:root {
  --ink: #173044;
  --ink-soft: #516775;
  --navy: #173c58;
  --navy-deep: #0e2c42;
  --teal: #2c837b;
  --teal-pale: #e7f3f0;
  --sand: #f3eee3;
  --cream: #fbfaf6;
  --line: #d8e0e2;
  --white: #fff;
  --accent: #d59c49;
  --shadow: 0 18px 55px rgba(17, 48, 68, .11);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.85;
  letter-spacing: .02em;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: .17;
  pointer-events: none;
  background-image: linear-gradient(rgba(23,60,88,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(23,60,88,.05) 1px, transparent 1px);
  background-size: 32px 32px;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }

.demo-bar {
  padding: 7px 20px;
  color: #fff;
  background: var(--navy-deep);
  text-align: center;
  font-size: 12px;
  letter-spacing: .12em;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(23, 48, 68, .08);
  background: rgba(251,250,246,.94);
  backdrop-filter: blur(14px);
}
.header-inner {
  width: min(1180px, calc(100% - 40px));
  min-height: 82px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; line-height: 1.35; }
.brand-mark {
  width: 43px; height: 43px;
  display: grid; place-items: center;
  color: white;
  background: var(--navy);
  border-radius: 50% 50% 50% 8px;
  font-family: "Yu Mincho", serif;
  font-size: 22px;
}
.brand strong { display: block; font-family: "Yu Mincho", serif; font-size: 17px; letter-spacing: .06em; }
.brand small { display: block; color: var(--ink-soft); font-size: 10px; letter-spacing: .11em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 22px; font-weight: 700; font-size: 13px; }
.main-nav a { position: relative; padding: 27px 0; }
.main-nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 19px; height: 2px; background: var(--teal); transition: .25s; }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { right: 0; }
.nav-cta, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid var(--teal);
  border-radius: 999px;
  color: white;
  background: var(--teal);
  font-weight: 800;
  letter-spacing: .04em;
  box-shadow: 0 10px 24px rgba(44,131,123,.18);
  transition: transform .2s, background .2s;
}
.nav-cta { padding: 13px 19px !important; }
.button:hover, .nav-cta:hover { transform: translateY(-2px); background: #236f69; }
.button.secondary { color: var(--navy); background: transparent; border-color: rgba(23,60,88,.35); box-shadow: none; }
.button.secondary:hover { background: #fff; }
.menu-button { display: none; width: 42px; height: 42px; border: 0; background: transparent; color: var(--navy); font-size: 24px; }

.container { width: min(1100px, calc(100% - 40px)); margin: auto; }
.section { padding: 100px 0; }
.section.compact { padding: 72px 0; }
.section.tint { background: #f0f6f4; }
.section.navy { color: white; background: var(--navy-deep); }
.eyebrow { margin: 0 0 14px; color: var(--teal); font-weight: 800; font-size: 12px; letter-spacing: .2em; text-transform: uppercase; }
.navy .eyebrow { color: #84c7bd; }
.section-title, .page-title, .hero h1 {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: .045em;
}
.section-title { font-size: clamp(30px, 4vw, 45px); }
.section-lead { max-width: 710px; margin: 24px 0 0; color: var(--ink-soft); }
.navy .section-lead { color: rgba(255,255,255,.72); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 44px; }
.text-link { flex: 0 0 auto; color: var(--teal); font-weight: 800; font-size: 13px; border-bottom: 1px solid currentColor; }

