/* ========================================
   八光流柔術 茨城護心館 — リニューアル案 v2
   「おしゃれに、親しみやすく、凛と」
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@500;600;700&family=Noto+Sans+JP:wght@300;400;500;700&family=Zen+Maru+Gothic:wght@500;700&family=Cormorant+Garamond:wght@500;600&display=swap');

/* --- CSS Variables --- */
:root {
  /* Base */
  --cream: #F8F5EF;
  --cream-deep: #F0EBE1;
  --white: #FFFFFF;
  --ink: #2E2B26;
  --ink-soft: #4F4A42;
  --ink-mute: #8C877C;

  /* Primary: 藍鉄 — 凛とした軸 */
  --ai: #33506B;
  --ai-deep: #24384C;
  --ai-pale: #E6ECF1;
  --ai-line: rgba(51, 80, 107, 0.16);

  /* Accent: 金茶 — 上品なあたたかさ */
  --kin: #B98A47;
  --kin-deep: #9A6F32;
  --kin-pale: #F5EBD9;
  --kin-line: rgba(185, 138, 71, 0.3);

  /* LINE */
  --line-green: #06C755;
  --line-green-deep: #05A847;

  --font-serif: 'Shippori Mincho', 'Noto Serif JP', '游明朝', serif;
  --font-sans: 'Noto Sans JP', '游ゴシック', 'Yu Gothic', sans-serif;
  --font-maru: 'Zen Maru Gothic', 'Noto Sans JP', sans-serif;
  --font-en: 'Cormorant Garamond', serif;

  --radius: 14px;
  --radius-lg: 22px;
  --shadow-soft: 0 4px 24px rgba(70, 58, 35, 0.07);
  --shadow-hover: 0 10px 32px rgba(70, 58, 35, 0.13);
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.95;
  letter-spacing: 0.04em;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--ai);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover { color: var(--kin-deep); }

svg { display: block; }

.br-mobile { display: none; }

/* --- Layout --- */
.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }

/* --- Section headings --- */
.section-head {
  text-align: center;
  margin-bottom: 52px;
}

.section-en {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  text-transform: uppercase;
  color: var(--kin-deep);
  margin-bottom: 14px;
}

.section-en::before,
.section-en::after {
  content: '';
  width: 38px;
  height: 1px;
  background: var(--kin);
  opacity: 0.55;
  flex-shrink: 0;
}

.section-heading {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.75rem;
  letter-spacing: 0.14em;
  line-height: 1.65;
  text-wrap: balance;
  line-break: strict;
  color: var(--ink);
  margin-bottom: 18px;
}

.heading-line,
.keep-together {
  display: inline-block;
  white-space: nowrap;
}

.keep-together + .keep-together {
  margin-left: 0.22em;
}

.section-lead {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 2;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 0;
  background: rgba(248, 245, 239, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.nav.scrolled {
  box-shadow: 0 2px 20px rgba(70, 58, 35, 0.07);
  border-bottom-color: rgba(70, 58, 35, 0.05);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo a {
  display: flex;
  align-items: center;
  gap: 13px;
}

.nav-logo-seal {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--ai) 0%, var(--ai-deep) 100%);
  color: #FFFFFF;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 10px rgba(51, 80, 107, 0.3);
  flex-shrink: 0;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}

.nav-logo-main {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  color: var(--ink);
}

.nav-logo-sub {
  font-family: var(--font-en);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--kin-deep);
}

.nav-links {
  display: flex;
  gap: 26px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--ink-soft);
}

.nav-links a:hover { color: var(--ai); }

.nav-cta {
  background: var(--ai);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 500;
  transition: background 0.3s ease, transform 0.2s ease;
}

.nav-cta:hover {
  background: var(--ai-deep);
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(248, 245, 239, 0.98);
  backdrop-filter: blur(20px);
  z-index: 99;
  justify-content: center;
  align-items: center;
}

.mobile-menu.active { display: flex; }

.mobile-menu-links {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.mobile-menu-links a {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: 0.18em;
  color: var(--ink);
}

/* --- Hero --- */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 118px 32px 72px;
  position: relative;
  overflow: hidden;
  background: var(--cream);
}

/* 大きな「GOSHINKAN」の透かし */
.hero-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 118%;
  text-align: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(46px, 15vw, 190px);
  letter-spacing: 0.04em;
  line-height: 1;
  white-space: nowrap;
  color: rgba(51, 80, 107, 0.05);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.hero-content { position: relative; z-index: 1; width: min(100%, 1040px); }

