/* ============================================================
   R-step Client LP — premium design system
   - Brand: #1e9dd2
   - Typography: Noto Serif JP (display) + Noto Sans JP (body)
   - 高級感ある余白・シャドウ・微細グラデ・タイポ強弱
   ============================================================ */

:root {
  --lp-brand: #1e9dd2;
  --lp-brand-deep: #1278a8;
  --lp-brand-soft: #e8f5fb;
  --lp-ink: #0b1220;
  --lp-ink-soft: #1e293b;
  --lp-mute: #64748b;
  --lp-line: #e2e8f0;
  --lp-line-soft: #eef2f7;
  --lp-paper: #fbfaf6;
  --lp-paper-cream: #f8f5ee;
}

html { scroll-behavior: smooth; }
body { color: var(--lp-ink-soft); -webkit-font-smoothing: antialiased; }

.font-serif-jp { font-family: "Noto Serif JP", serif; font-feature-settings: "palt"; }
.font-sans-jp  { font-family: "Noto Sans JP", sans-serif; font-feature-settings: "palt"; }

/* ===== Section base ===== */
.lp-section {
  padding: clamp(80px, 10vw, 144px) 0;
  scroll-margin-top: 72px;
  position: relative;
}
.lp-section--alt {
  background:
    radial-gradient(1200px 400px at 100% 0%, rgba(30,157,210,0.05), transparent 60%),
    linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}
.lp-section--alt::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(30,157,210,0.18), transparent);
}

.lp-container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 768px) {
  .lp-container { padding: 0 40px; }
}

/* ===== Eyebrow (section tag) ===== */
.lp-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.18em;
  color: var(--lp-brand-deep);
  text-transform: uppercase;
  padding: 0;
  background: transparent;
}
.lp-eyebrow::before {
  content: ""; width: 28px; height: 1px; background: var(--lp-brand);
}

/* ===== H2 (section heading) ===== */
.lp-h2 {
  font-family: "Noto Serif JP", serif;
  font-weight: 900;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--lp-ink);
  margin-top: 18px;
  text-wrap: balance;
}
.lp-lead {
  color: var(--lp-mute); font-size: 16px; line-height: 1.85;
  margin-top: 20px; max-width: 60ch;
}

/* ===== Feature chip ===== */
.lp-chip {
  display: inline-flex; align-items: center;
  font-size: 12px; font-weight: 600;
  color: var(--lp-ink-soft);
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--lp-line);
  border-radius: 999px;
  padding: 7px 14px;
  box-shadow: 0 1px 0 rgba(15,23,42,0.02), inset 0 1px 0 rgba(255,255,255,0.6);
}
.lp-chip-group { display: flex; flex-wrap: wrap; gap: 8px; }

/* ===== Benefit list ===== */
.lp-benefits { display: grid; gap: 14px; margin-top: 28px; }
.lp-benefit  {
  display: flex; gap: 14px; align-items: flex-start;
  font-size: 15px; line-height: 1.7; color: var(--lp-ink-soft);
}
.lp-benefit::before {
  content: "";
  width: 18px; height: 18px;
  flex-shrink: 0; margin-top: 3px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.6), transparent 50%),
    linear-gradient(135deg, var(--lp-brand), var(--lp-brand-deep));
  box-shadow: 0 4px 10px -4px rgba(30,157,210,0.6);
}

/* ===== Device mocks (PC + Phone) ===== */
.lp-mock-pc {
  position: relative;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  border-radius: 16px;
  padding: 14px 14px 18px;
  box-shadow:
    0 40px 80px -28px rgba(15,23,42,0.45),
    0 12px 28px -10px rgba(15,23,42,0.22),
    inset 0 1px 0 rgba(255,255,255,0.06);
}
.lp-mock-pc::before {
  content: ""; position: absolute; top: 7px; left: 50%; transform: translateX(-50%);
  width: 50px; height: 5px;
  background: rgba(255,255,255,0.10);
  border-radius: 3px;
}
.lp-mock-pc__screen {
  background: #0f172a; border-radius: 8px; overflow: hidden; aspect-ratio: 16 / 10;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
}
.lp-mock-pc__screen img, .lp-mock-pc__screen video { width: 100%; height: 100%; object-fit: cover; display: block; }

