/* ==========================================================================
   PEP個別学習塾 - Site Stylesheet
   Warm & approachable design system
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Colors */
  --bg-cream: #FBF6EC;
  --bg-soft:  #F5EBD7;
  --bg-card:  #FFFFFF;
  --blue-deep:#1F4E8C;
  --blue:     #2E72B8;
  --blue-soft:#D9E7F5;
  --blue-tint:#EFF5FB;
  --orange:   #ED8A3F;
  --orange-deep:#D87026;
  --orange-soft:#FBD9B5;
  --orange-tint:#FDEED7;
  --marker:   #FFD786;
  --green:    #6DA868;
  --text:     #2A2620;
  --text-muted:#6B6055;
  --text-soft:#9B8E7E;
  --border:   #E8DEC8;
  --border-soft:#F0E8D5;

  /* Type */
  --font-display:'Zen Maru Gothic','Hiragino Maru Gothic ProN','Yu Gothic UI',system-ui,sans-serif;
  --font-body:'Noto Sans JP','Hiragino Sans','Yu Gothic UI',system-ui,sans-serif;
  --font-accent:'Caveat',cursive;
  --font-en:'Fraunces',Georgia,serif;

  /* Layout */
  --max-w: 1340px;
  --max-w-narrow: 880px;
  --radius-sm: 8px;
  --radius:    16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --pad-section: clamp(80px, 9vw, 128px);
  --gap-section: clamp(48px, 6vw, 80px);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(95, 70, 30, .06);
  --shadow:    0 8px 28px rgba(95, 70, 30, .08);
  --shadow-lg: 0 18px 50px rgba(95, 70, 30, .12);
  --shadow-blue: 0 12px 32px rgba(31, 78, 140, .18);

  /* Motion */
  --ease: cubic-bezier(.2,.7,.2,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-feature-settings: "palt";
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg-cream);
  background-image:
    radial-gradient(circle at 10% 0%, rgba(237,138,63,.06), transparent 40%),
    radial-gradient(circle at 90% 30%, rgba(46,114,184,.05), transparent 50%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img,svg,picture { display: block; max-width: 100%; height: auto; }
a { color: var(--blue-deep); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--orange-deep); }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
h1,h2,h3,h4,h5 { font-family: var(--font-display); font-weight: 700; line-height: 1.4; margin: 0; letter-spacing: .02em; }
p { margin: 0; }
ul,ol { margin: 0; padding: 0; list-style: none; }

/* ---------- Container ---------- */
.container { width: 100%; max-width: var(--max-w); padding-inline: 28px; margin-inline: auto; }
.container--narrow { max-width: var(--max-w-narrow); }

section { padding-block: var(--pad-section); position: relative; }
/* sections now have symmetric padding-block; total gap between sections is ample */

/* Section spacing modifiers */
.section--tight { padding-block: clamp(48px, 6vw, 72px); }
.section--cream { background: var(--bg-cream); }
.section--soft { background: var(--bg-soft); }
.section--card { background: var(--bg-card); }

/* Decorative divider you can drop between sections */
.section-divider {
  height: 1px; max-width: 100px; margin: 0 auto;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* Wave divider between background-colored sections */
.wave-divider { display: block; width: 100%; height: 48px; }
.wave-divider svg { display: block; width: 100%; height: 100%; }

/* Faint dotted background for accent areas */
.has-dots::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .35;
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 75%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 75%, transparent);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,246,236,.92);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--border-soft);
}
.site-header__inner {
  display: flex; align-items: center; gap: 16px;
  padding-block: 14px;
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; color: var(--text); flex-shrink: 0; line-height: 1.1; }
.brand__logo { display: block; max-height: 48px; width: auto; }
.brand__mark {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
  border-radius: 13px;
  display: grid; place-items: center;
  color: #fff; font-family: var(--font-en); font-weight: 600; font-size: 17px; letter-spacing: .04em;
  box-shadow: var(--shadow-blue);
  position: relative;
  flex-shrink: 0;
}
.brand__mark::after {
  content: ""; position: absolute; top: -5px; right: -5px; width: 14px; height: 14px;
  background: var(--orange); border-radius: 50%;
  box-shadow: 0 4px 10px rgba(237,138,63,.4);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.1; white-space: nowrap; }
.brand__name { font-size: 16px; }
.brand__sub { font-size: 9.5px; color: var(--text-muted); letter-spacing: .08em; font-family: var(--font-body); font-weight: 500; }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 0; }
.nav__link {
  display: inline-block; padding: 9px 11px;
  color: var(--text); font-weight: 500; font-size: 14px;
  border-radius: 10px;
  position: relative;
  white-space: nowrap;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav__link:hover { color: var(--blue-deep); background: var(--blue-tint); }
.nav__link.is-active { color: var(--blue-deep); font-weight: 700; }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 11px; right: 11px; bottom: 3px; height: 3px;
  background: var(--orange); border-radius: 3px;
}

