@font-face {
  font-family: "TanukiMagic";
  src: url("../assets/fonts/TanukiMagic.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "OpenHuninn";
  src: url("../assets/fonts/jf-openhuninn-2.0.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "GenSenRounded";
  src: url("../assets/fonts/GenSenRounded2TW-M.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-title: "TanukiMagic", "OpenHuninn", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-body: "OpenHuninn", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-menu: "GenSenRounded", "OpenHuninn", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --color-ink: #3e3a39;
  --color-muted: #725f55;
  --color-paper: #fffaf1;
  --color-pink: #f6a9ba;
  --color-rose: #e96f8f;
  --color-yellow: #ffd877;
  --color-mint: #9edcc4;
  --color-sky: #5b9bd5;
  --color-brown: #6f5230;
  --color-note: #d9363e;
  --color-line: rgb(177 100 3 / 0.36);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
  --dot-pattern: radial-gradient(circle at 1px 1px, rgba(255, 188, 203, 0.38) 1.5px, transparent 0) 0 0 / 1.55rem 1.55rem;
  --navbar-height: 3.2rem;
  --container: 75rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: auto;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.75;
  /* 底圖：設計稿原圖 page-bg.png。寬高皆延展，依整頁高度滿版貼合（皇上指定）。 */
  background: #eef6ff url("../assets/index/page-bg.png") top center / 100% 100% no-repeat;
}

body.is-menu-open {
  overflow: hidden;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

img {
  display: block;
}

a {
  color: inherit;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid #2f8fd1;
  outline-offset: 4px;
}

/* 觸控裝置點擊 navbar 不顯示藍色 focus 框（保留桌機鍵盤 focus 提示） */
@media (max-width: 767.98px) and (hover: none) and (pointer: coarse) {
  .navbar__toggle,
  .navbar__nav a {
    -webkit-tap-highlight-color: transparent;
  }

  .navbar__toggle:focus,
  .navbar__toggle:focus-visible,
  .navbar__nav a:focus,
  .navbar__nav a:focus-visible {
    outline: none;
  }
}

[hidden] {
  display: none !important;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  min-height: var(--navbar-height);
  color: var(--color-ink);
}

.navbar__bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.25rem;
  min-height: 3rem;
  padding: 0.2rem clamp(1rem, 3vw, 2.5rem);
  background: linear-gradient(90deg, #8fd1f4 0%, #88aad8 52%, #8183be 100%);
}

.navbar__nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.75rem, 1.8vw, 1.8rem);
  font-family: var(--font-menu);
  font-size: clamp(1.07rem, 1.56vw, 1.3rem);
  letter-spacing: 0.04em;
}

.navbar__nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.4rem;
  color: #fff;
  text-decoration: none;
  border-radius: 999px;
  transition:
    opacity 0.16s ease,
    transform 0.16s ease;
}

.navbar__nav a:hover {
  opacity: 0.78;
  transform: translateY(-1px);
}

/* 選單項目圖檔：桌機隱藏（顯示文字），手機才以圖檔取代文字 */
.navbar__icon {
  display: none;
}

.navbar__toggle {
  display: none;
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 auto;
  padding: 0.55rem;
  border: 0;
  background: transparent;
}

/* 漢堡 / 關閉圖示：用 assets/mobile 的 PNG，依開合狀態切換 */
.navbar__toggle-icon {
  display: block;
  width: 100%;
  height: auto;
}

.navbar__toggle-icon--close,
.navbar.is-open .navbar__toggle-icon--menu {
  display: none;
}

.navbar.is-open .navbar__toggle-icon--close {
  display: block;
}

.side-booking {
  position: fixed;
  top: 60%;
  right: clamp(-1.2rem, -0.5vw, -0.5rem);
  z-index: 900;
  /* 3.95rem ×1.1 */
  width: 4.345rem;
  transform: translateY(-50%);
  transition: transform 0.16s ease;
}

.side-booking img {
  width: 100%;
}

.side-booking:hover {
  transform: translateY(-50%) translateX(-0.2rem);
}

.back-to-top {
  position: fixed;
  right: clamp(0.6rem, 2vw, 1.35rem);
  bottom: clamp(0.8rem, 2vw, 1.6rem);
  z-index: 900;
  display: grid;
  width: 3.25rem;
  height: 3.25rem;
  place-items: center;
  border: 0;
  /* 不需白底圓圈：去背景、去圓角、去陰影，只留 back-to-top.png 本體 */
  background: transparent;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.75rem);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top img {
  width: 1.5rem;
}

.footer {
  background: #5da2cc;
}

.footer__image {
  display: block;
  width: 80%;
  height: auto;
  margin: 0 auto;
}

@media (max-width: 767.98px) {
  /* 關閉鈕需浮於滿版選單之上；尺寸改用 px 避開流體 rem */
  .navbar__toggle {
    display: grid;
    place-items: center;
    z-index: 2;
    width: 44px;
    height: 44px;
    padding: 8px;
  }

  /* 點開時不滿版：高度依項目內容自然展開，自頂部下拉 */
  .navbar__nav {
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(4px, 1.5vw, 12px);
    width: 100%;
    padding: 64px 24px 32px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }

  /* 點開後選單底圖（group-19.png）放在 ::before 並半透明，
     讓後方頁面透出；選單項目文字維持不透明 */
  .navbar__nav::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
      url("../assets/mobile/group-19.png") center / cover no-repeat,
      linear-gradient(180deg, #9ed3f3 0%, #9aa6dd 100%);
    opacity: 0.8;
  }

  .navbar.is-open .navbar__nav {
    opacity: 1;
    pointer-events: auto;
  }

  /* 文字改用對應 PNG 圖檔；尺寸用 px/% 避開流體 rem */
  .navbar__nav a {
    width: 100%;
    max-width: 360px;
    padding: 0;
    border-bottom: 0;
    border-radius: 0;
  }

  .navbar__nav a:hover {
    opacity: 0.8;
  }

  .navbar__nav .navbar__label {
    display: none;
  }

  .navbar__nav .navbar__icon {
    display: block;
    width: 100%;
    height: auto;
    /* 白字為純白，於半透明底圖上加深色陰影使其更突出立體 */
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.35));
  }

  /* 項目順序對齊設計稿 */
  .navbar__nav a[href="index.html#about"] { order: 1; }
  .navbar__nav a[href="highlight.html"] { order: 2; }
  .navbar__nav a[href="goods.html"] { order: 3; }
  .navbar__nav a[href="index.html#ticket"] { order: 4; }
  .navbar__nav a[href="index.html#faq"] { order: 5; }
  .navbar__nav a[href="index.html#attention"] { order: 6; }

  /* 滿版選單開啟時鎖定背景捲動 */
  body.is-menu-open {
    overflow: hidden;
  }

  .navbar__bar {
    padding: 0.2rem 0.9rem;
  }

  .side-booking {
    width: 3.25rem;
  }
}

@media (max-width: 480px) {
  .side-booking {
    top: 60%;
    right: clamp(-1.2rem, -0.5vw, -0.5rem);
    width: 3.19rem;
  }

  .back-to-top {
    right: 0.75rem;
    bottom: 0.75rem;
  }
}