/* ============================================================
   Peripatos /elementary/ LP — scope: .elementary-lp
   Round 5 (2026-05-05) — full revision
   Aligned with /nursing/ and /courses/ visual language.
   ============================================================ */

html, body { overflow-x: hidden; }
body {
  margin: 0;
  background: #fff;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.elementary-lp {
  /* Tokens */
  --color-base: #313131;
  --color-base-soft: #4A4A4A;
  --color-base-mute: #8A8A8A;
  --color-line: #E5E5E5;
  --color-line-soft: #EFEFEF;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7FAF9;
  --color-accent: #0B8A80;
  --color-accent-hover: #14998A;
  --color-accent-soft: #E2F2EF;

  --font-sans: "Noto Sans JP", -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;

  --maxw: 1100px;
  --radius: 6px;
  --space-section: clamp(4rem, 3rem + 4vw, 7rem);

  color: var(--color-base);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  background: var(--color-bg);
}

.elementary-lp *,
.elementary-lp *::before,
.elementary-lp *::after { box-sizing: border-box; }

.elementary-lp p { margin: 0 0 1em; }
.elementary-lp p:last-child { margin-bottom: 0; }

.elementary-lp a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color .18s ease;
}
@media (hover: hover) {
  .elementary-lp a:hover { color: var(--color-accent-hover); }
}

/* Layout */
.elementary-lp .container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.elementary-lp .section {
  padding: var(--space-section) 0;
  border-top: 1px solid var(--color-line);
}
.elementary-lp .section:first-of-type { border-top: 0; }
.elementary-lp .section:nth-of-type(odd) { background: var(--color-bg); }
.elementary-lp .section:nth-of-type(even) { background: var(--color-bg-alt); }

/* Section title + accent bar */
.elementary-lp .section__eyebrow {
  display: block;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--color-base-mute);
  margin-bottom: 1rem;
}
.elementary-lp .section__title {
  font-family: var(--font-serif);
  font-weight: 700;
  text-align: center;
  font-size: clamp(1.5rem, 1.25rem + 1.2vw, 2.125rem);
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--color-base);
  margin: 0;
}
.elementary-lp .section__title::after {
  content: "";
  display: block;
  width: 56px; height: 3px;
  background: var(--color-accent);
  margin: 0.9rem auto 0;
  border-radius: 2px;
}
.elementary-lp .section__lede {
  text-align: center;
  color: var(--color-base-soft);
  margin: 1.5rem auto 0;
  max-width: 680px;
  font-size: 1rem;
  line-height: 1.95;
  text-wrap: pretty;
}
.elementary-lp .section__body {
  margin-top: clamp(2.5rem, 2rem + 1.5vw, 3.75rem);
}

/* ============================================================
   01 — Hero
   ============================================================ */
.elementary-lp .hero {
  padding: clamp(5rem, 4rem + 4vw, 8rem) 0 clamp(4rem, 3rem + 4vw, 6.5rem);
  border-top: 0;
  background:
    linear-gradient(180deg, #fff 0%, var(--color-bg-alt) 100%);
  text-align: center;
}
.elementary-lp .hero__breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--color-base-mute);
  margin-bottom: 2rem;
}
.elementary-lp .hero__breadcrumb .dash {
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--color-base-mute);
}
.elementary-lp .hero__h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.25rem, 1.75rem + 3vw, 3.75rem);
  line-height: 1.25;
  letter-spacing: 0.08em;
  color: var(--color-base);
  margin: 0 0 1.75rem;
}
.elementary-lp .hero__h1::after {
  content: "";
  display: block;
  width: 56px; height: 3px;
  background: var(--color-accent);
  margin: 1.25rem auto 0;
  border-radius: 2px;
}
.elementary-lp .hero__lede {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.05rem, 0.95rem + 0.6vw, 1.35rem);
  line-height: 1.95;
  color: var(--color-base);
  margin: 0 auto 1.25rem;
  letter-spacing: 0.04em;
  max-width: 720px;
  text-wrap: pretty;
}
.elementary-lp .hero__br-md { display: none; }
@media (min-width: 720px) {
  .elementary-lp .hero__br-md { display: inline; }
}
.elementary-lp .hero__sub {
  font-size: 0.92rem;
  color: var(--color-base-mute);
  letter-spacing: 0.12em;
  margin: 0;
}