.hero-brand {
  margin-bottom: 18px;
}

.hero-brand-ja {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2rem, 4.6vw, 2.7rem);
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  line-height: 1.3;
  color: var(--ink);
}

.hero-brand-ja::before,
.hero-brand-ja::after {
  content: '';
  width: 52px;
  height: 1px;
  background: var(--kin);
  opacity: 0.65;
  flex-shrink: 0;
}

.hero-brand-en {
  display: block;
  margin-top: 12px;
  font-family: var(--font-en);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  text-transform: uppercase;
  color: var(--kin-deep);
}

.hero-badge {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--kin-deep);
  background: var(--white);
  border: 1px solid var(--kin-line);
  padding: 9px 26px;
  border-radius: 999px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-soft);
}

.hero-eyebrow {
  color: var(--ai);
  font-family: var(--font-serif);
  font-size: clamp(0.9rem, 1.5vw, 1.06rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.hero-main {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2.65rem, 6.4vw, 5.3rem);
  line-height: 1.24;
  letter-spacing: 0;
  text-wrap: balance;
  color: var(--ink);
  margin-bottom: 22px;
}

.hero-main .accent { color: var(--ai); }

.hero-line {
  display: block;
}

.hero-sub {
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  line-height: 2;
  color: var(--ink-soft);
  margin-bottom: 22px;
}

.hero-proof {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 18px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--kin-line);
  color: var(--ai);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  box-shadow: var(--shadow-soft);
}

.hero-chips {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-chip {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ai);
  background: var(--white);
  border: 1px solid var(--ai-line);
  border-radius: 999px;
  padding: 7px 20px;
  box-shadow: var(--shadow-soft);
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.hero-note {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
}

.hero-offer {
  width: min(100%, 680px);
  margin: 28px auto 0;
  padding: 16px 24px;
  border: 1px solid var(--kin-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink-soft);
  font-size: clamp(1rem, 2vw, 1.15rem);
  box-shadow: var(--shadow-soft);
}

.hero-offer span {
  display: inline-block;
  color: var(--kin-deep);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  font-weight: 700;
  margin-right: 16px;
  letter-spacing: 0.12em;
}

.hero-offer strong {
  color: var(--ink);
  font-family: var(--font-serif);
  letter-spacing: 0.06em;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.97rem;
  letter-spacing: 0.1em;
  padding: 17px 44px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.btn-primary {
  background: var(--ai);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(51, 80, 107, 0.28);
}

.btn-primary:hover {
  background: var(--ai-deep);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(51, 80, 107, 0.36);
}

.btn-line {
  background: var(--line-green);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(6, 199, 85, 0.26);
}

.btn-line:hover {
  background: var(--line-green-deep);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(6, 199, 85, 0.34);
}

.btn-line svg { width: 21px; height: 21px; flex-shrink: 0; }

.btn-light {
  background: var(--white);
  color: var(--ai-deep);
  box-shadow: 0 5px 18px rgba(20, 33, 46, 0.2);
}

.btn-light:hover { color: var(--ai); transform: translateY(-2px); }

/* --- 護身を学ぶ意味 --- */
.readiness {
  padding: 104px 0 0;
  background: var(--white);
}

.readiness-container {
  max-width: 1120px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 76px;
  align-items: start;
  padding-bottom: 86px;
}

.readiness-copy .section-en { justify-content: flex-start; }
.readiness-copy .section-en::before { display: none; }

.readiness-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 2.7vw, 2.45rem);
  line-height: 1.55;
  letter-spacing: 0;
  text-wrap: balance;
  line-break: strict;
  color: var(--ink);
  margin: 18px 0 24px;
}

.readiness-lead { color: var(--ink-soft); font-size: 1rem; line-height: 2.05; }

.readiness-points { display: grid; gap: 14px; }

.readiness-point {
  display: flex;
  gap: 20px;
  padding: 24px 26px;
  border-left: 3px solid var(--kin);
  background: var(--cream);
}

.readiness-point > span {
  color: var(--kin-deep);
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 700;
}

.readiness-point h3 {
  font-family: var(--font-serif);
  font-size: 1.12rem;
  letter-spacing: 0.04em;
  margin-bottom: 5px;
}

.readiness-point p { color: var(--ink-soft); font-size: 0.9rem; line-height: 1.85; }

