:root {
  --page-bg: #f4f1e8;
  --card-bg: #fffdf7;
  --card-strong: #ffffff;
  --text-strong: #102a43;
  --text-body: #243b53;
  --text-muted: #627d98;
  --border-color: #cbd5df;
  --border-strong: #9fb3c8;
  --accent: #1f7a5a;
  --accent-dark: #14533f;
  --accent-soft: #d9f2e6;
  --signal: #d9f74a;
  --ink-panel: #102a43;
  --ink-panel-soft: #163d5c;
  --shadow-soft: 0 28px 70px rgba(16, 42, 67, 0.12);
  --shadow-card: 0 14px 34px rgba(16, 42, 67, 0.07);
  --max-width: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-body);
  line-height: 1.75;
  background:
    linear-gradient(rgba(16, 42, 67, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 42, 67, 0.035) 1px, transparent 1px),
    var(--page-bg);
  background-size: 32px 32px;
}

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

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 3px;
}

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

.page-shell {
  min-height: 100vh;
}

.page-main {
  padding: clamp(44px, 6vw, 88px) clamp(18px, 4vw, 52px) clamp(80px, 9vw, 132px);
  display: flex;
  justify-content: center;
}

.page-content {
  width: 100%;
  max-width: var(--max-width);
  display: flex;
  flex-direction: column;
  gap: clamp(44px, 7vw, 92px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 14px clamp(18px, 4vw, 42px);
  background: rgba(244, 241, 232, 0.94);
  border-bottom: 1px solid rgba(159, 179, 200, 0.72);
  backdrop-filter: blur(18px);
}

.site-header__inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  color: var(--signal);
  background: var(--ink-panel);
  font-family: "Space Grotesk", sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand-name {
  color: var(--text-strong);
  font-family: "Space Grotesk", sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-tag {
  color: var(--text-muted);
  font-family: "Space Grotesk", sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 32px);
  margin-left: auto;
  color: var(--text-body);
  font-size: 14px;
  font-weight: 600;
}

.site-nav a,
.site-footer__list a {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 5px;
  transition: 0.2s ease;
}

.site-nav a:hover,
.site-footer__list a:hover {
  color: var(--accent-dark);
  text-decoration-color: currentColor;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-search input {
  width: min(24vw, 250px);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  padding: 10px 15px;
  color: var(--text-body);
  font-size: 13px;
}

.hero-stage {
  align-items: stretch;
}

.hero-panel,
.surface-card,
.quote-panel,
.cta-band,
.manifesto-card,
.detail-article {
  position: relative;
}

.hero-panel {
  min-height: 520px;
  padding: clamp(38px, 6vw, 74px);
  border-radius: 4px 70px 4px 4px;
  color: #f7fafc;
  background: var(--ink-panel);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 22px;
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  top: 28px;
  right: 32px;
  width: 72px;
  height: 12px;
  border-radius: 999px;
  background: var(--signal);
}

.hero-panel h1 {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 820px;
  color: #ffffff;
  font-size: clamp(42px, 5.4vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.055em;
  font-weight: 800;
}

.hero-panel p {
  position: relative;
  z-index: 1;
  max-width: 740px;
  margin: 0;
  color: #d9e2ec;
  font-size: clamp(16px, 1.8vw, 20px);
}

.hero-panel .section-eyebrow {
  color: var(--signal);
}

.manifesto-card {
  padding: clamp(30px, 4vw, 48px);
  border: 1px solid var(--border-strong);
  border-radius: 4px 4px 48px 4px;
  background: var(--card-bg);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 28px;
}

.manifesto-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  margin-top: 8px;
}

.manifesto-list li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
}

.manifesto-list li:last-child {
  border-bottom: 1px solid var(--border-color);
}

.manifesto-list > li > span,
.card-index,
.process-grid article > span,
.note-format > li > span {
  color: var(--accent);
  font-family: "Space Grotesk", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.manifesto-list strong {
  display: block;
  color: var(--text-strong);
  font-family: "Space Grotesk", sans-serif;
  font-size: 22px;
  line-height: 1.1;
}

.manifesto-list p {
  margin: 6px 0 0;
  color: var(--text-muted);
  font-size: 14px;
}

.section-eyebrow {
  margin: 0;
  color: var(--accent);
  font-family: "Space Grotesk", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-heading {
  margin: 0;
  color: var(--text-strong);
  font-size: clamp(29px, 4vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.045em;
}

.section-text {
  margin: 0;
  color: var(--text-muted);
}

.section-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.editorial-section {
  display: grid;
  gap: 28px;
}

.section-intro {
  max-width: 760px;
  display: grid;
  gap: 12px;
}

.section-intro--row {
  max-width: none;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: 36px;
}

.surface-card,
.quote-panel {
  border: 1px solid var(--border-color);
  border-radius: 4px 32px 4px 4px;
  background: var(--card-bg);
  padding: clamp(24px, 4vw, 40px);
  box-shadow: var(--shadow-card);
}

.surface-card h3,
.quote-panel h3 {
  margin: 0;
  color: var(--text-strong);
  font-size: 20px;
  line-height: 1.35;
}

