@charset "UTF-8";

:root {
  --orange: #f04a00;
  --orange-2: #ff6a00;
  --orange-soft: #fff1e8;
  --black: #101010;
  --dark: #1a1a1a;
  --gray: #6b6b6b;
  --line: #e7e7e7;
  --white: #fff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--black);
  background: var(--white);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.8;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}
.narrow { max-width: 900px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: baseline; gap: 8px; font-weight: 900; }
.brand-main { font-size: 1.35rem; }
.brand-sub { color: var(--orange); font-weight: 800; }
.header-actions { display: flex; gap: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 900;
  transition: .2s ease;
  border: 2px solid transparent;
}
.btn:hover { transform: translateY(-2px); }
.btn-ghost { border-color: var(--orange); color: var(--orange); }
.btn-dark, .btn-black { background: var(--black); color: var(--white); }
.btn-white { background: var(--white); color: var(--black); }
.btn-large { min-height: 58px; padding-inline: 28px; }
.btn-xl { min-height: 68px; padding-inline: 34px; font-size: 1.05rem; }

.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(240,74,0,.98), rgba(255,106,0,.94)),
    radial-gradient(circle at 70% 20%, #ff9f65 0, transparent 30%);
  color: var(--white);
  min-height: 760px;
  display: flex;
  align-items: center;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -5% -18% 35%;
  height: 420px;
  transform: rotate(-6deg);
  background: repeating-linear-gradient(-15deg, rgba(255,255,255,.22) 0 3px, transparent 3px 18px);
}
.hero-kanji {
  position: absolute;
  right: 2vw;
  top: -150px;
  font-size: clamp(25rem, 42vw, 42rem);
  line-height: 1;
  font-weight: 900;
  color: rgba(255,255,255,.12);
  transform: rotate(-8deg);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 70px;
  align-items: center;
  padding-block: 100px;
}
.eyebrow, .section-kicker {
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 900;
  color: var(--orange);
}
.eyebrow { color: #fff; opacity: .9; }
.hero h1 { margin: 0; line-height: .93; letter-spacing: -.04em; }
.hero-small { display: block; font-size: clamp(2rem,4vw,4rem); margin-bottom: 10px; }
.hero-big { display: block; font-size: clamp(4.5rem,9vw,8.5rem); font-weight: 1000; text-shadow: 6px 6px 0 rgba(0,0,0,.9); }
.hero-lead { font-size: clamp(1.25rem,2.2vw,2rem); font-weight: 800; margin: 36px 0 20px; }
.hero-lead strong { font-size: 1.18em; background: var(--black); padding: 4px 10px; }
.hero-note {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.4);
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 800;
}
.hero-note strong { font-size: 1.2rem; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

.hero-card {
  background: rgba(255,255,255,.96);
  color: var(--black);
  border-radius: 24px;
  padding: 30px;
  box-shadow: 0 24px 60px rgba(0,0,0,.2);
}
.hero-card-title { margin: 0 0 16px; font-size: 1.35rem; font-weight: 900; }
.icon-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.icon-list li {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border-radius: 12px; background: var(--orange-soft);
}
.icon-list span {
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center; background: var(--orange); color: #fff; font-weight: 900;
}

.section { padding: 110px 0; }
.section h2 {
  margin: 0 0 34px;
  font-size: clamp(2.3rem,5vw,4.8rem);
  line-height: 1.2;
  letter-spacing: -.03em;
}
.section h2 span { color: var(--orange); }
.problem { background: #fafafa; }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 16px;
}
.problem-grid article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px;
}
.problem-grid b { display: block; font-size: 1.25rem; margin-bottom: 6px; }
.problem-grid p { margin: 0; color: var(--gray); }

.manifesto { background: var(--black); color: #fff; }
.manifesto-box {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 70px;
  border: 2px solid var(--orange);
  border-radius: 28px;
  overflow: hidden;
}
.manifesto-box::before {
  content: "福";
  position: absolute;
  right: -20px; bottom: -90px;
  font-size: 22rem;
  line-height: 1;
  font-weight: 900;
  color: rgba(240,74,0,.12);
}
.light { color: #ff8b4e; }
.manifesto-box p { position: relative; z-index: 1; font-size: 1.08rem; }
.manifesto-strong {
  color: #fff;
  font-weight: 900;
  font-size: clamp(1.4rem,3vw,2.4rem) !important;
  line-height: 1.6;
  border-left: 6px solid var(--orange);
  padding-left: 24px;
}

