/* ==========================================================================
   JLパワー株式会社 - コーポレートサイト
   ========================================================================== */

:root {
  --navy-900: #0a1f33;
  --navy-800: #0f2c47;
  --blue-700: #14456e;
  --blue-600: #1b5c8c;
  --blue-500: #2b6fa0;
  --blue-200: #b9cddc;
  --blue-100: #dfe9f1;
  --blue-50:  #f4f7fa;
  --ink: #1c2b3a;
  --ink-soft: #566878;
  --line: #d8e1e9;
  --white: #ffffff;
  --radius: 2px;
  --container: 1160px;
  --font-serif: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "MS PMincho", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section-eyebrow {
  color: var(--blue-600);
  font-weight: 700;
  letter-spacing: 0.2em;
  font-size: 0.76rem;
  margin: 0 0 12px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.8vw, 2.15rem);
  font-weight: 700;
  margin: 0 0 20px;
  color: var(--navy-900);
  letter-spacing: 0.06em;
}
.section-sub {
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto 50px;
}
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 34px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--navy-900);
  color: #fff;
  border-color: var(--navy-900);
}
.btn-primary:hover { background: var(--blue-700); border-color: var(--blue-700); }
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
.btn-block { width: 100%; }

/* ---------------- Top bar ---------------- */
.top-bar {
  background: var(--navy-900);
  color: rgba(255,255,255,0.75);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
}
.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 24px;
}
.top-bar-en { letter-spacing: 0.14em; color: rgba(255,255,255,0.5); }

/* ---------------- Header ---------------- */
.site-header {
  position: sticky;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { display: flex; }
.logo-text {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--navy-900);
  letter-spacing: 0.04em;
}
.logo-text.light { color: #fff; }

.main-nav ul {
  display: flex;
  align-items: stretch;
  gap: 4px;
  height: 100%;
}
.main-nav li { display: flex; }
.main-nav a {
  display: flex;
  align-items: center;
  height: 76px;
  padding: 0 16px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.main-nav a:not(.nav-cta):hover {
  color: var(--blue-600);
  border-bottom-color: var(--blue-600);
}
.nav-cta {
  background: var(--navy-900);
  color: #fff !important;
  margin-left: 8px;
  padding: 0 22px !important;
}
.nav-cta:hover { background: var(--blue-700); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 26px; height: 2px;
  background: var(--navy-900);
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
.hero-bg {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, var(--navy-900) 0%, var(--blue-700) 70%, var(--blue-600) 100%);
}
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(255,255,255,0.05) 0, rgba(255,255,255,0.05) 1px, transparent 1px, transparent 120px);
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding-top: 40px;
  padding-bottom: 40px;
}
.hero-eyebrow {
  letter-spacing: 0.3em;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--blue-200);
  margin-bottom: 20px;
  border-left: 3px solid var(--blue-200);
  padding-left: 14px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 4.6vw, 3.3rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.05em;
  margin: 0 0 26px;
}
.hero-lead {
  font-size: 1rem;
  max-width: 520px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------------- Stats ---------------- */
.stats {
  background: var(--navy-900);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
}
.stat-item {
  padding: 44px 20px;
  border-left: 1px solid rgba(255,255,255,0.12);
}
.stat-item:first-child { border-left: none; }
.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 3.4vw, 2.4rem);
  font-weight: 700;
  color: #fff;
}
.stat-unit {
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue-200);
  margin-left: 4px;
}
.stat-label {
  color: rgba(255,255,255,0.55);
  font-size: 0.82rem;
  margin: 8px 0 0;
  letter-spacing: 0.02em;
}

/* ---------------- Message ---------------- */
.message { border-bottom: 1px solid var(--line); }
.message-inner { max-width: 780px; }
.message-text p {
  color: var(--ink-soft);
  margin: 0 0 1.2em;
}
.message-sign {
  text-align: right;
  color: var(--navy-900) !important;
  font-weight: 700;
  margin-top: 34px !important;
}
.message-sign span {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  letter-spacing: 0.08em;
}

