@charset "UTF-8";

:root{
  --navy:#1E2235;
  --lav:#8E88C8;
  --lav-lite:#ECEBFA;
  --pink:#D8A7B1;
  --white:#F8F7FC;
  --text:#1E2235;
  --muted:rgba(30,34,53,.72);

  --line:#06C755;
  --line-dark:#05B94C;

  --shadow: 0 14px 34px rgba(30,34,53,.16);
  --radius: 22px;
  --max: 1040px;
}

*{ box-sizing:border-box; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 92px;
}

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

/* ===== Layout ===== */
.container{
  width:min(92vw, var(--max));
  margin-inline:auto;
}
.section{ padding: 56px 0; }
.center{ text-align:center; }
.muted{ color: var(--muted); }
.tiny{ font-size: 12px; letter-spacing:.06em; }
.sep{ opacity:.6; margin: 0 6px; }

/* ===== Typography ===== */
.section-title{
  font-family: ui-serif, "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  margin: 0;
  font-size: 26px;
  line-height: 1.35;
  letter-spacing: .02em;
}
.section-lead{
  margin: 12px 0 0;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.9;
}
.section-lead.tight{ margin-top: 10px; }
.section-note{
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}

/* ===== Hero ===== */
.hero{
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 70% 15%, rgba(216,167,177,.30), transparent 60%),
    radial-gradient(900px 500px at 20% 10%, rgba(142,136,200,.42), transparent 55%),
    linear-gradient(180deg, #23284a 0%, #3a3c6e 50%, #8d83c8 100%);
  color: #fff;
  padding: 76px 0 62px;
}

.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(1px 1px at 20px 30px, rgba(255,255,255,.7) 50%, transparent 55%),
    radial-gradient(1px 1px at 140px 90px, rgba(255,255,255,.55) 50%, transparent 55%),
    radial-gradient(1px 1px at 280px 40px, rgba(255,255,255,.6) 50%, transparent 55%),
    radial-gradient(1px 1px at 60px 160px, rgba(255,255,255,.5) 50%, transparent 55%),
    radial-gradient(1px 1px at 330px 190px, rgba(255,255,255,.55) 50%, transparent 55%),
    radial-gradient(1px 1px at 210px 210px, rgba(255,255,255,.45) 50%, transparent 55%);
  opacity:.55;
  pointer-events:none;
}

.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 36px;
  align-items: center;
}

.eyebrow{
  display:inline-flex;
  gap:10px;
  align-items:center;
  font-size: 13px;
  letter-spacing:.08em;
  opacity:.92;
  margin: 0 0 16px;
  white-space: normal;
  flex-wrap: wrap;
}

.h1{
  font-family: ui-serif, "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.18;
  font-size: clamp(34px, 5vw, 54px);
  margin: 0 0 14px;
}

.hero-sub{
  margin:0 0 18px;
  font-size: 15px;
  opacity: .92;
  line-height: 1.75;
}

.benefits{
  display:flex;
  gap: 10px 12px;
  flex-wrap: wrap;
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
  font-size: 12px;
  opacity:.94;
}

.benefits li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.14);
  padding: 9px 11px;
  border-radius: 999px;
}

/* ===== CTA ===== */
.cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  width: min(520px, 100%);
  padding: 16px 18px;
  border-radius: 26px;
  text-decoration:none;
  background: var(--line);
  color:#fff;
  font-weight:900;
  box-shadow: 0 14px 30px rgba(6,199,85,.25);
  transition: transform .12s ease, filter .12s ease, background .12s ease;
}

.cta:hover{
  transform: translateY(-1px);
  filter: none;
  background: var(--line-dark);
}

.cta-note{
  margin: 12px 0 0;
  font-size: 12px;
  opacity: .88;
  line-height: 1.7;
}

/* ===== Hero card ===== */
.hero-card{
  position: relative;
  background: rgba(248,247,252,.10);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 22px 44px rgba(0,0,0,.18);
  backdrop-filter: blur(10px);
}

.hero-card::after{
  content:"";
  position:absolute;
  inset:16px;
  border-radius: calc(var(--radius) - 6px);
  background: linear-gradient(180deg, rgba(30,34,53,.10), rgba(30,34,53,.28));
  pointer-events:none;
}

