/* ==========================================================
   Variables
   ========================================================== */
:root {
  --color-bg:          #F4EDE0;
  --color-bg-card:     #FEFCF8;
  --color-primary:     #FF8179;
  --color-primary-dk:  #EE6B63;
  --color-green:       #7DCFB3;
  --color-green-dk:    #5AB89E;
  --color-pink-pale:   #F5D5CF;
  --color-green-pale:  #C6EBE1;
  --color-beige:       #EBD9C4;
  --color-text:        #4A3F35;
  --color-text-sub:    #8A7B6C;
  --color-border:      #E0D0BC;
  --color-white:       #FFFFFF;

  --font-base:   'M PLUS Rounded 1c', sans-serif;
  --radius-card: 28px;
  --radius-pill: 999px;
  --content-w:   1060px;
}

/* ==========================================================
   Reset / Base
   ========================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,p,ul,ol,dl,figure,blockquote { margin: 0; padding: 0; }
ul,ol { list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* ==========================================================
   Deco — stars / blocks
   ========================================================== */
.deco-star {
  display: inline-block;
  font-size: 1rem;
  color: var(--color-primary);
  opacity: 0.55;
  pointer-events: none;
  user-select: none;
}
.deco-star--green { color: var(--color-green); }
.deco-star--sm    { font-size: 0.7rem; }
.deco-star--lg    { font-size: 1.4rem; }

.mc-block {
  display: inline-block;
  width: 22px; height: 22px;
  border-radius: 4px;
  vertical-align: middle;
  margin-right: 6px;
}
.mc-block--green { background: var(--color-green); }
.mc-block--coral { background: var(--color-primary); }

/* ==========================================================
   Header / Nav
   ========================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 32px;
}

.site-header__inner {
  max-width: var(--content-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 48px;
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--color-text);
  white-space: nowrap;
  flex-shrink: 0;
}

.site-header__logo img {
  height: 50px;
  width: auto;
}

/* ハンバーガーボタン（スマホのみ表示） */
.site-header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
  border-radius: 8px;
}
.site-header__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
  transform-origin: center;
}
.site-header__hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-header__hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.site-header__hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================
   ママクラ紹介セクション
   ========================================================== */
.mamacra-intro {
  padding: 80px 20px;
  background: var(--color-beige);
}

.mamacra-intro__inner {
  max-width: var(--content-w);
  margin: 0 auto;
}

.mamacra-intro__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 20px;
}

.mamacra-intro__lead {
  text-align: center;
  color: var(--color-text);
  line-height: 1.9;
  margin-bottom: 56px;
}

.mamacra-intro__discord-box {
  background: var(--color-bg-card);
  border-radius: var(--radius-card);
  padding: 60px;
  margin-bottom: 56px;
  border: 1px solid var(--color-border);
}

.mamacra-intro__discord-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 16px;
}

.mamacra-intro__discord-text {
  color: var(--color-text);
  line-height: 1.9;
  margin-bottom: 28px;
}

