:root {
  --green: #0b7a4a;
  --green-dark: #064831;
  --green-soft: #eaf8f1;
  --blue: #123b5f;
  --navy: #071d2e;
  --ink: #172b2a;
  --muted: #667570;
  --line: #dce8e3;
  --paper: #ffffff;
  --soft: #f5faf7;
  --gold: #d7a848;
  --orange: #e56f21;
  --shadow: 0 24px 60px rgba(18, 59, 95, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, "Noto Sans JP", Meiryo, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid rgba(220, 232, 227, .9);
  backdrop-filter: blur(18px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green-dark);
  font-weight: 900;
  white-space: nowrap;
}
.nav {
  display: flex;
  gap: 24px;
  color: #3d514b;
  font-size: 14px;
  font-weight: 800;
}
.nav a:hover { color: var(--green); }
.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--green);
  color: white;
  font-size: 14px;
  font-weight: 900;
}
.header-cta-secondary {
  border: 1px solid rgba(11, 122, 74, .22);
  background: #fff;
  color: var(--green-dark);
}

.hero {
  position: relative;
  min-height: 790px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: white;
  background: var(--navy);
}
.hero-media {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 66% center;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 23, 31, .95) 0%, rgba(5, 35, 35, .84) 38%, rgba(5, 35, 35, .18) 100%),
    linear-gradient(0deg, rgba(5, 23, 31, .62), transparent 48%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
  padding: 94px 0 74px;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.hero .eyebrow,
.trust .eyebrow,
.contact .eyebrow { color: #8ee3b7; }
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: -2px 0 18px;
}
.hero-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(142, 227, 183, .42);
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  color: #e7fff2;
  font-size: 13px;
  font-weight: 900;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 820px;
  margin-bottom: 26px;
  font-size: clamp(38px, 5.2vw, 66px);
  line-height: 1.14;
  font-weight: 900;
}
h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.28;
  font-weight: 900;
}
h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.45;
}
.hero-lead {
  max-width: 760px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, .9);
  font-size: clamp(16px, 2vw, 20px);
}
.hero-product-mobile {
  display: none;
}
.hero-actions,
.contact-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 26px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}
.button.primary {
  background: linear-gradient(135deg, #0a8b54, #064831);
  color: #fff;
  box-shadow: 0 16px 34px rgba(7, 82, 53, .32);
}
.button.secondary {
  border: 1px solid rgba(255, 255, 255, .56);
  color: #fff;
  background: rgba(255, 255, 255, .1);
}
.button.secondary-dark {
  border: 1px solid rgba(7, 82, 53, .28);
  color: var(--green-dark);
  background: #fff;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  width: min(990px, 100%);
  margin-top: 50px;
}
.hero-stats div {
  position: relative;
  min-height: 132px;
  padding: 20px 18px;
  border: 1px solid rgba(236, 201, 102, .72);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .94), rgba(242, 252, 246, .88));
  box-shadow: 0 18px 42px rgba(0, 0, 0, .18);
}
.hero-stats span,
.hero-stats small {
  display: block;
  color: #557065;
  font-weight: 700;
}
.hero-stats strong {
  display: block;
  margin: 6px 0 2px;
  color: var(--green-dark);
  font-size: clamp(23px, 2.5vw, 32px);
  line-height: 1.15;
}

.alert-band {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 22px clamp(18px, 4vw, 56px);
  color: #fff;
  background: linear-gradient(90deg, var(--orange), #c94c16);
}

.quick-proof {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: var(--green-dark);
}
.quick-proof div {
  display: grid;
  align-content: center;
  min-height: 112px;
  padding: 18px 20px;
  background: #fff;
}
.quick-proof span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}
.quick-proof strong {
  color: var(--green-dark);
  font-size: 22px;
  line-height: 1.25;
}
.alert-band div {
  display: grid;
  gap: 2px;
}
.alert-band strong { font-size: 18px; }
.alert-band span { color: rgba(255, 255, 255, .9); }
.alert-band a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  background: #fff;
  color: #b84513;
  font-weight: 900;
  white-space: nowrap;
}

.visual-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  width: min(1120px, calc(100% - 36px));
  margin: 42px auto 0;
}
.visual-summary article {
  min-height: 252px;
  padding: 30px 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(18, 59, 95, .07);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.visual-summary h3 {
  max-width: 11em;
  margin-right: auto;
  margin-left: auto;
}
.visual-summary p {
  margin-bottom: 0;
  color: var(--muted);
}

.section {
  padding: clamp(72px, 9vw, 120px) clamp(18px, 4vw, 56px);
}
.section-head {
  width: min(900px, 100%);
  margin: 0 auto 42px;
  text-align: center;
}
.section-head p:not(.eyebrow) { color: var(--muted); }
.concern-grid,
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  width: min(1120px, 100%);
  margin: 0 auto;
}
.feature-overview {
  width: min(1120px, 100%);
  margin: -10px auto 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(18, 59, 95, .08);
}
.feature-overview img {
  width: 100%;
  height: auto;
}
.feature-overview figcaption {
  padding: 12px 18px 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
  text-align: center;
  background: #fff;
}
.concern-grid article,
.feature-grid article {
  min-height: 222px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(18, 59, 95, .06);
}
.feature-grid article {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.concern-image {
  margin: -28px -28px 22px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  border-radius: 8px 8px 0 0;
  background: #fff;
}
.concern-image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}
.concern-grid span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--gold);
  font-weight: 900;
}
.concern-grid p,
.feature-grid p,
.function-grid p,
.flow-list p,
.faq p { color: var(--muted); }

