/* =========================================================
   誠心空手道場 — スタイルシート
   配色: 墨黒 × 生成り × 朱赤（道着・帯・日本の伝統色）
   ========================================================= */

:root {
  --ink:        #14110f;   /* 墨黒 */
  --ink-2:      #211c19;
  --ink-3:      #2d2722;
  --paper:      #faf8f4;   /* 生成り（明るめ） */
  --paper-2:    #f1ece4;
  --crimson:    #2c8049;   /* 安心の緑（メインアクセント） */
  --crimson-d:  #22643a;
  --gold:       #d8b264;   /* 差し色（明るめ） */
  --muted:      #6b625b;
  --line:       rgba(20, 17, 15, .12);
  --line-d:     rgba(255, 255, 255, .14);

  --font-sans: "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Noto Serif JP", "Yu Mincho", serif;

  --maxw: 1120px;
  --radius: 14px;
  --shadow: 0 18px 50px -24px rgba(20, 17, 15, .35);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- リセット ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.85;
  font-weight: 400;
  letter-spacing: .02em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: min(100% - 48px, var(--maxw));
  margin-inline: auto;
}
.container-narrow { --maxw: 800px; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: .95em 2em;
  font-weight: 700;
  font-size: .98rem;
  letter-spacing: .04em;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s, color .25s, box-shadow .25s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--crimson);
  color: #fff;
  box-shadow: 0 14px 30px -12px rgba(44, 128, 73, .5);
}
.btn-primary:hover { background: var(--crimson-d); }
.btn-ghost {
  border-color: rgba(255, 255, 255, .55);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: var(--paper-2); }
.btn-lg { padding: 1.15em 2.6em; font-size: 1.05rem; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 18px 0;
  transition: background .3s, padding .3s, box-shadow .3s;
}
.site-header.scrolled {
  background: rgba(247, 244, 239, .92);
  backdrop-filter: blur(10px);
  padding: 10px 0;
  box-shadow: 0 1px 0 var(--line);
}
.header-inner { display: flex; align-items: center; gap: 18px; }
.header-inner .brand { margin-right: auto; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 48px; height: 48px;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
  border: 2px solid var(--gold);
  box-shadow: 0 0 0 3px rgba(255,255,255,.6), 0 6px 16px -6px rgba(0,0,0,.35);
  flex: none;
  display: block;
}
/* LINE ボタン */
.btn-line { background: #06C755; color: #fff; }
.btn-line:hover { background: #05a648; }
.btn-line::before { content: "💬"; margin-right: .15em; font-size: .95em; }
.about-cta .btn + .btn { margin-top: 10px; }

/* 折り返しを整えて読みやすく（特にスマホ。1行に1単語だけ落ちる等を防ぐ） */
.section-title, .section-desc, .hero-eyebrow, .hero-lead,
.slogan-sub, .slogan-lead, .slogan-main, .cta-title, .cta-lead,
.why-lead, .why-answer, .why-answer-sub, .why-future,
.karate-intro-lead p, .karate-intro-foot, .about-catch,
.belt-goal-title, .voice-card blockquote { text-wrap: balance; word-break: auto-phrase; }
p, .about-lead p, dd { text-wrap: pretty; word-break: auto-phrase; }
/* 日本語が単語の途中で折り返すのを防ぐ補助（句のまとまりを改行禁止に） */
.nb { white-space: nowrap; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-family: var(--font-serif); font-weight: 700; font-size: 1.15rem; color: #fff; }
.brand-sub { font-size: .62rem; letter-spacing: .22em; color: rgba(255,255,255,.7); }
.scrolled .brand-name { color: var(--ink); }
.scrolled .brand-sub { color: var(--muted); }

.nav { display: flex; align-items: center; gap: 28px; }
.nav a { font-size: .92rem; font-weight: 500; color: #fff; transition: color .2s; }
.nav a:hover { color: var(--gold); }
.scrolled .nav a { color: var(--ink); }
.scrolled .nav a:hover { color: var(--crimson); }
.nav .nav-cta {
  background: var(--crimson);
  color: #fff !important;
  padding: .6em 1.3em;
  border-radius: 999px;
  font-weight: 700;
}
.nav .nav-cta:hover { background: var(--crimson-d); }
.nav-lang {
  font-weight: 700; font-size: .8rem; letter-spacing: .06em;
  border: 1.5px solid currentColor;
  border-radius: 999px;
  padding: .3em .85em;
}
.nav-lang:hover { color: var(--crimson) !important; }

/* 言語切替（常に見える・スマホでもハンバーガー外に表示） */
.lang-switch {
  flex: none;
  font-weight: 700; font-size: .8rem; letter-spacing: .06em;
  border: 1.5px solid currentColor; border-radius: 999px;
  padding: .38em .9em; color: #fff; white-space: nowrap;
  transition: color .2s, background .2s, border-color .2s;
}
.lang-switch:hover { color: var(--crimson); }
.scrolled .lang-switch { color: var(--ink); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px; height: 44px;
  background: none; border: none; cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle span {
  width: 24px; height: 2px; background: #fff;
  transition: transform .3s var(--ease), opacity .3s;
}
.scrolled .nav-toggle span { background: var(--ink); }

