/* ============================================================
   黒バンBASE デザインシステム
   信頼感 / 堅実 / 法人向け / 日本企業らしさ / 物流インフラ
   ============================================================ */
:root {
  --c-ink: #16181d;          /* ブラック（本文/見出し） */
  --c-charcoal: #23272f;     /* 濃いチャコール */
  --c-charcoal-2: #2c313b;
  --c-gray: #5b626e;         /* ダークグレー本文 */
  --c-gray-2: #7a8290;
  --c-line: #e2e5ea;         /* 罫線 */
  --c-bg: #ffffff;
  --c-bg-soft: #f5f6f8;      /* ライトグレー背景 */
  --c-bg-soft-2: #eef0f3;
  --c-blue: #0b4da2;         /* 信頼感のあるブルー（アクセント限定） */
  --c-blue-d: #093f85;
  --c-blue-soft: #eaf1fb;
  --c-white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(20,24,29,.06), 0 1px 3px rgba(20,24,29,.04);
  --shadow-md: 0 4px 16px rgba(20,24,29,.08);
  --shadow-lg: 0 12px 40px rgba(20,24,29,.12);
  --radius: 6px;
  --maxw: 1120px;
  --font: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.85;
  font-size: 16px;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 0;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.4; font-weight: 700; color: var(--c-ink); letter-spacing: .01em; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--c-ink); color: #fff;
  padding: 10px 16px; z-index: 9999;
}
.skip-link:focus { left: 8px; top: 8px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--c-line);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { display: flex; align-items: center; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-logo { height: 46px; width: auto; display: block; }
.brand-accent { color: var(--c-blue); }
.global-nav { margin-left: auto; }
.global-nav ul { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.global-nav a { color: var(--c-charcoal); font-size: 14.5px; font-weight: 500; padding: 6px 0; position: relative; }
.global-nav a:hover { color: var(--c-blue); text-decoration: none; }
.global-nav a::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--c-blue); transition: width .2s;
}
.global-nav a:hover::after { width: 100%; }
.header-cta { display: flex; align-items: center; gap: 12px; }
.btn-tel .tel-num { font-weight: 700; font-size: 15px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 700; font-size: 15px; padding: 12px 22px; border-radius: var(--radius);
  border: 1.5px solid transparent; cursor: pointer; transition: all .18s; text-align: center;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--c-blue); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--c-blue-d); color: #fff; box-shadow: var(--shadow-md); }
.btn-dark { background: var(--c-ink); color: #fff; }
.btn-dark:hover { background: var(--c-charcoal); color: #fff; }
.btn-ghost { background: transparent; color: var(--c-charcoal); border-color: var(--c-line); }
.btn-ghost:hover { border-color: var(--c-blue); color: var(--c-blue); }
.btn-lg { font-size: 16.5px; padding: 16px 32px; }
.btn-block { width: 100%; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--c-ink); transition: .2s; }
.mobile-nav { border-top: 1px solid var(--c-line); background: #fff; }
.mobile-nav ul { list-style: none; margin: 0; padding: 8px 0; }
.mobile-nav a { display: block; padding: 14px 24px; color: var(--c-charcoal); font-weight: 500; border-bottom: 1px solid var(--c-bg-soft); }
.mobile-nav .mobile-contact { color: var(--c-blue); font-weight: 700; }
.mobile-nav .mobile-line { color: #06c755; font-weight: 700; }
.mobile-nav .mobile-contact-sub { color: var(--c-gray); font-weight: 500; font-size: 14px; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { background: var(--c-bg-soft); border-bottom: 1px solid var(--c-line); }
.breadcrumb ol {
  max-width: var(--maxw); margin: 0 auto; padding: 12px 24px; list-style: none;
  display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--c-gray);
}
.breadcrumb a { color: var(--c-gray); }
.breadcrumb .sep { color: var(--c-gray-2); }
.breadcrumb [aria-current="page"] span { color: var(--c-ink); font-weight: 500; }

