/* =================================================================
   一般社団法人LIFT — styles.css
   White × Bright Blue / Corporate site for church operations support
   ================================================================= */
/* ---------- Tokens ---------- */ :root {
  --bg: #ffffff;
  --bg-soft: #f4f7fc;
  --bg-pale: #e8f0ff;
  --text: #0e1f3d;
  --text-soft: #3a4865;
  --text-muted: #7a89a8;
  --line: rgba(14, 31, 61, 0.14);
  --line-soft: rgba(14, 31, 61, 0.08);
  --line-faint: rgba(14, 31, 61, 0.04);
  --primary: #14306f;
  --primary-deep: #0a1f4d;
  --dark: #0e1f3d;
  --frame-max: 1180px;
  --frame-pad: clamp(20px, 5vw, 56px);
  --section-y: clamp(96px, 11vw, 144px);
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --font-ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-en: "Lexend", "Helvetica Neue", Arial, sans-serif;
}
/* ---------- Reset ---------- */
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-ja);
  font-weight: 400;
  font-size: 18px;
  line-height: 2;
  letter-spacing: 0.04em;
  color: var(--text-soft);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease, opacity .25s ease;
}
a:hover {
  color: var(--primary);
}
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 2px;
}
::selection {
  background: var(--bg-pale);
  color: var(--text);
}
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 200;
  background: var(--primary);
  color: #fff;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.skip-link:focus {
  top: 12px;
}
.hide-on-mobile {
  display: inline;
}
.frame {
  width: 100%;
  max-width: var(--frame-max);
  margin: 0 auto;
  padding-left: var(--frame-pad);
  padding-right: var(--frame-pad);
}
/* ---------- Section ---------- */
.section {
  position: relative;
  padding: var(--section-y) 0;
}
.section--soft {
  background: url('assets/section-bg.jpg') repeat center / 278px auto, var(--bg-soft);
}
/* ---------- Section markers ---------- */
.section-marker {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(20px, 2.4vw, 28px);
}
.section-marker__line {
  width: 32px;
  height: 1px;
  background: #2a6da6;
}
.section-marker__label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: #2a6da6;
}
/* ---------- Display title ---------- */
.display-title {
  margin: 0 0 clamp(20px, 2.4vw, 28px);
  font-weight: 800;
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: #14306f;
}
.display-title__line {
  display: block;
}
.display-title em {
  font-style: normal;
  background: linear-gradient(transparent 65%, rgba(228, 192, 104, 0.4) 65%);
  padding: 0 4px;
  font-weight: 700;
}
.display-title__sub {
  margin: 42px 0 0;
  max-width: 720px;
  font-size: 18px;
  font-weight: 600;
  line-height: 2;
  color: #14306f;
  letter-spacing: 0.04em;
}
.display-title__sub + .display-title__sub {
  margin-top: 1.4em;
}
/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 28px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.12em;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
  white-space: nowrap;
}
.btn svg {
  transition: transform .3s ease;
}
.btn:hover svg {
  transform: translateX(3px);
}
.btn--primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 8px 20px rgba(20, 48, 111, 0.20);
}
.btn--primary:hover {
  background: var(--primary-deep);
  border-color: var(--primary-deep);
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(10, 71, 212, 0.28);
}
.btn--large {
  padding: 22px 36px;
  font-size: 14.5px;
  letter-spacing: 0.16em;
}
/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.9);
  border-bottom-color: var(--line-soft);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
}
.site-header__frame {
  width: 100%;
  max-width: var(--frame-max);
  margin: 0 auto;
  padding: 0 var(--frame-pad);
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  color: var(--text);
}
.brand__logo {
  display: block;
  width: 100px;
  height: auto;
  transition: opacity .25s ease;
}
.brand:hover .brand__logo {
  opacity: 0.7;
}
.site-nav {
  margin-left: auto;
}
.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.6vw, 32px);
}
.site-nav__list a {
  font-size: 13.5px;
  letter-spacing: 0.08em;
  color: var(--text);
  position: relative;
  padding: 8px 0;
}
.site-nav__list a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width .25s ease, left .25s ease;
}
.site-nav__list a:hover::after {
  width: 100%;