.surface-card p,
.surface-card li,
.quote-panel p {
  color: var(--text-muted);
}

.surface-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.purpose-grid .surface-card {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.number-card .card-index {
  margin-bottom: auto;
  font-size: 34px;
  letter-spacing: -0.04em;
}

.split-panel,
.two-column {
  display: grid;
  gap: 20px;
}

.topic-list {
  display: grid;
  border-top: 1px solid var(--border-color);
}

.topic-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-strong);
  font-weight: 700;
}

.topic-list a:hover {
  color: var(--accent-dark);
}

.topic-list span {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  text-align: right;
}

.quote-panel {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.quote-panel .section-heading {
  max-width: 640px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.text-link span {
  transition: transform 0.2s ease;
}

.text-link:hover span {
  transform: translateX(4px);
}

.section-action {
  display: flex;
  justify-content: flex-end;
}

.topic-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--border-color);
  border: 1px solid var(--border-color);
}

.topic-cards article {
  min-height: 260px;
  padding: clamp(24px, 4vw, 42px);
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.topic-cards article > span {
  margin-bottom: auto;
  color: var(--accent);
  font-family: "Space Grotesk", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topic-cards h3 {
  margin: 0;
  color: var(--text-strong);
  font-size: 22px;
  line-height: 1.4;
}

.topic-cards p {
  margin: 12px 0 0;
  color: var(--text-muted);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--border-color);
  border: 1px solid var(--border-color);
}

.process-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.process-grid article {
  padding: 24px;
  background: var(--card-strong);
}

.process-grid h3 {
  margin: 28px 0 8px;
  font-size: 18px;
}

.process-grid p {
  margin: 0;
  font-size: 14px;
}

.principle-list {
  display: grid;
}

.principle-list > div {
  display: grid;
  grid-template-columns: minmax(180px, 0.65fr) 1fr;
  gap: 28px;
  padding: 20px 0;
  border-top: 1px solid var(--border-color);
}

.principle-list > div:last-child {
  border-bottom: 1px solid var(--border-color);
}

.principle-list strong {
  color: var(--text-strong);
}

.principle-list p {
  margin: 0;
}

.note-format {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.note-format li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--border-color);
}

.note-format li:last-child {
  border-bottom: 1px solid var(--border-color);
}

.note-format strong {
  color: var(--text-strong);
}

.note-format p {
  margin: 4px 0 0;
  font-size: 14px;
}

.badge-list,
.tag-cloud,
.app-card__pills,
.app-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge,
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
  color: var(--text-body);
  font-size: 12px;
  font-weight: 600;
}

.button-primary,
.button-secondary {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 11px 22px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: 0.2s ease;
}

.button-primary {
  background: var(--signal);
  color: var(--ink-panel);
  border-color: var(--signal);
}

.button-primary:hover {
  background: #c8e835;
  border-color: #c8e835;
  transform: translateY(-1px);
}

.button-secondary {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.08);
  color: inherit;
}

.button-secondary:hover {
  border-color: currentColor;
}

.button-row {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.app-card {
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: 4px 36px 4px 4px;
  background: var(--card-bg);
  box-shadow: var(--shadow-card);
  transition: 0.22s ease;
}

.app-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.app-card__link {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  min-height: 100%;
}

.app-card__media {
  min-height: 330px;
  overflow: hidden;
  background: #e6edf3;
}

.app-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-card__body {
  padding: clamp(24px, 4vw, 38px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.app-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.app-card__status {
  color: var(--text-muted);
  font-family: "Space Grotesk", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.app-card__title {
  margin: 0;
  color: var(--text-strong);
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.app-card__tagline,
.app-card__summary {
  margin: 0;
}

.app-card__tagline {
  color: var(--text-body);
  font-weight: 600;
}

.app-card__summary {
  color: var(--text-muted);
  font-size: 14px;
}

.app-card__footer {
  margin-top: auto;
  padding-top: 8px;
  color: var(--accent-dark);
  font-weight: 700;
}

.app-hero__copy,
.app-hero__media {
  height: 100%;
}

.app-hero__media {
  padding: 14px;
}

.app-hero__media img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  border-radius: 2px 24px 2px 2px;
  object-fit: cover;
}

.app-highlight-list {
  margin: 0;
  padding-left: 22px;
  display: grid;
  gap: 9px;
}

.app-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.app-gallery__item {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
}

.app-gallery__item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.app-gallery__caption {
  padding: 14px 16px 18px;
  color: var(--text-muted);
  font-size: 14px;
}

.hero-preview__image {
  width: 100%;
  border: 1px solid var(--border-color);
  background: #fff;
}

.timeline {
  display: grid;
  gap: 1px;
  background: var(--border-color);
  border: 1px solid var(--border-color);
}

.timeline-entry {
  padding: 24px;
  background: var(--card-strong);
}

.eyebrow-number {
  color: var(--accent);
  font-family: "Space Grotesk", sans-serif;
  font-size: 28px;
  font-weight: 700;
}

