/* ============================================================
   からだ実験室 — style.css
   フォント: Shippori Mincho B1 / Noto Sans JP / Cormorant Garamond
   ============================================================ */

/* ===========================
   1. VARIABLES
=========================== */
:root {
  --color-bg:         #F7F4EF;
  --color-white:      #FFFFFF;
  --color-text:       #2A2118;
  --color-sub:        #706055;
  --color-border:     #E5DDD3;
  --color-bg-alt:     #EEEAE0;
  --color-accent:     #B8975A;
  --color-dark:       #1C1510;
  --color-dark-mid:   #2D2015;
  --color-line-green: var(--color-accent);

  --font-heading: "Shippori Mincho B1", "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --font-body:    "Noto Sans JP", "Yu Gothic", "Hiragino Sans", sans-serif;
  --font-en:      "Cormorant Garamond", "EB Garamond", Georgia, serif;

  --max-w:      1080px;
  --header-h:   72px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ===========================
   2. RESET
=========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 2.0;
  letter-spacing: 0.04em;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { background: none; border: none; cursor: pointer; font: inherit; }

/* ===========================
   3. UTILITY
=========================== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.section-en {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-header .section-en { margin-bottom: 0.9em; }
.section-header h2  { margin-bottom: 1.2em; }
.section-header p {
  max-width: 520px;
  margin: 0 auto;
  color: var(--color-sub);
  font-size: 0.875rem;
  line-height: 2.1;
}

hr.thin {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 1.8rem 0;
}

/* ===========================
   4. TYPOGRAPHY
=========================== */
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.65;
}
h1 { font-size: clamp(2.1rem, 5.5vw, 3.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.05rem, 1.8vw, 1.25rem); }

/* ===========================
   5. ANIMATIONS
=========================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   6. BUTTONS
=========================== */
.btn-primary-dark {
  display: inline-block;
  padding: 0.9em 2.8em;
  border: 1px solid rgba(255,255,255,0.7);
  color: #fff;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  transition: background 0.4s, border-color 0.4s;
}
.btn-primary-dark:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}

.btn-ghost {
  display: inline-block;
  padding: 0.9em 2.2em;
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.7);
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  transition: border-color 0.3s, color 0.3s;
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,0.6);
  color: rgba(255,255,255,0.95);
}

.btn-line {
  display: inline-block;
  padding: 0.55em 1.5em;
  background: var(--color-line-green);
  color: #fff;
  border-radius: 3px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  font-weight: 500;
  transition: opacity 0.3s;
}
.btn-line:hover { opacity: 0.82; }

.btn-line-large {
  display: inline-flex;
  align-items: center;
  gap: 0.65em;
  padding: 1em 3em;
  background: var(--color-line-green);
  color: #fff;
  border-radius: 3px;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  font-weight: 500;
  transition: opacity 0.3s, transform 0.3s var(--ease-out);
}
.btn-line-large:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

.btn-openchat {
  display: inline-block;
  padding: 1em 2.6em;
  border: 1px solid rgba(255,255,255,0.45);
  color: rgba(255,255,255,0.8);
  border-radius: 3px;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  transition: background 0.3s, border-color 0.3s;
}
.btn-openchat:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.7);
}

/* ===========================
   7. HEADER
=========================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: background 0.45s, box-shadow 0.45s;
}
.header.scrolled {
  background: rgba(247, 244, 239, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 24px rgba(0,0,0,0.07);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: baseline;
  gap: 0.25em;
  flex-shrink: 0;
}
.logo-en {
  font-family: var(--font-en);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: #fff;
  transition: color 0.45s;
}
.logo-ja {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: #fff;
  transition: color 0.45s;
}
.header.scrolled .logo-en,
.header.scrolled .logo-ja { color: var(--color-text); }

/* 商標登録マーク */
.trademark {
  font-family: var(--font-en);
  font-size: 0.5em;
  font-weight: 400;
  vertical-align: super;
  letter-spacing: 0;
  opacity: 0.65;
  margin-left: 0.1em;
}

/* Nav */
.nav { margin-left: auto; }
.nav-list { display: flex; gap: clamp(0.8rem, 1.5vw, 2.2rem); }
.nav-list a {
  font-size: clamp(0.7rem, 1vw, 0.8rem);
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.85);
  position: relative;
  padding-bottom: 2px;
  transition: color 0.3s;
  white-space: nowrap;
}
.nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width 0.35s var(--ease-out);
}
.nav-list a:hover { color: #fff; }
.nav-list a:hover::after { width: 100%; }
.header.scrolled .nav-list a { color: var(--color-sub); }
.header.scrolled .nav-list a:hover { color: var(--color-text); }

/* Header CTA */
.header-cta { flex-shrink: 0; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: #fff;
  transition: transform 0.35s, opacity 0.35s;
}
.header.scrolled .hamburger span { background: var(--color-text); }
.hamburger.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ===========================
   8. HERO
=========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(140deg, #0E0A06 0%, #1E150C 30%, #2E2010 55%, #1A120A 80%, #0E0A06 100%);
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 65% 45%, rgba(184,151,90,0.14) 0%, transparent 55%),
    radial-gradient(ellipse at 15% 75%, rgba(184,151,90,0.07) 0%, transparent 45%);
}
/* 細い斜め線の装飾 */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 80px,
    rgba(255,255,255,0.012) 80px,
    rgba(255,255,255,0.012) 81px
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: calc(var(--header-h) + 5rem) 2rem 7rem;
  width: 100%;
}

.hero-content .section-en {
  color: rgba(184,151,90,0.85);
  margin-bottom: 1.4em;
  letter-spacing: 0.35em;
}

.hero-content h1 {
  color: #FFFFFF;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.5;
  letter-spacing: 0.1em;
  margin-bottom: 1.4em;
  max-width: 680px;
}

.hero-sub {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  line-height: 2.1;
  letter-spacing: 0.08em;
  margin-bottom: 2.8em;
  max-width: 440px;
}

.hero-badges {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.hero-badges span {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 0.28em 1em;
}

.hero-btns {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  align-items: center;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.8rem;
  right: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: rgba(255,255,255,0.3);
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.hero-scroll-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, rgba(184,151,90,0.6), transparent);
  animation: lineDown 2.2s ease infinite;
  transform-origin: top;
}
@keyframes lineDown {
  0%   { transform: scaleY(0); opacity: 0; transform-origin: top; }
  40%  { transform: scaleY(1); opacity: 1; transform-origin: top; }
  60%  { transform: scaleY(1); opacity: 1; transform-origin: bottom; }
  100% { transform: scaleY(0); opacity: 0; transform-origin: bottom; }
}

/* ===========================
   9. CONCEPT
=========================== */
.concept {
  padding: 9rem 0;
  background: var(--color-white);
}
.concept-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.concept-inner .section-en { margin-bottom: 1.4em; }
.concept-catch {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  letter-spacing: 0.1em;
  line-height: 1.65;
  margin-bottom: 2em;
  color: var(--color-dark);
}
.concept-inner p {
  font-size: 0.95rem;
  line-height: 2.4;
  color: var(--color-sub);
  text-align: center;
  margin-bottom: 1.6rem;
}