.compare-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.compare-card {
  border-radius: 24px;
  padding: 36px;
  border: 2px solid var(--line);
}
.compare-card h3 { margin: 0 0 20px; font-size: 1.6rem; }
.compare-card ul { margin: 0; padding-left: 1.2em; }
.compare-card li { margin: 10px 0; }
.compare-card.featured {
  border-color: var(--orange);
  background: linear-gradient(135deg, #fff8f3, #fff);
  box-shadow: 0 16px 40px rgba(240,74,0,.12);
}
.badge {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  border-radius: 999px;
  padding: 5px 14px;
  font-weight: 900;
  margin-bottom: 14px;
}
.alert-box {
  margin-top: 30px;
  padding: 28px;
  border: 3px solid var(--black);
  background: #fff;
}
.alert-box strong { display: block; color: var(--orange); font-size: 1.6rem; }
.alert-box p { margin-bottom: 0; }

.skills { background: var(--orange-soft); }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 18px;
}
.skills-grid article {
  background: #fff;
  padding: 28px 24px;
  border-radius: 20px;
  border-top: 7px solid var(--orange);
}
.skill-icon {
  width: 64px; height: 64px; display: grid; place-items: center;
  border-radius: 16px; background: var(--orange); color: white; font-size: 1.8rem; margin-bottom: 18px;
}
.skills-grid h3 { font-size: 1.25rem; margin: 0 0 10px; }
.skills-grid p { margin: 0; color: var(--gray); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.ability-visual {
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.ability-circle {
  width: 190px; aspect-ratio: 1;
  border: 5px solid var(--orange);
  border-radius: 50%;
  display: grid; place-items: center;
  text-align: center;
  font-size: 2rem; font-weight: 900; color: var(--orange);
}
.ability-circle span { display: block; font-size: .9rem; color: var(--black); font-weight: 800; }
.ability-circle.dark { background: var(--black); color: #fff; border-color: var(--black); }
.ability-circle.dark span { color: #fff; }
.plus { font-size: 3rem; font-weight: 900; }

.process { background: #fafafa; text-align: center; }
.process-row {
  display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap;
  margin-top: 40px;
}
.process-row div {
  width: 150px;
  min-height: 130px;
  display: grid;
  place-items: center;
  align-content: center;
  border-radius: 18px;
  background: #fff;
  border: 2px solid var(--orange);
}
.process-row b { font-size: 1.7rem; color: var(--orange); }
.process-row span { font-weight: 900; }
.process-row i { font-style: normal; font-size: 2rem; color: var(--orange); font-weight: 900; }
.center-copy { margin-top: 34px; font-size: 1.15rem; font-weight: 800; }

.recommended { background: var(--black); color: #fff; }
.recommended .section-kicker { color: #ff8b4e; }
.checks {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 14px;
}
.checks p {
  margin: 0;
  background: #1c1c1c;
  border: 1px solid #333;
  border-radius: 14px;
  padding: 18px 20px 18px 54px;
  position: relative;
}
.checks p::before {
  content: "✓";
  position: absolute;
  left: 18px; top: 16px;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--orange);
  color: #fff; font-weight: 900;
}

.style-card {
  border-radius: 26px;
  padding: 42px;
  background: linear-gradient(145deg, var(--orange), var(--orange-2));
  color: #fff;
  box-shadow: 0 20px 50px rgba(240,74,0,.22);
}
.style-card .mini { font-weight: 900; letter-spacing: .18em; opacity: .9; }
.style-card h3 { margin: 0 0 20px; font-size: 2rem; line-height: 1.3; }
.style-card ul { margin: 0; padding-left: 1.2em; }
.style-card li { margin: 10px 0; }

.movie { background: var(--orange); color: #fff; }
.movie-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 50px;
  align-items: center;
}
.movie h2 { margin-bottom: 20px; }
.movie p { max-width: 700px; }

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 900;
  font-size: 1.1rem;
}
.faq details p {
  color: var(--gray);
  margin: 12px 0 0;
  padding-right: 20px;
}

.final-cta {
  text-align: center;
  background:
    linear-gradient(rgba(240,74,0,.96), rgba(240,74,0,.96)),
    radial-gradient(circle at center, #ffba8c, transparent 55%);
  color: #fff;
}
.final-small { margin: 0; font-size: 2rem; font-weight: 900; }
.final-cta h2 {
  margin: 0 0 20px;
  color: #fff;
  font-size: clamp(4rem,10vw,8rem);
  text-shadow: 5px 5px 0 #000;
}
.final-cta p { font-size: 1.25rem; font-weight: 800; }
.hero-cta.center { justify-content: center; }

