/* ============================================================
   Serenesta v2 — Common Stylesheet
   Color Palette C: Pink × Beige × Gold
   ============================================================ */

:root{
  --c-bg-pale:#FAF2F4;     /* パウダーブラッシュ */
  --c-bg-mid:#EDD0D8;      /* ブラッシュピーチ */
  --c-bg-cream:#F5EDE9;    /* リネンクリーム */
  --c-rose:#D9A8B5;        /* ダスティーローズ */
  --c-rose-deep:#B98290;   /* ローズアクセント */
  --c-gold:#B8A080;        /* ゴールド */
  --c-gold-deep:#8B7256;   /* ディープゴールド */
  --c-ink:#3D3033;         /* ダークココア */
  --c-ink-soft:#7A6A6E;    /* サブテキスト */
  --c-line:#E8D7DC;        /* 細線 */
  --c-white:#FFFFFF;

  --f-en:'Cormorant Garamond', serif;
  --f-jp-serif:'Noto Serif JP', serif;
  --f-jp-sans:'Noto Sans JP', sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--f-jp-sans);
  font-weight:300;
  color:var(--c-ink);
  background:var(--c-bg-pale);
  line-height:2;
  letter-spacing:0.04em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
ul{list-style:none}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  padding:22px 40px;
  display:flex;align-items:center;justify-content:space-between;
  transition:background .4s, padding .4s, box-shadow .4s;
}
.nav.scrolled{
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);
  padding:14px 40px;
  box-shadow:0 1px 30px rgba(127,80,90,.06);
}
.nav-logo{
  font-family:var(--f-en);
  font-size:1.55rem;
  letter-spacing:0.18em;
  color:var(--c-ink);
  font-weight:400;
}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links > li{position:relative}
.nav-links a{
  font-size:.78rem;letter-spacing:.16em;
  color:var(--c-ink-soft);
  transition:color .3s;
  padding:6px 0;
  display:inline-block;
}
.nav-links a:hover{color:var(--c-rose-deep)}
.has-sub:hover .sub{opacity:1;visibility:visible;transform:translateY(0)}
.sub{
  position:absolute;top:100%;left:50%;transform:translate(-50%, 8px);
  background:#fff;
  padding:14px 20px;
  border-radius:10px;
  box-shadow:0 10px 40px rgba(127,80,90,.12);
  min-width:200px;
  opacity:0;visibility:hidden;
  transition:all .3s;
  display:flex;flex-direction:column;gap:10px;
}
.sub a{font-size:.8rem;color:var(--c-ink);letter-spacing:.06em;white-space:nowrap}
.nav-cta{
  display:inline-block;padding:11px 28px;
  border:1px solid var(--c-rose-deep);
  color:var(--c-rose-deep);
  font-size:.74rem;letter-spacing:.22em;
  border-radius:999px;
  transition:background .3s, color .3s;
}
.nav-cta:hover{background:var(--c-rose-deep);color:#fff}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:24px;height:1.5px;background:var(--c-ink);margin:6px 0;transition:.3s}

/* ============================================================
   COMMON
   ============================================================ */
.section-head{text-align:center;margin-bottom:60px}
.eyebrow{
  font-family:var(--f-en);
  font-style:italic;
  font-weight:300;
  font-size:.95rem;
  color:var(--c-rose-deep);
  letter-spacing:.22em;
  margin-bottom:14px;
}
.h-en{
  font-family:var(--f-jp-serif);
  font-weight:400;
  font-size:clamp(1.6rem, 3vw, 2.1rem);
  color:var(--c-ink);
  letter-spacing:.1em;
  margin-bottom:18px;
}
.section-desc{
  color:var(--c-ink-soft);
  font-size:.92rem;
  letter-spacing:.06em;
  line-height:2;
  max-width:560px;
  margin:0 auto;
}
.gold-divider{
  width:64px;height:1px;background:var(--c-gold);
  margin:24px auto;
}
.inner{width:100%;max-width:1100px;margin:0 auto;padding:0 40px}

