:root {
  --bg: #f5f7ef;
  --bg-soft: #edf4e8;
  --ink: #17251c;
  --muted: #617066;
  --line: rgba(23, 37, 28, 0.14);
  --green: #1d7a52;
  --green-deep: #0e5034;
  --green-soft: #dbeedc;
  --blue-green: #2b7f77;
  --white: #ffffff;
  --shadow: 0 28px 90px rgba(14, 80, 52, 0.13);
  --radius-lg: 34px;
  --radius-md: 22px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  background: var(--green-deep);
  color: var(--white);
}

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

p,
h1,
h2,
h3 {
  margin: 0;
}

img {
  max-width: 100%;
}

.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-progress {
  position: fixed;
  left: 0;
  top: 0;
  width: 0%;
  height: 3px;
  z-index: 1000;
  background: linear-gradient(90deg, var(--green), var(--blue-green));
}

.cursor-dot {
  position: fixed;
  left: 0;
  top: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(29, 122, 82, 0.8);
  pointer-events: none;
  z-index: 999;
  transform: translate(-50%, -50%);
  mix-blend-mode: multiply;
}

.site-header {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: min(calc(100% - 40px), 1180px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px 14px 22px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(245, 247, 239, 0.78);
  backdrop-filter: blur(18px);
  border-radius: 999px;
  box-shadow: 0 16px 60px rgba(23, 37, 28, 0.08);
  z-index: 100;
  transition: 0.3s ease;
}

.site-header.is-scrolled {
  top: 12px;
  width: min(calc(100% - 28px), 1080px);
  padding-block: 10px;
}

.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.logo span {
  font-size: 1.12rem;
}

.logo small {
  font-size: 0.62rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.desktop-nav {
  display: flex;
  gap: 8px;
  align-items: center;
}

.desktop-nav a {
  font-size: 0.78rem;
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 999px;
  transition: 0.25s ease;
}

.desktop-nav a:hover {
  color: var(--green-deep);
  background: rgba(29, 122, 82, 0.08);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-button span:not(.sr-only) {
  width: 17px;
  height: 1px;
  background: var(--white);
  transition: 0.25s ease;
}

.menu-button.is-active span:first-child {
  transform: translateY(3px) rotate(45deg);
}

.menu-button.is-active span:nth-child(2) {
  transform: translateY(-3px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  display: none;
  place-content: center;
  align-content: center;
  justify-items: center;
  gap: 24px;
  background: rgba(245, 247, 239, 0.96);
  backdrop-filter: blur(20px);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: 0.3s ease;
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu a {
  display: block;
  font-size: clamp(1.4rem, 7vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  text-align: center;
}

.hero {
  position: relative;
  min-height: 100svh;
  max-width: var(--max);
  margin: 0 auto;
  padding: 150px 24px 90px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.8fr);
  gap: 60px;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  top: 72px;
  right: -18vw;
  width: 54vw;
  max-width: 720px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(29, 122, 82, 0.16), rgba(43, 127, 119, 0.06) 58%, transparent 72%);
  z-index: -1;
}

.eyebrow {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green-deep);
}

.hero h1 {
  margin-top: 20px;
  font-size: clamp(2.55rem, 6vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.08em;
  font-weight: 800;
}

.lead {
  margin-top: 30px;
  max-width: 570px;
  color: var(--muted);
  line-height: 2;
  font-size: clamp(0.95rem, 1.5vw, 1.08rem);
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  align-items: center;
  gap: 26px;
}

.pill-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  color: var(--white);
  background: var(--ink);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  overflow: hidden;
  position: relative;
  transition: transform 0.25s ease, background 0.25s ease;
}

.pill-button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.24), transparent);
  transform: translateX(-100%);
  transition: 0.6s ease;
}

.pill-button:hover {
  transform: translateY(-3px);
  background: var(--green-deep);
}

.pill-button:hover::after {
  transform: translateX(100%);
}

.pill-button.light {
  background: var(--white);
  color: var(--green-deep);
}

.scroll-note {
  position: relative;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-left: 54px;
}

.scroll-note::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 40px;
  height: 1px;
  background: var(--line);
}

.hero-visual {
  position: relative;
  min-height: 560px;
  border-radius: 45% 55% 48% 52%;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.12)),
    radial-gradient(circle at 64% 28%, rgba(255, 255, 255, 0.78), transparent 32%),
    linear-gradient(135deg, #cae6c9, #8bc4a4 48%, #216c52);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 34px;
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: 48% 52% 50% 50%;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto -120px -80px 18%;
  height: 240px;
  background: rgba(255, 255, 255, 0.22);
  transform: rotate(-12deg);
  border-radius: 999px;
}

