/* =========================================================
   fudosha.net header.css
   - Header (fixed)
   - Brand logo
   - Desktop nav
   - SP trigger button
   - OPEN MENU button
   - SP overlay menu
   ========================================================= */

/* =========================================================
   Header (brand + PC nav + SP trigger)
   ========================================================= */

   

/* -------------------------
   5) Header (fixed)
   ------------------------- */
   
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  border-bottom: none;
  backdrop-filter: none;
    opacity: 0;
  animation: headerFadeIn 2000ms ease-out forwards;
}

/* ヘッダー全体の“ふわっ” */
@keyframes headerFadeIn{
  from{
    opacity: 0;
    transform: translateY(-4px);
  }
  to{
    opacity: 1;
    transform: translateY(0);
  }
}

.header-inner{
  width: var(--bgw);
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 16px;
  position: relative; /* menu-toggle / nav-desktop の基準 */
}

/* brand wrapper (navの座標系) */
.brand{
  position: relative;
  width: 100%;
}

/* SP時にロゴ箱の高さを固定（headerとoverlayで同条件にする） */
@media (max-width: 767px){
  .brand{
    aspect-ratio: 1280 / 400; /* logo-sp.pngの比率に合わせる */
  }
}

/* logo */
.brand-link{
  text-decoration: none;
  color: inherit;
  display: block;
  width: 100%;
}
.brand-logo{
  display: block;
  width: 100%;
  height: auto;
}

.brand-link picture{ display: block; }
.brand-link picture img{ display: block; }

/* -------------------------
   5-2) Desktop nav (overlay on logo)
   ------------------------- */
.nav-desktop{
  display: none;
  position: absolute;

  top: 80%;
  right: 0%;
  transform: translateY(-50%);

  z-index: 1010;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;

  max-width: 35em;
  column-gap: 0px;
  row-gap: 0px;

  white-space: nowrap;
}

.nav-desktop a{
  text-decoration: none;
  padding: 0;
  background: transparent;

  font-family: var(--nav-pc-font);
  font-weight: 700;
  font-size: var(--nav-pc-size);
  line-height: var(--nav-pc-lh);
  letter-spacing: var(--nav-pc-track);

  color: var(--nav-pc-font-color);
  display: inline-block;
  transition: color .40s ease, transform .40s ease;
}

.nav-desktop a:hover{
  color: var(--nav-pc-hover-color);
  transform: translateY(-1px);
}
.nav-desktop a:focus-visible{
  outline: 2px solid rgba(15,18,28,0.35);
  outline-offset: 2px;
}

/* separator */
@media (min-width: 768px){
  .nav-desktop a + a::before{
    content: "❍";
    opacity: 1;
    margin: 0 0.3em;
  }
  .nav-desktop .nav-break + a::before{
    content: "";
    margin: 0;
  }
}

/* nav-break */
@media (min-width: 768px){
  .nav-desktop .nav-break{
    flex: 0 0 100%;
    height: 0;
  }
}

/* overflow safety */
@media (min-width: 768px){
  .nav-desktop{ overflow: hidden; }
}

/* -------------------------
   6) SP trigger button (hamburger <-> X)
   ------------------------- */
.menu-toggle{
  position: fixed; /* ←ここが本命 */

  top: calc(env(safe-area-inset-top, 0px) + 12px);
  right: calc(env(safe-area-inset-right, 0px) + 12px);

  z-index: 1100; /* header(1000)より上にして確実に押さえる */

  width: 50px;
  height: 50px;
  border-radius: 12px;
  border: 0;
  background: rgba(255, 255, 255, 0.438);
  box-shadow: 0 6px 16px rgba(15, 18, 28, 0.10);
  cursor: pointer;
}


@media (min-width: 768px){
  .menu-toggle{ display: none; }
}

.menu-icon{
  position: relative;
  display: block;
  width: 22px;
  height: 2px;
  margin: 0 auto;
  background: rgba(15,18,28,0.72);
  transform: translateY(6px);
  transition: background .25s ease;
}
.menu-icon::before,
.menu-icon::after{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(15,18,28,0.72);
  transition: transform .25s ease, top .25s ease, opacity .25s ease;
}
.menu-icon::before{ top: -6px; }
.menu-icon::after { top:  6px; }

.menu-toggle[aria-expanded="true"] .menu-icon{ background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-icon::before{
  top: 0;
  transform: rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-icon::after{
  top: 0;
  transform: rotate(-45deg);
}

