/* =========================================================
   Strategy Academy LP  (2026 renewal)
   ========================================================= */
:root {
  --bg: #ffffff;
  --bg-soft: #f3f6f9;
  --bg-tint: #e8f2fb;
  --navy: #00273D;
  --navy-2: #06344f;
  --ink: #00273D;
  --text: #2d4152;
  --muted: #62727f;
  --line: rgba(0, 39, 61, .10);
  --line-strong: rgba(0, 39, 61, .18);
  --brand: #1f78d1;
  --brand-bright: #2B97EF;
  --brand-soft: rgba(31, 120, 209, .10);
  --accent: #FFD900;
  --accent-ink: #8a6d00;
  --accent-soft: rgba(255, 217, 0, .45);
  --shadow-sm: 0 2px 6px rgba(0, 39, 61, .06), 0 10px 30px -12px rgba(0, 39, 61, .14);
  --shadow-lg: 0 4px 12px rgba(0, 39, 61, .06), 0 40px 80px -30px rgba(0, 39, 61, .28);
  --jp: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --display: "Outfit", var(--jp);
  --mono: "Outfit", var(--jp);
  --gutter: clamp(20px, 4vw, 56px);
  --max: 1240px;
  --radius: 14px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --header-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--jp);
  font-weight: 500;
  color: var(--text);
  background: var(--bg);
  line-height: 1.85;
  letter-spacing: .03em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  word-break: auto-phrase;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ul, ol, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
strong, b { font-weight: 700; color: var(--ink); }

.wrap { width: 100%; max-width: calc(var(--max) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.c-brand { color: var(--brand) !important; }
.c-accent { color: var(--accent-ink) !important; }
.c-white { color: #fff !important; }
.bg-soft { background: var(--bg-soft); }
.pc { display: inline; }
.nw { white-space: nowrap; }
p, li, dd, summary { text-wrap: pretty; }
@media (max-width: 767px) { .pc { display: none; } }

/* ---------- typography ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--display); font-weight: 700; font-size: 13px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--brand);
  margin-bottom: 18px; padding: 6px 14px 6px 10px; border-radius: 6px; background: var(--brand-soft);
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--accent); }
.eyebrow-light { color: #fff; background: rgba(255,255,255,.08); }
.eyebrow + .h-xl, .eyebrow + .h-lg { margin-top: 0; }

.h-xl, .h-lg {
  font-family: var(--jp); font-weight: 900; color: var(--ink);
  letter-spacing: .01em; line-height: 1.3;
  word-break: auto-phrase; text-wrap: balance;
}
.h-xl { font-size: clamp(30px, 5.2vw, 68px); }
.h-lg { font-size: clamp(27px, 4.2vw, 54px); }
.lead { margin-top: 26px; max-width: 720px; font-size: clamp(15px, 1.3vw, 17px); line-height: 2; }
.note { margin-top: 24px; font-size: 12px; line-height: 1.8; color: var(--muted); }

.section { padding: clamp(88px, 11vw, 150px) 0; position: relative; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; }
.section-head-txt { font-size: 15px; color: var(--muted); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 14px;
  font-family: var(--jp); font-weight: 700; letter-spacing: .06em;
  border-radius: 12px; transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s;
  white-space: nowrap;
}
.btn .arrow { font-family: var(--display); font-weight: 800; transition: transform .35s var(--ease); }
.btn:hover { transform: translateY(-2px); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-sm { padding: 12px 22px; font-size: 14px; }
.btn-lg { padding: 22px 34px; font-size: 16px; }
.btn-xl { padding: 26px 40px; font-size: 18px; }
.btn-navy { background: var(--navy); color: #fff; box-shadow: 0 14px 30px -12px rgba(0,39,61, .55); }
.btn-navy .arrow { color: var(--accent); }
.btn-ghost { background: rgba(255,255,255,.8); color: var(--ink); border: 1px solid var(--line-strong); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-accent { background: #C8F53C; color: var(--navy); box-shadow: 0 14px 30px -14px rgba(118, 158, 0, .6); }
.btn-accent:hover { background: #D5FF50; box-shadow: 0 18px 34px -14px rgba(118, 158, 0, .68); }
.btn-accent .arrow { color: var(--navy); }

