/* ============================================
   SOLUX LP — 共通スタイル (Pattern A/B 共用)
   ============================================ */
:root {
  --maxw: 1080px;
  --radius: 8px;
  --shadow: 0 8px 32px rgba(0, 0, 0, .08);
  --transition: .35s cubic-bezier(.22, .61, .36, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.9;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .brand { display: block; width: 132px; }
.site-header .brand img { width: 100%; height: auto; }
.header-cta {
  font-size: 13px; font-weight: 700; letter-spacing: .08em;
  padding: 10px 22px; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .3),
    inset 0 -3px 7px rgba(26, 48, 42, .24),
    0 7px 18px rgba(53, 78, 70, .18);
  transition: var(--transition);
}
.header-cta:hover { transform: translateY(-1px); filter: brightness(1.08); }
.header-cta:active { transform: translateY(1px); box-shadow: inset 0 2px 7px rgba(22, 44, 37, .3); }
.header-cta > [aria-hidden="true"] { display: inline-block; transition: transform var(--transition); }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 92vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.hero-bg::after { content: ""; position: absolute; inset: 0; background: var(--hero-overlay); }
.hero-inner { position: relative; z-index: 2; width: 100%; padding: 140px 24px 100px; }
.hero-copy { width: min(560px, 42%); margin-right: auto; }
.hero-copy .hero-catch { font-size: clamp(30px, 4.6vw, 48px); }
.hero-eyebrow, .hero-catch, .hero-tagline, .hero-sub { text-shadow: 0 2px 18px rgba(0, 0, 0, .58); }
.hero-eyebrow {
  display: inline-block; font-size: 12px; letter-spacing: .3em; font-weight: 700;
  color: var(--hero-eyebrow); margin-bottom: 20px;
  padding: 6px 16px; border: 1px solid currentColor; border-radius: 999px;
}
.hero-catch {
  font-family: var(--font-head);
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.45; font-weight: 700;
  color: var(--hero-ink);
  margin-bottom: 22px;
}
.hero-tagline {
  max-width: 640px; margin-bottom: 16px;
  font-family: var(--font-head); font-size: clamp(17px, 2.3vw, 23px);
  font-weight: 700; line-height: 1.7; color: var(--hero-ink);
}
.hero-sub { font-size: clamp(14px, 1.8vw, 18px); color: var(--hero-sub); max-width: 560px; margin-bottom: 36px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.hero-badges li {
  font-size: 12.5px; font-weight: 700; letter-spacing: .05em;
  padding: 8px 16px; border-radius: 999px;
  background: var(--badge-bg); color: var(--badge-ink);
  border: 1px solid var(--badge-line);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 700; letter-spacing: .06em; text-align: center;
  padding: 18px 44px; border-radius: 999px; font-size: 16px;
  background: var(--accent); color: var(--accent-ink);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .3),
    inset 0 -4px 8px rgba(26, 48, 42, .24),
    0 10px 28px var(--accent-glow);
  transition: var(--transition); border: none; cursor: pointer;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.07); }
.btn:active { transform: translateY(1px); box-shadow: inset 0 3px 9px rgba(22, 44, 37, .32); }
.btn > [aria-hidden="true"] { font-size: 1.2em; line-height: 1; transition: transform var(--transition); }
.btn:hover > [aria-hidden="true"], .header-cta:hover > [aria-hidden="true"] { transform: translateX(3px); }
.btn .sub { display: block; font-size: 11px; font-weight: 400; opacity: .85; letter-spacing: .1em; }
.btn-block { flex-direction: column; gap: 2px; line-height: 1.5; }
.btn-ghost {
  background: rgba(255, 255, 255, .6); color: var(--ink);
  border: 1.5px solid var(--line-strong);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, .85), inset 0 -3px 7px rgba(76, 107, 100, .1), 0 8px 20px rgba(70, 90, 82, .1);
}