.mamacra-intro__mockup {
  border-radius: 12px;
  overflow: hidden;
}


/* === Discord モックアップ（インライン版） === */
.discord-window {
  width: 100%;
  height: 500px;
  background: #313338;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.server-list {
  width: 72px;
  background: #1E1F22;
  padding: 12px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.server-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #5865F2;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: border-radius 0.2s;
  position: relative;
}
.server-icon.active { border-radius: 16px; }
.server-icon.active::before {
  content: '';
  position: absolute;
  left: -12px;
  width: 4px;
  height: 40px;
  background: white;
  border-radius: 0 4px 4px 0;
}
.server-divider {
  width: 32px;
  height: 2px;
  background: #35373C;
  border-radius: 1px;
}
.channel-list {
  width: 220px;
  background: #2B2D31;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}
.server-name {
  padding: 16px;
  font-size: 15px;
  font-weight: 700;
  color: #F2F3F5;
  border-bottom: 1px solid #1E1F22;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}
.server-name span { font-size: 18px; }
.channel-section { padding: 16px 8px 4px; }
.channel-section-title {
  font-size: 11px;
  font-weight: 700;
  color: #80848E;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 0 8px;
  margin-bottom: 4px;
}
.channel-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  color: #80848E;
  font-size: 14px;
  font-weight: 500;
}
.channel-item:hover { background: #35373C; color: #DBDEE1; }
.channel-item.active { background: #404249; color: #F2F3F5; }
.channel-icon { font-size: 16px; flex-shrink: 0; }
.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.channel-header {
  height: 48px;
  border-bottom: 1px solid #1E1F22;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 8px;
  flex-shrink: 0;
}
.channel-header-icon { color: #80848E; font-size: 20px; }
.channel-header-name { font-size: 15px; font-weight: 700; color: #F2F3F5; }
.channel-header-divider { width: 1px; height: 20px; background: #35373C; margin: 0 4px; }
.channel-header-desc { font-size: 13px; color: #80848E; }
.messages {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.message { display: flex; gap: 12px; align-items: flex-start; }
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.avatar.a1 { background: #ED4245; }
.avatar.a2 { background: #57F287; }
.avatar.a3 { background: #FEE75C; }
.avatar.a4 { background: #5865F2; }
.message-body { min-width: 0; }
.message-header { display: flex; align-items: baseline; gap: 8px; margin-bottom: 4px; }
.message-username { font-size: 14px; font-weight: 600; color: #F2F3F5; }
.message-time { font-size: 11px; color: #80848E; }
.message-text { font-size: 14px; color: #DBDEE1; line-height: 1.5; }
.message-image {
  margin-top: 8px;
  background: #1E1F22;
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 13px;
  color: #80848E;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid #35373C;
}
.input-area { padding: 0 16px 16px; flex-shrink: 0; }
.input-box {
  background: #383A40;
  border-radius: 8px;
  padding: 11px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.input-text { flex: 1; font-size: 14px; color: #80848E; }
.input-icons { display: flex; gap: 8px; color: #80848E; font-size: 18px; }

.mamacra-intro__bridge {
  text-align: center;
  margin-top: 64px;
  margin-bottom: 48px;
}

.mamacra-intro__arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin: 0 auto 32px;
}

.mamacra-intro__arrow-tri {
  width: 0;
  height: 0;
  border-left: solid transparent;
  border-right: solid transparent;
  border-top: solid var(--color-primary);
  opacity: 0;
}

.mamacra-intro__arrow-tri--sm {
  border-left-width: 10px;
  border-right-width: 10px;
  border-top-width: 14px;
}

.mamacra-intro__arrow-tri--md {
  border-left-width: 16px;
  border-right-width: 16px;
  border-top-width: 22px;
}

.mamacra-intro__arrow-tri--lg {
  border-left-width: 24px;
  border-right-width: 24px;
  border-top-width: 34px;
}

.mamacra-intro__bridge.is-visible .mamacra-intro__arrow-tri--sm {
  animation: triFadeIn 0.4s ease forwards 0s;
}

.mamacra-intro__bridge.is-visible .mamacra-intro__arrow-tri--md {
  animation: triFadeIn 0.4s ease forwards 0.4s;
}

.mamacra-intro__bridge.is-visible .mamacra-intro__arrow-tri--lg {
  animation: triFadeIn 0.4s ease forwards 0.8s;
}

@keyframes triFadeIn {
  0%   { opacity: 0; }
  100% { opacity: 1; }
}

.mamacra-intro__arrow-sub {
  font-size: 1rem;
  color: var(--color-text-sub);
  margin-bottom: 6px;
}

.mamacra-intro__what-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--color-text);
}

.mamacra-intro__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.mamacra-intro__card {
  background: var(--color-bg-card);
  border-radius: var(--radius-card);
  padding: 36px 38px 60px;
  border: 1px solid var(--color-border);
}

@keyframes scale-in {
  0%   { opacity: 0; transform: scale(0.9); }
  100% { opacity: 1; transform: scale(1); }
}

.mamacra-intro__card.scale-in {
  animation: scale-in 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}
.mamacra-intro__card.scale-in:nth-child(2) {
  animation-delay: 0.18s;
}