/* ===========================
   9a. MANIFESTO
=========================== */
.manifesto {
  padding: 10rem 2rem;
  background: var(--color-dark);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.manifesto::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(184,151,90,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.manifesto-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}
.manifesto-sub {
  color: rgba(184,151,90,0.6);
  letter-spacing: 0.35em;
  margin-bottom: 1.8em;
}
.manifesto-main {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.1em;
  line-height: 1.6;
  margin-bottom: 1.4em;
}
.manifesto-for {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 400;
  color: rgba(184,151,90,0.85);
  letter-spacing: 0.12em;
  line-height: 1.8;
  border-top: 1px solid rgba(184,151,90,0.2);
  padding-top: 1.4em;
  display: inline-block;
}
@media (max-width: 640px) {
  .manifesto-main {
    font-size: clamp(1.25rem, 5.8vw, 1.6rem);
    letter-spacing: 0;
    line-height: 1.8;
  }
  .manifesto-for {
    letter-spacing: 0.06em;
  }
}

/* ===========================
   9a. FOREST — 生態系セクション
=========================== */
.forest-section {
  background: #131a14;
  padding: 9rem 1.5rem 10rem;
  overflow: hidden;
  position: relative;
}
.forest-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 30% 60%, rgba(40,70,35,0.45) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 75% 30%, rgba(20,50,25,0.35) 0%, transparent 70%);
  pointer-events: none;
}
.forest-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3.2rem;
}
.forest-line {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.6vw, 1.45rem);
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0.08em;
  color: rgba(235, 228, 215, 0.75);
  text-align: center;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.1s var(--ease-out), transform 1.1s var(--ease-out);
}
.forest-line.visible {
  opacity: 1;
  transform: none;
}
.forest-line--quiet {
  font-size: clamp(0.82rem, 1.8vw, 0.95rem);
  color: rgba(180, 210, 170, 0.45);
  letter-spacing: 0.12em;
  line-height: 2.1;
}
.forest-line--key {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3.2vw, 1.9rem);
  color: rgba(184, 210, 155, 0.82);
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 1rem 0;
  border-top: 1px solid rgba(184,210,155,0.15);
  border-bottom: 1px solid rgba(184,210,155,0.15);
}

/* ===========================
   9b. 保健室
=========================== */
.houkenshitsu {
  background: var(--color-dark);
  padding: 7rem 0;
}
.houkenshitsu-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
}
.houkenshitsu-inner .section-en {
  color: var(--color-accent);
}
.houkenshitsu-inner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 500;
  color: #F0EBE2;
  letter-spacing: 0.12em;
  margin-bottom: 1.8rem;
}
.houkenshitsu-lead {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 1.2rem;
}
.houkenshitsu-text p {
  font-size: 0.88rem;
  line-height: 2.1;
  color: rgba(240,235,226,0.65);
  margin-bottom: 1rem;
}
.houkenshitsu-badge {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 1.6rem 0;
}
.houkenshitsu-badge span {
  font-family: var(--font-body);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  border: 1px solid rgba(184,151,90,0.4);
  padding: 0.3em 0.9em;
  border-radius: 1px;
}
.btn-houkenshitsu {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  text-decoration: none;
  border: 1px solid rgba(184,151,90,0.5);
  padding: 0.75em 1.8em;
  border-radius: 1px;
  transition: background 0.2s, color 0.2s;
}
.btn-houkenshitsu:hover {
  background: rgba(184,151,90,0.12);
}
.houkenshitsu-symbol {
  opacity: 0.7;
  flex-shrink: 0;
}
@media (max-width: 640px) {
  .houkenshitsu-inner {
    grid-template-columns: 1fr;
  }
  .houkenshitsu-symbol { display: none; }
}

/* ===========================
   9c. REGULAR DAYS
=========================== */
.regular-days-section {
  padding: 7rem 0;
  background: var(--color-white);
}
.regular-days-inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}
.regular-days-inner .section-en {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--color-accent);
  margin-bottom: 1.2rem;
}
.regular-days-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-dark);
  line-height: 1.7;
  margin-bottom: 1.4rem;
}
.regular-days-lead {
  font-size: 0.88rem;
  line-height: 2;
  color: var(--color-sub);
  letter-spacing: 0.06em;
  margin-bottom: 3rem;
}

/* ===========================
   9c. ABOUT PLACE (unused)
=========================== */
.about-place {
  padding: 8rem 0;
  background: var(--color-white);
}
.about-place-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.about-place-inner .section-en {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  margin-bottom: 1.2rem;
}
.about-place-inner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-dark);
  margin-bottom: 2rem;
  line-height: 1.6;
}
.about-place-lead {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text);
  margin-bottom: 3.5rem;
}
.about-place-lead strong {
  color: var(--color-dark);
  font-weight: 500;
}

/* Regular Days */
.place-days-wrap {
  border-top: 1px solid var(--color-border);
  padding-top: 2.8rem;
}
.place-days-label {
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}
.place-days-sub {
  font-size: 0.88rem;
  color: var(--color-sub);
  letter-spacing: 0.06em;
  margin-bottom: 2rem;
}
.place-days-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 520px;
  margin: 0 auto;
}
.place-days-list li {
  display: grid;
  grid-template-columns: 220px 1fr;
  grid-template-rows: auto auto;
  column-gap: 1.4rem;
  row-gap: 0.3rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}
.place-days-list li:first-child {
  border-top: 1px solid var(--color-border);
}
.place-days-en {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  opacity: 0.75;
  grid-row: 1 / 3;
  grid-column: 1;
  padding-top: 0.25em;
  white-space: nowrap;
  width: 220px;
  flex-shrink: 0;
}
.place-days-ja {
  font-size: 1rem;
  letter-spacing: 0.06em;
  color: var(--color-dark);
  font-family: var(--font-heading);
  font-weight: 500;
  grid-row: 1;
  grid-column: 2;
}
.place-days-desc {
  font-family: var(--font-body);
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--color-sub);
  letter-spacing: 0.04em;
  grid-row: 2;
  grid-column: 2;
}

/* ===========================
   9c. SEED
=========================== */
.seed {
  padding: 9rem 0;
  background: var(--color-bg-alt);
}
.seed-inner {
  text-align: center;
}
.seed-inner .section-en {
  margin-bottom: 1em;
  letter-spacing: 0.5em;
}
.seed-inner h2 {
  margin-bottom: 0.6em;
}
.seed-lead {
  font-size: 0.95rem;
  color: var(--color-sub);
  letter-spacing: 0.08em;
  line-height: 1.9;
  margin-bottom: 4rem;
}

