:root {
  color-scheme: light;
  --green-950: #0f422b;
  --green-900: #145a3a;
  --green-800: #1f6f49;
  --green-700: #27865a;
  --green-500: #52c589;
  --green-300: #9edeb9;
  --green-200: #c8f0d9;
  --green-100: #e7f8ee;
  --green-50: #f4fbf7;
  --ink: #163127;
  --text: #354d43;
  --muted: #6e8179;
  --line: #dbe9e1;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(24, 92, 58, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--white);
  background: var(--green-950);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(219, 233, 225, 0.85);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.wordmark,
.footer-wordmark {
  color: var(--ink);
  font-size: 1.24rem;
  font-weight: 850;
  letter-spacing: 0.015em;
  text-decoration: none;
}

.wordmark span,
.footer-wordmark span {
  color: var(--green-700);
}

.header-nav {
  display: flex;
  gap: 30px;
  margin-left: auto;
}

.header-nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.header-nav a:hover,
.header-nav a:focus-visible,
.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--green-700);
}

.header-product-link {
  padding: 9px 17px;
  border: 1px solid var(--green-200);
  border-radius: 999px;
  color: var(--green-800);
  background: var(--green-50);
  font-size: 0.84rem;
  font-weight: 800;
  text-decoration: none;
}

.hero {
  position: relative;
  min-height: 690px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 24%, rgba(82, 197, 137, 0.19), transparent 31%),
    linear-gradient(180deg, #ffffff 0%, #f7fcf9 100%);
}

.hero::before {
  content: "";
  position: absolute;
  left: -140px;
  bottom: -120px;
  width: 330px;
  height: 330px;
  border-radius: 50%;
  background: var(--green-100);
  opacity: 0.68;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
  align-items: center;
  gap: 72px;
  padding-block: 96px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--green-700);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.2em;
}

.hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2.4rem, 5vw, 4.25rem);
  line-height: 1.28;
  letter-spacing: -0.035em;
}

.hero-description {
  max-width: 690px;
  margin: 28px 0 34px;
  color: var(--text);
  font-size: 1.03rem;
}

.primary-cta,
.product-cta,
.closing-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 52px;
  padding: 12px 23px;
  border-radius: 13px;
  color: var(--white);
  background: var(--green-800);
  box-shadow: 0 12px 30px rgba(31, 111, 73, 0.2);
  font-size: 0.94rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.primary-cta:hover,
.product-cta:hover,
.closing-cta:hover {
  background: var(--green-900);
  transform: translateY(-2px);
}

.hero-art {
  position: relative;
  width: min(430px, 100%);
  aspect-ratio: 1;
  justify-self: end;
}

.art-orbit,
.art-center,
.art-leaf {
  position: absolute;
}

.art-orbit {
  inset: 5%;
  border: 1px solid rgba(39, 134, 90, 0.2);
  border-radius: 50%;
}

.art-orbit--inner {
  inset: 20%;
  border-style: dashed;
  transform: rotate(-18deg);
}

.art-center {
  inset: 31%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 35% 65% 58% 42% / 48% 38% 62% 52%;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  transform: rotate(5deg);
}

.art-center span,
.art-center strong {
  transform: rotate(-5deg);
}

.art-center span {
  font-size: clamp(0.96rem, 2vw, 1.18rem);
  font-weight: 800;
}

.art-center strong {
  color: var(--green-700);
  font-size: clamp(1rem, 2.2vw, 1.32rem);
}

.art-leaf {
  width: 74px;
  height: 46px;
  border-radius: 80% 10% 80% 10%;
  background: linear-gradient(140deg, var(--green-300), var(--green-500));
  box-shadow: 0 10px 30px rgba(39, 134, 90, 0.18);
}

.art-leaf--one {
  top: 8%;
  right: 17%;
  transform: rotate(28deg);
}

.art-leaf--two {
  left: 11%;
  bottom: 15%;
  width: 58px;
  height: 38px;
  transform: rotate(196deg);
}

.section {
  padding: 108px 0;
}

.products-section {
  background: var(--white);
}

.section-heading {
  max-width: 650px;
  margin-bottom: 44px;
}

.section-heading h2,
.about-title h2,
.closing-inner h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.38;
  letter-spacing: -0.02em;
}

.section-heading > p:last-child {
  margin: 14px 0 0;
  color: var(--muted);
}

.product-card {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 64px;
  align-items: center;
  padding: 64px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(135deg, var(--white), var(--green-50));
  box-shadow: var(--shadow);
}

.product-label {
  margin: 0 0 10px;
  color: var(--green-700);
  font-size: 0.73rem;
  font-weight: 850;
  letter-spacing: 0.16em;
}

.product-copy h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.3;
}

.product-catch {
  margin: 10px 0 20px;
  color: var(--green-800);
  font-size: 1.24rem;
  font-weight: 800;
}

.product-description {
  margin: 0;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 30px;
  padding: 0;
  list-style: none;
}

.product-features li {
  padding: 6px 12px;
  border: 1px solid var(--green-200);
  border-radius: 999px;
  color: var(--green-800);
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
  font-weight: 750;
}