.hero-card img{
  border-radius: calc(var(--radius) - 6px);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,.16);
  filter: brightness(.85) saturate(.85) contrast(.95);
}

.hero-card .caption{
  margin: 12px 4px 0;
  font-size: 12px;
  opacity: .88;
  letter-spacing:.06em;
}

/* ===== Hero price pill ===== */
.hero .price-pill{
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.18);
  font-weight: 800;
  letter-spacing: .04em;
}

/* ===== Sympathy ===== */
.check{
  width:min(720px, 100%);
  margin: 22px auto 0;
  padding: 18px 18px;
  background: rgba(236,235,250,.82);
  border-radius: var(--radius);
  border: 1px solid rgba(30,34,53,.06);
}

.check ul{
  margin: 0;
  padding: 0;
  list-style: none;
  display:grid;
  gap: 10px;
  font-size: 15px;
}

.check li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding: 10px 10px;
  border-radius: 14px;
  background: rgba(255,255,255,.62);
}

.check .box{
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1.5px solid rgba(30,34,53,.35);
  flex: 0 0 auto;
  margin-top: 3px;
  position:relative;
}

.check .box::after{
  content:"";
  position:absolute;
  inset:3px;
  background: rgba(142,136,200,.6);
  border-radius: 4px;
  opacity:.35;
}

/* ===== Value ===== */
.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items:center;
}

.img-soft{
  border-radius: var(--radius);
  overflow:hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(30,34,53,.06);
  position: relative;
}

.img-soft img{
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.img-soft::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(30,34,53,.05), rgba(30,34,53,.20));
  pointer-events:none;
}

.pill{
  display:inline-flex;
  gap:10px;
  flex-wrap:wrap;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.pill li{
  font-size: 13px;
  background: rgba(236,235,250,.9);
  border: 1px solid rgba(30,34,53,.06);
  padding: 10px 12px;
  border-radius: 999px;
}

/* ===== Price ===== */
.price{
  background:
    radial-gradient(900px 450px at 30% 10%, rgba(216,167,177,.18), transparent 60%),
    linear-gradient(180deg, #1E2235 0%, #2a2f52 100%);
  color:#fff;
}

.price-box{
  width:min(720px, 100%);
  margin-inline:auto;
  padding: 26px 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(248,247,252,.06);
  backdrop-filter: blur(10px);
  box-shadow: 0 22px 44px rgba(0,0,0,.18);
  text-align:center;
}

.yen{
  font-family: ui-serif, "Noto Serif JP", serif;
  font-size: clamp(42px, 7vw, 56px);
  line-height: 1.0;
  margin: 10px 0 10px;
  letter-spacing: .03em;
}

.price-text{
  margin: 14px 0 0;
  opacity:.92;
  line-height: 1.85;
}

/* ===== Teacher ===== */
.teacher{
  display:grid;
  grid-template-columns: 140px 1fr;
  gap: 18px;
  width:min(780px, 100%);
  margin: 18px auto 0;
  align-items:center;
}

.avatar{
  width: 140px;
  aspect-ratio:1/1;
  border-radius: 999px;
  overflow:hidden;
  border: 1px solid rgba(30,34,53,.10);
  box-shadow: var(--shadow);
  background: #fff;
}

.teacher h3{
  margin: 0 0 6px;
  font-size: 18px;
}

.teacher p{
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

/* ===== FAQ ===== */
.faq{
  width:min(820px, 100%);
  margin: 18px auto 0;
  display:grid;
  gap: 10px;
}

details{
  background: #fff;
  border: 1px solid rgba(30,34,53,.06);
  border-radius: 18px;
  box-shadow: 0 10px 26px rgba(30,34,53,.08);
  padding: 14px 16px;
}

summary{
  cursor:pointer;
  font-weight: 700;
  list-style:none;
  font-size: 15px;
}

summary::-webkit-details-marker{ display:none; }

details p{
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

/* ===== LINE ===== */
.linebox{
  width:min(820px, 100%);
  margin: 18px auto 0;
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(236,235,250,.82);
  border: 1px solid rgba(30,34,53,.06);
  display:grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items:center;
}