.seed-cycle {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}
.seed-season {
  flex: 1;
  max-width: 220px;
  padding: 2rem 1.5rem;
  text-align: center;
}
.seed-season-en {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  margin-bottom: 1em;
  display: block;
}
.seed-roman {
  font-size: 2rem;
  font-weight: 300;
  color: var(--color-accent);
  opacity: 0.5;
  margin-bottom: 1rem;
  line-height: 1;
  letter-spacing: 0.1em;
}
.seed-season h3 {
  font-size: 1rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.8em;
  color: var(--color-dark);
}
.seed-season p {
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--color-sub);
}
.seed-arrow {
  font-family: var(--font-en);
  font-size: 1.2rem;
  color: var(--color-accent);
  opacity: 0.4;
  padding-top: 5.5rem;
  flex-shrink: 0;
}

/* ===========================
   10. STORY
=========================== */
.story {
  padding: 9rem 0;
  background: var(--color-bg);
}

.story-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 5rem;
  align-items: start;
}

.story-image {
  position: sticky;
  top: calc(var(--header-h) + 2.5rem);
}
.story-image img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  border-radius: 2px;
  display: block;
}
.story-image-caption {
  margin-top: 1rem;
  text-align: center;
}

.story-item {
  padding: 3rem 0;
  border-bottom: 1px solid var(--color-border);
}
.story-item:first-child { padding-top: 0; }
.story-item:last-child { border-bottom: none; }

.story-age {
  display: block;
  color: var(--color-accent);
  margin-bottom: 1.4em;
  font-size: 0.68rem;
  letter-spacing: 0.24em;
}

.story-item p {
  font-size: 0.95rem;
  line-height: 2.3;
  color: var(--color-sub);
  overflow-wrap: break-word;
}
.story-item p + p {
  margin-top: 1.1em;
}

.story-track-record {
  margin-top: 1.6rem;
  padding: 1.2rem 1.4rem;
  background: var(--color-bg-alt);
  border-left: 2px solid var(--color-accent);
  border-radius: 0 4px 4px 0;
}
.story-track-label {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.9rem;
}
.story-track-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem 1.2rem;
}
.story-track-grid > div {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}
.story-track-num {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-dark);
  letter-spacing: 0.02em;
  line-height: 1;
}
.story-track-num small {
  font-size: 0.7rem;
  color: var(--color-sub);
  letter-spacing: 0.08em;
}
.story-track-num--text {
  font-size: 1.1rem;
}
.story-track-name {
  font-size: 0.78rem;
  color: var(--color-sub);
  letter-spacing: 0.06em;
}
@media (max-width: 640px) {
  .story-track-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.7rem;
  }
}
.story-item--highlight {
  background: var(--color-bg-alt);
  padding: 1.8rem 2rem;
  border-bottom: none;
  border-left: 2px solid var(--color-accent);
  border-radius: 0 2px 2px 0;
}
.story-item--highlight p { color: var(--color-text); }
.story-item--highlight strong {
  color: var(--color-dark);
  font-weight: 500;
}
.story-quote {
  font-size: 0.8rem;
  line-height: 1.9;
  color: #8a7d6b;
  font-style: italic;
  border-left: 1px solid var(--color-accent);
  padding-left: 1.2em;
  margin: 1.6em 0 0.4em;
  letter-spacing: 0.03em;
}
.story-quote-author {
  display: block;
  margin-top: 0.4em;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  font-style: normal;
  color: var(--color-accent);
}

/* ===========================
   11. EXPERIMENTS
=========================== */
.experiments {
  padding: 9rem 0;
  background: var(--color-dark);
}
.experiments .section-header h2  { color: #fff; }
.experiments .section-header p   { color: rgba(255,255,255,0.45); }
.experiments .section-header .section-en { color: rgba(184,151,90,0.8); }

/* アコーディオン：ダーク背景対応 */
.experiments .experiment-item      { border-bottom-color: rgba(255,255,255,0.1); }
.experiments .experiment-item:first-child { border-top-color: rgba(255,255,255,0.1); }
.experiments .experiment-title     { color: #fff; }
.experiments .experiment-toggle:hover { background: rgba(255,255,255,0.04); }
.experiments .experiment-body      { color: rgba(255,255,255,0.6); }
.experiments .experiment-arrow     { border-right-color: var(--color-accent); border-bottom-color: var(--color-accent); }
.experiments .experiment-fee       { color: rgba(255,255,255,0.4); }
.experiments .experiment-en-sub    { color: rgba(255,255,255,0.35); }

.experiments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
}

.experiment-card {
  background: var(--color-dark);
  padding: 2.8rem 2.2rem;
  transition: background 0.35s;
  position: relative;
}
.experiment-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 2.2rem; right: 2.2rem;
  height: 1px;
  background: rgba(184,151,90,0);
  transition: background 0.35s;
}
.experiment-card:hover { background: rgba(184,151,90,0.05); }
.experiment-card:hover::after { background: rgba(184,151,90,0.3); }

.experiment-number {
  font-size: 3.8rem;
  font-weight: 300;
  color: rgba(184,151,90,0.18);
  line-height: 1;
  letter-spacing: 0.02em;
  margin-bottom: 1.2rem;
}
.experiment-card h3 {
  color: rgba(255,255,255,0.88);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.experiment-card p {
  font-size: 0.82rem;
  line-height: 1.95;
  color: rgba(255,255,255,0.42);
  margin-bottom: 1.2rem;
}

/* 7枚目：3列の最終行で横幅を広げる */
.experiment-card--wide {
  grid-column: 2 / 4;
}

/* 開催形式タグ＋期間 */
.experiment-meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: auto;
  flex-wrap: wrap;
}

.experiment-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: rgba(184,151,90,0.6);
  border: 1px solid rgba(184,151,90,0.25);
  padding: 0.2em 0.8em;
  border-radius: 2px;
}

.experiment-period {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--color-sub);
  opacity: 0.75;
}

.experiment-link {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(184,151,90,0.35);
  padding-bottom: 0.05em;
  transition: opacity 0.2s;
}
.experiment-link:hover { opacity: 0.65; }

/* ===========================
   12. VOICE
=========================== */
.voice-section {
  padding: 6rem 0;
  background: var(--color-bg);
}
.voice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.8rem;
  margin-top: 3rem;
}
.voice-card {
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(28,21,16,0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}
.voice-label {
  padding: 1.1rem 1.2rem 0.9rem;
  border-bottom: 1px solid var(--color-border);
}
.voice-attr {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  border: 1px solid rgba(184,151,90,0.45);
  padding: 0.1rem 0.55rem;
  border-radius: 2px;
  margin-bottom: 0.55rem;
}
.voice-quote {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-dark);
  letter-spacing: 0.04em;
}
.voice-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(28,21,16,0.1);
}
.voice-video {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}
.voice-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}
@media (max-width: 640px) {
  .voice-grid {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }
}

/* ===========================
   13. 探究会
=========================== */
.tankyukai {
  padding: 9rem 0 8rem;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.tankyukai-badge {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.tankyukai-open {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  border: 1px solid rgba(184,151,90,0.45);
  padding: 0.35em 1.1em;
  border-radius: 2px;
}

