/*
 * site.css — NextForward メインスタイル
 * 対象: index.html（および全サイト共通）
 * 構成: BASE / PRELOADER / NAVBAR / HERO / SECTION / FEATURED /
 *       SUCCESS-CASES / PRICING / COMPANY / CONTACT / FOOTER
 */

/* ============================================================
   BASE
============================================================ */
iframe { width: 100%; height: 100%; }

/* ============================================================
   PRELOADER
============================================================ */
.preloader {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: #ffffff;
  display: flex; justify-content: center; align-items: center;
  z-index: 9999;
  opacity: 1; visibility: visible;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.preloader.hide { opacity: 0; visibility: hidden; }

.preloader-content {
  position: relative; text-align: center; padding: 20px;
  width: 100%; max-width: 100vw;
}
.preloader-title {
  font-size: clamp(24px, 8.2vw, 72px);
  font-weight: 900; margin: 0; letter-spacing: -0.3px; min-height: 60px;
  display: flex; align-items: center; justify-content: center;
  gap: clamp(6px, 1.6vw, 14px); flex-wrap: nowrap; white-space: nowrap;
  position: relative; z-index: 2;
}
.preloader-word {
  display: inline-block;
  padding-inline: clamp(1px, 0.35vw, 4px);
  color: #0f172a;
  transform: translateY(14px) scale(0.9); opacity: 0.2; filter: blur(1.5px);
  text-shadow: 0 2px 8px rgba(15, 23, 42, 0.14);
  animation: preloaderWordReveal 2.8s ease-in-out infinite;
}
.preloader-word-ai     { animation-delay: 0s; }
.preloader-word-seo    { animation-delay: 0.28s; }
.preloader-word-design { animation-delay: 0.56s; }

.preloader-divider {
  display: inline-block; color: #64748b; font-size: 0.46em;
  transform: translateY(2px); opacity: 0.7;
  animation: dividerPulse 2.8s ease-in-out infinite;
}
.preloader-caption {
  margin-top: 16px; margin-bottom: 0; color: #475569;
  font-size: clamp(12px, 1.8vw, 15px); letter-spacing: 0.18em;
  text-transform: uppercase; opacity: 0.8;
  animation: captionFade 2.8s ease-in-out infinite;
  position: relative; z-index: 2;
}
.preloader-glow {
  position: absolute;
  width: clamp(160px, 26vw, 320px); height: clamp(160px, 26vw, 320px);
  border-radius: 999px; filter: blur(20px);
  pointer-events: none; z-index: 1;
  animation: glowDrift 5.2s ease-in-out infinite;
}
.preloader-glow-left {
  top: -28%; left: -10%;
  background: radial-gradient(circle, rgba(148,163,184,.32) 0%, rgba(148,163,184,0) 68%);
}
.preloader-glow-right {
  bottom: -34%; right: -8%;
  background: radial-gradient(circle, rgba(71,85,105,.24) 0%, rgba(71,85,105,0) 72%);
  animation-delay: 1.1s;
}

@keyframes preloaderWordReveal {
  0%, 100% {
    transform: translateY(14px) scale(0.9);
    opacity: 0.2; filter: blur(1.5px);
    text-shadow: 0 2px 8px rgba(15,23,42,.12);
  }
  35% {
    transform: translateY(-2px) scale(1.06);
    opacity: 1; filter: blur(0);
    text-shadow: 0 10px 22px rgba(15,23,42,.28), 0 2px 8px rgba(15,23,42,.18);
  }
  65% { transform: translateY(0) scale(1.02); opacity: 0.9; filter: blur(0); }
}
@keyframes dividerPulse {
  0%, 100% { opacity: 0.35; }
  50%       { opacity: 0.9; }
}
@keyframes captionFade {
  0%, 100% { opacity: 0.45; transform: translateY(4px); }
  50%       { opacity: 0.95; transform: translateY(0); }
}
@keyframes glowDrift {
  0%, 100% { transform: translate3d(0,0,0) scale(0.92); opacity: 0.5; }
  50%       { transform: translate3d(6px,-10px,0) scale(1.08); opacity: 0.95; }
}

@media (max-width: 767.98px) {
  .preloader-content { padding: 16px 14px; }
  .preloader-title   { font-size: clamp(23px,7.4vw,40px); gap: clamp(5px,1.8vw,10px); letter-spacing: -0.15px; }
  .preloader-word    { padding-inline: clamp(1px,.6vw,3px); }
  .preloader-caption { letter-spacing: 0.15em; }
}
@media (max-width: 420px) {
  .preloader-content { padding: 14px 12px; }
  .preloader-title   { font-size: clamp(21px,7vw,31px); letter-spacing: -0.08px; gap: clamp(4px,2vw,8px); }
  .preloader-caption { font-size: 11px; letter-spacing: 0.12em; }
}