/* ---------- sections ---------- */
section { padding: 96px 0; }
.sec-head { text-align: center; margin-bottom: 56px; }
.sec-en {
  display: block; font-size: 12px; letter-spacing: .34em; font-weight: 700;
  color: var(--accent-text); text-transform: uppercase; margin-bottom: 12px;
}
.sec-title {
  font-family: var(--font-head);
  font-size: clamp(24px, 3.6vw, 36px); font-weight: 700; line-height: 1.5;
}
.sec-lead { max-width: 640px; margin: 20px auto 0; font-size: 15px; color: var(--ink-soft); }
.studio-lead { max-width: 780px; }

.alt-bg { background: var(--bg-alt); }

/* ---------- trust strip ---------- */
.trust-strip {
  padding: 58px 0 48px;
  background: linear-gradient(180deg, #f7f4ec 0%, var(--bg) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-heading { text-align: center; margin-bottom: 30px; }
.trust-heading .sec-en { margin-bottom: 7px; }
.trust-heading h2 {
  font-family: var(--font-head); font-size: clamp(19px, 2.5vw, 27px);
  letter-spacing: .06em; line-height: 1.55;
}
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 860px; margin: 0 auto; }
.trust-item { position: relative; text-align: center; padding: 0 28px; }
.trust-item + .trust-item { border-left: 1px solid var(--line-strong); }
.trust-seal {
  position: relative; width: 122px; height: 122px; margin: 0 auto 8px;
  display: grid; place-items: center;
  background: url("../assets/img/leaf.png") center / contain no-repeat;
}
.trust-value {
  position: relative; z-index: 1; display: flex; align-items: baseline; justify-content: center; gap: 2px;
  font-family: var(--font-head); color: var(--accent-text); font-size: 34px; font-weight: 700; line-height: 1;
}
.trust-value small { font-size: 11px; letter-spacing: .02em; }
.trust-value-text { font-size: 18px; letter-spacing: .04em; }
.trust-item p { font-size: 13px; font-weight: 700; letter-spacing: .04em; line-height: 1.6; }
.trust-note { margin-top: 22px; text-align: center; color: var(--ink-soft); font-size: 10.5px; }

/* ---------- 悩み ---------- */
.pain-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 780px; margin: 0 auto; }
.pain-list li {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 20px 22px; border-radius: var(--radius);
  background: var(--card-bg); border: 1px solid var(--line);
  font-size: 15px; font-weight: 500;
}
.pain-list li::before { content: "✔"; color: var(--accent-text); font-weight: 700; flex-shrink: 0; }
.pain-close { text-align: center; margin-top: 44px; font-family: var(--font-head); font-size: clamp(19px, 2.6vw, 26px); font-weight: 700; line-height: 1.8; }
.pain-close em { font-style: normal; color: var(--accent-text); }

/* ---------- concept ---------- */
.concept-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.concept-copy h2 { font-family: var(--font-head); font-size: clamp(21px, 2.8vw, 28px); line-height: 1.7; margin-bottom: 22px; }
.concept-copy p { color: var(--ink-soft); margin-bottom: 16px; font-size: 15px; }
.concept-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.concept-img img { width: 100%; object-fit: cover; }

/* ---------- reason cards ---------- */
.reason-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.reason-card {
  background: var(--card-bg); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow);
}
.reason-card img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.reason-card .body { padding: 26px 26px 30px; }
.reason-card .num { font-family: var(--font-head); font-size: 13px; letter-spacing: .25em; color: var(--accent-text); font-weight: 700; }
.reason-card h3 { font-family: var(--font-head); font-size: 20px; margin: 8px 0 12px; line-height: 1.6; }
.reason-card p { font-size: 14.5px; color: var(--ink-soft); }

/* ---------- evidence strip ---------- */
.evidence { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.evidence li {
  text-align: center; padding: 30px 14px;
  background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--radius);
}
.evidence .big { font-family: var(--font-head); font-size: clamp(26px, 3.4vw, 38px); font-weight: 700; color: var(--accent-text); line-height: 1.2; }
.evidence .big small { font-size: .5em; }
.evidence .label { font-size: 13px; margin-top: 8px; color: var(--ink-soft); font-weight: 500; }