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; font-weight: 700; border-radius: 999px; transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease); white-space: nowrap; font-size: 15px; }
.btn--primary { background: var(--orange); color: #fff; box-shadow: 0 8px 18px rgba(237,138,63,.35); }
.btn--primary:hover { background: var(--orange-deep); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 24px rgba(237,138,63,.45); }
.btn--ghost { background: transparent; color: var(--blue-deep); border: 1.5px solid var(--blue-deep); }
.btn--ghost:hover { background: var(--blue-deep); color: #fff; transform: translateY(-2px); }
.btn--blue { background: var(--blue-deep); color: #fff; }
.btn--blue:hover { background: var(--blue); color: #fff; transform: translateY(-2px); }
.btn--lg { padding: 16px 32px; font-size: 16px; }

.header-cta { display: flex; align-items: center; gap: 14px; flex-shrink: 0; margin-left: 6px; }
.header-tel { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.1; font-family: var(--font-en); white-space: nowrap; }
.header-tel__num { font-size: 17px; font-weight: 600; color: var(--blue-deep); letter-spacing: .02em; }
.header-tel__label { font-family: var(--font-body); font-size: 10.5px; color: var(--text-muted); margin-top: 2px; }
.header-cta .btn { padding: 11px 20px; font-size: 14px; }

/* Hamburger */
.hamburger { display: none; width: 44px; height: 44px; border-radius: 12px; background: var(--bg-card); box-shadow: var(--shadow-sm); position: relative; margin-left: auto; }
.hamburger span { display: block; position: absolute; left: 12px; right: 12px; height: 2px; background: var(--blue-deep); border-radius: 2px; transition: transform .25s var(--ease), opacity .2s var(--ease); }
.hamburger span:nth-child(1) { top: 15px; }
.hamburger span:nth-child(2) { top: 21px; }
.hamburger span:nth-child(3) { top: 27px; }
.hamburger.is-open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ---------- Footer ---------- */
.site-footer { background: var(--blue-deep); color: #E8EEF7; padding: 72px 0 28px; margin-top: 80px; position: relative; }
.site-footer::before {
  content: ""; position: absolute; top: -1px; left: 0; right: 0; height: 24px;
  background:
    radial-gradient(circle at 12px 24px, var(--blue-deep) 12px, transparent 13px) repeat-x;
  background-size: 24px 24px;
  transform: translateY(-99%);
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand .brand { color: #fff; }
.footer-brand .brand__name { color: #fff; }
.footer-brand .brand__sub { color: rgba(255,255,255,.65); }
.footer-brand__tagline { margin-top: 18px; font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.78); }
.footer-h { font-family: var(--font-display); font-size: 15px; color: #fff; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.18); }
.footer-list a { color: rgba(255,255,255,.78); font-size: 14px; line-height: 2.3; display: inline-block; }
.footer-list a:hover { color: var(--orange-soft); }
.footer-info { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.78); }
.footer-info strong { color: #fff; display: block; margin-bottom: 4px; font-weight: 500; }
.footer-tel { font-family: var(--font-en); font-size: 22px; color: var(--orange-soft); font-weight: 600; letter-spacing: .02em; }
.footer-social { display: flex; gap: 12px; margin-top: 14px; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255,255,255,.1); color: #fff; transition: background .2s var(--ease), transform .2s var(--ease);
}
.footer-social a:hover { background: var(--orange); transform: translateY(-2px); color: #fff; }
.footer-bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; align-items: center; gap: 20px; font-size: 12.5px; color: rgba(255,255,255,.55); }
.footer-bottom a { color: rgba(255,255,255,.7); }
.footer-bottom a:hover { color: var(--orange-soft); }

/* ---------- Section heading ---------- */
.sec-head { text-align: center; margin-bottom: 72px; }
.sec-head__eyebrow {
  display: block; align-items: center; gap: 12px;
  font-family: var(--font-en); font-weight: 600; letter-spacing: .24em;
  font-size: 13px; color: var(--orange-deep); margin-bottom: 16px;
  text-transform: uppercase;
}
.sec-head__eyebrow::before, .sec-head__eyebrow::after {
  content: ""; width: 32px; height: 1.5px; background: var(--orange);
}
.sec-head__title {
  font-size: clamp(28px, 4vw, 42px);
  color: var(--text);
  position: relative; display: inline-block;
  letter-spacing: .015em;
}
.sec-head__title em {
  font-style: normal; color: var(--blue-deep); position: relative; padding: 0 4px;
}
.sec-head__title em::after {
  content: ""; position: absolute; left: 2px; right: 2px; bottom: 4px; height: 14px;
  background: var(--marker); z-index: -1; border-radius: 2px;
  transform: rotate(-1deg);
}
.sec-head__lead { margin-top: 20px; color: var(--text-muted); font-size: 16px; max-width: 720px; margin-inline: auto; }