/* ---------- Hero ---------- */
.hero { position: relative; background: var(--c-charcoal); color: #fff; overflow: hidden; }
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero-media::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(18,20,25,.92) 0%, rgba(18,20,25,.75) 40%, rgba(18,20,25,.35) 100%);
}
.hero-inner { position: relative; z-index: 1; padding: 96px 24px 104px; max-width: var(--maxw); margin: 0 auto; }
.hero-tag {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .08em;
  color: #cfe0f7; border: 1px solid rgba(255,255,255,.35); padding: 6px 14px; border-radius: 100px; margin-bottom: 26px;
}
.hero h1 { font-size: clamp(28px, 4.6vw, 48px); font-weight: 900; color: #fff; line-height: 1.32; margin: 0 0 24px; letter-spacing: .02em; }
.hero h1 .accent { color: #7fb0ef; }
.hero-sub { font-size: clamp(15px, 1.7vw, 18px); color: #dfe3ea; max-width: 640px; margin: 0 0 36px; line-height: 1.9; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-note { margin-top: 28px; font-size: 13px; color: #aeb6c2; }

/* ---------- Section base ---------- */
.section { padding: 84px 0; }
.section-soft { background: var(--c-bg-soft); }
.section-dark { background: var(--c-charcoal); color: #fff; }
.section-head { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.section-head.left { text-align: left; margin-left: 0; }
.section-label { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .1em; color: var(--c-blue); margin-bottom: 12px; }
.section-dark .section-label { color: #7fb0ef; }
.section-title { font-size: clamp(24px, 3vw, 34px); font-weight: 900; margin: 0 0 16px; letter-spacing: .02em; }
.section-lead { font-size: 16px; color: var(--c-gray); line-height: 1.95; }
.section-dark .section-lead { color: #cfd4dc; }

/* Answer-first リード（各ページ冒頭の結論ブロック） */
.answer-lead {
  background: var(--c-blue-soft); border-left: 4px solid var(--c-blue);
  padding: 20px 24px; border-radius: 0 var(--radius) var(--radius) 0; margin-bottom: 32px;
  font-size: 15.5px; color: var(--c-charcoal); line-height: 1.9;
}

/* ---------- Entity statement bar ---------- */
.entity-bar { background: var(--c-ink); color: #dfe3ea; font-size: 14px; padding: 16px 0; text-align: center; }
.entity-bar strong { color: #fff; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm);
}
.card h3 { font-size: 18px; margin: 0 0 12px; }
.card p { color: var(--c-gray); font-size: 14.5px; margin: 0; }

/* 番号付き理由カード */
.reason-card { position: relative; padding-top: 30px; }
.reason-num {
  position: absolute; top: -14px; left: 24px; width: 40px; height: 40px; border-radius: 50%;
  background: var(--c-blue); color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 17px;
}

/* 悩みリスト */
.trouble-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; grid-template-columns: repeat(2,1fr); }
.trouble-list li {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 18px 20px 18px 52px; position: relative; font-size: 15px; color: var(--c-charcoal); font-weight: 500;
}
.trouble-list li::before {
  content: '✓'; position: absolute; left: 18px; top: 18px; color: var(--c-blue); font-weight: 900;
}

/* ---------- Pricing ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; max-width: 820px; margin: 0 auto; }
.price-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.price-card-head { background: var(--c-charcoal); color: #fff; padding: 22px 26px; }
.price-card-head h3 { color: #fff; font-size: 20px; margin: 0; }
.price-card-body { padding: 28px 26px; }
.price-amount { display: flex; align-items: baseline; gap: 4px; margin-bottom: 6px; }
.price-amount .yen { font-size: 18px; font-weight: 700; }
.price-amount .num { font-size: 40px; font-weight: 900; color: var(--c-ink); line-height: 1; }
.price-amount .unit { font-size: 15px; color: var(--c-gray); font-weight: 700; }
.price-tax { font-size: 13px; color: var(--c-gray-2); margin-bottom: 18px; }
.price-meta { border-top: 1px solid var(--c-line); padding-top: 16px; margin-top: 4px; }
.price-meta dt { font-size: 12.5px; color: var(--c-gray-2); font-weight: 700; margin-bottom: 2px; }
.price-meta dd { margin: 0 0 12px; font-size: 14px; color: var(--c-charcoal); }

