/* デジタルDIY 一人百役 — 公式サイト
 * Stripe + Apple のいいとこ取り。
 * 紺 #1A3B6E / 黄 #FFC107 / 白 #FFFFFF / グレー #F5F5F7
 */
:root {
  --navy: #1A3B6E;
  --navy-dark: #112849;
  --navy-light: #2c5396;
  --yellow: #FFC107;
  --yellow-dark: #E6AC00;
  --bg: #FFFFFF;
  --bg-soft: #F5F5F7;
  --text: #1a1d24;
  --text-sub: #6b7280;
  --border: #e5e7eb;
  --shadow-sm: 0 1px 3px rgba(20,30,50,.04), 0 1px 2px rgba(20,30,50,.06);
  --shadow-md: 0 4px 16px rgba(20,30,50,.06), 0 2px 6px rgba(20,30,50,.04);
  --shadow-lg: 0 16px 48px rgba(20,30,50,.10), 0 4px 14px rgba(20,30,50,.06);
  --radius: 14px;
  --radius-lg: 22px;
  --max: 1200px;
  --serif: 'Noto Serif JP', "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans:  'Noto Sans JP', "Hiragino Sans", "Yu Gothic UI", system-ui, sans-serif;
}
* { margin:0; padding:0; box-sizing:border-box; }
html, body { background: var(--bg); color: var(--text); font-family: var(--sans); line-height: 1.7; -webkit-font-smoothing: antialiased; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration: none; transition: color .15s; }
a:hover { color: var(--navy-light); }
button { font-family: inherit; cursor: pointer; }

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

/* ── ヘッダ ── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(0,0,0,.05);
}
.site-header .container { display:flex; align-items:center; height: 64px; gap: 24px; }
.site-header .logo {
  font-family: var(--serif); font-weight: 900;
  font-size: 17px; color: var(--navy); letter-spacing: .01em;
  display: flex; align-items: center; gap: 6px;
}
.site-header .logo .dot { color: var(--yellow); }
.site-header nav { display:flex; gap: 6px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.site-header nav a {
  font-size: 13px; font-weight: 600; color: var(--text);
  padding: 8px 12px; border-radius: 8px;
}
.site-header nav a:hover { background: var(--bg-soft); color: var(--navy); }
.site-header .cta-mini {
  background: var(--navy); color: #fff !important;
  padding: 8px 16px !important; border-radius: 999px;
  font-weight: 700;
}
.site-header .cta-mini:hover { background: var(--navy-light); }

/* モバイル: ハンバーガー */
.nav-toggle { display: none; border: 0; background: transparent; padding: 6px 8px; font-size: 22px; color: var(--navy); }

/* ── ボタン ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 0; cursor: pointer; text-decoration: none;
  transition: transform .15s, box-shadow .15s, background .15s;
  font-family: inherit; letter-spacing: .02em;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--navy); color: #fff !important; box-shadow: 0 6px 20px rgba(26,59,110,.3); }
.btn-primary:hover { background: var(--navy-light); box-shadow: 0 10px 28px rgba(26,59,110,.4); }
.btn-yellow { background: var(--yellow); color: var(--navy-dark) !important; box-shadow: 0 6px 20px rgba(255,193,7,.35); }
.btn-yellow:hover { background: var(--yellow-dark); box-shadow: 0 10px 28px rgba(255,193,7,.45); }
.btn-ghost { background: #fff; color: var(--navy) !important; border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--navy); }
.btn-line {
  background: #06C755; color: #fff !important;
  box-shadow: 0 6px 20px rgba(6,199,85,.3);
}
.btn-line:hover { background: #05a649; }

/* ── ヒーロー ── */
.hero {
  position: relative; overflow: hidden;
  padding: 120px 0 100px;
  background: linear-gradient(180deg, #fff 0%, #f0f4fa 60%, #fff 100%);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(255,193,7,.10), transparent 60%),
    radial-gradient(700px 400px at 90% 30%, rgba(26,59,110,.08), transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; text-align: center; }
.hero h1 {
  font-family: var(--serif); font-weight: 900;
  font-size: clamp(34px, 6.5vw, 72px);
  line-height: 1.15; letter-spacing: -.01em;
  color: var(--navy-dark);
  margin-bottom: 16px;
}
.hero h1 .accent { color: var(--yellow); }
.hero h1 .accent::before { content: '¥'; font-size: .85em; }
.hero .lead {
  font-size: clamp(15px, 1.8vw, 19px);
  color: var(--text-sub);
  max-width: 640px; margin: 0 auto 40px;
}
.hero-ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-meta { margin-top: 28px; font-size: 12px; color: var(--text-sub); display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; }
.hero-meta strong { color: var(--navy); font-weight: 800; }

