:root {
  --ink: #15212a;
  --muted: #60717c;
  --paper: #fbfcfb;
  --line: #dfe7e5;
  --teal: #0c8b8f;
  --teal-dark: #08676c;
  --mint: #dff4ef;
  --yellow: #f7c948;
  --blue: #396cba;
  --coral: #dd6b4d;
  --white: #ffffff;
  --shadow: 0 18px 48px rgba(21, 33, 42, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.75;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 72px;
  padding: 0 clamp(18px, 4vw, 56px);
  background: rgba(251, 252, 251, 0.88);
  border-bottom: 1px solid rgba(223, 231, 229, 0.9);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: var(--teal);
  font-weight: 900;
}

.top-nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.header-cta,
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 800;
  white-space: nowrap;
}

.header-cta,
.primary-button {
  color: var(--white);
  background: var(--teal);
  box-shadow: 0 8px 18px rgba(12, 139, 143, 0.22);
}

.secondary-button {
  color: var(--teal-dark);
  background: var(--white);
  border: 1px solid rgba(12, 139, 143, 0.26);
}

.secondary-button.light {
  color: var(--white);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.58);
}

.compact {
  min-height: 42px;
  padding-inline: 18px;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: #eef7f5;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(251, 252, 251, 0.96) 0%, rgba(251, 252, 251, 0.84) 35%, rgba(251, 252, 251, 0.16) 70%),
    linear-gradient(0deg, rgba(8, 103, 108, 0.20), transparent 42%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(680px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 92px);
  padding-top: 78px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 9em;
  margin: 0;
  font-size: clamp(48px, 8vw, 86px);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  margin: 24px 0 0;
  color: #344650;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 620px;
  margin: 42px 0 0;
}

.hero-facts div {
  padding: 16px;
  border: 1px solid rgba(12, 139, 143, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
}

.hero-facts dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.hero-facts dd {
  margin: 4px 0 0;
  font-size: 22px;
  font-weight: 900;
}

.trust-band {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 4vw, 42px);
  padding: 18px;
  background: var(--ink);
  color: var(--white);
}

.trust-band p {
  margin: 0;
  color: #b8ccd1;
  font-size: 13px;
  font-weight: 800;
}

.trust-band ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-weight: 900;
}

.section {
  width: min(1140px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(64px, 9vw, 108px) 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading.split {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  max-width: none;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: 0;
}

.section-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.intro-grid,
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.service-card,
.btob-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(21, 33, 42, 0.06);
}

.feature-card {
  padding: 26px;
}

.feature-number {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--coral);
  font-weight: 900;
}

.feature-card p,
.service-card p,
.btob-copy p,
.flow-step p,
.contact-section p {
  color: var(--muted);
}

.services {
  border-top: 1px solid var(--line);
}

.service-card {
  position: relative;
  overflow: hidden;
  padding: 0 28px 28px;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
}

.accent-teal::before {
  background: var(--teal);
}

.accent-yellow::before {
  background: var(--yellow);
}

.accent-blue::before {
  background: var(--blue);
}

.service-card p {
  margin: 22px 0 10px;
  font-size: 12px;
  font-weight: 900;
}

.service-photo {
  display: block;
  width: calc(100% + 56px);
  height: 190px;
  margin: 0 -28px;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.service-card ul,
.check-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.service-card li,
.check-list li {
  position: relative;
  padding-left: 20px;
  color: #354750;
}

.service-card li + li,
.check-list li + li {
  margin-top: 8px;
}

.service-card li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

.price-section {
  width: min(1220px, calc(100% - 36px));
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
}

caption {
  padding: 18px 20px;
  text-align: left;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

th,
td {
  padding: 16px 18px;
  border-top: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: #20333d;
  background: #edf7f5;
  font-size: 13px;
}

td:first-child {
  width: 150px;
  color: var(--teal-dark);
  font-weight: 900;
}

td:last-child {
  width: 210px;
  font-weight: 900;
}

.btob-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 32px;
  align-items: center;
  width: 100%;
  max-width: none;
  padding-inline: max(18px, calc((100vw - 1140px) / 2));
  background: #eef4f6;
}

.btob-copy {
  max-width: 660px;
}

.btob-panel {
  padding: 28px;
}

.unit-price {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 28px;
  padding: 18px;
  border-radius: 8px;
  color: var(--white);
  background: var(--ink);
}

.unit-price span {
  font-weight: 800;
}

.unit-price strong {
  font-size: 30px;
  line-height: 1;
}

.panel-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.results-section {
  border-top: 1px solid var(--line);
}

.results-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 18px;
}

.results-grid figure,
.before-after-grid article,
.ba-images figure {
  margin: 0;
}

.results-grid figure,
.before-after-grid article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(21, 33, 42, 0.06);
}

.results-grid img {
  display: block;
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.results-grid figcaption,
.ba-images figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

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

.before-after-grid h3 {
  padding: 18px;
}

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

.ba-images img {
  display: block;
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.ba-images figure:first-child {
  border-right: 1px solid var(--line);
}

.flow-section {
  border-top: 1px solid var(--line);
}

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

.flow-step {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(21, 33, 42, 0.06);
}

.flow-step span {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--teal);
  font-weight: 900;
}

.faq-section {
  border-top: 1px solid var(--line);
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 900;
}

details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
}

.contact-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  width: min(1140px, calc(100% - 36px));
  margin: 0 auto 72px;
  padding: 38px;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--teal-dark), #173441 62%, #6f4933);
  box-shadow: var(--shadow);
}

.contact-section .eyebrow,
.contact-section p {
  color: #d6eeee;
}

.contact-section h2 {
  max-width: 720px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 860px) {
  .site-header {
    height: auto;
    min-height: 64px;
    padding-block: 10px;
  }

  .top-nav {
    display: none;
  }

  .header-cta {
    min-height: 40px;
    padding-inline: 14px;
    font-size: 13px;
  }

  .hero {
    min-height: 820px;
    align-items: end;
  }

  .hero-image {
    object-position: 58% center;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(251, 252, 251, 0.98) 0%, rgba(251, 252, 251, 0.92) 54%, rgba(251, 252, 251, 0.08) 100%);
  }

  .hero-inner {
    width: calc(100% - 36px);
    margin: 0 auto;
    padding: 120px 0 44px;
  }

  h1 {
    font-size: 44px;
  }

  .hero-facts,
  .intro-grid,
  .service-grid,
  .btob-section,
  .results-grid,
  .before-after-grid,
  .flow-grid {
    grid-template-columns: 1fr;
  }

  .section-heading.split,
  .contact-section,
  .trust-band {
    align-items: flex-start;
    flex-direction: column;
  }

  .btob-section {
    padding-inline: 18px;
  }

}

@media (max-width: 560px) {
  .brand span:last-child {
    max-width: 170px;
    line-height: 1.2;
  }

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .contact-actions {
    width: 100%;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .contact-section {
    padding: 28px 20px;
  }
}