.merit,
.simulation,
.faq {
  background: linear-gradient(180deg, #f7fbf9, #eef8f2);
}
.icon,
.visual-icon,
.mini-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 900;
  line-height: 1;
}
.icon {
  width: 76px;
  height: 76px;
  margin: 0 auto 22px;
  background: linear-gradient(135deg, #eef9f3, #d8f0e4);
  color: #0b6a46;
  box-shadow: inset 0 0 0 1px #bfe2cf, 0 12px 26px rgba(7, 82, 53, .1);
}
.visual-icon {
  width: 82px;
  height: 82px;
  margin-bottom: 22px;
  background: linear-gradient(135deg, #eef9f3, #d8f0e4);
  color: var(--green-dark);
  box-shadow: inset 0 0 0 1px #bfe2cf;
}
.mini-icon {
  width: 38px;
  height: 38px;
  margin-bottom: 12px;
  background: #fff;
  box-shadow: inset 0 0 0 1px #bfe2cf;
}
.icon::before,
.visual-icon::before,
.mini-icon::before {
  content: "";
  display: block;
  width: var(--icon-size, 24px);
  height: var(--icon-size, 24px);
  background: currentColor;
  -webkit-mask: var(--icon-shape) center / contain no-repeat;
  mask: var(--icon-shape) center / contain no-repeat;
}
.visual-icon::before { --icon-size: 45px; }
.icon::before { --icon-size: 40px; }
.feature-image-icon::before {
  content: none;
  display: none;
}
.feature-image-icon img {
  display: block;
  width: 46px;
  height: 46px;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(24%) sepia(44%) saturate(1018%) hue-rotate(109deg) brightness(91%) contrast(96%);
}
.feature-grid .tax-icon::before,
.feature-grid .chart-icon::before,
.feature-grid .heritage-icon::before {
  background-color: currentColor;
  background-image: none;
  -webkit-mask: var(--icon-shape) center / contain no-repeat;
  mask: var(--icon-shape) center / contain no-repeat;
}
.mini-icon::before { --icon-size: 22px; }
.tax-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 3h7l4 4v14H7z'/%3E%3Cpath d='M14 3v5h5'/%3E%3Cpath d='M9.5 15.5l2 2 4-5'/%3E%3C/g%3E%3C/svg%3E");
}
.ad-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='10' rx='1.5'/%3E%3Cpath d='M8 20v-6M16 20v-6M6 20h12'/%3E%3Cpath d='M7 11l3-3 3 2 4-4'/%3E%3C/g%3E%3C/svg%3E");
}
.light-icon,
.led-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 21V9'/%3E%3Cpath d='M7 9h5l4 3'/%3E%3Cpath d='M16 12l-2 3H9l-2-3'/%3E%3Cpath d='M4 21h6'/%3E%3Cpath d='M18 5l1-2M20 8h2M16 7l-2-1'/%3E%3C/g%3E%3C/svg%3E");
}
.heritage-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 10l9-6 9 6'/%3E%3Cpath d='M5 10h14'/%3E%3Cpath d='M7 10v8M12 10v8M17 10v8'/%3E%3Cpath d='M4 18h16M6 21h12'/%3E%3C/g%3E%3C/svg%3E");
}
.chart-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 19V5'/%3E%3Cpath d='M4 19h16'/%3E%3Crect x='7' y='12' width='3' height='4'/%3E%3Crect x='12' y='9' width='3' height='7'/%3E%3Crect x='17' y='6' width='3' height='10'/%3E%3C/g%3E%3C/svg%3E");
}
.patent-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 18h6'/%3E%3Cpath d='M10 21h4'/%3E%3Cpath d='M8 10a4 4 0 118 0c0 2-2 3-2 5h-4c0-2-2-3-2-5z'/%3E%3Cpath d='M12 2v1M4 10H3M21 10h-1M6 4l1 1M18 4l-1 1'/%3E%3C/g%3E%3C/svg%3E");
}
.certificate-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 4h14v10H5z'/%3E%3Cpath d='M8 8h8M8 11h5'/%3E%3Ccircle cx='17' cy='16' r='3'/%3E%3Cpath d='M15.5 18.5L14 22l3-1 3 1-1.5-3.5'/%3E%3C/g%3E%3C/svg%3E");
}
.solar-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='9' width='13' height='8' rx='1'/%3E%3Cpath d='M7 9l-1 8M11 9v8M15 9l1 8M4 13h13'/%3E%3Cpath d='M19 4v2M19 12v2M15 9h-2M23 9h-2M16.5 6.5l-1.4-1.4M21.5 6.5l1.4-1.4'/%3E%3C/g%3E%3C/svg%3E");
}
.camera-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='7' width='11' height='8' rx='2'/%3E%3Cpath d='M15 10l5-3v8l-5-3'/%3E%3Ccircle cx='9.5' cy='11' r='1.5'/%3E%3Cpath d='M7 20h6M10 15v5'/%3E%3C/g%3E%3C/svg%3E");
}
.charge-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='7' y='2' width='10' height='20' rx='2'/%3E%3Cpath d='M11 18h2'/%3E%3Cpath d='M13 6l-3 6h3l-2 5 4-7h-3z'/%3E%3C/g%3E%3C/svg%3E");
}
.move-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3v18M3 12h18'/%3E%3Cpath d='M8 7l4-4 4 4M8 17l4 4 4-4M7 8l-4 4 4 4M17 8l4 4-4 4'/%3E%3C/g%3E%3C/svg%3E");
}
.wifi-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M5 9a10 10 0 0114 0'/%3E%3Cpath d='M8 12a6 6 0 018 0'/%3E%3Cpath d='M10.5 15.5a2 2 0 013 0'/%3E%3Ccircle cx='12' cy='19' r='1' fill='black' stroke='none'/%3E%3C/g%3E%3C/svg%3E");
}
.safety-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l7 3v5c0 5-3 8-7 10-4-2-7-5-7-10V6z'/%3E%3Cpath d='M10 12l2 2 4-5'/%3E%3Cpath d='M7 3a5 5 0 005 5'/%3E%3C/g%3E%3C/svg%3E");
}
.disaster-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 11l9-7 9 7'/%3E%3Cpath d='M5 10v10h14V10'/%3E%3Cpath d='M12 9v8M8 13h8'/%3E%3Cpath d='M18 3v3M20 4h-4'/%3E%3C/g%3E%3C/svg%3E");
}
.public-icon {
  --icon-shape: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 21h18'/%3E%3Cpath d='M5 21V8l7-4 7 4v13'/%3E%3Cpath d='M9 21v-5h6v5'/%3E%3Cpath d='M8 10h1M12 10h1M16 10h1M8 13h1M16 13h1'/%3E%3C/g%3E%3C/svg%3E");
}
.tax-icon::before,
.ad-icon::before,
.chart-icon::before,
.light-icon::before,
.charge-icon::before,
.heritage-icon::before {
  background-color: transparent;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  -webkit-mask: none;
  mask: none;
}
.tax-icon::before {
  background-image: url("./assets/icons/document-check.svg");
}
.chart-icon::before {
  background-image: url("./assets/icons/growth.svg");
}
.heritage-icon::before {
  background-image: url("./assets/icons/torii.svg");
}
.ad-icon::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 58px;
  height: 58px;
  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 96 96'%3E%3Cg fill='none' stroke='%23d58b27' stroke-width='5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cellipse cx='47' cy='28' rx='24' ry='10'/%3E%3Cpath d='M23 28v14c0 5.5 10.7 10 24 10s24-4.5 24-10V28'/%3E%3Cpath d='M23 38c0 5.5 10.7 10 24 10s24-4.5 24-10'/%3E%3Cellipse cx='39' cy='58' rx='24' ry='10'/%3E%3Cpath d='M15 58v14c0 5.5 10.7 10 24 10s24-4.5 24-10V58'/%3E%3Cpath d='M15 68c0 5.5 10.7 10 24 10s24-4.5 24-10'/%3E%3Cpath d='M53 56c0 5.5 10.7 10 24 10' opacity='.55'/%3E%3C/g%3E%3Cpath d='M49 20h-5v4h-5v5h5v5h5v-5h5v-5h-5z' fill='%23d58b27'/%3E%3C/svg%3E") center / contain no-repeat;
  -webkit-mask: none;
  mask: none;
  transform: none;
  translate: -50% -50%;
}
.ad-icon::after {
  content: none;
  display: none;
}
.visual-icon.ad-icon::before {
  top: 50%;
  left: 50%;
  width: 56px;
  height: 56px;
}
.visual-icon.ad-icon::after {
  content: none;
  display: none;
}
.light-icon::before,
.charge-icon::before {
  background-image: url("./assets/icons/smartphone.svg");
}
.light-icon::after,
.charge-icon::after {
  content: "";
  position: absolute;
  right: 9px;
  bottom: 8px;
  width: 15px;
  height: 20px;
  background: var(--gold);
  clip-path: polygon(46% 0, 100% 0, 68% 38%, 100% 38%, 38% 100%, 50% 52%, 16% 52%);
  filter: drop-shadow(0 3px 5px rgba(225, 143, 44, .28));
}
.visual-icon.light-icon::after {
  right: 17px;
  bottom: 15px;
  width: 20px;
  height: 26px;
}
.function-grid h3 {
  margin-bottom: 8px;
}

