/* =========================================================
   Samurai Hub Technologies — styles
   ========================================================= */
:root {
  --bg: #0f172a;
  --bg-soft: #f8fafc;
  --bg-alt: #eef2f7;
  --ink: #0f172a;
  --ink-soft: #475569;
  --ink-mute: #64748b;
  --line: #e2e8f0;
  --brand: #2563eb;
  --brand-2: #7c3aed;
  --brand-ink: #1d4ed8;
  --accent: #f43f5e;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(15, 23, 42, .08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, .16);
  --container: 1120px;
  --grad: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { line-height: 1.4; letter-spacing: .01em; }

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

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

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-weight: 700;
  font-size: .98rem;
  padding: .85rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 22px rgba(37, 99, 235, .35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(37, 99, 235, .45); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { background: var(--bg-alt); transform: translateY(-2px); }
.btn-block { width: 100%; padding: 1rem; font-size: 1.05rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}
.brand { display: inline-flex; align-items: center; gap: .65rem; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: var(--grad);
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: 0 6px 16px rgba(37, 99, 235, .35);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: "Outfit", sans-serif; font-size: 1.08rem; letter-spacing: .02em; }
.brand-text small { font-family: "Outfit", sans-serif; font-size: .72rem; color: var(--ink-mute); letter-spacing: .14em; text-transform: uppercase; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu a { font-size: .94rem; font-weight: 500; color: var(--ink-soft); transition: color .15s; }
.nav-menu a:hover { color: var(--brand); }
.nav-cta {
  background: var(--ink);
  color: #fff !important;
  padding: .55rem 1.15rem;
  border-radius: 999px;
}
.nav-cta:hover { background: var(--brand-ink); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: var(--ink);
  transition: transform .25s, opacity .25s;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--bg);
  color: #fff;
  padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(4rem, 9vw, 7rem);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 60% at 80% 10%, rgba(124, 58, 237, .45), transparent 60%),
    radial-gradient(50% 60% at 10% 90%, rgba(37, 99, 235, .45), transparent 60%),
    linear-gradient(180deg, #0b1220, #0f172a);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(70% 70% at 50% 30%, #000, transparent 75%);
}
.hero-inner { position: relative; max-width: 760px; }
.hero-eyebrow {
  font-family: "Outfit", sans-serif;
  letter-spacing: .22em;
  text-transform: uppercase;
  font-size: .8rem;
  color: #93c5fd;
  margin: 0 0 1.1rem;
}
.hero-title {
  font-size: clamp(2.2rem, 6vw, 3.7rem);
  font-weight: 800;
  margin: 0 0 1.4rem;
  letter-spacing: .01em;
}
.hero-title .grad {
  background: linear-gradient(120deg, #60a5fa, #c084fc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead { font-size: clamp(1rem, 2.3vw, 1.18rem); color: #cbd5e1; margin: 0 0 2.2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero-actions .btn-ghost { color: #fff; border-color: rgba(255,255,255,.25); }
.hero-actions .btn-ghost:hover { background: rgba(255,255,255,.08); }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  list-style: none;
  margin: 3rem 0 0;
  padding: 1.8rem 0 0;
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-family: "Outfit", sans-serif; font-size: 1.25rem; color: #fff; }
.hero-stats span { font-size: .86rem; color: #94a3b8; }

/* ---------- Sections ---------- */
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section-alt { background: var(--bg-soft); }
.section-head { max-width: 640px; margin: 0 auto clamp(2.2rem, 5vw, 3.4rem); text-align: center; }
.section-eyebrow {
  font-family: "Outfit", sans-serif;
  letter-spacing: .22em;
  text-transform: uppercase;
  font-size: .78rem;
  color: var(--brand);
  margin: 0 0 .6rem;
  font-weight: 600;
}
.section-eyebrow.on-dark { color: #93c5fd; }
.section-title { font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 700; margin: 0 0 .9rem; }
.section-desc { color: var(--ink-soft); margin: 0; }

/* ---------- Service cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: #c7d2fe; }
.card-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  border-radius: 14px;
  background: linear-gradient(135deg, #eef2ff, #f5f3ff);
  margin-bottom: 1.1rem;
}
.card h3 { font-size: 1.18rem; margin: 0 0 .6rem; }
.card p { color: var(--ink-soft); margin: 0 0 1.1rem; font-size: .96rem; }
.tag-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.tag-list li {
  font-size: .8rem;
  color: var(--brand-ink);
  background: #eef2ff;
  padding: .3rem .7rem;
  border-radius: 999px;
}

/* ---------- Strengths ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.6rem;
}
.feature {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.2rem 1.9rem 1.9rem;
  box-shadow: var(--shadow);
}
.feature-num {
  font-family: "Outfit", sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  margin-bottom: .7rem;
}
.feature h3 { font-size: 1.12rem; margin: 0 0 .5rem; }
.feature p { color: var(--ink-soft); margin: 0; font-size: .95rem; }