.btn-pill{
  display:inline-flex;align-items:center;gap:10px;
  padding:18px 44px;
  background:var(--c-rose-deep);
  color:#fff;
  font-size:.85rem;letter-spacing:.2em;
  border-radius:999px;
  border:0;cursor:pointer;
  transition:background .3s, transform .3s, box-shadow .3s;
  box-shadow:0 8px 30px rgba(185,130,144,.28);
}
.btn-pill:hover{background:var(--c-ink);transform:translateY(-2px);box-shadow:0 12px 40px rgba(185,130,144,.4)}
.btn-pill.ghost{background:transparent;color:var(--c-rose-deep);border:1px solid var(--c-rose-deep);box-shadow:none}
.btn-pill.ghost:hover{background:var(--c-rose-deep);color:#fff}
.btn-pill.line{background:#06C755;color:#fff;box-shadow:0 8px 30px rgba(6,199,85,.25)}
.btn-pill.line:hover{background:#05A847;box-shadow:0 12px 40px rgba(6,199,85,.35)}
.btn-text{
  font-family:var(--f-jp-serif);
  font-size:.95rem;letter-spacing:.1em;
  color:var(--c-rose-deep);
  border-bottom:1px solid var(--c-rose-deep);
  padding-bottom:4px;
  transition:color .3s, border-color .3s;
}
.btn-text:hover{color:var(--c-ink);border-color:var(--c-ink)}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  min-height:100vh;
  padding:140px 40px 100px;
  background:linear-gradient(180deg,var(--c-bg-pale) 0%,#F4DEE4 60%,var(--c-bg-mid) 100%);
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  position:relative;
}
.hero-inner{max-width:680px;width:100%}
.hero-badge{
  display:inline-block;padding:6px 22px;
  background:rgba(255,255,255,.7);
  color:var(--c-rose-deep);
  font-size:.72rem;letter-spacing:.22em;
  border-radius:999px;
  margin-bottom:36px;
}
.hero-title{
  font-family:var(--f-en);
  font-weight:300;
  font-size:clamp(2.6rem, 7vw, 5rem);
  line-height:1.15;
  letter-spacing:.04em;
  color:var(--c-ink);
  margin-bottom:8px;
}
.hero-title em{
  font-style:italic;
  color:var(--c-rose-deep);
  font-weight:300;
}
.hero-sub{
  font-family:var(--f-jp-serif);
  font-weight:400;
  font-size:1.05rem;
  letter-spacing:.16em;
  color:var(--c-ink);
  margin-bottom:40px;
}
.hero-art{
  width:min(100px,20vw);
  margin:8px auto 28px;
}
.hero-art img{
  width:100%;
  height:auto;
  display:block;
  filter:drop-shadow(0 2px 24px rgba(127,80,90,.06));
}
.hero-area{
  margin-top:32px;
  font-size:.78rem;
  color:var(--c-ink-soft);
  letter-spacing:.08em;
  line-height:1.9;
}

/* ============================================================
   BRAND STATEMENT
   ============================================================ */
.brand-statement{
  background:var(--c-white);
  padding:90px 40px;
  text-align:center;
}
.brand-statement .inner{max-width:680px}
.brand-en{
  font-family:var(--f-en);
  font-weight:400;
  font-style:italic;
  font-size:clamp(1.8rem,3.5vw,2.6rem);
  color:var(--c-rose-deep);
  letter-spacing:.04em;
  line-height:1.4;
}
.brand-ruby{
  font-size:.78rem;
  color:var(--c-ink-soft);
  letter-spacing:.16em;
  margin-top:8px;
}
.brand-jp{
  font-family:var(--f-jp-serif);
  font-weight:400;
  font-size:clamp(1rem,1.6vw,1.15rem);
  color:var(--c-ink);
  letter-spacing:.1em;
  line-height:2.2;
  max-width:560px;
  margin:0 auto;
}
.brand-emphasis{
  font-family:var(--f-jp-serif);
  font-weight:500;
  font-size:clamp(.95rem,1.4vw,1.05rem);
  color:var(--c-ink);
  letter-spacing:.12em;
  margin-top:24px;
  padding-top:24px;
  border-top:0.5px solid var(--c-line);
  max-width:560px;
  margin-left:auto;
  margin-right:auto;
}