.main-sphere {
  position: absolute;
  right: 15%;
  bottom: 16%;
  width: 160px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffffff, #bfe6c7 35%, #0e5034 78%);
  opacity: 0.62;
  animation: float 7s ease-in-out infinite;
}

.orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.46);
}

.orbit-1 {
  width: 520px;
  height: 190px;
  left: -78px;
  top: 160px;
  transform: rotate(-28deg);
}

.orbit-2 {
  width: 420px;
  height: 130px;
  right: -110px;
  bottom: 96px;
  transform: rotate(18deg);
}

.floating-card {
  position: absolute;
  min-width: 170px;
  padding: 18px 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 50px rgba(14, 80, 52, 0.16);
}

.floating-card span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.floating-card strong {
  display: block;
  margin-top: 6px;
  font-size: 1rem;
}

.card-top {
  left: 38px;
  top: 78px;
}

.card-bottom {
  right: 28px;
  bottom: 88px;
}

.intro-band {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.intro-band p {
  min-height: 86px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: clamp(0.8rem, 1.4vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-align: center;
  border-right: 1px solid var(--line);
}

.intro-band p:last-child {
  border-right: 0;
}

.section {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: 120px 0;
}

.purpose {
  display: grid;
  grid-template-columns: 0.32fr 1fr;
  gap: 70px;
  align-items: start;
}

.section-label {
  position: sticky;
  top: 120px;
  display: grid;
  gap: 10px;
}

.section-label span {
  color: rgba(23, 37, 28, 0.18);
  font-size: clamp(1.5rem, 3vw, 2.6rem);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.06em;
}

.section-label span:first-child {
  color: var(--green-deep);
}

.purpose-body {
  display: grid;
  gap: 44px;
}

.purpose-heading h2,
.section-title h2,
.split-copy h2,
.contact h2 {
  margin-top: 14px;
  font-size: clamp(1.8rem, 3.6vw, 3.4rem);
  line-height: 1.22;
  letter-spacing: -0.06em;
  font-weight: 800;
}

.purpose-text {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  color: var(--muted);
  line-height: 2.05;
  font-size: 0.95rem;
}

.statement {
  padding-top: 30px;
}

.statement-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: clamp(32px, 6vw, 74px);
  min-height: 410px;
  display: grid;
  align-content: end;
  background:
    linear-gradient(120deg, rgba(16, 74, 48, 0.86), rgba(26, 112, 76, 0.68)),
    radial-gradient(circle at 78% 20%, rgba(255, 255, 255, 0.33), transparent 32%),
    linear-gradient(135deg, #d4efd5, #80baa0);
  color: var(--white);
  box-shadow: var(--shadow);
}

.statement-card::before,
.statement-card::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.26);
}

.statement-card::before {
  width: 560px;
  height: 190px;
  right: -110px;
  top: 28px;
  transform: rotate(-18deg);
}

.statement-card::after {
  width: 380px;
  height: 132px;
  left: -90px;
  bottom: 40px;
  transform: rotate(18deg);
}

.statement-card > * {
  position: relative;
  z-index: 1;
}

.statement-card span {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.78;
}

.statement-card h2 {
  margin-top: 16px;
  max-width: 820px;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.07em;
}

.statement-card p {
  margin-top: 22px;
  max-width: 670px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.95;
  font-size: 0.95rem;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 48px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.service-card {
  min-height: 270px;
  padding: 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: 0 16px 55px rgba(23, 37, 28, 0.06);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  transform-style: preserve-3d;
}

.service-card:hover {
  box-shadow: 0 26px 80px rgba(14, 80, 52, 0.13);
}

.service-number {
  color: var(--green);
  font-size: 0.85rem;
  font-weight: 800;
}

.service-card h3 {
  margin-top: auto;
  font-size: 1.3rem;
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.service-card p {
  margin-top: 18px;
  color: var(--muted);
  line-height: 1.85;
  font-size: 0.86rem;
}

.split-section {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 70px;
  align-items: center;
}

.split-copy p:not(.eyebrow) {
  margin-top: 28px;
  color: var(--muted);
  line-height: 2;
  font-size: 0.95rem;
}

.split-visual {
  position: relative;
  min-height: 470px;
}

.diagonal-photo {
  position: absolute;
  border-radius: 999px;
  box-shadow: var(--shadow);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.diagonal-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.32), rgba(14, 80, 52, 0.14));
}

.photo-a {
  width: 70%;
  height: 190px;
  right: 8%;
  top: 36px;
  transform: rotate(-13deg);
  background: linear-gradient(135deg, #e7f5d7, #7fbf94 52%, #0e5034);
}