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  color: #fff;
  background:
    radial-gradient(120% 90% at 80% 10%, rgba(216,178,100,.16), transparent 55%),
    linear-gradient(160deg, #34291f 0%, #251c16 55%, #1a130e 100%);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  z-index: 1;
  background-image: radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}
/* ヘッダー画像レイヤー（images/hero.jpg を入れたら opacity を 1 に） */
.hero-media {
  position: absolute; inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(15,12,11,.42), rgba(15,12,11,.52)),
    url("../images/hero.jpg");
  background-size: cover;
  background-position: center;
  opacity: 1;
}
.hero-kanji {
  position: absolute;
  z-index: 1;
  right: -4%;
  bottom: -12%;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(20rem, 50vw, 46rem);
  line-height: 1;
  color: rgba(255, 255, 255, .035);
  user-select: none;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; padding: 120px 0 90px; }
.hero-eyebrow {
  font-family: var(--font-serif);
  color: var(--gold);
  letter-spacing: .28em;
  font-size: 1rem;
  margin-bottom: 22px;
  opacity: 0;
  animation: rise .9s var(--ease) .1s forwards;
}
.hero-style {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(.88rem, 2vw, 1.1rem);
  color: var(--gold);
  letter-spacing: .14em;
  margin-bottom: 12px;
}
.hero-title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 1.18;
  letter-spacing: .04em;
  margin-bottom: 24px;
}
.hero-title span { display: block; opacity: 0; animation: rise .9s var(--ease) forwards; }
.hero-title span:nth-child(1) { animation-delay: .25s; }
.hero-title span:nth-child(2) { animation-delay: .4s; color: var(--gold); }
.hero-lead {
  max-width: 40ch;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, .85);
  margin-bottom: 40px;
  opacity: 0;
  animation: rise .9s var(--ease) .55s forwards;
}
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 16px;
  margin-bottom: 64px;
  opacity: 0;
  animation: rise .9s var(--ease) .7s forwards;
}
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 44px;
  border-top: 1px solid var(--line-d);
  padding-top: 32px;
  opacity: 0;
  animation: rise .9s var(--ease) .85s forwards;
}
.hero-stats .stat-num {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.3rem;
}
.hero-stats em { font-style: normal; color: var(--gold); font-size: 1.9rem; }
.hero-stats .stat-label { font-size: .82rem; color: rgba(255,255,255,.65); }

/* 中央寄せヘッダー（背景写真の上に文字を重ねる） */
.hero-frame {
  max-width: 840px;
  margin: 0 auto;
  text-align: center;
  padding: clamp(34px, 5vw, 60px);
  border: 1px solid rgba(255, 255, 255, .32);
  border-radius: 4px;
  background: rgba(13, 11, 10, .26);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}
.hero-frame .hero-badges { justify-content: center; }
.hero-frame .hero-lead { margin-inline: auto; }
.hero-frame .hero-actions { justify-content: center; }
.hero-frame .hero-stats { justify-content: center; }

/* メンバー大募集中バナー */
.hero-recruit {
  display: inline-block;
  background: var(--gold);
  color: #1a130e;
  font-weight: 900;
  font-size: clamp(1rem, 2.4vw, 1.3rem);
  letter-spacing: .06em;
  padding: .5em 1.5em;
  border-radius: 999px;
  margin-bottom: 18px;
  box-shadow: 0 10px 26px -10px rgba(216, 178, 100, .65);
  animation: recruitPulse 2s ease-in-out infinite;
}
@keyframes recruitPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.04); } }
@media (prefers-reduced-motion: reduce) { .hero-recruit { animation: none; } }

.hero-scroll {
  position: absolute;
  left: 50%; bottom: 26px;
  transform: translateX(-50%);
  writing-mode: vertical-rl;
  letter-spacing: .3em;
  font-size: .68rem;
  color: rgba(255,255,255,.6);
  z-index: 2;
}
.hero-scroll::after {
  content: "";
  display: block;
  width: 1px; height: 40px;
  margin: 10px auto 0;
  background: linear-gradient(rgba(255,255,255,.6), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes rise { to { opacity: 1; transform: translateY(0); } }
.hero-eyebrow, .hero-title span, .hero-lead, .hero-actions, .hero-stats { transform: translateY(24px); }
@keyframes scrollLine { 0%,100% { opacity: .3; transform: scaleY(.5); } 50% { opacity: 1; transform: scaleY(1); } }

/* ---------- セクション共通 ---------- */
.section { padding: clamp(72px, 11vw, 130px) 0; }
.section-soft { background: var(--paper-2); }
.section-dark { background: var(--ink); color: var(--paper); }

.section-head { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .35em;
  color: var(--crimson);
  font-weight: 700;
  margin-bottom: 14px;
}
.section-dark .section-tag { color: var(--gold); }
.section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  letter-spacing: .06em;
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: "";
  display: block;
  width: 46px; height: 3px;
  background: var(--crimson);
  margin: 18px auto 0;
}
.section-dark .section-title::after { background: var(--gold); }
.section-desc { margin-top: 18px; color: var(--muted); font-size: .95rem; }
.section-dark .section-desc { color: rgba(255,255,255,.7); }