/* alignment variants */
.sec-head--left { text-align: left; }
.sec-head--left .sec-head__lead { margin-inline: 0; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 80px 0 100px;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 15% 80%, var(--orange-tint) 0%, transparent 35%),
    radial-gradient(circle at 85% 20%, var(--blue-soft) 0%, transparent 40%);
  z-index: 0;
}
.hero__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center;
}
.hero__handwritten {
  font-family: var(--font-accent); color: var(--orange-deep);
  font-size: 28px; line-height: 1; transform: rotate(-3deg);
  display: inline-block; margin-bottom: 16px;
}
.hero__title {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.3;
  letter-spacing: .02em;
  margin-bottom: 24px;
}
.hero__title .mark-blue, .hero__title .mark-orange {
  display: inline-block; position: relative; padding: 0 6px;
}
.hero__title .mark-blue { color: var(--blue-deep); }
.hero__title .mark-orange { color: var(--orange-deep); }
.hero__title .mark-blue::after, .hero__title .mark-orange::after {
  content: ""; position: absolute; left: 2px; right: 2px; bottom: 6px; height: 14px;
  z-index: -1; border-radius: 3px;
}
.hero__title .mark-blue::after { background: var(--blue-soft); transform: rotate(-1deg); }
.hero__title .mark-orange::after { background: var(--marker); transform: rotate(1deg); }
.hero__sub { font-size: 17px; line-height: 2; color: var(--text-muted); margin-bottom: 32px; max-width: 520px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__badges { display: flex; gap: 20px; margin-top: 36px; flex-wrap: wrap; }
.hero-badge {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; background: var(--bg-card); border-radius: 999px;
  box-shadow: var(--shadow-sm); font-size: 13.5px; font-weight: 500;
  border: 1px solid var(--border-soft);
}
.hero-badge svg { color: var(--orange); }

.hero__visual { position: relative; }
.hero__img-frame {
  position: relative; border-radius: var(--radius-xl);
  overflow: hidden; aspect-ratio: 4/5;
  box-shadow: var(--shadow-lg);
  transform: rotate(1.5deg);
}
.hero__img-frame img { width: 100%; height: 100%; object-fit: cover; }
.hero__sticker {
  position: absolute; top: -20px; right: -10px;
  width: 130px; height: 130px;
  background: var(--orange); border-radius: 50%;
  display: grid; place-items: center; color: #fff;
  text-align: center; line-height: 1.3;
  font-family: var(--font-display); font-weight: 700;
  font-size: 15px;
  box-shadow: 0 10px 24px rgba(237,138,63,.4);
  transform: rotate(-8deg);
  animation: float 4s var(--ease) infinite;
}
.hero__sticker span { font-family: var(--font-en); font-size: 26px; display: block; line-height: 1; margin-top: 4px; }
@keyframes float {
  0%,100% { transform: rotate(-8deg) translateY(0); }
  50%     { transform: rotate(-4deg) translateY(-8px); }
}
.hero__deco-leaf { position: absolute; left: -50px; bottom: -20px; opacity: .8; }

/* Hero strip */
.hero-strip-section {
  padding-block: 0 var(--gap-section) !important;
}
.hero-strip {
  margin-top: -50px; position: relative; z-index: 2;
}
.hero-strip__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.hero-strip__card {
  background: var(--bg-card); padding: 26px 24px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  display: flex; gap: 16px; align-items: flex-start;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
  border: 1px solid var(--border-soft);
}
.hero-strip__card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.hero-strip__icon {
  flex: 0 0 48px; width: 48px; height: 48px; border-radius: 14px;
  background: var(--orange-tint); color: var(--orange-deep);
  display: grid; place-items: center;
}
.hero-strip__h { font-family: var(--font-display); font-size: 16px; margin-bottom: 4px; color: var(--text); }
.hero-strip__p { font-size: 13.5px; color: var(--text-muted); line-height: 1.7; }

/* ---------- Page hero (sub pages) ---------- */
.page-hero {
  padding: 80px 0 60px; text-align: center; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, var(--blue-tint) 0%, transparent 100%);
  z-index: 0;
}
.page-hero__inner { position: relative; z-index: 1; }
.page-hero__eyebrow {
  font-family: var(--font-en); font-size: 13px; letter-spacing: .25em;
  color: var(--orange-deep); font-weight: 600;
}
.page-hero__title { font-size: clamp(30px, 4.5vw, 46px); margin: 12px 0 8px; }
.page-hero__lead { color: var(--text-muted); }