/* ============================================================
   NAVBAR
============================================================ */
.navbar-main {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky; top: 0; z-index: 1000;
  box-shadow: 0 1px 3px rgba(0,0,0,.1);
}

.navbar-brand { display: inline-flex; align-items: center; text-decoration: none; }

.brand-hover-sync,
.brand-hover-sync:hover,
.brand-hover-sync:focus,
.brand-hover-sync:active {
  display: inline-flex; align-items: center; position: relative; padding-bottom: 2px;
  transform: none !important; top: 0 !important; margin-top: 0 !important;
  line-height: 1 !important; text-decoration: none !important; animation: none !important;
}
.brand-hover-sync::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: #334155; transform: scaleX(0); transform-origin: center;
  transition: transform 0.28s ease, opacity 0.28s ease; opacity: 0.6;
}
.brand-hover-sync:hover::after,
.brand-hover-sync:focus::after { transform: scaleX(1); opacity: 1; }

.brand-hover-sync > span {
  display: inline-block; font-size: 20px; font-weight: 700; letter-spacing: -0.5px;
  line-height: 1.2; vertical-align: middle;
  transform: none !important; top: 0 !important; margin-top: 0 !important;
  color: #0f172a !important; opacity: 0.96;
  text-shadow: 0 0 0 rgba(15,23,42,0);
  transition: color 0.28s ease, opacity 0.28s ease, text-shadow 0.28s ease;
}
.brand-hover-sync:hover > span,
.brand-hover-sync:focus > span {
  transform: none !important; top: 0 !important; margin-top: 0 !important;
  color: #1f2937 !important; opacity: 1;
  text-shadow: 0 3px 14px rgba(31,41,55,.22);
}

.navbar-nav-center  { justify-content: center; flex-grow: 1; }
.navbar-collapse    { justify-content: center; }
.nav-link-menu      { color: #1f2937 !important; transition: all 0.3s ease; font-weight: 500; }
.nav-link-cta {
  background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
  color: white; padding: 10px 24px; border-radius: 6px;
  font-weight: 600; margin-left: 16px; transition: all 0.3s ease;
}
.nav-link-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 16px rgba(0,0,0,.2); }

.navbar-light .navbar-toggler       { border: 1px solid #d1d5db; padding: .25rem .5rem; }
.navbar-light .navbar-toggler:focus { box-shadow: 0 0 0 .25rem rgba(55,65,81,.25); outline: none; }
.navbar-light .navbar-toggler-icon {
  width: 1.5em; height: 1.5em;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231f2937' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  background-repeat: no-repeat; background-position: center; background-size: 100%;
}

@media (max-width: 991.98px) {
  #navbarNav                          { text-align: center; }
  #navbarNav .navbar-nav              { width: 100%; align-items: center; }
  #navbarNav .nav-item                { width: 100%; }
  #navbarNav .nav-link                { display: inline-block; text-align: center; }
  #navbarNav .nav-link-cta            { margin: 12px auto 0 !important; display: inline-block; }
  .nav-link-cta                       { margin-left: auto !important; }
}

/* ============================================================
   HERO SECTION
============================================================ */
.hero-section-bg {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
  overflow: hidden;
}

/* Spline 3D iframe — fills the entire section */
.hero-bg-layer {
  position: absolute; inset: 0; z-index: 1;
}
.hero-bg-layer iframe {
  width: 100%; height: 100%;
  border: none; background: transparent;
}

/* 薄いオーバーレイ（テキスト可読性のみ） */
.hero-overlay {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, .08);
  z-index: 2; pointer-events: none;
}

/* コンテンツラッパー（section の flex 子要素として幅のみ管理） */
.hero-container {
  position: relative;
  z-index: 3;
  pointer-events: none;
  width: 100%;
  padding-top: 80px;    /* ナビバー高さ分のオフセット */
  padding-bottom: 40px;
}
.hero-row { pointer-events: none; width: 100%; }

/* ── コンテンツボックス ── */
.hero-content-box {
  max-width: 810px;        /* 900 × 0.9 */
  margin: 0 auto;
  background: linear-gradient(
    180deg,
    rgba(0,0,0,.18) 0%,
    rgba(0,0,0,.06) 50%,
    rgba(0,0,0,.18) 100%
  );
  padding: 54px 36px;      /* 60 × 0.9 / 40 × 0.9 */
  border-radius: 14px;
  backdrop-filter: blur(1px);
  pointer-events: none;
}
@media (max-width: 575.98px) {
  .hero-content-box { padding: 36px 18px; }
}

