:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #eef4f8;
  --line: #d8e2ea;
  --text: #1d2a36;
  --muted: #5b6b79;
  --primary: #0b6b74;
  --primary-dark: #084f56;
  --accent: #ec8d2f;
  --accent-soft: #fff3e6;
  --shadow: 0 18px 46px rgba(23, 42, 58, 0.10);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: min(1140px, calc(100% - 32px));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(11, 107, 116, 0.12), transparent 28%),
    linear-gradient(180deg, #f8fbfd 0%, #f2f6f9 50%, #eef3f7 100%);
  line-height: 1.7;
}

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

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

p,
ul,
ol,
table {
  margin: 0;
}

ul {
  padding-left: 1.2rem;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(248, 251, 253, 0.9);
  border-bottom: 1px solid rgba(216, 226, 234, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
	padding: 1em 0;
}

.brand img {
  width: auto;
  height: 50px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.95rem;
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--primary);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.menu-button {
  display: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), #148b97);
  color: #fff;
  box-shadow: 0 12px 26px rgba(11, 107, 116, 0.22);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.74);
  border-color: rgba(11, 107, 116, 0.18);
  color: var(--primary-dark);
}

.button-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 26px rgba(236, 141, 47, 0.22);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 56px 0 34px;
  min-height: 760px;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(244, 247, 251, 0.94) 0%, rgba(244, 247, 251, 0.82) 34%, rgba(244, 247, 251, 0.56) 58%, rgba(244, 247, 251, 0.72) 100%),
    linear-gradient(180deg, rgba(9, 32, 38, 0.18), rgba(9, 32, 38, 0.08));
  pointer-events: none;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  opacity: 0;
  transform: scale(1.04);
  animation: hero-fade 32s ease-in-out infinite;
}

.hero-slide:nth-child(1) {
  animation-delay: 0s;
}

.hero-slide:nth-child(2) {
  animation-delay: 8s;
}

.hero-slide:nth-child(3) {
  animation-delay: 16s;
}

.hero-slide:nth-child(4) {
  animation-delay: 24s;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 30px;
  align-items: center;
  min-height: 670px;
}

.hero-copy {
  padding: 34px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.64);
  box-shadow: 0 26px 60px rgba(20, 41, 54, 0.12);
  backdrop-filter: blur(10px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(11, 107, 116, 0.09);
  color: var(--primary-dark);
  font-size: 0.9rem;
  font-weight: 700;
}

.hero h1,
.page-hero h1 {
  margin: 18px 0 14px;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.15;
  letter-spacing: -0.04em;
}

.hero-lead,
.page-hero p {
  font-size: 1.1rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.mini-card,
.stat-card,
.card,
.feature-card,
.pricing-card,
.scene-card,
.case-card,
.contact-card,
.company-card,
.comparison-card,
.step,
.info-box {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(216, 226, 234, 0.95);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.mini-card {
  padding: 18px;
}

.mini-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.1rem;
}

.mini-card p {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-visual {
  position: relative;
  padding: 22px;
  border-radius: 32px;
  background: linear-gradient(160deg, rgba(11, 107, 116, 0.12), rgba(255, 255, 255, 0.7));
  border: 1px solid rgba(11, 107, 116, 0.12);
}

.visual-badge {
  position: absolute;
  padding: 10px 16px;
  border-radius: 999px;
  background: #fff;
  box-shadow: var(--shadow);
  font-size: 0.84rem;
  font-weight: 700;
}

.visual-badge.top {
  top: -10px;
  left: 22px;
}

.visual-badge.bottom {
  right: 18px;
  bottom: 10px;
}

.visual-stack {
  display: grid;
  gap: 14px;
}

.visual-panel {
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(216, 226, 234, 0.92);
  background: #fff;
}

.visual-caption {
  padding: 14px 16px;
  border-top: 1px solid rgba(216, 226, 234, 0.92);
  font-size: 0.92rem;
  color: var(--muted);
}

.section {
  padding: 44px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 24px;
}

.section-head h2 {
  margin: 0 0 10px;
  font-size: clamp(1.7rem, 3.2vw, 2.8rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.section-head p {
  max-width: 720px;
  color: var(--muted);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 18px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.feature-card,
.pricing-card,
.scene-card,
.case-card,
.company-card,
.contact-card,
.step,
.info-box,
.comparison-card {
  padding: 24px;
}

.card h3,
.feature-card h3,
.pricing-card h3,
.scene-card h3,
.case-card h3,
.contact-card h2,
.step h3,
.company-card h3,
.info-box h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.card-title h3 {
  margin: 0;
}

.benefit-icon {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  padding: 8px;
  border-radius: 16px;
  background: linear-gradient(180deg, #f7fbfd, #e9f3f5);
  border: 1px solid rgba(11, 107, 116, 0.12);
}

.benefit-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.card p,
.feature-card p,
.pricing-card p,
.scene-card p,
.case-card p,
.step p,
.company-card p,
.info-box p,
.contact-card p {
  color: var(--muted);
}

.card ul,
.feature-card ul,
.scene-card ul,
.case-card ul,
.pricing-card ul,
.info-box ul {
  margin-top: 12px;
  color: var(--muted);
}

.problem-list li,
.check-list li {
  margin-bottom: 10px;
}

.problem-list li::marker {
  color: #c55546;
}

.check-list li::marker {
  color: var(--primary);
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.step {
  position: relative;
  padding-top: 56px;
}

.step-number {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  font-size: 0.9rem;
}