  left: 0;
}
.site-nav__lang a {
  display: inline-block;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background: var(--text-muted);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #fff;
  transition: background .2s ease, color .2s ease;
}
.site-nav__lang a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.site-nav__lang a::after {
  display: none;
}
.site-header__lang {
  display: none;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background: var(--text-muted);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #fff;
  transition: background .2s ease;
}
.site-header__lang:hover {
  background: var(--primary);
  color: #fff;
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  margin-left: auto;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
}
.menu-toggle__bar {
  position: absolute;
  left: 13px;
  right: 13px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s ease, top .3s ease, opacity .3s ease;
}
.menu-toggle__bar:nth-child(1) {
  top: 17px;
}
.menu-toggle__bar:nth-child(2) {
  top: 25px;
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) {
  top: 21px;
  transform: rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) {
  top: 21px;
  transform: rotate(-45deg);
}
.mobile-menu {
  position: fixed;
  top: 72px;
  right: 0;
  bottom: 0;
  left: 0;
  background: var(--bg);
  padding: 32px var(--frame-pad);
  z-index: 99;
  overflow-y: auto;
}
.mobile-menu[hidden] {
  display: none;
}
.mobile-menu__list {
  display: flex;
  flex-direction: column;
}
.mobile-menu__list li {
  border-bottom: 1px solid var(--line-soft);
}
.mobile-menu__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 16px;
  margin: 0 -16px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--text);
  transition: background .2s ease;
}
.mobile-menu__list a:hover {
  background: var(--bg-pale);
}
.mobile-menu__list a::after {
  content: "→";
  font-family: var(--font-en);
  color: var(--primary);
}
.mobile-menu__lang a {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: clamp(140px, 14vw, 180px);
  padding-bottom: clamp(80px, 9vw, 120px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg);
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    url('assets/hero.jpg') no-repeat 50% 0% / cover, linear-gradient(180deg, #eaf3fb 0%, #f7faff 100%);
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(247, 250, 255, 0.45) 0%, rgba(247, 250, 255, 0.35) 40%, rgba(247, 250, 255, 0.15) 65%, transparent 85%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .3s ease;
}
@media (max-width: 1120px) {
  .hero__bg::after {
    opacity: 1;
  }
  .hero__bg {
    background-position: 40% 0%, 40% 0%;
  }
  .hero__kicker, .hero__title, .hero__lead {
    text-shadow:
      0 0 12px rgba(255, 255, 255, 0.95), 0 0 24px rgba(255, 255, 255, 0.85), 0 0 36px rgba(255, 255, 255, 0.6);
  }
}
.hero__side {
  position: absolute;
  top: 50%;
  right: clamp(20px, 3vw, 40px);
  transform: translateY(-50%) rotate(90deg);
  transform-origin: right center;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--text-muted);
  white-space: nowrap;
}
.hero__side-line {
  width: 32px;
  height: 1px;
  background: var(--line);
}
.hero__kicker {
  margin: 0 0 clamp(20px, 1.5vw, 30px);
  padding-left: 2px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #2a6da6;
}
.hero__base {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 3vw, 40px);
  margin-top: clamp(21px, 2.5vw, 33px);
}
.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--frame-max);
  margin: 0 auto;
  transform: translateY(-35px);
}
.hero__title {
  margin: 0 0 clamp(28px, 3vw, 36px);
  font-weight: 800;
  font-size: clamp(36px, 4.4vw, 60px);
  line-height: 1.42;
  letter-spacing: 0;
  color: #14306f;
}
.hero__title span {
  display: block;
}
.hero__lead {
  margin: 0 0 clamp(28px, 3vw, 36px);
  padding-left: 4px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.95;
  color: #14306f;
  letter-spacing: 0.02em;
}
.hero__scroll {
  position: absolute;
  bottom: clamp(20px, 3vw, 40px);
  left: max(calc(var(--frame-pad) + 10px), calc((100% - var(--frame-max)) / 2 + var(--frame-pad) + 10px));
  z-index: 2;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--text-muted);
}
.hero__scroll:hover {
  color: var(--primary);
}
.hero__scroll-bar {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, var(--text-muted) 0%, var(--text-muted) 30%, transparent 100%);