/* ---------- 道場について ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  align-items: center;
}
.about-cta {
  margin-top: 30px;
  background: linear-gradient(135deg, #eaf3ec, #dbeadf);
  border: 1px solid rgba(44, 128, 73, .25);
  border-radius: var(--radius);
  padding: 24px 26px;
}
.about-cta-text {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.08rem;
  margin-bottom: 16px;
  color: var(--ink);
}
.about-cta-text strong { color: var(--crimson); }
.about-cta-btn { width: 100%; justify-content: center; }
.about-cta-note {
  font-size: .82rem;
  color: var(--muted);
  margin-top: 12px;
  text-align: center;
}
.about-catch {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.5;
  margin-bottom: 24px;
  color: var(--ink);
}
.about-lead p + p { margin-top: 18px; }
.about-lead strong { color: var(--crimson); font-weight: 700; }

.about-points { display: grid; gap: 20px; }
.about-points li {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 26px 26px 78px;
  box-shadow: var(--shadow);
}
.about-point-num {
  position: absolute;
  left: 24px; top: 26px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--crimson);
  opacity: .8;
}
.about-points h3 { font-size: 1.1rem; margin-bottom: 6px; }
.about-points p { font-size: .92rem; color: var(--muted); }

/* ---------- スローガン（入会のお誘い） ---------- */
.slogan-band {
  background:
    radial-gradient(120% 140% at 50% 0%, rgba(216, 178, 100, .18), transparent 60%),
    linear-gradient(135deg, var(--crimson), var(--crimson-d));
  color: #fff;
  text-align: center;
  padding: 60px 0;
}

/* ---------- 無料体験会バンド ---------- */
.trial-band {
  background:
    radial-gradient(120% 140% at 50% 0%, rgba(216, 178, 100, .20), transparent 60%),
    linear-gradient(135deg, var(--crimson), var(--crimson-d));
  color: #fff;
  padding: 66px 0;
}
.trial-inner { max-width: 840px; margin: 0 auto; text-align: center; }
.trial-eyebrow { color: var(--gold); font-weight: 700; letter-spacing: .08em; margin: 0 0 12px; }
.trial-title {
  font-family: var(--font-serif); font-weight: 700;
  font-size: clamp(1.6rem, 5vw, 2.4rem); line-height: 1.4; margin: 0 0 14px;
}
.trial-em { color: var(--gold); }
.trial-lead { color: rgba(255,255,255,.92); line-height: 1.9; margin: 0 0 26px; }
.trial-points {
  list-style: none; padding: 0; margin: 0 auto 30px;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 18px;
  max-width: 700px; text-align: left;
}
.trial-points li {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.24);
  border-radius: 999px; padding: 11px 18px; font-weight: 600; font-size: .95rem;
}
.trial-points li span { font-size: 1.2rem; line-height: 1; }
.trial-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; }
.trial-note { color: rgba(255,255,255,.82); font-size: .85rem; margin: 0; }
@media (max-width: 560px) { .trial-points { grid-template-columns: 1fr; max-width: 360px; } }
.slogan-inner { display: grid; justify-items: center; gap: 8px; }
.slogan-sub {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1rem, 2.6vw, 1.3rem);
  letter-spacing: .06em;
  color: var(--gold);
  margin-bottom: 2px;
}
.slogan-lead {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.9vw, 1.45rem);
  line-height: 1.7;
  color: #fff;
  margin-bottom: 14px;
}
.br-sp { display: none; }
.slogan-main {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.55rem, 4.8vw, 2.5rem);
  line-height: 1.55;
  color: #fff;
  margin-bottom: 26px;
  text-shadow: 0 2px 14px rgba(0, 0, 0, .18);
}
.slogan-strong {
  color: var(--gold);
  border-bottom: 3px solid var(--gold);
  padding-bottom: 2px;
  white-space: nowrap;
}

/* ---------- 空手とは ---------- */
.karate-intro-lead { text-align: center; max-width: 760px; margin: 0 auto 36px; }
.karate-intro-lead p { font-size: 1.02rem; line-height: 1.95; }
.karate-intro-lead p + p { margin-top: 16px; }
.karate-intro-lead strong { color: var(--crimson); font-weight: 700; }
.karate-intro-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-bottom: 28px;
}
.ki-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px 26px;
  box-shadow: var(--shadow);
  text-align: center;
}
.ki-label {
  display: inline-block;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 2.1rem;
  color: var(--crimson);
  line-height: 1;
}
.ki-card h3 {
  font-size: .9rem;
  color: var(--muted);
  letter-spacing: .14em;
  font-weight: 700;
  margin: 6px 0 16px;
}
.ki-card p { font-size: .95rem; line-height: 1.85; color: var(--ink); text-align: left; }
.karate-intro-foot {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.9;
  background: linear-gradient(135deg, #eaf3ec, #dbeadf);
  border: 1px solid rgba(44, 128, 73, .2);
  border-radius: var(--radius);
  padding: 22px 26px;
}
.karate-intro-foot strong { color: var(--crimson); font-weight: 700; }

