:root {
  --green: #3cb371;
  --green-deep: #2e9a5c;
  --green-soft: #6bc794;
  --green-pale: #e8f6ee;
  --green-mist: #f3faf6;
  --blue: #0d47a1;
  --blue-mid: #1565c0;
  --gold: #f4b400;
  --gold-soft: #ffd54a;
  --ink: #222222;
  --muted: #5d6b64;
  --paper: #f6fbf8;
  --white: #ffffff;
  --line: rgba(60, 179, 113, 0.2);
  --shadow: 0 16px 40px rgba(46, 154, 92, 0.12);
  --radius: 20px;
  --font-display: "Shippori Mincho", "Hiragino Mincho ProN", serif;
  --font-body: "Zen Maru Gothic", "Hiragino Sans", sans-serif;
  --header-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.8;
  background:
    radial-gradient(900px 480px at 100% -8%, rgba(244, 180, 0, 0.12), transparent 50%),
    radial-gradient(800px 420px at -8% 12%, rgba(60, 179, 113, 0.16), transparent 55%),
    linear-gradient(180deg, #f8fcf9 0%, var(--paper) 38%, var(--green-mist) 100%);
  overflow-x: hidden;
}

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

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

.container {
  width: min(1100px, calc(100% - 2.5rem));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: transparent;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), backdrop-filter 0.35s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(248, 252, 249, 0.9);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}

.header-inner {
  width: min(1140px, calc(100% - 2rem));
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

.brand span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(0.88rem, 2.2vw, 1.05rem);
  letter-spacing: 0.04em;
  color: var(--ink);
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.site-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 6px auto;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: calc(var(--header-h) + 1.5rem) 1.25rem 4.5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 18% 42%, rgba(60, 179, 113, 0.22), transparent 42%),
    radial-gradient(ellipse at 82% 28%, rgba(244, 180, 0, 0.16), transparent 38%),
    radial-gradient(ellipse at 70% 80%, rgba(13, 71, 161, 0.08), transparent 42%),
    linear-gradient(165deg, #eef8f2 0%, #f7fcf9 48%, #e7f4ec 100%);
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='72' height='72' viewBox='0 0 72 72' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M36 10c7 9 14 16 0 30C22 26 29 19 36 10z' fill='none' stroke='%233cb371' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 88px 88px;
  opacity: 0.18;
  pointer-events: none;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 120px;
  background: linear-gradient(to top, var(--paper), transparent);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1040px, 100%);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.hero-logo {
  display: grid;
  place-items: center;
}

.hero-logo img {
  width: min(280px, 72vw);
  filter: drop-shadow(0 18px 30px rgba(46, 154, 92, 0.18));
}

.hero-kicker {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--green-deep);
}

.hero-title {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 5.4vw, 3.35rem);
  line-height: 1.35;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.hero-lead {
  margin: 0 0 1.8rem;
  font-size: clamp(1rem, 2vw, 1.12rem);
  color: var(--muted);
  max-width: 28em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.7rem 1.45rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.94rem;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 10px 22px rgba(60, 179, 113, 0.28);
}

.btn-primary:hover {
  background: var(--green-deep);
}

.btn-ghost {
  background: var(--white);
  color: var(--ink);
  border-color: rgba(34, 34, 34, 0.12);
}

.btn-ghost:hover {
  border-color: var(--green);
  color: var(--green-deep);
}

.btn-outline {
  background: transparent;
  color: var(--blue);
  border-color: rgba(13, 71, 161, 0.28);
}

.btn-outline:hover {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  z-index: 1;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  animation: bounce 2.2s ease-in-out infinite;
}

.scroll-cue::after {
  content: "";
  width: 1px;
  height: 26px;
  background: linear-gradient(to bottom, var(--green), transparent);
}

@keyframes bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 7px); }
}

/* Sections */
.section {
  padding: clamp(4.4rem, 9vw, 6.8rem) 0;
}

.section-label {
  margin: 0 0 0.55rem;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green-deep);
  font-weight: 700;
}

.section-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.45rem);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.section-lead {
  margin: 0 0 2.4rem;
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.02rem;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.about-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.6rem 1.45rem 1.5rem;
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(60, 179, 113, 0.06);
}

.about-num {
  display: inline-block;
  margin-bottom: 0.85rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.about-card h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.22rem;
  color: var(--ink);
}

.about-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
}

/* Business */
.business {
  background:
    linear-gradient(180deg, transparent, rgba(60, 179, 113, 0.07) 18%, rgba(60, 179, 113, 0.07) 82%, transparent);
}