/* breadcrumb */
.crumbs { font-size: 12.5px; color: var(--text-muted); padding: 16px 0; }
.crumbs a { color: var(--text-muted); }
.crumbs a:hover { color: var(--orange-deep); }
.crumbs span { margin: 0 8px; color: var(--text-soft); }

/* ---------- Card components ---------- */
.card {
  background: var(--bg-card); border-radius: var(--radius-lg);
  padding: 32px; box-shadow: var(--shadow); border: 1px solid var(--border-soft);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--orange-soft); }
.card-grid { display: grid; gap: 24px; }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }

/* feature card with big number */
.feature-card {
  background: var(--bg-card); border-radius: var(--radius-lg);
  padding: 36px 28px; position: relative;
  box-shadow: var(--shadow); border: 1px solid var(--border-soft);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-card__num {
  font-family: var(--font-en); font-size: 62px; font-style: italic; line-height: .9;
  color: var(--orange); margin-bottom: 8px;
}
.feature-card__h { font-size: 19px; color: var(--text); margin-bottom: 12px; line-height: 1.5; }
.feature-card__p { color: var(--text-muted); font-size: 14.5px; line-height: 1.9; }

/* course card */
.course-card {
  background: var(--bg-card); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--border-soft);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  display: flex; flex-direction: column;
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.course-card__img {
  aspect-ratio: 16/10; overflow: hidden; position: relative;
}
.course-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.course-card:hover .course-card__img img { transform: scale(1.06); }
.course-card__tag {
  position: absolute; top: 14px; left: 14px;
  background: var(--orange); color: #fff;
  font-size: 12px; font-weight: 700; padding: 6px 12px;
  border-radius: 999px; box-shadow: 0 4px 10px rgba(237,138,63,.3);
}
.course-card__body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.course-card__h { font-size: 20px; margin-bottom: 12px; color: var(--text); }
.course-card__p { color: var(--text-muted); font-size: 14.5px; line-height: 1.9; flex: 1; }
.course-card__foot { margin-top: 20px; display: flex; align-items: center; justify-content: space-between; }
.course-card__price { font-family: var(--font-en); color: var(--blue-deep); font-weight: 600; }
.course-card__price b { font-size: 22px; }

/* arrow link */
.arrow-link { display: inline-flex; align-items: center; gap: 6px; color: var(--blue-deep); font-weight: 600; font-size: 14.5px; }
.arrow-link svg { transition: transform .2s var(--ease); }
.arrow-link:hover svg { transform: translateX(4px); }

/* ---------- Sections ---------- */

/* values (3 arrows) */
.values { background: linear-gradient(180deg, var(--bg-cream), var(--bg-soft) 100%); }
.values__lead {
  text-align: center; font-size: clamp(20px, 2.4vw, 26px);
  font-family: var(--font-display); color: var(--text);
  max-width: 720px; margin: 0 auto 40px;
  line-height: 1.7;
}
.values__lead em { font-style: normal; color: var(--orange-deep); position: relative; }
.values__lead em::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 8px; background: var(--marker); z-index: -1; border-radius: 2px; }
.values__statement { max-width: 760px; margin: 60px auto 0; text-align: center; }
.values__statement p { font-size: 15.5px; line-height: 2.1; color: var(--text-muted); margin-bottom: 18px; }
.values__statement strong { color: var(--orange-deep); background: linear-gradient(transparent 60%, var(--marker) 60%); padding: 0 4px; font-weight: 700; }

/* teacher */
.teacher { background: var(--bg-cream); position: relative; }
.teacher::before {
  content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 80%; max-width: 800px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.teacher__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; }
.teacher__photo { position: relative; }
.teacher__photo img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); aspect-ratio: 4/5; object-fit: cover; }
.teacher__photo::before {
  content: ""; position: absolute; inset: 12px -12px -12px 12px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--orange-tint) 0%, var(--orange-soft) 100%); z-index: -1;
}
.teacher__h { font-size: clamp(22px, 2.8vw, 30px); margin-bottom: 28px; color: var(--text); line-height: 1.6; }
.teacher__h::before { content: "「"; color: var(--orange); font-family: var(--font-display); }
.teacher__h::after { content: "」"; color: var(--orange); font-family: var(--font-display); }
.teacher__body p { font-size: 15.5px; line-height: 2.1; color: var(--text-muted); margin-bottom: 18px; }
.teacher__sign { display: flex; align-items: center; gap: 12px; margin-top: 28px; }
.teacher__sign-label { font-size: 13px; color: var(--text-soft); }
.teacher__sign-name { font-family: var(--font-display); font-size: 22px; color: var(--text); font-weight: 700; }
.teacher__sign-name::before { content: "—— "; color: var(--orange); }

