:root {
  --pink: #ec4f8c;
  --pink-deep: #c93a73;
  --pink-soft: #ffe3ef;
  --lav: #efe6ff;
  --ink: #3a2a45;
  --muted: #7d6f88;
  --card: #ffffff;
  --line: #f1dce8;
  --bg: #fff8fb;
  --round: 'Zen Maru Gothic', 'Hiragino Maru Gothic ProN', 'Hiragino Sans', sans-serif;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.8 -apple-system, 'Hiragino Sans', 'Yu Gothic UI', 'Noto Sans JP', sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
h1,
h2,
h3,
.logo,
.btn,
.tag,
.plan-price,
.foot-logo {
  font-family: var(--round);
}
h2 {
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.4;
  margin: 0 0 12px;
}
.center {
  text-align: center;
}
.sub {
  color: var(--muted);
  margin: 0 0 32px;
}
section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 72px 20px;
}
.sp {
  display: none;
}

/* ---- ボタン ---- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff6fa6, var(--pink));
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(236, 79, 140, 0.3);
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(236, 79, 140, 0.38);
}
.btn.small {
  padding: 8px 18px;
  font-size: 14px;
  box-shadow: none;
}
.btn.ghost {
  background: #fff;
  color: var(--pink-deep);
  box-shadow: inset 0 0 0 2px var(--pink-soft);
}
.link {
  color: var(--pink-deep);
  font-weight: 700;
  text-decoration: none;
}
.link:hover {
  text-decoration: underline;
}

/* ---- ヘッダー ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background: rgba(255, 248, 251, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--pink);
  font-size: 22px;
  font-weight: 900;
  text-decoration: none;
}
.logo img {
  border-radius: 50%;
}

/* ---- ファーストビュー ---- */
main {
  background:
    radial-gradient(circle at 85% 8%, rgba(255, 199, 222, 0.7), transparent 34%),
    radial-gradient(circle at 10% 30%, rgba(230, 214, 255, 0.7), transparent 36%),
    var(--bg);
  background-size: 100% 1400px;
  background-repeat: no-repeat;
}
.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 40px;
  align-items: center;
  padding-top: 56px;
}
.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: #fff;
  color: var(--pink-deep);
  font-size: 14px;
  font-weight: 700;
  box-shadow: inset 0 0 0 2px var(--pink-soft);
}
.nw {
  white-space: nowrap;
}
h1 {
  font-size: clamp(30px, 4.4vw, 54px);
  line-height: 1.3;
  margin: 18px 0 16px;
  font-weight: 900;
  letter-spacing: 0.01em;
}
h1 em {
  font-style: normal;
  color: var(--pink);
  background: linear-gradient(transparent 62%, var(--pink-soft) 62%);
}
.lead {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 28px;
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.note {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--muted);
}
.hero-visual {
  position: relative;
}
.desk {
  position: relative;
  border-radius: 28px;
  padding: 24px 24px 0;
  background: linear-gradient(160deg, #fbe2f0, #e9e2ff 60%, #dfeeff);
  box-shadow: 0 30px 60px rgba(150, 90, 140, 0.18);
  overflow: hidden;
}
.desk::before {
  /* デスクトップっぽい窓の点 */
  content: '';
  position: absolute;
  top: 14px;
  left: 18px;
  width: 52px;
  height: 12px;
  background:
    radial-gradient(circle at 6px 6px, #ff8a8a 5px, transparent 6px),
    radial-gradient(circle at 26px 6px, #ffd36b 5px, transparent 6px),
    radial-gradient(circle at 46px 6px, #6fd38a 5px, transparent 6px);
}
.desk .app {
  width: 78%;
  margin: 8px 0 0 auto;
}
.chip {
  position: absolute;
  padding: 10px 16px;
  border-radius: 16px;
  background: #fff;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 10px 24px rgba(120, 70, 120, 0.18);
  animation: float 4s ease-in-out infinite;
}
.chip b {
  color: var(--pink-deep);
}
.chip-remind {
  left: 14px;
  top: 44%;
  border: 2px solid #f3a6c8;
}
.chip-done {
  left: 14px;
  top: 26%;
  color: var(--pink-deep);
  animation-delay: -2s;
}
@keyframes float {
  50% {
    transform: translateY(-8px);
  }
}

/* ---- 動画 ---- */
.movie {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: center;
}
.movie p {
  color: var(--muted);
}
.phone {
  justify-self: center;
  width: 300px;
  aspect-ratio: 9 / 16;
  border-radius: 30px;
  padding: 10px;
  background: #2b2233;
  box-shadow: 0 24px 48px rgba(60, 30, 70, 0.28);
}
.phone iframe {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 22px;
}

/* ---- できること ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  padding: 24px;
  border-radius: 22px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 8px 22px rgba(200, 120, 160, 0.08);
}
.card .icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--pink-soft);
  font-size: 24px;
}
.card h3 {
  font-size: 20px;
  margin: 14px 0 6px;
}
.card p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

/* ---- 1日の流れ ---- */
.timeline {
  list-style: none;
  max-width: 640px;
  margin: 32px auto 0;
  padding: 0;
}
.timeline li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  align-items: start;
  margin-bottom: 16px;
}
.timeline time {
  padding-top: 12px;
  font-family: var(--round);
  font-weight: 700;
  color: var(--pink-deep);
}
.talk {
  position: relative;
  padding: 12px 18px;
  border-radius: 4px 20px 20px 20px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 6px 16px rgba(200, 120, 160, 0.08);
}
.who {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--pink);
}
.timeline li.me .talk {
  justify-self: end;
  border-radius: 20px 4px 20px 20px;
  background: var(--lav);
  border-color: #e3d6fb;
}
.timeline li.me .who {
  color: #8a6bc4;
}

