:root {
  --ink: #1b1916;
  --ink-soft: #3a342c;
  --muted: #5e574e;
  --line: rgba(27, 25, 22, 0.14);
  --paper: #f3efe6;
  --sand: #e7e0d2;
  --white: #faf8f4;
  --moss: #1e3a2f;
  --moss-2: #2a4d3e;
  --persimmon: #c24e24;
  --persimmon-dark: #8f3516;
  --gold: #8c7044;
  --serif: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", serif;
  --sans: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  --en: "Outfit", "Zen Kaku Gothic New", sans-serif;
  --max: 1120px;
  --gutter: 24px;
  color-scheme: light;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0.02em;
}

body:has(.nav-check:checked) { overflow: hidden; }

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

a { color: inherit; }

button, input, select, textarea { font: inherit; color: inherit; }

h1, h2, h3, h4, p { margin: 0; }

h1, h2, h3, .serif { font-family: var(--serif); font-weight: 500; letter-spacing: 0.04em; }

h1 { font-size: clamp(40px, 6.4vw, 76px); line-height: 1.22; }

h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.35; }

h3 { font-size: clamp(22px, 2vw, 28px); line-height: 1.45; }

.skip {
  position: absolute;
  left: 16px;
  top: -40px;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 12px;
  z-index: 100;
}

.skip:focus { top: 12px; }

:focus-visible {
  outline: 2px solid var(--persimmon);
  outline-offset: 3px;
}

.container {
  width: min(var(--max), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

.narrow { width: min(760px, 100%); }

.eyebrow {
  font-family: var(--en);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--moss);
}

.lede {
  margin-top: 18px;
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 42em;
}

.muted { color: var(--muted); }

.fine {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.section { padding: 92px 0; }

.section-tight { padding-top: 28px; }

caption {
  caption-side: bottom;
  text-align: left;
  padding-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.form-panel { display: grid; gap: 14px; }

.section-sand { background: var(--sand); }

.section-moss { background: var(--moss); color: #f6f1e8; }

.section-moss .eyebrow { color: #d7c4a4; }

.section-moss .muted,
.section-moss .fine { color: rgba(246, 241, 232, 0.74); }

.section-head {
  display: grid;
  grid-template-columns: 1fr minmax(240px, 0.7fr);
  gap: 24px 48px;
  align-items: end;
  margin-bottom: 40px;
}

.section-head p:last-child { color: var(--muted); }

.section-moss .section-head p:last-child { color: rgba(246, 241, 232, 0.78); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  background: transparent;
  text-decoration: none;
  letter-spacing: 0.06em;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary { background: var(--persimmon); color: #fffaf6; }

.btn-primary:hover { background: var(--persimmon-dark); }

.btn-ghost { border-color: var(--ink); color: var(--ink); }

.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.btn-light { background: var(--paper); color: var(--ink); }

.btn-light:hover { background: white; }

.btn-line { border-color: rgba(246, 241, 232, 0.55); color: #f6f1e8; }

.btn-line:hover { background: #f6f1e8; color: var(--moss); }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243, 239, 230, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.announce {
  background: var(--moss);
  color: #f6f1e8;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.announce a {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 8px 16px;
  text-decoration: none;
}

.announce strong { font-weight: 500; color: #f0c7b4; }

.header-inner {
  width: min(var(--max), calc(100% - var(--gutter) * 2));
  margin: 0 auto;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.logo-mark { width: 36px; height: 36px; flex: none; }

.logo-text { display: flex; flex-direction: column; line-height: 1.15; }

.logo-en {
  font-family: var(--en);
  font-size: 15px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}

.logo-ja { font-size: 11px; letter-spacing: 0.18em; color: var(--muted); }

.nav-check {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--ink);
  min-height: 40px;
  padding: 0 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.nav-toggle .close { display: none; }

.header-inner:has(.nav-check:checked) .nav-toggle .open { display: none; }

.header-inner:has(.nav-check:checked) .nav-toggle .close { display: inline; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav a {
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.06em;
}

.site-nav a[aria-current="page"] {
  box-shadow: inset 0 -1px 0 var(--persimmon);
}

.nav-cta {
  border: 1px solid var(--ink);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
}

.nav-cta:hover,
.site-nav a.nav-cta[aria-current="page"] {
  background: var(--ink);
  color: var(--paper);
  box-shadow: none;
}

.hero { padding: 36px 0 28px; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.72fr);
  gap: 36px;
  align-items: stretch;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 12px 0 20px;
}