/* ============================================================
   FOR YOU
   ============================================================ */
.for-you{
  padding:90px 40px;
  background:var(--c-bg-cream);
}
.for-you-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
  max-width:1000px;margin:0 auto;
}
.for-you-grid-2{
  grid-template-columns:repeat(2,1fr);
  max-width:760px;
}
.for-you-card{
  background:var(--c-white);
  padding:50px 30px;
  border-radius:16px;
  text-align:center;
  border:0.5px solid var(--c-line);
  transition:transform .4s, box-shadow .4s;
}
.for-you-card:hover{transform:translateY(-6px);box-shadow:0 20px 50px rgba(185,130,144,.12)}
.for-you-icon{
  width:72px;height:72px;
  margin:0 auto 20px;
  display:flex;align-items:center;justify-content:center;
}
.for-you-icon img{max-width:100%;max-height:100%;object-fit:contain}
.for-you-text{
  font-family:var(--f-jp-serif);
  font-weight:400;
  font-size:.95rem;
  color:var(--c-ink);
  letter-spacing:.06em;
  line-height:2;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services{
  padding:140px 40px;
  background:var(--c-bg-pale);
}
.services-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  max-width:980px;margin:0 auto;
}
.service-card{
  background:var(--c-white);
  border-radius:20px;
  padding:48px 40px;
  text-align:center;
  border:0.5px solid var(--c-line);
  transition:transform .4s, box-shadow .4s;
}
.service-card:hover{transform:translateY(-6px);box-shadow:0 30px 70px rgba(185,130,144,.15)}
.service-art{
  width:180px;height:140px;margin:0 auto 28px;
  display:flex;align-items:center;justify-content:center;
}
.service-art img{max-width:100%;max-height:100%;object-fit:contain}
.service-tag{
  font-family:var(--f-en);
  font-style:italic;
  font-size:.85rem;
  color:var(--c-gold);
  letter-spacing:.24em;
  margin-bottom:8px;
}
.service-name{
  font-family:var(--f-jp-serif);
  font-weight:500;
  font-size:1.4rem;
  color:var(--c-ink);
  letter-spacing:.1em;
  margin-bottom:18px;
}
.service-lead{
  font-family:var(--f-jp-serif);
  font-weight:400;
  font-size:1rem;
  color:var(--c-ink);
  line-height:1.9;
  letter-spacing:.06em;
  margin-bottom:24px;
}
.service-price{
  font-family:var(--f-en);
  font-weight:400;
  font-size:1.7rem;
  color:var(--c-ink);
  letter-spacing:.04em;
  margin-bottom:28px;
  border-top:0.5px solid var(--c-line);
  padding-top:22px;
}
.service-price span{
  font-family:var(--f-jp-sans);
  font-weight:300;
  font-size:.78rem;
  color:var(--c-ink-soft);
  letter-spacing:.08em;
}
.service-link{
  font-family:var(--f-en);
  font-style:italic;
  font-size:.95rem;
  color:var(--c-rose-deep);
  letter-spacing:.1em;
  border-bottom:0.5px solid var(--c-rose-deep);
  padding-bottom:3px;
  transition:color .3s, border-color .3s;
}
.service-link:hover{color:var(--c-ink);border-color:var(--c-ink)}

/* ============================================================
   STRENGTHS（私たちの強み）
   ============================================================ */
.strengths{
  padding:90px 40px;
  background:var(--c-bg-cream);
}
.strengths-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  max-width:1080px;
  margin:0 auto;
}
.strength-card{
  background:var(--c-white);
  border:0.5px solid var(--c-line);
  border-radius:16px;
  padding:36px 32px;
  text-align:left;
  transition:transform .4s, box-shadow .4s;
}
.strength-card:hover{transform:translateY(-4px);box-shadow:0 20px 50px rgba(185,130,144,.12)}
.strength-num{
  font-family:var(--f-en);
  font-style:italic;
  font-size:1.1rem;
  color:var(--c-gold);
  letter-spacing:.16em;
  margin-bottom:10px;
}
.strength-title{
  font-family:var(--f-jp-serif);
  font-weight:500;
  font-size:1.1rem;
  color:var(--c-ink);
  letter-spacing:.1em;
  line-height:1.7;
  margin-bottom:14px;
}
.strength-text{
  font-size:.88rem;
  color:var(--c-ink-soft);
  line-height:2;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.strength-link{
  font-family:var(--f-en);
  font-style:italic;
  font-size:.88rem;
  color:var(--c-rose-deep);
  letter-spacing:.1em;
  border-bottom:0.5px solid var(--c-rose-deep);
  padding-bottom:2px;
}
.strength-link:hover{color:var(--c-ink);border-color:var(--c-ink)}

