/* Watchlist LP — 配色はアプリアイコン（黒地・白のしおり・星）とアプリのシードカラー #6C63FF から取っている */

:root {
  --violet: #6c63ff;
  --violet-deep: #4b43d6;
  --violet-soft: #eeedff;
  --violet-line: #dddaf7;

  --ink: #12101c;
  --ink-2: #1c1930;
  --ink-3: #2a2542;

  --paper: #ffffff;
  --paper-warm: #f7f6fb;

  --text: #16141f;
  --muted: #5c5870;
  --faint: #8e8aa3;
  --rule: #e6e4f0;

  --star: #ffd66b;

  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 2px 6px rgba(18, 16, 28, .04), 0 18px 48px rgba(18, 16, 28, .09);
  --shadow-sm: 0 1px 3px rgba(18, 16, 28, .05), 0 6px 20px rgba(18, 16, 28, .06);

  --sans: "Noto Sans JP", "Hiragino Sans", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--text);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--violet-deep); }

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 14px;
}

/* ============ ナビ ============ */
nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--text);
}
.logo img { width: 34px; height: 34px; border-radius: 9px; }
.logo-name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color .2s;
}
.nav-links a:hover { color: var(--violet-deep); }
.nav-cta {
  background: var(--violet);
  color: #fff;
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--violet-deep); }
@media (max-width: 720px) { .nav-links { display: none; } }

/* ============ ヒーロー ============ */
.hero {
  position: relative;
  background: radial-gradient(120% 90% at 78% 8%, #2b2450 0%, var(--ink-2) 42%, var(--ink) 100%);
  color: #fff;
  overflow: hidden;
  padding: 96px 0 108px;
}
.hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 90px;
  background: linear-gradient(to bottom, transparent, var(--paper));
  pointer-events: none;
}

/* 星の粒 */
.star-particle {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}
@keyframes twinkleA {
  0%, 100% { opacity: .15; transform: translate(0, 0) scale(1); }
  25%      { opacity: .5;  transform: translate(7px, -16px) scale(1.1); }
  50%      { opacity: .78; transform: translate(-5px, -26px) scale(1.22); }
  75%      { opacity: .4;  transform: translate(-9px, -9px) scale(1.05); }
}
@keyframes twinkleB {
  0%, 100% { opacity: .08; transform: translate(0, 0) scale(.92); }
  30%      { opacity: .38; transform: translate(-12px, 12px) scale(1.05); }
  60%      { opacity: .62; transform: translate(9px, 22px) scale(1.18); }
  85%      { opacity: .28; transform: translate(4px, 6px) scale(1); }
}
@keyframes twinkleC {
  0%, 100% { opacity: .2;  transform: translate(0, 0) rotate(0deg) scale(1); }
  35%      { opacity: .5;  transform: translate(12px, -12px) rotate(10deg) scale(1.12); }
  65%      { opacity: .68; transform: translate(-8px, 8px) rotate(-10deg) scale(1.2); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(30px, 4.6vw, 50px);
  line-height: 1.34;
  font-weight: 900;
  letter-spacing: -.02em;
  margin-bottom: 22px;
}
.hero h1 .accent {
  background: linear-gradient(120deg, #a9a3ff, var(--star));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lead {
  font-size: 17px;
  color: #c9c5dd;
  margin-bottom: 30px;
}
.hero-badges { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.appstore-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, .09);
  border: 1px solid rgba(255, 255, 255, .18);
  color: #fff;
  text-decoration: none;
  padding: 10px 22px;
  border-radius: 14px;
  transition: background .2s, border-color .2s;
}
.appstore-btn:hover { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .3); }
.appstore-btn-icon { width: 26px; height: 26px; flex-shrink: 0; }
.appstore-btn-text { display: flex; flex-direction: column; }
.appstore-btn-text .small { font-size: 10px; opacity: .8; line-height: 1; margin-bottom: 3px; }
.appstore-btn-text .big { font-size: 17px; font-weight: 700; line-height: 1; }
.hero-note { font-size: 13px; color: #9d98b8; }

.hero-image { position: relative; display: flex; justify-content: center; }
.phone {
  width: 100%;
  max-width: 290px;
  border-radius: 38px;
  border: 9px solid #0a0912;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .5);
  background: #0a0912;
}
.phone-tilt { transform: rotate(-3deg); }

@media (max-width: 900px) {
  .hero { padding: 72px 0 84px; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-badges { align-items: center; }
  .hero-text { text-align: center; }
}

/* ============ セクション共通 ============ */
section { position: relative; }
.section {
  padding: 96px 0;
}
.section--warm { background: var(--paper-warm); }
.section-head { max-width: 640px; margin-bottom: 52px; }
.section-head.is-center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 {
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.5;
  font-weight: 800;
  letter-spacing: -.02em;
}
.section-head p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 16px;
}

.fade-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-up.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
  .star-particle { animation: none !important; }
}