.readiness-cta {
  max-width: 1180px;
  margin: 0 auto;
  padding: 30px 48px;
  background: var(--ai-deep);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.readiness-cta p { color: rgba(255,255,255,0.82); line-height: 1.8; }
.readiness-cta strong { color: var(--white); font-family: var(--font-serif); font-size: 1.12rem; }
.readiness-cta .btn { flex-shrink: 0; padding: 14px 28px; font-size: 0.9rem; }

.section-cta { text-align: center; margin-top: 42px; }
.section-cta p { margin-top: 10px; color: var(--ink-mute); font-size: 0.8rem; }

/* --- お知らせバー --- */
.news-strip {
  background: var(--ai-deep);
  color: rgba(255, 255, 255, 0.92);
  text-align: center;
  padding: 15px 24px;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
}

.news-strip strong {
  font-weight: 700;
  color: var(--white);
  margin-right: 14px;
}

/* --- はじめての方へ(3層) --- */
.audience { padding-top: 88px; }

.audience-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.audience-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 42px 30px 38px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  border-top: 3px solid var(--kin);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.audience-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.audience-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ai-pale) 0%, var(--kin-pale) 100%);
  color: var(--ai);
  display: flex;
  align-items: center;
  justify-content: center;
}

.audience-icon svg {
  width: 32px;
  height: 32px;
  stroke: currentColor;
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.audience-card h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.28rem;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  color: var(--ink);
}

.audience-en {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--kin-deep);
  display: block;
  margin-bottom: 16px;
}

.audience-card p {
  font-size: 0.94rem;
  color: var(--ink-soft);
  line-height: 1.95;
  text-align: left;
}

/* --- 安心して学べる場づくり --- */
.safety { background: var(--white); }

.safety-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 760px;
  margin: 0 auto;
}

.safety-item {
  position: relative;
  min-height: 156px;
  padding: 28px 28px 26px 88px;
  border-left: 3px solid var(--kin);
  background: var(--cream);
}

.safety-number {
  position: absolute;
  left: 26px;
  top: 25px;
  font-family: var(--font-en);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--kin-deep);
}

.safety-item h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  margin-bottom: 8px;
}

.safety-item p {
  color: var(--ink-soft);
  font-size: 0.93rem;
  line-height: 1.9;
}

.safety-note {
  margin-top: 30px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

/* --- 実践・強さ --- */
.strength {
  background:
    radial-gradient(ellipse 70% 60% at 85% 10%, rgba(185, 138, 71, 0.12) 0%, transparent 55%),
    var(--ai-deep);
  color: rgba(255, 255, 255, 0.88);
}

.strength .section-heading { color: var(--white); }

.strength .section-lead { color: rgba(255, 255, 255, 0.7); }

.strength-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.strength-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.strength-card:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(185, 138, 71, 0.5);
}

.strength-num {
  display: block;
  font-family: var(--font-en);
  font-size: 1.9rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--kin);
  margin-bottom: 14px;
}

.strength-card h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 14px;
}

.strength-card p {
  font-size: 0.88rem;
  line-height: 2;
  color: rgba(255, 255, 255, 0.72);
  text-align: left;
}

/* --- こんな方に --- */
.forwho { background: var(--cream-deep); }

.forwho-list {
  max-width: 640px;
  margin: 0 auto;
  display: grid;
  gap: 13px;
}

.forwho-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 19px 26px;
  font-size: 1rem;
  box-shadow: var(--shadow-soft);
}

.forwho-check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--kin-pale);
  color: var(--kin-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
}

.forwho-note {
  text-align: center;
  margin-top: 36px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  color: var(--ai);
}

/* --- 八光流とは(要約) --- */
.hakko-summary {
  text-align: center;
  position: relative;
}

.hakko-motto {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 3.6vw, 1.8rem);
  letter-spacing: 0.26em;
  color: var(--ai);
  font-weight: 600;
  margin-bottom: 40px;
}

.hakko-body {
  max-width: 620px;
  margin: 0 auto 42px;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 2.1;
  text-align: left;
}

.hakko-body p { margin-bottom: 18px; }

.hakko-certified {
  padding: 14px 18px;
  border: 1px solid var(--kin-line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ai) !important;
  font-family: var(--font-serif);
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.08em;
}

.hakko-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 820px;
  margin: 34px auto 8px;
}

.hakko-point {
  background: var(--white);
  border: 1px solid var(--kin-line);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  text-align: left;
  box-shadow: var(--shadow-soft);
}

.hakko-point span {
  display: block;
  color: var(--kin-deep);
  font-family: var(--font-en);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin-bottom: 8px;
}