.text-link { display: inline-flex; gap: 10px; align-items: center; font-weight: 700; font-size: 14px; color: var(--brand); }
.text-link span { transition: transform .3s var(--ease); }
.text-link:hover span { transform: translateX(4px); }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h);
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.site-header.is-scrolled { background: rgba(255,255,255,.86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line); }
.header-inner {
  height: 100%; max-width: calc(var(--max) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter);
  display: flex; align-items: center; gap: 36px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--brand); white-space: nowrap; flex-shrink: 0; }
.logo-mark { width: 38px; height: 38px; }
.logo-text { font-family: var(--display); font-weight: 400; font-size: 22px; color: var(--ink); letter-spacing: .005em; }
.logo-text b { font-weight: 800; }
.header-nav { margin-left: auto; display: flex; gap: 30px; font-weight: 700; font-size: 14px; color: var(--ink); }
.header-nav a { position: relative; }
.header-nav a::after { content: ""; position: absolute; left: 0; bottom: -4px; width: 100%; height: 2px; background: var(--brand); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.header-nav a:hover::after { transform: scaleX(1); }
@media (max-width: 960px) {
  .header-nav { display: none; }
  .header-cta { margin-left: auto; }
}
@media (max-width: 480px) {
  :root { --header-h: 64px; }
  .header-inner { gap: 12px; }
  .logo { gap: 8px; }
  .logo-text { font-size: 18px; }
  .logo-mark { width: 32px; height: 32px; }
  .header-cta { padding: 10px 16px; font-size: 13px; }
}

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: min(100vh, 920px); padding: calc(var(--header-h) + 80px) 0 110px;
  display: flex; align-items: center; overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(0,39,61,.16) 1.2px, transparent 1.5px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 90%);
          mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 90%);
}
.hero-glow { position: absolute; inset: 0; pointer-events: none; }
.hero-glow::before, .hero-glow::after { content: ""; position: absolute; border-radius: 50%; filter: blur(70px); }
.hero-glow::before { width: 720px; height: 620px; right: -120px; top: -80px; background: radial-gradient(circle, rgba(43,151,239,.22), transparent 65%); animation: drift 14s ease-in-out infinite alternate; }
.hero-glow::after { width: 520px; height: 420px; left: -160px; bottom: -160px; background: radial-gradient(circle, rgba(255,217,0,.20), transparent 65%); animation: drift 18s ease-in-out infinite alternate-reverse; }
@keyframes drift { from { transform: translate(0, 0) scale(1); } to { transform: translate(-60px, 40px) scale(1.08); } }

.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 56px; align-items: center; }
.hero-inner > * { min-width: 0; }
.hero-tag { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 26px; padding: 5px 18px 5px 5px; border-radius: 10px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); font-weight: 700; font-size: 14px; color: var(--ink); }
.hero-tag span { background: var(--navy); color: #fff; padding: 6px 12px; border-radius: 7px; font-size: 13px; }
.hero-tag em { font-style: normal; font-family: var(--display); font-weight: 800; color: var(--accent); font-size: 17px; margin-right: 1px; }
.hero-title { font-weight: 900; color: var(--ink); font-size: clamp(25px, 7.1vw, 46px); line-height: 1.32; letter-spacing: .01em; }
.hero-title .line { display: block; }
.hero-title .line { white-space: nowrap; }
@media (min-width: 961px) { .hero-title { font-size: clamp(40px, 4.3vw, 62px); } }
.hero-title .marker {
  position: relative; display: inline-block; color: var(--ink); padding: 0 .06em;
  background: linear-gradient(transparent 64%, var(--accent) 64%, var(--accent) 92%, transparent 92%);
}
.hero-title .num { font-family: var(--display); font-style: normal; font-weight: 800; color: var(--brand); font-size: 1.12em; letter-spacing: -.02em; }
.hero-lead { margin-top: 34px; max-width: 620px; font-size: clamp(15px, 1.35vw, 18px); line-height: 2.05; }
.hero-actions { margin-top: 42px; display: flex; flex-wrap: wrap; gap: 16px; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--muted); }