/* -------------------------
   7) Top page only: centered OPEN MENU button (image)
   ------------------------- */
.open-menu-center{
  position: fixed;
  top: 330px;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: fit-content;
  height: fit-content;

  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;

  animation: breathe 2.8s ease-in-out infinite;
}
.open-menu-center img{
  display: block;
  width: 180px;
  height: auto;
}
@media (min-width: 768px){
  .open-menu-center{ display: none; }
}
@media (prefers-reduced-motion: reduce){
  .open-menu-center{ animation: none; }
}
@keyframes breathe{
  0%, 100% { opacity: 0.55; transform: translateY(0); }
  50%      { opacity: 1;    transform: translateY(-1px); }
}

/* =========================================================
   SP Overlay Menu
   ========================================================= */
/* =========================================================
   SP Overlay Menu （FIX）
   ========================================================= */

.menu-overlay{
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: var(--nav-sp-bgcolor);
  backdrop-filter: blur(16px);

  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .80s ease, visibility 0s linear .80s;

  /* iOS: 画面外引っ張り（ゴム伸び）抑止 */
  overscroll-behavior: contain;
}

.menu-overlay.is-open{
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity .80s ease, visibility 0s linear 0s;
}

/* backdropは使わない運用ならそのままでOK */
.menu-backdrop{ display:none; }

/* ×ボタン：常に“画面の右上”へ固定（スクロールの影響ゼロ） */
.menu-close{
  position: fixed;
  /* notch対策 */
  top: calc(env(safe-area-inset-top, 0px) + 12px);
  right: calc(env(safe-area-inset-right, 0px) + 12px);

  z-index: 2100;

  width: 50px;
  height: 50px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(250, 186, 201, 0.8);
  box-shadow: 0 6px 16px rgba(227, 228, 230, 0.3);
  cursor: pointer;

  font-size: 22px;
  line-height: 1;
}

/* スクロールするのは “中身” だけ */
.menu-overlay-inner{
  position: relative;
  z-index: 1;

  width: var(--bgw);
  max-width: var(--max);
  margin: 0 auto;

  /* ×ボタンぶんの余白を上に確保（被り防止） */
  padding:
    calc(env(safe-area-inset-top, 0px) + 18px)
    16px
    calc(env(safe-area-inset-bottom, 0px) + 18px);

  /* iOS: 100vhは信用しない */
  max-height: 100dvh;
  overflow: auto;
  -webkit-overflow-scrolling: touch;

  display: grid;
  grid-template-rows: auto auto;
  gap: 12px;              /* ← 16px→12px：少し詰める */
  align-content: start;
}

/* overlay logo */
@media (max-width: 767px){
  .menu-brand{
    display: block;
    width: 100%;
    margin: 0;
    aspect-ratio: 1280 / 400;
  }
  .menu-brand img{
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    object-position: top center;
  }
  .menu-brand{ margin-bottom: 12px; } /* 20px→12px：少し詰める */
}

/* hide fixed header while overlay open */
@media (max-width: 767px){
  html.menu-open .site-header{
    opacity: 0;
    pointer-events: none;
  }
}

/* メニューリスト：全体的に少しコンパクトに */
.nav-overlay-list{
  list-style: none;
  margin: 0;
  padding: 0;

  display: grid;
  gap: 16px;              /* 22px→16px：行間を詰める */
  justify-items: start;
}

.nav-overlay-list li{ pointer-events: none; }

.nav-overlay-list a{
  pointer-events: auto;
  display: inline-block;
  width: fit-content;
  padding: 0;

  font-family: var(--nav-font);
  color: var(--nav-sp-font-color);
  text-decoration: none;
  font-weight: 700;

  /* ここでコンパクト化 */
  font-size: 23px;        /* var(--nav-sp-size)=25px から少し落とす */
  line-height: 1.05;      /* 1.1→1.05 */
  letter-spacing: var(--nav-sp-track);

  transition: color .40s ease, transform .40s ease;
  -webkit-tap-highlight-color: transparent;
}

.nav-overlay-list a:hover{
  color: var(--nav-sp-hover-color);
  transform: translateY(-1px);
}
.nav-overlay-list a:active{
  color: var(--nav-sp-hover-color);
  transform: none;
}

/* =========================================================
   Global breakpoints (visibility)
   ========================================================= */
@media (min-width: 768px){
  .nav-desktop{ display: flex; }
  .nav-mobile{ display: none; }
}