/* ── ブランドアニメーション ── */
.hero-brand-animated {
  font-size: clamp(36px, 9vw, 58px);   /* 元値 × 0.9 */
  color: #f1f5f9; -webkit-text-fill-color: #f1f5f9;
  text-shadow:
    0 0  4px rgba(255,255,255,.5),
    0 0 10px rgba(255,255,255,.32),
    0 0 20px rgba(203,213,225,.3),
    0 2px 10px rgba(0,0,0,.35);
  filter: drop-shadow(0 0 8px rgba(255,255,255,.2));
  animation: heroBrandGlow 3.8s ease-in-out infinite;
}

/* ============================================================
   LEGACY ARTICLE PAGE TUNING
============================================================ */
.legacy-article-page {
  background: #f8fafc;
}

.legacy-article-page .navbar {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(8px);
}

.legacy-article-page .site-header {
  background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
  position: relative;
  overflow: hidden;
}

.legacy-article-page .site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.12), transparent 40%);
  pointer-events: none;
}

.legacy-article-page .site-header > .container {
  position: relative;
  z-index: 1;
}

.legacy-article-page .site-header .breadcrumb-item a,
.legacy-article-page .site-header .breadcrumb-item.active {
  color: rgba(255, 255, 255, 0.9);
}

.legacy-article-page .topics-detail-section {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.legacy-article-page .topics-detail-section h2,
.legacy-article-page .topics-detail-section h3,
.legacy-article-page .topics-detail-section h4,
.legacy-article-page .topics-detail-section h5 {
  color: #0f172a;
  line-height: 1.45;
}

.legacy-article-page .topics-detail-section p,
.legacy-article-page .topics-detail-section li {
  color: #334155;
  line-height: 1.9;
}

.legacy-article-page .topics-detail-block {
  border-radius: 14px;
  border: 1px solid #e2e8f0;
  overflow: hidden;
  position: relative;
}

.legacy-article-page .topics-detail-block-image {
  display: block;
  width: 100%;
  transform: scale(1);
  transition: transform 0.45s ease;
}

.legacy-article-page .topics-detail-block::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.06) 0%, rgba(15, 23, 42, 0.78) 100%),
    radial-gradient(circle at top right, rgba(255,255,255,0.22), transparent 30%);
  pointer-events: none;
}

.legacy-article-page .topics-detail-block:hover .topics-detail-block-image {
  transform: scale(1.04);
}

.article-hero-visual-copy {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 2;
  display: grid;
  gap: 0.7rem;
}

.article-hero-visual-kicker {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 0.34rem 0.74rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.24);
  backdrop-filter: blur(10px);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-hero-visual-hook {
  margin: 0;
  max-width: 92%;
  color: #ffffff;
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 700;
  text-shadow: 0 10px 26px rgba(15,23,42,0.38);
}

.article-hero-visual-cta {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 0.46rem 0.82rem;
  border-radius: 999px;
  background: #ffffff;
  color: #0f172a;
  font-size: 0.78rem;
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(15,23,42,0.2);
}

.legacy-article-page blockquote {
  background: #f1f5f9;
  border-left: 4px solid #334155;
  padding: 18px 20px;
  border-radius: 8px;
  color: #334155;
}

.legacy-article-page .topics-detail-section .col-lg-8 {
  max-width: 860px;
}

.legacy-article-page .topics-detail-section p {
  font-size: 15.5px;
  margin-bottom: 1rem;
}

.legacy-article-page .topics-detail-section h2 {
  margin-top: 3rem !important;
  margin-bottom: 1rem !important;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid #e2e8f0;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 800;
}

.legacy-article-page .topics-detail-section h3.h5 {
  margin-top: 1.35rem;
  margin-bottom: 0.55rem;
  padding: 0.85rem 1rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  font-size: 1rem;
}

.legacy-article-page .topics-detail-section ul,
.legacy-article-page .topics-detail-section ol {
  padding-left: 1.1rem;
  margin-bottom: 1.25rem;
}

.legacy-article-page .topics-detail-section li {
  margin-bottom: 0.65rem;
  padding-left: 0.15rem;
}

.article-quick-summary {
  margin: 1.5rem 0 2rem;
  padding: 1.25rem;
  border: 1px solid #dbe4ee;
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
}

.article-inline-visual {
  margin: 2.1rem 0;
  overflow: hidden;
  border-radius: 22px;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  border: 1px solid #dbe4ee;
  box-shadow: 0 22px 44px rgba(15, 23, 42, 0.07);
}

.article-inline-visual-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.article-inline-visual-caption {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  padding: 0.95rem 1rem 1rem;
  background: rgba(255, 255, 255, 0.96);
}

.article-inline-visual-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.24rem 0.62rem;
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.72rem;
  font-weight: 700;
}