/* ---------- Flow ---------- */
.flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.4rem;
  counter-reset: flow;
}
.flow-step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.9rem 1.6rem;
  box-shadow: var(--shadow);
}
.flow-step-no {
  display: inline-block;
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  font-size: .76rem;
  letter-spacing: .12em;
  color: #fff;
  background: var(--grad);
  padding: .3rem .75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.flow-step h3 { font-size: 1.06rem; margin: 0 0 .5rem; }
.flow-step p { color: var(--ink-soft); margin: 0; font-size: .93rem; }

/* ---------- Pricing ---------- */
.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
  align-items: stretch;
}
.plan {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.2rem 1.9rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.plan-featured {
  border-color: var(--brand);
  box-shadow: 0 18px 44px rgba(37, 99, 235, .22);
  transform: translateY(-6px);
}
.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad);
  color: #fff;
  font-size: .76rem;
  font-weight: 700;
  padding: .35rem 1rem;
  border-radius: 999px;
}
.plan-name { font-size: 1.1rem; margin: 0 0 .8rem; }
.plan-price {
  font-family: "Outfit", sans-serif;
  font-size: 2.6rem;
  font-weight: 800;
  margin: 0 0 .3rem;
  color: var(--ink);
}
.plan-from { font-size: 1rem; font-weight: 600; color: var(--ink-mute); margin-right: .15rem; }
.plan-unit { font-size: 1rem; font-weight: 600; color: var(--ink-soft); margin-left: .15rem; }
.plan-note { color: var(--ink-mute); font-size: .9rem; margin: 0 0 1.2rem; }
.plan-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.plan-list li { position: relative; padding-left: 1.5rem; color: var(--ink-soft); font-size: .94rem; }
.plan-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--brand);
  font-weight: 700;
}
.pricing-disclaimer { text-align: center; color: var(--ink-mute); font-size: .85rem; margin: 1.8rem 0 0; }

/* ---------- About ---------- */
.about { max-width: 820px; }
.about-head { text-align: center; margin-bottom: 2rem; }
.about-lead {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 700;
  margin: 0 0 1.4rem;
  text-align: center;
}
.about-body p { color: var(--ink-soft); }
.about-meta {
  margin: 2.2rem 0 0;
  border-top: 1px solid var(--line);
}
.about-meta > div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.about-meta dt { font-weight: 700; color: var(--ink); margin: 0; }
.about-meta dd { margin: 0; color: var(--ink-soft); }

/* ---------- Contact / CTA ---------- */
.section-cta { background: var(--bg); color: #fff; }
.cta-box { max-width: 680px; margin-inline: auto; text-align: center; }
.cta-title { font-size: clamp(1.7rem, 4.5vw, 2.5rem); font-weight: 800; margin: .4rem 0 1rem; }
.cta-desc { color: #cbd5e1; margin: 0 0 2.4rem; }

.contact-form { text-align: left; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-field { display: block; margin-bottom: 1rem; }
.form-field > span {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: .45rem;
  color: #e2e8f0;
}
.form-field i {
  font-style: normal;
  font-size: .72rem;
  color: #fda4af;
  margin-left: .3rem;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: .85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  color: #fff;
  font: inherit;
  transition: border-color .15s, background .15s;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: #94a3b8; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: #60a5fa;
  background: rgba(255,255,255,.1);
}
.form-field select option { color: #0f172a; }
.form-field textarea { resize: vertical; }
.form-hint { text-align: center; color: #94a3b8; font-size: .85rem; margin: 1.2rem 0 0; }
.form-hint a { color: #93c5fd; text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer { background: #0b1220; color: #cbd5e1; padding: 3rem 0 2rem; }
.footer-inner { display: grid; gap: 1.6rem; }
.footer-brand { display: flex; align-items: center; gap: .8rem; }
.footer-brand strong { color: #fff; font-family: "Outfit", sans-serif; }
.footer-brand p { margin: .15rem 0 0; font-size: .85rem; color: #94a3b8; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1rem 1.6rem; }
.footer-nav a { font-size: .9rem; color: #cbd5e1; transition: color .15s; }
.footer-nav a:hover { color: #fff; }
.footer-copy {
  margin: 0;
  font-size: .82rem;
  color: #64748b;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(255,255,255,.08);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: .5rem 24px 1.2rem;
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    transition: transform .28s ease;
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu li { border-bottom: 1px solid var(--line); }
  .nav-menu li:last-child { border-bottom: 0; }
  .nav-menu a { display: block; padding: .9rem .2rem; }
  .nav-cta { text-align: center; margin-top: .6rem; }
}

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
  .about-meta > div { grid-template-columns: 1fr; gap: .2rem; }
  .plan-featured { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}