/* ---------- program ---------- */
.program-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.program-card { background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.program-card img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.program-card:first-child img { object-position: 46% center; }
.program-card .body { padding: 18px 18px 22px; }
.program-card h3 { font-size: 16px; font-family: var(--font-head); margin-bottom: 8px; }
.program-card p { font-size: 13px; color: var(--ink-soft); line-height: 1.75; }

/* ---------- horizontal content ---------- */
.scroll-track {
  display: flex; gap: 18px; overflow-x: auto; padding: 8px 4px 22px;
  scroll-snap-type: x mandatory; overscroll-behavior-inline: contain;
  scrollbar-width: thin; scrollbar-color: var(--brand-light) transparent;
}
.scroll-track > * { scroll-snap-align: start; flex: 0 0 auto; }
.scroll-track::-webkit-scrollbar { height: 7px; }
.scroll-track::-webkit-scrollbar-thumb { background: var(--brand-light); border-radius: 999px; }
.scroll-track::-webkit-scrollbar-track { background: transparent; }

/* ---------- reviews ---------- */
.review-card {
  width: min(380px, 86vw); min-height: 260px; padding: 30px 28px;
  display: flex; flex-direction: column;
  background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.review-stars { color: #aa8751; letter-spacing: .16em; font-size: 14px; margin-bottom: 18px; }
.review-card blockquote { font-family: var(--font-head); font-size: 16px; line-height: 2; font-weight: 500; }
.review-author { margin-top: auto; padding-top: 20px; color: var(--ink-soft); font-size: 12px; }
.section-source { margin-top: 22px; text-align: right; color: var(--accent-text); font-size: 13px; font-weight: 700; }
.section-source a { display: inline-flex; gap: 6px; align-items: center; border-bottom: 1px solid currentColor; }

/* ---------- instagram ---------- */
.instagram-section { overflow: hidden; }
.instagram-card {
  width: 340px; height: 660px; overflow: hidden;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.instagram-card iframe { width: 100%; height: 100%; border: 0; background: #fff; }
.instagram-link { min-width: 280px; }

/* ---------- trainer ---------- */
.trainer-grid { display: grid; grid-template-columns: 380px 1fr; gap: 52px; align-items: center; }
.trainer-photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.trainer-body .role { font-size: 12px; letter-spacing: .25em; color: var(--accent-text); font-weight: 700; }
.trainer-body h3 { font-family: var(--font-head); font-size: 28px; margin: 8px 0 4px; }
.trainer-body .name-en { font-size: 12px; letter-spacing: .2em; color: var(--ink-soft); margin-bottom: 20px; }
.trainer-body p { font-size: 15px; color: var(--ink-soft); margin-bottom: 14px; }
.trainer-creds { margin-top: 18px; display: grid; gap: 8px; }
.trainer-creds li { display: flex; gap: 10px; font-size: 14px; font-weight: 500; align-items: baseline; }
.trainer-creds li::before { content: "―"; color: var(--accent-text); flex-shrink: 0; }

/* ---------- pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price-card {
  position: relative; text-align: center;
  background: var(--card-bg); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 40px 26px 34px;
  display: flex; flex-direction: column;
}
.price-card.featured { border: 2px solid var(--accent); box-shadow: var(--shadow); }
.price-card .tag {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: var(--accent-ink);
  font-size: 11.5px; font-weight: 700; letter-spacing: .12em;
  padding: 5px 18px; border-radius: 999px; white-space: nowrap;
}
.price-card h3 { font-family: var(--font-head); font-size: 17px; margin-bottom: 14px; }
.price-card .price { font-family: var(--font-head); font-size: 38px; font-weight: 700; color: var(--accent-text); line-height: 1.1; }
.price-card .unit { font-size: 12.5px; color: var(--ink-soft); margin-bottom: 16px; }
.price-card .detail { font-size: 13.5px; color: var(--ink-soft); margin-top: auto; }
.price-notes { max-width: 640px; margin: 32px auto 0; text-align: center; }
.price-notes .free-line {
  display: inline-flex; flex-wrap: wrap; gap: 12px; justify-content: center;
}
.price-notes .free-line span {
  font-weight: 700; font-size: 14.5px;
  background: var(--badge-bg); color: var(--badge-ink); border: 1px solid var(--badge-line);
  padding: 8px 20px; border-radius: 999px;
}
.price-notes p { font-size: 12.5px; color: var(--ink-soft); margin-top: 14px; }