.article-inline-visual-caption-text {
  margin: 0;
  color: #334155;
  font-size: 0.92rem;
  line-height: 1.7;
  font-weight: 600;
}

.article-quick-summary-title {
  margin: 0 0 0.9rem;
  color: #0f172a;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.article-quick-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.article-quick-summary-card {
  padding: 1rem;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
}

.article-quick-summary-label {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: #475569;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.article-quick-summary-card p {
  margin: 0;
  color: #0f172a;
  font-size: 0.96rem;
  line-height: 1.75;
}

.article-scan-table-wrap {
  margin: 1.25rem 0 2rem;
  overflow-x: auto;
  border: 1px solid #dbe4ee;
  border-radius: 16px;
  background: #ffffff;
}

.article-scan-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
}

.article-scan-table th,
.article-scan-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid #e2e8f0;
  vertical-align: top;
  text-align: left;
  font-size: 0.95rem;
  line-height: 1.75;
}

.article-scan-table th {
  width: 28%;
  background: #f8fafc;
  color: #334155;
  font-weight: 700;
}

.article-scan-table tr:last-child th,
.article-scan-table tr:last-child td {
  border-bottom: none;
}

.article-callout {
  margin: 1.5rem 0 2rem;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: #fff7ed;
  border: 1px solid #fed7aa;
}

.article-callout strong {
  display: block;
  margin-bottom: 0.35rem;
  color: #9a3412;
}

.article-callout p {
  margin: 0;
}

.article-flow-diagram {
  margin: 1.5rem 0 2rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
  position: relative;
}

.article-flow-step {
  position: relative;
  padding: 1rem 1rem 1rem 1.05rem;
  border-radius: 16px;
  border: 1px solid #dbe4ee;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.05);
}

.article-flow-step::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -0.72rem;
  width: 1.1rem;
  height: 1.1rem;
  border-top: 2px solid #cbd5e1;
  border-right: 2px solid #cbd5e1;
  transform: translateY(-50%) rotate(45deg);
}

.article-flow-step:last-child::after {
  display: none;
}

.article-flow-step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 84px;
  margin-bottom: 0.75rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: #e2e8f0;
  color: #334155;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.article-flow-step-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.8rem;
}

.article-flow-step-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #e8eef5;
  color: #1e293b;
  font-size: 1rem;
  flex-shrink: 0;
}

.article-flow-step h3 {
  margin: 0 0 0.5rem;
  color: #0f172a;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.5;
}

.article-flow-step p {
  margin: 0;
  color: #475569;
  font-size: 0.93rem;
  line-height: 1.8;
}

.article-flow-caption {
  margin: 0 0 0.85rem;
  color: #475569;
  font-size: 0.95rem;
}

.article-compare-block {
  margin: 1.5rem 0 2rem;
  padding: 1.1rem;
  border-radius: 18px;
  border: 1px solid #dbe4ee;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.05);
}

.article-compare-lead {
  margin: 0 0 0.9rem;
  color: #475569;
  font-size: 0.95rem;
}

.article-compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
}

.article-compare-table th,
.article-compare-table td {
  padding: 0.95rem 1rem;
  border-bottom: 1px solid #e2e8f0;
  vertical-align: top;
  font-size: 0.95rem;
  line-height: 1.75;
}

.article-compare-table thead th {
  background: #0f172a;
  color: #ffffff;
  font-weight: 700;
  border-bottom: none;
}

.article-compare-table tbody th {
  width: 22%;
  background: #f8fafc;
  color: #334155;
  font-weight: 700;
}

.article-compare-table tr:last-child th,
.article-compare-table tr:last-child td {
  border-bottom: none;
}

.article-compare-primary {
  position: relative;
  border-color: #bfdbfe;
  background:
    radial-gradient(circle at top right, rgba(96, 165, 250, 0.22), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, #eff6ff 100%);
  box-shadow: 0 24px 44px rgba(37, 99, 235, 0.12);
}

.article-compare-primary::before {
  content: "COMPARE";
  position: absolute;
  top: -0.8rem;
  right: 1rem;
  padding: 0.32rem 0.8rem;
  border-radius: 999px;
  background: #dbeafe;
  color: #1d4ed8;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.article-compare-primary .article-compare-lead {
  color: #1e3a8a;
  font-weight: 600;
}

.article-compare-primary .article-compare-table thead th {
  background: linear-gradient(135deg, #1d4ed8 0%, #0f172a 100%);
}

.article-compare-secondary {
  border-style: solid;
  border-color: #e2e8f0;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.04);
}

.article-flow-primary {
  position: relative;
  padding: 1.15rem;
  border-radius: 22px;
  background:
    radial-gradient(circle at top left, rgba(45, 212, 191, 0.18), transparent 28%),
    linear-gradient(180deg, #f8fffd 0%, #ecfeff 100%);
  box-shadow: 0 24px 44px rgba(13, 148, 136, 0.12);
}