.hero-card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 24px 26px 18px;
}
.hero-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; border-radius: var(--radius) var(--radius) 0 0; background: linear-gradient(90deg, var(--brand), var(--brand-bright) 60%, var(--accent)); }
.hero-card-head { display: flex; justify-content: space-between; align-items: center; }
.hero-card-head .label { font-family: var(--display); font-weight: 700; letter-spacing: .16em; font-size: 12px; color: var(--ink); }
.sample { font-size: 11px; font-weight: 700; color: var(--navy); background: var(--accent); padding: 3px 10px; border-radius: 6px; }
.hero-card-q { margin-top: 16px; padding: 14px 16px; background: var(--bg-soft); border-radius: 10px; }
.q-label { display: block; font-size: 11px; font-weight: 700; color: var(--brand); letter-spacing: .08em; }
.hero-card-q p { margin-top: 4px; font-weight: 700; color: var(--ink); font-size: 15px; line-height: 1.6; }
.hero-card-rows { margin-top: 6px; }
.hero-card-rows li { display: grid; grid-template-columns: 6.4em 1fr 2.2em; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.hero-card-rows li span { color: var(--text); font-weight: 700; }
.hero-card-rows li b { font-family: var(--display); font-weight: 800; font-size: 22px; line-height: 1; color: var(--ink); text-align: right; }
.hero-card-rows .bar { height: 6px; border-radius: 6px; background: var(--bg-soft); overflow: hidden; }
.hero-card-rows .bar s { display: block; height: 100%; width: var(--w); border-radius: inherit; background: linear-gradient(90deg, var(--brand), var(--brand-bright)); transform-origin: left; animation: grow 1.6s var(--ease) .6s both; }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.hero-card-comment { margin-top: 14px; padding: 12px 14px; border-left: 3px solid var(--accent); background: #fffbe0; border-radius: 0 10px 10px 0; }
.hero-card-comment .q-label { color: var(--accent-ink); }
.hero-card-comment p { margin-top: 4px; font-size: 13px; line-height: 1.8; color: var(--ink); font-weight: 700; }
.hero-card-foot { margin-top: 12px; font-size: 11px; color: var(--muted); }

@media (max-width: 960px) {
  .hero { min-height: auto; padding: calc(var(--header-h) + 56px) 0 90px; }
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .hero-card { max-width: 480px; }
  .scroll-cue { display: none; }
}
@media (max-width: 480px) {
  .hero-actions .btn { width: 100%; }
  .btn-lg { padding: 20px 24px; }
}

/* ---------- strip ---------- */
.strip { background: var(--navy); color: rgba(255,255,255,.85); padding: 24px 0; }
.strip-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.strip-list li { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 2px; padding: 4px 12px; font-size: 15px; text-align: center; border-left: 1px solid rgba(255,255,255,.14); }
.strip-list li:first-child { border-left: 0; }
.strip-list b { color: var(--accent); font-weight: 900; }
@media (max-width: 860px) {
  .strip-list { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 12px; }
  .strip-list li { font-size: 13px; }
  .strip-list li:nth-child(3) { border-left: 0; }
}

/* ---------- about / stats ---------- */
.about-inner { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 64px; align-items: end; }
.stats { display: grid; gap: 16px; }
.stat { padding: 26px 30px 28px; border-radius: var(--radius); background: var(--bg-soft); border: 1px solid var(--line); }
.stat-label { font-weight: 700; color: var(--ink); font-size: 15px; }
.stat-num { margin-top: 6px; display: flex; align-items: baseline; gap: 8px; color: var(--ink); }
.stat-num .num { font-family: var(--display); font-weight: 800; font-size: clamp(60px, 6.4vw, 92px); line-height: .95; letter-spacing: -.02em; }
.stat-num .unit { font-weight: 900; font-size: clamp(18px, 1.7vw, 22px); color: var(--brand); }
.stat-num .footnote-mark { margin-left: -4px; font-size: 11px; font-weight: 700; color: var(--muted); vertical-align: top; }
.stat-dark { background: var(--navy); border-color: var(--navy); }
.stat-dark .stat-label { color: rgba(255,255,255,.8); }
.stat-dark .stat-num { color: #fff; }
.stat-dark .stat-num .unit { color: var(--accent); }
@media (max-width: 960px) { .about-inner { grid-template-columns: minmax(0, 1fr); gap: 40px; } }

