:root {
  --ink: #22313a;
  --muted: #60717a;
  --line: #dcebf0;
  --water: #008fd3;
  --water-dark: #006da6;
  --water-soft: #e8f8fd;
  --leaf: #7cc51f;
  --leaf-soft: #eef9df;
  --sun: #ffd952;
  --paper: #ffffff;
  --mist: #f6fbfd;
  --radius: 8px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 16%, rgba(0, 143, 211, 0.08), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, #f7fcfe 48%, #ffffff 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", Meiryo, sans-serif;
  line-height: 1.75;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 4vw, 48px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(220, 235, 240, 0.9);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
  font-weight: 700;
  font-size: 13px;
}

.brand img {
  width: 150px;
  height: auto;
}

.global-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 3vw, 36px);
  font-weight: 700;
  font-size: 14px;
}

.global-nav a {
  flex: 0 0 auto;
  white-space: nowrap;
}

.global-nav a,
.site-footer a,
.text-link {
  transition: color 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.global-nav a:hover,
.site-footer a:hover,
.text-link:hover {
  color: var(--water-dark);
}

.section {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
  padding-block: 56px;
  scroll-margin-top: 120px;
}

.hero {
  position: relative;
  isolation: isolate;
  width: 100%;
  min-height: clamp(600px, calc(100vh - 132px), 740px);
  overflow: hidden;
  color: #ffffff;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero::before {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(4, 30, 41, 0.78) 0%, rgba(4, 30, 41, 0.58) 36%, rgba(4, 30, 41, 0.16) 72%, rgba(4, 30, 41, 0.04) 100%),
    linear-gradient(180deg, rgba(4, 30, 41, 0.1) 0%, rgba(4, 30, 41, 0.14) 55%, rgba(4, 30, 41, 0.5) 100%);
}

.hero::after {
  z-index: -1;
  background:
    radial-gradient(circle at 16% 24%, rgba(0, 143, 211, 0.32), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent 22%);
  mix-blend-mode: screen;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 52%;
}

.hero-content {
  display: grid;
  align-items: end;
  width: min(var(--max), calc(100% - 40px));
  min-height: inherit;
  margin-inline: auto;
  padding-block: clamp(64px, 10vh, 104px) 56px;
}

.hero-copy {
  align-self: center;
  max-width: 800px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--water-dark);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
  letter-spacing: 0;
  word-break: keep-all;
  line-break: strict;
}

h1 {
  font-size: clamp(40px, 5.15vw, 68px);
  font-weight: 900;
}

.hero h1 {
  max-width: 820px;
  color: #ffffff;
  font-size: clamp(48px, 7.3vw, 92px);
  line-height: 1.05;
  text-shadow: 0 3px 28px rgba(0, 0, 0, 0.32);
}

h1::first-letter {
  color: var(--water);
}

.hero h1::first-letter {
  color: #ffffff;
}

.headline-line {
  display: block;
}

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

.headline-line .keep + .keep {
  margin-left: 0.22em;
}

h2 {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 900;
}

h3 {
  font-size: 20px;
  font-weight: 850;
}

.lead {
  margin: 24px 0 0;
  max-width: 620px;
  color: #30424c;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
}

.hero .eyebrow {
  color: #bdefff;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.28);
}

.hero .lead {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.94);
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.3);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  transition:
    transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
    background-color 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: white;
  background: var(--water);
}

.button.primary:hover {
  background: var(--water-dark);
}

.button.quiet {
  color: var(--water-dark);
  background: white;
  border-color: var(--line);
}

.hero .button.quiet {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(16px);
}

.button.quiet:hover {
  border-color: #b9dbe6;
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading.centered {
  text-align: center;
}

.section-heading.with-link {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.section-heading p:not(.eyebrow) {
  max-width: 760px;
  color: var(--muted);
  font-weight: 600;
}

.text-link {
  color: var(--water-dark);
  font-weight: 800;
  white-space: nowrap;
}

.featured-projects {
  padding-top: clamp(44px, 6vw, 72px);
  padding-bottom: 42px;
}

.featured-project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.featured-project-banner {
  display: block;
  overflow: hidden;
  background: #053c5c;
  border: 1px solid rgba(0, 109, 166, 0.16);
  border-radius: 8px;
  transition:
    transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
    border-color 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.featured-project-banner:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 109, 166, 0.38);
}

.featured-project-banner img {
  width: 100%;
  aspect-ratio: 1600 / 430;
  object-fit: cover;
}