.photo-b {
  width: 86%;
  height: 230px;
  left: 0;
  top: 160px;
  transform: rotate(9deg);
  background: linear-gradient(135deg, #f9fff2, #9fd1af, #2a8174);
}

.photo-c {
  width: 48%;
  height: 150px;
  right: 0;
  bottom: 18px;
  transform: rotate(-9deg);
  background: linear-gradient(135deg, #ffffff, #c3e4c6, #4e9d71);
}

.news {
  padding-top: 70px;
}

.news-list {
  border-top: 1px solid var(--line);
}

.news-item {
  display: grid;
  grid-template-columns: 130px 116px 1fr;
  gap: 24px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 0.25s ease, color 0.25s ease;
}

.news-item:hover {
  padding-left: 16px;
  color: var(--green-deep);
}

.news-item time,
.news-item span {
  font-size: 0.78rem;
  color: var(--muted);
}

.news-item span {
  width: fit-content;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.news-item p {
  font-size: 0.95rem;
  line-height: 1.75;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.link-card {
  position: relative;
  overflow: hidden;
  min-height: 210px;
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--white);
  border: 1px solid rgba(23, 37, 28, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: 0.3s ease;
}

.link-card::after {
  content: "→";
  position: absolute;
  right: 24px;
  top: 22px;
  color: var(--green);
  transform: translateX(-8px);
  opacity: 0;
  transition: 0.25s ease;
}

.link-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

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

.link-card span {
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 800;
}

.link-card strong {
  margin-top: auto;
  font-size: 1.28rem;
  letter-spacing: -0.04em;
}

.link-card small {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.8rem;
}

.contact {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto 24px;
  padding: 90px clamp(28px, 7vw, 88px);
  border-radius: var(--radius-lg);
  background: var(--green-deep);
  color: var(--white);
  overflow: hidden;
  position: relative;
}

.contact::before {
  content: "";
  position: absolute;
  right: -140px;
  top: -160px;
  width: 460px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
}

.contact-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.contact .eyebrow {
  color: rgba(255, 255, 255, 0.74);
}

.contact p:not(.eyebrow) {
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.9;
}

.contact .pill-button {
  margin-top: 32px;
}

.footer {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: 30px 0 50px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 0.82rem;
}

.footer strong {
  display: block;
  color: var(--ink);
  letter-spacing: 0.1em;
}

.footer p {
  margin-top: 6px;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.text-reveal {
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.1s cubic-bezier(.19, 1, .22, 1), opacity 0.8s ease, transform 0.8s ease;
}

.text-reveal.is-visible {
  clip-path: inset(0 0 0 0);
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-18px);
  }
}

@media (max-width: 960px) {
  .cursor-dot {
    display: none;
  }

  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: flex;
  }

  .mobile-menu {
    display: grid;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 132px;
  }

  .hero-visual {
    min-height: 440px;
  }

  .intro-band,
  .purpose-text,
  .service-grid,
  .split-section,
  .link-grid {
    grid-template-columns: 1fr 1fr;
  }

  .purpose {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .section-label {
    position: static;
    display: flex;
    overflow: hidden;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 640px) {
  .site-header {
    width: calc(100% - 24px);
    top: 12px;
  }

  .site-header.is-scrolled {
    width: calc(100% - 24px);
  }

  .logo small {
    display: none;
  }

  .hero,
  .section,
  .intro-band,
  .contact,
  .footer {
    width: calc(100% - 28px);
  }

  .hero {
    padding-inline: 0;
    gap: 42px;
  }

  .hero h1 {
    font-size: clamp(2.3rem, 13vw, 3.55rem);
  }

  .hero-visual {
    min-height: 340px;
    border-radius: 38px;
  }

  .floating-card {
    min-width: 132px;
    padding: 14px;
  }

  .card-top {
    left: 18px;
    top: 44px;
  }

  .card-bottom {
    right: 12px;
    bottom: 50px;
  }

  .main-sphere {
    width: 110px;
  }

  .intro-band,
  .purpose-text,
  .service-grid,
  .split-section,
  .link-grid {
    grid-template-columns: 1fr;
  }

  .intro-band p {
    min-height: 64px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .intro-band p:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 80px 0;
  }

  .section-title {
    display: block;
  }

  .statement-card {
    min-height: 360px;
  }

  .statement-card h2 {
    font-size: clamp(1.75rem, 10vw, 2.7rem);
  }

  .split-visual {
    min-height: 330px;
  }

  .photo-a {
    height: 130px;
  }

  .photo-b {
    height: 160px;
  }

  .photo-c {
    height: 112px;
  }

  .contact {
    padding: 64px 24px;
    border-radius: 28px;
  }

  .footer {
    display: grid;
  }
}