/* ==========================================================
   サポデジ コマース LP
   カンプ: sapodigi-commerce-lp-comp-PC / mobile
   テーマ: パープル #6D28D9 / ネイビー #1E1B4B
   ========================================================== */

:root {
  --cm-primary: #6D28D9;
  --cm-primary-d: #5B21B6;
  --cm-deep: #1E1B4B;
  --cm-navy: #1A1C41;
  --cm-text: #232041;
  --cm-sub: #5D5A75;
  --cm-border: #E5E1F5;
  --cm-bg-soft: #F7F5FC;
  --cm-bg-lav: #EEE9FF;
  --cm-radius: 14px;
  --cm-radius-s: 10px;
  --cm-shadow: 0 6px 26px rgba(30, 27, 75, .09);
  --cm-shadow-s: 0 2px 10px rgba(30, 27, 75, .07);
  --cm-grad: linear-gradient(120deg, #7C3AED 0%, #5B21B6 100%);
  --cm-header-h: 66px;
  --font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--cm-header-h) + 12px); }
body {
  font-family: var(--font);
  color: var(--cm-text);
  background: #fff;
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; vertical-align: middle; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: var(--font); cursor: pointer; }

.cm-container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- ボタン ---------- */
.cm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--cm-radius-s);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
  border: 2px solid transparent;
  white-space: nowrap;
  transition: opacity .2s, transform .2s, background .2s, color .2s;
}
.cm-btn:hover { opacity: .85; transform: translateY(-1px); }
.cm-btn-primary { background: var(--cm-primary); color: #fff; box-shadow: 0 6px 18px rgba(109, 40, 217, .3); }
.cm-btn-outline { background: #fff; color: var(--cm-primary); border-color: var(--cm-primary); }
.cm-btn-white { background: #fff; color: var(--cm-primary-d); }
.cm-btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .8); }
.cm-btn .arrow { font-size: 12px; }

/* ---------- ヘッダー ---------- */
.cm-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--cm-border);
}
.cm-header .inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--cm-header-h);
  display: flex;
  align-items: center;
  gap: 20px;
}
.cm-header .logo img { height: 30px; width: auto; display: block; }
.cm-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.cm-nav a { font-size: 14px; font-weight: 700; transition: color .2s; }
.cm-nav a:hover { color: var(--cm-primary); }
.cm-header-cta { display: flex; gap: 10px; margin-left: 6px; }
.cm-header-cta .cm-btn { padding: 10px 20px; font-size: 13px; }

.cm-nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: none;
  border: none;
  margin-left: auto;
  position: relative;
  z-index: 110;
}
.cm-nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--cm-deep);
  margin: 5px auto;
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.cm-nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.cm-nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.cm-nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- ヒーロー ---------- */
.cm-hero {
  background: #F3EFFF url("../assets/commerce/backgrounds/hero-grid.svg") center / cover no-repeat;
  overflow: hidden;
}
.cm-hero .inner {
  display: grid;
  grid-template-columns: minmax(0, 42%) 1fr;
  gap: 40px;
  align-items: center;
  padding: 56px 24px 60px;
}
.cm-hero .badge {
  display: inline-block;
  color: var(--cm-primary-d);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  margin-bottom: 14px;
}
.cm-hero .hero-logo img { height: 40px; width: auto; margin-bottom: 10px; }
.cm-hero h1 {
  font-size: clamp(32px, 4.6vw, 50px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: .02em;
  color: var(--cm-deep);
  margin-bottom: 18px;
}
.cm-hero .lede {
  color: var(--cm-sub);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 28px;
}
.cm-hero .cta { display: flex; gap: 14px; flex-wrap: wrap; }
.cm-hero .visual img { width: 100%; height: auto; filter: drop-shadow(0 18px 36px rgba(30, 27, 75, .18)); }

/* ---------- クイック3ポイント ---------- */
.cm-quick { padding: 34px 0 8px; }
.cm-quick ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.cm-quick li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--cm-border);
  border-radius: var(--cm-radius);
  box-shadow: var(--cm-shadow-s);
  padding: 20px 22px;
}
.cm-quick .q-icon {
  width: 46px; height: 46px;
  flex: none;
  color: var(--cm-primary);
  background: var(--cm-bg-lav);
  border-radius: 12px;
  padding: 10px;
}
.cm-quick h3 { font-size: 15.5px; font-weight: 900; color: var(--cm-deep); }
.cm-quick p { font-size: 12.5px; color: var(--cm-sub); margin-top: 2px; }