.news {
  padding-top: 24px;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.news-card,
.news-row {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.news-card {
  display: block;
  min-height: 248px;
  padding: 24px;
  transition:
    transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
    border-color 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.news-card:hover,
.news-row:hover {
  transform: translateY(-3px);
  border-color: #b9dbe6;
}

.news-card:focus-visible,
.news-row:focus-visible {
  outline: 3px solid rgba(0, 143, 211, 0.32);
  outline-offset: 4px;
}

.news-card h3 {
  margin-top: 18px;
}

.news-card p:not(.meta),
.news-row p:not(.meta),
.concept p {
  color: var(--muted);
}

.is-empty {
  background: repeating-linear-gradient(
    -45deg,
    rgba(232, 248, 253, 0.8),
    rgba(232, 248, 253, 0.8) 10px,
    rgba(255, 255, 255, 0.92) 10px,
    rgba(255, 255, 255, 0.92) 20px
  );
}

.meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  color: #6b7b82;
  font-size: 13px;
  font-weight: 800;
}

.label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 12px;
  color: var(--water-dark);
  background: var(--water-soft);
  border-radius: 999px;
}

.label-green {
  color: #4d8500;
  background: var(--leaf-soft);
}

.label-outline {
  color: #6b7b82;
  background: white;
  border: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: 48px;
  align-items: start;
}

.concept {
  width: 100%;
  max-width: none;
  padding-inline: max(20px, calc((100vw - var(--max)) / 2));
  background:
    linear-gradient(90deg, rgba(0, 143, 211, 0.88), rgba(0, 109, 166, 0.86)),
    url("assets/concept-source.png");
  background-size: cover;
  background-position: center;
  color: white;
}

.concept .eyebrow,
.concept p {
  color: white;
}

.concept p {
  font-size: 17px;
  font-weight: 650;
}

.point-list {
  display: grid;
  gap: 10px;
}

.point-list p {
  margin: 0;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius);
}

.point-list strong {
  margin-right: 12px;
  color: var(--sun);
  font-size: 22px;
}

.question-layout {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 40px;
}

.goals {
  width: 100%;
  max-width: none;
  padding-inline: max(20px, calc((100vw - var(--max)) / 2));
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.88), rgba(245, 252, 247, 0.92)),
    #f3faf5;
}

.goal-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.goal-card {
  display: grid;
  align-content: start;
  gap: 14px;
  min-width: 0;
  padding: 16px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(220, 235, 240, 0.9);
  border-radius: var(--radius);
}

.goal-title {
  min-height: 122px;
}

.goal-number {
  color: var(--goal-color);
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
}

.goal-title p {
  display: inline-flex;
  margin: 0 0 4px;
  padding: 1px 8px 2px;
  color: white;
  background: var(--goal-color);
  border-radius: 2px;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.45;
}

.goal-title h3 {
  color: var(--goal-color);
  font-size: 17px;
  line-height: 1.45;
  word-break: normal;
  line-break: auto;
  overflow-wrap: anywhere;
}

.goal-card img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: 4px;
}

.goal-card > p {
  margin: 0;
  color: #344a52;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.75;
  word-break: normal;
  line-break: auto;
}

.goal-pink {
  --goal-color: #ec4f7f;
}

.goal-magenta {
  --goal-color: #cf3fa6;
}

.goal-purple {
  --goal-color: #7953a9;
}

.goal-cyan {
  --goal-color: #00a1b7;
}

.goal-green {
  --goal-color: #16964c;
}

.question-card {
  min-height: 280px;
  padding: 18px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.question-card span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--water-dark);
  font-size: 18px;
  font-weight: 900;
}

.question-card span::after {
  content: "";
  display: inline-block;
  width: 28px;
  height: 3px;
  background: var(--water-dark);
}

.question-card h3 {
  margin-top: 10px;
  font-size: 17px;
  line-height: 1.45;
}

.question-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.organization {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(420px, 1.22fr);
  gap: 40px;
  align-items: start;
}

.organization .section-heading {
  position: sticky;
  top: 128px;
  margin-bottom: 0;
}

.organization-list {
  margin: 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.organization-list div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 24px;
  padding: 18px 22px;
  border-top: 1px solid var(--line);
}

.organization-list div:first-child {
  border-top: 0;
}

.organization-list dt,
.organization-list dd {
  margin: 0;
}

.organization-list dt {
  color: var(--water-dark);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.organization-list dd {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.75;
}

.contact-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(var(--max), calc(100% - 40px));
  margin-bottom: 48px;
  padding: 34px clamp(24px, 4vw, 48px);
  background: var(--water-soft);
  border: 1px solid #cae9f2;
  border-radius: 18px;
}