.mamacra-intro__card-icon {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 16px;
}

.mamacra-intro__card-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 10px;
}

.mamacra-intro__card-desc {
  color: var(--color-text);
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 32px;
  line-height: 1.7;
  min-height: 3.4em;
}

.mamacra-intro__card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.mamacra-intro__card-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.mamacra-intro__item-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  line-height: 1.4;
}

.mamacra-intro__card-list strong {
  color: var(--color-text);
  display: block;
  font-size: 1rem;
  line-height: 1.4;
  margin-bottom: 4px;
}

.mamacra-intro__card-list p {
  margin: 0;
  color: var(--color-text-sub);
  font-size: 0.9rem;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .site-header {
    padding: 8px 20px;
  }
  .site-header__inner {
    gap: 0;
    flex-wrap: wrap;
    padding: 0;
  }
  .site-header__logo {
    flex: 1;
  }
  .site-header__logo img {
    height: 40px;
  }
  .site-header__hamburger {
    display: flex;
    position: fixed;
    top: 0;
    right: 20px;
    z-index: 210;
    height: 57px;
  }
  .site-header__nav {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: var(--color-bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 80px 40px 60px;
  }
  .site-header__nav.is-open {
    display: flex;
  }
  .nav-link {
    width: 100%;
    padding: 16px 24px;
    font-size: 1.15rem;
    text-align: center;
  }
  .nav-link--cta {
    margin-left: 0;
    margin-top: 16px;
    text-align: center;
    padding: 16px 40px;
  }
}

@media (min-width: 769px) {
  .site-header__nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
  }
}

@media (min-width: 769px) and (max-width: 1100px) {
  .nav-link { font-size: 0.76rem; padding: 6px 10px; }
}

.nav-link {
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-sub);
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: var(--color-beige); color: var(--color-text); }
.nav-link--active {
  background: var(--color-beige);
  color: var(--color-text);
}
.nav-link--cta {
  background: var(--color-primary);
  color: var(--color-white);
  margin-left: auto;
  transition: background 0.2s, transform 0.2s;
}
.nav-link--cta:hover {
  background: var(--color-primary-dk);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* ==========================================================
   Heading decoration
   ========================================================== */
.heading-deco {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 16px;
}
.heading-deco__block {
  width: 10px; height: 10px;
  border-radius: 2px;
}
.heading-deco__block--green { background: var(--color-green); }
.heading-deco__block--pink  { background: var(--color-primary); }

/* ==========================================================
   Section label
   ========================================================== */
.sec-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text-sub);
  text-align: center;
  margin-bottom: 8px;
  text-transform: uppercase;
}

/* ==========================================================
   ① FV
   ========================================================== */
.fv {
  position: relative;
  min-height: 90vh;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 24px 32px 48px;
}

.fv__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.fv__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center center;
}

.fv__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(30,24,18,0.04) 0%, rgba(30,24,18,0.62) 100%);
}

.fv__inner {
  position: relative;
  z-index: 2;
  max-width: var(--content-w);
  margin: 0 auto;
  width: 100%;
  padding: 40px 0 16px;
  color: var(--color-white);
}

.fv__text { position: relative; }

.fv__catch {
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.5;
  color: var(--color-white);
  text-shadow: 0 2px 10px rgba(0,0,0,0.18);
  text-wrap: balance;
  min-height: calc(clamp(1.7rem, 3.5vw, 2.6rem) * 1.5 * 2);
}

.fv__sub {
  margin-top: 16px;
  font-size: 1rem;
  color: var(--color-white);
  text-shadow: 0 2px 10px rgba(0,0,0,0.18);
  line-height: 1.9;
}

@keyframes btn-pulse {
  0%, 100% { transform: translateY(0);    box-shadow: 0 6px 18px rgba(125,207,179,0.55); }
  50%       { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(125,207,179,0.7); }
}

