:root {
  --ink: #24352f;
  --ink-soft: #52635d;
  --forest: #245845;
  --forest-dark: #183e32;
  --sage: #dbe8dd;
  --sage-pale: #f3f7f2;
  --cream: #fbf8f0;
  --paper: #ffffff;
  --line: #d9e1db;
  --gold: #bc8742;
  --shadow: 0 18px 45px rgba(30, 56, 46, 0.12);
  --radius: 20px;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.8;
}

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

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

.container {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--forest);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 28px;
  height: 1px;
  background: var(--gold);
  content: "";
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.45;
}

h1 {
  font-size: clamp(2rem, 5vw, 4.35rem);
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

h3 {
  font-size: 1.22rem;
}

p {
  margin-top: 0;
}

.notice-bar {
  padding: 8px 16px;
  color: #fff;
  background: var(--forest-dark);
  font-size: 0.74rem;
  text-align: center;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(217, 225, 219, 0.8);
  background: rgba(251, 248, 240, 0.94);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.14rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--forest);
  font-family: "Yu Gothic", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--ink-soft);
  font-size: 0.85rem;
  font-weight: 700;
}

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

.nav-cta,
.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border: 1px solid var(--forest);
  border-radius: 999px;
  color: #fff;
  background: var(--forest);
  font-size: 0.9rem;
  font-weight: 700;
  transition: 180ms ease;
}

.nav-cta {
  min-height: 42px;
  padding: 8px 17px;
  font-size: 0.78rem;
}

.button:hover,
.nav-cta:hover {
  background: var(--forest-dark);
  transform: translateY(-2px);
}

.button-secondary {
  color: var(--forest);
  background: rgba(255, 255, 255, 0.85);
}

.button-secondary:hover {
  color: #fff;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  color: var(--forest);
  background: var(--sage);
  font-size: 1.15rem;
}

.hero {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  color: #fff;
  background: var(--forest-dark);
}

.hero::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(18, 51, 41, 0.95) 0%, rgba(18, 51, 41, 0.8) 38%, rgba(18, 51, 41, 0.18) 75%, rgba(18, 51, 41, 0.08) 100%);
  content: "";
}

.hero-image {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 750px;
  padding: 106px 0 86px;
}

.hero .eyebrow {
  color: #e5d3ad;
}

.hero h1 {
  margin-bottom: 18px;
}

.hero-lead {
  max-width: 620px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.06rem;
}

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

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin-top: 44px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.82rem;
}

.hero-meta span::before {
  margin-right: 7px;
  color: #e5d3ad;
  content: "✓";
}

.section {
  padding: 94px 0;
}

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

.section-sage {
  background: var(--sage-pale);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading p {
  color: var(--ink-soft);
}

.grid-3,
.grid-2,
.article-grid,
.footer-grid {
  display: grid;
  gap: 20px;
}

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

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

.card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 0 8px 24px rgba(37, 73, 59, 0.04);
}

.card-number {
  display: grid;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  place-items: center;
  border-radius: 50%;
  color: var(--forest);
  background: var(--sage);
  font-size: 0.82rem;
  font-weight: 700;
}

.card p,
.article-card p {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.choice-card {
  display: flex;
  flex-direction: column;
}

.choice-card .button {
  margin-top: auto;
}

.choice-label {
  align-self: flex-start;
  margin-bottom: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--forest);
  background: var(--sage);
  font-size: 0.72rem;
  font-weight: 700;
}

.area-card {
  position: relative;
  min-height: 270px;
  overflow: hidden;
  color: #fff;
  background: var(--forest);
}

.area-card::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(17, 58, 45, 0.94), rgba(50, 103, 82, 0.68));
  content: "";
}

.area-card > * {
  position: relative;
  z-index: 1;
}

.area-card a {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
}

.area-card a:hover {
  text-decoration: underline;
}

.area-card ul {
  padding-left: 20px;
}

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

.article-card {
  display: flex;
  min-height: 260px;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
}

.article-card a {
  margin-top: auto;
  color: var(--forest);
  font-size: 0.86rem;
  font-weight: 700;
}

.article-tag {
  margin-bottom: 10px;
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.cta-panel {
  display: grid;
  overflow: hidden;
  border-radius: 26px;
  background: var(--forest-dark);
  color: #fff;
  grid-template-columns: 1.4fr 0.8fr;
}

