/* ==========================================================================
   合同会社VIVON コーポレートサイト スタイルシート
   方針：端正なミニマル／清潔感・落ち着き・誠実さ・読みやすさ
   ========================================================================== */

:root {
  --white: #FFFFFF;
  --navy: #182D41;
  --light-gray: #F2F5F7;
  --charcoal: #273444;
  --gray: #5F6B76;
  --border: #DCE2E7;

  --font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;

  --max-width: 1120px;
  --section-padding: 96px;
  --section-padding-sm: 56px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-jp);
  color: var(--charcoal);
  background-color: var(--white);
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  word-break: keep-all;
  overflow-wrap: break-word;
  line-break: strict;
}

/* 単語・文章の途中で改行しないようにする */
h1, h2, h3, h4, h5, h6,
p, a, li, span, label, th, td, button, option {
  word-break: keep-all;
  overflow-wrap: break-word;
}

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

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

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
}

.en-label {
  display: block;
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gray);
  font-weight: 600;
  margin-bottom: 14px;
}

.section-heading {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.02em;
}

@media (max-width: 768px) {
  .section-heading {
    font-size: 26px;
  }
}

/* ---- ボタン ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 34px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  min-height: 48px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity 0.2s ease, background-color 0.2s ease;
  font-family: var(--font-jp);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--navy);
  color: var(--white);
}

.btn-primary:hover {
  opacity: 0.85;
}

.btn-outline {
  background-color: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
}

.btn-outline:hover {
  background-color: var(--navy);
  color: var(--white);
}

.btn-white {
  background-color: var(--white);
  color: var(--navy);
}

.btn-white:hover {
  opacity: 0.85;
}

/* ---- ヘッダー ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
    padding: 0 20px;
  }
}

.logo {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--navy);
}

.logo:hover {
  opacity: 0.85;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.main-nav .nav-links {
  display: flex;
  gap: 36px;
}

.main-nav .nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--charcoal);
  padding: 8px 2px;
  position: relative;
}

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

.main-nav .nav-links a.active {
  color: var(--navy);
  font-weight: 700;
}

.header-cta {
  display: inline-flex;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--navy);
  margin: 0 auto;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 880px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    z-index: 99;
    background-color: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
    gap: 28px;
    transform: translateX(100%);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
    overflow-y: auto;
  }

  .main-nav.is-open {
    transform: translateX(0);
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav .nav-links {
    flex-direction: column;
    gap: 24px;
    width: 100%;
  }

  .main-nav .nav-links a {
    font-size: 18px;
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    width: 100%;
  }

  .header-cta {
    width: 100%;
  }

  .header-cta .btn {
    width: 100%;
  }
}

/* ---- パンくずリスト ---- */
.breadcrumb {
  background-color: var(--light-gray);
  padding: 16px 0;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  font-size: 13px;
  color: var(--gray);
}

@media (max-width: 768px) {
  .breadcrumb ol {
    padding: 0 20px;
  }
}

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

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

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--border);
}

/* ---- ページ見出し（下層ページ共通） ---- */
.page-header {
  padding: 56px 0 24px;
}

.page-title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

@media (max-width: 768px) {
  .page-title {
    font-size: 28px;
  }
}

.page-lead {
  margin-top: 20px;
  color: var(--gray);
  font-size: 16px;
  line-height: 1.9;
  max-width: 760px;
}

/* ---- メインビジュアル ---- */
.hero {
  padding: var(--section-padding) 0;
}

@media (max-width: 768px) {
  .hero {
    padding: 48px 0;
  }
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 60px;
}

@media (max-width: 880px) {
  .hero-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 32px;
  }
}

.hero-text {
  flex: 0 0 55%;
  max-width: 55%;
}

@media (max-width: 880px) {
  .hero-text {
    flex: none;
    max-width: 100%;
  }
}

.hero-copy {
  font-size: 46px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--navy);
}

@media (max-width: 768px) {
  .hero-copy {
    font-size: 30px;
  }
}

.hero-desc {
  margin-top: 28px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--charcoal);
}