.fv__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  padding: 16px 32px;
  border-radius: var(--radius-pill);
  background: var(--color-green);
  color: var(--color-white);
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 6px 18px rgba(125,207,179,0.55);
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  word-break: keep-all;
  animation: btn-pulse 2s ease-in-out infinite;
}
.fv__cta:hover {
  animation-play-state: paused;
}
.fv__cta:hover {
  background: var(--color-green-dk);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(125,207,179,0.6);
}

.fv__cta-icon { font-size: 1rem; }

/* ==========================================================
   ② Problem（ママのモヤモヤ）
   ========================================================== */
.problem { background: var(--color-pink-pale); padding: 64px 32px; }

.problem__inner { max-width: var(--content-w); margin: 0 auto; }

.problem__card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: 56px 48px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(74,63,53,0.06);
}

.problem__card h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.65rem);
  font-weight: 800;
  line-height: 1.6;
  margin-top: 8px;
}

.problem__lead {
  margin-top: 8px;
  margin-bottom: 28px;
  font-size: 1rem;
  color: var(--color-text-sub);
  text-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

.problem__list {
  display: grid;
  gap: 12px;
  text-align: left;
  max-width: 560px;
  margin: 0 auto;
}

.problem__item {
  position: relative;
  padding: 14px 18px 14px 44px;
  background: var(--color-pink-pale);
  border-radius: 16px;
  font-size: 1rem;
  line-height: 1.7;
}

.problem__item::before {
  content: "💭";
  position: absolute;
  left: 12px; top: 12px;
  font-size: 16px;
}

/* ==========================================================
   ③ WHAT（教育価値）
   ========================================================== */
.what {
  padding: 64px 32px;
}

.what__inner {
  max-width: var(--content-w);
  margin: 0 auto;
}

.what__card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: 56px 48px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(74,63,53,0.06);
}

.what__title {
  font-size: clamp(1.2rem, 2.5vw, 1.65rem);
  font-weight: 800;
  line-height: 1.6;
  margin-top: 16px;
}

.what__lead {
  margin-top: 20px;
  font-size: 1rem;
  color: var(--color-text-sub);
  text-shadow: 0 1px 2px rgba(0,0,0,0.20);
  line-height: 1.9;
}

.what__powers {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  text-align: left;
  perspective: 1000px;
}

@keyframes spin-in-y {
  0%   { transform: rotateY(360deg); opacity: 0; }
  100% { transform: rotateY(0deg);  opacity: 1; }
}

.what__power.spin-in {
  animation: spin-in-y 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

.what__power {
  background: var(--color-bg);
  border-radius: 18px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  text-align: center;
}

.what__power-icon { font-size: 1.3rem; }

.what__power-title {
  font-size: 0.9rem;
  font-weight: 700;
  white-space: nowrap;
  margin-bottom: 2px;
}

.what__power-text { font-size: 0.82rem; color: var(--color-text-sub); text-shadow: 0 1px 2px rgba(0,0,0,0.20); line-height: 1.7; }

.what__quote {
  margin-top: 28px;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--color-text-sub);
  text-shadow: 0 1px 2px rgba(0,0,0,0.20);
  text-align: center;
  font-style: italic;
}

/* ==========================================================
   ④ Bridge（提案セクション）
   ========================================================== */
.bridge {
  background: var(--color-green);
  padding: 64px 32px;
  text-align: center;
}

.bridge__inner {
  max-width: 720px;
  margin: 0 auto;
}

.bridge .heading-deco__block--green,
.bridge .heading-deco__block--pink  { background: var(--color-white); }

.bridge__title {
  font-size: clamp(1.2rem, 2.5vw, 1.65rem);
  font-weight: 800;
  line-height: 1.6;
  color: var(--color-white);
  text-wrap: balance;
  margin-top: 8px;
}

.bridge__text {
  margin-top: 24px;
  font-size: 1rem;
  color: rgba(255,255,255,0.92);
  line-height: 1.9;
}

.bridge__quote {
  margin-top: 28px;
  background: rgba(255,255,255,0.22);
  border-radius: 18px;
  padding: 24px 28px;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--color-white);
  text-align: left;
}