/* ---------- results logos ---------- */
.logos { margin-top: 40px; row-gap: 8px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.logos li { height: 96px; min-width: 0; display: grid; place-items: center; }
.logos img { max-height: 56px; max-width: min(150px, 100%); width: auto; height: auto; object-fit: contain; mix-blend-mode: multiply; }
.logos li:nth-child(7) img { max-height: 76px; }
@media (max-width: 767px) { .logos { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 16px; } .logos li { height: 84px; } .logos img { max-height: 50px; } }

/* ---------- voice ---------- */
.voice-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.voice-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.voice-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.voice-img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-soft); }
.voice-img img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; transition: transform .8s var(--ease); }
.voice-card:hover .voice-img img { transform: scale(1.04); }
.voice-body { padding: 26px 26px 28px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.voice-meta { font-size: 12px; color: var(--brand); font-weight: 700; letter-spacing: .06em; }
.voice-ttl { font-weight: 900; font-size: 19px; line-height: 1.55; color: var(--ink); }
.salary { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 16px 18px; border-radius: 14px; background: var(--bg-soft); margin-top: auto; }
.salary span { font-size: 13px; font-weight: 700; }
.salary b { font-family: var(--display); font-weight: 800; font-size: 22px; margin: 0 2px; }
.salary .before { color: var(--muted); }
.salary .before b { color: var(--muted); }
.salary .to { color: var(--brand); font-weight: 800; }
.salary .after { color: var(--ink); background: linear-gradient(transparent 60%, var(--accent-soft) 60%); }
@media (max-width: 960px) { .voice-grid { grid-template-columns: minmax(0, 1fr); max-width: 560px; } }
@media (max-width: 480px) { .salary { gap: 8px; padding: 14px; } .salary b { font-size: 19px; } .voice-body { padding: 22px 20px 24px; } }

/* ---------- goal (dark) ---------- */
.goal { position: relative; background: var(--navy); color: rgba(255,255,255,.82); padding: clamp(96px, 12vw, 160px) 0; overflow: hidden; }
.goal-img { position: absolute; inset: 0 0 0 auto; width: 58%; opacity: .9; }
.goal-img img { width: 100%; height: 100%; object-fit: cover; object-position: right center; -webkit-mask-image: linear-gradient(to right, transparent, #000 40%); mask-image: linear-gradient(to right, transparent, #000 40%); }
.goal-arc { position: absolute; width: 900px; height: 900px; left: 34%; top: 50%; transform: translateY(-50%); border-radius: 50%; border: 90px solid rgba(255,255,255,.025); pointer-events: none; }
.goal-inner { position: relative; display: grid; grid-template-columns: minmax(0, 620px); gap: 36px; }
.goal-txt { display: flex; flex-direction: column; gap: 18px; font-size: 16px; line-height: 2; }
.pill { align-self: flex-start; margin-top: 8px; padding: 10px 18px; border-radius: 999px; background: rgba(255,217,0,.12); color: var(--accent); font-weight: 700; font-size: 13px; line-height: 1.6; border: 1px solid rgba(255,217,0,.25); }
@media (max-width: 960px) {
  .goal-inner { grid-template-columns: 1fr; }
  .goal-img { width: 100%; opacity: .3; }
}

/* ---------- features / reasons ---------- */
.reason-grid { margin-top: 64px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.reason { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 38px 32px 36px; box-shadow: var(--shadow-sm); overflow: hidden; transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.reason:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.reason-no { position: absolute; top: 34px; right: 28px; font-family: var(--display); font-weight: 700; font-size: 12px; letter-spacing: .14em; color: var(--brand); background: var(--brand-soft); padding: 5px 10px; border-radius: 6px; }
.reason { border-top: 4px solid var(--brand); }
.reason .icon { width: 52px; height: 52px; fill: none; stroke: var(--brand); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.reason h3 { margin-top: 34px; font-weight: 900; font-size: 21px; line-height: 1.6; color: var(--ink); }
.reason p { margin-top: 16px; font-size: 15px; line-height: 1.95; }
@media (max-width: 960px) { .reason-grid { grid-template-columns: 1fr; max-width: 640px; } }