.form-card {
  display: grid;
  gap: 18px;
}

.form-card label {
  display: block;
  margin-bottom: 7px;
  color: var(--text-strong);
  font-size: 14px;
  font-weight: 700;
}

.form-card input,
.form-card textarea,
.form-card select {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  background: #fff;
  padding: 13px 14px;
  color: var(--text-body);
}

.form-card textarea {
  min-height: 170px;
  resize: vertical;
}

.form-notice {
  padding: 16px;
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
}

.form-notice strong {
  color: var(--text-strong);
}

.form-notice p {
  margin: 5px 0 0;
  font-size: 13px;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.check-list li {
  padding: 14px 0 14px 28px;
  border-top: 1px solid var(--border-color);
  position: relative;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 23px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
}

.contact-domain {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  display: grid;
  gap: 4px;
}

.contact-domain span {
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.contact-domain a,
.inline-link {
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.detail-article {
  max-width: 900px;
  margin: 0 auto;
  padding: clamp(30px, 6vw, 64px);
  border-radius: 4px 48px 4px 4px;
  background: var(--card-bg);
  box-shadow: var(--shadow-card);
}

.detail-article h2 {
  margin: 22px 0 0;
  color: var(--text-strong);
  font-size: 24px;
}

.detail-article p,
.detail-article li {
  color: var(--text-muted);
}

.detail-article ul,
.surface-card ul,
.surface-card ol {
  margin: 0;
  padding-left: 22px;
}

.policy-date {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
}

.cta-band {
  overflow: hidden;
  padding: clamp(34px, 6vw, 68px);
  border-radius: 4px 54px 4px 4px;
  color: #f0f4f8;
  background: var(--ink-panel);
  box-shadow: var(--shadow-soft);
}

.cta-band::after {
  content: "A1";
  position: absolute;
  right: clamp(18px, 5vw, 60px);
  bottom: -48px;
  color: rgba(217, 247, 74, 0.1);
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(140px, 22vw, 280px);
  font-weight: 700;
  line-height: 0.8;
  pointer-events: none;
}

.cta-band .section-heading,
.cta-band .section-text,
.cta-band .section-eyebrow {
  position: relative;
  z-index: 1;
  color: inherit;
  max-width: 800px;
}

.site-footer {
  padding: 0 clamp(18px, 4vw, 52px) 48px;
}

.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(30px, 5vw, 52px);
  border-top: 6px solid var(--signal);
  background: var(--ink-panel);
  color: #d9e2ec;
  display: grid;
  gap: 40px;
}

.site-footer .section-heading {
  max-width: 780px;
  color: #fff;
}

.site-footer .section-eyebrow {
  color: var(--signal);
}

.site-footer .section-text {
  max-width: 760px;
  color: #bcccdc;
}

.site-footer__lead {
  display: grid;
  gap: 14px;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  gap: 30px;
  padding-top: 28px;
  border-top: 1px solid rgba(188, 204, 220, 0.25);
}

.site-footer__label {
  margin: 0 0 12px;
  color: var(--signal);
  font-family: "Space Grotesk", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-footer__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  color: #d9e2ec;
  font-size: 14px;
}

.site-footer__meta {
  padding-top: 20px;
  border-top: 1px solid rgba(188, 204, 220, 0.25);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: #9fb3c8;
  font-size: 12px;
}

.site-footer__meta p {
  margin: 0;
}

@media (min-width: 900px) {
  .hero-stage {
    grid-template-columns: minmax(0, 1.45fr) minmax(330px, 0.75fr);
  }

  .split-panel,
  .two-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1160px) {
  .site-search {
    display: none;
  }
}

@media (max-width: 940px) {
  .site-header__inner {
    flex-wrap: wrap;
  }

  .site-nav {
    order: 3;
    width: 100%;
    display: flex;
    gap: 22px;
    overflow-x: auto;
    padding: 10px 0 2px;
    border-top: 1px solid rgba(159, 179, 200, 0.45);
    white-space: nowrap;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .site-header__actions {
    margin-left: auto;
  }

  .process-grid,
  .process-grid--three {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .page-main {
    padding-top: 24px;
  }

  .page-content {
    gap: 52px;
  }

  .site-header__actions .button-primary {
    display: none;
  }

  .site-nav {
    gap: 14px;
    font-size: 12px;
  }

  .brand-tag {
    display: none;
  }

  .hero-panel {
    min-height: 480px;
    border-radius: 3px 44px 3px 3px;
  }

  .hero-panel h1 {
    font-size: clamp(36px, 10.2vw, 46px);
    line-height: 1.14;
  }

  .section-intro--row,
  .topic-cards,
  .process-grid,
  .process-grid--three,
  .principle-list > div,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .topic-cards article {
    min-height: 220px;
  }

  .app-card__link {
    grid-template-columns: 1fr;
  }

  .app-card__media {
    min-height: 230px;
    aspect-ratio: 16 / 10;
  }

  .button-primary,
  .button-secondary {
    width: 100%;
  }

  .topic-list a {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .topic-list span {
    text-align: left;
  }

  .site-footer__meta {
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}