/* =========================================================
   Blog / Works / Article (動的ページ)
   ========================================================= */
.section-more { text-align: center; margin-top: 2.4rem; }

.empty-state {
  text-align: center;
  color: var(--ink-mute);
  padding: 3rem 0;
}

/* ページヘッダー（一覧ページ上部） */
.page-hero {
  background: var(--bg);
  color: #fff;
  padding: clamp(3rem, 7vw, 4.5rem) 0;
  position: relative;
}
.page-hero-title { font-size: clamp(1.8rem, 5vw, 2.6rem); font-weight: 800; margin: .3rem 0 .6rem; }
.page-hero-desc { color: #cbd5e1; margin: 0; }

/* ブログ一覧 */
.post-list { display: grid; gap: 1.4rem; max-width: 780px; margin-inline: auto; }
.post-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.4rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
}
.post-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.post-thumb { display: block; }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; min-height: 140px; }
.post-body { padding: 1.4rem 1.5rem; }
.post-item:not(:has(.post-thumb)) { grid-template-columns: 1fr; }
.post-date { font-size: .8rem; color: var(--ink-mute); font-family: "Outfit", sans-serif; }
.post-body h2, .post-body h3 { margin: .3rem 0 .5rem; font-size: 1.2rem; }
.post-body h2 a, .post-body h3 a { transition: color .15s; }
.post-body h2 a:hover, .post-body h3 a:hover { color: var(--brand); }
.post-body p { color: var(--ink-soft); margin: 0 0 .7rem; font-size: .95rem; }
.read-more { color: var(--brand); font-weight: 600; font-size: .9rem; }

/* 実績カード */
.work-card { padding-top: 0; overflow: hidden; }
.work-card .work-thumb { display: block; margin: -2rem -1.8rem 1.2rem; }
.work-thumb img { width: 100%; height: 180px; object-fit: cover; }
.work-card h2, .work-card h3 { font-size: 1.18rem; margin: 0 0 .6rem; }
.work-card h2 a:hover, .work-card h3 a:hover { color: var(--brand); }

/* 記事詳細 */
.article { padding: clamp(2.5rem, 6vw, 4rem) 0; }
.article-narrow { max-width: 760px; }
.back-link { display: inline-block; color: var(--ink-mute); font-size: .9rem; margin-bottom: 1.4rem; }
.back-link:hover { color: var(--brand); }
.article-head { margin-bottom: 1.6rem; }
.article-title { font-size: clamp(1.7rem, 4.5vw, 2.4rem); font-weight: 800; margin: .4rem 0 .6rem; }
.article-lead { color: var(--ink-soft); font-size: 1.05rem; margin: 0 0 .8rem; }
.article-cover { width: 100%; border-radius: var(--radius); margin-bottom: 1.8rem; }
.article-action { margin-top: 2.2rem; }

/* Markdown 本文 */
.prose { color: var(--ink); line-height: 1.95; }
.prose h1, .prose h2, .prose h3 { margin: 2rem 0 .8rem; line-height: 1.5; }
.prose h2 { font-size: 1.5rem; border-bottom: 1px solid var(--line); padding-bottom: .4rem; }
.prose h3 { font-size: 1.2rem; }
.prose p { margin: 0 0 1.1rem; }
.prose ul, .prose ol { margin: 0 0 1.1rem; padding-left: 1.4rem; }
.prose li { margin-bottom: .4rem; }
.prose a { color: var(--brand-ink); text-decoration: underline; }
.prose img { border-radius: var(--radius-sm); margin: 1rem 0; }
.prose blockquote {
  margin: 1.2rem 0;
  padding: .6rem 1.2rem;
  border-left: 4px solid var(--brand);
  background: var(--bg-soft);
  color: var(--ink-soft);
}
.prose pre {
  background: #0f172a;
  color: #e2e8f0;
  padding: 1.1rem 1.3rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 0 0 1.2rem;
}
.prose code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92em; }
.prose :not(pre) > code { background: var(--bg-alt); padding: .15em .45em; border-radius: 5px; }
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 1.2rem; }
.prose th, .prose td { border: 1px solid var(--line); padding: .6rem .8rem; text-align: left; }
.prose th { background: var(--bg-soft); }

.error-page { text-align: center; padding: 4rem 0; }
.error-code { font-family: "Outfit", sans-serif; font-size: 4rem; font-weight: 800; color: var(--brand); margin: 0; }

.footer-admin {
  display: inline-block;
  margin-left: .6rem;
  padding: .15rem .6rem;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  color: #94a3b8;
  text-decoration: none;
  font-size: .78rem;
  white-space: nowrap;
}
.footer-admin:hover { color: #e2e8f0; border-color: rgba(255,255,255,.4); }

@media (max-width: 560px) {
  .post-item { grid-template-columns: 1fr; }
  .post-thumb img { min-height: 0; height: 200px; }
}