:root {
  --ink: #12211a;
  --muted: #64716a;
  --green: #1f5b3b;
  --green-2: #3f8662;
  --mint: #e9f5ee;
  --cream: #fff8ec;
  --gold: #c48b3f;
  --white: #fff;
  --bg: #f7faf6;
  --line: rgba(18, 33, 26, .12);
  --shadow: 0 24px 70px rgba(31, 91, 59, .15);
  --radius: 24px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", system-ui, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(233, 245, 238, .72), transparent 420px),
    var(--bg);
  overflow-x: hidden;
}

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

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

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

.loader {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: grid;
  place-items: center;
  background: #f9fcf8;
  transition: opacity .5s ease, visibility .5s ease;
}

.loader.hide {
  opacity: 0;
  visibility: hidden;
}

.loader-mark {
  font-family: "Shippori Mincho", serif;
  font-size: 34px;
  font-weight: 700;
  color: var(--green);
}

.loader-bar {
  position: absolute;
  bottom: 38%;
  width: 180px;
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: #dbe9df;
}

.loader-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--gold));
  animation: load 1.1s ease infinite;
}

@keyframes load {
  0% { width: 0; }
  100% { width: 100%; }
}

.progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--green), var(--gold));
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, .72);
  background: rgba(250, 252, 249, .82);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--green), var(--green-2));
  color: #fff;
  font-family: "Shippori Mincho", serif;
  font-weight: 700;
  box-shadow: 0 14px 30px rgba(31, 91, 59, .22);
}

.brand small {
  display: block;
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
}

.brand strong {
  display: block;
  font-family: "Shippori Mincho", serif;
  font-size: 24px;
  line-height: 1.1;
}

.nav {
  display: flex;
  gap: 22px;
}

.nav a {
  position: relative;
  color: #53615a;
  font-size: 14px;
  font-weight: 800;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--gold);
  transition: width .24s ease;
}

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

.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}

.call-btn,
.mobile-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-weight: 900;
  box-shadow: 0 16px 34px rgba(31, 91, 59, .2);
}

.menu {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.menu i {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.mobile-nav {
  display: none;
  padding: 0 16px 18px;
  gap: 12px;
  flex-direction: column;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav a:not(.mobile-call) {
  padding: 12px 14px;
  border-radius: 14px;
  background: #fff;
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero-bg-slider,
.hero-bg-slider img,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-bg-slider img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 1.2s ease, transform 5.2s ease;
}

.hero-bg-slider img.active {
  opacity: 1;
  transform: scale(1);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(247, 250, 246, .98) 0%, rgba(247, 250, 246, .88) 42%, rgba(247, 250, 246, .28) 100%),
    linear-gradient(180deg, transparent 72%, var(--bg) 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(340px, .72fr);
  gap: 42px;
  align-items: center;
  padding: 70px 0 90px;
}

.eyebrow,
.section-title span,
.center-title span,
.price-panel > span,
.contact-card span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 14px;
  border: 1px solid rgba(31, 91, 59, .14);
  border-radius: 999px;
  background: rgba(233, 245, 238, .88);
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 20px 0;
  font-family: "Shippori Mincho", serif;
  font-size: clamp(58px, 8vw, 104px);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: 0;
}

.hero p,
.section-title p {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  font-weight: 500;
  line-height: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 15px 24px;
  border-radius: 999px;
  font-weight: 900;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}

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

.primary {
  background: linear-gradient(135deg, var(--green), var(--green-2));
  color: #fff;
  box-shadow: 0 18px 42px rgba(31, 91, 59, .24);
}

.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .82);
  color: var(--green);
}

.wide {
  width: 100%;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  color: #435149;
  font-size: 13px;
  font-weight: 800;
}

.hero-card {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, .82);
  border-radius: 28px;
  background: rgba(255, 255, 255, .82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.card-label {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero-card h2 {
  margin: 10px 0 20px;
  font-family: "Shippori Mincho", serif;
  font-size: 34px;
}

.hero-price {
  padding: 18px;
  margin: 12px 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}

.hero-price span,
.price-list small {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-weight: 800;
}