/* ---------- Table ---------- */
.data-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--c-line); font-size: 14.5px; }
.data-table caption { text-align: left; font-weight: 700; margin-bottom: 10px; color: var(--c-ink); }
.data-table th, .data-table td { border: 1px solid var(--c-line); padding: 14px 16px; text-align: left; vertical-align: top; }
.data-table thead th { background: var(--c-bg-soft); color: var(--c-ink); font-weight: 700; }
.data-table th[scope="row"] { background: var(--c-bg-soft); width: 30%; }

/* ---------- Steps ---------- */
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; gap: 16px; }
.steps li {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 24px 24px 24px 76px;
  position: relative; box-shadow: var(--shadow-sm);
}
.steps li::before {
  counter-increment: step; content: counter(step); position: absolute; left: 22px; top: 22px;
  width: 38px; height: 38px; border-radius: 50%; background: var(--c-blue); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 16px;
}
.steps h3 { font-size: 17px; margin: 0 0 6px; }
.steps p { margin: 0; color: var(--c-gray); font-size: 14.5px; }
.steps .prep { margin-top: 8px; font-size: 13px; color: var(--c-gray-2); }

/* ---------- Use cases ---------- */
.usecase-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.usecase-list li { list-style: none; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 20px; font-weight: 500; font-size: 15px; }
.usecase-list li strong { display: block; color: var(--c-blue); font-size: 13px; margin-bottom: 6px; }

/* ---------- Section figures (LP実写風写真) ---------- */
.section-figure { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: 0 8px 30px rgba(16,24,40,.10); background: #fff; }
.section-figure img { display: block; width: 100%; height: auto; }
.section-figure figcaption { font-size: 13px; color: var(--c-charcoal); padding: 10px 14px; background: #fff; border-top: 1px solid var(--c-line); }
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 32px; align-items: center; }
.about-grid .prose { margin: 0; }
.usecase-visuals { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; margin-top: 28px; }
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
  .usecase-visuals { grid-template-columns: 1fr; }
}

/* ---------- Area ---------- */
.area-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; margin: 20px 0; }
.area-list li { background: #fff; border: 1px solid var(--c-line); border-left: 3px solid var(--c-blue); border-radius: 6px; padding: 14px 18px; font-size: 15px; color: var(--c-charcoal); }
.area-list li strong { color: var(--c-ink); }
@media (max-width: 640px) { .area-list { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { border: 1px solid var(--c-line); border-radius: var(--radius); background: #fff; margin-bottom: 14px; overflow: hidden; }
.faq-q { display: flex; gap: 14px; align-items: flex-start; padding: 20px 24px; font-weight: 700; font-size: 16px; }
.faq-q::before { content: 'Q'; flex: 0 0 auto; width: 28px; height: 28px; background: var(--c-ink); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; }
.faq-a { display: flex; gap: 14px; padding: 0 24px 22px; color: var(--c-gray); font-size: 15px; line-height: 1.95; }
.faq-a::before { content: 'A'; flex: 0 0 auto; width: 28px; height: 28px; background: var(--c-blue); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; }
.faq-cat-title { font-size: 20px; margin: 40px 0 18px; padding-bottom: 8px; border-bottom: 2px solid var(--c-ink); }

/* ---------- Info block (LLMO 引用ブロック) ---------- */
.info-block { background: #fff; border: 1px solid var(--c-line); border-left: 4px solid var(--c-blue); border-radius: 0 var(--radius) var(--radius) 0; padding: 24px 28px; }
.info-block h3 { font-size: 17px; margin: 0 0 14px; }
.info-block dl { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; margin: 0; font-size: 14.5px; }
.info-block dt { font-weight: 700; color: var(--c-charcoal); }
.info-block dd { margin: 0; color: var(--c-gray); }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--c-charcoal) 0%, #1a2740 100%); color: #fff; text-align: center; }
.cta-band h2 { color: #fff; font-size: clamp(22px,3vw,30px); margin: 0 0 14px; }
.cta-band p { color: #cfd4dc; max-width: 620px; margin: 0 auto 30px; }
.cta-buttons { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ---------- Prose (記事/規約本文) ---------- */
.prose { max-width: 820px; margin: 0 auto; }
.prose h2 { font-size: 24px; margin: 44px 0 16px; padding-bottom: 10px; border-bottom: 2px solid var(--c-ink); }
.prose h3 { font-size: 19px; margin: 32px 0 12px; }
.prose p { color: var(--c-charcoal); }
.prose ul, .prose ol { padding-left: 1.4em; color: var(--c-charcoal); }
.prose li { margin-bottom: .5em; }
.prose .note { background: var(--c-bg-soft); border-radius: var(--radius); padding: 16px 20px; font-size: 14px; color: var(--c-gray); }