/* セクション共通 */
section.block { padding: 100px 0; }
section.block.alt { background: var(--bg-soft); }
.section-head { text-align: center; margin-bottom: 60px; }
.section-eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 800; letter-spacing: .15em;
  color: var(--yellow-dark); text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head h2 {
  font-family: var(--serif); font-weight: 900;
  font-size: clamp(26px, 4vw, 42px); line-height: 1.25;
  color: var(--navy-dark);
}
.section-head .desc {
  margin-top: 14px; color: var(--text-sub);
  font-size: 15px; max-width: 560px; margin-left: auto; margin-right: auto;
}

/* ── About ── */
.about-grid { display: grid; grid-template-columns: 320px 1fr; gap: 48px; align-items: center; }
.about-photo {
  width: 100%; aspect-ratio: 4/5; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 60%, var(--yellow) 130%);
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-photo::after {
  content: '🛠️'; position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 96px;
}
.about-text h3 { font-family: var(--serif); font-size: 22px; color: var(--navy); margin-bottom: 16px; }
.about-text p { font-size: 15px; color: #374151; margin-bottom: 12px; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.stat-card { background: #fff; padding: 18px; border-radius: var(--radius); box-shadow: var(--shadow-sm); text-align: center; }
.stat-card .num { font-family: var(--serif); font-size: 32px; font-weight: 900; color: var(--navy); line-height: 1; }
.stat-card .label { font-size: 11px; color: var(--text-sub); margin-top: 6px; font-weight: 600; }

/* ── サービス3カラム ── */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc-card {
  background: #fff; border-radius: var(--radius-lg); padding: 32px 28px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: transform .2s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.svc-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(26,59,110,.2); }
.svc-card .icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: var(--yellow); margin-bottom: 18px;
}
.svc-card h3 { font-family: var(--serif); font-size: 19px; color: var(--navy-dark); margin-bottom: 10px; }
.svc-card p { font-size: 14px; color: var(--text-sub); margin-bottom: 16px; flex: 1; }
.svc-card .price { font-size: 13px; color: var(--navy); font-weight: 700; margin-bottom: 10px; }
.svc-card .price strong { font-family: var(--serif); font-size: 22px; }
.svc-card a.svc-link {
  font-weight: 700; color: var(--navy); display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px;
}
.svc-card a.svc-link::after { content: "→"; transition: transform .15s; }
.svc-card a.svc-link:hover::after { transform: translateX(4px); }

/* ── ポートフォリオ (横スクロール) ── */
.pf-track {
  display: flex; gap: 16px;
  overflow-x: auto; padding: 8px 24px 24px;
  scroll-snap-type: x mandatory; scrollbar-width: thin;
}
.pf-track::-webkit-scrollbar { height: 6px; }
.pf-track::-webkit-scrollbar-thumb { background: rgba(26,59,110,.2); border-radius: 3px; }
.pf-card {
  flex: 0 0 280px; scroll-snap-align: start;
  background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: transform .2s, box-shadow .2s;
}
.pf-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pf-thumb {
  width: 100%; aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
  font-size: 48px; color: var(--yellow);
}
.pf-card h4 { font-family: var(--serif); font-size: 15px; color: var(--navy-dark); padding: 14px 16px 4px; }
.pf-card p { font-size: 12px; color: var(--text-sub); padding: 0 16px 14px; }

/* グラデーションパターン (各カード固有色) */
.bg-1 { background: linear-gradient(135deg, #1A3B6E, #2c5396); }
.bg-2 { background: linear-gradient(135deg, #6f4e37, #b54e1e); }
.bg-3 { background: linear-gradient(135deg, #2a8a3a, #5cb85c); }
.bg-4 { background: linear-gradient(135deg, #c79a3b, #FFC107); color: #1A3B6E !important; }
.bg-5 { background: linear-gradient(135deg, #b388ff, #6b48d8); }
.bg-6 { background: linear-gradient(135deg, #d33a3a, #ff6b6b); }
.bg-7 { background: linear-gradient(135deg, #112849, #1A3B6E); }
.bg-8 { background: linear-gradient(135deg, #1e6fc9, #4a90e2); }