.hero-price strong,
.price-list strong {
  display: block;
  color: var(--green);
  font-size: 30px;
  font-weight: 900;
}

.hero-price em,
.price-list em {
  margin-right: 8px;
  color: #9aa49e;
  font-size: .62em;
  font-style: normal;
  text-decoration: line-through;
}

.hero-card p {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.hero-strip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 42px;
  overflow: hidden;
  padding: 16px 0;
  background: linear-gradient(90deg, var(--green), #173e2b);
  color: rgba(255, 255, 255, .92);
  font-family: "Shippori Mincho", serif;
  font-size: 20px;
  font-weight: 700;
  white-space: nowrap;
}

.hero-strip span {
  min-width: max-content;
}

.section-pad {
  padding: 88px 0;
}

.intro-grid,
.price-grid,
.faq-grid,
.contact-card {
  display: grid;
  grid-template-columns: .86fr 1.14fr;
  gap: 34px;
  align-items: start;
}

.section-title h2,
.center-title h2,
.price-panel h2,
.contact-card h2 {
  margin: 16px 0;
  font-family: "Shippori Mincho", serif;
  font-size: clamp(34px, 4.5vw, 56px);
  line-height: 1.18;
  font-weight: 700;
}

.reason-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.reason-card,
.price-panel,
.calculator,
.flow-item,
.faq-list details,
.contact-card {
  border: 1px solid rgba(255, 255, 255, .82);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .78);
  box-shadow: 0 18px 55px rgba(31, 91, 59, .1);
  backdrop-filter: blur(16px);
}

.reason-card {
  min-height: 260px;
  padding: 26px;
}

.reason-card b,
.flow-item b {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 17px;
  background: var(--mint);
  color: var(--green);
  font-weight: 900;
}

.reason-card h3,
.flow-item h3 {
  margin: 20px 0 10px;
  font-size: 22px;
}

.reason-card p,
.flow-item p,
.faq-list p,
.price-panel p,
.contact-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.center-title {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
}

.service-showcase {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 22px;
  align-items: stretch;
}

.service-tabs {
  display: grid;
  gap: 12px;
}

.service-tabs button {
  min-height: 72px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 17px;
  font-weight: 900;
  text-align: left;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}

.service-tabs button:hover,
.service-tabs button.active {
  transform: translateX(4px);
  background: var(--green);
  color: #fff;
}

.service-stage {
  position: relative;
  min-height: 540px;
  overflow: hidden;
  border-radius: 30px;
  box-shadow: var(--shadow);
  background: #dfe9e2;
}

.service-stage img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity .24s ease;
}

.service-caption {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: 22px;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(16px);
}

.service-caption small {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.service-caption h3 {
  margin: 6px 0 8px;
  font-size: 30px;
}

.service-caption p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.price {
  background:
    linear-gradient(180deg, #fff, rgba(255, 248, 236, .78) 45%, var(--bg));
}

.price-grid {
  grid-template-columns: 1.05fr .95fr;
}

.price-panel,
.calculator,
.contact-card {
  padding: 34px;
}

.price-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.price-list div {
  min-height: 122px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}

.note {
  margin-top: 18px;
}

.calculator h3 {
  margin: 0 0 12px;
  font-size: 28px;
}

.calculator label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 800;
}

.calculator input[type="number"] {
  width: 92px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  font-size: 18px;
}

.calculator .check {
  justify-content: flex-start;
}

.calculator input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--green);
}

.total {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  margin: 26px 0;
  padding: 22px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--mint), #fff);
}

.total span {
  color: var(--muted);
  font-weight: 800;
}

.total strong {
  color: var(--green);
  font-size: 34px;
  font-weight: 900;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.flow-item {
  min-height: 238px;
  padding: 26px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  grid-auto-rows: 230px;
  gap: 14px;
}

.gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 22px;
  box-shadow: 0 16px 44px rgba(31, 91, 59, .12);
  cursor: pointer;
  transition: transform .24s ease, filter .24s ease;
}

.gallery-grid img:first-child {
  grid-row: span 2;
}

.gallery-grid img:hover {
  transform: translateY(-4px);
  filter: saturate(1.04) contrast(1.02);
}