.hero-cta {
  margin-top: 36px;
}

.hero-image {
  flex: 0 0 45%;
  max-width: 45%;
  border-radius: 8px;
  overflow: hidden;
}

@media (max-width: 880px) {
  .hero-image {
    flex: none;
    max-width: 100%;
  }
}

.hero-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

@media (max-width: 880px) {
  .hero-image img {
    height: 240px;
  }
}

/* ---- 汎用セクション ---- */
.section {
  padding: var(--section-padding) 0;
}

@media (max-width: 768px) {
  .section {
    padding: var(--section-padding-sm) 0;
  }
}

.section-gray {
  background-color: var(--light-gray);
}

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

/* ---- 私たちについて ---- */
.about-inner {
  display: flex;
  gap: 60px;
}

@media (max-width: 880px) {
  .about-inner {
    flex-direction: column;
    gap: 28px;
  }
}

.about-head {
  flex: 0 0 35%;
  max-width: 35%;
}

@media (max-width: 880px) {
  .about-head {
    flex: none;
    max-width: 100%;
  }
}

.about-body {
  flex: 0 0 65%;
  max-width: 65%;
  font-size: 17px;
  line-height: 2;
  color: var(--charcoal);
}

.about-body p + p {
  margin-top: 1.4em;
}

@media (max-width: 880px) {
  .about-body {
    flex: none;
    max-width: 100%;
  }
}

/* ---- 事業内容セクション（トップ） ---- */
.section-intro {
  max-width: 760px;
  margin-top: 20px;
  color: var(--gray);
  font-size: 17px;
  line-height: 1.9;
}

.business-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

@media (max-width: 880px) {
  .business-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.business-card-photo {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 28px;
}

.business-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
}

.business-card .desc {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--charcoal);
}

.business-card .list {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.business-card .list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: var(--charcoal);
  line-height: 1.9;
}

.business-card .list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 1px;
  background-color: var(--navy);
}

.business-card .card-link {
  display: inline-flex;
  align-items: center;
  margin-top: 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  border-bottom: 1px solid var(--navy);
  padding-bottom: 2px;
}

.business-card .card-link::after {
  content: "\2192";
  margin-left: 8px;
}

.business-card .card-link:hover {
  opacity: 0.7;
}

/* ---- 大切にすること ---- */
.approach-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

@media (max-width: 880px) {
  .approach-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

.approach-item {
  padding-top: 28px;
  border-top: 2px solid var(--navy);
}

.approach-item h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--navy);
}

.approach-item p {
  margin-top: 14px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--charcoal);
}

/* ---- 会社概要（トップ） ---- */
.company-inner {
  display: flex;
  gap: 60px;
}

@media (max-width: 880px) {
  .company-inner {
    flex-direction: column;
    gap: 28px;
  }
}

.company-head {
  flex: 0 0 35%;
  max-width: 35%;
}

@media (max-width: 880px) {
  .company-head {
    flex: none;
    max-width: 100%;
  }
}

.company-head .btn {
  margin-top: 32px;
}

.company-table-wrap {
  flex: 0 0 65%;
  max-width: 65%;
}

@media (max-width: 880px) {
  .company-table-wrap {
    flex: none;
    max-width: 100%;
  }
}

.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table th,
.info-table td {
  text-align: left;
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 16px;
  line-height: 1.8;
  vertical-align: top;
}

.info-table th {
  width: 130px;
  background-color: var(--light-gray);
  font-weight: 600;
  color: var(--charcoal);
}

@media (max-width: 600px) {
  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
    padding: 10px 16px;
  }

  .info-table th {
    padding-bottom: 4px;
    border-bottom: none;
  }

  .info-table td {
    padding-top: 0;
    padding-bottom: 20px;
  }
}

/* ---- お問い合わせCTA ---- */
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

@media (max-width: 768px) {
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    gap: 28px;
  }
}

.cta-text h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
}

@media (max-width: 768px) {
  .cta-text h2 {
    font-size: 22px;
  }
}

.cta-text p {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.85);
}

/* ---- フッター ---- */
.site-footer {
  background-color: var(--white);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
}