/* ── YouTube ピックアップ ── */
.yt-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.yt-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.yt-card .thumb {
  aspect-ratio: 16/9; background: linear-gradient(135deg, var(--navy), var(--navy-dark));
  display: flex; align-items: center; justify-content: center; font-size: 48px; color: var(--yellow);
  position: relative;
}
.yt-card .thumb::after {
  content: '▶'; position: absolute; width: 56px; height: 56px;
  border-radius: 50%; background: rgba(255,255,255,.95); color: var(--navy);
  font-size: 18px; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,.2);
}
.yt-card h4 { padding: 14px 16px 4px; font-family: var(--serif); font-size: 15px; color: var(--navy-dark); line-height: 1.4; }
.yt-card .meta { padding: 0 16px 14px; font-size: 11px; color: var(--text-sub); }

.yt-embed { aspect-ratio: 16/9; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); margin-top: 40px; }
.yt-embed iframe { width: 100%; height: 100%; border: 0; }

/* ── FAQ ── */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  background: #fff; border-radius: var(--radius); margin-bottom: 12px;
  border: 1px solid var(--border);
}
.faq-item summary {
  cursor: pointer; padding: 18px 22px; font-weight: 700; color: var(--navy-dark);
  list-style: none; position: relative; font-size: 15px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font-weight: 900; font-size: 22px; color: var(--yellow); transition: transform .2s;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item .a { padding: 0 22px 20px; color: #4b5563; font-size: 14px; }

/* ── CTA セクション ── */
.cta-band {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff; padding: 80px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 70% 50%, rgba(255,193,7,.20), transparent 60%);
  pointer-events: none;
}
.cta-band h2 {
  font-family: var(--serif); font-weight: 900;
  font-size: clamp(24px, 4vw, 38px);
  margin-bottom: 18px; position: relative;
}
.cta-band p { font-size: 15px; opacity: .85; margin-bottom: 32px; position: relative; }
.cta-band .ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; position: relative; }

/* ── フッター ── */
.site-footer { background: var(--bg-soft); padding: 60px 0 30px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.footer-grid h5 { font-family: var(--serif); font-size: 14px; color: var(--navy-dark); margin-bottom: 14px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 8px; font-size: 13px; }
.footer-grid li a { color: var(--text-sub); }
.footer-grid li a:hover { color: var(--navy); }
.footer-brand .logo { font-family: var(--serif); font-weight: 900; color: var(--navy); font-size: 18px; margin-bottom: 12px; }
.footer-brand .logo .dot { color: var(--yellow); }
.footer-brand p { font-size: 12px; color: var(--text-sub); }
.sns-row { display: flex; gap: 8px; margin-top: 12px; }
.sns-row a {
  width: 36px; height: 36px; border-radius: 50%; background: #fff;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); font-size: 16px;
  transition: all .15s;
}
.sns-row a:hover { background: var(--navy); color: #fff; border-color: var(--navy); transform: translateY(-2px); }
.copyright { text-align: center; font-size: 12px; color: var(--text-sub); padding-top: 24px; border-top: 1px solid var(--border); }

/* ── スクロールフェードイン ── */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── スマホ専用CTA (下部固定) ── */
.mobile-bar {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 16px rgba(0,0,0,.06);
}
.mobile-bar .ctas { display: flex; gap: 8px; }
.mobile-bar .ctas a { flex: 1; padding: 12px; font-size: 13px; border-radius: 12px; }

/* ── レスポンシブ ── */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-photo { max-width: 280px; margin: 0 auto; }
  .svc-grid, .yt-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .site-header nav { display: none; position: absolute; left: 0; right: 0; top: 64px; background: #fff; flex-direction: column; align-items: stretch; padding: 14px; gap: 4px; box-shadow: var(--shadow-md); }
  .site-header nav.open { display: flex; }
  .site-header nav a { padding: 12px 16px !important; }
  .nav-toggle { display: block; margin-left: auto; }
  .hero { padding: 60px 0 80px; }
  section.block { padding: 60px 0; }
  .section-head { margin-bottom: 36px; }
  .container { padding: 0 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .about-stats { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
  .stat-card { padding: 12px 6px; }
  .stat-card .num { font-size: 22px; }
  .stat-card .label { font-size: 9px; }
  .mobile-bar { display: block; }
  body { padding-bottom: 72px; }
}