  animation: scroll-bar-v 2.4s ease-in-out infinite;
}
@keyframes scroll-bar-v {
  0%, 100% {
    transform: scaleY(0.4);
    transform-origin: top;
    opacity: .4;
  }
  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}
/* ---------- About ---------- */
.about__lead-block {
  max-width: 1100px;
  margin: 0 0 clamp(40px, 5vw, 64px);
}
.about__body {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}
.about__col--text {
  position: relative;
  padding-top: 0;
  padding-left: 5px;
  margin-top: -20px;
  font-size: 18px;
}
.about__col--text p {
  font-weight: 600;
  color: #14306f;
}
.about__col--side {
  position: relative;
}
.about__art {
  margin: 0;
  position: relative;
  aspect-ratio: 7 / 6;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-pale);
}
.about__art img, .about__art svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* ---------- Challenges (editorial list) ---------- */
.challenges__head {
  margin-bottom: clamp(40px, 5vw, 64px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: clamp(40px, 5vw, 72px);
  row-gap: 24px;
}
.challenges__head .display-title {
  grid-column: 1 / -1;
  max-width: none;
  margin-bottom: 0;
}
.challenges__head .display-title__sub {
  max-width: none;
  margin-top: 18px;
}
.challenge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 1.4vw, 20px);
}
.challenge-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-md);
  padding: clamp(26px, 2.4vw, 34px) clamp(22px, 2.2vw, 28px);
  display: flex;
  flex-direction: column;
  transition: border-color .4s ease, box-shadow .4s ease, transform .4s ease;
}
.challenge-card__title {
  margin: 0 0 clamp(10px, 1vw, 14px);
  font-weight: 700;
  font-size: clamp(17px, 1.55vw, 19px);
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--text);
}
.challenge-card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.challenge-card:hover {
  border-color: var(--line-soft);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -20px rgba(14, 31, 61, 0.22);
}
/* ---------- Foundations (bento) ---------- */
.foundations__head {
  margin-bottom: clamp(40px, 5vw, 64px);
}
/* ---------- Roadmap (Phase 01 hero + Phase 02 pair + Phase 03 wide) ---------- */
.roadmap {
  display: flex;
  flex-direction: column;
  gap: clamp(56px, 6vw, 88px);
}
.phase {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 2.2vw, 32px);
}
.phase__marker {
  display: flex;
  align-items: center;
  gap: 18px;
}
.phase__label {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: #2a6da6;
  flex-shrink: 0;
}
.phase__line {
  flex: 1;
  height: 1px;
  background: var(--line);
}
.phase__release {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  flex-shrink: 0;
}
.phase__card {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: clamp(28px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.phase__card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(14, 31, 61, 0.05);
}
.phase__card--hero {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(32px, 4vw, 56px);
  padding: clamp(36px, 4vw, 56px);
  background: url('assets/paper-texture.jpg') repeat center / 278px auto, var(--bg-pale);
  border-color: transparent;
  align-items: center;
}
.phase__card--hero:hover {
  background: url('assets/paper-texture.jpg') repeat center / 278px auto, var(--bg-pale);
  border-color: transparent;
}
.phase__visual {
  margin: 0;
  background: transparent;
  border-radius: var(--radius-md);
  padding: 0;
  border: none;
}
.phase__visual svg, .phase__visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow:
    0 20px 25px -5px rgba(14, 31, 61, 0.10), 0 8px 10px -6px rgba(14, 31, 61, 0.10);
}
.phase__body {
  display: flex;
  flex-direction: column;
}
.phase__head {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.6vw, 20px);
  margin-bottom: clamp(20px, 2vw, 26px);
}
.phase__head-text {
  flex: 1;
  min-width: 0;
}
.phase__head .phase__title {
  margin-bottom: clamp(8px, 1vw, 12px);
}
.phase__head .phase__lead {
  margin-bottom: 0;
}
.phase__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin: 0 0 0 -8px;
}
.phase__icon svg {
  display: block;
  width: clamp(64px, 7vw, 80px);
  height: auto;
}
.phase__title {
  margin: 0 0 clamp(12px, 1.4vw, 18px);
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 28px);
  letter-spacing: -0.005em;
  line-height: 1.5;
  color: var(--text);
}