/* stats */
.stats { background: var(--blue-deep); color: #fff; padding-block: clamp(80px, 9vw, 120px); position: relative; overflow: hidden; }
.stats::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 10% 10%, rgba(255,255,255,.07) 0%, transparent 30%),
                    radial-gradient(circle at 90% 90%, rgba(237,138,63,.15) 0%, transparent 30%);
}
.stats::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 24px;
  background:
    radial-gradient(circle at 12px 0, var(--bg-cream) 12px, transparent 13px) repeat-x;
  background-size: 24px 24px;
  background-position: 0 100%;
}
.stats__inner { position: relative; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
.stat { text-align: center; }
.stat__num {
  font-family: var(--font-en); font-style: italic; font-weight: 600;
  font-size: clamp(40px, 5vw, 64px); color: var(--orange-soft); line-height: 1;
}
.stat__unit { font-family: var(--font-en); font-size: 22px; color: var(--orange-soft); }
.stat__label { font-size: 14px; color: rgba(255,255,255,.85); margin-top: 8px; }
.stats__title { text-align: center; margin-bottom: 50px; }
.stats__title .sec-head__eyebrow { color: var(--orange-soft); }
.stats__title .sec-head__eyebrow::before, .stats__title .sec-head__eyebrow::after { background: var(--orange-soft); }
.stats__title .sec-head__title { color: #fff; }
.stats__title .sec-head__title em { color: var(--orange-soft); }
.stats__title .sec-head__title em::after { background: rgba(237,138,63,.3); }

/* points (3 strengths) */
.points__block + .points__block { margin-top: 96px; }
.points__row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.points__row.is-reverse .points__media { order: 2; }
.points__media { position: relative; }
.points__media img { border-radius: var(--radius-lg); aspect-ratio: 5/4; object-fit: cover; box-shadow: var(--shadow); }
.points__media-num {
  position: absolute; top: -28px; left: -16px;
  font-family: var(--font-en); font-style: italic; font-weight: 700;
  font-size: 120px; color: var(--orange); opacity: .85; line-height: 1;
  text-shadow: 0 4px 20px rgba(237,138,63,.25);
}
.points__content { }
.points__label { display: inline-block; background: var(--blue-soft); color: var(--blue-deep); font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; letter-spacing: .15em; }
.points__h { font-size: clamp(24px, 3vw, 34px); margin: 14px 0 20px; line-height: 1.5; }
.points__h em { font-style: normal; color: var(--orange-deep); position: relative; padding: 0 4px; }
.points__h em::after { content: ""; position: absolute; left: 2px; right: 2px; bottom: 4px; height: 10px; background: var(--marker); z-index: -1; border-radius: 2px; }
.points__p { color: var(--text-muted); font-size: 15.5px; line-height: 2; margin-bottom: 16px; }
.points__list { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 24px; }
.points__chip { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; background: var(--bg-card); border-radius: 999px; border: 1.5px solid var(--orange-soft); font-size: 14px; font-weight: 600; color: var(--orange-deep); }

/* tables */
.price-table-wrap { background: var(--bg-card); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); overflow-x: auto; }
.price-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.price-table thead th { background: var(--blue-tint); color: var(--blue-deep); font-weight: 700; padding: 18px 16px; font-size: 14px; }
.price-table thead th:first-child { border-radius: 12px 0 0 12px; }
.price-table thead th:last-child { border-radius: 0 12px 12px 0; }
.price-table tbody th, .price-table tbody td { padding: 18px 16px; border-bottom: 1px dashed var(--border); text-align: center; font-size: 15px; }
.price-table tbody th { background: var(--bg-cream); font-family: var(--font-display); color: var(--text); font-weight: 700; text-align: left; padding-left: 24px; border-radius: 0; }
.price-table tbody tr:last-child th, .price-table tbody tr:last-child td { border-bottom: 0; }
.price-table tbody td b { font-family: var(--font-en); font-size: 22px; color: var(--blue-deep); font-weight: 600; }
.price-table tbody td .yen { font-size: 14px; color: var(--text-muted); margin-left: 2px; }
.price-note { font-size: 13px; color: var(--text-muted); margin-top: 16px; line-height: 1.9; }