.infra-value {
  background: #fff;
}
.infra-layout {
  display: grid;
  grid-template-columns: minmax(320px, .82fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: stretch;
  width: min(1120px, 100%);
  margin: 0 auto;
}
.infra-photo {
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.infra-photo img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
}
.infra-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.infra-grid article {
  min-height: 248px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}
.mini-photo {
  display: block;
  width: 96px;
  height: 96px;
  margin: 0 auto 20px;
  overflow: hidden;
  border-radius: 50%;
  box-shadow: 0 0 0 4px #fff, 0 0 0 6px #bfe2cf;
}
.mini-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 42% center;
}
.infra-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.business {
  background: #fff;
}
.business-layout,
.product-layout,
.sim-layout,
.trust-inner,
.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, .86fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  width: min(1120px, 100%);
  margin: 0 auto;
}
.business-layout p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}
.business-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  align-items: center;
  margin-top: 28px;
}
.business-cta .button {
  flex: 0 0 auto;
  min-height: 58px;
  padding: 0 30px;
  box-shadow: 0 18px 36px rgba(7, 82, 53, .28);
}
.business-cta .button::after {
  content: "→";
  margin-left: 12px;
  font-size: 18px;
  line-height: 1;
}
.business-cta span {
  max-width: 360px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}
.business-side {
  display: grid;
  gap: 18px;
}
.business-illustration {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #f8fbfa);
  box-shadow: 0 16px 40px rgba(18, 59, 95, .08);
}
.business-illustration img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: 52% 36%;
}