/* ---------- flow ---------- */
.flow-list { max-width: 720px; margin: 0 auto; display: grid; gap: 0; counter-reset: flow; }
.flow-list li { position: relative; display: flex; gap: 24px; padding: 0 0 40px 0; }
.flow-list li:last-child { padding-bottom: 0; }
.flow-list li::before {
  counter-increment: flow; content: "0" counter(flow);
  font-family: var(--font-head); font-weight: 700; font-size: 22px;
  color: var(--accent-text); flex-shrink: 0; width: 44px; line-height: 1.4;
}
.flow-list li:not(:last-child)::after {
  content: ""; position: absolute; left: 15px; top: 44px; bottom: 10px;
  width: 1px; background: var(--line-strong);
}
.flow-list h3 { font-family: var(--font-head); font-size: 18px; margin-bottom: 6px; }
.flow-list p { font-size: 14.5px; color: var(--ink-soft); }

/* ---------- gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.gallery figure { border-radius: var(--radius); overflow: hidden; }
.gallery img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: var(--transition); }
.gallery figure:hover img { transform: scale(1.05); }

.section-cta { display: flex; justify-content: center; margin-top: 48px; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  display: flex; align-items: center; gap: 14px;
  padding: 20px 22px; font-size: 15.5px; font-weight: 700;
  color: var(--ink); font-family: var(--font-body); line-height: 1.7;
}
.faq-q::before { content: "Q"; font-family: var(--font-head); color: var(--accent-text); font-size: 18px; font-weight: 700; }
.faq-q::after { content: "+"; margin-left: auto; font-size: 22px; color: var(--accent-text); transition: var(--transition); }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-a .inner { padding: 0 22px 22px 56px; font-size: 14.5px; color: var(--ink-soft); }

/* ---------- reserve ---------- */
.reserve-panel {
  max-width: 760px; margin: 0 auto; padding: 56px 48px; text-align: center;
  background: var(--card-bg); border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px); box-shadow: var(--shadow);
}
.reserve-panel h2 { font-family: var(--font-head); font-size: clamp(24px, 3.6vw, 36px); line-height: 1.5; }
.reserve-panel p { max-width: 560px; margin: 18px auto 30px; color: var(--ink-soft); font-size: 15px; }
.reserve-panel .btn { min-width: min(360px, 100%); }
.reserve-panel small { display: block; margin-top: 16px; color: var(--ink-soft); font-size: 11.5px; }

/* ---------- access ---------- */
.access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: stretch; }
.access-map iframe, .access-map img { width: 100%; height: 100%; min-height: 320px; border: none; border-radius: var(--radius); object-fit: cover; }
.access-table { display: grid; gap: 0; align-content: start; }
.access-table dl { display: grid; grid-template-columns: 96px 1fr; gap: 14px; padding: 16px 4px; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.access-table dt { font-weight: 700; color: var(--accent-text); }
.access-table dd { color: var(--ink-soft); }

/* ---------- final cta ---------- */
.final-cta { text-align: center; position: relative; overflow: hidden; }
.final-cta .hero-bg { opacity: .999; }
.final-cta .inner { position: relative; z-index: 2; }
.final-cta h2 { font-family: var(--font-head); font-size: clamp(24px, 4vw, 38px); color: var(--hero-ink); line-height: 1.6; margin-bottom: 18px; }
.final-cta p { color: var(--hero-sub); margin-bottom: 34px; font-size: 15px; }