/* ---------- Forms ---------- */
.form-wrap { max-width: 760px; margin: 0 auto; }
.form-row { margin-bottom: 22px; }
.form-row label { display: block; font-weight: 700; font-size: 14.5px; margin-bottom: 8px; color: var(--c-charcoal); }
.form-row label .req { color: #c0392b; font-size: 12px; margin-left: 6px; }
.form-row label .opt { color: var(--c-gray-2); font-size: 12px; margin-left: 6px; font-weight: 500; }
.form-row input[type=text], .form-row input[type=tel], .form-row input[type=email],
.form-row select, .form-row textarea {
  width: 100%; padding: 13px 14px; border: 1.5px solid var(--c-line); border-radius: var(--radius);
  font-size: 15px; font-family: var(--font); color: var(--c-ink); background: #fff;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--c-blue); box-shadow: 0 0 0 3px var(--c-blue-soft);
}
.form-row textarea { min-height: 130px; resize: vertical; }
.radio-group { display: flex; gap: 20px; flex-wrap: wrap; }
.radio-group label { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; margin: 0; cursor: pointer; }
.form-consent { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; background: var(--c-bg-soft); padding: 16px; border-radius: var(--radius); }
.form-consent input { margin-top: 4px; }
.form-error { color: #c0392b; font-size: 13px; margin-top: 6px; }
.form-note { font-size: 13px; color: var(--c-gray-2); }
.alert { padding: 16px 20px; border-radius: var(--radius); margin-bottom: 24px; font-size: 14.5px; }
.alert-error { background: #fdecea; border: 1px solid #f5c6cb; color: #a5342c; }
.alert-success { background: #eafaf1; border: 1px solid #b7e4c7; color: #1e7e46; }

/* ---------- Company table ---------- */
.company-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--c-line); }
.company-table th, .company-table td { border-bottom: 1px solid var(--c-line); padding: 18px 20px; text-align: left; font-size: 15px; vertical-align: top; }
.company-table th { background: var(--c-bg-soft); width: 32%; font-weight: 700; color: var(--c-ink); }
.pending { color: var(--c-gray-2); font-style: normal; }

/* ---------- Footer ---------- */
.site-footer { background: var(--c-ink); color: #b9bfc9; margin-top: 0; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding: 60px 24px 40px; }
.footer-logo { font-size: 22px; font-weight: 900; color: #fff; margin: 0 0 14px; }
.footer-logo-img { width: 100px; height: 100px; display: block; margin: 0 0 16px; border-radius: 50%; box-shadow: 0 4px 16px rgba(0,0,0,.3); }
.footer-entity { font-size: 13.5px; color: #9aa1ac; line-height: 1.9; margin-bottom: 18px; }
.footer-address { font-style: normal; font-size: 13.5px; color: #9aa1ac; line-height: 1.9; }
.footer-nav h2 { font-size: 14px; color: #fff; margin: 0 0 14px; }
.footer-nav ul { list-style: none; margin: 0; padding: 0; }
.footer-nav li { margin-bottom: 10px; }
.footer-nav a { color: #b9bfc9; font-size: 14px; }
.footer-nav a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #2c313b; padding: 20px 0; }
.footer-bottom p { margin: 0; font-size: 12.5px; color: #7a828e; text-align: center; }

/* ---------- LINE CTA ---------- */
/* LINEブランドカラーのボタン */
.btn-line {
  background: #06c755 !important; border-color: #06c755 !important; color: #fff !important;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-line:hover { background: #05b34c !important; border-color: #05b34c !important; color: #fff !important; text-decoration: none; }
/* LINE吹き出しアイコン */
.line-ico {
  display: inline-block; width: 18px; height: 18px; flex: 0 0 auto;
  background-repeat: no-repeat; background-position: center; background-size: contain;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M12 2C6.5 2 2 5.6 2 10c0 3.9 3.5 7.2 8.3 7.8.3.07.75.2.86.47.1.24.06.6.03.85l-.14.83c-.04.24-.2.96.85.52 1.05-.44 5.65-3.33 7.7-5.7C21.3 13.5 22 11.9 22 10c0-4.4-4.5-8-10-8z'/%3E%3C/svg%3E");
}
/* LINEが使えない方向けフォールバックリンク */
.cta-fallback { margin-top: 14px; font-size: 13.5px; }
.cta-fallback a { color: rgba(255,255,255,.85); text-decoration: underline; }
.cta-fallback a:hover { color: #fff; }

