:root {
  --ink: #1f2524;
  --muted: #5b6461;
  --paper: #fbfaf7;
  --soft: #eef2ee;
  --line: #d9ded8;
  --green: #1d6b58;
  --green-deep: #124538;
  --copper: #b86e3d;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(18, 31, 27, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, 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: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(251, 250, 247, 0.92);
  border-bottom: 1px solid rgba(217, 222, 216, 0.8);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 215px;
}

.brand-mark {
  position: relative;
  display: block;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--green), var(--copper));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22);
  overflow: hidden;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: rgba(255, 255, 255, 0.5);
}

.brand-mark::before {
  left: 11px;
  top: 8px;
  width: 2px;
  height: 26px;
}

.brand-mark::after {
  left: 13px;
  right: 7px;
  bottom: 10px;
  height: 2px;
  transform: skewX(-28deg);
  transform-origin: left center;
}

.brand-room {
  position: absolute;
  right: 7px;
  bottom: 7px;
  width: 18px;
  height: 14px;
  border-right: 2px solid rgba(255, 255, 255, 0.58);
  border-bottom: 2px solid rgba(255, 255, 255, 0.58);
}

.brand-room::before,
.brand-room::after {
  content: "";
  position: absolute;
  right: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.35);
  transform: skewX(-28deg);
}

.brand-room::before {
  bottom: 4px;
  width: 15px;
}

.brand-room::after {
  bottom: 9px;
  width: 11px;
}

.brand-letter {
  position: absolute;
  left: 8px;
  top: 2px;
  z-index: 1;
  color: var(--white);
  font-size: 25px;
  font-weight: 900;
  line-height: 42px;
  text-shadow: 0 2px 8px rgba(18, 31, 27, 0.28);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 17px;
  line-height: 1.2;
}

.brand small {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.nav a {
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--green);
}

.nav-cta {
  padding: 9px 16px;
  border-radius: 8px;
  color: var(--white) !important;
  background: var(--green);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.lang-switch a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 9px;
  border-radius: 6px;
}

.lang-switch a.active {
  color: var(--white);
  background: var(--green);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 128px clamp(20px, 5vw, 72px) 72px;
}

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

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

.hero-shade {
  background:
    linear-gradient(90deg, rgba(251, 250, 247, 0.96) 0%, rgba(251, 250, 247, 0.76) 39%, rgba(251, 250, 247, 0.08) 74%),
    linear-gradient(0deg, rgba(31, 37, 36, 0.14), rgba(31, 37, 36, 0));
}

.hero-content {
  position: relative;
  max-width: 720px;
}

.eyebrow,
.section-label {
  margin: 0 0 12px;
  color: var(--copper);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 660px;
  margin-bottom: 22px;
  font-size: clamp(39px, 6vw, 72px);
  line-height: 1.12;
  letter-spacing: 0;
}

h1 span {
  display: block;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(27px, 3.6vw, 43px);
  line-height: 1.25;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.35;
}

.lead {
  max-width: 620px;
  color: #33403c;
  font-size: 18px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 800;
}

.button.primary {
  color: var(--white);
  background: var(--green);
  box-shadow: var(--shadow);
}

.button.secondary {
  color: var(--green-deep);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
}

.section {
  padding: 88px clamp(20px, 5vw, 72px);
}

.intro,
.split,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: center;
}

.intro p:last-child,
.split p {
  color: var(--muted);
  font-size: 17px;
}

.section-head {
  max-width: 840px;
  margin-bottom: 32px;
}

.services {
  background: var(--soft);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 250px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(31, 37, 36, 0.06);
}

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

.service-photo {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 22px;
  border: 1px solid var(--line);
}

.icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  border-radius: 8px;
  color: var(--green-deep);
  background: #e3eee7;
  font-weight: 900;
}

.trust {
  background: var(--paper);
}

.price {
  background: #f5f1eb;
}

.price .section-head p:last-child {
  color: var(--muted);
  font-size: 17px;
}

.price-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 24px;
  align-items: stretch;
}

.price-panel,
.price-guide {
  border: 1px solid #e2d9cd;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(31, 37, 36, 0.06);
}

.price-panel {
  padding: 26px;
}

.price-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 20px;
}

.price-tab {
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--green-deep);
  background: var(--soft);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.price-tab.active {
  color: var(--white);
  background: var(--green);
  border-color: var(--green);
}

.price-inputs {
  display: grid;
  gap: 16px;
}

.price-inputs label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
}

.price-inputs select,
.price-inputs input {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

.area-input {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.area-input span {
  color: var(--muted);
  font-weight: 900;
}

.price-result {
  margin-top: 22px;
  padding: 22px;
  border-radius: 8px;
  color: var(--white);
  background: var(--green-deep);
}

.price-result span,
.price-result small {
  display: block;
}

.price-result span {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 800;
}

.price-result strong {
  display: block;
  margin: 8px 0 4px;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.1;
}

