/* =========================================================
   チャレンジスクール — 全寮制フリースクール LP
   Design tokens & base styles
   ========================================================= */

:root {
  /* Surfaces */
  --offwhite: #FFFFFF;
  --beige: #F7F2E3;
  --beige-soft: #FAF6EC;
  --beige-deep: #EDE6D2;

  /* Brand green (primary) */
  --green: #46A23F;
  --green-bright: #5CB752;
  --green-deep: #3C8F44;
  --green-darker: #2E7A38;
  --green-line: #BFE0B6;
  --green-mint: #E9F3E4;
  --green-mint-deep: #D5E8CC;

  /* Cream (trait cards / bands) */
  --cream: #FAF3D6;
  --cream-deep: #F3E9BF;

  /* CTA coral pink */
  --coral: #EE8B8B;
  --coral-light: #F3A3A3;
  --coral-deep: #E27575;
  --line-green: #06C755;

  /* Supporting */
  --pink: #EE8B8B;
  --pink-soft: #F3C9C9;
  --sage: #A8B89F;
  --sage-soft: #C5D0BD;

  /* Marker highlight */
  --marker: #FBEC8E;
  --marker-soft: #FCF2AC;

  /* Text */
  --ink: #3A3A36;
  --ink-soft: #565651;
  --gray: #837B72;
  --redtext: #E07A6E;
  --pink: #f76c77;
  --orange: #fd9a1f;

  /* Legacy alias (CTA) */
  --terracotta: #EE8B8B;
  --terracotta-deep: #E27575;

  /* Lines */
  --line: rgba(54, 50, 43, 0.10);
  --line-soft: rgba(54, 50, 43, 0.06);

  /* Type */
  --round: "Zen Maru Gothic", "Noto Sans JP", sans-serif;
  --serif: "Noto Serif JP", "Yu Mincho", "游明朝", serif;
  --sans: "Noto Sans JP", system-ui, sans-serif;
  --eng: "Montserrat", "Zen Maru Gothic", sans-serif;

  /* Layout */
  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 64px);

  /* Shadow */
  --shadow-sm: 0 4px 18px rgba(54, 50, 43, 0.07);
  --shadow-md: 0 16px 44px rgba(54, 50, 43, 0.11);
  --shadow-lg: 0 30px 76px rgba(54, 50, 43, 0.14);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--offwhite);
  font-size: 16px;
  line-height: 1.95;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.02em;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--round);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.03em;
  margin: 0;
  color: var(--green-deep);
}

p { margin: 0;}

/* ---------- Layout helpers ---------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding-block: clamp(72px, 6vw, 132px);
  position: relative;
}

.eyebrow {
  font-family: var(--eng);
  font-size: 15px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.eyebrow.is-center { justify-content: center; }
.eyebrow.is-sage { color: var(--green); }
.eyebrow.is-sage::before, .eyebrow.is-sage::after { background: var(--green); }
.eyebrow.is-light { color: rgba(255,255,255,0.9); }
.eyebrow.is-light::before, .eyebrow.is-light::after { background: rgba(255,255,255,0.7); }

/* ---------- Emphasis treatments ---------- */
.mark {
  background: linear-gradient(transparent 56%, var(--marker) 56%, var(--marker) 92%, transparent 92%);
  padding: 0 2px;
  font-weight: inherit;
}
.em { color: var(--green); font-weight: 700; }
.em-orange { color: var(--coral-deep); font-weight: 700; }
.big { font-size: 1.22em; }

/* ---------- Watermark section label ---------- */
.section-head {
  position: relative;
  text-align: center;
  margin-bottom: 52px;
}
.section-head.is-left { text-align: left; }
.wm {
  display: block;
  font-family: var(--eng);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.22em;
  line-height: 1;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 12px;
  user-select: none;
}
.wm.on-dark { color: rgba(255,255,255,0.8); }
.section-head h2 {
  position: relative;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.5;
  display: inline-block;
}
.section-head .lead {
  position: relative;
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 2;
}
.section-head .tag {
  display: block;
  font-weight: 700;
  font-size: 14px;
  color: var(--green);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

/* ---------- Framed card (thin light-green rounded border) ---------- */
.framed {
  position: relative;
  border: 2px solid var(--pink-soft);
  border-radius: 26px;
  background: #fff;
  padding: clamp(28px, 4vw, 56px) clamp(22px, 4vw, 56px) clamp(28px, 4vw, 48px);
}
.framed + .framed { margin-top: 64px; }

/* ---------- Number badge (green circle, white number, straddles top) ---------- */
.num-badge {
  position: absolute;
  top: -26px; left: 50%;
  transform: translateX(-50%);
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--redtext);
  color: #fff;
  font-family: var(--eng);
  font-weight: 800;
  font-size: 22px;
  display: grid; place-items: center;
  box-shadow: 0 6px 16px rgba(70, 162, 63, 0.32);
  border: 4px solid var(--offwhite);
}
.bg-mint .num-badge { border-color: var(--green-mint); }
.bg-cream .num-badge { border-color: var(--beige); }

/* ---------- Card centered title with green rule ---------- */
.card-title {
  text-align: center;
  font-size: clamp(20px, 2.6vw, 27px);
  color: var(--green-deep);
  padding-bottom: 22px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--pink-soft);
}

