
    align-items: flex-start;
    max-width: 520px;
    margin-bottom: 22px;
    font-size: calc(15px + var(--language-font-adjust));
    line-height: 1.7;
  }

  html[lang="en"] .hero-kicker {
    font-size: calc(14px + var(--language-font-adjust));
    line-height: 1.55;
  }

  .hero-kicker .dot {
    margin-top: .55em;
  }

  .hero h1,
  html[lang="en"] .hero h1 {
    font-size: calc(clamp(32px, 9.5vw, 46px) + var(--language-font-adjust));
    line-height: 1.18;
  }

  html[lang="en"] .hero h1 {
    font-size: calc(clamp(30px, 8.5vw, 42px) + var(--language-font-adjust));
    line-height: 1.08;
  }

  .hero h1 .d2 {
    margin-top: 12px;
    font-size: calc(.66em + var(--language-font-adjust));
    line-height: 1.35;
  }

  .hero-cta-row {
    margin-top: 30px;
  }

  .hero .cta {
    max-width: 520px;
    font-size: calc(16px + var(--language-font-adjust));
  }

  .hero-scroll {
    display: none;
  }

  .hero-note {
    right: var(--gutter);
    bottom: 18px;
    font-size: calc(9px + var(--language-font-adjust));
  }

  .vision .chip {
    margin-bottom: 28px;
  }

  .vision .msg {
    font-size: calc(clamp(30px, 8vw, 44px) + var(--language-font-adjust));
    line-height: 1.4;
    letter-spacing: -.018em;
  }

  html[lang="en"] .vision .msg {
    line-height: 1.18;
  }

  .troubles-head,
  .scheme-head {
    grid-template-columns: 1fr;
    gap: 34px;
    margin-bottom: 44px;
  }

  .troubles-head h2,
  .scheme-head h2,
  .schedule-head h2 {
    font-size: calc(clamp(32px, 8.5vw, 46px) + var(--language-font-adjust));
  }

  .troubles-head p {
    max-width: 580px;
  }

  .trouble {
    grid-template-columns: 42px minmax(0, 1fr) 22px;
    gap: 14px;
    padding: 25px 6px 25px 0;
  }

  .trouble .question-title {
    font-size: calc(18px + var(--language-font-adjust));
    line-height: 1.55;
  }

  html[lang="en"] .trouble .question-title {
    font-size: calc(17px + var(--language-font-adjust));
  }

  .trouble .who {
    grid-column: 2;
    color: var(--sub);
    font-size: calc(14px + var(--language-font-adjust));
  }

  .trouble::after {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .concept-title {
    font-size: calc(clamp(36px, 10vw, 52px) + var(--language-font-adjust));
    line-height: 1.22;
  }

  html[lang="en"] .concept-title {
    font-size: calc(clamp(33px, 8.8vw, 46px) + var(--language-font-adjust));
    line-height: 1.08;
  }

  .concept-lead {
    margin-top: 28px;
    font-size: calc(17px + var(--language-font-adjust));
    line-height: 1.9;
  }

  html[lang="en"] .concept-lead {
    font-size: calc(17px + var(--language-font-adjust));
    line-height: 1.7;
  }

  .concept-stage {
    grid-template-columns: 1fr;
    min-height: 0;
    margin-top: 48px;
  }

  .concept-side {
    padding: 38px 28px;
  }

  .concept-side.right {
    padding-top: 44px;
  }

  .buckets {
    margin-top: 32px;
  }

  .transform-arrow {
    min-height: 92px;
    border: 0;
    border-block: 1px solid var(--line);
  }

  .transform-arrow .stream {
    width: 1px;
    height: 34px;
  }

  .js .concept-stage.motion-sequence .transform-arrow .stream {
    transform: scaleY(0);
    transform-origin: top;
  }

  .js .concept-stage.motion-sequence.in .transform-arrow .stream {
    transform: scaleY(1);
  }

  .transform-arrow .stream::after {
    top: auto;
    right: -3px;
    bottom: 0;
    transform: rotate(135deg);
  }

  .reborn-layout {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .reborn h2 {
    font-size: calc(clamp(30px, 9.5vw, 44px) + var(--language-font-adjust));
  }

  html[lang="en"] .reborn h2 {
    font-size: calc(clamp(32px, 8.5vw, 42px) + var(--language-font-adjust));
  }

