:root {
  --ink: #30384f;
  --deep: #1d2438;
  --lime: #c9fb7f;
  --lime-strong: #a8ef4f;
  --paper: #fbfcf7;
  --mist: #edf3e7;
  --line: rgba(48, 56, 79, 0.14);
  --white: #ffffff;
  --shadow: 0 28px 80px rgba(29, 36, 56, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 20%, rgba(201, 251, 127, 0.5), transparent 26%),
    linear-gradient(135deg, #ffffff 0%, #f6faef 48%, #e9f2e0 100%);
  color: var(--ink);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.8;
}

body::before {
  position: fixed;
  inset: 84px clamp(16px, 4vw, 52px) 24px;
  z-index: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(48, 56, 79, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(48, 56, 79, 0.06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 18%, black 82%, transparent 100%);
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(251, 252, 247, 0.84);
  border-bottom: 1px solid rgba(48, 56, 79, 0.08);
  backdrop-filter: blur(18px);
}

main,
.site-footer {
  position: relative;
  z-index: 1;
}

.brand img {
  width: 174px;
  height: auto;
  mix-blend-mode: multiply;
}

.nav {
  display: flex;
  gap: clamp(18px, 3vw, 38px);
  font-family: "Outfit", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}

.nav a {
  position: relative;
}

.nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--lime-strong);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.nav a:hover::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  overflow: clip;
}

#experiment-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  opacity: 0.62;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  width: min(1180px, calc(100% - 40px));
  min-height: clamp(620px, 82svh, 820px);
  margin: 0 auto;
  padding: 128px 0 56px;
}

.hero-copy {
  max-width: 860px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--ink);
  font-family: "Outfit", sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.22;
}

h1 {
  color: var(--deep);
  font-size: clamp(48px, 8vw, 104px);
  font-weight: 900;
}

.hero-title-line {
  display: block;
  white-space: nowrap;
}

.lead {
  max-width: 640px;
  margin: 28px 0 0;
  font-size: clamp(16px, 1.55vw, 19px);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary,
button {
  color: var(--deep);
  background: var(--lime);
  box-shadow: 0 14px 34px rgba(168, 239, 79, 0.3);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.58);
}

.number {
  display: block;
  color: rgba(48, 56, 79, 0.58);
  font-family: "Outfit", sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(82px, 10vw, 132px) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: clamp(22px, 5vw, 70px);
  align-items: start;
  margin-bottom: clamp(32px, 5vw, 58px);
}

.section-heading h2 {
  color: var(--deep);
  font-size: clamp(30px, 4.3vw, 56px);
  font-weight: 900;
}

.values {
  padding-top: clamp(72px, 9vw, 112px);
}

.values-panel,
.company-panel {
  display: grid;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.company-panel .section-heading {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.business-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.value-item {
  padding: clamp(24px, 3vw, 34px) 0;
  border-top: 1px solid rgba(48, 56, 79, 0.12);
}

.value-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.value-item:last-child {
  padding-bottom: 0;
}

.value-item p {
  margin: 0 0 20px;
  color: var(--lime-strong);
  font-family: "Outfit", sans-serif;
  font-weight: 800;
}

.value-item h2 {
  margin: 0;
  color: var(--deep);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 900;
  line-height: 1.22;
}

.value-statement {
  line-height: 1.34;
}

.value-statement span {
  display: block;
}

.business {
  color: var(--ink);
}

.business .section-heading h2,
.business .eyebrow {
  color: var(--ink);
}

.business .section-heading {
  display: block;
}

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

.business-item {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: clamp(18px, 3vw, 36px);
  align-items: start;
  padding: clamp(24px, 4vw, 42px);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  border-color: var(--line);
  box-shadow: var(--shadow);
}

.business-item h3 {
  font-size: clamp(24px, 3vw, 34px);
}

.business-item p {
  max-width: 820px;
  margin: 16px 0 0;
  color: rgba(48, 56, 79, 0.76);
}

.number {
  color: var(--lime);
  font-size: 28px;
}

.company-table {
  margin: 0;
  border-top: 1px solid var(--line);
}

.company-table div {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.company-table dt {
  font-weight: 800;
}

.company-table dd {
  margin: 0;
}

.company-business-line {
  display: block;
}

button {
  justify-self: start;
  font-family: inherit;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 34px clamp(20px, 5vw, 72px);
  color: rgba(48, 56, 79, 0.68);
  background: rgba(255, 255, 255, 0.72);
  border-top: 1px solid rgba(48, 56, 79, 0.08);
  backdrop-filter: blur(12px);
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    gap: 14px;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: flex-end;
    row-gap: 8px;
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    padding-top: 128px;
  }

  .value-item {
    padding: 22px 0;
    border-top: 1px solid rgba(48, 56, 79, 0.12);
  }

  .value-item:first-child {
    padding-top: 0;
    border-top: 0;
  }

}

@media (max-width: 640px) {
  .site-header {
    position: absolute;
    padding: 16px 20px;
  }

  .brand img {
    width: 138px;
  }

  .nav {
    display: none;
  }

  h1 {
    font-size: clamp(36px, 10vw, 48px);
  }

  .value-item h2 {
    font-size: clamp(22px, 6.3vw, 28px);
  }

  .hero-inner {
    width: min(100% - 32px, 1180px);
    min-height: 660px;
    padding-top: 108px;
    padding-bottom: 44px;
  }

  .business-item,
  .company-table div {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .company-table div {
    padding: 18px 0;
  }

}