.hero { overflow: hidden; padding: 74px 0 94px; background: linear-gradient(125deg, #eef5f3 0 58%, #e0ecea 58% 100%); }
.hero-grid { width: min(1180px, calc(100% - 40px)); margin: auto; display: grid; grid-template-columns: 1.06fr .94fr; align-items: center; gap: 60px; }
.hero h1 { font-size: clamp(38px, 5.5vw, 67px); }
.hero h1 span { color: var(--teal); }
.hero-copy { max-width: 610px; margin: 25px 0 30px; color: var(--ink-soft); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { margin-top: 22px; color: #6c7e87; font-size: 12px; }
.visual { position: relative; min-height: 520px; }
.visual::before { content: ""; position: absolute; width: 410px; height: 410px; top: 30px; right: 0; border-radius: 50%; background: var(--navy); }
.visual::after { content: ""; position: absolute; width: 180px; height: 180px; right: 320px; bottom: 15px; border: 1px solid rgba(23,60,88,.18); border-radius: 50%; }
.doc-card {
  position: absolute;
  z-index: 2;
  top: 70px; right: 40px;
  width: 350px;
  padding: 35px;
  border-radius: 5px 5px 48px 5px;
  background: #fff;
  box-shadow: var(--shadow);
  transform: rotate(-2deg);
}
.doc-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.doc-seal { width: 55px; height: 55px; display: grid; place-items: center; color: #9a4e43; border: 2px solid #ad655a; border-radius: 50%; font-family: "Yu Mincho", serif; transform: rotate(8deg); }
.doc-lines { display: grid; gap: 12px; margin: 26px 0; }
.doc-lines i { display: block; height: 7px; border-radius: 99px; background: #dce6e7; }
.doc-lines i:nth-child(2) { width: 82%; }
.doc-lines i:nth-child(3) { width: 68%; }
.doc-tag { padding: 13px 16px; color: var(--navy); background: var(--teal-pale); border-left: 3px solid var(--teal); font-weight: 800; font-size: 13px; }
.floating-card { position: absolute; z-index: 3; left: 5px; bottom: 45px; width: 230px; padding: 18px 20px; border-radius: 16px; background: rgba(255,255,255,.96); box-shadow: var(--shadow); }
.floating-card small { color: var(--teal); font-weight: 800; }
.floating-card strong { display: block; margin-top: 3px; font-family: "Yu Mincho", serif; font-size: 18px; }

.trust-strip { position: relative; z-index: 4; margin-top: -32px; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.trust-item { padding: 26px 30px; display: flex; gap: 17px; align-items: center; border-right: 1px solid var(--line); }
.trust-item:last-child { border: 0; }
.number { flex: 0 0 auto; width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; color: var(--teal); background: var(--teal-pale); font-family: "Yu Mincho", serif; font-size: 20px; }
.trust-item strong { display: block; font-size: 14px; }
.trust-item small { color: var(--ink-soft); font-size: 12px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card, .info-card, .post-card, .price-card {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border: 1px solid rgba(23,60,88,.11);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 8px 30px rgba(17,48,68,.045);
}
.service-card::before { content: attr(data-num); position: absolute; right: 24px; top: 15px; color: #dbe9e7; font-family: Georgia, serif; font-size: 56px; line-height: 1; }
.service-card .icon { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 26px; color: #fff; background: var(--navy); border-radius: 18px 18px 18px 5px; font-size: 24px; }
.service-card h3, .info-card h3, .price-card h3 { position: relative; margin: 0 0 13px; font-family: "Yu Mincho", serif; font-size: 21px; }
.service-card p, .info-card p, .post-card p, .price-card p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.service-card a { display: inline-block; margin-top: 20px; color: var(--teal); font-weight: 800; font-size: 12px; }

.split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 70px; align-items: center; }
.figure-panel { position: relative; min-height: 490px; border-radius: 3px 60px 3px 3px; background: var(--navy); overflow: hidden; }
.figure-panel::before, .figure-panel::after { content: ""; position: absolute; border-radius: 50%; }
.figure-panel::before { width: 330px; height: 330px; right: -60px; top: -60px; background: #2d6571; }
.figure-panel::after { width: 230px; height: 230px; left: -65px; bottom: -80px; border: 1px solid rgba(255,255,255,.24); }
.figure-content { position: absolute; inset: 70px 50px; z-index: 2; display: flex; flex-direction: column; justify-content: space-between; color: #fff; }
.figure-content .jp { font-family: "Yu Mincho", serif; font-size: 38px; line-height: 1.6; }
.figure-content .en { color: rgba(255,255,255,.56); font-size: 11px; letter-spacing: .18em; }
.check-list { list-style: none; padding: 0; margin: 30px 0; display: grid; gap: 18px; }
.check-list li { position: relative; padding-left: 38px; font-weight: 700; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 25px; height: 25px; display: grid; place-items: center; color: white; background: var(--teal); border-radius: 50%; font-size: 12px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.step { position: relative; padding: 0 30px; border-right: 1px solid rgba(255,255,255,.18); }
.step:first-child { padding-left: 0; }
.step:last-child { border: 0; }
.step b { display: block; margin-bottom: 20px; color: #83c6bc; font-family: Georgia, serif; font-size: 38px; }
.step h3 { margin: 0 0 10px; font-size: 17px; }
.step p { margin: 0; color: rgba(255,255,255,.65); font-size: 13px; }

