:root {
  --bg: #fff6f8;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --text: #2a2030;
  --muted: #715d69;
  --primary: #e75c8c;
  --primary-dark: #cf3d73;
  --secondary: #ffb9c9;
  --line: rgba(117, 76, 91, 0.12);
  --shadow: 0 14px 35px rgba(182, 72, 118, 0.14);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: min(1120px, calc(100% - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 196, 215, 0.58), transparent 30%),
    radial-gradient(circle at bottom right, rgba(255, 226, 181, 0.5), transparent 28%),
    linear-gradient(180deg, #fff6f8 0%, #fff0f4 45%, #fff8f3 100%);
  line-height: 1.7;
  overflow-x: hidden;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.section {
  padding: 96px 0;
  position: relative;
  z-index: 1;
}

section[id] {
  scroll-margin-top: 96px;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,0.42) 18%, rgba(255,255,255,0.42) 82%, rgba(255,255,255,0));
}

.section-head {
  max-width: 760px;
  margin-bottom: 40px;
}

.section-head h2 {
  margin: 10px 0 14px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.caption-note {
  margin-top: 10px !important;
  font-size: 0.83rem;
  color: rgba(113, 93, 105, 0.85) !important;
}

.eyebrow {
  margin: 0;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 16px 0;
  backdrop-filter: blur(18px);
  background: rgba(255, 248, 250, 0.72);
  border-bottom: 1px solid rgba(117, 76, 91, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.1rem;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  box-shadow: 0 8px 18px rgba(83, 77, 111, 0.18);
}

.global-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.global-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.96rem;
  transition: color 0.22s ease;
}

.global-nav a:hover,
.global-nav a:focus-visible {
  color: var(--primary-dark);
}

.menu-toggle {
  display: none;
  border: none;
  background: var(--surface-strong);
  border-radius: 14px;
  padding: 12px 10px;
  box-shadow: var(--shadow);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
  border-radius: 999px;
}

.hero {
  padding-top: 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 52px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 1.04;
  margin: 12px 0 20px;
}

.hero-lead {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 62ch;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
  align-items: center;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  padding: 9px 14px 9px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(231, 92, 140, 0.28);
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 0.01em;
  box-shadow: 0 8px 18px rgba(207, 61, 115, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.hero-badges span::before {
  content: "#";
  font-weight: 800;
  color: var(--primary);
  opacity: 0.9;
}

.hero-badges span:hover,
.hero-badges span:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(207, 61, 115, 0.42);
  box-shadow: 0 12px 24px rgba(207, 61, 115, 0.18);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-actions .button {
  border-radius: 14px;
  padding: 13px 18px;
  border: 1px solid transparent;
}

.hero-actions .download-button {
  padding-inline: 22px;
  box-shadow: 0 18px 34px rgba(207, 61, 115, 0.32);
}

.hero-actions .button::after {
  content: "→";
  margin-left: 0.55em;
  font-weight: 900;
  transition: transform 0.2s ease;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.hero-actions .button:hover::after,
.hero-actions .button:focus-visible::after {
  transform: translateX(2px);
}

.button.primary {
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 16px 26px rgba(207, 61, 115, 0.25);
  border-color: rgba(180, 34, 83, 0.35);
}

.button.secondary {
  color: var(--primary-dark);
  background: rgba(255,255,255,0.84);
  border: 1px solid rgba(231, 92, 140, 0.18);
  box-shadow: 0 10px 20px rgba(207, 61, 115, 0.1);
}

.hero-visual {
  position: relative;
}

.phone-stack {
  position: relative;
  min-height: 600px;
}

.phone-card {
  position: absolute;
  width: min(340px, 76vw);
  padding: 14px;
  border-radius: 44px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 28px 70px rgba(180, 66, 104, 0.16);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.75);
}

.phone-card img {
  border-radius: 32px;
  width: 100%;
}

.card-back {
  left: 0;
  top: 78px;
  transform: rotate(-8deg);
}

.card-front {
  right: 0;
  top: 0;
  transform: rotate(9deg);
}

.steps-grid,
.feature-grid,
.strengths-grid,
.video-grid,
.link-cards {
  display: grid;
  gap: 22px;
}

.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-card,
.feature-card,
.strength-card,
.video-card,
.link-card {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.step-card {
  padding: 28px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffd2dc, #fff1f5);
  color: var(--primary-dark);
  font-weight: 900;
  margin-bottom: 14px;
}

.step-card h3,
.feature-card h3,
.strength-card h3,
.video-card h3,
.link-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  line-height: 1.3;
}