.lp-mock-phone {
  position: relative;
  background: linear-gradient(180deg, #1e293b 0%, #0b1220 100%);
  border-radius: 40px;
  padding: 14px;
  box-shadow:
    0 35px 70px -20px rgba(15,23,42,0.55),
    0 10px 24px -8px rgba(15,23,42,0.25),
    inset 0 1px 0 rgba(255,255,255,0.08);
  width: 280px; max-width: 100%;
}
.lp-mock-phone__notch {
  position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  width: 92px; height: 22px;
  background: #050a14; border-radius: 0 0 14px 14px; z-index: 2;
  box-shadow: inset 0 -1px 0 rgba(255,255,255,0.04);
}
.lp-mock-phone__screen {
  background: #fff; border-radius: 28px; overflow: hidden; aspect-ratio: 390 / 844;
}
.lp-mock-phone__screen img, .lp-mock-phone__screen video { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ===== Placeholder block (asset 撮影前用) ===== */
.lp-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background:
    linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%);
  color: #94a3b8; font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ===== Reveal-on-scroll ===== */
.lp-reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.8s cubic-bezier(.2,.7,.2,1), transform 0.8s cubic-bezier(.2,.7,.2,1); }
.lp-reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .lp-reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  video[autoplay] { display: none; }
}

/* ===== Hero gradient ===== */
.lp-hero-bg {
  position: relative;
  background:
    radial-gradient(1400px 700px at 80% -10%, rgba(30,157,210,0.22), transparent 55%),
    radial-gradient(900px 500px at 0% 110%, rgba(30,157,210,0.10), transparent 60%),
    radial-gradient(600px 300px at 50% 50%, rgba(255,255,255,0.5), transparent 70%),
    #fbfaf6;
  overflow: hidden;
}
.lp-hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.035 0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply; pointer-events: none;
}

/* ===== Header ===== */
.lp-header {
  position: sticky; top: 0; z-index: 50;
  background: transparent;
  transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.lp-header.is-scrolled {
  background: rgba(255,255,255,0.88);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  box-shadow: 0 8px 24px -16px rgba(15,23,42,0.18);
  border-bottom-color: rgba(15,23,42,0.06);
}
.lp-header-inner {
  max-width: 1180px; margin: 0 auto;
  height: 72px; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.lp-header-logo { display: inline-flex; align-items: center; }
.lp-header-nav { display: none; gap: 32px; }
@media (min-width: 900px) { .lp-header-nav { display: flex; } }
.lp-header-link {
  font-size: 13px; font-weight: 600; color: var(--lp-ink-soft);
  position: relative; padding: 8px 0;
  letter-spacing: 0.04em;
}
.lp-header-link::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; background: var(--lp-brand);
  transition: right 0.35s cubic-bezier(.2,.8,.2,1);
}
.lp-header-link:hover::after, .lp-header-link.is-current::after { right: 0; }
.lp-header-right { display: flex; align-items: center; gap: 18px; }
.lp-header-legal { display: none; gap: 14px; }
@media (min-width: 1080px) { .lp-header-legal { display: flex; } }
.lp-header-legal-link {
  font-size: 11px; color: #94a3b8;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}
.lp-header-legal-link:hover { color: var(--lp-ink-soft); }
.lp-header-login {
  display: inline-flex; align-items: center;
  font-size: 13px; font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--lp-brand), var(--lp-brand-deep));
  padding: 9px 18px; border-radius: 999px;
  box-shadow: 0 6px 14px -6px rgba(30,157,210,0.55);
  transition: transform 0.2s, box-shadow 0.2s;
}
.lp-header-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px -8px rgba(30,157,210,0.65);
}