/* ---------- セクション共通 ---------- */
.cm-section { padding: 72px 0; }
.cm-section-soft { background: var(--cm-bg-soft); }
.cm-title {
  text-align: center;
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 900;
  letter-spacing: .04em;
  color: var(--cm-deep);
  margin-bottom: 40px;
}

/* ---------- お悩み ---------- */
.cm-problems {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.cm-problem {
  background: #fff;
  border: 1px solid var(--cm-border);
  border-radius: var(--cm-radius);
  box-shadow: var(--cm-shadow-s);
  padding: 22px 20px 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.cm-problem h3 { font-size: 15.5px; font-weight: 900; color: var(--cm-deep); margin-bottom: 6px; }
.cm-problem p { font-size: 12.5px; color: var(--cm-sub); flex: 1; }
.cm-problem img { width: 82%; max-width: 220px; margin: 12px auto 0; }

/* ---------- 解決バンド ---------- */
.cm-solution {
  background: var(--cm-grad);
  color: #fff;
  text-align: center;
  padding: 26px 20px;
  font-size: clamp(17px, 2.6vw, 24px);
  font-weight: 900;
  letter-spacing: .05em;
}
.cm-solution .em { color: #FDE68A; }
.cm-solution .spark { font-weight: 400; opacity: .85; margin: 0 10px; }

/* ---------- 利用フロー(3ステップ) ---------- */
.cm-steps {
  display: grid;
  grid-template-columns: 1fr 44px 1fr 44px 1fr;
  gap: 0;
  align-items: stretch;
}
.cm-step {
  background: #fff;
  border: 1px solid var(--cm-border);
  border-radius: var(--cm-radius);
  box-shadow: var(--cm-shadow-s);
  padding: 24px 22px 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.cm-step .head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.cm-step .num {
  width: 30px; height: 30px;
  flex: none;
  background: var(--cm-primary);
  color: #fff;
  border-radius: 50%;
  font-size: 15px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cm-step h3 { font-size: 17px; font-weight: 900; color: var(--cm-deep); }
.cm-step p { font-size: 13px; color: var(--cm-sub); }
.cm-step img { width: 74%; max-width: 210px; margin: 14px auto 0; }
.cm-step-arrow {
  align-self: center;
  text-align: center;
  color: var(--cm-primary);
  font-size: 26px;
  font-weight: 900;
}

/* ---------- 機能グリッド ---------- */
.cm-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.cm-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--cm-border);
  border-radius: var(--cm-radius);
  box-shadow: var(--cm-shadow-s);
  padding: 20px 22px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.cm-feature:hover { transform: translateY(-3px); box-shadow: var(--cm-shadow); }
.cm-feature .f-icon { width: 44px; height: 44px; flex: none; color: var(--cm-primary); }
.cm-feature h3 { font-size: 15.5px; font-weight: 900; color: var(--cm-deep); }
.cm-feature p { font-size: 12.5px; color: var(--cm-sub); margin-top: 2px; }

/* ---------- ダッシュボード訴求 ---------- */
.cm-dash {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
}
.cm-dash .visual img { width: 100%; filter: drop-shadow(0 16px 32px rgba(30, 27, 75, .16)); }
.cm-dash h2 {
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 900;
  line-height: 1.5;
  color: var(--cm-deep);
  margin-bottom: 24px;
}
.cm-checks { display: grid; gap: 18px; }
.cm-checks li { display: flex; gap: 12px; align-items: flex-start; }
.cm-checks .ck {
  width: 26px; height: 26px;
  flex: none;
  margin-top: 2px;
  background: var(--cm-primary);
  border-radius: 50%;
  position: relative;
}
.cm-checks .ck::after {
  content: "";
  position: absolute;
  left: 8px; top: 6px;
  width: 7px; height: 11px;
  border: solid #fff;
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(42deg);
}
.cm-checks b { display: block; font-size: 16px; font-weight: 900; color: var(--cm-deep); }
.cm-checks span { font-size: 13px; color: var(--cm-sub); }

/* ---------- 招待URL ---------- */
.cm-invite-bg { background: var(--cm-bg-lav); }
.cm-invite {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.cm-invite h2 {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  letter-spacing: .06em;
  color: var(--cm-deep);
  margin-bottom: 24px;
}
.cm-invite .visual { text-align: center; }
.cm-invite .visual img {
  max-width: 300px;
  width: 62%;
  transform: rotate(4deg);
  filter: drop-shadow(0 18px 32px rgba(30, 27, 75, .22));
}