.tankyukai-price-label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--color-sub);
}
.tankyukai-price-label strong {
  font-family: var(--font-en);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-dark);
  letter-spacing: 0.04em;
  margin-left: 0.3em;
}
.tankyukai-price-label small {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--color-sub);
  letter-spacing: 0.06em;
  margin-left: 0.2em;
}

.tankyukai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 4rem;
  border: 1px solid var(--color-border);
}

.tankyukai-card {
  background: var(--color-white);
  padding: 2.8rem 2.4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 0.3s;
}
.tankyukai-card:hover {
  background: rgba(184,151,90,0.04);
}

.tankyukai-num {
  font-size: 2rem;
  font-weight: 300;
  color: rgba(184,151,90,0.3);
  letter-spacing: 0.05em;
  line-height: 1;
}

.tankyukai-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-dark);
  margin: 0;
}

.tankyukai-card p {
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 2;
  color: var(--color-sub);
  margin: 0;
  flex: 1;
}

.tankyukai-meta {
  margin-top: 0.5rem;
  min-height: 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.tankyukai-fee {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  border: 1px solid rgba(184,151,90,0.35);
  padding: 0.22em 0.8em;
  border-radius: 2px;
}

.tankyukai-cta {
  text-align: center;
  margin-top: 4rem;
}

@media (max-width: 768px) {
  .tankyukai-grid {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   13. FLOW
=========================== */
.flow {
  padding: 9rem 0;
  background: var(--color-white);
}

.flow-steps {
  max-width: 640px;
  margin: 0 auto;
}

.flow-step {
  display: flex;
  gap: 2.5rem;
  padding: 2.8rem 0;
  border-bottom: 1px solid var(--color-border);
  align-items: flex-start;
}
.flow-step:last-child { border-bottom: none; }

.flow-number {
  font-size: 3.2rem;
  font-weight: 300;
  color: var(--color-accent);
  opacity: 0.45;
  line-height: 1;
  flex-shrink: 0;
  min-width: 58px;
  text-align: right;
  padding-top: 0.1em;
  letter-spacing: 0.02em;
}

.flow-content h3 {
  font-size: 1.05rem;
  margin-bottom: 0.65em;
  color: var(--color-dark);
  letter-spacing: 0.07em;
}
.flow-content p {
  font-size: 0.875rem;
  color: var(--color-sub);
  line-height: 2.0;
}

.flow-types {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}
.flow-type {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  border: 1px solid rgba(184,151,90,0.35);
  padding: 0.25em 0.9em;
  border-radius: 2px;
}

/* 無料／有料バッジ */
.flow-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 0.15em 0.7em;
  border-radius: 2px;
  vertical-align: middle;
  margin-left: 0.5rem;
  background: rgba(184,151,90,0.1);
  color: var(--color-accent);
  border: 1px solid rgba(184,151,90,0.3);
}
.flow-badge--paid {
  background: rgba(184,151,90,0.18);
  border-color: rgba(184,151,90,0.5);
}

/* ===========================
   13. PROFILE
=========================== */
.profile {
  padding: 9rem 0;
  background: var(--color-bg);
}

.profile-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 5.5rem;
  align-items: start;
}

.profile-image {
  order: 2;
}

.profile-content {
  order: 1;
}

.profile-image img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: center center;
  border-radius: 2px;
  display: block;
}

.profile-name-block { margin-bottom: 0.3rem; }
.profile-name-block .section-en { margin-bottom: 0.6em; }
.profile-name {
  font-size: 2rem;
  letter-spacing: 0.14em;
  color: var(--color-dark);
  margin-bottom: 0.5em;
  line-height: 1.4;
}
.profile-title {
  font-size: 0.8rem;
  color: var(--color-sub);
  letter-spacing: 0.08em;
  line-height: 2.0;
}

.profile-name-sub {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--color-sub);
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.profile-tags span {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  border: 1px solid rgba(184,151,90,0.5);
  padding: 0.28em 1em;
  border-radius: 2px;
  transition: background 0.3s;
}
.profile-tags span:hover {
  background: rgba(184,151,90,0.08);
}

.profile-content p {
  font-size: 0.875rem;
  line-height: 2.2;
  color: var(--color-sub);
  margin-bottom: 1.3em;
}
.profile-content p:last-child { margin-bottom: 0; }

/* ── Career Timeline ── */
.career-timeline {
  margin-top: 0.5rem;
}

/* Overview badges */
.career-overview {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.4rem;
}
.career-badge {
  flex: 1;
  border: 1px solid var(--color-accent);
  border-radius: 4px;
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  background: rgba(184,151,90,0.04);
}
.career-badge-num {
  font-size: 2rem;
  font-weight: 300;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: 0.04em;
}
.career-badge-unit {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  opacity: 0.7;
}
.career-badge-label {
  font-size: 0.8rem;
  color: var(--color-dark);
  margin-top: 0.3rem;
  letter-spacing: 0.1em;
}

/* Timeline track */
.career-track {
  position: relative;
  padding-left: 52px;
}
.career-track::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--color-border) 8%, var(--color-border) 92%, transparent);
}

/* Era label */
.career-era-label {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  color: var(--color-accent);
  opacity: 0.8;
  margin: 1.6rem 0 0.8rem -52px;
  padding-left: 8px;
  border-left: 2px solid var(--color-accent);
}
.career-era-label:first-child {
  margin-top: 0;
}

/* Timeline node */
.career-node {
  display: flex;
  align-items: flex-start;
  position: relative;
  padding: 0.5rem 0 0.5rem 0;
  gap: 0;
}
.career-node-year {
  position: absolute;
  left: -52px;
  top: 0.55rem;
  width: 42px;
  text-align: right;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--color-sub);
  line-height: 1;
}
.career-node-dot {
  position: absolute;
  left: -23px;
  top: 0.6rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-border);
  border: 1px solid #c4b49a;
  flex-shrink: 0;
  z-index: 1;
}
.career-node-dot--current {
  width: 11px;
  height: 11px;
  left: -25px;
  top: 0.48rem;
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184,151,90,0.2);
}
.career-node-content {
  font-size: 0.84rem;
  color: var(--color-text);
  letter-spacing: 0.04em;
  line-height: 1.7;
}
.career-node--now .career-node-year {
  color: var(--color-accent);
  font-weight: 500;
}
.career-node--now .career-node-dot {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.career-node--now .career-node-content {
  color: var(--color-dark);
  font-weight: 500;
}
.career-node-sponsor {
  font-size: 0.7rem;
  color: var(--color-sub);
  opacity: 0.6;
  letter-spacing: 0.03em;
  line-height: 1.6;
}

.profile-affiliate-block {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.profile-affiliate {
  font-size: 0.8rem !important;
  color: var(--color-sub) !important;
  letter-spacing: 0.05em;
  margin: 0 !important;
}
.btn-affiliate {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  border: 1px solid rgba(184,151,90,0.45);
  padding: 0.65em 1.6em;
  text-decoration: none;
  border-radius: 2px;
  transition: background 0.25s, color 0.25s;
  align-self: flex-start;
}
.btn-affiliate:hover {
  background: rgba(184,151,90,0.1);
}