.flow-note {
  margin-top: 18px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(11, 107, 116, 0.08), rgba(255, 255, 255, 0.85));
  border: 1px solid rgba(11, 107, 116, 0.15);
  color: var(--primary-dark);
  font-weight: 700;
}

.scene-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.scene-media,
.page-hero-media {
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid rgba(216, 226, 234, 0.92);
  background: #dfe8ef;
}

.scene-media img,
.page-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scene-media {
  aspect-ratio: 16 / 10;
}

.scene-tag,
.feature-tag,
.price {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.scene-tag,
.feature-tag {
  background: rgba(11, 107, 116, 0.1);
  color: var(--primary-dark);
}

.scene-link {
  margin-top: auto;
  font-weight: 700;
  color: var(--primary);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.stat-card {
  padding: 22px;
  text-align: center;
}

.stat-card strong {
  display: block;
  font-size: 2rem;
  color: var(--primary-dark);
}

.feature-groups {
  display: grid;
  gap: 22px;
}

.feature-group-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.feature-group-head h3 {
  margin: 0;
  font-size: 1.45rem;
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--surface-alt);
  color: var(--primary);
  font-weight: 800;
}

.feature-card {
  min-height: 100%;
}

.feature-image {
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(216, 226, 234, 0.92);
  background: #fff;
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comparison-card {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  padding: 16px 14px;
  border-bottom: 1px solid rgba(216, 226, 234, 0.95);
  text-align: left;
  vertical-align: top;
}

th {
  font-size: 0.95rem;
  color: var(--muted);
  background: rgba(238, 244, 248, 0.85);
}

td strong {
  color: var(--primary-dark);
}

.price {
  background: var(--accent-soft);
  color: #a95d0f;
  margin-bottom: 14px;
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(11, 107, 116, 0.08), rgba(255, 255, 255, 0.95));
  border-color: rgba(11, 107, 116, 0.24);
}

.cta-band {
  padding: 34px;
  border-radius: 30px;
  background: linear-gradient(135deg, #0d5f67, #137f8a 58%, #2e96a0);
  color: #fff;
}

.cta-band h2 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.cta-band p {
  color: rgba(255, 255, 255, 0.8);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

.cta-band .button-secondary {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

.company-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  gap: 22px;
}

.company-meta {
  display: grid;
  gap: 14px;
}

.meta-row {
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(216, 226, 234, 0.95);
}

.meta-row span {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.page-hero {
  padding: 52px 0 16px;
}

.page-hero-card {
  padding: 34px;
  border-radius: 30px;
  background: linear-gradient(145deg, rgba(11, 107, 116, 0.12), rgba(255, 255, 255, 0.94));
  border: 1px solid rgba(11, 107, 116, 0.12);
}

.page-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 28px;
  align-items: center;
}

.page-hero-media {
  aspect-ratio: 4 / 3;
  min-height: 280px;
  box-shadow: var(--shadow);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--muted);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 0.64fr);
  gap: 24px;
}

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

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

label {
  font-weight: 700;
  font-size: 0.95rem;
}

.required {
  color: #c55546;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(182, 197, 209, 0.95);
  border-radius: 14px;
  padding: 14px 16px;
  background: #fbfdff;
  color: var(--text);
  font: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: 0;
  border-color: rgba(11, 107, 116, 0.5);
  box-shadow: 0 0 0 4px rgba(11, 107, 116, 0.10);
}

textarea {
  min-height: 180px;
  resize: vertical;
}

.field-error {
  color: #c55546;
  font-size: 0.88rem;
}

.form-success,
.form-alert {
  margin: 0 0 18px;
  padding: 16px 18px;
  border-radius: 14px;
}

.form-success {
  background: #edf9f5;
  border: 1px solid rgba(43, 128, 95, 0.22);
  color: #22684f;
}

.form-alert {
  background: #fff4f1;
  border: 1px solid rgba(197, 85, 70, 0.22);
  color: #9a3e33;
}

.notice {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 14px;
  background: #fff7ee;
  border: 1px solid rgba(236, 141, 47, 0.24);
  color: #8c561b;
}

.site-footer {
  margin-top: 56px;
  padding: 32px 0 42px;
  border-top: 1px solid rgba(216, 226, 234, 0.95);
  background: rgba(255, 255, 255, 0.72);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
}

.footer-copy {
  color: var(--muted);
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero-grid,
  .company-grid,
  .contact-layout,
  .grid-4,
  .steps,
  .page-hero-layout {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-2,
  .case-grid,
  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .menu-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(11, 107, 116, 0.16);
    border-radius: 14px;
    background: #fff;
    color: var(--primary-dark);
    font-size: 1rem;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(216, 226, 234, 0.96);
    border-radius: 18px;
    box-shadow: var(--shadow);
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: 0.2s ease;
  }

  .site-nav a {
    padding: 14px 18px;
    border-bottom: 1px solid rgba(216, 226, 234, 0.96);
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .header-cta .button {
    display: none;
  }

  .hero {
    padding-top: 34px;
    min-height: auto;
  }

  .hero-points,
  .grid-3,
  .grid-2,
  .case-grid,
  .stats {
    grid-template-columns: 1fr;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }

  .footer-inner {
    flex-direction: column;
    align-items: start;
  }
}

@keyframes hero-fade {
  0% {
    opacity: 0;
    transform: scale(1.04);
  }

  6% {
    opacity: 1;
  }

  22% {
    opacity: 1;
    transform: scale(1.01);
  }

  28% {
    opacity: 0;
  }

  100% {
    opacity: 0;
    transform: scale(1);
  }
}

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

  .reveal,
  .button,
  .site-nav {
    transition: none;
  }
}