.contact-cta p {
  margin-bottom: 0;
  color: var(--muted);
  font-weight: 700;
}

.contact-button {
  flex: 0 0 auto;
  min-width: 260px;
  white-space: nowrap;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 32px clamp(20px, 4vw, 48px);
  color: #45565e;
  background: white;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer img {
  width: 150px;
}

.site-footer p,
.site-footer address {
  margin: 8px 0 0;
  font-style: normal;
}

.site-footer nav {
  display: grid;
  grid-template-columns: repeat(2, max-content);
  column-gap: 32px;
  gap: 8px;
  font-weight: 800;
}

.site-footer.compact {
  grid-template-columns: 1fr auto;
}

.site-footer.compact nav {
  grid-template-columns: 1fr;
  column-gap: 0;
}

.news-page {
  min-height: calc(100vh - 190px);
}

.article-page {
  background: linear-gradient(180deg, #f5fbfe 0%, #ffffff 48%);
}

.project-article {
  display: grid;
  gap: 32px;
  min-width: 0;
  overflow: hidden;
}

.project-article-hero {
  display: grid;
  gap: 26px;
  min-width: 0;
  padding-top: 32px;
}

.project-article-hero img {
  width: 100%;
  border-radius: 8px;
}

.project-article-copy {
  max-width: 920px;
}

.project-article-copy h1 {
  font-size: clamp(34px, 5vw, 58px);
  word-break: normal;
  line-break: auto;
  overflow-wrap: anywhere;
}

.project-article-copy p {
  color: var(--muted);
  font-size: 17px;
  font-weight: 650;
}

.project-article-lead {
  max-width: 960px;
  color: #344a52;
  font-size: 17px;
  font-weight: 600;
}

.project-article-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.project-article-card {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 20px;
  background: var(--water-soft);
  border: 1px solid #cae9f2;
  border-radius: 8px;
}

.project-article-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
}

.project-article-card img.logo-fit {
  object-fit: contain;
  background: white;
}

.project-article-card h2 {
  font-size: 22px;
  line-height: 1.35;
}

.project-article-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.news-list {
  display: grid;
  gap: 16px;
}

.news-row {
  display: block;
  padding: 24px;
  transition:
    transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
    border-color 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.news-row h2 {
  margin-top: 14px;
  font-size: 26px;
}

.news-article {
  display: grid;
  gap: 28px;
  max-width: 920px;
}

.news-article-header {
  display: grid;
  gap: 18px;
  padding-top: 32px;
}

.news-article-header h1 {
  font-size: clamp(34px, 5vw, 58px);
  word-break: normal;
  line-break: auto;
  overflow-wrap: anywhere;
}

.news-article-body {
  display: grid;
  gap: 20px;
  max-width: 840px;
  color: #344a52;
  font-size: 17px;
  font-weight: 500;
  line-height: 2;
}

.news-article-body p {
  margin: 0;
}

.news-article-body a {
  color: var(--blue);
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.reference-link {
  margin-top: 8px;
}

.news-article-visual {
  margin: 0;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.news-article-visual img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
}

.news-article-logo {
  display: grid;
  place-items: center;
  padding: clamp(32px, 7vw, 72px);
}

.news-article-logo img {
  width: min(520px, 100%);
  max-height: none;
  object-fit: contain;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .brand {
    width: 100%;
  }

  .global-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .split,
  .organization {
    grid-template-columns: 1fr;
  }

  .hero-content {
    grid-template-columns: 1fr;
    align-content: end;
    padding-block: 88px 56px;
  }

  .organization .section-heading {
    position: static;
  }

  .hero {
    min-height: 660px;
  }

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

  .project-article-grid,
  .goal-grid,
  .question-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 14px 18px;
  }

  .brand img {
    width: 128px;
  }

  .brand span {
    font-size: 12px;
  }

  .section {
    width: min(100% - 28px, var(--max));
    padding-block: 42px;
  }

  .hero {
    min-height: 620px;
  }

  .hero-content {
    width: min(100% - 28px, var(--max));
    gap: 28px;
    padding-block: 62px 40px;
  }

  .hero h1 {
    font-size: clamp(38px, 12vw, 52px);
  }

  h1 {
    font-size: 39px;
  }

  .lead {
    font-size: 16px;
  }

  .section-heading.with-link,
  .contact-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .news-grid,
  .featured-project-grid,
  .project-article-grid,
  .goal-grid,
  .question-layout {
    grid-template-columns: 1fr;
  }

  .project-article-card {
    grid-template-columns: 1fr;
  }

  .contact-cta {
    width: min(100% - 28px, var(--max));
  }

  .organization-list div {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 16px;
  }
}