/* 黒帯を目指そう */
.belt-goal {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 38px;
  align-items: center;
  margin: 4px 0 30px;
}
.belt-goal-media { aspect-ratio: 4 / 3; }
.belt-goal-label {
  font-size: .8rem;
  letter-spacing: .18em;
  font-weight: 700;
  color: var(--crimson);
  margin-bottom: 10px;
}
.belt-goal-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 1.85rem);
  line-height: 1.5;
  margin-bottom: 18px;
}
.belt-goal-em {
  color: var(--ink);
  border-bottom: 4px solid var(--gold);
  padding-bottom: 1px;
  white-space: nowrap;
}
.belt-track {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.belt {
  font-size: .85rem;
  font-weight: 700;
  padding: .42em 1.05em;
  border-radius: 999px;
}
.belt--white { background: #fff; border: 1px solid var(--line); color: var(--ink); }
.belt--color { background: linear-gradient(135deg, #e9c46a, var(--crimson)); color: #fff; }
.belt--black { background: #1a1a1a; color: var(--gold); }
.belt-arrow { color: var(--muted); font-size: .72rem; }
.belt-goal-text { font-size: .98rem; line-height: 1.9; color: var(--ink); }

/* ---------- なぜ空手なのか ---------- */
.why-empathy { margin-bottom: 56px; }
.why-lead {
  text-align: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  margin-bottom: 28px;
}
.why-worries { display: grid; gap: 12px; max-width: 600px; margin: 0 auto; }
.why-worries li {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 20px 16px 54px;
  font-size: .98rem;
  box-shadow: var(--shadow);
}
.why-worries li::before {
  content: "？";
  position: absolute;
  left: 18px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 24px;
  display: grid; place-items: center;
  background: var(--crimson); color: #fff;
  border-radius: 50%;
  font-size: .8rem; font-weight: 700;
}
.why-bridge { text-align: center; margin-top: 30px; font-size: 1rem; color: var(--muted); }
.why-bridge strong { color: var(--ink); }

.why-answer {
  text-align: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin-bottom: 16px;
}
.why-answer em {
  font-style: normal;
  color: var(--crimson);
  border-bottom: 4px solid rgba(44, 128, 73, .3);
}
.why-answer-sub { text-align: center; max-width: 640px; margin: 0 auto 48px; color: var(--muted); }
.why-answer-sub strong { color: var(--ink); }

.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; max-width: 900px; margin: 0 auto; }
.why-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow);
}
.why-num { display: inline-block; font-family: var(--font-serif); font-weight: 900; font-size: 1.4rem; color: var(--crimson); margin-bottom: 10px; }
.why-card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.why-card p { font-size: .92rem; color: var(--muted); }

.why-future {
  text-align: center;
  margin: 50px auto 30px;
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.6vw, 1.4rem);
  line-height: 1.85;
}
.why-cta { text-align: center; }
.why-photo { aspect-ratio: 16 / 9; max-width: 800px; margin: 8px auto 40px; }

/* 子どもに空手をすすめたい理由 */
.why-intro-lead { text-align: center; max-width: 720px; margin: 0 auto 40px; font-size: 1.02rem; line-height: 1.95; }
.why-intro-lead strong { color: var(--crimson-d); }
.why-reasons { display: grid; gap: 22px; max-width: 820px; margin: 0 auto 44px; }
.why-reason {
  display: grid;
  grid-template-columns: 200px 1fr;
  align-items: stretch;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.why-reason-media { position: relative; background: linear-gradient(150deg, var(--ink-2), var(--ink)); min-height: 100%; }
.why-reason-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 28%; display: block; }
.why-reason-media.is-empty::after { content: "写真"; position: absolute; inset: 0; display: grid; place-items: center; color: rgba(255,255,255,.4); letter-spacing: .2em; font-size: .85rem; }
.why-reason-body { padding: 26px 30px 26px; }
.why-reason-num {
  display: inline-grid; place-items: center;
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--crimson), var(--crimson-d));
  color: #fff; font-family: var(--font-serif); font-weight: 900; font-size: 1.25rem;
  margin-bottom: 12px;
}
.why-reason h3 { font-size: 1.22rem; margin-bottom: 10px; color: var(--ink); }
.why-reason p { font-size: .96rem; line-height: 1.9; color: var(--ink); }
.parent-letter {
  max-width: 820px; margin: 0 auto 40px;
  background: linear-gradient(135deg, #eaf3ec, #dbeadf);
  border: 1px solid rgba(44, 128, 73, .22);
  border-left: 5px solid var(--crimson);
  border-radius: var(--radius);
  padding: 36px 38px;
}
.parent-letter-label { font-family: var(--font-serif); font-weight: 700; color: var(--crimson); letter-spacing: .12em; font-size: .92rem; margin-bottom: 8px; }
.parent-letter h3 { font-family: var(--font-serif); font-size: clamp(1.25rem, 3.2vw, 1.65rem); line-height: 1.5; margin-bottom: 18px; color: var(--ink); }
.parent-letter p { font-size: .98rem; line-height: 1.95; margin-bottom: 14px; }
.parent-letter strong { color: var(--crimson-d); font-weight: 700; }
.parent-letter-safe {
  background: #fff; border: 1px dashed rgba(44, 128, 73, .45);
  border-radius: 12px; padding: 14px 18px; margin-top: 6px; margin-bottom: 0;
  font-size: .95rem;
}
.parent-letter-safe .safe-ico { margin-right: .25em; }