.faq-grid {
  grid-template-columns: .8fr 1.2fr;
}

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

.faq-list details {
  padding: 22px;
}

.faq-list summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 900;
}

.faq-list p {
  padding-top: 12px;
}

.contact-card {
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .88), rgba(233, 245, 238, .9)),
    var(--white);
}

.big-call {
  display: block;
  color: var(--green);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 900;
  line-height: 1.1;
}

.footer {
  padding: 34px 0 104px;
  background: #fff;
  color: var(--muted);
}

.footer .container {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.footer strong {
  color: var(--ink);
  font-family: "Shippori Mincho", serif;
  font-size: 22px;
}

.bottom-cta {
  position: fixed;
  left: 50%;
  bottom: 14px;
  z-index: 120;
  display: grid;
  grid-template-columns: 1fr .64fr;
  gap: 10px;
  width: min(680px, calc(100% - 20px));
  transform: translateX(-50%);
}

.bottom-cta a {
  min-height: 54px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: #fff;
  font-weight: 900;
  box-shadow: 0 18px 45px rgba(31, 91, 59, .18);
}

.bottom-cta a:first-child {
  background: linear-gradient(135deg, var(--green), var(--green-2));
  color: #fff;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(9, 18, 13, .78);
}

.lightbox.open {
  display: grid;
}

.lightbox img {
  max-height: 86vh;
  border-radius: 22px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .34);
}

.lightbox button {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: #fff;
  color: var(--ink);
  font-size: 28px;
  cursor: pointer;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .72s ease, transform .72s ease;
}

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

.delay-1 {
  transition-delay: .08s;
}

.delay-2 {
  transition-delay: .16s;
}

.delay-3 {
  transition-delay: .24s;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media (max-width: 1020px) {
  .nav,
  .call-btn {
    display: none;
  }

  .menu {
    display: block;
  }

  .hero {
    min-height: 720px;
  }

  .hero-inner,
  .intro-grid,
  .service-showcase,
  .price-grid,
  .faq-grid,
  .contact-card {
    grid-template-columns: 1fr;
  }

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

  .service-stage {
    min-height: 440px;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 24px), var(--max));
  }

  .nav-wrap {
    height: 68px;
  }

  .brand-icon {
    width: 42px;
    height: 42px;
  }

  .brand small {
    font-size: 10px;
  }

  .brand strong {
    font-size: 21px;
  }

  .hero {
    min-height: 780px;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(247, 250, 246, .98), rgba(247, 250, 246, .92), rgba(247, 250, 246, .58)),
      linear-gradient(180deg, transparent 78%, var(--bg) 100%);
  }

  .hero-inner {
    padding: 42px 0 82px;
    gap: 24px;
  }

  .hero h1 {
    font-size: 54px;
  }

  .hero p,
  .section-title p {
    font-size: 15px;
    line-height: 1.9;
  }

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

  .btn {
    min-height: 52px;
  }

  .hero-card,
  .price-panel,
  .calculator,
  .contact-card {
    padding: 24px;
    border-radius: 22px;
  }

  .section-pad {
    padding: 64px 0;
  }

  .reason-cards,
  .timeline,
  .price-list,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .reason-card,
  .flow-item {
    min-height: auto;
  }

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

  .service-tabs button {
    min-height: 58px;
    padding: 14px;
    font-size: 15px;
    text-align: center;
  }

  .service-tabs button:hover,
  .service-tabs button.active {
    transform: none;
  }

  .service-stage {
    min-height: 420px;
    border-radius: 24px;
  }

  .service-caption {
    left: 14px;
    right: 14px;
    bottom: 14px;
    padding: 18px;
  }

  .service-caption h3 {
    font-size: 24px;
  }

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

  .total strong {
    font-size: 30px;
  }

  .gallery-grid {
    grid-auto-rows: 230px;
  }

  .gallery-grid img:first-child {
    grid-row: span 1;
  }

  .footer .container {
    flex-direction: column;
  }

  .bottom-cta {
    grid-template-columns: 1fr;
  }
}