.footer {
  background: #0c0c0c;
  color: #fff;
  padding: 55px 0 26px;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 30px;
}
.footer-grid strong { font-size: 1.25rem; }
.footer-grid p { color: #aaa; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; align-content: flex-start; }
.footer-links a { color: #ddd; }
.footer-links a:hover { color: var(--orange); }
.copyright { margin-top: 35px; padding-top: 20px; border-top: 1px solid #292929; color: #777; font-size: .85rem; }

@media (max-width: 980px) {
  .header-actions .btn-ghost { display: none; }
  .hero-grid, .split, .movie-box { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-card { max-width: 600px; }
  .skills-grid { grid-template-columns: repeat(2,1fr); }
  .movie-box { gap: 20px; }
  .movie .btn-xl { justify-self: start; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .site-header { position: static; }
  .header-inner { min-height: 66px; }
  .brand-main { font-size: 1.05rem; }
  .brand-sub { display: none; }
  .header-actions .btn { min-height: 40px; padding: 8px 14px; font-size: .85rem; }

  .hero-grid { padding-block: 70px; gap: 36px; }
  .hero-big { font-size: clamp(3.7rem,18vw,6rem); }
  .hero-note { display: block; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }

  .section { padding: 76px 0; }
  .section h2 { font-size: clamp(2rem,10vw,3.2rem); }
  .problem-grid, .compare-grid, .skills-grid, .checks { grid-template-columns: 1fr; }
  .manifesto-box { padding: 34px 24px; }
  .skills-grid article { padding: 24px; }
  .ability-visual { min-height: auto; flex-direction: column; }
  .plus { transform: rotate(90deg); }
  .process-row { flex-direction: column; }
  .process-row i { transform: rotate(90deg); }
  .process-row div { width: min(100%, 300px); }
  .style-card { padding: 30px 24px; }
  .footer-grid { flex-direction: column; }
}


/* Campaign */
.campaign { background: #fff; }
.campaign-box {
  min-height: 180px;
  display: grid;
  place-items: center;
  padding: 24px;
  border: 2px solid var(--orange);
  border-radius: 24px;
  background: linear-gradient(135deg, #fff8f3, #fff);
  box-shadow: 0 16px 40px rgba(240,74,0,.10);
}
.campaign-image {
  width: 100%;
  height: auto;
  border-radius: 14px;
}
.campaign-fallback {
  margin: 0;
  padding: 24px;
  text-align: center;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  font-weight: 900;
  color: var(--gray);
}

/* Easy-to-continue learning benefits */
.easy-learning {
  padding-top: 54px;
  padding-bottom: 54px;
  background: linear-gradient(180deg, #fff8ef 0%, #fff 100%);
}
.easy-learning-box {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 5vw, 62px);
  border: 2px solid rgba(242, 139, 31, .28);
  border-radius: 30px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(90, 54, 12, .10);
}
.easy-learning-box::before {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -70px;
  top: -80px;
  border-radius: 50%;
  background: rgba(242, 139, 31, .10);
}
.easy-learning-kicker {
  position: relative;
  margin: 0 0 12px;
  text-align: center;
  color: var(--orange);
  font-weight: 900;
  letter-spacing: .08em;
}
.easy-learning h2 {
  position: relative;
  margin: 0;
  text-align: center;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.25;
}
.easy-learning h2 span { color: var(--orange); }
.easy-learning-lead {
  position: relative;
  max-width: 760px;
  margin: 18px auto 30px;
  text-align: center;
  color: var(--gray);
  font-size: clamp(1rem, 2vw, 1.15rem);
}
.easy-learning-points {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.easy-learning-points article {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 22px 20px;
  border-radius: 18px;
  background: #fff8ef;
  border: 1px solid rgba(242, 139, 31, .20);
}
.easy-learning-icon {
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--orange);
  color: #fff;
  font-weight: 900;
}
.easy-learning-points h3 {
  margin: 0 0 7px;
  font-size: 1.05rem;
  line-height: 1.45;
}
.easy-learning-points p {
  margin: 0;
  color: var(--gray);
  font-size: .94rem;
  line-height: 1.7;
}
.easy-learning-conclusion {
  position: relative;
  margin: 30px 0 0;
  text-align: center;
  font-size: clamp(1.65rem, 3.5vw, 2.55rem);
  line-height: 1.4;
  font-weight: 900;
}
.sp-only { display: none; }

