:root {
  --bg: #0d0b0a;
  --bg-soft: #171311;
  --panel: rgba(255, 255, 255, 0.06);
  --line: rgba(201, 161, 74, 0.25);
  --text: #f6f0e8;
  --muted: #dbcdbd;
  --gold: #c9a14a;
  --gold-deep: #9b7524;
  --green: #6f8c45;
  --green-deep: #4f6731;
  --white-btn: #f3f1ec;
  --max: 1160px;
  --shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(201, 161, 74, 0.08), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.04), transparent 20%),
    linear-gradient(180deg, #17110e 0%, #0d0b0a 45%, #0a0908 100%);
  line-height: 1.85;
  letter-spacing: 0.02em;
}

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

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

input,
select,
textarea,
button {
  font: inherit;
}

.container {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: 22px;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.section-title span {
  color: var(--gold);
}

.section-lead {
  max-width: 860px;
  margin: 0 auto 42px;
  text-align: center;
  color: var(--muted);
  font-size: 1.03rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 6, 6, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  color: var(--gold);
  flex-shrink: 0;
}

.brand-text strong {
  display: block;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
}

.brand-text small {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 2px;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 10px;
  font-weight: 700;
  line-height: 1;
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
  border: 1px solid transparent;
  white-space: nowrap;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

.btn-line {
  background: linear-gradient(180deg, #7b9f4e 0%, #5f7b3a 100%);
  color: #fff;
}

.btn-tel {
  background: linear-gradient(180deg, #d5b15c 0%, #b9892d 100%);
  color: #fff;
}

.btn-mail {
  background: var(--white-btn);
  color: #1b1713;
}

.hero {
  padding: 110px 0 95px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background:
    linear-gradient(90deg, rgba(9, 7, 6, 0.92) 0%, rgba(9, 7, 6, 0.78) 40%, rgba(9, 7, 6, 0.46) 100%),
    radial-gradient(circle at 80% 40%, rgba(255,255,255,0.12), transparent 22%),
    linear-gradient(135deg, #55463e 0%, #2d2520 42%, #171210 100%);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: auto;
  pointer-events: none;
}

.hero::before {
  width: 560px;
  height: 560px;
  right: -120px;
  top: -120px;
  background: radial-gradient(circle, rgba(201, 161, 74, 0.16), transparent 60%);
  filter: blur(10px);
}

.hero::after {
  left: -80px;
  bottom: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05), transparent 68%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 38px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 999px;
  color: var(--gold);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 5rem);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: 0.05em;
}

.hero h1 span {
  color: var(--gold);
}

.hero .copy-strong {
  font-size: clamp(1.2rem, 2vw, 1.85rem);
  font-weight: 800;
  margin: 22px 0 12px;
}

.hero p {
  color: var(--muted);
  margin: 0 0 12px;
  max-width: 720px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-card {
  padding: 28px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow);
}

.hero-card h2 {
  margin: 0 0 18px;
  font-size: 1.6rem;
  line-height: 1.35;
}

.hero-card h2 span {
  color: var(--gold);
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
}

.hero-points li {
  padding: 13px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: var(--muted);
}

.hero-points li strong {
  color: #fff;
}

.hero-note {
  color: var(--muted);
  font-size: 0.96rem;
  margin: 0;
}

.divider-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 36px;
  text-align: center;
}

.divider-title::before,
.divider-title::after {
  content: "";
  width: min(13vw, 150px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.divider-title h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 800;
  letter-spacing: 0.06em;
}

.divider-title h2 span {
  color: var(--gold);
}

.feature-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}

.feature-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.feature-card h3 {
  margin: 0 0 14px;
  font-size: 1.5rem;
  line-height: 1.4;
}

.feature-card h3 span {
  color: var(--gold);
}

.feature-card p {
  color: var(--muted);
  margin: 0 0 1em;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 10px;
}

.feature-list li {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  color: #fff;
  font-weight: 700;
}

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

.service-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 22px;
  padding: 28px;
  box-shadow: var(--shadow);
  min-height: 100%;
}

.service-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--gold-deep) 100%);
  color: #fff;
  font-weight: 800;
  margin-bottom: 16px;
}

.service-card h3 {
  margin: 0 0 12px;
  font-size: 1.35rem;
  line-height: 1.5;
}

.service-card p {
  margin: 0;
  color: var(--muted);
}

.service-card ul {
  margin: 12px 0 0;
  padding-left: 1.2em;
  color: var(--muted);
}

.profile-box {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 30px;
  align-items: stretch;
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.profile-photo {
  min-height: 100%;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.16), rgba(0,0,0,0.22)),
    radial-gradient(circle at top, rgba(255,255,255,0.18), transparent 35%),
    linear-gradient(135deg, #6f563f 0%, #2f241d 100%);
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 30px;
}

