:root{
  --bg: #fff8ef;
  --surface: #ffffff;
  --text: #2a2a2a;
  --line: rgba(0,0,0,0.08);

  --brand: rgb(255, 211, 124);
  --brand-2: #ffd36f;
  --accent: #ff5e5e;

  --shadow-soft: 0 4px 14px rgba(0,0,0,0.07);

  --radius-lg: 16px;
  --radius-md: 12px;

  --header-offset: 120px; /* ヘッダー+余白ぶん（ズレたらここだけ調整） */
}

*{ box-sizing: border-box; }
html, body {
  height: 100%;
  overflow: hidden; /* ページ自体はスクロールさせない */
}

body{
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Hiragino Kaku Gothic ProN", "メイリオ", sans-serif;
  margin: 0;
  color: var(--text);
  background: #ffffff;
}

img{ display: block; max-width: 100%; }

.app{
  min-height: 100dvh;
  background: linear-gradient(
    180deg,
    #fff2d5 0%,
    var(--bg) 40%,
    #ffffff 75%,
    #ffffff 100%
  );
}

/* ===== Header ===== */
.header{
  position: sticky;
  top: 0;
  z-index: 10;

  background: linear-gradient(180deg, var(--brand) 0%, var(--brand-2) 100%);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 10px 20px rgba(0,0,0,0.06);

  padding: 10px 18px 12px;
}

.header-inner{
  max-width: 520px;
  margin: 0 auto;
}

.logo{
  margin: 0 4px 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo img{ height: 52px; width: auto; }

.catch{
  margin: 0;                 /* 横に置くので0にする */
  margin-top: 6px;
  font-size: 13px;
  font-weight: 700;
  color: rgba(0,0,0,0.55);
  letter-spacing: 0.02em;
  line-height: 1.2;
  
}

/* ===== Search ===== */
.search-wrap{
  position: relative;
  max-width: 380px;
  margin: 0 auto;
}

#search{
  width: 100%;
  padding: 14px 44px 14px 16px;

  font-size: 16px;
  color: var(--text);
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,0.12);
  background: rgba(255,255,255,0.92);
  box-shadow: 0 6px 16px rgba(0,0,0,0.08);

  outline: none;
}

#search::placeholder{ color: rgba(0,0,0,0.45); }

#search:focus{
  border-color: rgba(255, 133, 0, 0.55);
  box-shadow: 0 0 0 4px rgba(255, 173, 66, 0.35), 0 10px 22px rgba(0,0,0,0.10);
}

.clear-btn{
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);

  width: 30px;
  height: 30px;
  border: none;
  border-radius: 10px;
  cursor: pointer;

  background: rgba(0,0,0,0.06);
  color: rgba(0,0,0,0.55);

  font-size: 18px;
  line-height: 1;

  -webkit-appearance: none;
  appearance: none;
  flex: 0 0 30px;

  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;  

  transition: transform 120ms ease, background 120ms ease;
}

.clear-btn:hover{ background: rgba(0,0,0,0.10); }
.clear-btn:active{ transform: translateY(-50%) scale(0.96); }

/* ===== Main layout ===== */
.main{
  max-width: 520px;
  margin: 0 auto;
  padding: 12px 16px 24px;

  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.container{
  flex: 1;
  min-width: 0;

  height: calc(100dvh - var(--header-offset));
  overflow-y: auto;
  overflow-x: hidden;

  -webkit-overflow-scrolling: touch; /* iOSのスクロール滑らか */
  overscroll-behavior: contain;      /* 余ったスクロールがページに伝播しない */

  scrollbar-gutter: stable;
}

.container::-webkit-scrollbar{ width: 10px; }
.container::-webkit-scrollbar-thumb{
  background: rgba(0,0,0,0.14);
  border-radius: 999px;
  border: 3px solid rgba(255,255,255,0.6);
}
.container::-webkit-scrollbar-track{ background: transparent; }

/* ===== Categories ===== */
.categories{
  width: 68px;
  display: flex;
  flex-direction: column;
  gap: 7px;

  position: sticky;
  top: var(--header-offset);
  align-self: flex-start;
}

.category-btn{
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;

  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-lg);
  cursor: pointer;
  overflow: hidden;

  display: flex;
  justify-content: center;
  align-items: center;

  box-shadow: var(--shadow-soft);
  transition: transform 120ms ease, box-shadow 120ms ease, filter 120ms ease;
}