/* discount cards */
.discounts { background: linear-gradient(180deg, var(--blue-deep), #18416f); color: #fff; padding-block: 80px; position: relative; overflow: hidden; }
.discounts::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(45deg, rgba(255,255,255,.02) 0 2px, transparent 2px 80px);
}
.discounts__inner { position: relative; }
.discounts .sec-head__title { color: #fff; }
.discounts .sec-head__title em { color: var(--orange-soft); }
.discounts .sec-head__title em::after { background: rgba(237,138,63,.3); }
.discount-card {
  background: var(--bg-card); color: var(--text);
  border-radius: var(--radius-lg); padding: 32px 28px;
  position: relative; box-shadow: 0 18px 40px rgba(0,0,0,.18);
  text-align: center;
  border-top: 6px solid var(--orange);
}
.discount-card__tag {
  position: absolute; top: -16px; left: 50%; transform: translateX(-50%);
  background: var(--orange); color: #fff;
  padding: 8px 20px; border-radius: 999px; font-size: 12.5px; font-weight: 700;
  letter-spacing: .1em;
}
.discount-card__icon { width: 56px; height: 56px; border-radius: 18px; background: var(--orange-tint); color: var(--orange-deep); display: grid; place-items: center; margin: 12px auto 18px; }
.discount-card__h { font-size: 20px; margin-bottom: 12px; color: var(--blue-deep); }
.discount-card__p { color: var(--text-muted); font-size: 14.5px; line-height: 1.9; }
.discount-card__bonus { font-family: var(--font-en); color: var(--orange-deep); font-size: 32px; font-weight: 700; line-height: 1; margin-top: 16px; }

/* results */
.results-list { display: grid; gap: 18px; }
.result-row {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 26px 30px; box-shadow: var(--shadow-sm);
  border-left: 5px solid var(--orange);
  display: grid; grid-template-columns: 130px 1fr; gap: 28px; align-items: start;
}
.result-row__label { display: inline-flex; flex-direction: column; gap: 4px; align-items: flex-start; }
.result-row__cat { font-size: 11.5px; font-weight: 700; color: #fff; background: var(--blue-deep); padding: 4px 10px; border-radius: 999px; letter-spacing: .1em; }
.result-row__count { font-family: var(--font-en); font-size: 24px; color: var(--orange-deep); font-weight: 600; line-height: 1; }
.result-row__count small { font-size: 13px; color: var(--text-muted); font-family: var(--font-body); }
.result-row__schools { color: var(--text); font-size: 14.5px; line-height: 2; }
.result-row__schools span { display: inline-block; padding: 2px 10px; margin: 3px 4px 3px 0; background: var(--blue-tint); border-radius: 6px; font-size: 13.5px; }

.year-tab { display: flex; gap: 10px; margin-bottom: 32px; justify-content: center; flex-wrap: wrap; }
.year-tab button {
  padding: 10px 22px; border-radius: 999px; background: var(--bg-card);
  color: var(--text); border: 1.5px solid var(--border); font-weight: 700; font-size: 14px;
  transition: all .2s var(--ease);
}
.year-tab button.is-active { background: var(--blue-deep); color: #fff; border-color: var(--blue-deep); }
.year-tab button:hover { border-color: var(--blue-deep); color: var(--blue-deep); }
.year-tab button.is-active:hover { color: #fff; }

/* voices */
.voices { background: var(--bg-soft); }
.voice-card {
  background: var(--bg-card); border-radius: var(--radius-lg); padding: 30px 28px;
  box-shadow: var(--shadow); border: 1px solid var(--border-soft); position: relative;
}
.voice-card::before {
  content: """; font-family: var(--font-en); position: absolute; top: 4px; left: 22px;
  font-size: 80px; color: var(--orange-soft); line-height: 1; font-style: italic;
}
.voice-card__h { font-size: 18px; margin-bottom: 14px; color: var(--blue-deep); padding-top: 24px; position: relative; }
.voice-card__p { font-size: 14.5px; line-height: 2; color: var(--text-muted); }
.voice-card__foot { margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--border); display: flex; align-items: center; gap: 12px; }
.voice-card__avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--blue-tint); display: grid; place-items: center; font-family: var(--font-display); color: var(--blue-deep); font-weight: 700; }
.voice-card__name { font-weight: 700; font-size: 14px; }
.voice-card__role { font-size: 12.5px; color: var(--text-soft); }

/* flow */
.flow {
  background: linear-gradient(180deg, var(--bg-cream) 0%, var(--bg-soft) 100%);
  position: relative;
}
.flow::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(46,114,184,.08) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  opacity: .6;
}
.flow > .container { position: relative; }
.flow__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.flow__grid::before {
  content: ""; position: absolute; top: 36px; left: 6%; right: 6%; height: 2px;
  background: linear-gradient(90deg, var(--orange) 0%, var(--blue) 100%);
  z-index: 0; border-radius: 2px;
  background-image: repeating-linear-gradient(90deg, var(--orange) 0 6px, transparent 6px 12px);
}
.flow-step { background: var(--bg-card); border-radius: var(--radius-lg); padding: 28px 22px; text-align: center; box-shadow: var(--shadow); position: relative; z-index: 1; border: 1px solid var(--border-soft); transition: transform .25s var(--ease); }
.flow-step:hover { transform: translateY(-4px); }
.flow-step__num {
  width: 64px; height: 64px; border-radius: 50%; background: #fff;
  border: 3px solid var(--orange); margin: -50px auto 16px;
  display: grid; place-items: center;
  font-family: var(--font-en); font-style: italic; font-weight: 700;
  font-size: 26px; color: var(--orange-deep);
  box-shadow: 0 6px 14px rgba(237,138,63,.18);
}
.flow-step__h { font-size: 17px; margin-bottom: 10px; color: var(--text); }
.flow-step__p { font-size: 13.5px; color: var(--text-muted); line-height: 1.9; }