/* ============================================================
   OUR STANDARD（私たちの保育の質）
   ============================================================ */
.standard{
  padding:90px 40px;
  background:var(--c-white);
  text-align:center;
}
.standard-inner{
  max-width:760px;
  margin:0 auto;
}
.standard .gold-divider{
  margin:18px auto 32px;
}
.standard-text{
  font-family:var(--f-jp-serif);
  font-weight:400;
  font-size:clamp(1.05rem, 1.8vw, 1.25rem);
  line-height:2.3;
  letter-spacing:.1em;
  color:var(--c-ink);
  margin-bottom:18px;
}
.standard-text-em{
  font-family:var(--f-jp-serif);
  font-weight:500;
  font-size:clamp(.95rem, 1.5vw, 1.1rem);
  line-height:2.2;
  letter-spacing:.08em;
  color:var(--c-ink);
  padding-top:20px;
  border-top:0.5px solid var(--c-line);
  max-width:680px;
  margin:0 auto;
}
@media (max-width:880px){
  .standard{padding:54px 22px}
  .standard .gold-divider{margin:14px auto 24px}
}

/* ============================================================
   AREA（対応エリア）
   ============================================================ */
.area{
  padding:90px 40px;
  background:var(--c-bg-pale);
  text-align:center;
}
.area-grid{
  display:grid;
  grid-template-columns:repeat(9,1fr);
  gap:10px;
  max-width:880px;
  margin:0 auto;
}
.area-item{
  background:var(--c-white);
  border:0.5px solid var(--c-line);
  border-radius:8px;
  padding:18px 6px;
  font-family:var(--f-jp-serif);
  font-weight:500;
  font-size:.95rem;
  color:var(--c-ink);
  letter-spacing:.06em;
}
.area-note{
  text-align:center;
  margin-top:24px;
  font-size:.82rem;
  color:var(--c-ink-soft);
  letter-spacing:.06em;
  font-weight:300;
}
@media (max-width:880px){
  .strengths{padding:54px 22px}
  .strengths-grid{grid-template-columns:1fr;gap:14px}
  .strength-card{padding:24px 22px}
  .area{padding:54px 22px}
  .area-grid{grid-template-columns:repeat(3,1fr);gap:8px}
  .area-item{padding:14px 4px;font-size:.88rem}
}

/* ============================================================
   TRUST
   ============================================================ */
.trust{
  padding:90px 40px;
  background:var(--c-bg-cream);
}
.trust-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  max-width:980px;margin:0 auto;
}
.trust-item{
  background:var(--c-white);
  padding:36px 20px;
  border-radius:14px;
  text-align:center;
  border:0.5px solid var(--c-line);
}
.trust-icon{
  width:60px;height:60px;margin:0 auto 16px;
}
.trust-label{
  font-family:var(--f-jp-serif);
  font-weight:500;
  font-size:.98rem;
  color:var(--c-ink);
  letter-spacing:.08em;
  margin-bottom:6px;
}
.trust-sub{
  font-size:.74rem;
  color:var(--c-ink-soft);
  letter-spacing:.04em;
  line-height:1.7;
}

/* ============================================================
   FLOW
   ============================================================ */
.flow{
  padding:140px 40px;
  background:var(--c-bg-pale);
  text-align:center;
}
.flow-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:40px;
  max-width:880px;margin:0 auto;
  position:relative;
}
.flow-grid::before{
  content:"";position:absolute;
  top:36px;left:18%;right:18%;height:1px;
  background:linear-gradient(90deg,transparent,var(--c-rose),var(--c-rose),transparent);
  z-index:0;
}
.flow-step{position:relative;z-index:1}
.flow-num{
  width:72px;height:72px;
  margin:0 auto 24px;
  background:var(--c-white);
  border:0.5px solid var(--c-line);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--f-en);
  font-style:italic;
  font-size:1.3rem;
  color:var(--c-rose-deep);
  letter-spacing:.04em;
  box-shadow:0 14px 40px rgba(185,130,144,.1);
}
.flow-art{
  width:80px;height:80px;margin:0 auto 18px;
}
.flow-label{
  font-family:var(--f-jp-serif);
  font-weight:500;
  font-size:1.05rem;
  color:var(--c-ink);
  letter-spacing:.1em;
  margin-bottom:10px;
}
.flow-desc{
  font-size:.82rem;
  color:var(--c-ink-soft);
  line-height:1.9;
  letter-spacing:.04em;
}
.flow-cta{margin-top:60px}