.phase__card--hero .phase__title {
  font-size: clamp(28px, 3vw, 38px);
}
.phase__lead {
  margin: 0 0 clamp(20px, 2vw, 26px);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.95;
  color: #14306f;
  letter-spacing: 0.04em;
}
.phase__card--hero .phase__lead {
  font-size: 17px;
}
.phase__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.phase__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-soft);
  letter-spacing: 0.04em;
}
.phase__list li::before {
  content: "";
  flex: 0 0 auto;
  width: 5px;
  height: 5px;
  margin-top: 0.85em;
  background: #7a89a8;
  border-radius: 50%;
}
.phase__pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 2vw, 28px);
}
.phase__card--wide {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(28px, 3vw, 48px);
  align-items: center;
  padding: clamp(32px, 3.4vw, 44px) clamp(32px, 4vw, 48px);
  overflow: hidden;
}
.phase__card--wide::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 32%;
  background-image: radial-gradient(circle, rgba(108, 142, 180, 0.18) 1px, transparent 1.2px);
  background-size: 14px 14px;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.6) 60%, rgba(0, 0, 0, 0.85) 100%);
  mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.6) 60%, rgba(0, 0, 0, 0.85) 100%);
  pointer-events: none;
  z-index: 0;
}
.phase__card--wide > * {
  position: relative;
  z-index: 1;
}
.phase__card--wide .phase__lead {
  margin-bottom: 0;
}
.phase__list--inline {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 10px 12px;
}
.phase__list--inline li {
  flex: 0 1 auto;
  padding: 8px 18px;
  background: #fef6e6;
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  font-weight: 500;
  color: #14306f;
  line-height: 1.5;
  letter-spacing: 0.02em;
  align-items: center;
}
.phase__list--inline li::before {
  display: none;
}
/* ---------- Together (1 + 3 layout) ---------- */
.together__head {
  margin-bottom: clamp(40px, 5vw, 64px);
  max-width: 1100px;
}
.together__intro {
  margin: -10px 0 clamp(20px, 2.4vw, 28px);
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.together-carousel {
  position: relative;
  margin: 0 calc(var(--frame-pad) * -1) clamp(48px, 5vw, 72px);
  padding: 0;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 4%, #000 96%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 4%, #000 96%, transparent 100%);
}
.together-carousel__track {
  display: flex;
  gap: clamp(14px, 1.6vw, 20px);
  padding: 8px var(--frame-pad) 28px;
  margin: 0;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.together-carousel__track::-webkit-scrollbar {
  display: none;
}
.voice-card {
  flex: 0 0 clamp(240px, 22vw, 280px);
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--radius-md);
  padding: clamp(20px, 2vw, 26px);
  box-shadow: 0 1px 0 rgba(14, 31, 61, 0.04), 0 4px 18px -10px rgba(14, 31, 61, 0.1);
  transition: transform .35s ease, box-shadow .35s ease;
}
.voice-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 1px 0 rgba(14, 31, 61, 0.04), 0 14px 32px -16px rgba(14, 31, 61, 0.22);
}
.voice-card__head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-en);
  color: var(--primary);
}
.voice-card__cat {
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.voice-card__no {
  margin-left: auto;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
}
.voice-card__tag {
  position: absolute;
  top: clamp(56px, 6vw, 68px);
  right: 8px;
  writing-mode: vertical-rl;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}
.voice-card__visual {
  margin: clamp(14px, 1.6vw, 18px) 0 clamp(14px, 1.6vw, 18px);
}
.voice-card__image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: #fff;
  display: block;
}
.voice-card__copy {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  flex: 1;
}
.voice-card__title {
  margin: 0;
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--text);
}
.voice-card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}
/* Category color accents */
.voice-card--voice .voice-card__head {
  color: #14306f;
}
.voice-card--knowledge .voice-card__head {
  color: #2a6da6;
}
.voice-card--network .voice-card__head {
  color: #b07a00;
}
.voice-card--support .voice-card__head {
  color: #d4a635;
}
.together-carousel__controls {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 4px;
  padding: 0 var(--frame-pad);
}
.together-carousel__btn {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--text);