  .reborn .lead {
    font-size: calc(16px + var(--language-font-adjust));
    line-height: 1.95;
  }

  .scheme-head {
    margin-bottom: 0;
  }

  .scheme-visual {
    aspect-ratio: 4 / 3;
    margin-top: 44px;
  }

  .scheme-visual img {
    object-position: 57% center;
  }

  .scheme-visual figcaption {
    right: 16px;
    bottom: 14px;
    font-size: calc(9px + var(--language-font-adjust));
  }

  html[lang="en"] .scheme-head h2 {
    font-size: calc(clamp(29px, 7.8vw, 42px) + var(--language-font-adjust));
  }

  .scheme-grid {
    grid-template-columns: 1fr;
    margin-top: 48px;
  }

  .scheme-card {
    min-height: 0;
    padding: 34px 0 38px;
  }

  .scheme-card + .scheme-card {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .scheme-card h3 {
    margin-top: 24px;
    font-size: calc(20px + var(--language-font-adjust));
  }

  .partner > .wrap > h2 {
    font-size: calc(clamp(36px, 9.8vw, 50px) + var(--language-font-adjust));
    line-height: 1.3;
  }

  .partner {
    padding-block: 76px;
  }

  html[lang="en"] .partner > .wrap > h2 {
    font-size: calc(clamp(31px, 8vw, 38px) + var(--language-font-adjust));
    line-height: 1.08;
  }

  .partner-lead {
    font-size: calc(17px + var(--language-font-adjust));
    line-height: 1.9;
  }

  .partner-cards,
  .why-list,
  .info-strip {
    grid-template-columns: 1fr;
  }

  .partner-card,
  .partner-card + .partner-card {
    padding: 32px 0 36px;
    border-left: 0;
  }

  .partner-card + .partner-card {
    border-top: 1px solid var(--line-dark);
  }

  .partner-card h3 {
    font-size: calc(25px + var(--language-font-adjust));
  }

  .partner-card .question {
    margin-top: 26px;
    padding-top: 22px;
    font-size: calc(16px + var(--language-font-adjust));
  }

  .returns {
    margin-top: 40px;
    padding: 28px 22px;
  }

  .returns-list {
    grid-template-columns: 1fr;
    gap: 15px;
    margin-top: 28px;
  }

  .returns-emphasis {
    font-size: calc(17px + var(--language-font-adjust));
  }

  .why-now {
    margin-top: 40px;
  }

  .why-item {
    min-height: 0;
    padding: 30px 0;
  }

  .why-item + .why-item {
    border-top: 1px solid var(--line-dark);
    border-left: 0;
  }

  .why-item p {
    margin-top: 20px;
    font-size: calc(17px + var(--language-font-adjust));
  }

  .info-cell {
    padding: 28px 24px;
  }

  .info-cell + .info-cell {
    border-top: 1px solid var(--line-dark);
    border-left: 0;
  }

  .partner .cta {
    font-size: calc(16px + var(--language-font-adjust));
  }

  .timeline {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 48px;
  }

  .timeline::before {
    display: none;
  }

  .tl-item,
  .tl-item.now {
    display: grid;
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 16px;
    align-items: center;
    min-width: 0;
    padding: 25px 22px;
    text-align: left;
    border: 1px solid var(--line);
  }

  .tl-item.now {
    color: var(--white);
    background: var(--navy);
    border-color: var(--navy);
  }

  .tl-item .dot {
    display: none;
  }

  .tl-item .when {
    font-size: calc(14px + var(--language-font-adjust));
  }

  .tl-item.now .when {
    color: var(--accent-soft);
  }

  .tl-item .what {
    margin-top: 0;
    min-width: 0;
    font-size: calc(20px + var(--language-font-adjust));
  }

  .contact .wrap {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .contact .chip,
  .contact h2,
  .contact-body,
  .contact .cta {
    grid-column: 1;
    grid-row: auto;
    min-width: 0;
  }

  .contact h2 {
    font-size: calc(clamp(32px, 8.8vw, 46px) + var(--language-font-adjust));
    line-height: 1.38;
  }

  html[lang="en"] .contact h2 {
    font-size: calc(clamp(29px, 7.6vw, 38px) + var(--language-font-adjust));
    line-height: 1.14;
  }