/* ---------- Floating LINE ---------- */
.floating-line {
  position: fixed; right: 20px; bottom: 24px; z-index: 90; background: #06c755; color: #fff;
  font-weight: 700; font-size: 14px; padding: 14px 20px; border-radius: 100px; box-shadow: var(--shadow-lg);
  display: inline-flex; align-items: center; gap: 8px;
}
.floating-line::before {
  content: ""; display: inline-block; width: 18px; height: 18px; flex: 0 0 auto;
  background-repeat: no-repeat; background-position: center; background-size: contain;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M12 2C6.5 2 2 5.6 2 10c0 3.9 3.5 7.2 8.3 7.8.3.07.75.2.86.47.1.24.06.6.03.85l-.14.83c-.04.24-.2.96.85.52 1.05-.44 5.65-3.33 7.7-5.7C21.3 13.5 22 11.9 22 10c0-4.4-4.5-8-10-8z'/%3E%3C/svg%3E");
}
.floating-line:hover { color: #fff; text-decoration: none; }

/* ---------- SP fixed CTA ---------- */
.sp-fixed-cta { display: none; }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-40 { margin-top: 40px; } .mb-24 { margin-bottom: 24px; }
.lead-strong { font-size: 17px; font-weight: 500; color: var(--c-charcoal); }

/* ============================================================
   Blog / お役立ち記事
   ============================================================ */
.container-narrow { max-width: 820px; }
.section-desc { color: var(--c-gray); font-size: 15.5px; margin: 0; max-width: 720px; }
.section-alt { background: var(--c-bg-soft); }
.section-title-sm { font-size: 22px; font-weight: 900; margin: 0 0 28px; letter-spacing: .02em; }
.empty-state {
  text-align: center; color: var(--c-gray); background: var(--c-bg-soft);
  border: 1px dashed var(--c-line); border-radius: var(--radius); padding: 48px 24px; font-size: 15px;
}

/* カテゴリーナビ */
.cat-nav { display: flex; flex-wrap: wrap; gap: 10px; margin: 28px 0 36px; }
.cat-chip {
  display: inline-block; font-size: 13.5px; font-weight: 700; padding: 8px 16px;
  border: 1px solid var(--c-line); border-radius: 100px; background: #fff; color: var(--c-charcoal);
  transition: all .15s;
}
.cat-chip:hover { border-color: var(--c-blue); color: var(--c-blue); text-decoration: none; }
.cat-chip.is-active { background: var(--c-blue); border-color: var(--c-blue); color: #fff; }

/* 記事カードグリッド */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.post-card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); transition: box-shadow .18s, transform .18s;
}
.post-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.post-card-link { display: flex; flex-direction: column; height: 100%; color: inherit; }
.post-card-link:hover { text-decoration: none; }
.post-card-thumb { aspect-ratio: 16/9; overflow: hidden; background: var(--c-bg-soft); }
.post-card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.post-cat {
  display: inline-block; align-self: flex-start; font-size: 12px; font-weight: 700;
  color: var(--c-blue); background: var(--c-blue-soft); padding: 4px 10px; border-radius: 4px; margin-bottom: 12px;
}
a.post-cat:hover { background: var(--c-blue); color: #fff; text-decoration: none; }
.post-card-title { font-size: 17px; font-weight: 700; line-height: 1.55; margin: 0 0 10px; color: var(--c-ink); }
.post-card-excerpt { font-size: 14px; color: var(--c-gray); line-height: 1.75; margin: 0 0 16px; flex: 1; }
.post-card-meta { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 12.5px; color: var(--c-gray-2); margin-top: auto; }

/* ページャー */
.pager { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 48px; }
.pager a { font-weight: 700; font-size: 14px; padding: 10px 20px; border: 1px solid var(--c-line); border-radius: var(--radius); }
.pager a:hover { border-color: var(--c-blue); color: var(--c-blue); text-decoration: none; }
.pager-status { font-size: 14px; color: var(--c-gray); font-weight: 700; }

