:root {
  --bg: #06140f;
  --bg-soft: #0b1f18;
  --bg-panel: #10281f;
  --bg-card: rgba(16, 40, 31, 0.74);
  --green: #143629;
  --green-bright: #1b3f31;
  --green-mist: #203d31;
  --text: #f5f1e8;
  --muted: #d8d2c3;
  --dim: #aaa18e;
  --gold: #c8a96a;
  --gold-soft: #e8d9a8;
  --gold-warm: #d6c08d;
  --amber: #b9823a;
  --wine: #5a1f24;
  --line: rgba(232, 217, 168, 0.28);
  --line-strong: rgba(232, 217, 168, 0.62);
  --line-soft: rgba(245, 241, 232, 0.12);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", Georgia, serif;
  --sans: "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 10%, rgba(27, 63, 49, 0.72), transparent 28%),
    radial-gradient(circle at 78% 0%, rgba(200, 169, 106, 0.16), transparent 32%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 42%, var(--bg) 100%);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
}

body::before {
  opacity: 0.3;
  background:
    linear-gradient(rgba(255, 255, 255, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(180deg, transparent, #000 18%, #000 76%, transparent);
}

body::after {
  z-index: -2;
  opacity: 0.48;
  background:
    radial-gradient(circle at 20% 18%, rgba(232, 217, 168, 0.12), transparent 3%),
    radial-gradient(circle at 76% 36%, rgba(200, 169, 106, 0.14), transparent 3%),
    radial-gradient(circle at 48% 78%, rgba(232, 217, 168, 0.1), transparent 3%);
  background-size: 680px 430px, 740px 520px, 560px 420px;
  animation: driftLight 18s ease-in-out infinite alternate;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px clamp(18px, 4vw, 54px);
  border-bottom: 1px solid rgba(232, 217, 168, 0.18);
  background:
    linear-gradient(180deg, rgba(6, 20, 15, 0.92), rgba(6, 20, 15, 0.58));
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--gold-soft);
  font-family: var(--serif);
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.25;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--gold-soft);
  background:
    radial-gradient(circle at 50% 0%, rgba(232, 217, 168, 0.28), transparent 50%),
    linear-gradient(145deg, rgba(27, 63, 49, 0.9), rgba(6, 20, 15, 0.88));
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 900;
  box-shadow: 0 0 26px rgba(200, 169, 106, 0.18);
}

.site-nav,
.footer-nav,
.footer-related {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(12px, 2.4vw, 28px);
}

.site-nav a,
.footer-nav a,
.footer-related a {
  color: var(--gold-warm);
  font-size: 0.76rem;
  font-weight: 900;
  line-height: 1.2;
  transition:
    color 180ms ease,
    text-shadow 180ms ease;
}

.site-nav a:hover,
.footer-nav a:hover,
.footer-related a:hover {
  color: var(--gold-soft);
  text-shadow: 0 0 18px rgba(232, 217, 168, 0.38);
}

.hero,
.section {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.hero {
  display: grid;
  min-height: 92svh;
  place-items: center;
  border-bottom: 1px solid var(--line);
}

.hero-media,
.section-backdrop {
  position: absolute;
  inset: 0;
  z-index: -5;
}

.hero-media img,
.section-backdrop img,
.section-visual img,
.project-card img {
  height: 100%;
  object-fit: cover;
}

.hero-media img,
.section-backdrop img {
  animation: slowZoom 22s ease-in-out infinite alternate;
}

.image-overlay,
.gold-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.image-overlay {
  z-index: -4;
  background:
    linear-gradient(90deg, rgba(6, 20, 15, 0.94), rgba(6, 20, 15, 0.66) 48%, rgba(6, 20, 15, 0.28)),
    linear-gradient(180deg, rgba(6, 20, 15, 0.08), rgba(6, 20, 15, 0.9));
}

.hero-overlay {
  background:
    radial-gradient(circle at 72% 42%, rgba(200, 169, 106, 0.2), transparent 28%),
    linear-gradient(90deg, rgba(6, 20, 15, 0.9), rgba(6, 20, 15, 0.5) 46%, rgba(6, 20, 15, 0.18)),
    linear-gradient(180deg, rgba(6, 20, 15, 0.12), rgba(6, 20, 15, 0.92));
}