/* ============================================================
   CTA
   ============================================================ */
.cta{
  padding:140px 40px;
  background:linear-gradient(180deg,var(--c-bg-pale) 0%,var(--c-bg-mid) 60%,var(--c-rose) 100%);
  text-align:center;
}
.cta .inner{max-width:680px}
.cta-title{
  font-family:var(--f-jp-serif);
  font-weight:400;
  font-size:clamp(1.5rem,3vw,2.1rem);
  color:var(--c-ink);
  letter-spacing:.1em;
  margin:14px 0 22px;
  line-height:1.7;
}
.cta-sub{
  font-size:.92rem;
  color:#5A4A4F;
  letter-spacing:.06em;
  line-height:2;
  margin-bottom:48px;
}
.cta-actions{
  display:flex;gap:16px;justify-content:center;flex-wrap:wrap;
}
.cta .btn-pill.ghost{
  background:#fff;color:var(--c-ink);border-color:#fff;
  box-shadow:0 14px 40px rgba(127,80,90,.15);
}
.cta .btn-pill.ghost:hover{background:var(--c-ink);color:#fff;border-color:var(--c-ink)}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{
  background:var(--c-ink);
  color:#D8C5C9;
  padding:70px 40px 40px;
}
.footer-inner{
  max-width:1000px;margin:0 auto;text-align:center;
}
.footer-logo{
  font-family:var(--f-en);
  font-size:1.5rem;
  letter-spacing:.22em;
  color:#fff;font-weight:400;
  margin-bottom:6px;
}
.footer-tag{
  font-family:var(--f-jp-serif);
  font-style:italic;
  font-size:.78rem;
  color:#B89BA1;
  letter-spacing:.18em;
  margin-bottom:36px;
}
.footer-links{
  display:flex;flex-wrap:wrap;justify-content:center;
  gap:14px 24px;
  padding-bottom:28px;margin-bottom:28px;
  border-bottom:0.5px solid #5A4448;
}
.footer-links a{
  font-size:.78rem;letter-spacing:.08em;
  color:#D8C5C9;
  transition:color .3s;
}
.footer-links a:hover{color:#fff}
.footer-meta{font-size:.74rem;line-height:2;letter-spacing:.06em;color:#9A848A}
.footer-meta .copy{margin-top:14px;font-size:.68rem;color:#7A6065}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .9s ease, transform .9s ease;
}
.reveal.in{
  opacity:1;
  transform:translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 880px){
  .nav{padding:18px 20px}
  .nav.scrolled{padding:12px 20px}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .inner{padding:0 22px}
  .hero{padding:120px 22px 80px;min-height:auto}
  .brand-statement,.for-you,.services,.trust,.flow,.cta{padding:80px 22px}
  .for-you-grid{grid-template-columns:1fr;gap:20px}
  .services-grid{grid-template-columns:1fr;gap:20px}
  .service-card{padding:36px 24px}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .trust-item{padding:24px 14px}
  .flow-grid{grid-template-columns:1fr;gap:48px}
  .flow-grid::before{display:none}
  .footer-links{gap:10px 16px}
  .footer-links a{font-size:.74rem}
  .cta-actions{flex-direction:column;align-items:center}
  .cta-actions .btn-pill{width:100%;max-width:300px;justify-content:center}

  /* モバイルナビ：ハンバーガー展開時のメニュー */
  .nav-links{
    display:none;
    position:fixed;
    top:60px;left:0;right:0;
    background:rgba(255,255,255,.98);
    flex-direction:column;
    align-items:stretch;
    padding:18px 28px 28px;
    box-shadow:0 10px 30px rgba(127,80,90,.10);
    border-top:0.5px solid var(--c-line);
    gap:0;
    z-index:60;
    max-height:calc(100vh - 60px);
    overflow-y:auto;
  }
  .nav-links.open{display:flex}
  .nav-links > li{
    padding:14px 0;
    border-bottom:0.5px solid var(--c-line);
  }
  .nav-links > li:last-child{border-bottom:0}
  .nav-links a{
    display:block;
    font-size:.92rem;
    color:var(--c-ink);
    letter-spacing:.12em;
  }
  .has-sub .sub{
    position:static;
    transform:none;
    opacity:1;visibility:visible;
    box-shadow:none;
    padding:10px 0 0 16px;
    background:transparent;
    min-width:auto;
    margin-top:6px;
  }
  .has-sub .sub li{padding:6px 0}
  .has-sub .sub a{
    font-size:.84rem;
    color:var(--c-ink-soft);
    letter-spacing:.06em;
  }
  /* ハンバーガー：X化アニメーション */
  .nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
}