/* SEED responsive */
@media (max-width: 768px) {
  .seed-cycle {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
  .seed-season { max-width: 100%; padding: 1.5rem 1rem; }
  .seed-arrow {
    transform: rotate(90deg);
    padding-top: 0;
    padding: 0.2rem 0;
  }
}

/* ===========================
   13b. SOCIAL
=========================== */
.social-section {
  padding: 8rem 0;
  background: var(--color-bg-alt);
}
.social-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}
.social-inner .section-en {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  margin-bottom: 1.2rem;
}
.social-inner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-dark);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.social-lead {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-sub);
  margin-bottom: 3rem;
}
.social-programs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.social-program {
  text-align: center;
}
.social-program-en {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}
.social-program h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-dark);
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}
.social-program p {
  font-size: 0.8rem;
  color: var(--color-sub);
  letter-spacing: 0.06em;
}
.social-program-note {
  margin-top: 0.7rem !important;
  font-size: 0.78rem !important;
  color: rgba(255,255,255,0.5) !important;
  line-height: 1.8 !important;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 0.6rem;
}
.social-divider {
  font-family: var(--font-en);
  font-size: 1.4rem;
  color: var(--color-border);
  align-self: center;
}
.social-note {
  font-size: 0.85rem;
  color: var(--color-sub);
  margin-bottom: 2rem;
  line-height: 1.8;
}
.btn-ghost-dark {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--color-dark);
  border: 1px solid var(--color-dark);
  padding: 0.85em 2.4em;
  border-radius: 2px;
  text-decoration: none;
  transition: background 0.25s, color 0.25s;
}
.btn-ghost-dark:hover {
  background: var(--color-dark);
  color: var(--color-white);
}

/* ===========================
   14. LINE CTA
=========================== */
.line-cta {
  padding: 9rem 0;
  background: linear-gradient(135deg, #0E0A06 0%, #2A1C0E 40%, #1C1208 70%, #0E0A06 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.line-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(184,151,90,0.1) 0%, transparent 65%);
  pointer-events: none;
}

.line-cta-inner { position: relative; z-index: 1; }
.line-cta-inner .section-en {
  color: rgba(184,151,90,0.75);
  margin-bottom: 1.2em;
}
.line-cta-inner h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-bottom: 1.4em;
}
.line-cta-inner > p {
  color: rgba(255,255,255,0.52);
  font-size: 0.875rem;
  line-height: 2.1;
  margin-bottom: 3.2rem;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
}
.line-cta-btns {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  align-items: center;
}

/* 料金比較表 */
.price-table-wrap {
  overflow-x: auto;
  margin-bottom: 2.5rem;
}
.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  min-width: 480px;
}
.price-table th,
.price-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  color: rgba(255,255,255,0.75);
}
.price-table th {
  background: rgba(255,255,255,0.06);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  line-height: 1.6;
}
.price-table th small {
  display: block;
  color: rgba(255,255,255,0.45);
  font-size: 0.72rem;
  margin-top: 0.2rem;
}
.price-table td:first-child {
  text-align: left;
  color: rgba(255,255,255,0.55);
  font-size: 0.78rem;
}
.price-table .price-table-highlight {
  background: rgba(184,151,90,0.12);
  color: var(--color-accent);
}
.price-table .price-table-highlight small {
  color: rgba(184,151,90,0.7);
}
.price-table .price-table-top {
  background: rgba(184,151,90,0.22);
  color: #e8cc8a;
}
.price-table .price-table-top small {
  color: rgba(232,204,138,0.65);
}
.price-table tbody tr:hover td {
  background: rgba(255,255,255,0.03);
}

/* 料金プラン（2カラム） */
.price-plans {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.8rem;
}
.price-plan {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid rgba(184,151,90,0.35);
  padding: 2rem 2.4rem;
  background: rgba(184,151,90,0.06);
  border-radius: 3px;
  min-width: 220px;
  position: relative;
}
.price-plan--core {
  border-color: rgba(184,151,90,0.7);
  background: rgba(184,151,90,0.12);
}
.price-plan-badge {
  position: absolute;
  top: -0.7rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  padding: 0.2em 1em;
  border-radius: 2px;
}
.price-plan-label {
  color: rgba(184,151,90,0.75);
  letter-spacing: 0.28em;
  font-size: 0.62rem;
  margin-top: 0.4rem;
}
.price-plan-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 500;
  color: #fff;
  letter-spacing: 0.08em;
}
.price-plan-desc {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  text-align: center;
  letter-spacing: 0.04em;
}
.price-plan-perk {
  display: inline-block;
  margin-top: 0.6em;
  font-size: 0.72rem;
  color: var(--color-accent);
  border: 1px solid rgba(184,151,90,0.4);
  padding: 0.2em 0.8em;
  border-radius: 2px;
  letter-spacing: 0.1em;
}
.btn-join--gold {
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 0.8rem;
  padding: 0.8em 2em;
}
.btn-join--gold:hover {
  background: var(--color-accent);
  color: #fff;
  opacity: 1;
}

/* 料金バッジ（旧・互換） */
.price-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4em;
  border: 1px solid rgba(184,151,90,0.35);
  padding: 1.4rem 3rem;
  margin-bottom: 2.8rem;
  background: rgba(184,151,90,0.06);
}
.price-label {
  color: rgba(184,151,90,0.75);
  letter-spacing: 0.28em;
  font-size: 0.65rem;
}
.price-amount {
  display: flex;
  align-items: baseline;
  gap: 0.2em;
}
.price-num {
  font-family: var(--font-en);
  font-size: 3.2rem;
  font-weight: 300;
  color: #fff;
  letter-spacing: 0.04em;
  line-height: 1;
}
.price-unit {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.08em;
}

/* 申込ボタン（Square） */
.btn-join {
  display: inline-block;
  padding: 1em 3em;
  background: var(--color-accent);
  color: #fff;
  border-radius: 3px;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  font-weight: 500;
  transition: opacity 0.3s, transform 0.3s var(--ease-out);
}
.btn-join:hover {
  opacity: 0.88;
  transform: translateY(-2px);
}

.price-note {
  font-size: 0.75rem !important;
  color: rgba(255,255,255,0.32) !important;
  margin-top: 1.8rem !important;
  margin-bottom: 0 !important;
  letter-spacing: 0.06em;
}

/* ===========================
   15. FAQ
=========================== */
.faq {
  padding: 9rem 0;
  background: var(--color-white);
}

.faq-list {
  max-width: 640px;
  margin: 0 auto;
}

.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item:first-child { border-top: 1px solid var(--color-border); }

.faq-q {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.7rem 0;
  width: 100%;
  text-align: left;
  transition: opacity 0.2s;
}
.faq-q:hover { opacity: 0.7; }