.earth-overlay,
.contact-overlay {
  background:
    linear-gradient(90deg, rgba(6, 20, 15, 0.9), rgba(6, 20, 15, 0.56)),
    linear-gradient(180deg, rgba(6, 20, 15, 0.2), rgba(6, 20, 15, 0.86));
}

.gold-particles {
  z-index: -3;
  opacity: 0.42;
  background:
    radial-gradient(circle at 26% 34%, rgba(232, 217, 168, 0.38), transparent 2.6%),
    radial-gradient(circle at 66% 58%, rgba(200, 169, 106, 0.34), transparent 3.2%),
    radial-gradient(circle at 84% 22%, rgba(232, 217, 168, 0.2), transparent 2.8%),
    linear-gradient(115deg, transparent, rgba(232, 217, 168, 0.12), transparent);
  background-size: 920px 540px, 780px 460px, 860px 520px, 160% 160%;
  animation: driftLight 16s ease-in-out infinite alternate;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1280px, calc(100% - 44px));
  margin: 0 auto;
  padding: 118px 0 62px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold-soft);
  font-size: 0.75rem;
  font-weight: 900;
  line-height: 1.5;
}

.hero .eyebrow {
  width: fit-content;
  margin-right: auto;
  margin-left: auto;
  padding: 8px 12px;
  border: 1px solid rgba(232, 217, 168, 0.3);
  background: rgba(11, 31, 24, 0.5);
  box-shadow: 0 0 26px rgba(200, 169, 106, 0.14);
}

.hero h1,
.section-copy h2,
.section-heading h2,
.earth-panel h2,
.contact-box h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.1;
}

.hero h1 {
  max-width: 1120px;
  margin: 0 auto;
  color: var(--gold-soft);
  font-size: clamp(3.4rem, 7.2vw, 6.9rem);
  text-shadow:
    0 12px 40px rgba(0, 0, 0, 0.66),
    0 0 42px rgba(200, 169, 106, 0.2);
}

.hero h1 span {
  display: block;
  max-width: 900px;
  margin-top: 14px;
  margin-right: auto;
  margin-left: auto;
  color: var(--text);
  font-size: clamp(1.34rem, 2.8vw, 2.32rem);
  line-height: 1.34;
}

.hero-tagline {
  max-width: 680px;
  margin: 20px 0 0;
  margin-right: auto;
  margin-left: auto;
  color: var(--text);
  font-family: var(--serif);
  font-size: clamp(1.08rem, 2.1vw, 1.48rem);
  font-weight: 700;
  line-height: 1.55;
}

.hero-copy {
  max-width: 780px;
  margin: 12px 0 0;
  margin-right: auto;
  margin-left: auto;
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-actions {
  justify-content: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  min-height: 52px;
  overflow: hidden;
  padding: 12px 22px;
  border: 1px solid var(--gold);
  border-radius: 6px;
  color: var(--gold-soft);
  background: rgba(11, 31, 24, 0.72);
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1.35;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.button::before {
  content: "";
  position: absolute;
  inset: -120% -30%;
  background: radial-gradient(circle, rgba(232, 217, 168, 0.28), transparent 50%);
  opacity: 0;
  transform: scale(0.72);
  transition:
    opacity 200ms ease,
    transform 200ms ease;
}

.button:hover {
  transform: translateY(-3px);
  color: #fff8ed;
  border-color: var(--gold-soft);
  box-shadow: 0 0 34px rgba(200, 169, 106, 0.24);
}

.button:hover::before {
  opacity: 1;
  transform: scale(1);
}

.button-primary {
  color: #10281f;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold) 52%, var(--amber));
}

.button-secondary:hover {
  background: rgba(27, 63, 49, 0.82);
}

.section {
  padding: 90px 0;
  border-bottom: 1px solid rgba(200, 169, 106, 0.32);
}

.section-inner {
  position: relative;
  z-index: 2;
  width: min(1360px, calc(100% - 44px));
  margin: 0 auto;
}

.section-copy,
.section-heading {
  max-width: 760px;
}

.section-heading-centered {
  max-width: 920px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-copy h2,
.section-heading h2,
.earth-panel h2,
.contact-box h2 {
  font-size: clamp(2rem, 4.6vw, 3.72rem);
}

.section-copy p:not(.eyebrow),
.section-heading p:not(.eyebrow),
.earth-copy p,
.contact-box p {
  margin: 18px 0 0;
  color: var(--muted);
}