.hero-copy h1 { max-width: 8em; }

.hero-panel {
  background:
    radial-gradient(circle at 70% 20%, rgba(240, 199, 180, 0.18), transparent 28%),
    linear-gradient(165deg, var(--moss-2), var(--moss) 55%);
  color: #f6f1e8;
  min-height: 460px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(246, 241, 232, 0.25);
  border-radius: 50%;
  right: -40px;
  bottom: -50px;
}

.vtext {
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.22em;
  line-height: 1.8;
  align-self: flex-start;
}

.seal {
  width: 92px;
  height: 92px;
  border: 1px solid rgba(246, 241, 232, 0.7);
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 0.12em;
  line-height: 1.45;
  position: relative;
  z-index: 1;
}

.hero-meta {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  border-top: 1px solid var(--line);
  margin-top: 28px;
}

.hero-meta div { padding: 16px 18px 4px 0; }

.hero-meta div + div { padding-left: 18px; border-left: 1px solid var(--line); }

.hero-meta span {
  display: block;
  font-family: var(--en);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.offer-band {
  background: var(--ink);
  color: #f6f1e8;
}

.offer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 26px 0;
}

.offer-price {
  font-family: var(--en);
  font-size: 42px;
  letter-spacing: 0.02em;
  line-height: 1;
  font-weight: 500;
}

.offer-price s {
  display: block;
  font-size: 14px;
  color: rgba(246, 241, 232, 0.55);
  margin-bottom: 6px;
}

.offer-price small {
  font-family: var(--sans);
  font-size: 12px;
  margin-left: 6px;
  letter-spacing: 0.08em;
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px 28px;
  padding: 8px 0 32px;
  border-bottom: 1px solid var(--line);
}

.trust-row div { padding: 0; }

.trust-row strong {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.trust-row span { color: var(--muted); font-size: 13px; }

.pillar-grid,
.card-grid,
.plan-grid,
.scenario-grid,
.news-grid,
.related-grid { display: grid; gap: 14px; }

.pillar-grid { grid-template-columns: 1fr 1fr; }

.pillar, .card, .scenario, .news-card, .related-card, .plan {
  display: block;
  text-decoration: none;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 26px;
  min-height: 100%;
  color: inherit;
}

a.pillar:hover,
a.card:hover,
a.scenario:hover,
a.news-card:hover,
a.related-card:hover,
a.plan:hover { border-color: var(--ink); }

.idx {
  font-family: var(--en);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.pillar h3, .card h3, .scenario h3, .related-card h3 { margin: 10px 0; }

.more {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  letter-spacing: 0.12em;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.quote {
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.55;
  letter-spacing: 0.06em;
}

.step-list, .check-list { list-style: none; margin: 0; padding: 0; }

.step-list li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.section-moss .step-list li { border-top-color: rgba(246, 241, 232, 0.18); }

.step-list strong { display: block; font-size: 18px; }

.check-list li {
  padding: 10px 0 10px 22px;
  position: relative;
  border-bottom: 1px solid var(--line);
}

.check-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--persimmon);
  border-bottom: 1px solid var(--persimmon);
  position: absolute;
  left: 0;
  top: 18px;
  transform: rotate(45deg);
}

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

.plan-grid { grid-template-columns: repeat(3, 1fr); align-items: stretch; }

.plan { background: var(--white); }

.plan-featured {
  background: var(--moss);
  color: #f6f1e8;
  border-color: var(--moss);
}

.plan .yen {
  font-family: var(--en);
  font-size: 36px;
  line-height: 1;
  margin: 18px 0 8px;
  font-weight: 500;
}

.plan .yen span { font-size: 14px; margin-left: 4px; font-family: var(--sans); }

.plan ul { margin: 16px 0 0; padding: 0; list-style: none; }

.plan li {
  padding: 8px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.plan-featured li { border-top-color: rgba(246, 241, 232, 0.18); }

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

.news-grid { grid-template-columns: 1fr 1fr 1fr; }

.news-card time, .meta-time {
  display: block;
  font-family: var(--en);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 8px;
}

.cta-band {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 24px;
  align-items: center;
  padding: 36px;
  background: var(--sand);
  border: 1px solid var(--line);
}

.page-hero { padding: 54px 0 20px; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 16px;
}

.breadcrumb a { color: var(--moss); }

.prose { max-width: 46em; }

.prose p + p,
.prose ul + p,
.prose p + ul,
.stack > * + * { margin-top: 1em; }

.prose h2, .stack h2 { margin-top: 0; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 40px;
}

.table-wrap { overflow-x: auto; border-top: 1px solid var(--ink); }

table { width: 100%; border-collapse: collapse; min-width: 560px; }

th, td {
  text-align: left;
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-weight: 400;
}

th {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 500;
}

td.num, th.num { text-align: right; white-space: nowrap; font-family: var(--en); }