/* 安心バンド（保険・安全） */
.safety-band { padding: 52px 0; background: linear-gradient(135deg, #eaf3ec, #dbeadf); }
.safety-card {
  display: flex; align-items: center; gap: 30px;
  max-width: 880px; margin: 0 auto;
  background: #fff; border: 2px solid var(--crimson);
  border-radius: var(--radius); padding: 34px 40px;
  box-shadow: 0 18px 50px -24px rgba(44, 128, 73, .45);
}
.safety-badge {
  flex: none; width: 86px; height: 86px; border-radius: 50%;
  background: linear-gradient(135deg, var(--crimson), var(--crimson-d));
  display: grid; place-items: center;
  box-shadow: 0 10px 22px -8px rgba(44, 128, 73, .6);
}
.safety-title {
  font-family: var(--font-serif); font-weight: 700;
  font-size: clamp(1.3rem, 3.6vw, 1.85rem); line-height: 1.45;
  color: var(--ink); margin-bottom: 10px;
}
.safety-lead { font-size: 1rem; line-height: 1.85; color: var(--ink); }
@media (max-width: 720px) {
  .safety-band { padding: 40px 0; }
  .safety-card { flex-direction: column; text-align: center; gap: 18px; padding: 28px 22px; }
  .safety-lead { font-size: .94rem; }
}

/* ---------- ギャラリー ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery-item {
  margin: 0;
  aspect-ratio: 4 / 3;
  background: linear-gradient(150deg, var(--ink-2), var(--ink));
  border-radius: var(--radius);
  display: grid; place-items: center;
  color: rgba(255, 255, 255, .4);
  letter-spacing: .2em;
  font-size: .85rem;
  overflow: hidden;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; object-position: center 28%; display: block; }
.gallery-feature { display: flex; justify-content: center; flex-wrap: wrap; gap: 18px; }
.gallery-photo { margin: 0; max-width: 380px; width: 100%; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: #fff; }
.gallery-photo img { width: 100%; height: auto; display: block; }
.gallery-note { text-align: center; margin-top: 22px; font-size: .82rem; color: var(--muted); }

/* ---------- 特長 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 26px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform .3s var(--ease), border-color .3s;
}
.feature-card:hover { transform: translateY(-6px); border-color: var(--crimson); }
.feature-icon {
  width: 70px; height: 70px;
  margin: 0 auto 22px;
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.9rem;
  color: #fff;
  background: var(--crimson);
  border-radius: 50%;
}
.feature-card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.feature-card p { font-size: .9rem; color: var(--muted); }

/* ---------- クラス ---------- */
.class-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.class-card {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--crimson);
  border-radius: var(--radius);
  padding: 34px 28px;
  box-shadow: var(--shadow);
}
.class-name { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700; }
.class-age {
  display: inline-block;
  margin: 8px 0 16px;
  font-size: .82rem;
  font-weight: 700;
  color: var(--crimson);
  background: rgba(44,128,73,.10);
  padding: .3em 1em;
  border-radius: 999px;
}
.class-card p:last-child { font-size: .92rem; color: var(--muted); }

.schedule { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.schedule-title { font-family: var(--font-serif); font-size: 1.25rem; margin-bottom: 20px; text-align: center; }
.table-wrap { overflow-x: auto; }
.schedule-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 540px;
  font-size: .92rem;
}
.schedule-table th, .schedule-table td {
  border: 1px solid var(--line);
  padding: 14px 10px;
  text-align: center;
}
.schedule-table thead th { background: var(--ink); color: #fff; font-weight: 700; }
.schedule-table tbody th { background: var(--paper-2); font-weight: 700; }
.schedule-table tbody th small { display: block; font-weight: 400; font-size: .78em; color: var(--muted); margin-top: 2px; }
.schedule-table td { color: var(--muted); }
.schedule-note { margin-top: 16px; font-size: .82rem; color: var(--muted); text-align: center; }

/* ---------- 料金 ---------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.price-grid--3 {
  grid-template-columns: repeat(3, 1fr);
  max-width: 820px;
  margin-inline: auto;
}
.price-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  box-shadow: var(--shadow);
}
.price-card--featured {
  border: 2px solid var(--crimson);
  transform: translateY(-8px);
}
.price-badge {
  position: absolute;
  top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--crimson);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: .4em 1.1em;
  border-radius: 999px;
  white-space: nowrap;
}
.price-card h3 { font-size: 1rem; color: var(--muted); margin-bottom: 14px; }
.price { font-family: var(--font-serif); font-weight: 700; line-height: 1; }
.price em { font-style: normal; font-size: 2.6rem; color: var(--ink); }
.price span { font-size: .9rem; color: var(--muted); margin-left: 4px; }
.price-note { margin-top: 14px; font-size: .82rem; color: var(--muted); }
.price-note-extra {
  max-width: 760px;
  margin: 34px auto 0;
  text-align: center;
  font-size: .88rem;
  color: var(--muted);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 20px;
}
.price-foot { text-align: center; margin-top: 22px; font-size: 1rem; }
.price-foot strong { color: var(--crimson); }