.concept-section,
.projects-section,
.network-section {
  background:
    radial-gradient(circle at 80% 4%, rgba(200, 169, 106, 0.12), transparent 30%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 54%, var(--bg) 100%);
}

.concept-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 0;
  align-items: center;
}

.concept-copy {
  order: 2;
  min-height: 470px;
  padding: clamp(28px, 4vw, 56px);
  border: 1px solid var(--line);
  border-left: 0;
  background:
    radial-gradient(circle at 86% 18%, rgba(200, 169, 106, 0.12), transparent 34%),
    linear-gradient(145deg, rgba(27, 63, 49, 0.8), rgba(6, 20, 15, 0.86));
}

.concept-lead {
  margin: 28px 0 0;
  color: var(--gold-soft);
  font-family: var(--serif);
  font-size: clamp(1.52rem, 3.7vw, 3.25rem);
  font-weight: 700;
  line-height: 1.44;
  text-shadow: 0 0 40px rgba(200, 169, 106, 0.18);
}

.section-visual {
  order: 1;
  position: relative;
  min-height: 470px;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 0;
  box-shadow: var(--shadow);
}

.section-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 20%, rgba(6, 20, 15, 0.74)),
    radial-gradient(circle at 70% 28%, rgba(232, 217, 168, 0.18), transparent 30%);
}

.concept-digest {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: -88px;
  padding-left: calc(45.9% + 16px);
}

.concept-digest article,
.field-card,
.earth-panel,
.earth-copy,
.news-links a,
.contact-box,
.network-links a {
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.concept-digest article,
.field-card {
  background:
    radial-gradient(circle at 100% 0%, rgba(200, 169, 106, 0.14), transparent 44%),
    linear-gradient(145deg, rgba(216, 210, 195, 0.05), rgba(20, 54, 41, 0.28)),
    rgba(11, 31, 24, 0.78);
  backdrop-filter: blur(8px);
}

.concept-digest article {
  padding: 26px;
}

.concept-digest span,
.field-card span,
.project-number {
  color: var(--gold-soft);
  font-size: 0.82rem;
  font-weight: 900;
}

.concept-digest h3,
.field-card h3,
.project-card h3,
.news-links strong {
  margin: 16px 0 0;
  font-family: var(--serif);
  line-height: 1.3;
}

.concept-digest h3 {
  font-size: 1.24rem;
}

.concept-digest p,
.field-card p,
.project-card p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.fields-section {
  background: var(--bg);
}

.section-backdrop img {
  opacity: 0.68;
}

.field-grid,
.project-grid,
.network-links {
  display: grid;
  gap: 16px;
}

.field-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.field-card {
  position: relative;
  min-height: 230px;
  overflow: hidden;
  padding: 0;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.field-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(6, 20, 15, 0.05), rgba(6, 20, 15, 0.86) 62%),
    linear-gradient(135deg, rgba(20, 54, 41, 0.16), rgba(6, 20, 15, 0.56));
}

.field-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.field-media img {
  height: 100%;
  object-fit: cover;
  transition: transform 420ms ease;
}

.field-card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow:
    var(--shadow),
    0 0 34px rgba(200, 169, 106, 0.16);
}

.field-card:hover .field-media img {
  transform: scale(1.06);
}

.field-card > *:not(.field-media) {
  position: relative;
  z-index: 2;
  display: block;
  margin-right: 18px;
  margin-left: 18px;
}

.field-card > span:not(.field-media) {
  margin-top: auto;
  padding-top: 122px;
}

.field-card h3 {
  font-size: 1rem;
}

.project-grid {
  grid-template-columns: repeat(7, minmax(142px, 1fr));
  gap: 10px;
}

.project-card {
  position: relative;
  display: flex;
  min-height: 236px;
  overflow: hidden;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(11, 31, 24, 0.78);
  box-shadow: var(--shadow);
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.project-card picture,
.project-card::before,
.project-card::after {
  position: absolute;
  inset: 0;
}

.project-card picture {
  z-index: 0;
}

.project-card img {
  transition: transform 520ms ease;
}

.project-card::before,
.project-card::after {
  content: "";
  pointer-events: none;
}

.project-card::before {
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(6, 20, 15, 0.12), rgba(6, 20, 15, 0.9) 72%),
    linear-gradient(135deg, rgba(20, 54, 41, 0.44), rgba(90, 31, 36, 0.1));
}