/* faq */
.faq-category { font-family: var(--font-display); color: var(--blue-deep); font-size: 18px; margin: 40px 0 16px; padding-left: 14px; border-left: 4px solid var(--orange); }
.faq-list { display: grid; gap: 14px; }
.faq-item { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border-soft); overflow: hidden; }
.faq-item summary { padding: 20px 56px 20px 24px; cursor: pointer; list-style: none; font-weight: 700; position: relative; font-size: 15.5px; color: var(--text); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "Q"; display: inline-grid; place-items: center;
  width: 30px; height: 30px; border-radius: 50%; background: var(--blue-deep); color: #fff;
  font-family: var(--font-en); font-weight: 700; margin-right: 14px; vertical-align: -8px; font-style: italic;
}
.faq-item summary::after {
  content: ""; position: absolute; right: 24px; top: 50%; width: 12px; height: 12px;
  border-right: 2.5px solid var(--orange); border-bottom: 2.5px solid var(--orange);
  transform: translateY(-75%) rotate(45deg); transition: transform .25s var(--ease);
}
.faq-item[open] summary::after { transform: translateY(-25%) rotate(-135deg); }
.faq-item__body { padding: 4px 24px 24px 68px; color: var(--text-muted); font-size: 14.5px; line-height: 1.95; position: relative; }
.faq-item__body::before {
  content: "A"; position: absolute; left: 24px; top: 0;
  width: 30px; height: 30px; border-radius: 50%; background: var(--orange); color: #fff;
  font-family: var(--font-en); font-weight: 700; display: grid; place-items: center; font-style: italic;
}

/* access */
.access__grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: stretch; }
.access__info { background: var(--bg-card); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); }
.access__info dt { font-family: var(--font-display); font-size: 13.5px; color: var(--orange-deep); margin-top: 18px; letter-spacing: .08em; }
.access__info dt:first-of-type { margin-top: 0; }
.access__info dd { margin: 4px 0 0; font-size: 15.5px; color: var(--text); line-height: 1.8; padding-bottom: 16px; border-bottom: 1px dashed var(--border); }
.access__info dd:last-of-type { border: 0; }
.access__map { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/3; }
.access__map iframe { width: 100%; height: 100%; border: 0; }

/* contact form */
.contact-form { background: var(--bg-card); border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 48px); box-shadow: var(--shadow); }
.field { display: grid; gap: 8px; margin-bottom: 22px; }
.field label { font-family: var(--font-display); font-size: 14.5px; color: var(--text); font-weight: 700; display: inline-flex; align-items: center; gap: 8px; }
.field label .req { display: inline-block; background: var(--orange); color: #fff; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 700; }
.field label .opt { display: inline-block; background: var(--bg-soft); color: var(--text-muted); padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.field input, .field textarea, .field select {
  width: 100%; padding: 14px 16px; border-radius: 12px; border: 1.5px solid var(--border);
  font-family: inherit; font-size: 15px; background: var(--bg-cream); color: var(--text);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: 0; border-color: var(--blue-deep); background: #fff;
}
.field textarea { resize: vertical; min-height: 140px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form__agree { font-size: 13.5px; color: var(--text-muted); margin: 12px 0 24px; }
.contact-form__submit { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* CTA banner */
.cta-banner {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-deep) 100%);
  color: #fff; border-radius: var(--radius-xl);
  padding: clamp(40px, 6vw, 64px); text-align: center; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 15% 80%, rgba(255,255,255,.18), transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(255,255,255,.15), transparent 40%);
}
.cta-banner__h { font-size: clamp(24px, 3.4vw, 36px); margin-bottom: 14px; position: relative; }
.cta-banner__p { font-size: 16px; opacity: .95; margin-bottom: 28px; position: relative; }
.cta-banner__buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; }
.cta-banner__buttons .btn--primary { background: #fff; color: var(--orange-deep); }
.cta-banner__buttons .btn--primary:hover { background: var(--bg-cream); color: var(--orange-deep); }
.cta-banner__buttons .btn--ghost { color: #fff; border-color: rgba(255,255,255,.6); }
.cta-banner__buttons .btn--ghost:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; }

