/* ============================================
   WayLog - 共通スタイル
   Brand: #a78bfa (lavender), BG: #0f0f1a
   ============================================ */

/* ---------- リセット・基本 ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-brand:    #a78bfa;
  --color-brand-dim: #7c5cc4;
  --color-bg:       #0f0f1a;
  --color-bg-card:  rgba(255,255,255,0.05);
  --color-border:   rgba(167,139,250,0.2);
  --color-text:     #e8e8f0;
  --color-text-sub: #9090b0;
  --radius:         16px;
  --max-w:          720px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-brand);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

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

/* ---------- レイアウト ---------- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 64px 0;
}

/* ---------- ナビゲーション ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,15,26,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-brand);
  letter-spacing: 0.05em;
}

/* ---------- ヒーロー ---------- */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-brand);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 4px 16px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.hero h1 .accent {
  color: var(--color-brand);
}

.hero-sub {
  font-size: 1rem;
  color: var(--color-text-sub);
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.btn-appstore {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-brand);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 100px;
  transition: background 0.2s, transform 0.15s;
  box-shadow: 0 4px 24px rgba(167,139,250,0.35);
}
.btn-appstore:hover {
  background: var(--color-brand-dim);
  transform: translateY(-2px);
  text-decoration: none;
}
.btn-appstore svg {
  width: 20px;
  height: 20px;
  fill: #fff;
}

.btn-appstore.large {
  font-size: 1.05rem;
  padding: 16px 36px;
}

/* Coming Soon バッジ */
.btn-coming-soon {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.5);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 100px;
  border: 1.5px solid rgba(255,255,255,0.15);
  cursor: default;
  pointer-events: none;
  backdrop-filter: blur(8px);
}
.btn-coming-soon svg {
  width: 20px;
  height: 20px;
  fill: rgba(255,255,255,0.4);
}
.btn-coming-soon.large {
  font-size: 1.05rem;
  padding: 16px 36px;
}

/* ナビの近日公開バッジ */
.badge-coming-soon-nav {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-brand);
  background: rgba(167,139,250,0.12);
  border: 1px solid rgba(167,139,250,0.3);
  padding: 5px 14px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

.hero-note {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--color-text-sub);
}

.hero-mockup {
  margin-top: 48px;
  display: flex;
  justify-content: center;
}

.hero-mockup img {
  max-height: 480px;
  border-radius: 24px;
  box-shadow: 0 24px 64px rgba(167,139,250,0.2), 0 0 0 1px var(--color-border);
}

/* ---------- 特徴 ---------- */
.features {
  background: rgba(167,139,250,0.03);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-sub {
  text-align: center;
  color: var(--color-text-sub);
  margin-bottom: 40px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--color-brand);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-brand);
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--color-text-sub);
  line-height: 1.6;
}

/* ---------- スクリーンショット ---------- */
.screenshots-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 8px 4px 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--color-brand) transparent;
  -webkit-overflow-scrolling: touch;
}

.screenshots-scroll img {
  height: 360px;
  width: auto;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  flex-shrink: 0;
  cursor: zoom-in;
  transition: transform 0.2s, box-shadow 0.2s;
}
.screenshots-scroll img:hover {
  transform: scale(1.03);
  box-shadow: 0 12px 40px rgba(0,0,0,0.55);
}

/* ---------- ライトボックス ---------- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
}
.lightbox.active { display: flex; }

.lightbox-track {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.lightbox-track img {
  max-height: 88vh;
  max-width: 80vw;
  width: auto;
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7);
  user-select: none;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.lightbox-track img.lb-slide-left {
  animation: lb-slide-from-right 0.22s ease;
}
.lightbox-track img.lb-slide-right {
  animation: lb-slide-from-left 0.22s ease;
}
@keyframes lb-slide-from-right {
  from { opacity: 0; transform: translateX(60px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes lb-slide-from-left {
  from { opacity: 0; transform: translateX(-60px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* 閉じるボタン */
.lightbox-close {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.15);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  transition: background 0.2s;
  z-index: 10;
}
.lightbox-close:hover { background: rgba(255,255,255,0.28); }

/* 前後ボタン */
.lightbox-prev,
.lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.15);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  transition: background 0.2s;
  z-index: 10;
}
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }
.lightbox-prev:hover,
.lightbox-next:hover { background: rgba(255,255,255,0.28); }
.lightbox-prev:disabled,
.lightbox-next:disabled { opacity: 0.2; pointer-events: none; }

/* インジケーター */
.lightbox-dots {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 7px;
  z-index: 10;
}
.lightbox-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  transition: background 0.2s, transform 0.2s;
}
.lightbox-dots span.active {
  background: #fff;
  transform: scale(1.3);
}

.screenshots-scroll::-webkit-scrollbar { height: 4px; }
.screenshots-scroll::-webkit-scrollbar-thumb { background: var(--color-brand); border-radius: 2px; }

.screenshots-hint {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-sub);
  margin-top: 8px;
}

/* ---------- 使い方 ---------- */
.steps {
  background: rgba(167,139,250,0.03);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.steps-list {
  display: grid;
  gap: 24px;
  counter-reset: step;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  counter-increment: step;
}

.step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-brand);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.step-body p {
  font-size: 0.875rem;
  color: var(--color-text-sub);
}

/* ---------- CTA ---------- */
.cta {
  text-align: center;
  padding: 80px 0;
}

.cta h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta p {
  color: var(--color-text-sub);
  margin-bottom: 36px;
}

/* ---------- フッター ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
  font-size: 0.875rem;
  color: var(--color-text-sub);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--color-text-sub);
  font-size: 0.875rem;
}
.footer-links a:hover { color: var(--color-brand); }

/* ---------- 法的ページ共通 ---------- */
.legal-page .page-hero {
  padding: 60px 0 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 48px;
}

.legal-page .page-hero h1 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.legal-page .page-hero p {
  color: var(--color-text-sub);
  font-size: 0.875rem;
}

.legal-body h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-brand);
  margin: 40px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.legal-body h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 24px 0 8px;
}

.legal-body p {
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--color-text);
}

.legal-body ul, .legal-body ol {
  margin: 8px 0 16px 20px;
  font-size: 0.9rem;
  color: var(--color-text);
}

.legal-body li { margin-bottom: 6px; }

.legal-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.875rem;
}

.legal-body th, .legal-body td {
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
}

.legal-body th {
  background: rgba(167,139,250,0.1);
  font-weight: 600;
  color: var(--color-brand);
}

.legal-body td { color: var(--color-text-sub); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-sub);
  font-size: 0.875rem;
  margin-bottom: 24px;
}
.back-link:hover { color: var(--color-brand); text-decoration: none; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 480px) {
  section { padding: 48px 0; }
  .hero { padding: 60px 0 40px; }
  .hero h1 { font-size: 1.6rem; }
  .features-grid { grid-template-columns: 1fr; }
  .cta h2 { font-size: 1.4rem; }
}