.faq-q-label {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  flex-shrink: 0;
  width: 1.2em;
  line-height: 1;
}
.faq-q p {
  flex: 1;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  line-height: 1.7;
  color: var(--color-text);
}
.faq-arrow {
  font-size: 1.1rem;
  color: var(--color-accent);
  transition: transform 0.35s var(--ease-out);
  line-height: 1;
  flex-shrink: 0;
  font-family: var(--font-en);
  font-weight: 300;
}
.faq-item.open .faq-arrow { transform: rotate(45deg); }

.faq-a {
  padding: 0 0 1.8rem 2.4rem;
}
.faq-a[hidden] { display: none; }
.faq-a p {
  font-size: 0.85rem;
  line-height: 2.1;
  color: var(--color-sub);
}
.faq-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin: 1rem 0 0.5rem;
}
.faq-compare-col {
  background: rgba(184,151,90,0.07);
  border: 1px solid rgba(184,151,90,0.2);
  border-radius: 4px;
  padding: 1.2rem 1.4rem;
}
.faq-compare-col--free {
  background: rgba(0,0,0,0.02);
  border-color: var(--color-border);
}
.faq-compare-title {
  font-family: var(--font-heading);
  font-size: 0.82rem !important;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-dark) !important;
  margin-bottom: 0.8rem !important;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.5 !important;
}
.faq-compare ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.faq-compare li {
  font-size: 0.8rem;
  color: var(--color-sub);
  line-height: 1.6;
  padding-left: 1.1em;
  position: relative;
}
.faq-compare li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-size: 0.7rem;
  opacity: 0.7;
}
@media (max-width: 600px) {
  .faq-compare { grid-template-columns: 1fr; }
}
/* FAQ inner bullet list */
.faq-list-inner {
  list-style: none;
  padding: 0.4rem 0 0.2rem 0;
  margin: 0.5rem 0 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.faq-list-inner li {
  padding-left: 1.4em;
  position: relative;
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-text);
}
.faq-list-inner li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 500;
}
.faq-list-inner strong {
  color: var(--color-dark);
  font-weight: 500;
}

.faq-form-link {
  display: inline-block;
  margin-top: 0.8rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(184,151,90,0.4);
  padding-bottom: 0.1em;
  transition: opacity 0.2s;
}
.faq-form-link:hover { opacity: 0.65; }

/* ===========================
   16. FOOTER
=========================== */
.footer {
  background: var(--color-dark);
  padding: 5.5rem 0 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 2rem;
}

.footer-brand .logo { margin-bottom: 1.2rem; }
.footer-brand .logo-en,
.footer-brand .logo-ja { color: rgba(255,255,255,0.75); }
.footer-brand p {
  font-size: 0.8rem;
  line-height: 2.0;
  color: rgba(255,255,255,0.38);
}

.footer-nav-title {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.4rem;
  font-weight: 400;
}
.footer-nav ul li { margin-bottom: 0.7rem; }
.footer-nav a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.42);
  transition: color 0.3s;
}
.footer-nav a:hover { color: rgba(255,255,255,0.75); }

.footer-info p {
  font-size: 0.8rem;
  line-height: 2.0;
  color: rgba(255,255,255,0.42);
  margin-bottom: 1.2rem;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-links a {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.28);
  transition: color 0.3s;
}
.footer-links a:hover { color: rgba(255,255,255,0.55); }

.footer-bottom {
  text-align: center;
}
.footer-bottom p {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.2);
}

/* ===========================
   17. FIXED CTA (スマホ)
=========================== */
.fixed-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 900;
  padding: 0.75rem 1rem;
  background: rgba(247,244,239,0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 -1px 20px rgba(0,0,0,0.09);
}
.fixed-cta-inner {
  display: flex;
  gap: 0.6rem;
}
.btn-line-fixed {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  flex: 1;
  padding: 0.9em 0.5em;
  background: var(--color-line-green);
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  font-weight: 500;
  border-radius: 3px;
  transition: opacity 0.3s;
}
.btn-line-fixed:hover { opacity: 0.85; }
.btn-join-fixed {
  background: var(--color-accent);
  flex: 1.6;
  font-size: 0.8rem;
}

/* ===========================
   18. RESPONSIVE — 900px
=========================== */
@media (max-width: 900px) {
  .story-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .story-image {
    position: static;
    max-width: 380px;
    margin: 0 auto;
  }
  .experiments-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .profile-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .profile-image { order: 1; max-width: 380px; margin: 0 auto; }
  .profile-content { order: 2; }
  .profile-image-placeholder {
    max-width: 340px;
    margin: 0 auto;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand { grid-column: 1 / -1; }
}

/* ===========================
   19. RESPONSIVE — 768px
=========================== */
@media (max-width: 768px) {
  /* Nav */
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(247,244,239,0.97);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1.8rem 2rem 2.5rem;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s var(--ease-out), opacity 0.4s;
    z-index: 999;
    border-top: 1px solid var(--color-border);
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-list {
    flex-direction: column;
    gap: 1.4rem;
  }
  .nav-list a {
    font-size: 0.95rem;
    color: var(--color-text) !important;
  }
  .header-cta { display: none; }
  .hamburger { display: flex; }

  /* Hero */
  .hero-content {
    padding: calc(var(--header-h) + 3.5rem) 1.5rem 5rem;
  }
  .hero-scroll { display: none; }

  /* Experiments */
  .experiments-grid {
    grid-template-columns: 1fr;
  }
  .experiment-card--wide {
    grid-column: 1;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  /* Fixed CTA */
  .fixed-cta { display: block; }
  body { padding-bottom: 64px; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.2rem; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .line-cta-btns { flex-direction: column; align-items: center; }
  .flow-step { gap: 1.5rem; }
  .flow-number { font-size: 2.4rem; min-width: 46px; }
}