/* ===== Hero ===== */
.lp-hero { padding: clamp(72px, 9vw, 128px) 0 clamp(96px, 12vw, 160px); position: relative; z-index: 1; }
.lp-hero__grid {
  display: grid; gap: 56px;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 980px) {
  .lp-hero__grid { grid-template-columns: 1.1fr 1fr; gap: 72px; }
}
.lp-hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.18em;
  color: var(--lp-brand-deep);
  text-transform: uppercase;
}
.lp-hero__eyebrow::before {
  content: ""; width: 28px; height: 1px; background: var(--lp-brand);
}
.lp-hero__title {
  margin-top: 22px;
  font-weight: 900; letter-spacing: -0.025em;
  font-size: clamp(38px, 6.8vw, 68px);
  line-height: 1.05; color: var(--lp-ink);
  text-wrap: balance;
}
.lp-hero__title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--lp-brand), var(--lp-brand-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lp-hero__br { display: none; }
@media (min-width: 600px) { .lp-hero__br { display: inline; } }
.lp-hero__sub {
  margin-top: 28px; font-size: 17px; line-height: 1.9;
  color: var(--lp-mute); max-width: 48ch;
}
.lp-hero__cta {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 40px;
  font-weight: 700; font-size: 14px;
  color: #fff;
  background: linear-gradient(135deg, var(--lp-brand), var(--lp-brand-deep));
  padding: 14px 26px; border-radius: 999px;
  box-shadow: 0 14px 30px -12px rgba(30,157,210,0.55), inset 0 1px 0 rgba(255,255,255,0.18);
  transition: transform 0.25s, box-shadow 0.25s;
}
.lp-hero__cta:hover { transform: translateY(-1px); box-shadow: 0 18px 36px -14px rgba(30,157,210,0.65); }

.lp-hero__visual { position: relative; min-height: 360px; }
.lp-hero__pc { transform: rotate(-2deg) translateY(-8px); }
.lp-hero__phone {
  position: absolute; right: -16px; bottom: -36px;
  transform: rotate(4deg); width: 210px;
}
@media (min-width: 980px) {
  .lp-hero__phone { width: 248px; right: -24px; bottom: -48px; }
}

/* ===== Flow (Section 02) — 番号バッジ・絵文字なし ===== */
.lp-flow {
  list-style: none; padding: 0; margin: 72px 0 0;
  display: grid; gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 720px) { .lp-flow { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1080px) { .lp-flow { grid-template-columns: repeat(6, 1fr); gap: 12px; } }
.lp-flow__step {
  position: relative;
  background: #fff;
  border: 1px solid var(--lp-line);
  border-radius: 16px;
  padding: 26px 14px 22px; text-align: center;
  box-shadow: 0 1px 0 rgba(15,23,42,0.02), 0 8px 24px -16px rgba(15,23,42,0.10);
  transition: transform 0.3s, box-shadow 0.3s;
}
.lp-flow__step:hover {
  transform: translateY(-2px);
  box-shadow: 0 1px 0 rgba(15,23,42,0.02), 0 16px 30px -18px rgba(30,157,210,0.30);
}
@media (min-width: 1080px) {
  .lp-flow__step::after {
    content: ""; position: absolute; right: -10px; top: 50%; transform: translateY(-50%);
    width: 14px; height: 2px; background: linear-gradient(90deg, var(--lp-brand-soft), transparent);
  }
  .lp-flow__step:last-child::after { display: none; }
}
.lp-flow__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  font-family: "Noto Serif JP", serif;
  font-size: 14px; font-weight: 800;
  color: var(--lp-brand-deep);
  background: var(--lp-brand-soft);
  border-radius: 50%;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.lp-flow__label {
  font-size: 13px; font-weight: 700; color: var(--lp-ink);
  letter-spacing: 0.02em;
}