/* ---------------- About ---------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-lead {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--navy-900);
}
.about-text p { color: var(--ink-soft); }
.about-text .btn { margin-top: 22px; }

.about-table-wrap {
  border: 1px solid var(--line);
}
.about-table { width: 100%; border-collapse: collapse; }
.about-table th, .about-table td {
  text-align: left;
  padding: 18px 22px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--line);
}
.about-table tr:last-child th,
.about-table tr:last-child td { border-bottom: none; }
.about-table th {
  width: 34%;
  color: var(--navy-900);
  font-weight: 700;
  background: var(--blue-50);
  border-right: 1px solid var(--line);
}
.about-table td { color: var(--ink-soft); }

/* ---------------- Business ---------------- */
.business { background: var(--blue-50); }
.business-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.business-card {
  background: #fff;
  padding: 38px 28px;
  transition: background 0.2s ease;
}
.business-card:hover { background: var(--blue-50); }
.business-icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--navy-900);
  color: var(--navy-900);
  margin-bottom: 22px;
}
.business-icon svg { width: 26px; height: 26px; }
.business-card h3 {
  font-size: 1.02rem;
  color: var(--navy-900);
  margin: 0 0 12px;
  font-weight: 700;
}
.business-card p { color: var(--ink-soft); font-size: 0.88rem; margin: 0; }

/* ---------------- Strengths ---------------- */
.strengths-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.strength-item {
  position: relative;
  padding: 30px 26px 0 0;
  border-right: 1px solid var(--line);
}
.strength-item:last-child { border-right: none; }
.strength-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--blue-500);
  margin-bottom: 10px;
}
.strength-item h3 { color: var(--navy-900); font-size: 1.02rem; margin: 0 0 10px; font-weight: 700; }
.strength-item p { color: var(--ink-soft); font-size: 0.88rem; margin: 0; }

/* ---------------- UNIDO ---------------- */
.unido {
  background: var(--navy-900);
  color: #fff;
}
.unido-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 60px;
  align-items: center;
}
.unido-mark {
  display: flex;
  justify-content: center;
  padding: 30px;
  border: 1px solid rgba(255,255,255,0.25);
}
.unido .section-eyebrow { color: var(--blue-200); }
.unido .section-title { color: #fff; }
.unido-lead {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}
.unido-text p { color: rgba(255,255,255,0.78); }
.unido-text .unido-lead { color: #fff; }
.unido-en {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5) !important;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 16px;
  margin-top: 20px;
}

/* ---------------- Plants ---------------- */
.plants { background: var(--blue-50); }
.plants-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.plant-card {
  background: #fff;
  border: 1px solid var(--line);
}
.plant-visual {
  height: 150px;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 14px 18px;
}
.plant-visual span {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.5);
  padding: 3px 10px;
}
.plant-visual-1 { background: var(--navy-900); }
.plant-visual-2 { background: var(--blue-700); }
.plant-visual-3 { background: var(--blue-600); }
.plant-body { padding: 24px 26px 28px; border-top: 1px solid var(--line); }
.plant-body h3 { color: var(--navy-900); font-size: 1.02rem; margin: 0 0 16px; font-weight: 700; }
.plant-specs li {
  display: flex;
  justify-content: space-between;
  font-size: 0.86rem;
  color: var(--ink-soft);
  padding: 8px 0;
  border-top: 1px solid var(--line);
}
.plant-specs li span { color: var(--navy-900); font-weight: 700; }

/* ---------------- SDGs ---------------- */
.sdgs {
  background: var(--navy-900);
  color: #fff;
}
.sdgs-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
}
.sdgs .section-eyebrow { color: var(--blue-200); }
.sdgs .section-title { color: #fff; }
.sdgs-text p { color: rgba(255,255,255,0.75); }
.sdgs-tags { display: flex; gap: 0; flex-wrap: wrap; margin-top: 26px; }
.sdgs-tags span {
  border: 1px solid rgba(255,255,255,0.3);
  border-left: none;
  padding: 9px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}
.sdgs-tags span:first-child { border-left: 1px solid rgba(255,255,255,0.3); }
.sdgs-visual { max-width: 200px; margin: 0 auto; opacity: 0.85; }