/* 記事詳細 */
.article-detail { padding-top: 48px; }
.article-header { margin-bottom: 28px; }
.article-title { font-size: clamp(24px, 4vw, 34px); font-weight: 900; line-height: 1.45; margin: 12px 0 18px; letter-spacing: .01em; }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13.5px; color: var(--c-gray); align-items: center; }
.article-hero { margin: 0 0 32px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.article-hero img { width: 100%; height: auto; display: block; }
.article-body { margin: 0; }
.article-body img { max-width: 100%; height: auto; border-radius: var(--radius); margin: 24px 0; }
.article-body a { color: var(--c-blue); text-decoration: underline; }
.article-body blockquote {
  border-left: 4px solid var(--c-blue); background: var(--c-blue-soft);
  margin: 24px 0; padding: 16px 22px; border-radius: 0 var(--radius) var(--radius) 0; color: var(--c-charcoal);
}
.article-body pre {
  background: var(--c-ink); color: #e6e9ef; padding: 18px 20px; border-radius: var(--radius);
  overflow-x: auto; font-size: 13.5px; line-height: 1.7; margin: 24px 0;
}
.article-body code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92em; }
.article-body :not(pre) > code { background: var(--c-bg-soft-2); padding: 2px 6px; border-radius: 4px; }
.table-wrap { overflow-x: auto; margin: 24px 0; }
.article-body table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
.article-body th, .article-body td { border: 1px solid var(--c-line); padding: 10px 14px; text-align: left; }
.article-body th { background: var(--c-bg-soft); font-weight: 700; }

/* 目次 */
.toc {
  background: var(--c-bg-soft); border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 22px 26px; margin: 0 0 36px;
}
.toc-title { font-size: 14px; font-weight: 700; color: var(--c-ink); margin: 0 0 12px; }
.toc ul { margin: 0; padding-left: 1.2em; list-style: none; }
.toc li { margin-bottom: 6px; font-size: 14px; position: relative; }
.toc li::before { content: "・"; position: absolute; left: -1.1em; color: var(--c-blue); }
.toc li.toc-l3 { margin-left: 1.2em; font-size: 13.5px; }
.toc a { color: var(--c-charcoal); }
.toc a:hover { color: var(--c-blue); }

/* タグ */
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 36px 0 0; padding-top: 24px; border-top: 1px solid var(--c-line); }
.tag-chip { font-size: 13px; font-weight: 700; color: var(--c-gray); background: var(--c-bg-soft); padding: 6px 14px; border-radius: 100px; }
.tag-chip:hover { color: var(--c-blue); background: var(--c-blue-soft); text-decoration: none; }

/* AIバッジ */
.ai-badge {
  display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 700;
  color: var(--c-gray); background: var(--c-bg-soft-2); border: 1px solid var(--c-line);
  padding: 3px 10px; border-radius: 100px;
}

/* 著者ボックス */
.author-box {
  display: flex; gap: 20px; margin: 44px 0 0; padding: 28px;
  background: var(--c-bg-soft); border: 1px solid var(--c-line); border-radius: var(--radius);
}
.author-avatar { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.author-avatar-ph { background: linear-gradient(135deg, var(--c-blue-soft), var(--c-bg-soft-2)); }
.author-info { min-width: 0; }
.author-name { font-size: 16px; font-weight: 700; margin: 0 0 4px; color: var(--c-ink); }
.author-role { font-weight: 500; color: var(--c-gray); font-size: 14px; }
.author-org { font-size: 13px; color: var(--c-blue); font-weight: 700; margin: 0 0 8px; }
.author-bio { font-size: 13.5px; color: var(--c-charcoal); margin: 0 0 8px; line-height: 1.75; }
.author-qual { font-size: 12.5px; color: var(--c-gray); margin: 0; }
.author-qual .label { display: inline-block; font-weight: 700; color: var(--c-charcoal); margin-right: 6px; }