.note-box {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 22px;
}

.note-box h3 { margin-bottom: 8px; }

.info-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 10px 18px;
}

.info-grid dt { color: var(--muted); }

.info-grid dd { margin: 0; }

.faq details {
  border-top: 1px solid var(--line);
  padding: 14px 0;
}

.faq details:last-child { border-bottom: 1px solid var(--line); }

.faq summary {
  cursor: pointer;
  font-weight: 500;
  letter-spacing: 0.04em;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after { content: "＋"; font-family: var(--en); color: var(--persimmon); }

.faq details[open] summary::after { content: "－"; }

.faq details p { color: var(--ink-soft); margin-top: 8px; }

.form-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px;
  align-items: start;
}

form { display: grid; gap: 14px; }

label { display: grid; gap: 6px; font-size: 14px; }

input, select, textarea {
  width: 100%;
  background: var(--white);
  border: 1px solid rgba(27, 25, 22, 0.22);
  padding: 12px 12px;
  border-radius: 0;
  min-height: 48px;
}

textarea { min-height: 140px; resize: vertical; }

.consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
}

.consent input { width: 18px; height: 18px; min-height: 18px; margin-top: 4px; }

.form-error {
  color: var(--persimmon-dark);
  font-size: 14px;
  min-height: 1.4em;
}

.form-success {
  background: var(--moss);
  color: #f6f1e8;
  padding: 28px;
}

.form-success a { color: #f0c7b4; }

.map-frame {
  width: 100%;
  min-height: 380px;
  border: 0;
  background: var(--sand);
  filter: grayscale(0.35) contrast(0.95);
}

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

.site-footer {
  background: #141311;
  color: #f3efe6;
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 28px;
}

.site-footer a { text-decoration: none; }

.site-footer a:hover { text-decoration: underline; }

.footer-brand .logo { color: #f3efe6; align-items: flex-start; }

.footer-brand .logo-ja { color: rgba(243, 239, 230, 0.62); }

.site-footer h2 {
  font-family: var(--en);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  color: #d7c4a4;
  margin-bottom: 12px;
}

.site-footer ul { list-style: none; margin: 0; padding: 0; }

.site-footer li { margin: 8px 0; font-size: 14px; }

.footer-base {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px solid rgba(243, 239, 230, 0.14);
  color: rgba(243, 239, 230, 0.62);
  font-size: 12px;
}

.mobile-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  grid-template-columns: 1fr 1.4fr;
  background: var(--ink);
}

.mobile-bar a {
  color: #f6f1e8;
  text-decoration: none;
  text-align: center;
  min-height: 54px;
  display: grid;
  place-items: center;
  letter-spacing: 0.08em;
}

.mobile-bar a + a { background: var(--persimmon); }

.article-hero time { margin-bottom: 10px; }

@media (max-width: 980px) {
  .section-head,
  .split,
  .form-layout,
  .offer-inner,
  .hero-grid,
  .cta-band { grid-template-columns: 1fr; }

  .card-grid,
  .plan-grid,
  .scenario-grid,
  .news-grid,
  .related-grid,
  .footer-grid { grid-template-columns: 1fr 1fr; }

  .hero-grid { min-height: 0; }

  .hero-panel { min-height: 280px; }

  .offer-inner { justify-items: start; }
}

@media (max-width: 920px) {
  .nav-toggle { display: inline-flex; align-items: center; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: calc(var(--gutter) * -1);
    right: calc(var(--gutter) * -1);
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 20px;
    gap: 0;
  }

  .header-inner:has(.nav-check:checked) .site-nav { display: flex; }

  .site-nav a {
    padding: 14px 0;
    border-top: 1px solid var(--line);
  }

  .nav-cta { border: 0; padding: 14px 0; justify-content: flex-start; }
}

@media (max-width: 760px) {
  :root { --gutter: 16px; }

  .section { padding: 64px 0; }

  .pillar-grid,
  .card-grid,
  .plan-grid,
  .scenario-grid,
  .news-grid,
  .related-grid,
  .footer-grid,
  .two-col,
  .trust-row,
  .hero-meta { grid-template-columns: 1fr; }

  .trust-row div + div,
  .hero-meta div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
  }

  .vtext {
    writing-mode: horizontal-tb;
    letter-spacing: 0.12em;
    font-size: 20px;
  }

  .info-grid { grid-template-columns: 1fr; gap: 2px; }

  .info-grid dt { margin-top: 12px; }

  .mobile-bar { display: grid; }

  body { padding-bottom: 54px; }

  .site-footer { padding-bottom: 72px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}

@media print {
  .announce, .site-header, .mobile-bar, .actions, .site-footer { display: none !important; }
  body { background: white; padding: 0; }
  .section { padding: 24px 0; }
}