/* blog teaser */
.blog-section { background: var(--bg-cream); position: relative; }
.blog-section::after {
  content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 60%; max-width: 600px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.blog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.blog-card {
  background: var(--bg-card); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border-soft);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
  display: flex; flex-direction: column;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.blog-card__img { aspect-ratio: 4/3; overflow: hidden; }
.blog-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); }
.blog-card:hover .blog-card__img img { transform: scale(1.06); }
.blog-card__body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.blog-card__meta { font-family: var(--font-en); font-size: 12.5px; color: var(--orange-deep); font-weight: 600; letter-spacing: .08em; margin-bottom: 8px; }
.blog-card__h { font-size: 15px; line-height: 1.6; color: var(--text); flex: 1; font-family: var(--font-display); }

/* Background variants for sections */
.section--alt {
  background: var(--bg-cream);
  position: relative;
}
.section--alt::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 20%, var(--border) 50%, transparent 80%);
}
.courses { background: var(--bg-cream); position: relative; }
.points { background: linear-gradient(180deg, transparent 0%, var(--bg-cream) 100%); }

/* Two-column lists */
.simple-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.simple-list-item {
  background: var(--bg-card); padding: 22px 24px; border-radius: var(--radius);
  box-shadow: var(--shadow-sm); display: flex; gap: 16px; align-items: flex-start;
  border-left: 4px solid var(--orange);
}
.simple-list-item__icon { color: var(--orange); flex: 0 0 auto; margin-top: 2px; }
.simple-list-item__h { font-size: 15.5px; font-family: var(--font-display); margin-bottom: 4px; }
.simple-list-item__p { font-size: 13.5px; color: var(--text-muted); line-height: 1.8; }

/* center-aligned helper */
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }
.mt-24 { margin-top: 24px; }
.mb-24 { margin-bottom: 24px; }

/* fade-in scroll animation */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 1240px) {
  /* tablet header: trim down to prevent wrapping */
  .site-header__inner { gap: 12px; }
  .brand__sub { display: none; }
  .brand__name { font-size: 15.5px; }
  .nav__link { padding: 8px 8px; font-size: 13px; }
  .header-tel__label { display: none; }
  .header-tel__num { font-size: 16px; }
  .header-cta .btn { padding: 10px 16px; font-size: 13.5px; }
}
@media (max-width: 1080px) {
  /* compact: hide nav text labels' text-CTA, prioritize hamburger early */
  .nav, .header-tel { display: none; }
  .hamburger { display: block; }
  .header-cta { margin-left: auto; }

  /* mobile nav slide */
  .nav.is-open {
    display: block; position: fixed; top: 70px; left: 0; right: 0; bottom: 0;
    background: var(--bg-cream); padding: 24px; overflow-y: auto;
    z-index: 60; border-top: 1px solid var(--border-soft);
  }
  .nav.is-open .nav__list { flex-direction: column; align-items: stretch; gap: 6px; }
  .nav.is-open .nav__link { padding: 16px 18px; font-size: 16px; border-radius: 12px; background: var(--bg-card); box-shadow: var(--shadow-sm); }
  .nav.is-open .nav__link.is-active { background: var(--blue-tint); }
  .nav.is-open .nav__link.is-active::after { display: none; }
  body.nav-open { overflow: hidden; }
}
@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .points__row { grid-template-columns: 1fr; gap: 30px; }
  .points__row.is-reverse .points__media { order: 0; }
  .points__media-num { font-size: 84px; top: -16px; left: -8px; }
  .teacher__grid { grid-template-columns: 1fr; gap: 36px; }
  .access__grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__sticker { width: 100px; height: 100px; font-size: 13px; top: -10px; right: -5px; }
  .hero__sticker span { font-size: 22px; }
  .card-grid--3 { grid-template-columns: 1fr; }
  .card-grid--2 { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 15px; }
  .header-cta .btn { padding: 8px 14px; font-size: 13px; }
  .site-header__inner { padding-block: 10px; gap: 12px; }

  .hero { padding: 40px 0 80px; }
  .hero__title { font-size: clamp(28px, 7vw, 38px); }
  .hero-strip__grid { grid-template-columns: 1fr; }
  .hero-strip { margin-top: 30px; }

  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .flow__grid { grid-template-columns: 1fr; gap: 50px; }
  .flow__grid::before { display: none; }
  .flow-step { padding-top: 40px; }
  .flow-step__num { margin-top: -54px; }
  .blog-grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .stat__num { font-size: 36px; }
  .result-row { grid-template-columns: 1fr; gap: 12px; padding: 22px 24px; }
  .field-row { grid-template-columns: 1fr; }
  .simple-grid { grid-template-columns: 1fr; }
  section { padding-block: 60px; }
  .site-footer { padding: 56px 0 24px; }
}