/* ===== Compare (Section 02) ===== */
.lp-compare {
  margin: 64px 0 0;
  display: grid; gap: 24px;
  grid-template-columns: 1fr; align-items: center;
}
@media (min-width: 820px) { .lp-compare { grid-template-columns: 1fr auto 1fr; } }
.lp-compare__col {
  background: #fff;
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: 0 1px 0 rgba(15,23,42,0.03), 0 24px 48px -28px rgba(15,23,42,0.14);
}
.lp-compare__col--before {
  background: linear-gradient(180deg, #f1f5f9 0%, #e8eef5 100%);
}
.lp-compare__col--after  {
  background:
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.18), transparent 50%),
    linear-gradient(135deg, var(--lp-brand) 0%, var(--lp-brand-deep) 100%);
  color: #fff;
  box-shadow: 0 1px 0 rgba(15,23,42,0.03), 0 30px 60px -28px rgba(30,157,210,0.55);
}
.lp-compare__col--after .lp-compare__label { color: rgba(255,255,255,0.78); }
.lp-compare__label { font-size: 10px; font-weight: 700; letter-spacing: 0.22em; color: #94a3b8; text-transform: uppercase; }
.lp-compare__title { margin-top: 8px; font-family: "Noto Serif JP", serif; font-size: 20px; font-weight: 800; letter-spacing: -0.01em; }
.lp-compare__items { margin-top: 18px; list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.lp-compare__items li {
  font-size: 12px; padding: 5px 12px; border-radius: 999px;
  background: #fff; color: var(--lp-ink-soft); border: 1px solid var(--lp-line);
}
.lp-compare__arrow {
  font-size: 24px; color: var(--lp-brand); text-align: center;
  font-weight: 300;
}
@media (max-width: 819px) {
  .lp-compare__arrow { transform: rotate(90deg); }
}

/* ===== Digest dual mock (Section 02) ===== */
.lp-digest {
  margin: 88px 0 0;
  display: grid; gap: 40px;
  grid-template-columns: 1fr; align-items: center; justify-items: center;
}
@media (min-width: 980px) {
  .lp-digest { grid-template-columns: 1.4fr 1fr; gap: 56px; }
  .lp-digest__phone { width: 268px; }
}

/* ===== Feature section (text + visual 2-col) ===== */
.lp-feature__grid {
  display: grid; gap: 56px; align-items: center;
  grid-template-columns: 1fr;
}
@media (min-width: 980px) {
  .lp-feature__grid { grid-template-columns: 1fr 1.05fr; gap: 80px; }
  .lp-feature--reverse .lp-feature__grid > :first-child { order: 2; }
}
.lp-feature__pain {
  margin-top: 22px;
  font-size: 14px; line-height: 1.85;
  color: var(--lp-mute);
  background: #f8fafc;
  border-left: 2px solid var(--lp-brand);
  padding: 16px 20px;
  border-radius: 0 10px 10px 0;
}
.lp-feature__solution {
  margin-top: 24px;
  font-size: 16px; line-height: 1.9;
  color: var(--lp-ink-soft);
}
.lp-feature__solution strong {
  font-weight: 800;
  background: linear-gradient(transparent 65%, rgba(30,157,210,0.18) 65%);
}
.lp-feature__chips { margin-top: 28px; }
.lp-feature__shots {
  display: grid; gap: 18px; grid-template-columns: 1fr;
}
.lp-feature__shot {
  background: #fff;
  border: 1px solid var(--lp-line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(15,23,42,0.02),
    0 24px 50px -30px rgba(15,23,42,0.25);
  aspect-ratio: 16 / 10;
  transition: transform 0.3s, box-shadow 0.3s;
}
.lp-feature__shot:hover {
  transform: translateY(-2px);
  box-shadow:
    0 1px 0 rgba(15,23,42,0.02),
    0 32px 60px -28px rgba(15,23,42,0.30);
}
.lp-feature__shot img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ===== Category grid (LINE管理機能 等) ===== */
.lp-cat-grid {
  display: grid; gap: 18px; margin-top: 40px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .lp-cat-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1080px) { .lp-cat-grid { grid-template-columns: 1fr 1fr 1fr; } }
.lp-cat-card {
  background: #fff;
  border: 1px solid var(--lp-line);
  border-radius: 16px;
  padding: 22px 22px 20px;
  box-shadow: 0 1px 0 rgba(15,23,42,0.02), 0 14px 32px -22px rgba(15,23,42,0.16);
  transition: transform 0.3s, box-shadow 0.3s;
}
.lp-cat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 1px 0 rgba(15,23,42,0.02), 0 20px 40px -22px rgba(30,157,210,0.22);
}
.lp-cat-card__title {
  font-size: 11px; font-weight: 800; letter-spacing: 0.18em;
  color: var(--lp-brand-deep); text-transform: uppercase;
  margin-bottom: 14px;
  display: inline-flex; align-items: center; gap: 8px;
}
.lp-cat-card__title::before {
  content: ""; width: 20px; height: 1px; background: var(--lp-brand);
}
.lp-cat-card__items { display: flex; flex-wrap: wrap; gap: 6px; }