.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post-card { padding: 0; }
.post-visual { aspect-ratio: 16/9; padding: 25px; display: flex; align-items: end; color: white; background: linear-gradient(135deg, var(--navy), #407d80); }
.post-card:nth-child(2) .post-visual { background: linear-gradient(135deg, #47756d, #a6c3b7); }
.post-card:nth-child(3) .post-visual { background: linear-gradient(135deg, #8b6b42, #d0ad78); }
.post-visual span { padding: 5px 9px; border: 1px solid rgba(255,255,255,.45); border-radius: 99px; font-size: 10px; }
.post-body { padding: 25px; }
.post-body time { display: block; margin-bottom: 8px; color: var(--teal); font-size: 11px; }
.post-body h3 { margin: 0 0 9px; font-size: 16px; line-height: 1.7; }

.cta-panel { padding: 58px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; border-radius: 36px 5px 36px 5px; color: white; background: var(--navy); box-shadow: var(--shadow); }
.cta-panel h2 { margin: 0 0 10px; font-family: "Yu Mincho", serif; font-size: clamp(27px, 4vw, 40px); }
.cta-panel p { margin: 0; color: rgba(255,255,255,.7); }
.cta-panel .button { color: var(--navy); background: #fff; border-color: #fff; }

.page-hero { padding: 76px 0 70px; background: linear-gradient(120deg, #e9f3f0, #f7f4ec); border-bottom: 1px solid var(--line); }
.page-title { font-size: clamp(38px, 5vw, 58px); }
.breadcrumb { margin-top: 22px; color: var(--ink-soft); font-size: 11px; }
.page-intro { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.page-intro .lead { margin: 0; color: var(--ink-soft); font-size: 17px; }
.two-col { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.detail-box { padding: 36px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.detail-box h3 { margin: 0 0 15px; font-family: "Yu Mincho", serif; font-size: 21px; }
.detail-box p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.detail-box ul { margin: 18px 0 0; padding-left: 1.3em; color: var(--ink-soft); }
.detail-box li + li { margin-top: 8px; }
.profile-table { width: 100%; border-collapse: collapse; background: white; }
.profile-table th, .profile-table td { padding: 18px 20px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.profile-table th { width: 24%; color: var(--navy); background: #f2f6f5; font-size: 13px; }
.profile-table td { color: var(--ink-soft); font-size: 14px; }
.price-card strong { display: block; margin: 18px 0 8px; color: var(--teal); font-family: Georgia, serif; font-size: 26px; }
.price-card ul { padding-left: 1.2em; color: var(--ink-soft); font-size: 13px; }
.note { padding: 18px 22px; border-left: 4px solid var(--accent); background: #fff9ed; color: #6f5b3f; font-size: 13px; }
.timeline { display: grid; gap: 15px; }
.timeline-item { display: grid; grid-template-columns: 100px 1fr; gap: 25px; padding: 27px; border-radius: 18px; background: #fff; border: 1px solid var(--line); }
.timeline-item b { color: var(--teal); font-family: Georgia, serif; font-size: 25px; }
.timeline-item h3 { margin: 0 0 7px; font-size: 18px; }
.timeline-item p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.article-list { display: grid; gap: 18px; }
.article-row { display: grid; grid-template-columns: 170px 1fr auto; align-items: center; gap: 28px; padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.article-thumb { aspect-ratio: 16/10; display: grid; place-items: center; border-radius: 12px; color: white; background: linear-gradient(135deg, var(--navy), var(--teal)); font-family: "Yu Mincho", serif; }
.article-row time { color: var(--teal); font-size: 11px; }
.article-row h3 { margin: 5px 0 0; font-size: 17px; }
.article-row > span { color: var(--teal); font-size: 22px; }

