/* ===== Header ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.header-logo a {
  font-weight: bold;
  text-decoration: none;
  color: #333;
}

/* ===== Menu PC ===== */
.header-menu {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
}

.header-menu a {
  text-decoration: none;
  color: #555;
}

/* ===== Hamburger ===== */
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid #f7b977;
  position: relative;
}

.hamburger span {
  position: absolute;
  width: 20px;
  height: 2px;
  background: #f7b977;
  left: 12px;
  transition: .2s;
}

.hamburger span:nth-child(1){ top: 14px; }
.hamburger span:nth-child(2){ top: 21px; }
.hamburger span:nth-child(3){ top: 28px; }

.hamburger.is-open span:nth-child(1){
  transform: rotate(45deg);
  top: 21px;
}
.hamburger.is-open span:nth-child(2){
  opacity: 0;
}
.hamburger.is-open span:nth-child(3){
  transform: rotate(-45deg);
  top: 21px;
}

/* ===== SP ===== */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .header-menu {
    display: none;
    position: absolute;
    top: 64px;
    right: 16px;
    width: 260px;
    background: #fff;
    border-radius: 16px;
    padding: 16px;
    box-shadow: 0 14px 30px rgba(0,0,0,.12);
    flex-direction: column;
    gap: 12px;
  }

  .header-menu.is-open {
    display: flex;
  }
}

.header-inner{ position: relative; }

@media (max-width: 768px){
  .hamburger{
    display: block;
    position: absolute;
    top: 12px;
    right: 12px;   /* ← ここで“もっと右”も調整 */
    margin: 0;
  }
}

@media (max-width: 768px){
  /* ハンバーガーボタン（□） */
.hamburger{
  width: 56px;
  height: 56px;
  border-radius: 16px;
  border: 1px solid rgba(247,185,119,.6);
  background: #fff;
  position: absolute;
  top: 12px;
  right: 12px;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(0,0,0,.10), 0 0 0 6px rgba(247,185,119,.18);
}

/* 3本線 */
.hamburger span{
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;      /* ← 線の長さ */
  height: 3px;      /* ← 線の太さ */
  background: #f7b977;
  border-radius: 999px;
  transition: transform .2s ease, opacity .2s ease;
  transform-origin: center;
}

/* 線の縦位置（間隔） */
.hamburger span:nth-child(1){ top: 18px; }
.hamburger span:nth-child(2){ top: 26px; }
.hamburger span:nth-child(3){ top: 34px; }

/* ＞（逆くの字）に変形：これだけ残す */
.hamburger.is-open span:nth-child(1){
  top: 22px;
  transform: translateX(-50%) rotate(35deg);
}

.hamburger.is-open span:nth-child(2){
  opacity: 0;
}

.hamburger.is-open span:nth-child(3){
  top: 30px;
  transform: translateX(-50%) rotate(-35deg);
}
}