/* ---------- service ---------- */
.service-top { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.service-photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 3 / 2; }
.service-photo img { width: 100%; height: 100%; object-fit: cover; }
.service-grid { margin-top: 64px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: s; }
.service-item { background: #fff; border-radius: 12px; padding: 28px 28px 30px; border: 1px solid var(--line); transition: border-color .3s, transform .4s var(--ease); }
.service-item:hover { border-color: var(--brand); transform: translateY(-3px); }
.service-item .svc-no { font-family: var(--display); font-weight: 800; font-size: 34px; color: var(--brand); letter-spacing: -.01em; line-height: 1; }
.service-item h3 { margin-top: 18px; font-weight: 900; font-size: 18px; color: var(--ink); line-height: 1.55; }
.service-item p { margin-top: 10px; font-size: 14px; line-height: 1.9; }
@media (max-width: 960px) {
  .service-top { grid-template-columns: 1fr; gap: 40px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) { .service-grid { grid-template-columns: 1fr; } }

/* ---------- difference table ---------- */
.table-scroll { margin-top: 56px; overflow-x: auto; -webkit-overflow-scrolling: touch; padding: 8px 2px 16px; }
.scroll-hint { display: none; }
@media (max-width: 860px) { .scroll-hint { display: block; margin-top: 36px; font-size: 12px; font-weight: 700; color: var(--brand); } .table-scroll { margin-top: 12px; } }
.compare { width: 100%; min-width: 820px; border-collapse: separate; border-spacing: 0; font-size: 14px; }
.compare th, .compare td { padding: 18px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; line-height: 1.6; }
.compare thead th { font-weight: 900; color: var(--ink); font-size: 15px; text-align: center; border-bottom: 2px solid var(--navy); }
.compare thead th.blank { border-bottom-color: transparent; }
.compare tbody th { font-weight: 700; color: var(--ink); white-space: nowrap; background: var(--bg-soft); }
.compare tbody th.group { background: var(--navy); color: #fff; text-align: center; writing-mode: vertical-rl; letter-spacing: .3em; width: 56px; padding: 18px 10px; border-bottom-color: rgba(255,255,255,.12); }
.compare td { color: var(--muted); }
.compare .us { background: linear-gradient(180deg, rgba(31,120,209,.07), rgba(31,120,209,.04)); color: var(--ink); font-weight: 700; border-left: 2px solid var(--brand); border-right: 2px solid var(--brand); }
.compare thead .us { background: var(--brand); color: #fff; border-radius: 16px 16px 0 0; border-bottom-color: var(--brand); font-family: var(--display); font-weight: 800; font-size: 18px; letter-spacing: 0; }
.compare tbody tr:last-child .us { border-bottom: 2px solid var(--brand); border-radius: 0 0 16px 16px; }
.mk { display: inline-block; width: 20px; height: 20px; vertical-align: -4px; margin-right: 10px; flex-shrink: 0; }
.mk-dc { border-radius: 50%; border: 2px solid var(--brand); box-shadow: inset 0 0 0 3px #fff, inset 0 0 0 5px var(--brand); }
.mk-c { border-radius: 50%; border: 2.5px solid var(--brand); }
.mk-tri { width: 0; height: 0; border-left: 10px solid transparent; border-right: 10px solid transparent; border-bottom: 17px solid #b8c1d3; }
.mk-x { position: relative; }
.mk-x::before, .mk-x::after { content: ""; position: absolute; left: 50%; top: 50%; width: 20px; height: 2.5px; background: #b8c1d3; border-radius: 2px; }
.mk-x::before { transform: translate(-50%, -50%) rotate(45deg); }
.mk-x::after { transform: translate(-50%, -50%) rotate(-45deg); }
.table-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin-top: 12px; }
.table-legend .mk { width: 14px; height: 14px; margin-right: 6px; vertical-align: -2px; }
.table-legend .mk-tri { width: 0; height: 0; border-left-width: 7px; border-right-width: 7px; border-bottom-width: 12px; }
.table-legend .mk-x::before, .table-legend .mk-x::after { width: 14px; }