.hakko-point strong {
  display: block;
  color: var(--ai);
  font-family: var(--font-serif);
  font-size: 1.04rem;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.hakko-point p {
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.85;
  margin: 0;
}

/* --- 書籍・メディア --- */
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  max-width: 560px;
  margin: 52px auto 22px;
}

.media-item {
  margin: 0;
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 18px 18px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.media-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.media-item img {
  width: 100%;
  border-radius: 6px;
  box-shadow: 0 8px 22px rgba(70, 58, 35, 0.22);
}

.media-item figcaption {
  margin-top: 16px;
  font-size: 0.84rem;
  font-weight: 500;
  line-height: 1.75;
  color: var(--ink);
}

.media-item figcaption span {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--ink-mute);
}

.media-note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-bottom: 40px;
}

/* --- 心 --- */
.kokoro {
  text-align: center;
  background:
    radial-gradient(ellipse 70% 60% at 50% 100%, rgba(227, 236, 241, 0.55) 0%, transparent 60%),
    var(--cream);
}

.kokoro-body {
  max-width: 640px;
  margin: 0 auto;
}

.kokoro-body p {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 2.4;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.kokoro-body p:last-child { margin-bottom: 0; }

.kokoro-line {
  display: block;
}

.kokoro-lead {
  font-size: 1.3rem !important;
  letter-spacing: 0.14em !important;
  color: var(--ai) !important;
}

.link-more {
  display: inline-block;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  color: var(--ai);
  border-bottom: 1px solid var(--kin);
  padding-bottom: 5px;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.link-more:hover { color: var(--kin-deep); }

/* --- 特徴(明朝ナンバー) --- */
.features { background: var(--cream-deep); }

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 26px;
  display: flex;
  gap: 22px;
  align-items: flex-start;
  box-shadow: var(--shadow-soft);
}

.feature-num {
  flex-shrink: 0;
  font-family: var(--font-en);
  font-size: 1.7rem;
  font-weight: 500;
  line-height: 1;
  color: var(--kin);
  padding-top: 4px;
  min-width: 44px;
}

.feature-card h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: 0.06em;
  margin-bottom: 9px;
  color: var(--ink);
}

.feature-card p {
  font-size: 0.93rem;
  color: var(--ink-soft);
  line-height: 1.9;
}

/* --- 見学の流れ --- */
.flow-steps {
  max-width: 640px;
  margin: 0 auto;
}

.flow-step {
  display: flex;
  gap: 24px;
  position: relative;
  padding-bottom: 40px;
}

.flow-step:last-child { padding-bottom: 0; }

.flow-step::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 66px;
  bottom: 6px;
  width: 1px;
  background: var(--ai-line);
}

.flow-step:last-child::before { display: none; }

.flow-num {
  flex-shrink: 0;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ai) 0%, var(--ai-deep) 100%);
  color: var(--white);
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(51, 80, 107, 0.3);
}

.flow-text h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.16rem;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  padding-top: 12px;
}

.flow-text p {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* --- FAQ --- */
.faq { background: var(--cream-deep); }

.faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 21px 54px 21px 26px;
  font-weight: 500;
  font-size: 0.96rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  position: relative;
  display: flex;
  gap: 14px;
  align-items: baseline;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-q {
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--kin);
  flex-shrink: 0;
}

.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.35rem;
  font-weight: 300;
  color: var(--ai);
  transition: transform 0.3s ease;
}

.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }

.faq-a {
  padding: 0 26px 24px 26px;
  display: flex;
  gap: 14px;
  align-items: baseline;
  font-size: 0.94rem;
  color: var(--ink-soft);
  line-height: 1.95;
}

.faq-a-label {
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ai);
  flex-shrink: 0;
}

/* --- 代表 --- */
.instructor-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 34px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 34px;
  align-items: center;
}

.instructor-photo {
  width: 240px;
  height: 240px;
  border-radius: 18px;
  object-fit: cover;
  box-shadow: var(--shadow-hover);
  flex-shrink: 0;
}

@media (max-width: 699px) {
  .instructor-photo {
    width: 200px;
    height: 200px;
  }
}

.instructor-info { text-align: center; }

.instructor-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.22em;
  margin-bottom: 8px;
}

.instructor-name span {
  white-space: nowrap;
  font-size: 0.62em;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.instructor-role {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--kin-deep);
  letter-spacing: 0.08em;
  margin-bottom: 26px;
}