.article-flow-primary::before {
  content: "FLOW";
  position: absolute;
  top: -0.8rem;
  left: 1rem;
  padding: 0.32rem 0.8rem;
  border-radius: 999px;
  background: #ccfbf1;
  color: #0f766e;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.article-flow-primary .article-flow-step {
  border-color: #99f6e4;
  background: linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%);
  box-shadow: 0 16px 34px rgba(13, 148, 136, 0.08);
}

.article-flow-primary .article-flow-step-no {
  background: #ccfbf1;
  color: #115e59;
}

.article-flow-primary .article-flow-step-icon {
  background: #ccfbf1;
  color: #0f766e;
}

.article-flow-secondary {
  padding: 0.5rem;
  border-radius: 20px;
  background: #f8fafc;
}

.article-flow-secondary .article-flow-step {
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.04);
}

.article-related-heading {
  margin-bottom: 0.35rem;
  color: #0f172a;
  font-size: 1.55rem;
  font-weight: 800;
}

.article-related-intro {
  margin-bottom: 1rem;
  color: #64748b;
  font-size: 0.92rem;
  line-height: 1.7;
}

.article-related-grid {
  display: grid;
  gap: 0.9rem;
}

.article-related-card {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
  padding: 0.8rem;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.05);
  text-decoration: none;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.article-related-card:hover {
  transform: translateY(-2px);
  border-color: #bfdbfe;
  box-shadow: 0 18px 34px rgba(37, 99, 235, 0.12);
}

.article-related-thumb {
  width: 92px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 14px;
  background: #e2e8f0;
}

.article-related-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.45rem;
}

.article-related-badge,
.article-related-reason {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.22rem 0.58rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.article-related-badge {
  background: #e2e8f0;
  color: #334155;
}

.article-related-reason {
  background: #dbeafe;
  color: #1d4ed8;
}

.article-related-title {
  margin: 0 0 0.4rem;
  color: #0f172a;
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.55;
}

.article-related-excerpt {
  margin: 0;
  color: #64748b;
  font-size: 0.84rem;
  line-height: 1.65;
}

.article-related-cta {
  margin-top: 1rem;
}

.legacy-article-page .topics-detail-section .table {
  margin-bottom: 0;
}

@media (max-width: 767.98px) {
  .article-quick-summary-grid {
    grid-template-columns: 1fr;
  }

  .legacy-article-page .topics-detail-section p,
  .legacy-article-page .topics-detail-section li,
  .article-scan-table th,
  .article-scan-table td {
    font-size: 14.5px;
  }

  .legacy-article-page .topics-detail-section h2 {
    margin-top: 2.35rem !important;
  }

  .article-flow-diagram {
    grid-template-columns: 1fr;
  }

  .article-flow-step::after {
    top: auto;
    right: 50%;
    bottom: -0.7rem;
    transform: translateX(50%) rotate(135deg);
  }

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

  .article-scan-table {
    border-spacing: 0;
  }

  .article-scan-table tr {
    margin-bottom: 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
  }

  .article-scan-table tr:last-child {
    margin-bottom: 0;
  }

  .article-scan-table th,
  .article-scan-table td {
    border-bottom: none;
  }

  .article-scan-table th {
    width: 100%;
    padding-bottom: 0.35rem;
    background: #f8fafc;
  }

  .article-scan-table td {
    padding-top: 0.2rem;
  }

  .article-compare-block .table-responsive {
    overflow: visible;
  }

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

  .article-compare-table {
    border-spacing: 0;
  }

  .article-compare-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .article-compare-table tr {
    margin-bottom: 0.85rem;
    border: 1px solid #dbe4ee;
    border-radius: 18px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.05);
  }

  .article-compare-table tr:last-child {
    margin-bottom: 0;
  }

  .article-compare-table tbody th {
    width: 100%;
    padding: 0.95rem 1rem 0.8rem;
    border-bottom: 1px solid #e2e8f0;
    background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
    color: #0f172a;
    font-size: 0.92rem;
  }

  .article-compare-table td {
    display: grid;
    grid-template-columns: minmax(88px, 104px) minmax(0, 1fr);
    gap: 0.75rem;
    align-items: start;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.9rem;
    line-height: 1.7;
  }

  .article-compare-table td:last-child {
    border-bottom: none;
  }

  .article-compare-table td::before {
    content: attr(data-col-label);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 1.9rem;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    background: #e2e8f0;
    color: #334155;
    font-size: 0.71rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-align: center;
  }

  .article-compare-primary .article-compare-table tr {
    border-color: #bfdbfe;
    box-shadow: 0 16px 30px rgba(37, 99, 235, 0.08);
  }