/* ===== Final feature grid (網羅一覧) ===== */
.lp-final-grid {
  display: grid; gap: 18px; margin-top: 40px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .lp-final-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1080px) { .lp-final-grid { grid-template-columns: repeat(3, 1fr); } }
.lp-final-card {
  background: linear-gradient(180deg, #ffffff 0%, #fcfdfe 100%);
  border: 1px solid var(--lp-line);
  border-radius: 16px;
  padding: 22px 22px 20px;
  box-shadow: 0 1px 0 rgba(15,23,42,0.02), 0 10px 28px -22px rgba(15,23,42,0.18);
}
.lp-final-card__title {
  font-family: "Noto Serif JP", serif;
  font-size: 15px; font-weight: 800; color: var(--lp-ink);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.lp-final-card__items { display: flex; flex-wrap: wrap; gap: 6px; }

/* ===== Section divider line ===== */
.lp-section + .lp-section:not(.lp-section--alt)::before {
  content: ""; position: absolute; left: 50%; top: 0;
  transform: translateX(-50%);
  width: 80px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--lp-line), transparent);
}

/* ===== Annotated screenshot (寄り + 赤枠 + 吹き出し) =====
   Usage:
   <div class="lp-shot-annotated" data-controller="lp-lightbox" data-lp-lightbox-src-value="..." data-lp-lightbox-caption-value="...">
     <img src="..." alt="...">
     <div class="lp-anno-box" style="top:30%;left:60%;width:30%;height:25%">
       <div class="lp-anno-bubble lp-anno-bubble--br">画面右下に常駐</div>
     </div>
   </div>
============================================================ */
.lp-shot-annotated {
  position: relative;
  background: #fff;
  border: 1px solid var(--lp-line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(15,23,42,0.02),
    0 24px 50px -28px rgba(15,23,42,0.28);
  cursor: zoom-in;
  transition: transform 0.3s, box-shadow 0.3s;
}
.lp-shot-annotated:hover {
  transform: translateY(-2px);
  box-shadow:
    0 1px 0 rgba(15,23,42,0.02),
    0 32px 60px -28px rgba(15,23,42,0.32);
}
.lp-shot-annotated img {
  display: block; width: 100%; height: auto;
}
.lp-shot-annotated__caption {
  padding: 12px 16px 14px;
  font-size: 12px; line-height: 1.5;
  color: var(--lp-mute);
  background: linear-gradient(180deg, #fbfdff 0%, #f4f7fb 100%);
  border-top: 1px solid var(--lp-line-soft);
}
.lp-shot-annotated__caption strong { color: var(--lp-ink-soft); font-weight: 700; }

.lp-anno-box {
  position: absolute;
  border: 2px solid #ef4444;
  border-radius: 6px;
  box-shadow: 0 0 0 4px rgba(239,68,68,0.12), 0 6px 14px -6px rgba(239,68,68,0.35);
  pointer-events: none;
  animation: lp-anno-pulse 2.4s ease-in-out infinite;
}
.lp-anno-box--brand {
  border-color: var(--lp-brand);
  box-shadow: 0 0 0 4px rgba(30,157,210,0.14), 0 6px 14px -6px rgba(30,157,210,0.35);
}
@keyframes lp-anno-pulse {
  0%,100% { box-shadow: 0 0 0 4px rgba(239,68,68,0.12), 0 6px 14px -6px rgba(239,68,68,0.35); }
  50%     { box-shadow: 0 0 0 7px rgba(239,68,68,0.06), 0 6px 14px -6px rgba(239,68,68,0.35); }
}
.lp-anno-box--brand {
  animation: lp-anno-pulse-brand 2.4s ease-in-out infinite;
}
@keyframes lp-anno-pulse-brand {
  0%,100% { box-shadow: 0 0 0 4px rgba(30,157,210,0.14), 0 6px 14px -6px rgba(30,157,210,0.35); }
  50%     { box-shadow: 0 0 0 8px rgba(30,157,210,0.06), 0 6px 14px -6px rgba(30,157,210,0.35); }
}