.bridge__quote strong { font-weight: 800; }

/* ==========================================================
   ③ FEATURES（3つのひみつ基地）
   ========================================================== */
.features {
  padding: 64px 32px;
}

.features__inner {
  max-width: var(--content-w);
  margin: 0 auto;
  text-align: center;
}

.features__title {
  font-size: clamp(1.3rem, 2.8vw, 1.8rem);
  font-weight: 800;
  margin-top: 10px;
}

.features__sub {
  margin-top: 8px;
  font-size: 1rem;
  color: var(--color-text-sub);
  text-shadow: 0 1px 2px rgba(0,0,0,0.20);
}

.features__grid {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.features__card {
  border-radius: var(--radius-card);
  padding: 32px 20px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.features__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 14px 32px rgba(0,0,0,0.10);
}

.features__card:nth-child(1) { background: var(--color-green-pale); }
.features__card:nth-child(2) { background: var(--color-pink-pale); }
.features__card:nth-child(3) { background: var(--color-beige); }

.features__illust {
  margin-bottom: 16px;
}

.features__illust img {
  width: 120px;
  height: 120px;
  object-fit: contain;
}

.features__card-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-sub);
  margin-bottom: 4px;
}

.features__card-title {
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.5;
  margin-bottom: 12px;
  color: var(--color-text);
}

.features__card-text {
  font-size: 1rem;
  color: var(--color-text-sub);
  text-shadow: 0 1px 2px rgba(0,0,0,0.20);
  line-height: 1.8;
  text-align: left;
}

.features__illust-note {
  margin-top: 8px;
  font-size: 0.72rem;
  color: var(--color-border);
}

/* ==========================================================
   Footer
   ========================================================== */
.site-footer {
  padding: 40px 32px 32px;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  text-align: center;
}
.site-footer__inner { max-width: var(--content-w); margin: 0 auto; }
.site-footer__x {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  margin-bottom: 16px;
}
.site-footer__x-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: #000;
  border-radius: 4px;
}
.site-footer__x-badge img { width: 12px; height: 12px; }
.site-footer__x-handle {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
}
@media (hover: hover) {
  .site-footer__x:hover { opacity: 0.65; }
}
.site-footer__disclaimer {
  font-size: 0.72rem;
  color: var(--color-text-sub);
  line-height: 1.7;
  margin-bottom: 20px;
}
.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 0;
  margin-bottom: 16px;
}
.site-footer__nav a {
  font-size: 0.78rem;
  color: var(--color-text-sub);
  text-decoration: none;
  padding: 0 12px;
  border-right: 1px solid var(--color-border);
  line-height: 1;
}
.site-footer__nav a:last-child { border-right: none; }
@media (hover: hover) {
  .site-footer__nav a:hover { color: var(--color-text); }
}
.site-footer__copyright { font-size: 0.72rem; color: var(--color-text-sub); }

/* ==========================================================
   プライバシーポリシーページ
   ========================================================== */
.privacy { max-width: 800px; margin: 0 auto; padding: 80px 24px 120px; }
.privacy__title { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; color: var(--color-text); margin-bottom: 8px; }
.privacy__date { font-size: 0.9rem; color: var(--color-text-sub); margin-bottom: 48px; }
.privacy__section { margin-bottom: 40px; }
.privacy__section h2 { font-size: 1.1rem; font-weight: 700; color: var(--color-text); border-left: 4px solid var(--color-green); padding-left: 12px; margin-bottom: 12px; }
.privacy__section p { font-size: 1rem; line-height: 1.9; color: var(--color-text); }
.privacy__back { display: inline-block; margin-top: 48px; font-size: 0.95rem; color: var(--color-primary); text-decoration: none; font-weight: 700; }
@media (hover: hover) {
  .privacy__back:hover { text-decoration: underline; }
}

/* ==========================================================
   キッズワールド
   ========================================================== */
.kids {
  position: relative;
  padding: 96px 32px;
  background: var(--color-green-pale);
  overflow: hidden;
}