.instructor-message {
  font-size: 0.98rem;
  line-height: 2.05;
  color: var(--ink-soft);
  margin-bottom: 26px;
  text-align: left;
}

.instructor-creds {
  font-size: 0.82rem;
  color: var(--ink-mute);
  line-height: 1.9;
  text-align: left;
  border-top: 1px solid var(--ai-line);
  padding-top: 22px;
}

/* --- 稽古案内 --- */
.schedule { background: var(--cream-deep); }

.schedule-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 14px 36px;
  box-shadow: var(--shadow-soft);
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
}

.schedule-table tr { border-bottom: 1px solid var(--ai-line); }
.schedule-table tr:last-child { border-bottom: none; }

.schedule-table th,
.schedule-table td {
  padding: 22px 0;
  text-align: left;
  font-size: 0.96rem;
  vertical-align: top;
}

.schedule-table th {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--ai);
  width: 120px;
  letter-spacing: 0.1em;
}

.schedule-sub {
  font-size: 0.86rem;
  color: var(--ink-mute);
  display: inline-block;
  margin-top: 5px;
}

.schedule-note {
  text-align: center;
  margin-top: 30px;
  font-size: 0.85rem;
  color: var(--ink-mute);
}

.schedule-campaign {
  max-width: 720px;
  margin: -22px auto 28px;
  padding: 16px 22px;
  text-align: center;
  border: 1px solid var(--kin-line);
  border-radius: 8px;
  background: var(--white);
  color: var(--kin-deep);
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.4vw, 1.18rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: var(--shadow-soft);
}

/* --- お問い合わせ --- */
.contact { padding-bottom: 110px; }

.contact-intro {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 52px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.contact-highlight {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--ai);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

/* LINE card */
.line-card {
  background: var(--white);
  border: 1px solid rgba(6, 199, 85, 0.28);
  border-top: 3px solid var(--line-green);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.line-card h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.24rem;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.line-card p {
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin-bottom: 26px;
  line-height: 2;
}

.line-qr {
  width: 140px;
  height: 140px;
  margin: 0 auto 22px;
  border-radius: 12px;
  background: var(--white);
  border: 1px solid var(--ai-line);
  padding: 8px;
  display: block;
}

/* Form card */
.form-card {
  background: var(--white);
  border-top: 3px solid var(--ai);
  border-radius: var(--radius-lg);
  padding: 42px 34px;
  box-shadow: var(--shadow-soft);
}

.form-card h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.24rem;
  letter-spacing: 0.08em;
  text-align: center;
  margin-bottom: 30px;
}

.form-group { margin-bottom: 24px; }

.form-group label {
  display: block;
  font-weight: 500;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  margin-bottom: 9px;
  color: var(--ink);
}

.required-tag {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
  background: var(--kin);
  border-radius: 5px;
  padding: 1.5px 9px;
  margin-left: 10px;
  vertical-align: 2px;
}

.optional-tag {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  background: var(--cream-deep);
  border-radius: 5px;
  padding: 1.5px 9px;
  margin-left: 10px;
  vertical-align: 2px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.94rem;
  color: var(--ink);
  background: var(--cream);
  border: 1px solid var(--ai-line);
  border-radius: 10px;
  padding: 14px 16px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2333506B' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--ai);
  box-shadow: 0 0 0 3px rgba(51, 80, 107, 0.1);
  background: var(--white);
}

.form-group textarea { min-height: 140px; resize: vertical; }

.form-submit { text-align: center; margin-top: 32px; }

.form-privacy {
  text-align: center;
  font-size: 0.76rem;
  color: var(--ink-mute);
  margin-top: 20px;
}

.contact-assurance {
  text-align: center;
  margin-top: 44px;
  font-size: 0.86rem;
  color: var(--ink-mute);
}

.mobile-contact-bar { display: none; }

/* --- Thanks page --- */
.thanks-wrap {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 150px 24px 90px;
}

.thanks-icon {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: var(--kin);
  margin-bottom: 24px;
}

/* --- Footer --- */
.footer {
  padding: 76px 0 40px;
  text-align: center;
  background: var(--ai-deep);
  color: rgba(255, 255, 255, 0.85);
}

.footer-copy {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 0.98rem;
  letter-spacing: 0.14em;
  line-height: 2.4;
  margin-bottom: 40px;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 30px;
  list-style: none;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.6);
}

.footer-nav a:hover { color: var(--kin); }

.footer-brand {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.5em;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 6px;
}