.step-card p,
.feature-card p,
.strength-card p,
.video-card p,
.link-card p {
  margin: 0;
  color: var(--muted);
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
  padding: 28px;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  margin-bottom: 16px;
}

.strengths-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.strength-card {
  padding: 30px;
}

.pricing-table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.pricing-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
}

.pricing-table th,
.pricing-table td {
  padding: 17px 18px;
  text-align: center;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.pricing-table th:first-child,
.pricing-table td:first-child {
  text-align: left;
}

.pricing-table thead th {
  color: var(--primary-dark);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  background: rgba(255, 245, 248, 0.86);
}

.pricing-table thead span {
  display: block;
  margin-top: 4px;
  color: var(--text);
  font-size: 0.95rem;
  letter-spacing: 0;
}

.pricing-table tbody th {
  font-size: 1.05rem;
  color: var(--text);
  white-space: nowrap;
}

.pricing-table tbody tr:last-child th,
.pricing-table tbody tr:last-child td {
  border-bottom: none;
}

.pricing-table td {
  color: var(--muted);
}

.pricing-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.38);
}

.pricing-table tbody tr:last-child {
  background: rgba(255, 225, 235, 0.28);
}

.is-available {
  color: var(--primary-dark) !important;
  font-size: 1.25rem;
  font-weight: 900;
}

.is-unavailable {
  color: rgba(113, 93, 105, 0.5) !important;
  font-size: 1.15rem;
  font-weight: 800;
}

.pricing-note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.pricing-note a {
  color: var(--primary-dark);
  font-weight: 800;
}

.screenshot-groups {
  display: grid;
  gap: 22px;
}

.screenshot-category {
  display: grid;
  grid-template-columns: minmax(220px, 0.32fr) minmax(0, 1fr);
  gap: 22px;
  align-items: stretch;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.46);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.screenshot-category-head {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10px 4px 10px 8px;
}

.category-kicker {
  margin: 0 0 8px;
  color: var(--primary-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.screenshot-category h3 {
  margin: 0 0 10px;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  line-height: 1.25;
}

.screenshot-category p {
  margin: 0;
  color: var(--muted);
}

.gallery-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(170px, 210px);
  gap: 14px;
  overflow-x: auto;
  padding: 4px 4px 12px;
  scroll-snap-type: x mandatory;
  scrollbar-color: rgba(207, 61, 115, 0.35) transparent;
}

.gallery-card {
  border: none;
  padding: 0;
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  background: var(--surface-strong);
  border-radius: 22px;
  box-shadow: 0 12px 28px rgba(182, 72, 118, 0.12);
  scroll-snap-align: start;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.gallery-card:hover,
.gallery-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 22px 46px rgba(182, 72, 118, 0.18);
}

.gallery-card img {
  width: 100%;
  aspect-ratio: 0.46;
  object-fit: cover;
}

.gallery-card span {
  display: block;
  padding: 13px 14px 16px;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text);
}

.video-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.video-card {
  padding: 18px;
}

.video-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border-radius: 22px;
  overflow: hidden;
  margin-bottom: 18px;
}

.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.partner-list {
  display: grid;
  gap: 14px;
}

.partner-card {
  display: block;
  padding: 24px;
  border: 1px solid rgba(231, 92, 140, 0.18);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 247, 250, 0.76)),
    radial-gradient(circle at top right, rgba(255, 185, 201, 0.3), transparent 42%);
  color: inherit;
  box-shadow: 0 14px 32px rgba(182, 72, 118, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.partner-card-top {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.partner-avatar {
  width: 88px;
  height: 88px;
  flex-shrink: 0;
  border-radius: 22px;
  object-fit: cover;
  border: 1px solid rgba(231, 92, 140, 0.22);
  box-shadow: 0 10px 22px rgba(182, 72, 118, 0.14);
}

.partner-card-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
}

.partner-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.partner-card:hover {
  transform: translateY(-4px);
  border-color: rgba(207, 61, 115, 0.34);
  box-shadow: 0 20px 42px rgba(182, 72, 118, 0.16);
}

.partner-card h3 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.25;
}

.partner-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

/* DLsite っぽいブルー系 */
.partner-link--dlsite {
  background: rgba(0, 114, 206, 0.12);
  color: #005a9c;
  border-color: rgba(0, 114, 206, 0.28);
}

.partner-link--dlsite:hover,
.partner-link--dlsite:focus-visible {
  background: rgba(0, 114, 206, 0.22);
  color: #00457a;
  border-color: rgba(0, 114, 206, 0.45);
  box-shadow: 0 6px 16px rgba(0, 90, 156, 0.12);
}