.project-card::after {
  z-index: 2;
  border: 1px solid transparent;
  background:
    linear-gradient(120deg, transparent 0%, rgba(232, 217, 168, 0.34) 50%, transparent 100%) border-box;
  opacity: 0;
  transform: translateX(-24%);
  transition:
    opacity 220ms ease,
    transform 220ms ease;
}

.project-card:hover {
  transform: translateY(-7px);
  border-color: var(--line-strong);
  box-shadow:
    var(--shadow),
    0 0 46px rgba(200, 169, 106, 0.24);
}

.project-card:hover img {
  transform: scale(1.06);
}

.project-card:hover::after {
  opacity: 1;
  transform: translateX(0);
}

.project-card > *:not(picture) {
  position: relative;
  z-index: 3;
}

.project-card h3 {
  margin-top: 26px;
  color: var(--text);
  font-size: clamp(1rem, 1.2vw, 1.18rem);
}

.project-domain {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  margin-top: 20px;
  padding-top: 12px;
  border-top: 1px solid rgba(232, 217, 168, 0.3);
  color: var(--gold-soft);
  font-size: 0.74rem;
  font-weight: 900;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.projects-section .section-heading {
  margin-bottom: 30px;
}

.project-domain span {
  transition: transform 180ms ease;
}

.project-card:hover .project-domain span {
  transform: translateX(4px);
}

.earth-section {
  min-height: 560px;
}

.earth-section::after {
  content: "";
  position: absolute;
  right: clamp(28px, 8vw, 120px);
  top: 50%;
  z-index: 1;
  width: min(30vw, 360px);
  aspect-ratio: 1;
  border: 1px solid rgba(200, 169, 106, 0.16);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(232, 217, 168, 0.18), transparent 7%),
    repeating-conic-gradient(from 12deg, rgba(232, 217, 168, 0.12) 0 1deg, transparent 1deg 18deg);
  opacity: 0.42;
  transform: translateY(-50%);
  pointer-events: none;
}

.earth-layout,
.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 24px;
  align-items: stretch;
}

.earth-panel,
.earth-copy,
.contact-box {
  background:
    linear-gradient(145deg, rgba(232, 217, 168, 0.1), rgba(20, 54, 41, 0.24)),
    rgba(11, 31, 24, 0.66);
  backdrop-filter: blur(10px);
}

.earth-panel,
.earth-copy {
  padding: 38px;
}

.earth-panel h2 span {
  display: block;
  margin-top: 20px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.9;
}

.earth-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.earth-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  margin-top: 24px;
}

.text-link {
  display: inline-flex;
  width: fit-content;
  color: var(--gold-soft);
  font-weight: 900;
  border-bottom: 1px solid currentColor;
  transition:
    color 180ms ease,
    text-shadow 180ms ease;
}

.text-link:hover {
  color: #fff8ed;
  text-shadow: 0 0 18px rgba(232, 217, 168, 0.28);
}

.network-section {
  padding-top: 76px;
}

.network-links {
  position: relative;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 18px;
}

.network-links::before {
  content: "";
  position: absolute;
  top: 50%;
  right: 2%;
  left: 2%;
  z-index: 0;
  border-top: 1px dashed rgba(200, 169, 106, 0.4);
}

.network-links a {
  position: relative;
  display: flex;
  z-index: 1;
  min-height: 120px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 16px 12px;
  color: var(--gold-soft);
  background:
    radial-gradient(circle at 100% 0%, rgba(232, 217, 168, 0.16), transparent 42%),
    linear-gradient(145deg, rgba(27, 63, 49, 0.82), rgba(11, 31, 24, 0.82));
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.38;
  text-align: center;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.network-links a::after {
  content: "";
  display: none;
}

.network-icon {
  display: block;
  color: var(--gold);
  font-family: var(--sans);
  font-size: 1.8rem;
  line-height: 1;
  margin-bottom: 10px;
  text-shadow: 0 0 18px rgba(200, 169, 106, 0.26);
}

.network-links a:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  color: #fff8ed;
  box-shadow:
    var(--shadow),
    0 0 30px rgba(200, 169, 106, 0.18);
}