/* ========== SOCIAL IMPACT ========== */
.social-dark-bg {
  background: #0e0b08;
  padding: 7rem 0;
}
.social-section .social-inner h2 {
  color: #fff;
  margin-bottom: 3rem;
}
.social-section .section-en {
  color: var(--color-accent);
}
.social-impact {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  margin: 0 auto 1rem;
  max-width: 1080px;
  border: 1px solid rgba(184,151,90,0.2);
  border-radius: 4px;
  overflow: hidden;
}
.social-impact-item {
  flex: 1;
  text-align: center;
  padding: 2.5rem clamp(0.8rem, 2vw, 1.5rem);
}
.social-impact-divider {
  width: 1px;
  background: rgba(184,151,90,0.3);
  flex-shrink: 0;
  margin: 1rem 0;
}
.social-impact-num {
  font-family: var(--font-en);
  font-size: clamp(3.5rem, 10vw, 6rem);
  font-weight: 300;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.social-impact-num span {
  font-size: 0.4em;
  letter-spacing: 0.05em;
}
.social-impact-num--text {
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  letter-spacing: 0.05em;
}
.social-impact-num--text span {
  font-size: 0.5em;
  font-family: var(--font-body);
}
.social-impact-title {
  font-family: var(--font-heading);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: #fff;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.social-impact-sub {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.03em;
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.social-impact-source {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.25);
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: 0.05em;
}
.social-section .social-lead {
  color: rgba(255,255,255,0.75);
}
.social-section .social-note {
  color: rgba(255,255,255,0.55);
}
.social-section .social-program h3 {
  color: #fff;
}
.social-section .social-program p {
  color: rgba(255,255,255,0.65);
}
.social-section .social-program small {
  color: var(--color-accent);
}
.social-section .social-divider {
  color: rgba(255,255,255,0.3);
}
@media (max-width: 768px) {
  .social-impact {
    grid-template-columns: 1fr 1fr;
    border: 1px solid rgba(184,151,90,0.2);
    border-radius: 4px;
    overflow: hidden;
  }
  .social-impact-divider {
    display: none;
  }
  /* dividerはdisplay:noneだがDOM上はchild番号にカウントされる
     item = child(1,3,5,7) / divider = child(2,4,6)
     左列 = child(1,5) = 4n+1 / 右列 = child(3,7) = 4n+3
     上段 = child(1,3) / 下段 = child(5,7) = last-child & nth-last-child(3) */
  .social-impact-item {
    padding: 1.8rem 1rem;
    border-right: 1px solid rgba(184,151,90,0.15);
    border-bottom: 1px solid rgba(184,151,90,0.15);
  }
  /* 右列アイテム：右ボーダーなし */
  .social-impact-item:nth-child(4n+3) {
    border-right: none;
  }
  /* 下段アイテム：下ボーダーなし */
  .social-impact-item:last-child,
  .social-impact-item:nth-last-child(3) {
    border-bottom: none;
  }
  .social-impact-num {
    font-size: clamp(2.2rem, 8vw, 3.2rem);
  }
  .social-impact-title {
    font-size: 0.8rem;
  }
  .social-impact-sub {
    font-size: 0.68rem;
  }
}

/* ========== SOCIAL REASON TOP3 ========== */
.social-reason {
  max-width: 560px;
  margin: 0 auto 3rem;
  text-align: center;
}
.social-reason-label {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}
.social-reason-title {
  font-family: var(--font-heading);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}
.social-reason-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.8rem;
}
.social-reason-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 3px;
  padding: 0.9rem 1.4rem;
  text-align: left;
  transition: border-color 0.3s;
}
.social-reason-item:first-child {
  border-color: rgba(184,151,90,0.35);
  background: rgba(184,151,90,0.06);
}
.social-reason-rank {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  min-width: 24px;
}
.social-reason-text {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: #fff;
  letter-spacing: 0.1em;
  flex: 1;
}
.social-reason-count {
  font-family: var(--font-en);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 300;
  color: var(--color-accent);
  letter-spacing: -0.02em;
  line-height: 1;
}
.social-reason-count small {
  font-size: 0.55em;
  color: rgba(184,151,90,0.7);
  letter-spacing: 0.05em;
}
.social-reason-note {
  font-family: var(--font-heading);
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  color: rgba(255,255,255,0.8);
  line-height: 2;
  letter-spacing: 0.1em;
  border-top: 1px solid rgba(184,151,90,0.2);
  padding-top: 1.4rem;
}
.social-reason-note strong {
  color: var(--color-accent);
}

/* ========== RETREAT SECTION ========== */
.retreat-section {
  position: relative;
  padding: 7rem 0;
  overflow: hidden;
}
.retreat-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #0e0b08 0%, #1c1510 50%, #0a0d0f 100%);
  z-index: 0;
}
.retreat-section .container {
  position: relative;
  z-index: 1;
}
.retreat-section .section-header {
  margin-bottom: 3.5rem;
}
.retreat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.retreat-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  transition: border-color 0.3s;
}
.retreat-card:hover {
  border-color: rgba(184,151,90,0.4);
}
.retreat-card--featured {
  border-color: rgba(184,151,90,0.3);
  background: rgba(184,151,90,0.06);
}
.retreat-card-label {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--color-accent);
}
.retreat-card h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  color: #fff;
  letter-spacing: 0.08em;
  line-height: 1.5;
}
.retreat-card p {
  font-size: 0.88rem;
  line-height: 2;
  color: rgba(255,255,255,0.65);
  flex: 1;
}
.retreat-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.retreat-tag {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.3em 0.8em;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 2px;
  color: rgba(255,255,255,0.6);
}
.retreat-tag--date {
  border-color: rgba(184,151,90,0.5);
  color: var(--color-accent);
}
.retreat-btn {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 3px;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  text-align: center;
  transition: all 0.3s;
}
.retreat-btn:hover {
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}
.retreat-btn--accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.retreat-btn--accent:hover {
  background: #c9a86a;
  border-color: #c9a86a;
  color: #fff;
}
@media (max-width: 640px) {
  .retreat-grid {
    grid-template-columns: 1fr;
  }
  .retreat-section {
    padding: 5rem 0;
  }
}

/* ========== STORY EMPHASIS ========== */
.story-emphasis {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  margin: 1.2rem 0;
  text-align: center;
}

/* ========== STAT ROW ========== */
.stat-row {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 3rem;
  border: 1px solid rgba(184,151,90,0.25);
  border-radius: 4px;
  overflow: hidden;
}
.stat-row--dark {
  border-color: rgba(255,255,255,0.15);
  margin-bottom: 2.5rem;
}
.stat-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
  gap: 0.75rem;
}
.stat-divider {
  width: 1px;
  height: 80px;
  background: rgba(184,151,90,0.25);
  flex-shrink: 0;
}
.stat-row--dark .stat-divider {
  background: rgba(255,255,255,0.15);
}
.stat-num {
  font-family: var(--font-en);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 300;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-unit {
  font-size: 0.5em;
  letter-spacing: 0.05em;
}
.stat-label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--color-text);
  letter-spacing: 0.05em;
}
.stat-row--dark .stat-label {
  color: rgba(255,255,255,0.7);
}
.stat-label small {
  display: block;
  font-size: 0.75em;
  color: var(--color-sub);
  margin-top: 0.2em;
}
.stat-row--dark .stat-label small {
  color: rgba(255,255,255,0.4);
}
.stat-source {
  font-size: 0.72rem;
  color: var(--color-sub);
  text-align: right;
  margin-top: 0.75rem;
  letter-spacing: 0.05em;
}
.stat-source--dark {
  color: rgba(255,255,255,0.35);
}
@media (max-width: 600px) {
  .stat-row {
    flex-direction: column;
  }
  .stat-divider {
    width: 80px;
    height: 1px;
  }
  .stat-item {
    padding: 1.5rem 1rem;
  }
}