.advertiser {
  background:
    linear-gradient(180deg, #f8fcfa 0%, #fff 100%);
}
.advertiser-layout {
  width: min(1120px, 100%);
  margin: 0 auto;
}
.advertiser-visual {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 44px rgba(18, 59, 95, .08);
}
.advertiser-visual img {
  width: 100%;
  border-radius: 6px;
}
.advertiser-proof {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  width: min(1120px, 100%);
  margin: 22px auto 0;
  padding: clamp(22px, 4vw, 30px);
  border: 1px solid #ead9a8;
  border-radius: 8px;
  background: linear-gradient(135deg, #fffaf0, #fff);
}
.advertiser-proof span {
  display: block;
  margin-bottom: 6px;
  color: #9a6d13;
  font-size: 13px;
  font-weight: 900;
}
.advertiser-proof strong {
  display: block;
  color: var(--ink);
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.45;
}
.advertiser-proof p {
  margin: 8px 0 0;
  color: var(--muted);
}
.advertiser-proof .button {
  min-width: 230px;
}
.scheme-card,
.sim-panel,
.tax-card,
.form {
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}
.scheme-row {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 18px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.scheme-row:last-child { border-bottom: 0; }
.scheme-row b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
}

.tax-evidence {
  background: #fff;
}
.tax-evidence-layout {
  display: grid;
  grid-template-columns: minmax(220px, .46fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
  width: min(1120px, 100%);
  margin: 0 auto;
}
.guide-image {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}
.guide-image img {
  width: min(260px, 100%);
  margin: 0 auto;
}
.tax-evidence-layout p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}
.tax-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.tax-points span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid #bfe2cf;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 900;
}

.inline-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  width: min(1120px, calc(100% - 36px));
  margin: clamp(28px, 5vw, 54px) auto;
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid #cde3d7;
  border-radius: 8px;
  background: linear-gradient(135deg, #f2fbf6, #fff);
  box-shadow: 0 18px 44px rgba(18, 59, 95, .07);
}
.inline-cta-light {
  margin-top: 0;
}

.final-limited-cta {
  width: 100%;
  margin: 0;
  padding: 22px clamp(18px, 4vw, 56px);
  border: 0;
  border-radius: 0;
  color: #fff;
  background: linear-gradient(90deg, var(--orange), #c94c16);
  box-shadow: none;
}

.final-limited-cta span {
  color: rgba(255, 255, 255, .88);
}

.final-limited-cta strong {
  color: #fff;
  font-size: clamp(18px, 2vw, 23px);
}

.final-limited-cta p {
  color: rgba(255, 255, 255, .92);
}

.final-limited-cta .inline-cta-actions a {
  color: #b84513;
  background: #fff;
  box-shadow: none;
}

.final-limited-cta .inline-cta-actions a + a {
  color: #fff;
  border-color: rgba(255, 255, 255, .56);
  background: rgba(255, 255, 255, .08);
  box-shadow: none;
}

.inline-cta span {
  display: block;
  margin-bottom: 6px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
}
.inline-cta strong {
  display: block;
  color: var(--green-dark);
  font-size: clamp(20px, 2.3vw, 28px);
  line-height: 1.4;
}
.inline-cta p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.inline-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}
.inline-cta-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  color: #fff;
  background: var(--green);
  font-weight: 900;
  white-space: nowrap;
}
.inline-cta-actions a + a {
  color: var(--green-dark);
  border: 1px solid #bfe2cf;
  background: #fff;
}

.final-limited-cta span {
  color: rgba(255, 255, 255, .88);
}

.final-limited-cta strong {
  color: #fff;
}

.final-limited-cta p {
  color: rgba(255, 255, 255, .92);
}

.plan-model {
  background: #fff;
}
.plan-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  width: min(1120px, 100%);
  margin: 0 auto;
}
.plan-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(18, 59, 95, .08);
}
.plan-header {
  padding: 28px;
  color: #fff;
  text-align: center;
  background: var(--green-dark);
}
.plan-b .plan-header {
  background: #d6aa24;
}
.plan-header span {
  display: block;
  margin-bottom: 8px;
  font-size: 28px;
  font-weight: 900;
  line-height: 1.2;
}
.plan-header h3 {
  margin: 0;
  color: #fff;
  font-size: 24px;
}
.plan-header p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, .9);
  font-weight: 900;
}
.plan-body {
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 30px;
}
.plan-body dl {
  margin: 0;
}
.plan-body dl div {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.plan-body dl div:first-child {
  padding-top: 0;
}
.plan-body dt {
  margin-bottom: 6px;
  color: #718096;
  font-weight: 900;
}
.plan-body dd {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.6;
}
.plan-recommend {
  align-self: end;
  margin: 22px 0 0;
  padding: 16px 18px;
  border-radius: 8px;
  color: var(--green-dark);
  background: var(--green-soft);
  font-weight: 900;
}
.plan-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  margin-top: 18px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(7, 82, 53, .2);
}
.plan-link::after {
  content: "→";
  margin-left: 10px;
}
.plan-note {
  width: min(1120px, 100%);
  margin: 18px auto 0;
}