/* ---------- 業種 ---------- */
.cm-industries {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.cm-industry {
  background: #fff;
  border: 1px solid var(--cm-border);
  border-radius: var(--cm-radius);
  box-shadow: var(--cm-shadow-s);
  padding: 22px 18px 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.cm-industry h3 { font-size: 16px; font-weight: 900; color: var(--cm-deep); margin-bottom: 4px; }
.cm-industry p { font-size: 12.5px; color: var(--cm-sub); flex: 1; }
.cm-industry img { width: 78%; max-width: 190px; margin: 12px auto 0; }

/* ---------- 安心の仕組み ---------- */
.cm-trust {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.cm-trust-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--cm-border);
  border-radius: var(--cm-radius);
  box-shadow: var(--cm-shadow-s);
  padding: 18px;
}
.cm-trust-card .f-icon { width: 38px; height: 38px; flex: none; color: var(--cm-primary); }
.cm-trust-card h3 { font-size: 14px; font-weight: 900; color: var(--cm-deep); }
.cm-trust-card p { font-size: 11.5px; color: var(--cm-sub); margin-top: 2px; }

/* ---------- 導入までの流れ ---------- */
.cm-adopt {
  display: grid;
  grid-template-columns: 1fr 44px 1fr 44px 1fr;
  align-items: stretch;
}
.cm-adopt .cm-step {
  display: grid;
  grid-template-columns: 1fr 108px;
  gap: 0 12px;
  padding: 20px 20px 0;
}
.cm-adopt .cm-step .head { grid-column: 1; }
.cm-adopt .cm-step p { grid-column: 1; padding-bottom: 16px; }
.cm-adopt .cm-step picture { grid-column: 2; grid-row: 1 / 3; align-self: end; }
.cm-adopt .cm-step img { width: 100%; max-width: none; margin: 0; display: block; }

/* ---------- FAQ ---------- */
.cm-faq { max-width: 860px; margin: 0 auto; display: grid; gap: 12px; }
.cm-faq details {
  background: #fff;
  border: 1px solid var(--cm-border);
  border-radius: var(--cm-radius-s);
  box-shadow: var(--cm-shadow-s);
  overflow: hidden;
}
.cm-faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--cm-deep);
}
.cm-faq summary::-webkit-details-marker { display: none; }
.cm-faq summary::after {
  content: "+";
  margin-left: auto;
  color: var(--cm-primary);
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
  transition: transform .25s;
}
.cm-faq details[open] summary::after { transform: rotate(45deg); }
.cm-faq .a { padding: 0 20px 18px; font-size: 13.5px; color: var(--cm-sub); }

/* ---------- 最終CTA ---------- */
.cm-cta {
  background: var(--cm-grad) ;
  background-image: url("../assets/commerce/backgrounds/cta-gradient.svg");
  background-size: cover;
  background-position: center;
  border-radius: var(--cm-radius);
  color: #fff;
  padding: 44px 48px;
  display: grid;
  grid-template-columns: 1.5fr auto auto;
  gap: 12px 28px;
  align-items: center;
  overflow: hidden;
  position: relative;
}
.cm-cta .txt h2 { font-size: clamp(19px, 2.6vw, 27px); font-weight: 900; line-height: 1.5; }
.cm-cta .txt p { font-size: 13px; opacity: .85; margin-top: 8px; }
.cm-cta .btns { display: grid; gap: 12px; }
.cm-cta .btns .cm-btn { min-width: 210px; }
.cm-cta .figure { width: 220px; align-self: end; margin-bottom: -44px; }