.product-visual {
  min-height: 360px;
  display: grid;
  place-items: center;
  padding: 38px;
  border-radius: 26px;
  background:
    radial-gradient(circle at 80% 18%, rgba(255, 255, 255, 0.86), transparent 22%),
    linear-gradient(145deg, #daf5e5, #aee4c5);
}

.app-card {
  width: min(330px, 100%);
  padding: 25px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 24px;
  background: rgba(255, 255,255, 0.92);
  box-shadow: 0 22px 52px rgba(20, 90, 58, 0.15);
  transform: rotate(2deg);
}

.app-card-top {
  display: flex;
  align-items: center;
  gap: 13px;
}

.app-card-top div {
  display: flex;
  flex-direction: column;
}

.app-card-top small {
  color: var(--muted);
  font-size: 0.68rem;
}

.app-card-top strong {
  color: var(--ink);
  font-size: 1.12rem;
}

.app-symbol {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 13px;
  color: var(--white);
  background: linear-gradient(145deg, var(--green-500), var(--green-800));
  font-size: 1.3rem;
  font-weight: 900;
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 7px;
  margin: 25px 0 18px;
}

.schedule-grid span {
  height: 26px;
  border-radius: 7px;
  background: var(--green-100);
}

.schedule-grid span:nth-child(3n + 2),
.schedule-grid span:nth-child(4n) {
  background: var(--green-300);
}

.app-card-note {
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--green-800);
  font-size: 0.76rem;
  font-weight: 800;
  text-align: center;
}

.about-section {
  background: var(--green-50);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 90px;
  align-items: start;
}

.about-copy {
  padding: 8px 0 8px 34px;
  border-left: 2px solid var(--green-300);
}

.about-copy p {
  margin: 0;
  font-size: 1.04rem;
}

.about-copy p + p {
  margin-top: 20px;
}

.closing-section {
  padding: 104px 0;
  color: var(--white);
  background:
    radial-gradient(circle at 85% 15%, rgba(158, 222, 185, 0.18), transparent 28%),
    var(--green-900);
}

.closing-inner {
  text-align: center;
}

.closing-kicker {
  margin: 0 0 14px;
  color: var(--green-200);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.2em;
}

.closing-inner h2 {
  color: var(--white);
}

.closing-inner > p:not(.closing-kicker) {
  margin: 20px 0 30px;
  color: #d9eee2;
}

.closing-cta {
  color: var(--green-950);
  background: var(--white);
  box-shadow: none;
}

.closing-cta:hover {
  color: var(--green-950);
  background: var(--green-100);
}

.site-footer {
  padding: 54px 0 24px;
  border-top: 1px solid var(--line);
  background: var(--white);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
}

.footer-wordmark {
  display: inline-block;
}

.footer-inner p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 24px;
}

.footer-nav a {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

.copyright {
  margin-top: 38px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.74rem;
}

@media (max-width: 860px) {
  .hero {
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 54px;
    padding-block: 76px;
  }

  .hero-art {
    width: min(390px, 80vw);
    justify-self: center;
  }

  .product-card {
    grid-template-columns: 1fr;
    gap: 44px;
    padding: 46px;
  }

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

  .about-copy {
    padding-left: 24px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 32px, 1120px);
  }

  .header-inner {
    min-height: 64px;
    gap: 16px;
  }

  .wordmark {
    font-size: 1.08rem;
  }

  .header-nav {
    display: none;
  }

  .header-product-link {
    margin-left: auto;
    padding: 7px 12px;
    font-size: 0.76rem;
  }

  .hero-grid {
    gap: 38px;
    padding-block: 62px 68px;
  }

  .hero h1 {
    font-size: clamp(2.18rem, 11vw, 3.1rem);
    line-height: 1.34;
  }

  .hero-description {
    margin: 22px 0 28px;
    font-size: 0.94rem;
  }

  .desktop-break {
    display: none;
  }

  .primary-cta,
  .product-cta,
  .closing-cta {
    width: 100%;
  }

  .hero-art {
    width: min(310px, 82vw);
  }

  .art-leaf {
    width: 58px;
    height: 37px;
  }

  .section {
    padding: 76px 0;
  }

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

  .section-heading h2,
  .about-title h2,
  .closing-inner h2 {
    font-size: 2rem;
  }

  .product-card {
    gap: 34px;
    padding: 28px 20px;
    border-radius: 24px;
  }

  .product-copy h3 {
    font-size: 2.25rem;
  }

  .product-catch {
    font-size: 1.08rem;
  }

  .product-description br {
    display: none;
  }

  .product-visual {
    min-height: 285px;
    padding: 22px 16px;
  }

  .app-card {
    padding: 20px;
  }

  .about-copy {
    padding-left: 18px;
  }

  .about-copy p {
    font-size: 0.96rem;
  }

  .closing-section {
    padding: 76px 0;
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-nav {
    justify-content: flex-start;
  }
}

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

  .primary-cta,
  .product-cta,
  .closing-cta {
    transition: none;
  }
}