.footer-brand-en {
  font-family: var(--font-en);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--kin);
  margin-bottom: 24px;
}

.footer-copyright {
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.38);
}

/* --- About page --- */
.page-header {
  padding: 160px 0 64px;
  text-align: center;
  background:
    radial-gradient(ellipse 80% 70% at 18% 8%, rgba(185, 138, 71, 0.09) 0%, transparent 55%),
    var(--cream);
}

.page-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: 0.16em;
}

.about-section {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 34px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-soft);
}

.about-section h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.12rem;
  letter-spacing: 0.12em;
  margin-bottom: 20px;
  color: var(--ai);
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-section h2::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--kin);
  flex-shrink: 0;
}

.about-section p {
  font-size: 0.93rem;
  line-height: 2.2;
  line-break: strict;
  text-wrap: pretty;
  color: var(--ink-soft);
}

.about-philosophy {
  text-align: center;
  padding: 60px 0;
}

.about-philosophy-text {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  letter-spacing: 0.26em;
  line-height: 2.4;
  color: var(--ai);
  font-weight: 600;
}

/* --- CTA banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--ai) 0%, var(--ai-deep) 100%);
  border-radius: var(--radius-lg);
  padding: 52px 32px;
  text-align: center;
  color: var(--white);
  margin: 44px 0 90px;
}

.cta-banner h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.14em;
  margin-bottom: 14px;
}

.cta-banner p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 30px;
}

.cta-banner .btn-primary {
  background: var(--white);
  color: var(--ai);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cta-banner .btn-primary:hover {
  background: var(--cream);
  color: var(--ai-deep);
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 1s cubic-bezier(0.25, 0.1, 0.25, 1),
    transform 1s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.12s; }
.fade-in-delay-2 { transition-delay: 0.24s; }
.fade-in-delay-3 { transition-delay: 0.36s; }
.fade-in-delay-4 { transition-delay: 0.48s; }

@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1; transform: none; transition: none; }
}

/* --- Responsive --- */
@media (min-width: 700px) {
  .audience-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .strength-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .hakko-points { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr 1.25fr; }
  .instructor-card {
    flex-direction: row;
    text-align: left;
    gap: 48px;
    padding: 52px 48px;
  }
  .instructor-info { text-align: left; }
  .safety-grid { grid-template-columns: repeat(3, 1fr); }
  .safety-item { padding: 82px 24px 28px; }
  .safety-number { top: 24px; }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero { min-height: auto; padding: 112px 20px 56px; }
  .br-mobile { display: initial; }
  .br-desktop { display: none; }
  .hero-brand-ja { font-size: 1.8rem; }
  .hero-brand-ja::before, .hero-brand-ja::after { width: 34px; }
  .hero-badge { padding: 8px 14px; font-size: 0.75rem; margin-bottom: 20px; }
  .hero-main { font-size: clamp(2.35rem, 11vw, 3.2rem); line-height: 1.35; margin-bottom: 18px; }
  .hero-sub { font-size: 0.96rem; line-height: 1.9; }
  .hero-chip { padding: 7px 13px; font-size: 0.76rem; }
  .hero-offer { padding: 14px 12px; line-height: 1.7; }
  .hero-offer span { display: block; margin: 0 0 2px; }
  .hero-proof span { width: 100%; max-width: 320px; }
  .hero-ctas .btn { width: 100%; max-width: 340px; }
  .readiness { padding-top: 72px; }
  .readiness-container { grid-template-columns: 1fr; gap: 42px; padding-bottom: 56px; }
  .readiness-copy .section-en { justify-content: center; }
  .readiness-copy .section-en::before { display: block; }
  .readiness-heading, .readiness-lead { text-align: center; }
  .readiness-heading { font-size: 1.58rem; }
  .readiness-point { padding: 22px 20px; gap: 14px; }
  .readiness-cta { margin: 0 16px; padding: 28px 22px; flex-direction: column; text-align: center; gap: 20px; }
  .readiness-cta .btn { width: 100%; }
  .schedule-card { padding: 8px 24px; }
  .form-card { padding: 34px 24px; }
  .audience-card p { text-align: center; }
  body { padding-bottom: 68px; }
  .mobile-contact-bar {
    display: flex;
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 10px;
    z-index: 90;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: var(--ai);
    color: var(--white);
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    box-shadow: 0 5px 18px rgba(36, 56, 76, 0.28);
  }
  .mobile-contact-bar:hover { color: var(--white); }
}