  color: #fff;
  transition: background .25s ease;
}
.together-carousel__btn:hover {
  background: var(--primary);
}
.together-carousel__btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
.together__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
  padding-top: clamp(32px, 4vw, 48px);
  border-top: 1px solid var(--line-soft);
}
.together__notice {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
/* ---------- Overview ---------- */
.organization__head {
  margin-bottom: clamp(40px, 5vw, 64px);
}
.contact__head {
  margin-bottom: clamp(40px, 5vw, 64px);
}
.contact__head .display-title__sub {
  max-width: 760px;
}
.overview__list {
  margin: 0 auto;
  max-width: 880px;
  border-top: 1px solid var(--line-soft);
}
.overview__row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(16px, 2vw, 32px);
  padding: clamp(20px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--line-soft);
}
.overview__row dt {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: #2a6da6;
}
.overview__row dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--text);
  letter-spacing: 0.04em;
}
/* ---------- Contact form ---------- */
.contact-form {
  max-width: 680px;
  margin: 0 auto;
  padding: clamp(28px, 3.6vw, 48px);
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 40px rgba(14, 31, 61, 0.04);
}
.contact-form__row {
  margin-bottom: clamp(18px, 2.2vw, 24px);
}
.contact-form__row:last-of-type {
  margin-bottom: 0;
}
.contact-form__honeypot {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.field {
  display: block;
}
.field__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text);
}
.field__req {
  display: inline-block;
  padding: 2px 8px;
  background: var(--bg-pale);
  border-radius: var(--radius-pill);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--primary);
}
.field__input, .field__textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  letter-spacing: 0.03em;
  transition: border-color .25s ease, background .25s ease, box-shadow .25s ease;
}
.field__input::placeholder, .field__textarea::placeholder {
  color: rgba(122, 137, 168, 0.7);
}
.field__input:hover, .field__textarea:hover {
  border-color: var(--line);
}
.field__input:focus-visible, .field__textarea:focus-visible {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(20, 48, 111, 0.14);
}
.field__textarea {
  resize: vertical;
  min-height: 160px;
}
.field__error {
  margin: 6px 0 0;
  font-size: 12px;
  color: #d23a3a;
  letter-spacing: 0.04em;
}
.field--error .field__input, .field--error .field__textarea {
  border-color: #d23a3a;
  background: #fff5f5;
}
.field--check {
  padding-top: 4px;
}
.checkbox {
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.7;
}
.checkbox__input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.checkbox__box {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg-soft);
  color: transparent;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.checkbox__input:checked + .checkbox__box {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.checkbox__input:focus-visible + .checkbox__box {
  box-shadow: 0 0 0 3px rgba(20, 48, 111, 0.18);
}
.checkbox__text {
  color: var(--text-soft);
  letter-spacing: 0.04em;
}
.contact-form__privacy {
  margin: clamp(20px, 2.4vw, 28px) 0;
  padding: 14px 16px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  font-size: 12px;
  line-height: 1.85;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.contact-form__submit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.contact-form__global-error {
  margin: 0;
  font-size: 13px;
  color: #d23a3a;
}
.contact-success {
  max-width: 680px;
  margin: 0 auto;
  padding: clamp(40px, 5vw, 60px);
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: 0 16px 40px rgba(14, 31, 61, 0.04);
}
.contact-success__mark {
  display: inline-grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--bg-pale);
  color: var(--primary);
}
.contact-success h3 {
  margin: 0 0 10px;
  font-weight: 500;
  font-size: 20px;
  color: var(--text);
}
.contact-success p {
  margin: 0;
  font-size: 14.5px;
  color: var(--text-soft);
}
/* ---------- Footer ---------- */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.78);
  padding: clamp(64px, 8vw, 96px) 0 clamp(32px, 4vw, 40px);
  position: relative;
  overflow: hidden;
}
.site-footer::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: clamp(480px, 42vw, 640px);