@media (max-width: 900px) {
  .easy-learning-points { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .campaign-box { min-height: 140px; padding: 14px; }
  .easy-learning { padding-top: 34px; padding-bottom: 34px; }
  .easy-learning-box { padding: 30px 20px; border-radius: 22px; }
  .easy-learning-points article { padding: 18px 16px; }
  .easy-learning-conclusion { margin-top: 24px; }
  .sp-only { display: block; }
}


/* ===== 統合LP：授業システム後半 ===== */
.system-transition{background:linear-gradient(135deg,#101010,#262626);color:#fff;text-align:center;border-top:8px solid var(--orange)}
.system-transition h2{margin-bottom:22px}.system-transition h2 span{color:#ff8e50}.system-transition>div>p:not(.section-kicker){max-width:820px;margin:0 auto;color:#ddd}
.system-jump-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:34px;text-align:left}
.system-jump-grid a{display:block;background:#fff;color:#111;border-radius:16px;padding:18px 20px;transition:.2s}
.system-jump-grid a:hover{transform:translateY(-3px)}.system-jump-grid b{display:block;color:var(--orange)}.system-jump-grid span{display:block;font-size:.8rem;color:#777;margin-top:2px}
.soft{background:var(--orange-soft)}
.kicker{font-weight:1000;letter-spacing:.12em;color:var(--orange);margin:0 0 12px}.light{color:#ff965c!important}
.price-intro{color:#555;margin-top:-10px;margin-bottom:28px;max-width:850px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.price-card{border:2px solid var(--line);border-radius:24px;padding:30px;background:#fff}.price-card.featured{border-color:var(--orange);box-shadow:0 16px 45px rgba(240,74,0,.13)}
.price-label{font-weight:900;margin:0 0 8px}.price strong{font-size:3.5rem;line-height:1;color:var(--orange)}.price span{font-weight:900;margin-left:5px}.price.smaller strong{font-size:3rem}.pill{display:inline-block;background:var(--orange);color:#fff;padding:4px 12px;border-radius:999px;font-size:.8rem;font-weight:900}
.notice{margin-top:28px;background:#111;color:#fff;border-radius:16px;padding:24px 28px}.notice b{color:#ff8e50;font-size:1.15rem}.notice p{margin:5px 0 0}.notice-sub{margin-top:6px!important;color:#d8d8d8;font-size:.82rem}
.point-system-box{margin:34px 0 30px;padding:32px;border:2px solid var(--orange);border-radius:24px;background:linear-gradient(145deg,#fff,#fff8f3);box-shadow:0 16px 42px rgba(240,74,0,.10)}
.point-system-title{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.point-system-title h3{margin:0;font-size:clamp(1.35rem,2.4vw,2rem);line-height:1.45}.point-system-lead{margin:18px 0 0;color:#555}
.point-cycle{display:grid;grid-template-columns:1fr 48px 1fr 48px 1fr;gap:12px;align-items:center;margin-top:26px}.point-cycle article{min-height:170px;padding:22px 20px;border:1px solid var(--line);border-radius:18px;background:#fff;text-align:center;display:flex;flex-direction:column;justify-content:center}.point-cycle article span{color:var(--orange);font-size:.78rem;font-weight:1000;letter-spacing:.08em}.point-cycle article b{display:block;margin:4px 0;font-size:1.45rem}.point-cycle article p{margin:5px 0 0;color:#666;font-size:.9rem}.point-cycle-main{border-color:var(--orange)!important;box-shadow:0 0 0 4px rgba(240,74,0,.07)}.point-arrow{text-align:center;color:var(--orange);font-size:2rem;font-weight:1000}.point-shortage{margin-top:22px;padding:20px 22px;border-radius:14px;background:#111;color:#fff}.point-shortage b{color:#ff965c;font-size:1.08rem}.point-shortage p{margin:5px 0 0;color:#ddd}
.dark-section{background:#111;color:#fff}.dark-section .section-lead{max-width:850px;font-size:1.08rem;color:#ccc}.flow{display:flex;align-items:center;gap:15px;margin-top:44px}.flow article{flex:1;min-height:240px;background:#1d1d1d;border:1px solid #333;border-radius:22px;padding:28px;position:relative}.step{position:absolute;right:20px;top:18px;color:#555;font-weight:1000;font-size:1.4rem}.flow .icon{width:64px;height:64px;border-radius:16px;background:var(--orange);display:grid;place-items:center;font-size:1.8rem;font-weight:1000}.flow h3{font-size:1.4rem;margin:18px 0 8px}.flow p{color:#bbb}.arrow{font-size:2rem;color:var(--orange);font-weight:1000}
