@charset "UTF-8";

:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-2: #eef4fb;
  --line: #d8e1ed;
  --text: #1f2c3a;
  --muted: #5f6f82;
  --primary: #1f5b9b;
  --primary-dark: #184673;
  --accent: #c89b3c;
  --shadow: 0 12px 30px rgba(23, 44, 68, 0.08);
  --radius: 14px;
  --radius-sm: 10px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(31, 91, 155, 0.08), transparent 36%),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 100%);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 18px;
  line-height: 1.9;
  letter-spacing: 0;
}

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

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

.highlight-link {
  color: var(--primary-dark);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.15em;
  font-weight: 700;
}

.highlight-link:hover,
.highlight-link:focus-visible {
  color: var(--primary);
}

.notice-card {
  padding: 24px;
}

.notice-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.notice-list li {
  display: grid;
  gap: 8px;
  padding: 18px 0;
}

.notice-list li + li {
  border-top: 1px solid var(--line);
}

.notice-date {
  display: inline-block;
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}

.notice-list p {
  margin: 0;
  color: var(--text);
  font-size: 17px;
  line-height: 1.8;
}

button,
input,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 1000;
  padding: 12px 16px;
  background: var(--surface);
  border: 2px solid var(--primary);
  border-radius: 8px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(251, 253, 255, 0.9);
  border-bottom: 1px solid rgba(216, 225, 237, 0.85);
}

.header-inner,
.container {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 24px;
  box-shadow: var(--shadow);
  flex: 0 0 auto;
}

.brand-text {
  min-width: 0;
}

.brand-text strong {
  display: block;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: 0;
}

.brand-text span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.nav-toggle {
  display: none;
  width: 52px;
  height: 52px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--primary-dark);
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}

.nav-toggle span {
  position: relative;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.nav-toggle span::before {
  top: -7px;
}

.nav-toggle span::after {
  top: 7px;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--primary-dark);
  font-weight: 700;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--surface-2);
}

.site-nav a.is-active {
  background: var(--primary);
  color: #fff;
}

.hero {
  padding: 52px 0 24px;
}

.hero-panel {
  overflow: hidden;
  border: 1px solid rgba(216, 225, 237, 0.9);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(241, 246, 252, 0.95)),
    radial-gradient(circle at right top, rgba(31, 91, 155, 0.12), transparent 32%);
  box-shadow: var(--shadow);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 32px;
  align-items: center;
  padding: 44px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(31, 91, 155, 0.08);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 14px;
}

.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

.hero h1 {
  margin: 18px 0 14px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.35;
  letter-spacing: 0;
}

.hero p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.95;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 22px rgba(31, 91, 155, 0.2);
}

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

.button.secondary {
  background: #fff;
  color: var(--primary-dark);
  border-color: var(--line);
}

.hero-aside {
  padding: 24px;
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #f4f8fd 100%);
  border: 1px solid var(--line);
}

.hero-card {
  display: grid;
  gap: 16px;
}

.hero-note {
  padding: 16px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--line);
}

.hero-note strong {
  display: block;
  margin-bottom: 4px;
  color: var(--primary-dark);
}

.hero-note p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.main {
  padding: 10px 0 72px;
}

.section {
  padding: 26px 0;
}

.section-header {
  margin-bottom: 20px;
}

.section-header h2 {
  margin: 0 0 8px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(26px, 2.8vw, 36px);
  line-height: 1.45;
}

.section-header p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-card {
  padding: 24px;
}

.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  color: var(--primary-dark);
  font-size: 24px;
  margin-bottom: 14px;
}

.feature-card h3,
.content-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.5;
}

.feature-card p,
.content-card p,
.content-card li {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.content-card {
  padding: 24px;
}

.content-card ul {
  margin: 0;
  padding-left: 1.2em;
}

.content-card li + li {
  margin-top: 8px;
}

.band {
  margin: 18px 0;
  padding: 24px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  box-shadow: var(--shadow);
}

.band p {
  margin: 0;
  font-size: 18px;
}

.info-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.info-list li {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--line);
}

.info-list strong {
  display: inline-block;
  min-width: 7.5em;
  color: var(--primary-dark);
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.price-table th,
.price-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 17px;
}

.price-table th {
  background: #edf4fc;
  color: var(--primary-dark);
  width: 34%;
}

.price-table tr:last-child th,
.price-table tr:last-child td {
  border-bottom: 0;
}

.price-note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 16px;
}

.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 22px;
}

.profile-box {
  padding: 26px;
}

.profile-box h2,
.contact-side h2 {
  margin: 0 0 12px;
  font-size: 26px;
  line-height: 1.45;
}

.profile-meta {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 16px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 22px;
  align-items: start;
}

.contact-form {
  padding: 26px;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  color: var(--primary-dark);
}

.field input,
.field textarea {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
}

.field input:focus,
.field textarea:focus {
  outline: 3px solid rgba(31, 91, 155, 0.16);
  border-color: var(--primary);
}

.field textarea {
  min-height: 180px;
  resize: vertical;
}

.form-help {
  margin: -6px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.submit-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 22px;
}

.contact-side {
  padding: 26px;
}

.contact-side .info-list li {
  background: var(--surface-2);
}

.contact-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 16px;
}

.map-embed {
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #eaf1f8;
  aspect-ratio: 4 / 3;
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.footer {
  padding: 30px 0 40px;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 15px;
}

.footer strong {
  color: var(--primary-dark);
}

.page-title {
  padding: 34px 0 10px;
}

.page-title h1 {
  margin: 0 0 10px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(30px, 3.5vw, 44px);
  line-height: 1.4;
}

.page-title p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.hidden {
  display: none;
}

@media (max-width: 960px) {
  .hero-inner,
  .profile-grid,
  .contact-grid,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    padding: 34px 26px;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav ul {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .price-table th {
    width: 38%;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 17px;
  }

  .header-inner {
    padding: 12px 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    padding-bottom: 14px;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    display: grid;
    gap: 8px;
  }

  .site-nav a {
    width: 100%;
    justify-content: flex-start;
    border-radius: 12px;
    background: #fff;
    border: 1px solid var(--line);
  }

  .hero {
    padding-top: 24px;
  }

  .hero-inner,
  .feature-card,
  .content-card,
  .profile-box,
  .contact-form,
  .contact-side {
    padding: 22px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero p,
  .page-title p {
    font-size: 17px;
  }

  .button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .price-table,
  .price-table tbody,
  .price-table tr,
  .price-table th,
  .price-table td {
    display: block;
    width: 100%;
  }

  .price-table tr {
    border-bottom: 1px solid var(--line);
  }

  .price-table th,
  .price-table td {
    border-bottom: 0;
    padding: 14px 16px;
  }

  .price-table th {
    padding-bottom: 6px;
  }

  .price-table td {
    padding-top: 0;
  }

  .info-list li {
    flex-direction: column;
  }

  .info-list strong {
    min-width: 0;
  }
}