/* X（旧Twitter）っぽいダーク */
.partner-link--x {
  background: #0f1419;
  color: #e7e9ea;
  border-color: rgba(231, 237, 238, 0.14);
}

.partner-link--x:hover,
.partner-link--x:focus-visible {
  background: #272c30;
  color: #f7f9f9;
  border-color: rgba(231, 237, 238, 0.22);
  box-shadow: 0 6px 16px rgba(15, 20, 25, 0.28);
}

.link-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.link-card {
  padding: 26px 28px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.link-card:hover,
.link-card:focus-visible {
  transform: translateY(-4px);
}

.download-link-card {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 22px 48px rgba(207, 61, 115, 0.24);
}

.download-link-card p,
.download-link-card .link-label,
.download-link-card .link-arrow {
  color: rgba(255, 255, 255, 0.92) !important;
}

.link-label {
  display: inline-block;
  margin-bottom: 8px !important;
  color: var(--primary-dark) !important;
  font-weight: 800;
}

.link-arrow {
  font-size: 1.8rem;
  color: var(--primary-dark);
  align-self: center;
}

.site-footer {
  padding: 30px 0 50px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 30px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.68);
  box-shadow: var(--shadow);
}

.footer-inner p {
  margin: 6px 0 0;
  color: var(--muted);
}

.footer-note {
  align-self: flex-end;
  text-align: right;
}

.lightbox {
  width: min(96vw, 1200px);
  border: none;
  border-radius: 28px;
  padding: 18px;
  background: rgba(253, 249, 250, 0.98);
  box-shadow: 0 30px 80px rgba(40, 19, 35, 0.25);
}

.lightbox::backdrop {
  background: rgba(36, 18, 28, 0.58);
  backdrop-filter: blur(4px);
}

.lightbox figure {
  margin: 0;
}

.lightbox img {
  width: auto;
  max-width: 100%;
  max-height: 80vh;
  margin: 0 auto;
  border-radius: 20px;
}

.lightbox figcaption {
  text-align: center;
  margin-top: 14px;
  font-weight: 800;
}

.lightbox-close {
  border: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: rgba(255,255,255,0.9);
  position: absolute;
  top: 14px;
  right: 14px;
  cursor: pointer;
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(28px);
  z-index: 0;
  opacity: 0.48;
  pointer-events: none;
}

.orb-1 {
  width: 320px;
  height: 320px;
  top: 50px;
  left: -90px;
  background: rgba(255, 187, 207, 0.55);
}

.orb-2 {
  width: 420px;
  height: 420px;
  right: -120px;
  top: 400px;
  background: rgba(255, 221, 174, 0.4);
}

.orb-3 {
  width: 360px;
  height: 360px;
  left: 30%;
  bottom: 80px;
  background: rgba(255, 206, 221, 0.36);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal.delay-1 {
  transition-delay: 0.1s;
}

.reveal.delay-2 {
  transition-delay: 0.18s;
}

@media (max-width: 980px) {
  .hero-grid,
  .steps-grid,
  .feature-grid,
  .strengths-grid,
  .video-grid,
  .link-cards {
    grid-template-columns: 1fr;
  }

  .screenshot-category {
    grid-template-columns: 1fr;
  }

  .screenshot-category-head {
    padding: 4px;
  }

  .phone-stack {
    min-height: 560px;
  }

  .card-back {
    left: 8%;
  }

  .card-front {
    right: 8%;
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-note {
    text-align: left;
    align-self: auto;
  }
}

@media (max-width: 760px) {
  .section {
    padding: 72px 0;
  }

  .site-header {
    padding: 12px 0;
  }

  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .global-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 16px;
    left: 16px;
    background: rgba(255,255,255,0.95);
    border: 1px solid rgba(255,255,255,0.92);
    border-radius: 22px;
    box-shadow: var(--shadow);
    padding: 14px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .global-nav.is-open {
    display: flex;
  }

  .hero-copy h1 {
    font-size: clamp(2.4rem, 13vw, 3.6rem);
  }

  .phone-stack {
    min-height: 500px;
  }

  .phone-card {
    width: min(280px, 78vw);
    padding: 10px;
    border-radius: 30px;
  }

  .phone-card img {
    border-radius: 22px;
  }

  .card-back {
    left: 0;
    top: 48px;
  }

  .card-front {
    right: 0;
  }

  .step-card,
  .feature-card,
  .strength-card,
  .video-card,
  .link-card,
  .screenshot-category {
    border-radius: 24px;
  }

  .gallery-rail {
    grid-auto-columns: minmax(156px, 68vw);
    margin-inline: -2px;
  }
}