.diagram {
  background: linear-gradient(180deg, #f7fbf9, #eef8f2);
}
.scheme-illustration {
  width: min(1120px, 100%);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 20px 56px rgba(18, 59, 95, .1);
}
.scheme-illustration img {
  display: block;
  width: 100%;
  height: auto;
}
.scheme-map {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: center;
  width: min(1120px, 100%);
  margin: 0 auto;
}
.map-node {
  min-height: 146px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(18, 59, 95, .08);
}
.map-node strong {
  display: block;
  margin-bottom: 8px;
  color: var(--green-dark);
  font-size: 20px;
  line-height: 1.35;
}
.map-node span {
  color: var(--muted);
  font-weight: 700;
}
.map-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 70px;
  min-height: 38px;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
}
.map-node.tax,
.map-node.revenue {
  grid-column: span 2;
  background: #f9fffb;
}
.map-node.revenue {
  grid-column: 4 / span 2;
}

.product-photo {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.product-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: contain;
  background: #f4f8f4;
}
.function-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.product-icons-only {
  display: block;
}
.product-icons-only .function-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.function-grid article {
  min-height: 166px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}
.product-icons-only .function-grid article {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 230px;
  padding: 30px 28px;
  text-align: center;
}
.product-icons-only .image-icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, #fff8df, #ffe3aa);
  box-shadow: inset 0 0 0 1px #f2c46e, 0 14px 30px rgba(178, 105, 9, .12);
}
.product-icons-only .mini-icon.image-icon::before {
  content: none;
  display: none;
}
.product-icons-only .image-icon img {
  display: block;
  width: 54px;
  height: 54px;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(45%) sepia(82%) saturate(1124%) hue-rotate(6deg) brightness(99%) contrast(95%);
}
.product-icons-only .image-icon img[src$="led-small-bulb.svg"] {
  width: 58px;
  height: 58px;
}
.product-icons-only .function-grid h3,
.product-icons-only .function-grid p {
  width: 100%;
}

.range-row {
  display: grid;
  grid-template-columns: 1fr 76px;
  gap: 16px;
  align-items: center;
  margin: 14px 0 24px;
}
input[type="range"] {
  width: 100%;
  accent-color: var(--green);
}
output {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  font-weight: 900;
}
.sim-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.sim-results div {
  padding: 18px;
  border-radius: 8px;
  background: var(--soft);
}
.sim-results span,
.sim-results small {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
.sim-results strong {
  display: block;
  margin-top: 4px;
  color: var(--green-dark);
  font-size: 26px;
  line-height: 1.2;
}
.sim-table-wrap {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.sim-table {
  min-width: 620px;
  box-shadow: none;
}
.sim-table th,
.sim-table td {
  padding: 12px 14px;
  font-size: 13px;
}
.sim-table thead th {
  background: #0a5f3e;
}
.sim-table tbody th {
  width: auto;
}
.note,
.form-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.tax-card ul {
  padding-left: 1.2em;
  color: var(--muted);
}
.simulation-stack {
  display: grid;
  gap: 22px;
  width: min(1120px, 100%);
  margin: 0 auto;
}
.simulation-stack > *,
.sim-panel,
.sim-bottom-grid,
.sim-bottom-grid > * {
  min-width: 0;
}
.sim-panel-wide .sim-results {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.sim-panel-wide .range-row {
  grid-template-columns: minmax(0, 1fr) 86px;
}
.sim-bottom-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) minmax(320px, .76fr);
  gap: 22px;
  align-items: stretch;
}
.sim-bottom-grid .tax-card,
.sim-bottom-grid .payback-graph {
  height: 100%;
}
.payback-graph {
  width: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(7, 29, 46, .12);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(7, 29, 46, .2);
}
.payback-graph img {
  width: 100%;
  aspect-ratio: 1200 / 760;
  object-fit: cover;
}
.payback-graph .note {
  margin: 0;
  padding: 14px 18px 18px;
  color: var(--muted);
  background: #fff;
}

.install-demand {
  background: #fff;
}
.demand-layout {
  width: min(1120px, 100%);
  margin: 0 auto;
}
.demand-visual {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 44px rgba(18, 59, 95, .08);
}
.demand-visual img {
  width: 100%;
  border-radius: 6px;
}
.demand-note {
  width: min(1120px, 100%);
  margin: 14px auto 0;
}