/* ---------- フッター ---------- */
.cm-footer {
  background: var(--cm-navy);
  color: #fff;
  padding: 56px 0 0;
  margin-top: 72px;
}
.cm-footer .grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 36px;
  padding-bottom: 44px;
}
.cm-footer .brand .logo {
  display: inline-block;
  background: #fff;
  border-radius: 8px;
  padding: 8px 14px;
  margin-bottom: 14px;
}
.cm-footer .brand img { height: 26px; width: auto; display: block; }
.cm-footer .brand p { font-size: 12.5px; color: rgba(255, 255, 255, .7); }
.cm-footer h3 {
  font-size: 13px;
  font-weight: 700;
  color: rgba(255, 255, 255, .55);
  margin-bottom: 12px;
}
.cm-footer li { margin-bottom: 9px; }
.cm-footer li a { font-size: 13px; color: rgba(255, 255, 255, .8); transition: color .2s; }
.cm-footer li a:hover { color: #fff; }
.cm-footer .company { font-size: 14px; font-weight: 700; }
.cm-footer .copy { font-size: 12px; color: rgba(255, 255, 255, .55); margin-top: 10px; }
.cm-footer .bottom {
  border-top: 1px solid rgba(255, 255, 255, .14);
  padding: 18px 0;
  text-align: center;
  font-size: 11.5px;
  color: rgba(255, 255, 255, .55);
}

/* ---------- モバイル固定CTAバー ---------- */
.cm-mobile-bar {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(6px);
  border-top: 1px solid var(--cm-border);
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  gap: 10px;
}
.cm-mobile-bar .cm-btn { flex: 1; padding: 12px 10px; font-size: 14px; }

/* ---------- スクロールリベール ---------- */
.cm-reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.22, .61, .36, 1), transform .7s cubic-bezier(.22, .61, .36, 1);
}
.cm-reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .cm-reveal { opacity: 1; transform: none; transition: none; }
}

/* ==========================================================
   レスポンシブ
   ========================================================== */
@media (max-width: 960px) {
  .cm-nav { display: none; }
  .cm-nav-toggle { display: block; }
  .cm-header-cta .cm-btn-outline { display: none; }
  .cm-nav.is-open {
    display: flex;
    position: fixed;
    inset: var(--cm-header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--cm-border);
    box-shadow: var(--cm-shadow);
    padding: 8px 24px 16px;
    z-index: 105;
  }
  .cm-nav.is-open a { padding: 14px 4px; border-bottom: 1px solid var(--cm-border); font-size: 15px; }
  .cm-nav.is-open a:last-child { border-bottom: none; }

  .cm-hero .inner { grid-template-columns: 1fr; gap: 32px; padding: 40px 24px 48px; }
  .cm-quick ul, .cm-features { grid-template-columns: 1fr 1fr; }
  .cm-problems, .cm-industries, .cm-trust { grid-template-columns: 1fr 1fr; }
  .cm-dash, .cm-invite { grid-template-columns: 1fr; gap: 32px; }
  .cm-invite .visual img { width: 52%; }
  .cm-cta { grid-template-columns: 1fr; text-align: center; padding: 36px 28px; }
  .cm-cta .btns { justify-items: center; }
  .cm-cta .figure { display: none; }
  .cm-footer .grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 14px; }
  .cm-section { padding: 52px 0; }
  .cm-header .logo img { height: 24px; }
  .cm-header-cta .cm-btn { padding: 9px 14px; font-size: 12.5px; }

  .cm-quick { padding-top: 24px; }
  .cm-quick ul { grid-template-columns: 1fr; gap: 12px; }
  .cm-quick li { padding: 16px 18px; }

  .cm-problems { grid-template-columns: 1fr; gap: 14px; }
  .cm-problem { display: grid; grid-template-columns: 1fr 130px; gap: 0 10px; padding: 18px 18px 0; }
  .cm-problem h3 { grid-column: 1; }
  .cm-problem p { grid-column: 1; }
  .cm-problem img { grid-column: 2; grid-row: 1 / 3; align-self: end; width: 100%; margin: 0; }

  .cm-steps, .cm-adopt { grid-template-columns: 1fr; gap: 8px; }
  .cm-step-arrow { transform: rotate(90deg); padding: 2px 0; }

  .cm-features { grid-template-columns: 1fr 1fr; gap: 10px; }
  .cm-feature { flex-direction: column; gap: 8px; padding: 16px 14px; }
  .cm-feature .f-icon { width: 38px; height: 38px; }
  .cm-feature h3 { font-size: 14px; }
  .cm-feature p { font-size: 11.5px; }

  .cm-industries { grid-template-columns: 1fr 1fr; gap: 12px; }
  .cm-trust { grid-template-columns: 1fr 1fr; gap: 10px; }
  .cm-trust-card { flex-direction: column; gap: 8px; padding: 14px; }

  .cm-invite .visual img { width: 60%; }

  .cm-mobile-bar { display: flex; }
  .cm-footer { padding-bottom: 64px; }
}