.series-release{margin-top:48px;padding:34px;border:1px solid #343434;border-radius:24px;background:linear-gradient(145deg,#171717,#202020)}.series-release-head{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start}.series-badge{display:inline-block;width:max-content;padding:6px 13px;border-radius:999px;background:var(--orange);color:#fff;font-size:.8rem;font-weight:900}.series-release h3{margin:0;font-size:clamp(1.55rem,3vw,2.5rem);line-height:1.35}.series-release h3 strong{color:#ff8f52}.series-lead{max-width:900px;margin:22px 0 0;color:#ccc}.series-lead strong{color:#fff}.release-steps{display:grid;grid-template-columns:1fr .35fr 1fr .35fr 1fr;gap:12px;align-items:center;margin-top:30px}.release-item{min-height:150px;border:1px solid #3b3b3b;border-radius:18px;background:#101010;padding:22px 18px;text-align:center;display:flex;flex-direction:column;justify-content:center}.release-item.active{border:2px solid var(--orange);box-shadow:0 0 0 4px rgba(240,74,0,.08)}.release-item span{color:#ff955e;font-size:.85rem;font-weight:900}.release-item b{font-size:1.3rem;margin:5px 0}.release-item small{color:#999}.release-line{text-align:center;color:var(--orange);font-size:2rem;font-weight:1000}.release-line i{font-style:normal}.series-example{margin-top:26px;padding:20px 22px;border-left:5px solid var(--orange);background:#111;border-radius:8px}.series-example>b{color:#ff955e}.series-example p{margin:5px 0 0;color:#ddd}.series-example strong{color:#fff}.series-note{font-size:.78rem;color:#888;margin:14px 0 0}
.join-box{display:grid;grid-template-columns:1fr 1fr;background:#fff;border-radius:24px;padding:36px;gap:40px;box-shadow:0 15px 45px rgba(0,0,0,.08)}.join-badge{display:inline-block;background:#111;color:#fff;padding:5px 12px;border-radius:999px;font-weight:900}.join-box h3{font-size:2rem;color:var(--orange);margin:15px 0 8px}.join-box strong{color:var(--orange)}.calendar-demo{border:1px solid var(--line);border-radius:14px;overflow:hidden}.cal-head{background:#111;color:#fff;padding:12px 16px;font-weight:900}.cal-row{display:flex;justify-content:space-between;padding:14px 16px;border-top:1px solid var(--line)}.cal-row .orange{color:var(--orange)}.tiny{font-size:.78rem;color:#777}
.extra-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.extra-grid article{border-top:6px solid var(--orange);background:#fafafa;padding:25px;border-radius:14px}.extra-grid span{color:var(--orange);font-weight:1000}.extra-grid h3{margin:8px 0}.extra-grid p{color:#666;font-size:.92rem}
#faq-system details{border-bottom:1px solid var(--line);padding:21px 0}#faq-system summary{cursor:pointer;font-weight:900;font-size:1.08rem}#faq-system details p{color:#666}
.back-top{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border:0;border-radius:50%;background:#111;color:#fff;font-size:1.3rem;cursor:pointer;opacity:0;pointer-events:none;transition:.2s;z-index:40}.back-top.show{opacity:1;pointer-events:auto}
@media(max-width:900px){.system-jump-grid{grid-template-columns:repeat(2,1fr)}.price-grid{grid-template-columns:1fr}.point-cycle{grid-template-columns:1fr}.point-arrow{transform:rotate(90deg)}.flow{flex-direction:column}.flow article{width:100%;min-height:0}.arrow{transform:rotate(90deg)}.release-steps{grid-template-columns:1fr}.release-line{transform:rotate(90deg)}.series-release-head{grid-template-columns:1fr}.extra-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.system-jump-grid{grid-template-columns:1fr}.point-system-box{padding:24px 18px}.series-release{padding:24px 18px}.join-box{grid-template-columns:1fr;padding:24px}.extra-grid{grid-template-columns:1fr}}