/* ========================================
  Palette : Tone C
  Pink main + Greige/Brown
======================================== */
:root{
  --bg: #FAF2F4;
  --bg-2: #F6E8EC;

  --text: #3A2B2A;
  --text-muted: #6A5756;

  --line: rgba(58, 43, 42, 0.10);

  --accent: #B45A73;
  --accent-weak: rgba(180, 90, 115, 0.16);

  --maxw: 1120px;
  --radius-xl: 28px;
  --radius-lg: 20px;
}

html{
  overflow-x: clip;
}

/* ========================================
  Base
======================================== */
body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    "Yu Mincho",
    "YuMincho",
    "Hiragino Mincho ProN",
    "Noto Serif JP",
    sans-serif;
  letter-spacing: 0.02em;
  overflow-x: clip;
}

a{
  color: inherit;
  text-decoration: none;
}

/* ========================================
  Buttons
======================================== */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .9em 1.3em;
  border-radius: 999px;
  font-weight: 600;
}

.btn--ghost{
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn--ghost:hover{
  background: var(--accent-weak);
}


/* ========================================
  ヘッダー: PCでもハンバーガーメニュー
======================================== */

.site-header{
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 90px;

  /* 背景を持たせる */
  background: rgba(250, 242, 244, 0.85); /* --bg をベースにした半透明 */
  backdrop-filter: blur(8px);

  border-bottom: 1px solid var(--line);
  /* border-bottom: none; */

  /* transition:
    background-color .25s ease,
    backdrop-filter .25s ease,
    border-color .25s ease; */

}


.site-header.is-hero{
  border-bottom: none;
}
.site-header.is-solid{
  border-bottom: 1px solid rgba(58, 43, 42, 0.06);
}


.site-header__inner{
  width: min(var(--maxw), calc(100% - 2rem));
  margin-inline: auto;
  /* padding: .9rem 0; */

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header__logo{
  display: inline-block;
  text-decoration: none;
  color: #B18A8A;
  font-weight: 650;
  letter-spacing: 0.02em;
  font-size: clamp(1.5rem, 1.357rem + 0.71vw, 2.5rem);

}

/* グロナビは使わない（全デバイスで非表示） */
.site-header__nav{
  display: none;
}

/* ハンバーガーボタン本体（3本線の見た目） */
.nav-toggle{
  width: 44px;
  height: 44px;

  /* 見た目を消す */
  border: none;
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;

  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;

  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
/* 3本線 */
.nav-toggle__line{
  width: 18px;
  height: 2px;
  background: var(--text);
  opacity: .85;
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;

}

.sp-menu{
  position: fixed;
  height: 100%;
  inset: 0;
  z-index: 999;  /* header(999)より下でもOK、上にしたいなら1000 */
  background: rgba(0,0,0,0.18);
  opacity: 0;

  pointer-events: none;
  visibility: hidden;
  transition: opacity .22s ease, visibility 0s linear .22s;


}

.sp-menu__inner{
  position: absolute;
  top: 50px;
  right: 0;

  width: 100%;
  height: 100%;
  text-align: center;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-left: 1px solid var(--line);
  padding: 1.25rem;

  /* 閉：右に寄せて、薄く */
  transform: translateX(24px);
  transition: transform .26s ease, opacity .26s ease;

  display: grid;
  gap: 1rem;
  align-content: start;
  /* will-change: transform, opacity; */

}


.sp-menu__nav{
  display: grid;
  gap: .25rem;
  margin-top: 3rem;

}

.sp-menu__link{
  display: block;
  padding: .9rem .85rem;
  border-radius: 14px;
  text-decoration: none;
  color: var(--text);
  border: 1px solid transparent;
}

.sp-menu__link:hover{
  background: rgba(180, 90, 115, 0.06);
  border-color: var(--line);
}

.sp-menu__cta{
  margin-top: .5rem;
}

.sp-menu__ctaBtn{
  width: 100%;
  max-width: 280px;   /* ← ここで横幅を制御 */
  margin-inline: auto;
  justify-content: center;
}

/* open state */
.site-header.is-menu-open + .sp-menu{
  opacity: 1;
  visibility: visible;
  pointer-events: auto;

  transition: opacity .22s ease, visibility 0s;
}

.site-header.is-menu-open + .sp-menu .sp-menu__inner{
  transform: translateX(0);
  opacity: 1;
  width: 100%;
}

.nav-toggle{
  border-color: rgba(58, 43, 42, 0.08);
}

/* ハンバーガーを×に */
.site-header.is-menu-open .nav-toggle__line:nth-child(1){
  transform: translateY(8px) rotate(45deg);
}
.site-header.is-menu-open .nav-toggle__line:nth-child(2){
  opacity: 0;
}
.site-header.is-menu-open .nav-toggle__line:nth-child(3){
  transform: translateY(-8px) rotate(-45deg);
}


/* @media (min-width: 1023px){
  .sp-menu__inner{
    width: min(420px, 42vw);
  }
} */


/* ========================================
  Floating CTA
======================================== */

.floating-cta{
  position: fixed;
  inset-inline: 0;
  bottom: clamp(12px, 2vw, 20px);
  z-index: 900;

  display: flex;
  justify-content: center;
  pointer-events: none;

  transition:
    opacity .28s ease,
    transform .28s ease;
}

.floating-cta.is-hidden{
  opacity: 0;
  transform: translateY(12px);
}

.floating-cta__btn{
  pointer-events: auto;

  display: grid;
  gap: .1rem;
  padding: .9em 1.4em;

  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  box-shadow: 0 12px 28px rgba(180,90,115,.28);

  text-align: center;
}

.floating-cta__label{
  font-weight: 650;
  letter-spacing: .02em;
}

.floating-cta__sub{
  font-size: .75rem;
  opacity: .9;
}

/* PCでは少し控えめに */
@media (min-width: 1024px){
  .floating-cta{
    bottom: 24px;
  }
  .floating-cta__btn{
    padding: .75em 1.25em;
  }
}