@media (max-width: 768px) {
  .footer-inner {
    flex-direction: column;
    gap: 32px;
  }
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--gray);
}

.footer-links {
  display: flex;
  gap: 64px;
}

@media (max-width: 480px) {
  .footer-links {
    gap: 32px;
  }
}

.footer-links h4 {
  font-size: 14px;
  color: var(--gray);
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 15px;
  color: var(--charcoal);
}

.footer-links a:hover {
  color: var(--navy);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 13px;
  color: var(--gray);
}

/* ---- 事業内容ページ ---- */
.business-detail {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 768px) {
  .business-detail {
    padding: 48px 0;
  }
}

.business-detail:last-of-type {
  border-bottom: none;
}

.detail-inner {
  display: flex;
  gap: 56px;
  align-items: flex-start;
}

@media (max-width: 880px) {
  .detail-inner {
    flex-direction: column;
    gap: 28px;
  }
}

.detail-photo {
  flex: 0 0 42%;
  max-width: 42%;
  border-radius: 8px;
  overflow: hidden;
}

.detail-photo img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

@media (max-width: 880px) {
  .detail-photo {
    flex: none;
    max-width: 100%;
  }

  .detail-photo img {
    height: 220px;
  }
}

.detail-body {
  flex: 1;
}

.detail-body .en-label {
  margin-bottom: 10px;
}

.detail-body h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--navy);
}

@media (max-width: 768px) {
  .detail-body h2 {
    font-size: 23px;
  }
}

.detail-block {
  margin-top: 28px;
}

.detail-block h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--charcoal);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.detail-block p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--charcoal);
}

.detail-block ul li {
  position: relative;
  padding-left: 18px;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--charcoal);
}

.detail-block ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 1px;
  background-color: var(--navy);
}

.intro-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (max-width: 768px) {
  .intro-grid {
    grid-template-columns: 1fr;
  }
}

.intro-card {
  padding: 32px;
  background-color: var(--light-gray);
  border-radius: 8px;
}

.intro-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--navy);
}

.intro-card p {
  margin-top: 14px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--charcoal);
}

.intro-card a {
  display: inline-flex;
  margin-top: 18px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--navy);
  border-bottom: 1px solid var(--navy);
}

/* ---- 会社概要ページ ---- */
.company-page-table {
  margin-top: 8px;
}

.company-page-table .info-table th {
  width: 160px;
}

.map-note {
  margin-top: 16px;
  font-size: 14.5px;
  color: var(--gray);
}

.location-box {
  margin-top: 16px;
  padding: 28px;
  background-color: var(--light-gray);
  border-radius: 8px;
}

.location-box p {
  font-size: 16px;
  line-height: 1.9;
}

/* ---- お問い合わせフォーム ---- */
.form-wrap {
  max-width: 720px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 28px;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 10px;
}

.req-tag,
.opt-tag {
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.req-tag {
  background-color: #FBE9E7;
  color: #B3261E;
}

.opt-tag {
  background-color: var(--light-gray);
  color: var(--gray);
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  font-family: var(--font-jp);
  border: 1px solid var(--border);
  border-radius: 6px;
  background-color: var(--white);
  color: var(--charcoal);
  min-height: 48px;
}

textarea.form-control {
  min-height: 160px;
  resize: vertical;
  line-height: 1.8;
}

.form-control:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(24, 45, 65, 0.1);
}

.form-control.is-invalid {
  border-color: #B3261E;
}

.error-msg {
  display: none;
  margin-top: 8px;
  font-size: 13.5px;
  color: #B3261E;
}

.error-msg.is-visible {
  display: block;
}

.consent-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px;
  background-color: var(--light-gray);
  border-radius: 8px;
}

.consent-group input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.consent-group label {
  font-size: 15px;
  line-height: 1.8;
  color: var(--charcoal);
}