.kids__bg-ticker {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.kids__bg-ticker::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 6000px;
  height: 200%;
  background-image: url('../images/kidsworld-bg.png');
  background-repeat: repeat-x;
  background-size: 2000px 100%;
  opacity: 0.13;
  mix-blend-mode: multiply;
  animation: kids-scroll 45s linear infinite;
}

@keyframes kids-scroll {
  from { transform: translateY(-50%) translateX(0); }
  to   { transform: translateY(-50%) translateX(-2000px); }
}

.kids__inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-w);
  margin: 0 auto;
  display: flex;
  gap: 64px;
  align-items: flex-start;
}

.kids__col-left {
  flex: 0 0 460px;
  text-align: left;
}

.kids__col-left .sec-label {
  text-align: left;
}

.kids__col-right {
  flex: 1.3;
}

.kids__title {
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  font-weight: 800;
  line-height: 1.6;
  margin-top: 10px;
  margin-bottom: 20px;
  color: var(--color-text);
  text-wrap: balance;
}

.kids__lead {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-text);
  margin: 0;
}

.kids__chara {
  width: 180px;
  display: block;
  margin: 24px auto 0;
  filter: contrast(0.82) saturate(0.85) brightness(1.08);
}

.kids__list {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.kids__item {
  display: flex;
  gap: 24px;
  align-items: center;
}

.kids__badge {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  gap: 4px;
  box-shadow: 0 8px 24px rgba(74,63,53,0.15);
}

.kids__badge span {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  text-shadow: 3px 3px 0 rgba(0,0,0,0.15);
}

.kids__badge small {
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.kids__badge--green { background: var(--color-green); }
.kids__badge--pink  { background: var(--color-primary); }
.kids__badge--brown { background: var(--color-text-sub); }

.kids__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
}

.kids__chip {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
}

.kids__chip--green { background: var(--color-white); color: var(--color-green-dk); }
.kids__chip--pink  { background: var(--color-pink-pale);  color: #c55047; }
.kids__chip--brown { background: var(--color-beige);      color: var(--color-text-sub); }

.kids__item-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-text);
  margin: 0;
  line-height: 1.4;
}

.kids__item-text {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-text);
  margin: 0;
}

/* ==========================================================
   ⑥ Relax（ゆるい安心ルール）
   ========================================================== */
.relax { background: var(--color-pink-pale); padding: 64px 32px; }

.relax__inner { max-width: var(--content-w); margin: 0 auto; text-align: center; }

.relax__card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: 56px 48px;
  box-shadow: 0 4px 24px rgba(74,63,53,0.06);
}

.relax__card h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.65rem);
  font-weight: 800;
  line-height: 1.6;
  margin-top: 8px;
}

.relax__list {
  margin-top: 28px;
  display: grid;
  gap: 14px;
  text-align: left;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.relax__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--color-beige);
  border-radius: 16px;
  padding: 18px 20px;
}

@keyframes fade-up-item {
  0%   { opacity: 0; transform: translateY(24px); }
  100% { opacity: 1; transform: translateY(0); }
}

.relax__item.fade-up-in {
  animation: fade-up-item 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

.relax__icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.relax__text { font-size: 1rem; line-height: 1.8; }

/* ==========================================================
   自己紹介
   ========================================================== */
.about {
  background: var(--color-green-pale);
  padding: 64px 32px;
}

.about__inner {
  max-width: var(--content-w);
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 48px;
}

.about__photo { flex-shrink: 0; }

.about__avatar {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  background: transparent;
  border: none;
}

.about__photo-placeholder {
  width: 200px;
  height: 200px;
  background: var(--color-beige);
  border-radius: var(--radius-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-sub);
  font-size: 0.85rem;
}

.about__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text-sub);
  margin-bottom: 8px;
}

.about__name {
  font-size: clamp(1.2rem, 2.5vw, 1.65rem);
  font-weight: 800;
  line-height: 1.6;
  margin-bottom: 24px;
}

.about__tag {
  color: var(--color-primary);
  font-size: clamp(2rem, 4vw, 2.6rem);
  margin-left: 0.4em;
}