  height: clamp(140px, 14vw, 200px);
  background: rgba(255, 255, 255, 0.06);
  -webkit-mask-image: url('assets/logotype.svg');
  mask-image: url('assets/logotype.svg');
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-position: bottom right;
  mask-position: bottom right;
  pointer-events: none;
  user-select: none;
}
.site-footer__frame {
  width: 100%;
  max-width: var(--frame-max);
  margin: 0 auto;
  padding: 0 var(--frame-pad);
  position: relative;
  z-index: 1;
}
.site-footer a {
  color: rgba(255, 255, 255, 0.78);
}
.site-footer a:hover {
  color: #fff;
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.12fr 1fr 1fr;
  gap: clamp(40px, 5vw, 64px);
  padding-bottom: clamp(48px, 6vw, 64px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
  margin-bottom: clamp(32px, 4vw, 44px);
}
.site-footer__brand {
  display: inline-flex;
  align-items: center;
  margin-bottom: 24px;
}
.site-footer__brand-logo {
  display: block;
  height: 64px;
  width: auto;
  filter: brightness(0) invert(1);
}
.site-footer__motto {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: #fff;
}
.site-footer__contact-label {
  margin: 0 0 8px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}
.site-footer__contact-value {
  margin: 0 0 20px;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.05em;
}
.site-footer__contact-value:last-child {
  margin-bottom: 0;
}
.site-footer__contact-value a {
  font-family: var(--font-en);
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.30);
  padding-bottom: 1px;
}
.site-footer__contact-value a:hover {
  border-bottom-color: #fff;
}
.site-footer__nav-block .site-footer__contact-label {
  margin-bottom: 14px;
}
.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.site-footer__links a {
  display: inline-flex;
  align-items: center;
  padding: 6px 0;
  font-size: 13px;
  letter-spacing: 0.06em;
}
.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.site-footer__copy {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.45);
}
.site-footer__back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.20);
  border-radius: var(--radius-pill);
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.site-footer__back:hover {
  background: rgba(255, 255, 255, 0.06);
}
/* ---------- Animations ---------- */
[data-anim] {
  opacity: 0;
  transition: opacity .8s cubic-bezier(.2, .6, .2, 1), transform .8s cubic-bezier(.2, .6, .2, 1);
  will-change: transform, opacity;
}
[data-anim="fade-up"] {
  transform: translate3d(0, 16px, 0);
}
[data-anim="rise"] {
  transform: translate3d(0, 24px, 0);
}
[data-anim="fade-in"] {
  transform: none;
}
[data-anim].is-in {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  [data-anim] {
    opacity: 1;
    transform: none;
  }
  html {
    scroll-behavior: auto;
  }
}
/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .site-nav {
    display: none;
  }
  .menu-toggle {
    display: block;
    margin-left: 0;
  }
  .site-header__lang {
    display: inline-block;
    margin-left: auto;
  }
  .hero {
    min-height: 0;
    padding-top: clamp(108px, 16vw, 140px);
    padding-bottom: clamp(60px, 9vw, 96px);
  }
  .hero__inner {
    transform: translateY(-5px);
  }
  .hero__title {
    font-size: clamp(34px, 6vw, 52px);
  }
  .hero__title span:nth-child(2) {
    padding-left: 0;
  }
  .hero__title span:nth-child(3) {
    padding-left: 0;
  }
  .hero__base {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero__lead {
    font-size: 16.5px;
  }
  .hero__side {
    display: none;
  }
  .hero__scroll {
    display: none;
  }
  .challenges__head {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .challenges__head .display-title__sub + .display-title__sub {
    margin-top: 0;
  }
  .phase__marker {
    flex-wrap: wrap;
    gap: 10px 16px;
  }
  .about__body {
    gap: clamp(28px, 3.6vw, 40px);
  }
  .about__col--text p {
    font-weight: 400;
  }
  .about__col--text br {
    display: none;
  }
  .phase__card--hero {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: start;
  }
  .phase__card--wide {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }
  .together__head {
    max-width: none;
  }
  .display-title__sub, .contact__head .display-title__sub {
    max-width: none;
    font-weight: 400;
  }
  .challenge-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .overview__row {