.business-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}

.biz-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.biz-visual {
  min-height: 168px;
  padding: 1.5rem 1.4rem;
  color: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.55rem;
}

.biz-visual-estate {
  background:
    radial-gradient(circle at 88% 12%, rgba(244, 180, 0, 0.35), transparent 38%),
    linear-gradient(145deg, var(--green-deep) 0%, var(--green) 100%);
}

.biz-visual-reuse {
  background:
    radial-gradient(circle at 12% 18%, rgba(244, 180, 0, 0.32), transparent 40%),
    linear-gradient(145deg, var(--blue) 0%, #1565c0 100%);
}

.biz-tag {
  align-self: flex-start;
  padding: 0.22rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.biz-visual strong {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.biz-body {
  padding: 1.5rem 1.45rem 1.6rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.biz-kicker {
  margin: 0 0 0.4rem;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.biz-body h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--ink);
}

.biz-body p {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.97rem;
}

.biz-points {
  margin: 0.2rem 0 1.4rem;
  padding: 0;
  list-style: none;
}

.biz-points li {
  position: relative;
  padding: 0.28rem 0 0.28rem 1.15rem;
  color: var(--ink);
  font-size: 0.93rem;
}

.biz-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}

.biz-card:last-child .biz-points li::before {
  background: var(--gold);
}

.biz-body .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* Message */
.message-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 2.4rem;
  align-items: start;
}

.message-quote {
  margin: 0 0 1.4rem !important;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  font-weight: 600;
  line-height: 1.7;
  color: var(--green-deep) !important;
  padding-left: 1rem;
  border-left: 3px solid var(--gold);
}

.message-copy p {
  color: var(--muted);
  margin: 0 0 1rem;
}

.message-sign {
  margin-top: 2rem !important;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  color: var(--ink) !important;
}

.message-sign span {
  font-size: 0.86rem;
}

.message-sign strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
}

.company-panel {
  background: linear-gradient(165deg, var(--blue) 0%, #0a357a 100%);
  color: var(--white);
  border-radius: var(--radius);
  padding: 1.8rem 1.55rem;
  box-shadow: 0 16px 40px rgba(13, 71, 161, 0.22);
}

.company-panel-label {
  margin: 0 0 0.3rem;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-soft);
  font-weight: 700;
}

.company-panel h3 {
  margin: 0 0 1.3rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
}

.company-panel dl {
  margin: 0;
  display: grid;
  gap: 1.1rem;
}

.company-panel dl > div {
  display: grid;
  gap: 0.2rem;
}

.company-panel dt {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
  font-weight: 700;
}

.company-panel dd {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.6;
}

/* Access */
.access-layout {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 1.5rem;
  align-items: stretch;
}

.access-map {
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 320px;
  box-shadow: var(--shadow);
  background: var(--green-pale);
}

.access-map iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
}

.access-info h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--ink);
}

.access-info p {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

/* Contact */
.contact {
  background:
    radial-gradient(640px 260px at 50% 0%, rgba(244, 180, 0, 0.12), transparent 58%),
    linear-gradient(180deg, transparent, rgba(60, 179, 113, 0.06));
}

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

.contact-inner .section-lead {
  margin-inline: auto;
}

.contact-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.contact-link {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.35rem 1.1rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.contact-link:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--green);
}

.contact-type {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--green-deep);
}

.contact-link strong {
  font-size: clamp(0.92rem, 2vw, 1.12rem);
  color: var(--ink);
  word-break: break-all;
  line-height: 1.4;
}

.contact-note {
  font-size: 0.82rem;
  color: var(--muted);
}

.contact-hours {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Footer */
.site-footer {
  padding: 1.8rem 0 2.2rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.footer-brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--ink);
}

.footer-brand span {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
}

.footer-copy {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .hero-inner,
  .about-grid,
  .business-grid,
  .message-layout,
  .access-layout,
  .contact-links {
    grid-template-columns: 1fr;
  }

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

  .hero-lead,
  .hero-actions {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-logo img {
    width: min(200px, 58vw);
  }

  .message-quote {
    text-align: left;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: grid;
    gap: 0;
    padding: 0.5rem 1.25rem 1.25rem;
    background: rgba(248, 252, 249, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
  }

  .site-nav.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }

  .brand span {
    font-size: 0.86rem;
  }

  .contact-link strong {
    font-size: 1.02rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}