/* ---------- course ---------- */
.plans { margin-top: 64px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 30px 32px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
.plan-featured { border: 2px solid var(--brand); box-shadow: 0 0 0 6px var(--brand-soft), var(--shadow-lg); }
.plan-badge { position: absolute; top: -14px; left: 30px; border-radius: 6px !important; background: var(--accent); color: var(--navy); font-weight: 900; font-size: 13px; padding: 5px 16px; border-radius: 999px; }
.plan-tag { font-size: 13px; font-weight: 700; color: var(--brand); }
.plan-name { margin-top: 6px; font-weight: 900; font-size: 22px; color: var(--ink); line-height: 1.5; }
.plan-price { margin-top: 20px; display: flex; align-items: baseline; gap: 6px; color: var(--ink); padding-bottom: 20px; border-bottom: 1px dashed var(--line-strong); }
.plan-price .num { font-family: var(--display); font-weight: 800; font-size: 76px; line-height: .95; letter-spacing: -.03em; }
.plan-price .unit { font-weight: 900; font-size: 22px; }
.plan-price .tax { font-weight: 700; font-size: 14px; color: var(--muted); margin-left: -2px; }
.plan-count { margin-top: 18px; font-weight: 700; color: var(--ink); font-size: 15px; }
.plan-count b { font-family: var(--display); font-weight: 800; font-size: 26px; color: var(--brand); margin: 0 2px; }
.plan-target { margin-top: 12px; font-size: 14px; line-height: 1.85; }
.plan-list { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.plan-list li { position: relative; padding-left: 26px; font-size: 14px; line-height: 1.75; }
.plan-list li::before { content: ""; position: absolute; left: 2px; top: .45em; width: 14px; height: 8px; border-left: 2.5px solid var(--brand); border-bottom: 2.5px solid var(--brand); transform: rotate(-45deg); }
.plan-detail { margin-top: auto; padding-top: 22px; }
.plan-detail dt { margin-top: 0; font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--muted); letter-spacing: .08em; }
.plan-detail dd { margin-top: 6px; padding: 14px 16px; background: var(--bg-soft); border-radius: 12px; font-size: 13px; line-height: 1.8; color: var(--ink); font-weight: 700; }
.plan-common { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; padding: 22px 28px; background: #fff; border-radius: 12px; border: 1px solid var(--line); }
.plan-common-h { font-weight: 900; font-size: 14px; color: var(--ink); }
.plan-common ul { display: flex; flex-wrap: wrap; gap: 8px 10px; }
.plan-common li { padding: 6px 14px; border-radius: 999px; background: var(--bg-tint); color: var(--ink); font-weight: 700; font-size: 13px; }
.plan-common .note { margin: 0 0 0 auto; }
@media (max-width: 960px) {
  .plans { grid-template-columns: 1fr; max-width: 560px; }
  .plan-featured { order: -1; }
  .plan-common .note { margin-left: 0; }
}

/* ---------- teacher ---------- */
.teacher-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.teacher-photo { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3.4; box-shadow: var(--shadow-lg); }
.teacher-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 40% center; }
.teacher-photo::after { content: ""; position: absolute; left: 0; bottom: 0; width: 42%; height: 8px; background: var(--accent); }
.teacher-body > p:not(.eyebrow) { margin-top: 18px; font-size: 15px; line-height: 2.05; }
.teacher-tags { margin: 28px 0 8px; display: flex; flex-wrap: wrap; gap: 10px; }
.teacher-tags li { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line-strong); font-weight: 700; font-size: 14px; color: var(--ink); }
.teacher-tags li:last-child { background: var(--navy); color: #fff; border-color: var(--navy); }
@media (max-width: 960px) { .teacher-inner { grid-template-columns: 1fr; gap: 44px; } }