/* 用語集 */
.glossary-list { margin: 0; }
.glossary-item { border-bottom: 1px solid var(--c-line); padding: 24px 0; scroll-margin-top: 90px; }
.glossary-item dt { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.glossary-item dt a { color: var(--c-ink); }
.glossary-item dt a:hover { color: var(--c-blue); }
.glossary-item dd { margin: 0; color: var(--c-charcoal); }
.glossary-practical { background: var(--c-bg-soft); border-radius: var(--radius); padding: 12px 16px; margin: 12px 0 0; font-size: 14px; }
.glossary-practical .label { display: inline-block; font-weight: 700; color: var(--c-blue); margin-right: 8px; font-size: 13px; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .global-nav, .header-cta { display: none; }
  .nav-toggle { display: flex; margin-left: auto; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2,1fr); }
  .usecase-list { grid-template-columns: repeat(2,1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 30px; }
  .post-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .brand-logo { height: 38px; }
  .section { padding: 56px 0; }
  .hero-inner { padding: 64px 20px 80px; }
  .grid-2, .grid-3, .grid-4, .pricing-grid, .trouble-list, .usecase-list { grid-template-columns: 1fr; }
  .post-grid { grid-template-columns: 1fr; }
  .author-box { flex-direction: column; gap: 14px; padding: 22px; }
  .footer-inner { grid-template-columns: 1fr; }
  .info-block dl { grid-template-columns: 1fr; gap: 2px 0; }
  .info-block dd { margin-bottom: 10px; }
  .company-table th, .company-table td { display: block; width: 100%; }
  .company-table th { border-bottom: none; }
  .floating-line { display: none; }
  /* モバイル固定CTA */
  .sp-fixed-cta {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
    background: #fff; border-top: 1px solid var(--c-line); box-shadow: 0 -2px 12px rgba(0,0,0,.08);
  }
  .sp-fixed-cta a { flex: 1; text-align: center; padding: 14px 4px; font-size: 13.5px; font-weight: 700; }
  .sp-cta-tel { color: var(--c-charcoal); }
  .sp-cta-line { color: #06c755; }
  .sp-cta-contact { background: var(--c-blue); color: #fff; }
  .sp-cta-contact:hover, .sp-cta-line:hover, .sp-cta-tel:hover { text-decoration: none; }
  body { padding-bottom: 52px; }
  .breadcrumb ol { font-size: 12px; }
}

/* ============================================================
   ✨ ビジュアル強化（カラー / 動き）— ブランドの信頼感は維持
   ============================================================ */

/* --- カテゴリ別アクセントカラー --- */
:root {
  --cat-kaigyo: #0b4da2;    /* 軽貨物開業：ブランドブルー */
  --cat-vehicle: #0f8f8f;   /* 車両選び：ティール */
  --cat-operation: #d97a1a; /* 運営・実務：オレンジ */
  --cat-houjin: #6d4bb3;    /* 法人・複数台：パープル */
}
[data-cat="kaigyo"]    { --cat: var(--cat-kaigyo); --cat-soft: #eaf1fb; }
[data-cat="vehicle"]   { --cat: var(--cat-vehicle); --cat-soft: #e5f5f5; }
[data-cat="operation"] { --cat: var(--cat-operation); --cat-soft: #fcf0e3; }
[data-cat="houjin"]    { --cat: var(--cat-houjin); --cat-soft: #f0ebfa; }
[data-cat] { --cat: var(--c-blue); --cat-soft: var(--c-blue-soft); }

/* --- 記事カード：カテゴリカラー＋ホバー動き強化 --- */
.post-card { position: relative; transition: box-shadow .25s ease, transform .25s ease; }
.post-card::before {
  content: ''; position: absolute; left: 0; top: 0; height: 4px; width: 100%;
  background: var(--cat, var(--c-blue)); opacity: 0; transition: opacity .25s ease; z-index: 2;
}
.post-card:hover { box-shadow: 0 16px 40px rgba(20,24,29,.16); transform: translateY(-6px); }
.post-card:hover::before { opacity: 1; }
.post-card-thumb img { transition: transform .5s ease; }
.post-card:hover .post-card-thumb img { transform: scale(1.06); }
.post-card[data-cat] .post-cat { color: var(--cat); background: var(--cat-soft); }
.post-card[data-cat] a.post-cat:hover { background: var(--cat); color: #fff; }