.proof-record {
  background: linear-gradient(180deg, #f7fbf9, #eef8f2);
}
.proof-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  width: min(1120px, 100%);
  margin: 0 auto 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}
.proof-summary article {
  min-height: 118px;
  padding: 20px;
  background: #fff;
}
.proof-summary strong {
  display: block;
  margin-bottom: 8px;
  color: var(--green-dark);
  font-size: 20px;
  line-height: 1.2;
}
.proof-summary span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}
.proof-carousel {
  display: flex;
  gap: 14px;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 2px 2px 18px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}
.proof-carousel::-webkit-scrollbar {
  height: 8px;
}
.proof-carousel::-webkit-scrollbar-track {
  border-radius: 999px;
  background: rgba(220, 232, 227, .8);
}
.proof-carousel::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(11, 122, 74, .5);
}
.proof-card {
  position: relative;
  flex: 0 0 310px;
  scroll-snap-align: start;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(18, 59, 95, .08);
}
.expo-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .94);
  color: #d31225;
  font-size: 12px;
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(7, 29, 46, .18);
}
.proof-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.proof-card figcaption {
  display: grid;
  gap: 6px;
  padding: 18px;
}
.proof-card b {
  color: var(--green-dark);
  font-size: 18px;
}
.proof-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.area-expansion {
  color: #fff;
  background:
    linear-gradient(180deg, rgba(7, 29, 46, .98), rgba(6, 72, 49, .94)),
    url("./assets/tokyo-shibakoen.webp") center/cover;
}
.area-expansion .section-head p:not(.eyebrow) {
  color: rgba(255, 255, 255, .78);
}
.area-layout {
  display: grid;
  gap: 18px;
  width: min(1180px, 100%);
  margin: 0 auto;
}
.japan-map-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 8px;
  background: #071d2e;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .28);
}
.area-map-wrap {
  position: relative;
  width: 100%;
  background: #071d2e;
}
.area-map-wrap img {
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: auto;
  object-fit: cover;
}
.trust {
  padding: clamp(72px, 9vw, 120px) clamp(18px, 4vw, 56px);
  color: white;
  background:
    linear-gradient(90deg, rgba(7, 29, 46, .96), rgba(7, 82, 53, .86)),
    url("./assets/expo-night.webp?v=20260705c") center/cover;
}
.trust p:not(.eyebrow) { color: rgba(255, 255, 255, .84); }
.trust-proof {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 8px;
  background: rgba(255, 255, 255, .1);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .2);
}
.trust-proof figure {
  margin: 0;
  overflow: hidden;
}
.trust-proof img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.trust-points {
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, .14);
}
.trust-points article {
  padding: 18px 22px;
  background: rgba(7, 29, 46, .52);
}
.trust-points strong,
.trust-points span {
  display: block;
}
.trust-points strong {
  margin-bottom: 5px;
  color: #fff;
  font-size: 16px;
}
.trust-points span {
  color: rgba(255, 255, 255, .78);
  font-size: 13px;
  font-weight: 700;
}

.cta-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 34px clamp(18px, 4vw, 56px);
  color: #fff;
  background: linear-gradient(90deg, var(--green-dark), #123b5f);
}
.cta-strip div {
  display: grid;
  gap: 4px;
}
.cta-strip span {
  color: #8ee3b7;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
}
.cta-strip strong {
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.35;
}
.cta-strip a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  background: #fff;
  color: var(--green-dark);
  font-weight: 900;
  white-space: nowrap;
}

.impact {
  background: #fff;
}
.impact-overview {
  width: min(1120px, 100%);
  margin: 0 auto 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(18, 59, 95, .08);
}
.impact-overview img {
  display: block;
  width: 100%;
  height: auto;
}
.impact-proof {
  display: grid;
  grid-template-columns: minmax(220px, .42fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  width: min(1120px, 100%);
  margin: 18px auto 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 42px rgba(18, 59, 95, .08);
}
.impact-proof figure {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: #f8f7f2;
  box-shadow: 0 12px 28px rgba(42, 39, 29, .1);
}
.impact-proof img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
}
.impact-proof strong {
  color: var(--green-dark);
  font-size: 22px;
  line-height: 1.45;
}
.impact-proof p {
  margin: 0;
  color: var(--muted);
}

.comparison { background: #fff; }
.table-wrap {
  width: min(1120px, 100%);
  margin: 0 auto;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 50px rgba(18, 59, 95, .08);
}
table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: #fff;
}
th,
td {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
thead th {
  background: var(--green-dark);
  color: #fff;
}
tbody th {
  width: 150px;
  background: var(--soft);
}
td.accent {
  color: var(--green-dark);
  font-weight: 900;
  background: #f0fbf5;
}
.comparison .note {
  width: min(1120px, 100%);
  margin: 16px auto 0;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 0;
  list-style: none;
}
.flow-list li {
  min-height: 232px;
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.flow-list span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.referral {
  background: var(--green-soft);
}
.referral-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 26px;
  align-items: center;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}
.referral-card p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
}

.faq-list {
  width: min(880px, 100%);
  margin: 0 auto;
}
details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(18, 59, 95, .05);
}
details + details { margin-top: 12px; }
summary {
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 900;
}
details p {
  margin: 0;
  padding: 0 24px 22px;
}