  .article-compare-primary .article-compare-table tbody th {
    background: linear-gradient(180deg, #eff6ff 0%, #dbeafe 100%);
    color: #1e3a8a;
  }

  .article-compare-primary .article-compare-table td::before {
    background: #dbeafe;
    color: #1d4ed8;
  }

  .article-related-card {
    grid-template-columns: 78px minmax(0, 1fr);
  }

  .article-related-thumb {
    width: 78px;
  }
}
@keyframes heroBrandGlow {
  0%, 100% {
    color: #cbd5e1; -webkit-text-fill-color: #cbd5e1;
    text-shadow:
      0 0  1px rgba(0,0,0,.55),
      0 0  8px rgba(0,0,0,.5),
      0 0 16px rgba(0,0,0,.42),
      0 3px 14px rgba(0,0,0,.65);
    filter: drop-shadow(0 0 8px rgba(0,0,0,.42)); opacity: 0.8;
  }
  50% {
    color: #ffffff; -webkit-text-fill-color: #ffffff;
    text-shadow:
      0 0 10px rgba(255,255,255,.9),
      0 0 22px rgba(255,255,255,.62),
      0 0 36px rgba(203,213,225,.52),
      0 4px 14px rgba(0,0,0,.45);
    filter: drop-shadow(0 0 14px rgba(255,255,255,.38)); opacity: 1;
  }
}

/* ── タイトル / サブタイトル ── */
.hero-title-main {
  color: #ffffff;
  font-size: clamp(29px, 7.2vw, 51px);  /* 元値 × 0.9 */
  font-weight: 900; line-height: 1.3;
  margin-bottom: 22px;
  text-shadow: 0 4px 16px rgba(0,0,0,.5), 0 2px 8px rgba(0,0,0,.3);
  letter-spacing: 0.5px;
}
.hero-subtitle-main {
  color: #ffffff;
  margin-top: 22px;
  font-size: clamp(14px, 3.6vw, 18px);  /* 元値 × 0.9 */
  line-height: 1.8; font-weight: 500;
  text-shadow:
    0 1px 3px rgba(0,0,0,.7),
    0 3px 10px rgba(0,0,0,.5);
  pointer-events: none; user-select: none;
}

/* ── CTAボタン群 ── */
.hero-cta-wrap {
  margin-top: 36px;
  display: flex; gap: 11px; justify-content: center; flex-wrap: wrap;
}
.hero-btn-primary {
  background: #374151; border: none;
  padding: clamp(11px, 2.7vw, 14px) clamp(22px, 4.5vw, 32px);
  font-size: clamp(13px, 2.7vw, 14px);
  font-weight: 600; border-radius: 8px;
  box-shadow: 0 4px 12px rgba(55,65,81,.2);
  transition: all 0.3s ease; white-space: nowrap;
  cursor: pointer; pointer-events: auto;
}
.hero-btn-outline {
  border: 2px solid #d1d5db; color: #1f2937;
  padding: clamp(11px, 2.7vw, 13px) clamp(18px, 4.5vw, 31px);
  font-size: clamp(13px, 2.7vw, 14px);
  font-weight: 600; background: #ffffff; border-radius: 8px;
  transition: all 0.3s ease; white-space: nowrap;
  cursor: pointer; pointer-events: auto;
}

/* ============================================================
   SECTION COMMON
============================================================ */
.section-white      { background: #ffffff; padding: 80px 0; }
.section-gray       { background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%); padding: 80px 0; }
.section-light      { background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%); padding: 80px 0; }
.section-rel-hidden { position: relative; overflow: hidden; }
.section-z1         { position: relative; z-index: 1; }

/* 装飾用 radial blob */
.deco-blob-tr {
  position: absolute; top: -50%; right: -10%;
  width: 600px; height: 600px; border-radius: 50%; z-index: 0;
  background: radial-gradient(circle, rgba(107,114,128,.05) 0%, transparent 70%);
}
.deco-blob-bl {
  position: absolute; bottom: -50%; left: -10%;
  width: 600px; height: 600px; border-radius: 50%; z-index: 0;
  background: radial-gradient(circle, rgba(59,130,246,.1) 0%, transparent 70%);
}

/* セクション見出し */
.section-h2      { color: #0f172a; font-size: 36px; font-weight: 800; }
.section-h2-lg   { color: #111827; margin-bottom: 16px; font-size: 40px; font-weight: 800; line-height: 1.3; }
.h2-highlight    { color: #111827; font-size: inherit; font-weight: inherit; }
.section-sub     { color: #6b7280; font-size: 16px; margin-top: 16px; }
.section-sub-dark{ color: #475569; line-height: 1.8; font-size: 15px; }
.link-accent     { color: #007bff; }