.category-btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.10);
}

.category-btn:active{ transform: translateY(0) scale(0.98); }

/* 円が崩れないための“カテゴリ画像だけ特別扱い” */
.category-btn img{
  width: 57px;
  height: 57px;

  max-width: none; /* global img{max-width:100%} を打ち消す */
  object-fit: cover;
  border-radius: 50%;

  opacity: 0.96;
  padding: 3px;
  background: rgba(255,255,255,0.75);
}

.category-text{
  position: absolute;
  left: 6px;
  right: 6px;
  bottom: 2px;

  z-index: 2;
  text-align: center;

  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 0.90;
  color: #222;

  background: rgba(255,255,255,0.72);
  border-radius: 10px;
  padding: 4px 1px;
}

.category-btn.is-dim{
  filter: brightness(0.72) saturate(0.9);
  opacity: 0.82;
}

.category-btn.vege-btn { background: linear-gradient(135deg, #b0ffbd, #8feea2); }
.category-btn.fruit-btn{ background: linear-gradient(135deg, #ffe796, #ffd05c); }
.category-btn.fish-btn { background: linear-gradient(135deg, #b3d9ff, #8fc2f0); }
.category-btn.other-btn{ background: linear-gradient(135deg, #ffc2b0, #ff9f87); }

/* ===== Food cards ===== */
.vege{
  margin-bottom: 3px;
  border-radius: var(--radius-md);
  overflow: hidden;

  border: 1px solid var(--line);
  box-shadow: 0 6px 18px rgba(0,0,0,0.07);
  background: var(--surface);
}

.toggle{
  width: 100%;
  background: rgba(255,255,255,0.96);
  padding: 14px 12px;
  cursor: pointer;
  border: none;

  display: flex;
  align-items: center;
  gap: 10px;

  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  text-align: left;

  transition: transform 120ms ease, background 120ms ease;
}

.toggle:hover{ background: rgba(255,255,255,1); }
.toggle:active{ transform: scale(0.992); }

.toggle .icon{
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid rgba(0,0,0,0.08);
}

.toggle .title{
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.toggle .right{
  display: flex;
  align-items: center;
  margin-left: auto;
  gap: 8px;
  flex-shrink: 0;
}

.fav-btn{
  border: none;
  background: rgba(255, 94, 94, 0.10);
  color: var(--accent);
  cursor: pointer;

  width: 30px;
  height: 30px;
  border-radius: 10px;

  font-size: 20px;
  line-height: 1;

  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;

  -webkit-appearance: none;
  appearance: none;
  flex: 0 0 30px;

  transition: transform 120ms ease, background 120ms ease;
}

.clear-btn, .fav-btn{
  min-width: 30px;
  max-width: 30px;
}

.fav-btn:hover{ background: rgba(255, 94, 94, 0.16); }
.fav-btn:active{ transform: scale(0.96); }

.toggle .arrow{
  display: inline-block;
  color: rgba(0,0,0,0.45);
  font-size: 20px;
  line-height: 1;
  transition: transform 160ms ease;
}

.toggle.is-open .arrow{ transform: rotate(90deg); }

/* ===== Detail ===== */
.detail{
  max-height: 0;
  opacity: 0;
  transform: translateY(-4px);
  overflow: hidden;

  padding: 0 12px;
  background: #ffffff;

  transition: max-height 220ms ease, opacity 200ms ease, transform 200ms ease, padding 200ms ease;
}

.detail.is-open{
  max-height: 1200px;
  opacity: 1;
  transform: translateY(0);
  padding: 0;
}

.detail img{
  width: 100%;
  max-width: none;       /* 260px制限を解除 */
  margin: 0;             /* 下の余白も消す */
  border-radius: 12px;   /* 角丸はお好みで（0にすると完全にピッタリ） */
  border: 0;             /* 枠いらなければ */
  display: block;
}

.detail p{
  margin: 0;
  color: rgba(0,0,0,0.72);
  font-size: 14px;
  line-height: 1.6;
}

/* タップ最適化 */
.category-btn, .toggle, .detail{ touch-action: manipulation; }

/* ===== Responsive ===== */
@media (max-width: 480px){
  :root{ --header-offset: 118px; }

  .main{
    padding: 10px 12px 14px;
    gap: 8px;
  }

  .logo img{ height: 48px; }
  .categories{ width: 62px; }
  .toggle{ padding: 13px 10px; }
}

@media (prefers-reduced-motion: reduce){
  *{ transition: none !important; }
}