.network-links a:hover::after {
  transform: translateX(4px);
}

.news-section,
.contact-section {
  background:
    radial-gradient(circle at 12% 8%, rgba(200, 169, 106, 0.1), transparent 28%),
    linear-gradient(180deg, var(--bg-soft), var(--bg));
}

.news-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.news-links a {
  position: relative;
  display: flex;
  min-height: 172px;
  overflow: hidden;
  flex-direction: column;
  justify-content: flex-end;
  gap: 7px;
  padding: 22px;
  background: rgba(11, 31, 24, 0.68);
  backdrop-filter: blur(8px);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.news-links picture,
.news-links a::before {
  position: absolute;
  inset: 0;
}

.news-links picture {
  z-index: 0;
}

.news-links img {
  height: 100%;
  object-fit: cover;
  transition: transform 420ms ease;
}

.news-links a::before {
  content: "";
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(6, 20, 15, 0.04), rgba(6, 20, 15, 0.88)),
    linear-gradient(135deg, rgba(20, 54, 41, 0.32), rgba(6, 20, 15, 0.46));
  pointer-events: none;
}

.news-links a > *:not(picture) {
  position: relative;
  z-index: 2;
}

.news-links a:hover {
  transform: translateX(5px);
  border-color: var(--line-strong);
  box-shadow: 0 0 30px rgba(200, 169, 106, 0.16);
}

.news-links a:hover img {
  transform: scale(1.06);
}

.news-links span {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
}

.news-links strong {
  color: var(--text);
  font-size: 1.2rem;
}

.news-links em {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: 8px;
  padding: 7px 34px 7px 12px;
  border: 1px solid rgba(200, 169, 106, 0.54);
  color: var(--gold-soft);
  font-style: normal;
  font-size: 0.78rem;
  font-weight: 900;
}

.contact-section {
  padding-bottom: 96px;
}

.contact-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 48px;
}

.contact-backdrop img {
  object-position: center;
}

.mail-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 12px 20px;
  border: 1px solid var(--gold);
  border-radius: 6px;
  color: var(--gold-soft);
  background: rgba(6, 20, 15, 0.42);
  font-family: var(--serif);
  font-size: clamp(1.12rem, 2.3vw, 1.9rem);
  font-weight: 900;
  line-height: 1.35;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.mail-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 32px rgba(200, 169, 106, 0.26);
}

.site-footer {
  display: grid;
  gap: 22px;
  padding: 42px clamp(18px, 4vw, 54px) 48px;
  border-top: 1px solid rgba(232, 217, 168, 0.18);
  background:
    radial-gradient(circle at 88% 0%, rgba(200, 169, 106, 0.1), transparent 24%),
    var(--bg);
}

.footer-brand {
  display: grid;
  gap: 6px;
}

.footer-brand strong {
  font-family: var(--serif);
  font-size: 1.12rem;
}

.footer-brand span {
  color: var(--dim);
  font-size: 0.88rem;
}

.reveal {
  animation: fadeRise 700ms ease both;
}

@supports (animation-timeline: view()) {
  .reveal {
    animation-timeline: view();
    animation-range: entry 8% cover 28%;
  }
}

@keyframes fadeRise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slowZoom {
  from {
    transform: scale(1);
  }

  to {
    transform: scale(1.055);
  }
}

@keyframes driftLight {
  from {
    transform: translate3d(-1.4%, -1%, 0) scale(1);
    opacity: 0.28;
  }

  to {
    transform: translate3d(1.4%, 1%, 0) scale(1.04);
    opacity: 0.5;
  }
}

@media (max-width: 1080px) {
  .concept-layout,
  .earth-layout,
  .news-layout {
    grid-template-columns: 1fr;
  }

  .concept-copy {
    border-left: 1px solid var(--line);
  }

  .concept-digest {
    margin-top: 16px;
    padding-left: 0;
  }

  .concept-digest,
  .field-grid,
  .project-grid,
  .news-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 860px) {
  html {
    scroll-padding-top: 134px;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 14px 18px;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }

  .site-nav a {
    font-size: 0.72rem;
  }

  .hero-content {
    padding: 140px 0 58px;
  }

  .hero-overlay,
  .image-overlay {
    background:
      linear-gradient(180deg, rgba(6, 20, 15, 0.82), rgba(6, 20, 15, 0.58) 44%, rgba(6, 20, 15, 0.94)),
      linear-gradient(90deg, rgba(6, 20, 15, 0.82), rgba(6, 20, 15, 0.34));
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  .brand {
    font-size: 0.86rem;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .hero {
    min-height: 100svh;
  }