/* ============================================================
   02 — 少人数だからできる指導 (cards)
   ============================================================ */
.elementary-lp .cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.elementary-lp .card {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 1px 2px rgba(49, 49, 49, 0.02);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.elementary-lp .card__num {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  font-weight: 700;
}
.elementary-lp .card__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--color-base);
  margin: 0;
}
.elementary-lp .card__body {
  color: var(--color-base-soft);
  font-size: 0.95rem;
  line-height: 1.95;
  margin: 0;
  text-wrap: pretty;
}
.elementary-lp .card__rule {
  height: 1px;
  background: var(--color-line);
  border: 0;
  margin: 0;
}

/* ============================================================
   03 — 学年別の指導 (grades)
   ============================================================ */
.elementary-lp .grades {
  display: grid;
  gap: 16px;
}
.elementary-lp .grade {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: start;
  padding: 32px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}
.elementary-lp .grade__label {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.06em;
  color: var(--color-base);
  line-height: 1.5;
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem;
  margin: 0;
}
.elementary-lp .grade__label small {
  display: block;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--color-base-mute);
  margin-top: 0.4rem;
}
.elementary-lp .grade__body {
  color: var(--color-base-soft);
  font-size: 1rem;
  line-height: 1.95;
  margin: 0;
  text-wrap: pretty;
}
.elementary-lp .grade__body strong {
  color: var(--color-base);
  font-weight: 700;
}
.elementary-lp .grades__note {
  margin-top: 2rem;
  text-align: center;
  color: var(--color-base-mute);
  font-size: 0.88rem;
  line-height: 1.85;
}

/* ============================================================
   04 — 月謝目安 (tuition)
   ============================================================ */
.elementary-lp .tuition {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.elementary-lp .tuition__col {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-align: center;
}
.elementary-lp .tuition__label {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin: 0;
  font-weight: 700;
}
.elementary-lp .tuition__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  color: var(--color-base);
  margin: 0;
  line-height: 1.5;
}
.elementary-lp .tuition__rule {
  height: 1px;
  background: var(--color-line);
  border: 0;
  margin: 0 auto;
  width: 32px;
}
.elementary-lp .tuition__price {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 1.25rem + 1vw, 1.85rem);
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--color-base);
  margin: 0;
  font-weight: 700;
}
.elementary-lp .tuition__price .currency {
  font-family: var(--font-sans);
  font-size: 0.85em;
  color: var(--color-base-mute);
  margin-right: 0.1em;
}
.elementary-lp .tuition__price .range {
  color: var(--color-base-mute);
  margin: 0 0.25em;
  font-size: 0.85em;
}
.elementary-lp .tuition__meta {
  color: var(--color-base-soft);
  font-size: 0.9rem;
  margin: 0;
}
.elementary-lp .tuition__note {
  margin-top: 2rem;
  text-align: center;
  color: var(--color-base-mute);
  font-size: 0.88rem;
  line-height: 1.85;
}

/* ============================================================
   05 — FAQ Accordion (details/summary based)
   ============================================================ */
.elementary-lp .faq-acc {
  max-width: 820px;
  margin: 0 auto;
  border-top: 1px solid var(--color-line);
}
.elementary-lp .faq-acc__item {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-bg);
}
.elementary-lp .faq-acc__item[open] {
  background: var(--color-bg-alt);
}
.elementary-lp .faq-acc__q {
  display: grid;
  grid-template-columns: 32px 1fr 24px;
  gap: 16px;
  align-items: center;
  padding: 22px 28px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--color-base);
  letter-spacing: 0.02em;
  transition: background 0.15s ease;
  user-select: none;
}
.elementary-lp .faq-acc__q::-webkit-details-marker { display: none; }
.elementary-lp .faq-acc__q::marker { display: none; }
@media (hover: hover) {
  .elementary-lp .faq-acc__q:hover { background: var(--color-bg-alt); }
}
.elementary-lp .faq-acc__q:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}
.elementary-lp .faq-acc__q-mark {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.55;
}
.elementary-lp .faq-acc__q-text {
  text-wrap: pretty;
}
.elementary-lp .faq-acc__caret {
  font-size: 0.9rem;
  color: var(--color-base-mute);
  transition: transform 0.2s ease;
  text-align: center;
  line-height: 1;
}
.elementary-lp .faq-acc__item[open] .faq-acc__caret {
  transform: rotate(180deg);
}
.elementary-lp .faq-acc__a {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 16px;
  align-items: start;
  padding: 0 28px 24px;
}
.elementary-lp .faq-acc__a-mark {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-base-mute);
  line-height: 1.55;
}
.elementary-lp .faq-acc__a p {
  color: var(--color-base-soft);
  font-size: 0.95rem;
  line-height: 1.95;
  margin: 0;
  text-wrap: pretty;
}