.about__x-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  margin-bottom: 20px;
  text-decoration: none;
}

.about__x-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: #000;
  border-radius: 6px;
  flex-shrink: 0;
}

.about__x-icon {
  width: 17px;
  height: 17px;
}

.about__x-handle {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
}

.about__x-link {
  transition: opacity 0.2s ease;
}

.about__x-link:hover {
  opacity: 0.65;
  text-decoration: underline;
}

.about__text p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: 16px;
}

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

/* ==========================================================
   ⑧ FAQ
   ========================================================== */
.faq { background: var(--color-bg); padding: 64px 32px; }

.faq__inner {
  max-width: var(--content-w);
  margin: 0 auto;
  text-align: center;
}

.faq__card {
  background: transparent;
  padding: 0;
}

.faq__card h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.65rem);
  font-weight: 800;
  line-height: 1.6;
  margin-top: 8px;
}

.faq__list {
  margin-top: 32px;
  display: grid;
  gap: 16px;
  text-align: left;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.faq__item {
  position: relative;
  padding: 20px 20px 20px 60px;
  border-radius: 20px;
  background: var(--color-beige);
  border: none;
}

.faq__item::before {
  content: "Q";
  position: absolute;
  left: 16px; top: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--color-green);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.85rem;
}

.faq__question {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.6;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq__question::-webkit-details-marker { display: none; }

.faq__question::after {
  content: "";
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-text-sub);
  border-top: 2px solid var(--color-text-sub);
  transform: rotate(-45deg);
  transition: transform 0.25s ease;
  margin-top: 3px;
}

details[open] > .faq__question::after {
  transform: rotate(135deg);
  margin-top: -3px;
}

@keyframes faq-open {
  0%   { opacity: 0; transform: translateY(-20px); }
  100% { opacity: 1; transform: translateY(0); }
}

details[open] > .faq__answer {
  animation: faq-open 0.5s ease forwards;
}

.faq__answer {
  margin-top: 16px;
  font-size: 1rem;
  color: var(--color-text-sub);
  text-shadow: 0 1px 2px rgba(0,0,0,0.20);
  line-height: 1.7;
  position: relative;
  padding-left: 0;
}

.faq__answer::before {
  content: "A";
  position: absolute;
  left: -44px; top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.85rem;
}

/* ==========================================================
   ⑨ CTA Final
   ========================================================== */
.cta-final {
  background: var(--color-pink-pale);
  padding: 64px 32px;
}

.cta-final__inner {
  max-width: 800px;
  margin: 0 auto;
  background: var(--color-bg-card);
  border-radius: var(--radius-card);
  padding: 56px 48px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 48px;
  box-shadow: 0 4px 24px rgba(74,63,53,0.08);
}

.cta-final__logo-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cta-final__logo-col img {
  height: 120px;
  width: auto;
}

.cta-final__tagline {
  margin-top: 40px;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text-sub);
  text-shadow: 0 1px 2px rgba(0,0,0,0.20);
}

.cta-final__body {
  flex: 1;
  text-align: left;
}

.cta-final__body h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 800;
  line-height: 1.6;
  color: var(--color-text);
}

.cta-final__text {
  margin-top: 16px;
  font-size: 1rem;
  color: var(--color-text-sub);
  text-shadow: 0 1px 2px rgba(0,0,0,0.20);
  line-height: 1.9;
}

.cta-final__button {
  display: inline-block;
  margin-top: 28px;
  padding: 16px 36px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: clamp(0.9rem, 3.5vw, 1rem);
  box-shadow: 0 8px 20px rgba(255,129,121,0.35);
  transition: opacity 0.2s, transform 0.2s;
  word-break: keep-all;
  animation: btn-pulse-red 2s ease-in-out infinite;
}

@keyframes btn-pulse-red {
  0%, 100% { transform: translateY(0);    box-shadow: 0 8px 20px rgba(255,129,121,0.35); }
  50%       { transform: translateY(-4px); box-shadow: 0 14px 28px rgba(255,129,121,0.55); }
}