  .hero-content,
  .section-inner {
    width: min(100% - 34px, 1160px);
  }

  .hero .eyebrow {
    max-width: 100%;
    font-size: 0.68rem;
  }

  .hero h1 {
    font-size: clamp(2.64rem, 13.4vw, 3.92rem);
  }

  .hero h1 span {
    font-size: clamp(1.26rem, 5.8vw, 1.76rem);
  }

  .hero-copy {
    font-size: 0.96rem;
  }

  .hero-copy br {
    display: none;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 78px 0;
  }

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

  .concept-digest,
  .field-grid,
  .project-grid,
  .network-links,
  .news-links {
    grid-template-columns: 1fr;
  }

  .section-visual {
    min-height: 320px;
  }

  .concept-digest article,
  .field-card,
  .project-card,
  .earth-panel,
  .earth-copy,
  .contact-box {
    padding: 22px;
  }

  .project-card {
    min-height: 308px;
  }

  .network-links a {
    min-height: 82px;
  }

  .contact-box {
    grid-template-columns: 1fr;
  }

  .mail-link {
    width: 100%;
    overflow-wrap: anywhere;
  }
}

@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;
  }
}

/* ==========================================================================
   Note Section
   ========================================================================== */
.note-section {
  position: relative;
  padding: 96px 0;
  border-bottom: 1px solid rgba(200, 169, 106, 0.32);
  background:
    radial-gradient(circle at 12% 8%, rgba(200, 169, 106, 0.13), transparent 30%),
    radial-gradient(circle at 86% 18%, rgba(91, 124, 82, 0.16), transparent 28%),
    linear-gradient(180deg, rgba(11, 31, 24, 0.96), var(--bg));
  overflow: hidden;
}

.note-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(200, 169, 106, 0.08), transparent 28%, transparent 72%, rgba(200, 169, 106, 0.08)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 190px);
  opacity: 0.46;
}

.note-section .section-heading {
  position: relative;
  max-width: 920px;
  margin: 0 auto 52px;
  text-align: center;
}

.note-section .section-kicker {
  margin: 0 0 16px;
  color: var(--gold-soft);
  font-size: 0.75rem;
  font-weight: 900;
  line-height: 1.5;
  text-transform: uppercase;
}

.note-section .section-heading h2 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.1;
  font-size: clamp(2rem, 4.6vw, 3.72rem);
  margin: 0;
}

.note-section .section-heading p {
  margin: 18px 0 0;
  color: var(--muted);
}

.note-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  max-width: min(1360px, calc(100% - 44px));
  margin: 36px auto 0;
}

.note-loading,
.note-error {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
  font-family: var(--serif);
}

.note-loading {
  font-size: 1.1rem;
}

.note-error p {
  margin: 0 0 12px;
}

.note-error-sub {
  font-size: 0.9rem;
  color: var(--dim);
  margin-bottom: 24px;
}

.note-error-btn {
  display: inline-flex;
}

.note-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(20, 54, 41, 0.88), rgba(6, 20, 15, 0.96)),
    rgba(11, 31, 24, 0.86);
  box-shadow:
    0 18px 54px rgba(0, 0, 0, 0.34),
    inset 0 1px 0 rgba(232, 217, 168, 0.08);
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.note-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line-soft);
  margin: 0;
}

.note-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 420ms ease;
}

.note-thumb::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 52%;
  background: linear-gradient(180deg, transparent, rgba(6, 20, 15, 0.58));
  pointer-events: none;
}

.note-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 16px;
}

.note-date {
  color: var(--gold-warm);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.note-card-body h3 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
  display: -webkit-box;
  line-clamp: 3;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.note-card-body p:not(.note-date) {
  margin: 0 0 16px;
  color: var(--dim);
  font-size: 0.84rem;
  line-height: 1.6;
  display: -webkit-box;
  line-clamp: 3;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.note-more {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  color: var(--gold-soft);
  font-size: 0.76rem;
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 180ms ease;
}

/* Hover Effects */
.note-card:hover {
  transform: translateY(-5px);
  border-color: var(--gold);
  box-shadow:
    var(--shadow),
    0 0 32px rgba(200, 169, 106, 0.22);
}