/* ---- 安心ポイント ---- */
.safe {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px;
  align-items: center;
}
.safe-visual {
  border-radius: 28px;
  background: linear-gradient(160deg, var(--pink-soft), var(--lav));
  overflow: hidden;
}
.safe-visual img {
  margin-top: 24px;
}
.checks {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}
.checks li {
  position: relative;
  padding: 0 0 16px 34px;
  color: var(--muted);
}
.checks li b {
  display: block;
  color: var(--ink);
}
.checks li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 2px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--pink);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

/* ---- 料金 ---- */
.plan {
  max-width: 460px;
  margin: 28px auto 0;
  padding: 32px;
  border-radius: 26px;
  background: #fff;
  border: 2px solid #f6b9d3;
  box-shadow: 0 16px 40px rgba(236, 79, 140, 0.12);
  text-align: center;
}
.plan-name {
  font-weight: 700;
  color: var(--pink-deep);
}
.plan-price {
  font-size: 54px;
  font-weight: 900;
  line-height: 1.2;
  margin: 6px 0 16px;
}
.plan-price .yen {
  font-size: 28px;
}
.plan-price .per {
  font-size: 18px;
  color: var(--muted);
}
.plan ul {
  text-align: left;
  margin: 0;
  padding: 0;
  list-style: none;
}
.plan li {
  padding: 8px 0 8px 26px;
  border-top: 1px dashed var(--line);
  position: relative;
  font-size: 15px;
}
.plan li::before {
  content: '♡';
  position: absolute;
  left: 2px;
  color: var(--pink);
}
.plan-note {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--muted);
}

/* ---- よくある質問 ---- */
.faq {
  max-width: 760px;
}
.faq details {
  margin-bottom: 12px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 48px 16px 20px;
  font-weight: 700;
  position: relative;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: '+';
  position: absolute;
  right: 20px;
  top: 12px;
  font-size: 22px;
  color: var(--pink);
}
.faq details[open] summary::after {
  content: '−';
}
.faq details p {
  margin: 0;
  padding: 0 20px 18px;
  color: var(--muted);
}

/* ---- 事前登録 ---- */
.join {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  align-items: end;
  gap: 0;
  padding-bottom: 96px;
}
.join-yua {
  position: relative;
  z-index: 1;
  margin-bottom: -2px;
}
.join-box {
  padding: 40px;
  border-radius: 28px;
  background: linear-gradient(140deg, #ff7aae, #c86bf0);
  color: #fff;
  box-shadow: 0 24px 50px rgba(200, 80, 160, 0.3);
}
.join-box h2 {
  margin-bottom: 4px;
}
.join-box > p {
  margin: 0 0 20px;
}
#join-form {
  display: flex;
  gap: 10px;
}
#join-form input[type='email'] {
  flex: 1;
  min-width: 0;
  padding: 14px 18px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  color: var(--ink);
}
#join-form .btn {
  background: var(--ink);
  box-shadow: none;
}
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.join-msg {
  min-height: 1.8em;
  margin: 10px 0 0;
  font-weight: 700;
}
.fine {
  margin: 4px 0 0;
  font-size: 12px;
  opacity: 0.85;
}
.fine a {
  color: #fff;
}

/* ---- フッター ---- */
.foot {
  padding: 36px 20px 48px;
  text-align: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.foot-logo {
  color: var(--pink);
  font-size: 22px;
  font-weight: 900;
}
.foot nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
  margin: 8px 0;
}
.foot a {
  color: var(--muted);
}

/* ---- スマホ ---- */
@media (max-width: 860px) {
  section {
    padding: 52px 16px;
  }
  .sp {
    display: inline;
  }
  .hero,
  .movie,
  .safe {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-top: 32px;
  }
  .desk .app {
    width: 86%;
  }
  .chip {
    font-size: 12px;
    padding: 8px 12px;
  }
  .chip-done {
    display: none;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .phone {
    width: min(300px, 100%);
  }
  .safe-visual {
    max-width: 360px;
    justify-self: center;
  }
  .join {
    grid-template-columns: 1fr;
  }
  .join-yua {
    width: 62%;
    justify-self: center;
  }
  .join-box {
    padding: 28px 20px;
  }
  #join-form {
    flex-direction: column;
  }
}

/* ---- 規約のページ ---- */
main.legal {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 20px 72px;
  background: none;
}
.legal h1 {
  font-size: clamp(26px, 4vw, 34px);
  margin: 0 0 24px;
}
.legal h2 {
  font-size: 21px;
  margin: 36px 0 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--pink-soft);
}
.legal h3 {
  font-size: 17px;
  margin: 24px 0 8px;
}
.legal p,
.legal li {
  font-size: 15px;
}
.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
  font-size: 14px;
  background: #fff;
}
.legal th,
.legal td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.legal th {
  background: var(--pink-soft);
}
.legal td:first-child {
  white-space: nowrap;
  font-weight: 700;
}
.legal a {
  color: var(--pink-deep);
  overflow-wrap: anywhere;
}
@media (max-width: 640px) {
  .legal table,
  .legal tbody,
  .legal tr,
  .legal td {
    display: block;
    width: 100%;
  }
  .legal thead {
    display: none;
  }
  .legal td:first-child {
    background: var(--pink-soft);
    border-bottom: 0;
  }
}