/* ---------- Rule-bordered centered subhead (top+bottom thin rules) ---------- */
.rule-head {
  text-align: center;
  color: var(--green-deep);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.06em;
  padding: 14px 0;
  border-top: 1px solid var(--green-line);
  border-bottom: 1px solid var(--green-line);
  margin: 0 auto 26px;
  max-width: 760px;
}

/* ---------- Small subhead: green text + short underline ---------- */
.subhead {
  display: inline-block;
  color: var(--green-deep);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.04em;
  padding-bottom: 8px;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--green-line);
}
.redtext { color: var(--redtext); }

/* ---------- Bracket lead (╲ … ╱) ---------- */
.bracket {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  letter-spacing: 0.04em;
  margin-bottom: 0;
}
.bracket::before, .bracket::after {
  content: "";
  width: 2px; height: 26px;
  background: var(--green);
  border-radius: 2px;
}
.bracket::before { transform: rotate(-22deg); }
.bracket::after { transform: rotate(22deg); }
.bracket.on-dark { color: #fff; }
.bracket.on-dark::before, .bracket.on-dark::after { background: rgba(255,255,255,0.85); }

/* ---------- Banner sub-heading ---------- */
.banner {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--cream);
  color: var(--green-deep);
  font-family: var(--round);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  padding: 9px 22px;
  border-radius: 8px;
}

/* ---------- Section bands ---------- */
.bg-green {
  background: linear-gradient(165deg, var(--green-deep), var(--green-darker));
  color: #fff;
}
.bg-green h2, .bg-green h3 { color: #fff; }
.bg-green .lead { color: rgba(255,255,255,0.9); }
.bg-mint { background: var(--green-mint); }
.bg-cream { background: #fffaec; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  padding: 17px 32px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  line-height: 1.4;
  text-align: center;
}
.btn .sub {
  font-size: 11.5px;
  font-weight: 500;
  opacity: 0.85;
  letter-spacing: 0.06em;
}
.btn-primary {
  background: linear-gradient(160deg, var(--coral-light), var(--coral-deep));
  color: #fff;
  box-shadow: 0 12px 26px rgba(226, 117, 117, 0.32);
}
.btn-primary:hover {
  filter: brightness(1.04);
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(226, 117, 117, 0.42);
}
.btn-outline {
  background: var(--green-deep);
  color: #fff;
  border-color: var(--green-mint-deep);
}
.btn-outline:hover {
  background: #fff;
  border-color: var(--green);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.55);
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.btn-icon { width: 18px; height: 18px; }

/* ---------- Pill CTA with badge + arrow (reference style) ---------- */
.cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  max-width: 420px;
  font-family: var(--round);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.04em;
  color: #fff;
  padding: 18px 26px;
  border-radius: 999px;
  cursor: pointer;
  position: relative;
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
}
.cta .badge {
  flex: none;
  background: #fff;
  color: var(--coral-deep);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 11px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.cta .badge.ic { padding: 6px; display: grid; place-items: center; }
.cta .badge.ic svg { width: 18px; height: 18px; display: block; }
.cta .label { flex: 1; text-align: center; }
.cta .arrow {
  flex: none;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: rgba(255,255,255,0.28);
  display: grid; place-items: center;
}
.cta .arrow svg { width: 16px; height: 16px; }
.cta-orange {
  background: linear-gradient(160deg, var(--coral-light), var(--pink));
  box-shadow: 0 12px 26px rgba(226, 117, 117, 0.32);
}
.cta-orange .badge { color: var(--coral-deep); }
.cta-line {
  background: var(--green-deep);
  color: #fff;
  border: 2px solid var(--green-line);
  box-shadow: 0 10px 24px rgba(70, 162, 63, 0.14);
}
.cta-line .badge { color: var(--line-green); background: var(--green-mint); }
.cta-line .arrow { background: var(--green-mint); color: var(--green); }
.cta-line .sub-line {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--gray);
  letter-spacing: 0.04em;
  margin-top: 2px;
}
.cta-line i {
  font-size: 20px;
}
.cta:hover { transform: translateY(-2px); filter: brightness(1.04); }
.cta-stack { display: grid; gap: 14px; justify-items: stretch; max-width: 420px; }

/* ---------- Image slot styling ---------- */
image-slot {
  --slot-bg: var(--beige-soft);
  background: var(--beige-soft);
  box-shadow: var(--shadow-sm);
}

/* ---------- Reveal animation (subtle) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1);
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

.border_img img {
  border-radius: 10px;
}

a:hover {
  opacity: 0.8;
  transition: 0.6s;
}

.voice-card h3 {
  text-wrap: initial;
  margin-bottom: 20px;
}

.bracket {
  display: flex;
  margin-bottom: 10px;
  margin-top: 20px;
}

.pc_only .cta-orange {
  margin-bottom: 25px;
}

.fv_facility_name {
    background: #f76c77;
    text-align: center;
    padding: 9px 5px 3px;
}

.fv_facility_name h3 {
  color: #fff;;
}

@media (max-width: 768px) {
  .eyebrow {
    font-size: 15px;
    text-align: center;
    display: block;
  }
  .sp_only .cta-orange {
    margin-bottom: 25px;
  }
  .section-head h2 {
    position: relative;
    font-size: clamp(27px, 3.4vw, 38px);
    line-height: 1.5;
    display: inline-block;
  }
  .section {
    padding-block: clamp(60px, 6vw, 132px);
  }
  .fv_facility_name {
    padding: 8px 5px 0;
  }
  .fv h1 {
    text-align: center;
  }
}