.contact {
  padding: clamp(72px, 9vw, 120px) clamp(18px, 4vw, 56px);
  color: #fff;
  background:
    linear-gradient(135deg, rgba(7, 82, 53, .96), rgba(18, 59, 95, .94)),
    url("./assets/tokyo-shibakoen.webp") center/cover;
}
.contact-copy p:not(.eyebrow) { color: rgba(255, 255, 255, .84); }
.contact-points span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  font-size: 13px;
  font-weight: 800;
}
.form { color: var(--ink); }
.form label {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
  font-size: 14px;
  font-weight: 900;
}
.form label span {
  display: inline-flex;
  width: fit-content;
  padding: 1px 8px;
  border-radius: 999px;
  background: #fff0e6;
  color: #bf5a16;
  font-size: 11px;
}
input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}
textarea { resize: vertical; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.plan-choice {
  margin: 4px 0 14px;
  padding: 0;
  border: 0;
}
.plan-choice legend {
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 900;
}
.plan-choice {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.plan-choice label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.35;
}
.plan-choice input {
  width: 16px;
  min-height: 16px;
  accent-color: var(--green);
}
.form-button {
  width: 100%;
  margin-top: 4px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 34px clamp(18px, 4vw, 56px);
  color: rgba(255, 255, 255, .82);
  background: #071d2e;
}
.footer p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, .62);
}
.footer a { font-weight: 800; }

.video-section {
  padding-top: clamp(56px, 7vw, 92px);
  background: linear-gradient(180deg, #fff, #f2faf6);
}
.video-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  gap: 28px;
  align-items: center;
  width: min(1120px, 100%);
  margin: 0 auto;
}
.video-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #08261f;
  box-shadow: 0 20px 54px rgba(18, 59, 95, .14);
}
.video-frame iframe,
.video-play,
.video-play img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
}
.video-play {
  position: relative;
  padding: 0;
  border: 0;
  cursor: pointer;
  background: #08261f;
}
.video-play img {
  height: auto;
  object-fit: cover;
  transition: transform .35s ease, filter .35s ease;
}
.video-play::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(3, 26, 24, .08), rgba(3, 26, 24, .34));
}
.video-play:hover img {
  transform: scale(1.025);
  filter: brightness(1.04);
}
.play-mark {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  width: 78px;
  height: 78px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 16px 36px rgba(0, 0, 0, .24);
  transform: translate(-50%, -50%);
}
.play-mark::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 53%;
  width: 0;
  height: 0;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
  border-left: 22px solid var(--green);
  transform: translate(-50%, -50%);
}
.video-copy {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 18px 46px rgba(18, 59, 95, .08);
}
.video-copy span {
  display: block;
  margin-bottom: 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
}
.video-copy ul {
  display: grid;
  gap: 12px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}
.video-copy li {
  position: relative;
  padding-left: 22px;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.75;
}
.video-copy li::before {
  content: "";
  position: absolute;
  top: .72em;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--green);
}
.video-copy .button {
  width: 100%;
}