.lp-anno-bubble {
  position: absolute;
  background: #0f172a;
  color: #fff;
  font-size: 12px; font-weight: 700; letter-spacing: 0.02em;
  padding: 8px 14px; border-radius: 10px;
  white-space: nowrap;
  box-shadow: 0 10px 24px -10px rgba(15,23,42,0.55);
}
/* 位置バリエーション (.lp-anno-bubble--<position>) */
.lp-anno-bubble--tr { top: -14px;    right: -10px;  transform: translate(0,-100%); }
.lp-anno-bubble--tl { top: -14px;    left: -10px;   transform: translate(0,-100%); }
.lp-anno-bubble--br { bottom: -14px; right: -10px;  transform: translate(0,100%); }
.lp-anno-bubble--bl { bottom: -14px; left: -10px;   transform: translate(0,100%); }
.lp-anno-bubble--rc { top: 50%;      right: -14px;  transform: translate(100%,-50%); }
.lp-anno-bubble--lc { top: 50%;      left: -14px;   transform: translate(-100%,-50%); }
/* 矢印 */
.lp-anno-bubble::after {
  content: ""; position: absolute;
  width: 8px; height: 8px;
  background: #0f172a;
  transform: rotate(45deg);
}
.lp-anno-bubble--tr::after, .lp-anno-bubble--tl::after { bottom: -3px; left: 18px; }
.lp-anno-bubble--br::after, .lp-anno-bubble--bl::after { top: -3px;    left: 18px; }
.lp-anno-bubble--rc::after { left: -3px;  top: 50%; transform: translateY(-50%) rotate(45deg); }
.lp-anno-bubble--lc::after { right: -3px; top: 50%; transform: translateY(-50%) rotate(45deg); }

/* ===== Shot pair (フル画面 + 寄り) ===== */
.lp-shot-pair {
  display: grid; gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .lp-shot-pair--two { grid-template-columns: 1.4fr 1fr; align-items: start; }
}

/* ===== Lightbox ===== */
.lp-lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(15,23,42,0.85);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 5vh 5vw;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.lp-lightbox.is-open { opacity: 1; pointer-events: auto; }
.lp-lightbox__inner {
  max-width: 1200px;
  max-height: 90vh;
  width: 100%;
  display: flex; flex-direction: column; gap: 14px;
}
.lp-lightbox__img-wrap {
  background: #fff;
  border-radius: 14px;
  overflow: auto;
  max-height: 80vh;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.55);
}
.lp-lightbox__img-wrap img {
  display: block; width: 100%; height: auto;
}
.lp-lightbox__caption {
  color: #fff; font-size: 14px; line-height: 1.7;
  text-align: center;
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
}
.lp-lightbox__close {
  position: absolute; top: 24px; right: 24px;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-size: 22px; font-weight: 400;
  border: 1px solid rgba(255,255,255,0.18);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.lp-lightbox__close:hover {
  background: rgba(255,255,255,0.2);
  transform: rotate(90deg);
}

/* ===== Closing block (Section 11 末尾) ===== */
.lp-closing {
  margin-top: 112px;
  padding-top: 48px;
  border-top: 1px solid var(--lp-line);
  text-align: center;
}
.lp-closing__name {
  font-family: "Noto Serif JP", serif;
  font-size: 18px; font-weight: 800; color: var(--lp-ink);
  letter-spacing: -0.01em;
}
.lp-closing__sub {
  margin-top: 8px;
  font-size: 12px; color: var(--lp-mute);
  letter-spacing: 0.04em;
}