.schedule-list{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap: 10px;
}

.line-actions{
  display:flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}

.line-actions a{
  display:inline-flex;
  justify-content:center;
  align-items:center;
  gap:10px;
  padding: 12px 14px;
  border-radius: 18px;
  text-decoration:none;
  font-weight: 900;
  white-space: nowrap;
}

#line .line-actions a:not(.sub){
  background: var(--line);
  color: #fff;
  box-shadow: 0 14px 30px rgba(6,199,85,.22);
}

#line .line-actions a:not(.sub):hover{
  background: var(--line-dark);
  filter:none;
}

.line-actions .sub{
  background: transparent;
  color: var(--navy);
  border: 1px solid rgba(30,34,53,.14);
  box-shadow:none;
  font-weight: 700;
}

/* ===== Sticky CTA ===== */
.sticky{
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  padding: 10px 12px;
  background: rgba(248,247,252,.92);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(30,34,53,.08);
}

.sticky-inner{
  width:min(92vw, var(--max));
  margin-inline:auto;
  display:grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items:center;
}

.sticky-meta{
  font-size: 12px;
  letter-spacing: .06em;
  opacity: .92;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sticky a{
  padding: 12px 14px;
  border-radius: 18px;
  text-decoration: none;
  background: var(--line);
  color: #fff;
  font-weight: 900;
  box-shadow: 0 14px 24px rgba(6,199,85,.20);
  white-space: nowrap;
  font-size: 13px;
}

.sticky a:hover{
  background: var(--line-dark);
  filter:none;
}

/* ===== Schedule ===== */
.schedule-item{
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(236,235,250,.82);
  border: 1px solid rgba(30,34,53,.06);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}

.schedule-item.is-past{
  opacity:.55;
}

.schedule-date{
  font-weight:900;
}

.schedule-time{
  opacity:.88;
  font-weight:700;
}

.schedule-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  color:#fff;
  background: var(--navy);
  white-space: nowrap;
  margin-left: 8px;
}

.schedule-item.is-next{
  border-color: rgba(6,199,85,.35);
  box-shadow: 0 10px 26px rgba(6,199,85,.12);
}

/* ===== Mobile ===== */
@media (max-width: 900px){
  .section{ padding: 46px 0; }
  .sticky a{ padding: 13px 16px; }
  .sep{ margin: 0 4px; opacity: .5; }

  .hero .price-pill{
    padding: 5px 9px;
    font-size: 13px;
  }

  .hero-grid{ grid-template-columns: 1fr; }
  .hero-card{ width:min(420px, 100%); margin-inline:auto; }

  .eyebrow{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    letter-spacing: .07em;
    line-height: 1.6;
    margin-bottom: 14px;
    white-space: normal;
    flex-wrap: wrap;
    text-align: center;
    justify-content: center;
  }

  .h1{
    font-size: clamp(34px, 9vw, 46px);
    line-height: 1.16;
    margin-bottom: 12px;
  }

  .hero-sub{
    font-size: 16px;
    margin-bottom: 16px;
  }

  .benefits{
    gap: 10px 10px;
    margin: 14px 0 18px;
  }

  .benefits li{
    padding: 9px 11px;
  }

  .cta{
    font-size: 15px;
    border-radius: 24px;
  }

  .section-title{ font-size: 28px; }

  .section-lead{
    font-size: 17px;
    margin-top: 14px;
  }

  .section-lead.tight{ margin-top: 12px; }

  .check ul{ font-size: 16px; }

  .split{ grid-template-columns: 1fr; }

  .teacher{
    grid-template-columns: 1fr;
    text-align: center;
  }

  .avatar{
    width: 160px;
    margin-inline: auto;
  }

  .linebox{ grid-template-columns: 1fr; }

  .line-actions{ align-items: stretch; }

  .line-actions a{ width: 100%; }
}

@media (max-width: 360px){
  .h1{ font-size: clamp(32px, 10vw, 42px); }
  .cta{ font-size: 14px; }
  .eyebrow{ font-size: 13px; }
}