    grid-template-columns: 130px 1fr;
  }
}
/* ---------- Mobile (≤640px) ---------- */
@media (max-width: 640px) {
  /* Tokens & body */
  :root {
    --frame-pad: 22px;
  }
  body {
    font-size: 15px;
    line-height: 1.82;
    letter-spacing: 0.03em;
  }
  .hide-on-mobile {
    display: none;
  }

  /* Header / Mobile menu */
  .site-header__frame {
    height: 64px;
  }
  .brand__logo {
    width: 88px;
  }
  .menu-toggle {
    width: 40px;
    height: 40px;
  }
  .mobile-menu {
    top: 64px;
    padding-top: 24px;
  }
  .mobile-menu__list a {
    padding: 18px 14px;
    font-size: 15px;
  }

  /* Section */
  .section {
    padding: 64px 0;
  }
  .section-marker {
    margin-bottom: 18px;
    gap: 10px;
  }
  .section-marker__line {
    width: 26px;
  }
  .section-marker__label {
    font-size: 12px;
    letter-spacing: 0.14em;
  }

  /* Display title / Legacy heads */
  .display-title {
    font-size: clamp(27px, 7.2vw, 32px);
    line-height: 1.38;
    margin-bottom: 22px;
  }
  .display-title__sub {
    margin-top: 22px;
    font-size: 15px;
    line-height: 1.85;
    letter-spacing: 0.03em;
  }
  .display-title__sub + .display-title__sub {
    margin-top: 1em;
  }
  .head {
    text-align: left;
  }
  .lead {
    margin-left: 0;
    margin-right: 0;
  }

  /* Hero */
  .hero__bg::after {
    background: rgba(247, 250, 255, 0.5);
  }
  .hero {
    min-height: 86svh;
    padding-top: 112px;
    padding-bottom: 56px;
    align-items: center;
  }
  .hero__bg {
    background-position: 55% 0%, 40% 0%;
  }
  .hero__inner {
    transform: translateY(-12px);
  }
  .hero__kicker {
    font-size: 14px;
    margin-bottom: 16px;
  }
  .hero__title {
    font-size: clamp(29px, 8vw, 34px);
    line-height: 1.44;
    margin-bottom: 22px;
  }
  .hero__base {
    margin-top: 20px;
  }
  .hero__lead {
    font-size: 15px;
    line-height: 1.85;
    padding-left: 0;
    padding-right: 0;
    letter-spacing: 0.02em;
  }
  .hero__lead br {
    display: none;
  }

  /* About */
  .about__lead-block {
    margin-bottom: 36px;
  }
  .about__body {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .about__col--side {
    order: -1;
  }
  .about__col--text {
    margin-top: 0;
    padding-left: 0;
    font-size: 15px;
  }
  .about__col--text p {
    margin: 0 0 1.25em;
    line-height: 1.85;
  }
  .about__art {
    aspect-ratio: auto;
    background: transparent;
  }

  /* Section heads */
  .challenges__head,
  .foundations__head,
  .together__head {
    margin-bottom: 36px;
  }

  /* Challenges */
  .challenge-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .challenge-card {
    padding: 22px 20px;
    border-radius: 12px;
  }
  .challenge-card__title {
    font-size: 16px;
    margin-bottom: 8px;
  }
  .challenge-card__body {
    font-size: 13.5px;
    line-height: 1.75;
  }

  /* Roadmap (Phase 01 / 02 / 03) */
  .roadmap {
    gap: 44px;
  }
  .phase {
    gap: 18px;
  }
  .phase__marker {
    gap: 8px 12px;
  }
  .phase__label {
    font-size: 12px;
  }
  .phase__release {
    width: 100%;
    font-size: 12px;
    line-height: 1.6;
  }
  .phase__card--hero,
  .phase__pair,
  .phase__card--wide {
    grid-template-columns: 1fr;
  }
  .phase__card,
  .phase__card--hero,
  .phase__card--wide {
    padding: 24px 20px;
    border-radius: 14px;
  }
  .phase__title,
  .phase__card--hero .phase__title {
    font-size: 21px;
    line-height: 1.45;
  }
  .phase__lead,
  .phase__card--hero .phase__lead {
    font-size: 14.5px;
    line-height: 1.8;
    margin-bottom: 18px;
  }
  .phase__list {
    gap: 6px;
  }
  .phase__list li {
    font-size: 14px;
    line-height: 1.75;
  }

  /* Overview */
  .overview__row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  /* Contact form */
  .contact-form {
    padding: 22px 18px;
  }
  .field__input,
  .field__textarea {
    padding: 12px 14px;
    font-size: 16px;
  }

  /* Footer */
  .site-footer__top {
    grid-template-columns: 1.5fr 1fr;
    grid-template-areas:
      "intro nav"
      "contact nav";
    gap: 32px 24px;
  }
  .site-footer__intro {
    grid-area: intro;
  }
  .site-footer__contact {
    grid-area: contact;
  }
  .site-footer__nav-block {
    grid-area: nav;
  }

  /* Buttons */
  .btn,
  .btn--large {
    width: 100%;
    justify-content: center;
    padding: 17px 22px;
    font-size: 13.5px;
  }
}