/* ========== CHATBOT FAB ========== */
.chatbot-fab {
  position: fixed;
  bottom: 88px;
  right: 20px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: var(--color-dark);
  border: 1px solid rgba(184,151,90,0.5);
  border-radius: 50px;
  padding: 10px 14px 8px;
  text-decoration: none;
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}
.chatbot-fab:hover {
  background: #2a201a;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(184,151,90,0.25);
}
.chatbot-fab-label {
  font-family: var(--font-body);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  white-space: nowrap;
}
@media (min-width: 769px) {
  .chatbot-fab {
    bottom: 32px;
    right: 32px;
    padding: 12px 16px 10px;
  }
  .chatbot-fab-label {
    font-size: 0.68rem;
  }
}

/* ===========================
   MEMBER VOICE BLOCK
=========================== */
.member-voice-block {
  margin-top: 4rem;
  padding: 2.8rem 2rem;
  background: var(--color-bg-alt);
  border-radius: 4px;
  text-align: center;
}
.member-voice-en {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.6rem;
}
.member-voice-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 400;
  color: var(--color-dark);
  letter-spacing: 0.08em;
  margin-bottom: 1.8rem;
}
.lead-voice-link-block {
  margin-top: 2rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}
.lead-voice-link-label {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.5rem;
}
.lead-voice-link-text {
  font-size: 0.85rem;
  color: var(--color-sub);
  line-height: 2;
  margin-bottom: 1.2rem;
}
.member-voice-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}
.member-voice-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 1.4rem 1.2rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  text-align: left;
}
.member-voice-card-name {
  font-family: var(--font-en);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--color-accent);
}
.member-voice-card-quote {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-dark);
  flex: 1;
}
.member-voice-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--color-sub);
  text-decoration: none;
  margin-top: 0.4rem;
  transition: color 0.2s;
}
.member-voice-card-link:hover { color: var(--color-accent); }
@media (max-width: 640px) {
  .member-voice-cards {
    grid-template-columns: 1fr;
  }
  .member-voice-block {
    padding: 2rem 1.2rem;
  }
}
.member-voice-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-bottom: 2rem;
}
.member-voice-tags span {
  font-family: var(--font-heading);
  font-size: clamp(0.82rem, 2vw, 0.95rem);
  color: var(--color-dark);
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 0.4rem 1rem;
  border-radius: 2rem;
  letter-spacing: 0.04em;
  line-height: 1.5;
}
.member-voice-founder {
  font-family: var(--font-heading);
  font-size: clamp(0.88rem, 2vw, 1rem);
  color: var(--color-sub);
  line-height: 1.9;
  margin-bottom: 1.6rem;
  font-style: italic;
}
.member-voice-author {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  font-style: normal;
  margin-top: 0.4rem;
}
.member-voice-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  border: 1px solid rgba(184,151,90,0.45);
  padding: 0.55rem 1.2rem;
  border-radius: 2px;
  transition: background 0.2s, border-color 0.2s;
  text-decoration: none;
}
.member-voice-link:hover {
  background: rgba(184,151,90,0.07);
  border-color: var(--color-accent);
}

/* ===========================
   EXPERIMENT ACCORDION
=========================== */
.experiments-list {
  display: flex;
  flex-direction: column;
  max-width: 720px;
  margin: 0 auto;
}
.experiment-item {
  border-bottom: 1px solid var(--color-border);
}
.experiment-item:first-child {
  border-top: 1px solid var(--color-border);
}
.experiment-toggle {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1.1rem 0.25rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s;
}
.experiment-toggle:hover {
  background: rgba(184,151,90,0.05);
}
.experiment-number {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  width: 1.8rem;
  flex-shrink: 0;
}
.experiment-title {
  flex: 1;
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-dark);
  letter-spacing: 0.06em;
}
.experiment-arrow {
  width: 18px;
  height: 18px;
  border-right: 1.5px solid var(--color-accent);
  border-bottom: 1.5px solid var(--color-accent);
  transform: rotate(45deg);
  transition: transform 0.3s var(--ease-out);
  flex-shrink: 0;
  margin-right: 0.25rem;
  margin-bottom: 4px;
}
.experiment-item.open .experiment-arrow {
  transform: rotate(-135deg);
  margin-bottom: -4px;
}
.experiment-body {
  padding: 0 0.25rem 1.4rem 2.8rem;
  color: var(--color-sub);
  font-size: 0.88rem;
  line-height: 2.0;
}
.experiment-body[hidden] { display: none; }
.experiment-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.8rem;
  align-items: center;
}
.experiment-tag {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  border: 1px solid rgba(184,151,90,0.5);
  padding: 0.15rem 0.6rem;
  border-radius: 2px;
}
.experiment-period {
  font-size: 0.72rem;
  color: var(--color-sub);
  letter-spacing: 0.1em;
}
.experiment-fee {
  font-family: var(--font-en);
  font-size: 0.72rem;
  color: var(--color-sub);
  letter-spacing: 0.08em;
  white-space: nowrap;
  margin-right: 0.25rem;
}
.experiment-en-sub {
  font-family: var(--font-en);
  font-size: 0.7rem;
  color: var(--color-sub);
  letter-spacing: 0.15em;
  margin-left: 0.6rem;
  font-weight: 400;
}

/* ===========================
   CAREER MORE TOGGLE
=========================== */
.career-more-wrap[hidden] { display: none; }
.career-more-wrap {
  /* visible state — no extra styling needed */
}

.career-more-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 1.6rem auto 0 auto;
  padding: 0.6rem 1.4rem;
  border: 1px solid rgba(184,151,90,0.45);
  border-radius: 2px;
  background: none;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.career-more-btn:hover {
  background: rgba(184,151,90,0.06);
  border-color: var(--color-accent);
}
.career-more-btn-text {
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}
.career-more-btn-arrow {
  font-size: 1rem;
  color: var(--color-accent);
  transition: transform 0.3s var(--ease-out);
  display: inline-block;
}
.career-more-btn.open .career-more-btn-arrow {
  transform: rotate(45deg);
}

/* ===========================
   ACCORDION — MOBILE
=========================== */
@media (max-width: 640px) {
  .experiment-toggle {
    gap: 0.5rem;
    padding: 1rem 0.1rem;
  }
  .experiment-number {
    width: 1.4rem;
    font-size: 0.62rem;
  }
  .experiment-title {
    font-size: 0.9rem;
  }
  /* スマホでは月額をボタン内に出さない（展開後のbodyで確認できる） */
  .experiment-fee {
    display: none;
  }
  /* 英語サブラベルを改行して小さく */
  .experiment-en-sub {
    display: block;
    margin-left: 0;
    margin-top: 0.2rem;
    font-size: 0.6rem;
    letter-spacing: 0.1em;
  }
  .experiment-arrow {
    width: 14px;
    height: 14px;
    margin-right: 0.1rem;
  }
  .experiment-body {
    padding: 0 0.1rem 1.2rem 1.9rem;
  }
  /* 経歴もっと見るボタン */
  .career-more-btn {
    padding: 0.5rem 1rem;
  }
  /* コンセプト段落 — スマホは左揃えで改行を自然に */
  .concept-inner p {
    text-align: left;
  }
  /* こども相談室セクション */
  .kodomo-section-inner {
    flex-direction: column;
    gap: 2rem;
  }
}
}