.profile-photo-badge {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(11, 10, 10, 0.72);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--gold);
  font-weight: 700;
}

.profile-content {
  padding: 36px 34px;
}

.profile-role {
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 10px;
}

.profile-content h3 {
  margin: 0 0 6px;
  font-size: 2rem;
  letter-spacing: 0.08em;
}

.profile-license {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--muted);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.voice-list {
  display: grid;
  gap: 14px;
  max-width: 900px;
  margin: 0 auto;
}

.voice-item {
  padding: 20px 24px;
  border-radius: 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  color: #fff;
  box-shadow: var(--shadow);
}

.voice-item strong {
  color: var(--gold);
  display: inline-block;
  margin-right: 8px;
}

.company-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 24px;
  align-items: start;
}

.company-card,
.cta-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.company-table {
  display: grid;
  grid-template-columns: 150px 1fr;
  row-gap: 16px;
  column-gap: 18px;
  margin-top: 10px;
}

.company-table dt {
  color: var(--gold);
  font-weight: 700;
}

.company-table dd {
  margin: 0;
  color: var(--muted);
}

.cta-card h3 {
  margin: 0 0 14px;
  font-size: 1.7rem;
  line-height: 1.4;
}

.cta-card p {
  color: var(--muted);
  margin: 0 0 24px;
}

.contact-form {
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-group {
  display: grid;
  gap: 8px;
}

.form-group label {
  font-weight: 700;
  color: #fff;
}

.form-group label span {
  display: inline-block;
  margin-left: 8px;
  font-size: 0.78rem;
  color: var(--gold);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color: #fff;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.5);
}

.form-group select option {
  color: #111;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(201, 161, 74, 0.9);
  box-shadow: 0 0 0 4px rgba(201, 161, 74, 0.12);
  background: rgba(255,255,255,0.08);
}

.form-check {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

.form-check input {
  width: 18px;
  height: 18px;
}

.form-submit {
  width: 100%;
  min-height: 54px;
}

.footer {
  padding: 26px 0 40px;
  color: rgba(255,255,255,0.65);
  text-align: center;
  font-size: 0.92rem;
}

.footer a {
  color: var(--gold);
}

.section-dark-band {
  position: relative;
}

.section-dark-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(0,0,0,0.05)),
    linear-gradient(90deg, transparent 0%, rgba(201,161,74,0.05) 50%, transparent 100%);
  pointer-events: none;
}

@media (max-width: 1080px) {
  .hero-grid,
  .feature-wrap,
  .company-grid,
  .profile-box {
    grid-template-columns: 1fr;
  }

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .profile-photo {
    min-height: 280px;
  }
}


.mobile-menu-links {
  display: none;
}

.mobile-menu-link {
  color: inherit;
  text-decoration: none;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 999px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.map-frame {
  position: relative;
  width: 100%;
  min-height: 320px;
  margin-top: 24px;
  border-radius: 18px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.map-embed {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
}

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }

  .topbar-inner {
    min-height: 72px;
    padding: 12px 0;
    position: relative;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .brand {
    flex: 1;
    min-width: 0;
    padding-right: 12px;
  }

  .brand-text strong {
    font-size: 0.95rem;
  }

  .brand-text small {
    font-size: 0.68rem;
  }

  .menu-toggle {
    display: inline-flex;
    flex-shrink: 0;
  }

  .top-actions {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: min(280px, calc(100vw - 24px));
    padding: 12px;
    border-radius: 18px;
    background: rgba(12, 10, 9, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow);
    flex-direction: column;
    gap: 10px;
    z-index: 120;
  }

  .top-actions.is-open {
    display: flex;
  }

  .top-actions .btn {
    width: 100%;
    flex: none;
  }


  .mobile-menu-links {
    display: grid;
    gap: 8px;
    margin-bottom: 6px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .mobile-menu-link {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
    font-weight: 700;
    line-height: 1.4;
    transition: background 0.2s ease, transform 0.2s ease;
  }

  .mobile-menu-link:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
  }

  .hero {
    padding: 82px 0 72px;
  }

  .hero-buttons .btn {
    width: 100%;
  }

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

  .company-table {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .company-table dt {
    margin-top: 12px;
  }

  .map-frame,
  .map-embed {
    min-height: 260px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 24px, var(--max));
  }

  .top-actions .btn {
    flex: 1 1 100%;
  }

  .hero-card,
  .feature-card,
  .service-card,
  .company-card,
  .cta-card,
  .profile-content {
    padding: 22px;
  }

  .profile-photo {
    padding: 22px;
  }

  .voice-item {
    padding: 18px;
  }
}