.price-result small {
  color: rgba(255, 255, 255, 0.72);
}

.price-guide {
  padding: 28px;
}

.price-guide h3 {
  color: var(--green-deep);
}

.price-guide dl {
  display: grid;
  gap: 12px;
  margin: 0 0 18px;
}

.price-guide dl div {
  padding: 16px;
  border-left: 4px solid var(--copper);
  background: var(--paper);
}

.price-guide dt {
  margin-bottom: 6px;
  font-weight: 900;
}

.price-guide dd {
  margin: 0;
  color: var(--muted);
}

.price-guide p {
  margin-bottom: 0;
  color: var(--muted);
}

.price-guide .price-minimum {
  margin-bottom: 14px;
  padding: 14px 16px;
  border-radius: 8px;
  color: var(--green-deep);
  background: #e3eee7;
}

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

.trust-grid article {
  min-height: 210px;
  padding: 28px;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(31, 37, 36, 0.06);
}

.trust-grid strong {
  display: block;
  margin-bottom: 12px;
  color: var(--green-deep);
  font-size: 21px;
  line-height: 1.4;
}

.trust-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.work-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.work-list span {
  min-height: 58px;
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border-left: 4px solid var(--green);
  background: var(--white);
  box-shadow: 0 8px 24px rgba(31, 37, 36, 0.06);
  font-weight: 800;
}

.area {
  background: var(--soft);
}

.area .section-head p:last-child {
  color: var(--muted);
  font-size: 17px;
}

.area-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.area-list span {
  display: grid;
  place-items: center;
  min-height: 76px;
  border-radius: 8px;
  color: var(--green-deep);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(31, 37, 36, 0.06);
  font-size: 20px;
  font-weight: 900;
}

.flow {
  background: #f5f1eb;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: flow;
}

.flow-list li {
  position: relative;
  min-height: 200px;
  padding: 28px 22px 22px;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid #e2d9cd;
}

.flow-list li::before {
  counter-increment: flow;
  content: "0" counter(flow);
  display: block;
  margin-bottom: 24px;
  color: var(--copper);
  font-size: 25px;
  font-weight: 900;
  line-height: 1;
}

.flow-list strong,
.flow-list span {
  display: block;
}

.flow-list span {
  margin-top: 8px;
  color: var(--muted);
}

.faq {
  background: var(--paper);
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 940px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 8px 24px rgba(31, 37, 36, 0.05);
}

.faq-list summary {
  cursor: pointer;
  padding: 20px 24px;
  color: var(--green-deep);
  font-weight: 900;
}

.faq-list p {
  margin: 0;
  padding: 0 24px 22px;
  color: var(--muted);
}

.contact {
  margin: 0 clamp(20px, 5vw, 72px) 72px;
  padding: clamp(34px, 6vw, 60px);
  border-radius: 8px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(18, 69, 56, 0.96), rgba(29, 107, 88, 0.92)),
    url("assets/revax-hero.png") center / cover;
  box-shadow: var(--shadow);
}

.contact .section-label,
.contact p {
  color: rgba(255, 255, 255, 0.82);
}

.contact h2 {
  color: var(--white);
}

.contact-reassurance {
  margin-top: 22px;
  padding: 16px 18px;
  border-left: 4px solid rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
}

.contact-box {
  justify-self: end;
  width: min(100%, 420px);
  padding: 28px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.contact-note,
.contact-box small {
  display: block;
}

.contact-note {
  margin-bottom: 14px;
  font-weight: 800;
}

.contact-box small {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.72);
}

.contact-form-button,
.form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 54px;
  padding: 14px 22px;
  border: 0;
  border-radius: 8px;
  color: var(--green-deep);
  background: var(--white);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 12px 32px rgba(18, 31, 27, 0.14);
}

.form-section {
  background: var(--paper);
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  max-width: 900px;
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

.inquiry-form textarea {
  resize: vertical;
}

.inquiry-form .full,
.form-submit {
  grid-column: 1 / -1;
}

.form-submit {
  color: var(--white);
  background: var(--green);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer a {
  font-weight: 800;
}

@media (max-width: 960px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .lang-switch {
    align-self: flex-start;
  }

  .hero {
    min-height: 820px;
    padding-top: 70px;
    align-items: start;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(251, 250, 247, 0.98) 0%, rgba(251, 250, 247, 0.84) 48%, rgba(251, 250, 247, 0.22) 100%),
      linear-gradient(0deg, rgba(31, 37, 36, 0.12), rgba(31, 37, 36, 0));
  }

  .intro,
  .split,
  .contact,
  .price-layout {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .trust-grid,
  .flow-list,
  .area-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-box {
    justify-self: stretch;
  }
}

@media (max-width: 640px) {
  .brand {
    min-width: 0;
  }

  .nav {
    gap: 12px;
    font-size: 13px;
  }

  .nav-cta {
    padding: 8px 12px;
  }

  .hero {
    min-height: 760px;
  }

  h1 {
    font-size: 32px;
  }

  .lead {
    font-size: 16px;
  }

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

  .service-grid,
  .trust-grid,
  .flow-list,
  .work-list,
  .area-list,
  .inquiry-form {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .contact {
    margin-bottom: 48px;
    padding: 30px 20px;
  }

  .footer {
    flex-direction: column;
  }
}