  .contact-body {
    padding: 30px 0 0;
    border-top: 1px solid var(--line-dark);
    border-left: 0;
  }

  footer {
    padding-top: 56px;
  }

  footer .wrap {
    grid-template-columns: 1fr;
    gap: 30px;
    justify-items: start;
  }

  footer .logo-wrap img {
    width: 170px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    margin-top: 38px;
  }
}

@media (max-width: 420px) {
  .mobile-text-line {
    display: block;
  }

  .vision-brand-unit {
    white-space: normal;
  }

  .vision-brand-unit .product-brand {
    display: block;
    white-space: nowrap;
  }

  .hero h1,
  html[lang="en"] .hero h1 {
    font-size: calc(32px + var(--language-font-adjust));
  }

  .hero h1 .d2 {
    font-size: calc(21px + var(--language-font-adjust));
  }

  .vision .msg {
    font-size: calc(30px + var(--language-font-adjust));
  }

  html[lang="en"] .vision .msg {
    font-size: calc(29px + var(--language-font-adjust));
  }

  .troubles-head h2,
  .scheme-head h2,
  .schedule-head h2 {
    font-size: calc(32px + var(--language-font-adjust));
  }

  .concept-title {
    font-size: calc(36px + var(--language-font-adjust));
  }

  html[lang="en"] .concept-title {
    font-size: calc(33px + var(--language-font-adjust));
  }

  .scheme-head h2 {
    font-size: calc(28px + var(--language-font-adjust));
  }

  html[lang="en"] .scheme-head h2 {
    font-size: calc(29px + var(--language-font-adjust));
  }

  html[lang="en"] .reborn h2 {
    font-size: calc(32px + var(--language-font-adjust));
  }

  .partner > .wrap > h2 {
    font-size: calc(36px + var(--language-font-adjust));
  }

  html[lang="en"] .partner > .wrap > h2 {
    font-size: calc(31px + var(--language-font-adjust));
  }

  .contact h2 {
    font-size: calc(31px + var(--language-font-adjust));
  }

  html[lang="en"] .contact h2 {
    font-size: calc(28px + var(--language-font-adjust));
  }

  .tl-item {
    grid-template-columns: 90px minmax(0, 1fr);
    padding-inline: 18px;
  }
}

@media (max-width: 360px) {
  :root {
    --gutter: 14px;
  }

  .logo img {
    width: 148px;
  }

  .header-actions {
    gap: 6px;
  }

  .hero-kicker {
    font-size: calc(14px + var(--language-font-adjust));
  }

  .hero h1 .product-brand {
    display: inline-block;
    white-space: nowrap;
  }

  .hero h1,
  html[lang="en"] .hero h1 {
    font-size: calc(28px + var(--language-font-adjust));
  }

  .contact h2 {
    font-size: calc(26px + var(--language-font-adjust));
    line-height: 1.45;
  }

  html[lang="en"] .contact h2 {
    font-size: calc(22px + var(--language-font-adjust));
  }

  .vision .msg {
    font-size: calc(28px + var(--language-font-adjust));
  }

  .vision-question-accent {
    letter-spacing: -.03em;
  }

  html[lang="en"] .vision .msg {
    font-size: calc(27px + var(--language-font-adjust));
  }

  .concept-title {
    font-size: calc(32px + var(--language-font-adjust));
  }

  html[lang="en"] .concept-title {
    font-size: calc(25px + var(--language-font-adjust));
  }

  html[lang="en"] .reborn h2 {
    font-size: calc(26px + var(--language-font-adjust));
  }

  .narrow-text-line {
    display: block;
  }

  .partner > .wrap > h2 {
    font-size: calc(30px + var(--language-font-adjust));
  }

  html[lang="en"] .partner > .wrap > h2 {
    font-size: calc(24px + var(--language-font-adjust));
  }

  .reborn h2 {
    font-size: calc(29px + var(--language-font-adjust));
  }

  .tl-item,
  .tl-item.now {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 12px;
    padding-inline: 16px;
  }

  .tl-item .what {
    font-size: calc(18px + var(--language-font-adjust));
  }
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }

  .js .reveal,
  .js .mask-line > span {
    opacity: 1;
    transform: none;
  }

  .js .concept-stage.motion-sequence *,
  .js .timeline.motion-sequence .tl-item,
  .js .reborn-visual.motion-sequence .reborn-media {
    opacity: 1;
    clip-path: none;
    transform: none;
  }

  .js .timeline.motion-sequence::before {
    transform: none;
  }
}