/* ============ 価値提案 3点 ============ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.value-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
}
.value-icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  background: var(--violet-soft);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.value-icon svg {
  width: 23px; height: 23px;
  stroke: var(--violet-deep);
  fill: none;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.value-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -.01em;
}
.value-card p { color: var(--muted); font-size: 15px; }
@media (max-width: 860px) { .values-grid { grid-template-columns: 1fr; } }

/* ============ 機能 ============ */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 54px 0;
}
.feature-row + .feature-row { border-top: 1px solid var(--rule); }
.feature-row.is-reverse .feature-media { order: -1; }
.feature-text h3 {
  font-size: clamp(21px, 2.6vw, 27px);
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: -.02em;
  margin-bottom: 14px;
}
.feature-text p { color: var(--muted); }
.feature-list {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.feature-list li {
  list-style: none;
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  color: var(--muted);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 4px; top: .72em;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--violet);
  transform: rotate(45deg);
}
.feature-media { display: flex; justify-content: center; }
.feature-media .phone { max-width: 260px; border-width: 8px; box-shadow: 0 20px 50px rgba(18, 16, 28, .16); }
@media (max-width: 860px) {
  .feature-row { grid-template-columns: 1fr; gap: 34px; padding: 42px 0; }
  .feature-row.is-reverse .feature-media { order: 0; }
}

/* ============ プライバシー ============ */
.privacy-band {
  background: var(--ink);
  color: #fff;
  border-radius: 26px;
  padding: 58px 48px;
  position: relative;
  overflow: hidden;
}
.privacy-band h2 {
  font-size: clamp(23px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -.02em;
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}
.privacy-band > p {
  color: #c2bed6;
  max-width: 620px;
  position: relative;
  z-index: 2;
}
.privacy-points {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 36px;
  position: relative;
  z-index: 2;
}
.privacy-point {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-sm);
  padding: 20px 18px;
}
.privacy-point strong {
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
}
.privacy-point span { font-size: 13.5px; color: #a9a4c2; line-height: 1.75; }
.privacy-link {
  display: inline-block;
  margin-top: 28px;
  color: #cfcbff;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  position: relative;
  z-index: 2;
}
.privacy-link:hover { text-decoration: underline; }
@media (max-width: 860px) {
  .privacy-band { padding: 42px 26px; }
  .privacy-points { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) { .privacy-points { grid-template-columns: 1fr; } }

/* ============ FAQ ============ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--rule);
  padding: 22px 0;
}
.faq-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  display: flex;
  gap: 12px;
  align-items: baseline;
}
.faq-item h3::before {
  content: "Q";
  color: var(--violet);
  font-weight: 900;
  font-size: 15px;
}
.faq-item p { color: var(--muted); font-size: 15px; padding-left: 24px; }

/* ============ CTA ============ */
.cta {
  text-align: center;
  padding: 100px 0;
  background:
    radial-gradient(90% 120% at 50% 0%, rgba(108, 99, 255, .13), transparent 62%),
    var(--paper-warm);
}
.cta h2 {
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.45;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}
.cta p { color: var(--muted); margin-bottom: 30px; }
.cta .appstore-btn {
  background: var(--ink);
  border-color: transparent;
}
.cta .appstore-btn:hover { background: var(--ink-2); }

/* ============ フッター ============ */
footer {
  background: var(--ink);
  color: #9b96b4;
  padding: 54px 0 40px;
  font-size: 14px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 28px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 11px; color: #fff; }
.footer-brand img { width: 30px; height: 30px; border-radius: 8px; }
.footer-brand span { font-weight: 800; font-size: 17px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: #b6b1cc; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: 13px;
  color: #7d7898;
}

/* ============ 法務ページ ============ */
.legal-hero {
  background: var(--paper-warm);
  border-bottom: 1px solid var(--rule);
  padding: 64px 0 52px;
}
.legal-hero h1 {
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 800;
  letter-spacing: -.02em;
}
.legal-hero .updated { margin-top: 12px; color: var(--faint); font-size: 14px; }
.legal-body { padding: 56px 0 88px; }
.legal-body .container { max-width: 760px; }
.legal-body h2 {
  font-size: 19px;
  font-weight: 800;
  margin: 38px 0 12px;
  letter-spacing: -.01em;
}
.legal-body h2:first-child { margin-top: 0; }
.legal-body p { color: var(--muted); margin-bottom: 12px; }
.legal-body ul { margin: 4px 0 16px 20px; color: var(--muted); }
.legal-body li { margin-bottom: 7px; }
.support-intro {
  background: var(--violet-soft);
  border: 1px solid var(--violet-line);
  border-radius: var(--radius);
  padding: 30px 28px;
  margin-bottom: 40px;
}
.support-intro h2 { margin-top: 0; }
.support-intro p { color: #4a4560; }
.mail-button {
  display: inline-block;
  margin-top: 16px;
  background: var(--violet);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
}
.mail-button:hover { background: var(--violet-deep); }