/* ---------- flow ---------- */
.flow-list { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.flow-step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 30px; box-shadow: var(--shadow-sm); }
.flow-step:not(:last-child)::after { content: ""; position: absolute; right: -16px; top: 50%; width: 12px; height: 12px; border-top: 2.5px solid var(--brand); border-right: 2.5px solid var(--brand); transform: translateY(-50%) rotate(45deg); z-index: 1; }
.flow-no { font-family: var(--display); font-weight: 800; font-size: 44px; color: var(--brand); line-height: 1; }
.flow-step h3 { margin-top: 18px; font-weight: 900; font-size: 19px; color: var(--ink); }
.flow-step p { margin-top: 10px; font-size: 14px; line-height: 1.9; }
@media (max-width: 960px) {
  .flow-list { grid-template-columns: 1fr; max-width: 640px; }
  .flow-step:not(:last-child)::after { right: auto; left: 50%; top: auto; bottom: -17px; transform: translateX(-50%) rotate(135deg); }
}

/* ---------- faq ---------- */
.faq-inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; transition: border-color .3s, box-shadow .3s; }
.faq-item[open] { border-color: var(--brand); box-shadow: var(--shadow-sm); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 16px; padding: 22px 60px 22px 24px; position: relative; font-weight: 700; color: var(--ink); font-size: 16px; line-height: 1.6; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after, .faq-item summary::before { content: ""; position: absolute; right: 26px; top: 50%; width: 14px; height: 2px; background: var(--ink); transition: transform .35s var(--ease); }
.faq-item summary::before { transform: rotate(90deg); }
.faq-item[open] summary::before { transform: rotate(0deg); }
.q { flex-shrink: 0; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--navy); color: var(--accent); font-family: var(--display); font-weight: 800; font-size: 16px; }
.faq-a { padding: 0 24px 24px 74px; font-size: 15px; line-height: 2; }
@media (max-width: 960px) { .faq-inner { grid-template-columns: 1fr; gap: 36px; } }
@media (max-width: 480px) { .faq-a { padding-left: 24px; } .faq-item summary { font-size: 15px; } }

/* ---------- contact ---------- */
.contact { position: relative; background: var(--navy); padding: clamp(96px, 12vw, 150px) 0; overflow: hidden; }
.contact-glow { position: absolute; inset: 0; pointer-events: none; background:
  radial-gradient(600px 400px at 85% 40%, rgba(43,151,239,.22), transparent 70%),
  radial-gradient(500px 360px at 0% 100%, rgba(255,217,0,.14), transparent 70%); }
.contact-inner { position: relative; display: grid; grid-template-columns: 1.3fr .7fr; gap: 56px; align-items: center; }
.contact-lead { margin-top: 22px; color: rgba(255,255,255,.8); font-size: 16px; }
.contact-action { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.contact-note { font-size: 13px; color: rgba(255,255,255,.6); }
@media (max-width: 960px) { .contact-inner { grid-template-columns: 1fr; gap: 36px; } }
@media (max-width: 480px) { .contact-action .btn { width: 100%; padding: 22px 20px; font-size: 16px; } }

/* ---------- footer ---------- */
.site-footer { background: #001a29; color: rgba(255,255,255,.7); padding: 72px 0 40px; font-size: 14px; }
.footer-inner { display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap; }
.footer-logo { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 400; font-size: 24px; color: #fff; }
.footer-logo b { font-weight: 800; color: #fff; }
.footer-logo .logo-mark { width: 36px; height: 36px; }
.footer-desc { margin-top: 10px; color: rgba(255,255,255,.82); }
.footer-cols { display: flex; gap: 72px; flex-wrap: wrap; }
.footer-cols div { display: flex; flex-direction: column; gap: 12px; }
.footer-h { color: var(--accent); font-family: var(--display); font-weight: 700; letter-spacing: .16em; font-size: 12px; margin-bottom: 4px; }
.footer-cols a:hover { color: #fff; }
.footer-bottom { margin-top: 56px; font-size: 12px; }
.footer-bottom small { display: block; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); }

/* ---------- sticky CTA (mobile) ---------- */
.sticky-cta { display: none; }
@media (max-width: 767px) {
  .sticky-cta { display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); background: rgba(0,39,61,.92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); transform: translateY(110%); transition: transform .45s var(--ease); }
  .sticky-cta.is-visible { transform: translateY(0); }
  .sticky-cta .btn { width: 100%; padding: 16px 20px; font-size: 15px; }
  .site-footer { padding-bottom: 110px; }
}

/* ---------- reveal animation ---------- */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}