/* アクセントバー */
.accent-bar {
  width: 60px; height: 4px;
  background: linear-gradient(135deg, #374151, #1f2937);
  margin: 0 auto; border-radius: 2px;
}

/* ============================================================
   FEATURED SECTION（3つの強み）
============================================================ */
.feat-flex-start { display: flex; align-items: flex-start; }
.service-f-grid  { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; width: 100%; }

/* サービスカード */
.featured-service-item {
  margin-bottom: 28px; padding: 32px;
  background: white; border-left: 4px solid #1f2937; border-radius: 12px;
  box-shadow: 0 4px 12px rgba(31,41,55,.1);
  transition: all 0.8s cubic-bezier(0.23, 1, .32, 1);
  cursor: pointer; opacity: 0; transform: translateY(30px);
}
.featured-service-item.animated {
  opacity: 1 !important; transform: translateY(0) !important;
}
.featured-service-item:hover {
  transform: translateY(-8px) !important;
  box-shadow: 0 12px 28px rgba(31,41,55,.2);
  border-left-color: #60a5fa;
}
.featured-service-item:hover > div > div:first-child {
  transform: scale(1.1) rotate(5deg);
  background: linear-gradient(135deg, #60a5fa, #3b82f6);
}

/* 番号バッジ */
.feat-num-badge {
  background: linear-gradient(135deg, #374151, #1f2937);
  color: white; width: 50px; height: 50px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; margin-right: 20px; flex-shrink: 0;
  font-size: 20px; transition: all 0.3s ease;
}

/* カード内テキスト */
.feat-h3    { color: #0f172a; font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feat-h3-lg { color: #0f172a; font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.feat-p     { color: #475569; margin: 0; line-height: 1.6; font-size: 15px; }

/* アイコン付きサービスアイテム */
.icon-circle {
  background: linear-gradient(135deg, #374151, #1f2937);
  color: white; width: 60px; height: 60px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; margin-bottom: 16px; flex-shrink: 0;
}
.service-item-f {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; padding: 0;
}
.svc-strong { color: #0f172a; font-size: 16px; margin-bottom: 8px; }
.svc-p      { color: #475569; font-size: 14px; line-height: 1.6; margin: 0; }

/* ============================================================
   SUCCESS CASES — 自動スクロールカルーセル
============================================================ */
.carousel-outer      { position: relative; width: 100%; }
.carousel-outer::before,
.carousel-outer::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 72px;
  z-index: 2;
  pointer-events: none;
}
.carousel-outer::before {
  left: 0;
  background: linear-gradient(90deg, #ffffff 0%, rgba(255,255,255,0) 100%);
}
.carousel-outer::after {
  right: 0;
  background: linear-gradient(270deg, #ffffff 0%, rgba(255,255,255,0) 100%);
}
.carousel-track-wrap { position: relative; width: 100%; overflow: hidden; background: white; }

@media (max-width: 767px) {
  .carousel-outer::before,
  .carousel-outer::after {
    width: 28px;
  }
}

@keyframes scroll-left {
  0%   { transform: translateX(0); }
  100% { transform: translateX(calc(-1 * var(--success-loop-distance, 0px))); }
}
#success-carousel {
  display: flex; gap: 14px; padding: 20px 60px;
  width: fit-content; will-change: transform;
  animation: scroll-left var(--success-loop-duration, 32s) linear infinite;
}

/* カードリンク */
.case-link {
  text-decoration: none; display: block; cursor: pointer;
  flex-shrink: 0; width: 280px; margin-right: 12px;
}

/* カードベース */
.success-case-item {
  background: white; border-radius: 16px; overflow: hidden;
  box-shadow: 0 4px 16px rgba(31,41,55,.15);
  height: 100%; display: flex; flex-direction: column;
  padding: 8px; gap: 8px; width: 280px; cursor: pointer;
}
.success-case-item.success-case-animated {
  opacity: 1 !important; transform: translateY(0) !important;
}
.success-case-item:hover {
  box-shadow: 0 12px 32px rgba(31,41,55,.2) !important;
  transform: scale(1.02) !important;
}

/* カード内レイアウト */
.case-img-wrap  { display: flex; justify-content: center; align-items: center; }
.case-img-inner {
  border-radius: 12px; width: 100%; max-width: 228px; height: 390px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.case-img-inner img { width: 100%; height: 110%; object-fit: cover; object-position: top; }
.case-header       { display: flex; flex-direction: column; gap: 4px; padding: 4px 6px 0; text-align: center; }
.case-info         { display: flex; flex-direction: column; gap: 8px; }
.case-result-box   { display: grid; grid-template-columns: 1fr; gap: 6px; }
.case-result-inner { padding: 10px 12px; border-radius: 10px; }
.case-result-label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 4px; }
.case-result-text  { display: block; font-size: 13px; line-height: 1.55; font-weight: 600; }
.case-tags         { display: flex; flex-wrap: wrap; gap: 6px; }
.case-tag          { padding: 4px 9px; border-radius: 20px; font-size: 10px; font-weight: 600; }
.case-h3           { color: #0f172a; font-size: 16px; font-weight: 700; margin: 0; }
.case-subtitle     { font-weight: 600; font-size: 13px; line-height: 1.4; margin: 0; }