/* ---------- footer ---------- */
.site-footer { padding: 44px 24px 110px; text-align: center; background: var(--footer-bg); color: var(--footer-ink); }
.site-footer .brand { width: 132px; margin: 0 auto; }
.site-footer .brand img { width: 100%; filter: brightness(0) invert(1); opacity: .92; }
.site-footer small { display: block; margin-top: 14px; font-size: 11.5px; opacity: .6; }

/* ---------- sticky CTA ---------- */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: var(--sticky-bg); backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  display: flex; justify-content: center;
  transform: translateY(110%); transition: transform .4s ease;
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta .btn { padding: 13px 40px; font-size: 14.5px; width: min(480px, 100%); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.reveal.shown { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
.sp-only { display: none; }

@media (max-width: 860px) {
  section { padding: 68px 0; }
  .concept-grid, .trainer-grid, .access-grid { grid-template-columns: 1fr; gap: 32px; }
  .access-grid { align-items: start; }
  .access-map iframe, .access-map img { height: 320px; min-height: 320px; }
  .trainer-photo { max-width: 380px; margin: 0 auto; }
  .reason-grid { grid-template-columns: 1fr; }
  .program-grid, .evidence { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .pain-list { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .hero { min-height: 86vh; }
  .hero .hero-bg { background-position: 60% center; }
  .hero-copy { width: min(520px, 50%); }
  .header-cta { font-size: 12px; padding: 9px 16px; }
  .reserve-panel { padding: 44px 28px; }
  .trust-item { padding: 0 14px; }
  .sp-only { display: inline; }
}

@media (max-width: 560px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .site-header { padding: 11px 16px; }
  .site-header .brand { width: 110px; }
  .header-cta { padding: 9px 13px; letter-spacing: .02em; }
  .hero-inner { padding: 116px 20px 72px; }
  .hero-copy { width: 58%; }
  .hero-eyebrow { font-size: 10px; letter-spacing: .16em; padding: 6px 11px; }
  .hero-copy .hero-catch { font-size: 26px; line-height: 1.48; }
  .hero-tagline { font-size: 13.5px; line-height: 1.7; }
  .hero-sub { font-size: 12px; line-height: 1.75; }
  .hero .hero-bg { background-position: 55% center; }
  .hero .hero-bg::after { background: linear-gradient(90deg, rgba(15, 20, 18, .95) 0%, rgba(15, 20, 18, .84) 26%, rgba(15, 20, 18, .42) 40%, rgba(15, 20, 18, .08) 52%, rgba(15, 20, 18, 0) 61%); }
  .hero-badges { gap: 8px; }
  .hero-badges li { padding: 6px 9px; font-size: 10.5px; }
  .hero .btn { width: 100%; min-width: 0; padding-left: 12px; padding-right: 12px; font-size: 13px; text-shadow: none; }
  .program-grid { grid-template-columns: 1fr; }
  .trust-strip { padding: 46px 0 38px; }
  .trust-heading { margin-bottom: 24px; }
  .trust-grid { gap: 0; }
  .trust-item { padding: 0 5px; }
  .trust-seal { width: 92px; height: 92px; margin-bottom: 6px; }
  .trust-value { font-size: 27px; }
  .trust-value small { font-size: 8.5px; }
  .trust-value-text { font-size: 14px; }
  .trust-item p { font-size: 10.5px; letter-spacing: 0; }
  .trust-note { margin-top: 18px; }
  .review-card { width: calc(100vw - 58px); min-height: 250px; padding: 26px 23px; }
  .review-card blockquote { font-size: 15px; }
  .instagram-card { width: calc(100vw - 58px); max-width: 340px; height: 660px; }
  .section-source { text-align: left; }
  .gallery { grid-template-columns: 1fr; }
  .gallery img { aspect-ratio: 3 / 2; }
  .access-table dl { grid-template-columns: 80px 1fr; gap: 10px; }
  .reserve-panel { padding: 38px 22px; }
  .section-cta .btn { width: 100%; }
}