@media (max-width: 980px) {
  .nav { display: none; }
  .hero { min-height: auto; }
  .hero-inner { padding-top: 82px; }
  .hero-stats,
  .quick-proof,
  .visual-summary,
  .concern-grid,
  .feature-grid,
  .tax-evidence-layout,
  .infra-layout,
  .area-layout,
  .scheme-map,
  .business-layout,
  .video-layout,
  .advertiser-layout,
  .advertiser-proof,
  .inline-cta,
  .plan-grid,
  .demand-layout,
  .product-layout,
  .sim-layout,
  .sim-bottom-grid,
  .trust-inner,
  .contact-inner,
  .flow-list,
  .proof-summary,
  .impact-proof,
  .referral-card {
    grid-template-columns: 1fr;
  }
  .advertiser-proof .button {
    width: fit-content;
  }
  .proof-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .area-map-wrap img {
    min-height: auto;
  }
  .map-arrow {
    width: fit-content;
    margin: 0 auto;
  }
  .map-node.tax,
  .map-node.revenue {
    grid-column: auto;
  }
  .sim-panel-wide .sim-results {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .product-icons-only .function-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header { padding: 12px 16px; }
  .brand span:last-child { font-size: 14px; }
  .header-actions {
    gap: 6px;
  }
  .header-cta {
    min-height: 36px;
    padding: 0 10px;
    font-size: 12px;
  }
  .hero-media img { object-position: 66% center; }
  .hero-shade { background: linear-gradient(180deg, rgba(5, 23, 31, .9), rgba(5, 35, 35, .76)); }
  .hero-inner {
    width: min(100% - 32px, 1160px);
    padding-top: 62px;
    padding-bottom: 54px;
  }
  .hero-badges {
    margin: 0 0 14px;
  }
  h1 {
    margin-bottom: 18px;
    font-size: 30px;
    line-height: 1.2;
  }
  .hero-lead {
    margin-bottom: 18px;
    font-size: 14.5px;
    line-height: 1.85;
  }
  .hero-product-mobile {
    display: block;
    margin: 0 0 22px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 8px;
    background: rgba(255, 255, 255, .08);
    box-shadow: 0 18px 40px rgba(0, 0, 0, .28);
  }
  .hero-product-mobile img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: 60% center;
  }
  h2 { font-size: 28px; }
  .button { width: 100%; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-stats div {
    min-height: 118px;
    padding: 16px 14px;
  }
  .hero-stats strong { font-size: 22px; }
  .alert-band {
    display: grid;
    gap: 14px;
    text-align: center;
  }
  .quick-proof div {
    min-height: 86px;
  }
  .quick-proof strong {
    font-size: 20px;
  }
  .visual-summary {
    width: min(100% - 36px, 520px);
    margin-top: 28px;
  }
  .visual-summary article {
    min-height: auto;
    padding: 22px;
  }
  .cta-strip {
    display: grid;
    gap: 18px;
    text-align: center;
  }
  .inline-cta {
    text-align: left;
  }
  .final-limited-cta {
    padding: 22px 18px;
  }
  .inline-cta-actions {
    justify-content: stretch;
  }
  .inline-cta-actions a {
    width: 100%;
  }
  .cta-strip a {
    width: 100%;
  }
  .concern-grid article,
  .feature-grid article,
  .infra-grid article,
  .scheme-card,
  .sim-panel,
  .tax-card,
  .form,
  .referral-card {
    padding: 22px;
  }
  .function-grid,
  .product-icons-only .function-grid,
  .infra-grid,
  .sim-results,
  .sim-panel-wide .sim-results,
  .form-row,
  .plan-choice,
  .proof-summary {
    grid-template-columns: 1fr;
  }
  .advertiser-proof .button {
    width: 100%;
  }
  .sim-panel-wide .range-row {
    grid-template-columns: 1fr;
  }
  .sim-panel-wide .range-row output {
    width: 100%;
  }
  .quick-proof,
  .feature-grid,
  .product-icons-only .function-grid,
  .infra-grid {
    display: flex;
    gap: 14px;
    width: calc(100% + 18px);
    margin-right: -18px;
    overflow-x: auto;
    padding: 0 18px 14px 0;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }
  .quick-proof {
    background: transparent;
    width: 100%;
    margin-right: 0;
  }
  .quick-proof div,
  .feature-grid article,
  .product-icons-only .function-grid article,
  .infra-grid article {
    flex: 0 0 min(78vw, 320px);
    scroll-snap-align: start;
  }
  .quick-proof div {
    min-height: 110px;
    border: 1px solid var(--line);
    border-radius: 8px;
  }
  .quick-proof::-webkit-scrollbar,
  .feature-grid::-webkit-scrollbar,
  .product-icons-only .function-grid::-webkit-scrollbar,
  .infra-grid::-webkit-scrollbar {
    height: 6px;
  }
  .quick-proof::-webkit-scrollbar-track,
  .feature-grid::-webkit-scrollbar-track,
  .product-icons-only .function-grid::-webkit-scrollbar-track,
  .infra-grid::-webkit-scrollbar-track {
    border-radius: 999px;
    background: rgba(220, 232, 227, .8);
  }
  .quick-proof::-webkit-scrollbar-thumb,
  .feature-grid::-webkit-scrollbar-thumb,
  .product-icons-only .function-grid::-webkit-scrollbar-thumb,
  .infra-grid::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: rgba(11, 122, 74, .5);
  }
  .product-icons-only .function-grid article {
    min-height: auto;
    padding: 24px 20px;
  }
  .product-icons-only .image-icon {
    width: 76px;
    height: 76px;
    margin-bottom: 16px;
  }
  .product-icons-only .image-icon img {
    width: 46px;
    height: 46px;
  }
  .product-icons-only .image-icon img[src$="led-small-bulb.svg"] {
    width: 50px;
    height: 50px;
  }
  .sim-results div {
    padding: 16px;
  }
  .sim-results strong {
    font-size: 22px;
    word-break: keep-all;
    overflow-wrap: anywhere;
  }
  .sim-table-wrap {
    display: none;
  }
  .sim-bottom-grid {
    gap: 18px;
  }
  .payback-graph img {
    aspect-ratio: auto;
    object-fit: contain;
  }
  .infra-photo img {
    min-height: 360px;
  }
  .footer { display: block; }
}


.mobile-video-float {
  display: none;
}

@media (max-width: 768px) {
  body.show-mobile-video-float {
    padding-bottom: 76px;
  }
  .mobile-video-float {
    position: fixed;
    z-index: 18;
    left: 50%;
    bottom: calc(16px + env(safe-area-inset-bottom));
    display: flex;
    align-items: center;
    gap: 11px;
    width: auto;
    max-width: calc(100% - 28px);
    min-height: 58px;
    padding: 14px 26px 14px 14px;
    border: 1px solid rgba(27, 42, 74, .14);
    border-radius: 30px;
    color: #1B2A4A;
    background: #fff;
    box-shadow: 0 8px 22px rgba(15, 23, 42, .18);
    transform: translate(-50%, 16px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .24s ease, transform .24s ease, visibility .24s ease;
  }
  body.show-mobile-video-float .mobile-video-float {
    transform: translate(-50%, 0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .mobile-video-float-icon {
    position: relative;
    display: grid;
    place-items: center;
    flex: 0 0 36px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #0a8b54;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .22);
  }
  .mobile-video-float-icon::before {
    content: "";
    width: 0;
    height: 0;
    margin-left: 3px;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-left: 12px solid #fff;
  }
  .mobile-video-float-copy {
    display: grid;
    gap: 1px;
    min-width: 0;
    text-align: left;
  }
  .mobile-video-float-copy small {
    color: rgba(27, 42, 74, .60);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .08em;
  }
  .mobile-video-float-copy strong {
    color: #1B2A4A;
    font-size: 14px;
    font-weight: 900;
    line-height: 1.22;
    letter-spacing: .01em;
    white-space: nowrap;
  }
}