:root {
  --green-deep: #071b17;
  --green-dark: #09251f;
  --green: #32d27b;
  --green-soft: #dff0e8;
  --white: #ffffff;
  --ink: #f6fbf8;
  --text: #10241c;
  --muted: #c7d8cf;
  --line: rgba(255, 255, 255, 0.14);
  --dark-line: rgba(7, 27, 23, 0.14);
  --instagram: linear-gradient(135deg, #f58529 0%, #dd2a7b 44%, #8134af 78%, #515bd4 100%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--green-deep);
  font-family: "Yu Gothic", "Meiryo", system-ui, sans-serif;
}

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

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

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

p {
  font-size: 16px;
  line-height: 1.9;
  font-weight: 700;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 0 72px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 27, 23, 0.96);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 330px;
}

.brand img {
  width: 148px;
  height: 58px;
  object-fit: contain;
  border-radius: 10px;
  background: #fff;
}

.brand strong {
  display: block;
  font-size: 28px;
  line-height: 1;
  font-weight: 950;
}

.brand small {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
  font-weight: 950;
}

.insta-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 950;
  white-space: nowrap;
}

.insta-cta,
.button.instagram {
  color: #fff;
  background: var(--instagram);
  box-shadow: 0 18px 40px rgba(221, 42, 123, 0.32);
}

.button.ghost {
  border: 2px solid rgba(255, 255, 255, 0.42);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  position: relative;
  min-height: 740px;
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: 50px;
  padding: 92px 72px 76px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(7, 27, 23, 0.98) 0%, rgba(7, 27, 23, 0.9) 47%, rgba(7, 27, 23, 0.22) 100%),
    url("assets/hero-electric.png") center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 110px;
  background: linear-gradient(180deg, transparent, var(--green-deep));
}

.hero-copy,
.info-panel {
  position: relative;
  z-index: 1;
}

.hero-copy {
  align-self: center;
  max-width: 760px;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--green);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(54px, 6.4vw, 88px);
  line-height: 1.08;
  font-weight: 950;
  letter-spacing: 0;
}

h1 span {
  color: var(--green);
}

h2 {
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.16;
  font-weight: 950;
}

h3 {
  font-size: 24px;
  line-height: 1.35;
  font-weight: 950;
}

.hero-lead {
  margin-top: 28px;
  max-width: 710px;
  color: #edf7f1;
  font-size: 20px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}

.info-panel {
  align-self: center;
  padding: 36px;
  border-radius: 10px;
  color: #0b211b;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.3);
}

.info-panel h2 {
  font-size: 31px;
}

.info-panel dl,
.contact-panel dl {
  margin: 28px 0 0;
}

.info-panel dl div,
.contact-panel dl div {
  display: grid;
  grid-template-columns: 146px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--dark-line);
}

dt {
  color: #63756d;
  font-weight: 950;
}

dd {
  margin: 0;
  font-weight: 900;
  word-break: break-word;
}

.section {
  padding: 96px 72px;
}

.service-section {
  position: relative;
  z-index: 2;
  background: var(--green-deep);
}

.section-heading {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 48px;
  align-items: end;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 48px;
}

.service-card {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.24);
}

.service-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.service-card div {
  padding: 28px 30px 32px;
}

.service-card span {
  display: block;
  margin-bottom: 16px;
  color: var(--green);
  font-size: 14px;
  font-weight: 950;
  letter-spacing: 0.16em;
}

.service-card p {
  margin-top: 12px;
  color: #c7d8cf;
}

.area-section {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 54px;
  align-items: center;
  padding: 96px 72px;
  color: var(--text);
  background: #f4f8f5;
}

.area-copy p:not(.eyebrow) {
  margin-top: 24px;
  color: #455a50;
  max-width: 660px;
}

.area-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.area-cards article {
  min-height: 250px;
  padding: 32px;
  border-radius: 10px;
  border: 1px solid #d7e5dd;
  background: #fff;
  box-shadow: 0 24px 70px rgba(16, 36, 28, 0.1);
}

.area-cards b {
  display: block;
  margin-bottom: 56px;
  color: #048551;
  letter-spacing: 0.18em;
}

.area-cards p {
  margin-top: 12px;
  color: #63756d;
}

.contact-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 52px;
  align-items: center;
  background: #fff;
  color: var(--text);
}

.contact-section p:not(.eyebrow) {
  margin-top: 24px;
  color: #455a50;
  max-width: 680px;
}

.contact-section .button {
  margin-top: 34px;
}

.contact-panel {
  padding: 34px 38px;
  border: 1px solid #d7e5dd;
  border-radius: 10px;
  background: #f4f8f5;
  box-shadow: 0 24px 70px rgba(16, 36, 28, 0.08);
}

.site-footer {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 72px;
  background: #071b17;
  color: #fff;
}

.site-footer strong {
  font-size: 24px;
  font-weight: 950;
}

.site-footer a {
  color: var(--green);
  font-weight: 950;
}

@media (max-width: 1020px) {
  .site-header {
    height: auto;
    min-height: 88px;
    padding: 14px 22px;
    flex-wrap: wrap;
  }

  .brand {
    min-width: auto;
  }

  .brand img {
    width: 118px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 12px;
    overflow-x: auto;
  }

  .hero,
  .section-heading,
  .area-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 56px 22px 72px;
  }

  h1 {
    font-size: 50px;
  }

  .section,
  .area-section {
    padding: 68px 22px;
  }

  .service-grid,
  .area-cards {
    grid-template-columns: 1fr;
  }

  .site-footer {
    padding: 28px 22px;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

@media (max-width: 620px) {
  .brand small,
  .brand strong {
    display: none;
  }

  .insta-cta,
  .button {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }

  .hero-lead {
    font-size: 17px;
  }

  .info-panel dl div,
  .contact-panel dl div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}