/* ---------- 指導陣 ---------- */
.instructor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.instructor-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  text-align: center;
}
.instructor-photo {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(150deg, var(--ink-2), var(--ink));
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: rgba(255,255,255,.4);
  letter-spacing: .3em;
  font-size: .75rem;
  margin-bottom: 20px;
  overflow: hidden;
}
.instructor-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
/* ✏️ 師範の写真を入れる場合、1枚目のカードの class を
   "instructor-photo instructor-photo--sensei" にして下記を有効化:
.instructor-photo--sensei {
  background-image: url("../images/sensei.jpg");
  background-size: cover; background-position: center;
} */
.instructor-role { color: var(--crimson); font-weight: 700; font-size: .82rem; letter-spacing: .08em; }
.instructor-name { font-family: var(--font-serif); font-size: 1.35rem; font-weight: 700; margin: 4px 0 12px; }
.instructor-card p:last-child { font-size: .92rem; color: var(--muted); text-align: left; }
.instructor-note { text-align: center; margin-top: 28px; font-size: .8rem; color: var(--muted); }

/* ---------- 師範からのメッセージ ---------- */
.master-message {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--crimson);
  border-radius: var(--radius);
  padding: clamp(28px, 5vw, 50px);
  box-shadow: var(--shadow);
  font-family: var(--font-serif);
}
.master-message p { font-size: 1.02rem; line-height: 2; margin-bottom: 18px; color: var(--ink); }
.master-message p:last-of-type { margin-bottom: 0; }
.master-message strong { color: var(--crimson); }
.master-message cite {
  display: block;
  margin-top: 26px;
  text-align: right;
  font-style: normal;
  font-weight: 700;
  font-size: 1.05rem;
}

/* ---------- 空手 × 英語 ---------- */
.english-band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #f4ecd6 0%, #efe1c0 100%);
  padding: clamp(60px, 9vw, 100px) 0;
}
.english-inner {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 1.4fr .8fr;
  gap: 40px;
  align-items: center;
}
.english-tag {
  display: inline-block;
  font-size: .72rem; font-weight: 700; letter-spacing: .25em;
  color: var(--crimson); margin-bottom: 14px;
}
.english-text h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  line-height: 1.45;
  margin-bottom: 18px;
  color: var(--ink);
}
.english-text p { color: #5a4f38; font-size: 1rem; max-width: 48ch; }
.english-deco {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px;
  font-family: var(--font-serif); font-weight: 900;
  color: rgba(44, 128, 73, .16);
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 1.05;
  text-align: center;
}
.english-deco span:nth-child(2) { color: var(--gold); opacity: .65; font-size: .55em; }

/* ---------- 保護者の声 ---------- */
.voice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.voice-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
}
.voice-card blockquote {
  position: relative;
  font-size: .96rem;
  line-height: 1.9;
  padding-top: 28px;
}
.voice-card blockquote::before {
  content: "”";
  position: absolute; top: -10px; left: -4px;
  font-family: var(--font-serif);
  font-size: 3.5rem;
  color: var(--gold);
  line-height: 1;
}
.voice-card figcaption { margin-top: 18px; font-size: .82rem; color: var(--muted); }
.voice-note { text-align: center; margin-top: 28px; font-size: .78rem; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 14px; }
.faq-list details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 56px 22px 24px;
  font-weight: 700;
  position: relative;
  transition: color .2s;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 24px; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--crimson);
  transition: transform .3s;
}
.faq-list details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-list summary:hover { color: var(--crimson); }
.faq-list details p { padding: 0 24px 24px; color: var(--muted); font-size: .92rem; }

/* ---------- アクセス ---------- */
.access-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 44px; align-items: stretch; }
.access-info dl { display: grid; gap: 18px; margin-bottom: 30px; }
.access-info dt {
  font-size: .76rem; font-weight: 700; letter-spacing: .1em;
  color: var(--crimson); margin-bottom: 4px;
}
.access-info dd { font-size: .96rem; }
.access-info a:not(.btn) { color: var(--crimson); text-decoration: underline; }
.access-map { display: flex; flex-direction: column; gap: 12px; }
.map-placeholder, .access-map iframe {
  width: 100%; flex: 1 1 auto; min-height: 340px;
  border: 0; border-radius: var(--radius);
  background: var(--ink-2);
}
.map-link {
  align-self: flex-end;
  font-size: .88rem; font-weight: 700;
  color: var(--crimson);
  text-decoration: underline;
}
.map-link:hover { color: var(--crimson-d); }
.map-placeholder {
  display: grid; place-content: center; text-align: center; gap: 6px;
  background: var(--ink-2); color: rgba(255,255,255,.6);
  border: 1px dashed var(--line-d);
}
.map-placeholder small { font-size: .78rem; opacity: .7; }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  color: #fff;
  text-align: center;
  padding: clamp(80px, 12vw, 130px) 0;
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(255,255,255,.14), transparent 60%),
    linear-gradient(140deg, #3aa063 0%, #2c8049 55%, #22643a 100%);
  overflow: hidden;
}
.cta-eyebrow { font-family: var(--font-serif); color: var(--gold); letter-spacing: .2em; margin-bottom: 14px; }
.cta-title { font-family: var(--font-serif); font-weight: 700; font-size: clamp(1.8rem, 5vw, 3rem); margin-bottom: 22px; }
.cta-lead { color: rgba(255,255,255,.85); margin-bottom: 40px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.cta-note { margin-top: 26px; font-size: .82rem; color: rgba(255,255,255,.6); }