.cta-copy {
  padding: 46px;
}

.cta-copy p {
  color: rgba(255, 255, 255, 0.8);
}

.cta-side {
  display: grid;
  padding: 30px;
  place-items: center;
  background: var(--sage);
  color: var(--forest-dark);
  text-align: center;
}

.cta-side strong {
  display: block;
  font-family: "Yu Mincho", serif;
  font-size: 1.32rem;
}

.page-hero {
  padding: 78px 0 68px;
  background: linear-gradient(135deg, #eef4ee, #fbf8f0);
}

.page-hero h1 {
  max-width: 900px;
  margin-bottom: 14px;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.page-hero p {
  max-width: 760px;
  color: var(--ink-soft);
}

.breadcrumbs {
  margin-bottom: 20px;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.breadcrumbs a {
  color: var(--forest);
}

.content-layout {
  display: grid;
  align-items: start;
  gap: 44px;
  grid-template-columns: minmax(0, 1fr) 300px;
}

.prose {
  min-width: 0;
}

.prose h2 {
  margin-top: 52px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--sage);
  font-size: 1.7rem;
}

.prose h3 {
  margin-top: 32px;
}

.prose a {
  color: var(--forest);
  text-decoration: underline;
}

.prose li {
  margin-bottom: 8px;
}

.info-box {
  margin: 24px 0;
  padding: 20px;
  border-left: 4px solid var(--gold);
  background: #fbf5e9;
}

.check-list {
  padding-left: 0;
  list-style: none;
}

.check-list li {
  padding-left: 27px;
  position: relative;
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--forest);
  content: "✓";
  font-weight: 700;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  margin: 24px 0;
  border-collapse: collapse;
  background: #fff;
  font-size: 0.9rem;
}

th,
td {
  padding: 13px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--forest-dark);
  background: var(--sage-pale);
}

.side-card {
  position: sticky;
  top: 102px;
  padding: 22px;
  border-radius: 16px;
  color: #fff;
  background: var(--forest-dark);
}

.side-card p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.84rem;
}

.side-card .button {
  width: 100%;
  border-color: #fff;
  color: var(--forest-dark);
  background: #fff;
}

.form-grid {
  display: grid;
  gap: 18px;
}

.form-row {
  display: grid;
  gap: 8px;
}

label {
  font-size: 0.88rem;
  font-weight: 700;
}

.required {
  margin-left: 7px;
  color: #b34f3d;
  font-size: 0.72rem;
}

input,
select,
textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid #cfd9d2;
  border-radius: 9px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 0.82rem;
}

.form-consent input {
  width: auto;
  margin-top: 8px;
}

.form-note {
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.site-footer {
  padding: 52px 0 24px;
  color: rgba(255, 255, 255, 0.78);
  background: #15392f;
  font-size: 0.82rem;
}

.footer-grid {
  grid-template-columns: 1.5fr 1fr 1fr;
  margin-bottom: 32px;
}

.site-footer .brand {
  margin-bottom: 12px;
  color: #fff;
}

.footer-links {
  display: grid;
  gap: 7px;
}

.footer-title {
  color: #fff;
  font-weight: 700;
}

.footer-bottom {
  padding-top: 17px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.ad-disclosure {
  color: rgba(255, 255, 255, 0.66);
}

@media (max-width: 880px) {
  .main-nav {
    position: absolute;
    top: 77px;
    right: 20px;
    left: 20px;
    display: none;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  .main-nav.is-open {
    display: grid;
  }

  .menu-button {
    display: block;
  }

  .hero {
    min-height: 620px;
  }

  .hero::after {
    background: rgba(18, 51, 41, 0.77);
  }

  .hero-content {
    padding-top: 80px;
  }

  .grid-3,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .grid-2,
  .cta-panel,
  .content-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .side-card {
    position: static;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(calc(100% - 28px), var(--max));
  }

  .brand {
    font-size: 1rem;
  }

  .brand-mark {
    width: 35px;
    height: 35px;
    font-size: 0.7rem;
  }

  .section {
    padding: 68px 0;
  }

  .hero h1 {
    font-size: 2.24rem;
  }

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

  .cta-copy {
    padding: 29px;
  }
}