@media (hover: hover) {
  .cta-final__button:hover {
    background: var(--color-primary-dk);
    color: var(--color-white);
    animation-play-state: paused;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(255,129,121,0.45);
  }
}

/* ==========================================================
   Fade-up animation
   ========================================================== */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in {
  opacity: 0;
  transition: opacity 3s ease;
}
.fade-in.is-visible {
  opacity: 1;
}

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width: 950px) {
  .kids { padding: 48px 20px; }
  .kids__inner { flex-direction: column; gap: 32px; }
  .kids__col-left { flex: none; width: 100%; }
  .kids__badge { width: 64px; height: 64px; border-radius: 12px; }
  .kids__badge span { font-size: 1.8rem; }
  .kids__badge small { font-size: 0.55rem; }
  .kids__item { gap: 16px; align-items: center; }
  .kids__item-title { font-size: 1rem; }
}

@media (max-width: 767px) {
  .site-header { padding: 8px 20px; }
  .site-header__nav { display: none; }

  .fv { padding: 0 20px; align-items: stretch; }
  .fv__bg img { content: url('../images/fv-sp.jpg'); }
  .fv__inner { display: flex; flex-direction: column; justify-content: space-between; padding: 100px 0 48px; }
  .fv__text { display: flex; flex-direction: column; justify-content: space-between; height: 100%; }
  .fv__catch { margin-bottom: 0; }

  .fv__inner { grid-template-columns: 1fr; gap: 28px; }
  .fv__photo { order: -1; }

  .problem { padding: 48px 20px; }
  .problem__inner { padding: 0 24px; }
  .problem__card { padding: 36px 24px; }

  .bridge { padding: 48px 20px; }
  .bridge__inner { padding: 0 24px; }
  .bridge__quote { padding: 20px; }

  .relax { padding: 48px 20px; }
  .relax__inner { padding: 0 24px; }
  .relax__card { padding: 36px 24px; }

  .about { padding: 48px 20px; }
  .about__inner { flex-direction: column; align-items: center; padding: 0 24px; }
  .about__photo-placeholder { width: 160px; height: 160px; }

  .faq { padding: 48px 20px; }
  .faq__card { padding: 36px 24px; }

  .cta-final { padding: 40px 20px; }
  .cta-final__inner { padding: 36px 24px; flex-direction: column; text-align: center; gap: 28px; }
  .cta-final__body { text-align: center; }
  .cta-final__logo-col { flex: none; }
  .cta-final__logo-col img { height: 90px; }

  .what { padding: 48px 20px; }
  .what__inner { padding: 0 24px; }
  .what__card { padding: 36px 24px; }
  .mamacra-intro__inner { padding: 0 24px; }
  .what__powers { grid-template-columns: 1fr; }
  .mamacra-intro__discord-box { padding: 24px; }
  .mamacra-intro__discord-title { font-size: 1rem; }
  .mamacra-intro__discord-text { font-size: 0.9rem; }

  .features { padding: 48px 20px; }
  .features__inner { padding: 0 24px; }
  .features__grid { grid-template-columns: 1fr; }

  .voices { padding: 48px 20px; }
  .voices__inner { grid-template-columns: 1fr; }

  .join { padding: 48px 20px; }
  .join__inner { grid-template-columns: 1fr; padding: 32px 24px; }


  .site-footer { padding: 24px 20px; }

  .mamacra-intro { padding: 48px 20px; }
  .mamacra-intro__cards { grid-template-columns: 1fr; }
  .discord-window { height: 420px; }
  .discord-window .server-list { display: none; }
  .discord-window .channel-list { display: none; }
  .discord-window .main-area { width: 100%; }
  .channel-header-desc { display: none; }
  .channel-header-divider { display: none; }
  .channel-header-icon { font-size: 16px; }
  .channel-header-name { font-size: 14px; }
  .avatar { width: 32px; height: 32px; font-size: 14px; }
  .message-username { font-size: 13px; }
  .message-time { font-size: 10px; }
  .message-text { font-size: 13px; }
  .messages { gap: 12px; padding: 12px; }
  .input-box { padding: 8px 12px; }
}