.note-card:hover .note-thumb img {
  transform: scale(1.05);
}

.note-card:hover .note-more {
  color: #fff8ed;
}

.section-actions {
  position: relative;
  display: flex;
  justify-content: center;
  margin-top: 36px;
}

/* Custom button btn-outline */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  min-height: 52px;
  overflow: hidden;
  padding: 12px 22px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1.35;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.btn-outline {
  border: 1px solid var(--gold);
  color: var(--gold-soft);
  background: rgba(11, 31, 24, 0.72);
}

.btn-outline::before {
  content: "";
  position: absolute;
  inset: -120% -30%;
  background: radial-gradient(circle, rgba(232, 217, 168, 0.28), transparent 50%);
  opacity: 0;
  transform: scale(0.72);
  transition:
    opacity 200ms ease,
    transform 200ms ease;
}

.btn-outline:hover {
  transform: translateY(-3px);
  color: #fff8ed;
  border-color: var(--gold-soft);
  box-shadow: 0 0 34px rgba(200, 169, 106, 0.24);
  background: rgba(27, 63, 49, 0.82);
}

.btn-outline:hover::before {
  opacity: 1;
  transform: scale(1);
}

/* Scroll reveal for Note section */
.section-reveal {
  animation: fadeRise 700ms ease both;
}

@supports (animation-timeline: view()) {
  .section-reveal {
    animation-timeline: view();
    animation-range: entry 8% cover 28%;
  }
}

/* Responsive Styles for Note Section */
@media (max-width: 1100px) {
  .note-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .note-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .note-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   YouTube Section
   ========================================================================== */
.youtube-section {
  position: relative;
  padding: 96px 0;
  border-bottom: 1px solid rgba(200, 169, 106, 0.32);
  background:
    radial-gradient(circle at 86% 8%, rgba(200, 169, 106, 0.13), transparent 30%),
    radial-gradient(circle at 12% 18%, rgba(91, 124, 82, 0.16), transparent 28%),
    linear-gradient(180deg, var(--bg), rgba(11, 31, 24, 0.96));
  overflow: hidden;
}

.youtube-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(200, 169, 106, 0.08), transparent 28%, transparent 72%, rgba(200, 169, 106, 0.08)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 190px);
  opacity: 0.46;
}

.youtube-section .section-heading {
  position: relative;
  max-width: 920px;
  margin: 0 auto 52px;
  text-align: center;
}

.youtube-section .section-kicker {
  margin: 0 0 16px;
  color: var(--gold-soft);
  font-size: 0.75rem;
  font-weight: 900;
  line-height: 1.5;
  text-transform: uppercase;
}

.youtube-section .section-heading h2 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.1;
  font-size: clamp(2rem, 4.6vw, 3.72rem);
  margin: 0;
}

.youtube-section .section-heading p {
  margin: 18px 0 0;
  color: var(--muted);
}

.youtube-grid {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.youtube-loading,
.youtube-error {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 0;
  color: var(--muted);
}

.youtube-error-button {
  margin-top: 16px;
}

.youtube-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(200, 169, 106, .45);
  border-radius: 18px;
  background: rgba(6, 20, 15, .78);
  color: inherit;
  text-decoration: none;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.youtube-card:hover {
  transform: translateY(-4px);
  border-color: rgba(232, 217, 168, .9);
  box-shadow: 0 18px 45px rgba(0, 0, 0, .28);
}

.youtube-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  margin: 0;
}

.youtube-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.youtube-card:hover .youtube-thumb img {
  transform: scale(1.06);
}

.youtube-play-icon {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: 54px;
  height: 54px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(0,0,0,.55);
  color: #E8D9A8;
  border: 1px solid rgba(232,217,168,.75);
}

.youtube-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px;
}

.youtube-date {
  color: #C8A96A;
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: 10px;
  font-size: 0.85rem;
}

.youtube-card-body h3 {
  font-size: 1.15rem;
  line-height: 1.4;
  font-weight: 700;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0 0 12px;
  color: var(--text);
}

.youtube-card-body p:not(.youtube-date) {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--dim);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0 0 16px;
}

.youtube-more {
  margin-top: auto;
  color: #E8D9A8;
  font-weight: 700;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .youtube-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .youtube-grid {
    grid-template-columns: 1fr;
  }
}