/* --- サムネイル無し記事のプレースホルダー（カテゴリ色グラデ） --- */
.post-card-thumb-ph {
  display: flex; align-items: center; justify-content: center; aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--cat, var(--c-blue)) 0%, var(--c-charcoal) 130%);
  position: relative; overflow: hidden;
}
.post-card-thumb-ph::after {
  content: ''; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,.06) 0 12px, transparent 12px 24px);
}
.thumb-ph-mark {
  color: #fff; font-weight: 900; font-size: 18px; letter-spacing: .06em;
  z-index: 1; text-shadow: 0 2px 8px rgba(0,0,0,.25);
}

/* --- カテゴリチップ：ホバーで少し浮く --- */
.cat-chip { transition: all .18s ease; }
.cat-chip:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* --- 記事詳細：カテゴリカラーを反映 --- */
.article-detail[data-cat] .post-cat { color: var(--cat); background: var(--cat-soft); }
.article-detail[data-cat] .article-title {
  position: relative; padding-top: 18px;
}
.article-detail[data-cat] .article-header {
  border-bottom: 1px solid var(--c-line); padding-bottom: 24px;
}
/* タイトル上のカラーバー */
.article-detail[data-cat] .article-header::before {
  content: ''; display: block; width: 56px; height: 5px; border-radius: 100px;
  background: var(--cat, var(--c-blue)); margin-bottom: 20px;
}

/* --- 記事本文の見出しにカラーアクセント --- */
.article-body h2 {
  border-bottom: none; position: relative; padding: 6px 0 10px 18px; margin-top: 48px;
}
.article-body h2::before {
  content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 5px; border-radius: 100px;
  background: var(--cat, var(--c-blue));
}
.article-body h2::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px; background: var(--c-line);
}
.article-body h3 {
  padding-left: 14px; border-left: 3px solid var(--cat, var(--c-blue)); margin-top: 34px;
}
.article-body blockquote { border-left-color: var(--cat, var(--c-blue)); background: var(--cat-soft, var(--c-blue-soft)); }
.article-body a { color: var(--cat, var(--c-blue)); text-decoration-color: color-mix(in srgb, var(--cat, var(--c-blue)) 40%, transparent); }
.article-body strong { color: var(--c-ink); background: linear-gradient(transparent 62%, color-mix(in srgb, var(--cat, var(--c-blue)) 22%, transparent) 62%); padding: 0 1px; }

/* --- 目次：カテゴリカラー --- */
.article-detail[data-cat] .toc { border-left: 4px solid var(--cat, var(--c-blue)); }
.article-detail[data-cat] .toc li::before { color: var(--cat, var(--c-blue)); }
.toc a { transition: color .15s, padding-left .15s; }
.toc a:hover { color: var(--cat, var(--c-blue)); padding-left: 3px; }

/* --- 記事ヒーロー画像：ズームイン演出 --- */
.article-hero { position: relative; }
.article-hero img { transition: transform .6s ease; }
.article-hero:hover img { transform: scale(1.03); }

/* --- 著者ボックス：カテゴリカラーの縁 --- */
.article-detail[data-cat] .author-box {
  border-left: 4px solid var(--cat, var(--c-blue));
  background: linear-gradient(100deg, var(--cat-soft, var(--c-blue-soft)) 0%, var(--c-bg-soft) 60%);
}

/* --- タグチップ：ホバー動き --- */
.tag-chip { transition: all .16s ease; }
.tag-chip:hover { transform: translateY(-2px); }

/* --- CTAバンド：微妙な動くグラデ --- */
.cta-band { position: relative; overflow: hidden; }
.cta-band::before {
  content: ''; position: absolute; inset: -50%; z-index: 0; opacity: .5;
  background: radial-gradient(circle at 20% 30%, rgba(127,176,239,.25), transparent 40%),
              radial-gradient(circle at 80% 70%, rgba(15,143,143,.20), transparent 42%);
  animation: ctaGlow 14s ease-in-out infinite alternate;
}
.cta-band .container { position: relative; z-index: 1; }
@keyframes ctaGlow {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(4%, -3%) scale(1.08); }
}

/* --- スクロールリビール（JSで .is-visible 付与） --- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* --- セクションラベルにアニメの下線 --- */
.section-label { position: relative; padding-bottom: 4px; }
.section-label::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: currentColor;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}