/* ---------------- News ---------------- */
.news-list li {
  display: grid;
  grid-template-columns: 130px 130px 1fr;
  align-items: center;
  gap: 20px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
}
.news-list li:first-child { border-top: 1px solid var(--line); }
.news-list time { color: var(--ink-soft); font-size: 0.86rem; font-family: var(--font-serif); }
.news-tag {
  display: inline-block;
  border: 1px solid var(--blue-600);
  color: var(--blue-600);
  font-size: 0.74rem;
  font-weight: 700;
  padding: 4px 12px;
  text-align: center;
}
.news-list p { margin: 0; color: var(--ink); }

/* ---------------- Contact ---------------- */
.contact { background: var(--blue-50); }
.contact-inner { max-width: 640px; }
.contact-form {
  background: #fff;
  padding: 40px;
  border: 1px solid var(--line);
}
.form-row { margin-bottom: 22px; }
.form-row label {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--navy-900);
  margin-bottom: 8px;
}
.required {
  background: var(--navy-900);
  color: #fff;
  font-size: 0.64rem;
  font-weight: 700;
  padding: 2px 8px;
  margin-left: 8px;
  vertical-align: middle;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--blue-200);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--blue-50);
  transition: border-color 0.2s ease;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--navy-900);
  background: #fff;
}
.form-note {
  text-align: center;
  margin: 16px 0 0;
  font-weight: 600;
  color: var(--blue-600);
  min-height: 1.4em;
}

/* ---------------- Footer ---------------- */
.site-footer {
  background: var(--navy-900);
  color: rgba(255,255,255,0.85);
  padding: 60px 0 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 30px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-brand p { color: rgba(255,255,255,0.55); margin: 10px 0 0; font-size: 0.86rem; }
.footer-address { margin-top: 4px !important; }
.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-nav a { font-size: 0.86rem; color: rgba(255,255,255,0.7); }
.footer-nav a:hover { color: #fff; }
.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
}

/* ---------------- Reveal animation ---------------- */
.reveal {
  opacity: 0;
  transition: opacity 0.5s ease;
}
.reveal.is-visible {
  opacity: 1;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 980px) {
  .about-grid, .sdgs-inner { grid-template-columns: 1fr; }
  .unido-inner { grid-template-columns: 1fr; gap: 36px; }
  .unido-mark { max-width: 260px; margin: 0 auto; }
  .business-grid { grid-template-columns: repeat(2, 1fr); }
  .strengths-grid { grid-template-columns: repeat(2, 1fr); }
  .plants-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .strength-item:nth-child(2) { border-right: none; }
  .strength-item:nth-child(3), .strength-item:nth-child(4) { border-top: 1px solid var(--line); padding-top: 30px; }
}

@media (max-width: 760px) {
  .top-bar-en { display: none; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 0; right: 0;
    width: min(78vw, 320px);
    height: 100vh;
    background: #fff;
    border-left: 1px solid var(--line);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    padding: 100px 30px 30px;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 4px; height: auto; }
  .main-nav li { width: 100%; }
  .main-nav a { height: auto; width: 100%; padding: 14px 0; font-size: 1rem; border-bottom: 1px solid var(--line); }
  .nav-cta { margin-left: 0; padding: 14px 22px !important; justify-content: center; margin-top: 10px; }

  .business-grid, .plants-grid { grid-template-columns: 1fr; }
  .strengths-grid { grid-template-columns: 1fr; }
  .strength-item { border-right: none !important; padding: 26px 0 0 !important; }
  .strength-item:not(:first-child) { border-top: 1px solid var(--line); }
  .news-list li { grid-template-columns: 1fr; gap: 8px; text-align: left; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item:nth-child(3) { border-left: none; }
  .section { padding: 64px 0; }
  .contact-form { padding: 28px 22px; }
}