#success-cases .success-case-item h3 { font-size: 18px !important; line-height: 1.35 !important; text-align: center !important; }
#success-cases .success-case-item p  { font-size: 14px !important; line-height: 1.45 !important; }

/* モバイル: カードを割合維持しながら2/3サイズに */
@media (max-width: 767px) {
  .case-link {
    width: 187px;
    margin-right: 8px;
  }
  .success-case-item {
    width: 187px;
    padding: 5px;
    gap: 5px;
    border-radius: 11px;
  }
  .case-img-inner {
    max-width: 152px;
    height: 260px;
    border-radius: 8px;
  }
  .case-header       { padding: 3px 4px 0; gap: 3px; }
  .case-h3           { font-size: 11px; }
  .case-subtitle     { font-size: 9px; }
  .case-info         { gap: 5px; }
  .case-result-inner { padding: 7px 8px; border-radius: 7px; }
  .case-result-label { font-size: 9px; margin-bottom: 3px; }
  .case-result-text  { font-size: 9px; line-height: 1.55; }
  .case-tag          { font-size: 7px; padding: 3px 6px; border-radius: 13px; }
  #success-cases .success-case-item h3 { font-size: 12px !important; }
  #success-cases .success-case-item p  { font-size: 9px !important; }
}

/* ============================================================
   PRICING TABLE
============================================================ */
.pricing-table { border-collapse: collapse; width: 100%; }
.pt-empty      { width: 50%; }
.pt-label      { width: 50%; text-align: center; }
.pt-price      { width: 50%; text-align: center; }
.pt-h5-center  { text-align: center; }

.pricing-detail-toggle {
  font-weight: 600; border: 1px solid #374151; color: #374151;
  background: #ffffff; border-radius: 8px; padding: 10px 22px;
  transition: all 0.25s ease; box-shadow: 0 2px 8px rgba(31,41,55,.1);
}
.pricing-detail-toggle:hover,
.pricing-detail-toggle:focus {
  color: #ffffff; background: #374151; border-color: #374151;
  box-shadow: 0 8px 18px rgba(31,41,55,.22);
}
.pricing-detail-toggle:not(.collapsed) {
  color: #ffffff; background: #1f2937; border-color: #1f2937;
  box-shadow: 0 8px 18px rgba(31,41,55,.24);
}
.pricing-detail-toggle:active { transform: translateY(0); }

/* ============================================================
   COMPANY INFO
============================================================ */
.company-img { border-radius: 16px; box-shadow: 0 20px 60px rgba(31,41,55,.25); }

/* ============================================================
   CONTACT FORM
============================================================ */
.contact-form-wrap  { background: #f3f4f6; padding: 20px; border-radius: 12px; box-shadow: 0 1px 3px rgba(0,0,0,.05); }
.c-form__label-color{ color: #374151; }
.c-input-styled     { background: #ffffff; border: 1px solid #e5e7eb; color: #374151; border-radius: 6px; padding: 10px 12px; }
.c-textarea         { min-height: 120px; resize: vertical; }
.c-submit-btn {
  background: linear-gradient(135deg, #374151 0%, #1f2937 100%); border: none;
  padding: 12px 32px; font-size: 16px; font-weight: 600; color: white;
  border-radius: 6px; cursor: pointer; transition: all 0.3s ease; width: 100%;
}

/* ============================================================
   MAP
============================================================ */
.map-height-fixed { height: 544px; }
@media (max-width: 991px)  { .map-container-responsive { height: 300px !important; } }
@media (min-width: 992px)  { .map-container-responsive { height: 544px !important; } }

/* ============================================================
   FOOTER
============================================================ */
.site-footer.footer-modern               { background: #ffffff; border-top: 1px solid #e5e7eb; border-bottom: 0; }
.site-footer.footer-modern::after        { display: none; }
.site-footer.footer-modern .site-footer-title { color: #0f172a; font-weight: 700; font-size: 14px; }
.site-footer.footer-modern .site-footer-link  { color: #475569; font-size: 14px; transition: color 0.3s ease; }
.site-footer.footer-modern .site-footer-link:hover { color: #1f2937; }
.site-footer.footer-modern .copyright-text     { color: #64748b; font-size: 12px; }