/* ---------- フッター ---------- */
.site-footer { background: #0d0b0a; color: rgba(255,255,255,.75); padding: 54px 0 30px; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 24px; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand .brand-name { color: #fff; }
.footer-address { font-size: .82rem; color: rgba(255,255,255,.6); text-align: center; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 24px; justify-content: center; }
.footer-nav a { font-size: .88rem; transition: color .2s; }
.footer-nav a:hover { color: var(--gold); }
.footer-copy { font-size: .78rem; color: rgba(255,255,255,.45); }

/* ---------- 画像フレーム（共通） ---------- */
.media-frame {
  aspect-ratio: 4 / 3;
  background: linear-gradient(150deg, var(--ink-2), var(--ink));
  border-radius: var(--radius);
  display: grid; place-items: center;
  color: rgba(255, 255, 255, .4);
  letter-spacing: .2em; font-size: .85rem;
  overflow: hidden; margin: 0;
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.media-frame.is-empty::after { content: "写真"; color: rgba(255, 255, 255, .4); letter-spacing: .2em; font-size: .85rem; }
.media-frame--light {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--muted);
  aspect-ratio: 16 / 10;
}
.media-frame--light img { object-fit: contain; padding: 10px; }

/* ---------- ヒーロー バッジ ---------- */
.hero-badges {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 22px;
  opacity: 0; transform: translateY(24px);
  animation: rise .9s var(--ease) .18s forwards;
}
.hero-badge {
  display: inline-flex; align-items: center;
  font-size: .82rem; font-weight: 700;
  padding: .45em 1.05em;
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .25);
  color: #fff;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.hero-badge--accent {
  background: var(--crimson);
  border-color: var(--crimson);
  box-shadow: 0 10px 24px -12px rgba(44, 128, 73, .55);
}

/* ---------- about 画像 ---------- */
.about-side { display: flex; flex-direction: column; gap: 20px; }
.about-photo { aspect-ratio: 4 / 3; }

/* ---------- 指導員プロフィール ---------- */
.instructor-profile {
  text-align: left;
  margin: 0 0 14px;
  display: grid; gap: 8px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.instructor-profile > div { display: flex; gap: 12px; font-size: .85rem; }
.instructor-profile dt { flex: none; width: 5.5em; font-weight: 700; color: var(--crimson); }
.instructor-profile dd { color: var(--muted); }
.instructor-bio { font-size: .9rem; color: var(--muted); text-align: left; }

/* ---------- 夏合宿 ---------- */
.event-note {
  display: flex; align-items: center; gap: 24px;
  margin-top: 26px;
  background: linear-gradient(120deg, var(--ink) 0%, var(--ink-3) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 26px 30px;
  box-shadow: var(--shadow);
}
.event-badge {
  flex: none;
  display: grid; place-items: center;
  width: 84px; height: 84px;
  border-radius: 50%;
  background: var(--crimson);
  font-family: var(--font-serif); font-weight: 900; font-size: 1.15rem;
  line-height: 1.15; text-align: center;
}
.event-body h3 { font-size: 1.15rem; margin-bottom: 6px; }
.event-body p { font-size: .92rem; color: rgba(255, 255, 255, .82); }
.event-note--recruit { background: linear-gradient(120deg, var(--crimson) 0%, var(--crimson-d) 100%); }
.event-note--recruit .event-badge { background: var(--gold); color: var(--crimson-d); }
.event-note--recruit .event-body p { color: rgba(255, 255, 255, .92); }

/* ---------- 流派・国際連盟 ---------- */
.lineage-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.lineage-name { font-family: var(--font-serif); font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; margin-bottom: 18px; }
.lineage-text p { color: var(--muted); margin-bottom: 16px; }
.lineage-text strong { color: var(--crimson); }
.lineage-stats { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 26px; border-top: 1px solid var(--line); padding-top: 24px; }
.lineage-stats li { font-size: .82rem; color: var(--muted); }
.lineage-stats span { display: block; font-family: var(--font-serif); font-weight: 700; font-size: 1.7rem; color: var(--crimson); }
.lineage-caption { margin-top: 12px; font-size: .8rem; color: var(--muted); text-align: center; }

/* ---------- 英語バンド 画像 ---------- */
.english-media .media-frame { aspect-ratio: 4 / 3; }