.consent-group a {
  color: var(--navy);
  text-decoration: underline;
}

.form-submit {
  margin-top: 36px;
  text-align: center;
}

.form-submit .btn {
  width: 100%;
  max-width: 320px;
}

.form-notice {
  margin-top: 40px;
  padding: 20px 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background-color: var(--light-gray);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--gray);
}

.form-success {
  display: none;
  margin-top: 24px;
  padding: 20px 24px;
  border-radius: 8px;
  background-color: #EAF3EC;
  color: #205A2D;
  font-size: 15px;
  line-height: 1.8;
}

.form-success.is-visible {
  display: block;
}

/* ---- プライバシーポリシー ---- */
.policy-content {
  max-width: 820px;
}

.policy-content h2 {
  font-size: 21px;
  font-weight: 700;
  color: var(--navy);
  margin-top: 48px;
  margin-bottom: 16px;
}

.policy-content h2:first-child {
  margin-top: 0;
}

.policy-content p {
  font-size: 16px;
  line-height: 1.95;
  color: var(--charcoal);
}

.policy-content p + p {
  margin-top: 1.2em;
}

.policy-content ul {
  margin-top: 14px;
}

.policy-content ul li {
  position: relative;
  padding-left: 18px;
  font-size: 16px;
  line-height: 1.95;
  color: var(--charcoal);
  margin-bottom: 8px;
}

.policy-content ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 1px;
  background-color: var(--navy);
}

.policy-date {
  margin-top: 48px;
  font-size: 14px;
  color: var(--gray);
}

/* ---- 料金プランページ ---- */
.plan-intro {
  max-width: 760px;
}

.plan-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (max-width: 880px) {
  .plan-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

.plan-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 40px 36px;
  background-color: var(--white);
  display: flex;
  flex-direction: column;
}

.plan-card.is-featured {
  border-color: var(--navy);
  box-shadow: 0 0 0 1px var(--navy);
  position: relative;
}

.plan-badge {
  position: absolute;
  top: -14px;
  left: 36px;
  background-color: var(--navy);
  color: var(--white);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: 4px;
}

.plan-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
}

.plan-for {
  margin-top: 10px;
  font-size: 15px;
  color: var(--gray);
  line-height: 1.8;
}

.plan-price {
  margin-top: 28px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.plan-price .amount {
  font-size: 38px;
  font-weight: 700;
  color: var(--charcoal);
  letter-spacing: 0.02em;
}

@media (max-width: 480px) {
  .plan-price .amount {
    font-size: 32px;
  }
}

.plan-price .unit {
  font-size: 15px;
  color: var(--gray);
}

.plan-price .tax-note {
  margin-top: 6px;
  font-size: 13px;
  color: var(--gray);
}

.plan-desc {
  margin-top: 20px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--charcoal);
}

.plan-features {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  flex-grow: 1;
}

.plan-features li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--charcoal);
  margin-bottom: 10px;
}

.plan-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 1px;
  background-color: var(--navy);
}

.plan-card .btn {
  margin-top: 32px;
  width: 100%;
}

.plan-note-box {
  margin-top: 48px;
  padding: 28px 32px;
  background-color: var(--light-gray);
  border-radius: 8px;
}

.plan-note-box h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--charcoal);
}

.plan-note-box ul {
  margin-top: 14px;
}

.plan-note-box li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--gray);
  margin-bottom: 8px;
}

.plan-note-box li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 1px;
  background-color: var(--gray);
}

/* トップページ内の料金プラン紹介カード（簡易版） */
.plan-preview-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (max-width: 880px) {
  .plan-preview-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.plan-preview-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
}

.plan-preview-card .plan-name {
  font-size: 18px;
}

.plan-preview-card .plan-price {
  border-top: none;
  padding-top: 0;
  margin-top: 16px;
}

.plan-preview-card .plan-price .amount {
  font-size: 30px;
}

.plan-preview-card .plan-desc {
  margin-top: 14px;
  font-size: 15px;
}

.plan-preview-more {
  margin-top: 40px;
  text-align: center;
}

/* ---- ユーティリティ ---- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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