.contact-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 48px; }
.contact-side { padding: 36px; border-radius: var(--radius); color: white; background: var(--navy); }
.contact-side h2 { margin-top: 0; font-family: "Yu Mincho", serif; }
.contact-side p, .contact-side li { color: rgba(255,255,255,.72); font-size: 13px; }
.contact-side ul { padding-left: 1.2em; }
.form-card { padding: 42px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.field { margin-bottom: 22px; }
.field label { display: block; margin-bottom: 8px; font-weight: 800; font-size: 13px; }
.required { margin-left: 8px; color: #9b5148; font-size: 10px; }
.field input, .field textarea, .field select { width: 100%; padding: 13px 15px; border: 1px solid #cbd6d8; border-radius: 9px; background: #fafcfc; color: var(--ink); }
.field textarea { min-height: 150px; resize: vertical; }
.form-note { color: var(--ink-soft); font-size: 12px; }

.site-footer { padding: 70px 0 30px; color: rgba(255,255,255,.75); background: #0b2739; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr .7fr; gap: 50px; padding-bottom: 50px; }
.site-footer .brand { color: white; }
.site-footer .brand small, .site-footer p { color: rgba(255,255,255,.58); }
.site-footer h3 { margin: 0 0 15px; color: #fff; font-size: 13px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; font-size: 13px; }
.site-footer li + li { margin-top: 8px; }
.copyright { padding-top: 25px; border-top: 1px solid rgba(255,255,255,.13); display: flex; justify-content: space-between; gap: 20px; font-size: 10px; }
.demo-disclaimer { color: #e8bd7a !important; }

.toast { position: fixed; z-index: 50; left: 50%; bottom: 30px; transform: translate(-50%, 25px); padding: 15px 22px; border-radius: 10px; color: #fff; background: var(--navy-deep); box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: .25s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 980px) {
  .menu-button { display: block; }
  .main-nav { position: absolute; top: 100%; left: 0; right: 0; display: none; padding: 16px 24px 25px; flex-direction: column; align-items: stretch; gap: 0; background: var(--cream); border-bottom: 1px solid var(--line); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 4px; }
  .main-nav a::after { display: none; }
  .nav-cta { margin-top: 10px; text-align: center; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 55px; }
  .visual { min-height: 420px; }
  .cards, .post-grid, .three-col { grid-template-columns: repeat(2, 1fr); }
  .split, .page-intro, .contact-layout { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 35px 0; }
  .step:nth-child(2) { border-right: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-about { grid-column: 1/-1; }
}

@media (max-width: 680px) {
  .header-inner, .container, .hero-grid { width: min(100% - 28px, 1100px); }
  .header-inner { min-height: 68px; }
  .brand strong { font-size: 14px; }
  .brand small { display: none; }
  .brand-mark { width: 37px; height: 37px; }
  .section { padding: 72px 0; }
  .hero { padding: 46px 0 76px; }
  .hero h1 { font-size: 39px; }
  .hero-copy { font-size: 15px; }
  .hero-actions { display: grid; }
  .visual { min-height: 360px; }
  .visual::before { width: 300px; height: 300px; }
  .doc-card { width: 270px; right: 5px; top: 40px; padding: 25px; }
  .floating-card { left: 0; bottom: 25px; width: 200px; }
  .trust-grid, .cards, .post-grid, .two-col, .three-col { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .section-head { display: block; }
  .section-head .text-link { display: inline-block; margin-top: 22px; }
  .figure-panel { min-height: 390px; }
  .figure-content { inset: 45px 30px; }
  .figure-content .jp { font-size: 30px; }
  .steps { grid-template-columns: 1fr; }
  .step, .step:first-child { padding: 0 0 25px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .cta-panel { padding: 38px 26px; grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 5px; }
  .article-row { grid-template-columns: 95px 1fr; gap: 16px; }
  .article-row > span { display: none; }
  .form-card { padding: 27px 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-about { grid-column: auto; }
  .copyright { display: block; }
}