/* ---------- 体育館フル活用バンド ---------- */
.facility-band {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #eaf3ec 0%, #dbeadf 100%);
  padding: clamp(60px, 9vw, 100px) 0;
}
.facility-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 44px; align-items: center;
}
.facility-tag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .25em; color: var(--crimson); margin-bottom: 14px; }
.facility-text h2 { font-family: var(--font-serif); font-weight: 700; font-size: clamp(1.7rem, 4.5vw, 2.6rem); line-height: 1.4; margin-bottom: 18px; color: var(--ink); }
.facility-text p { color: #3c463e; font-size: 1rem; margin-bottom: 14px; max-width: 48ch; }
.facility-text strong { color: var(--crimson); }
.facility-catch { font-family: var(--font-serif); font-weight: 700; font-size: clamp(1.15rem, 2.8vw, 1.5rem); color: var(--ink) !important; }
.facility-media .media-frame { aspect-ratio: 4 / 3; }

/* ---------- 準備体操・けが予防 ---------- */
.warmup-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: center; }
.warmup-media .media-frame { aspect-ratio: 4 / 3; }
.warmup-tag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .25em; color: var(--crimson); margin-bottom: 14px; }
.warmup-text h2 { font-family: var(--font-serif); font-weight: 700; font-size: clamp(1.6rem, 4.5vw, 2.4rem); line-height: 1.4; margin-bottom: 18px; color: var(--ink); }
.warmup-text p { color: #3c463e; font-size: 1rem; margin-bottom: 14px; max-width: 52ch; }
.warmup-text strong { color: var(--crimson); }
.warmup-catch { font-family: var(--font-serif); font-weight: 700; font-size: clamp(1.15rem, 2.8vw, 1.5rem); color: var(--ink) !important; }
@media (max-width: 900px) { .warmup-inner { grid-template-columns: 1fr; gap: 24px; } }

/* ---------- スクロール演出 ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 960px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .feature-grid, .price-grid { grid-template-columns: repeat(2, 1fr); }
  .access-grid { grid-template-columns: 1fr; }
  .voice-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .lineage-grid { grid-template-columns: 1fr; gap: 32px; }
  .english-inner { grid-template-columns: 1fr; gap: 24px; }
  .facility-inner { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(80vw, 320px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 26px;
    padding: 40px;
    background: var(--ink);
    transform: translateX(100%);
    transition: transform .35s var(--ease);
    box-shadow: -20px 0 60px -30px rgba(0,0,0,.6);
  }
  .nav.open { transform: translateX(0); }
  .nav a { color: #fff !important; font-size: 1.05rem; }
  .scrolled .nav a { color: #fff; }
  .nav-toggle { display: flex; z-index: 110; }
  .nav-toggle.open span { background: #fff; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .class-cards { grid-template-columns: 1fr; }
  .karate-intro-cards { grid-template-columns: 1fr; }
  .belt-goal { grid-template-columns: 1fr; gap: 24px; }
  .instructor-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .event-note { flex-direction: column; text-align: center; gap: 16px; }
  .hero-stats { gap: 28px; }
  .schedule { padding: 22px 14px; }
  .schedule-table { min-width: 0; font-size: .82rem; }
  .schedule-table th, .schedule-table td { padding: 10px 5px; }

  /* スマホ：ヒーローを読みやすく */
  .hero-frame { padding: 26px 16px; }
  .hero-title { font-size: clamp(1.85rem, 8vw, 2.6rem); line-height: 1.22; }
  .hero-recruit { font-size: 1rem; padding: .45em 1.2em; margin-bottom: 14px; }
  .hero-eyebrow { font-size: .82rem; letter-spacing: .04em; }
  .hero-badges { gap: 7px; }
  .hero-badge { font-size: .74rem; padding: .42em .85em; }
  .hero-lead { font-size: .83rem; line-height: 1.75; }
  .hero-inner { padding: 96px 0 80px; }
  /* 見出しのスマホ最適化（1文字だけ落ちるのを防ぐ） */
  .section-title { font-size: clamp(1.45rem, 6.4vw, 1.85rem); letter-spacing: .03em; }
  .cta-title { font-size: clamp(1.5rem, 7vw, 2.05rem); }
  .about-catch { font-size: clamp(1.25rem, 5.6vw, 1.7rem); }
  .karate-intro-foot, .gallery-note, .section-desc { font-size: .92rem; }
  /* 「3つの理由」カードはスマホで縦積み（画像→文章） */
  .why-reason { grid-template-columns: 1fr; }
  .why-reason-media { aspect-ratio: 16 / 9; min-height: 0; }
  .why-reason-body { padding: 22px 20px 22px; }
  .why-reason h3 { font-size: 1.15rem; }
  .why-intro-lead, .why-reason p, .parent-letter p { font-size: .93rem; }
  .parent-letter { padding: 26px 22px; }
  .parent-letter h3 { font-size: clamp(1.2rem, 5.4vw, 1.5rem); }
}

@media (max-width: 480px) {
  .feature-grid, .price-grid { grid-template-columns: 1fr; }
  .price-card--featured { transform: none; }
  .btn { width: 100%; }
  .hero-actions, .cta-actions { flex-direction: column; }
  .br-sp { display: inline; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}