/* ============================================================
   06 — CTA
   ============================================================ */
.elementary-lp .cta {
  text-align: center;
}
.elementary-lp .cta__lede {
  max-width: 640px;
  margin: 1.5rem auto 0;
  color: var(--color-base-soft);
  font-size: 1rem;
  line-height: 1.95;
  text-wrap: pretty;
}
.elementary-lp .cta__btnwrap {
  margin-top: 2.5rem;
}
.elementary-lp .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  min-height: 48px;
  min-width: 280px;
  padding: 0 2rem;
  background: var(--color-accent);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.12em;
  border-radius: var(--radius);
  border: 0;
  cursor: pointer;
  transition: background .18s ease, transform .18s ease;
  text-decoration: none;
}
.elementary-lp .btn-primary .arrow {
  display: inline-block;
  width: 20px; height: 1px;
  background: #fff;
  position: relative;
  margin-left: 0.4em;
}
.elementary-lp .btn-primary .arrow::after {
  content: "";
  position: absolute;
  right: 0; top: -3px;
  width: 7px; height: 7px;
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
  transform: rotate(45deg);
}
@media (hover: hover) {
  .elementary-lp .btn-primary:hover {
    background: var(--color-accent-hover);
    color: #fff;
    transform: translateY(-2px);
  }
}
.elementary-lp .btn-primary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.elementary-lp .cta__note {
  margin-top: 1.5rem;
  color: var(--color-base-mute);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}

/* ============================================================
   Endmark
   ============================================================ */
.elementary-lp .endmark {
  text-align: center;
  padding: 3rem 0 4rem;
  color: var(--color-base-mute);
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  background: var(--color-bg);
  border-top: 1px solid var(--color-line);
}
.elementary-lp .endmark .dot {
  display: inline-block;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  margin: 0 0.6em;
  vertical-align: middle;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1099px) {
  .elementary-lp .cards { grid-template-columns: repeat(2, 1fr); }
  .elementary-lp .grade {
    grid-template-columns: 200px 1fr;
  }
}

@media (max-width: 899px) {
  .elementary-lp .cards { grid-template-columns: 1fr; gap: 16px; }
  .elementary-lp .card { padding: 28px; }
  .elementary-lp .grade {
    grid-template-columns: 180px 1fr;
    gap: 24px;
    padding: 28px;
  }
}

@media (max-width: 599px) {
  .elementary-lp .container { padding: 0 20px; }
  .elementary-lp .tuition { grid-template-columns: 1fr; gap: 16px; }
  .elementary-lp .card,
  .elementary-lp .tuition__col { padding: 24px; }
  .elementary-lp .grade {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 24px;
  }
  .elementary-lp .grade__label { padding-left: 0.85rem; }
  .elementary-lp .faq-acc__q,
  .elementary-lp .faq-acc__a { padding-left: 22px; padding-right: 22px; }
  .elementary-lp .faq-acc__q {
    grid-template-columns: 28px 1fr 20px;
    gap: 12px;
    font-size: 0.96rem;
  }
  .elementary-lp .faq-acc__a {
    grid-template-columns: 28px 1fr;
    gap: 12px;
  }
  .elementary-lp .btn-primary { min-width: 100%; }
}

@media (max-width: 419px) {
  .elementary-lp { font-size: 15px; }
  .elementary-lp .container { padding: 0 16px; }
  .elementary-lp .card,
  .elementary-lp .tuition__col,
  .elementary-lp .grade { padding: 20px; }
  .elementary-lp .hero__h1 { letter-spacing: 0.06em; }
  .elementary-lp .faq-acc__q,
  .elementary-lp .faq-acc__a {
    padding-left: 18px;
    padding-right: 18px;
  }
}