:root {
  --paper: #f4efe6;
  --paper-light: #fbf7ef;
  --ink: #273443;
  --night: #182a46;
  --muted: #5f655e;
  --border: #ded5c4;
  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --sans: "Noto Sans TC", "PingFang TC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 400 16px/1.9 var(--sans); letter-spacing: .035em; }
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.5; letter-spacing: .065em; }
h2 { font-size: clamp(1.7rem, 2.6vw, 2.6rem); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #b78237; outline-offset: 4px; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: .6rem 1rem; background: var(--night); color: white; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.content-width { width: min(89%, 1220px); margin-inline: auto; }
.section-pad { padding: clamp(4rem, 8vw, 7rem) 0; }
.eyebrow { margin-bottom: .7rem; color: #6d725e; font: 600 .68rem/1.4 var(--sans); letter-spacing: .2em; }
.section-heading { margin-bottom: 2.6rem; }
.section-heading h2 { color: var(--ink); }
.section-heading > p:last-child { margin-top: .85rem; color: var(--muted); font-size: .95rem; }
.centered { text-align: center; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 50px; padding: .7rem 1.75rem; border: 1px solid transparent; border-radius: 99px; font-size: .95rem; font-weight: 600; transition: background-color .2s, color .2s; }
.button-gold { color: #1f2b34; background: #d8af68; }
.button-gold:hover { color: #fff; background: #8c6631; }
.text-link { display: inline-block; padding: 0 0 .2rem; border-bottom: 1px solid #a67539; color: #615033; font-size: .9rem; font-weight: 600; }
.text-link:hover { color: #8d632a; }
.site-header { position: absolute; z-index: 20; top: 0; left: 0; width: 100%; }
body.menu-open .site-header { z-index: 50; pointer-events: none; }
body.menu-open .menu-toggle { pointer-events: auto; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; width: min(91%, 1350px); min-height: 96px; margin: auto; }
.brand { display: inline-flex; flex-direction: column; flex-shrink: 0; color: #24333a; }
.brand-name { font: 700 clamp(1.25rem, 2.2vw, 1.75rem)/1.25 var(--serif); letter-spacing: .14em; }
.brand-caption { margin-top: .15rem; font: 600 .57rem/1.3 var(--serif); letter-spacing: .15em; }
.desktop-nav { display: flex; align-items: center; justify-content: flex-end; gap: clamp(1.2rem, 3vw, 2.8rem); font-size: .85rem; font-weight: 600; }
.desktop-nav a { padding: .4rem 0; border-bottom: 1px solid transparent; }
.desktop-nav a:hover { border-color: #aa7938; }
.menu-toggle { display: none; padding: .45rem .8rem; border: 1px solid #9b907c; border-radius: 99px; color: var(--ink); background: #f9f5eadd; cursor: pointer; }
.menu-shade { position: fixed; z-index: 30; inset: 0; background: #16243899; }
.site-menu { position: fixed; z-index: 40; top: 0; right: 0; bottom: 0; width: min(21rem, 84vw); padding: 6.5rem 2rem 2rem; background: var(--paper-light); box-shadow: -8px 0 30px #182a4620; }
.site-menu a { display: block; padding: .9rem .2rem; border-bottom: 1px solid var(--border); font-family: var(--serif); font-weight: 600; }
.site-menu[hidden], .menu-shade[hidden] { display: none; }
.menu-toggle[aria-expanded="true"] { position: fixed; z-index: 50; top: 1.15rem; right: 5.5%; }
.hero { position: relative; isolation: isolate; min-height: clamp(650px, 58vw, 860px); overflow: hidden; background: #dce9ed; }
.hero-picture, .closing-picture { position: absolute; z-index: -1; inset: 0; }
.hero-picture img, .closing-picture img { width: 100%; height: 100%; object-fit: cover; }
.hero-picture img { object-position: 50% 50%; }
.hero-content { display: flex; align-items: center; min-height: inherit; padding-top: 7rem; padding-bottom: 5rem; }
.hero-copy { width: min(48%, 580px); }
.hero-copy h1 { color: #1f2e38; font-size: clamp(2rem, 3.2vw, 3.55rem); line-height: 1.65; letter-spacing: .055em; }
.hero-intro { margin-top: 1.35rem; color: #283744; font-size: clamp(.95rem, 1.15vw, 1.08rem); line-height: 2.1; font-weight: 500; }
.hero .button { margin-top: 1.7rem; }
.music { background: var(--paper); }
.music-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2.3vw, 2rem); }
.music-card { display: flex; flex-direction: column; overflow: hidden; border: 1px solid #e4dccc; border-radius: .7rem; background: #faf6ee; box-shadow: 0 8px 24px #5a4b3210; }
.cover-link { display: block; overflow: hidden; background: #e7dfd1; }
.cover-link img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; }
.card-copy { display: flex; flex: 1; flex-direction: column; align-items: flex-start; padding: 1.3rem 1.45rem 1.55rem; }
.card-context { color: #72705d; font-size: .79rem; }
.card-copy h3 { margin: .3rem 0 .55rem; font-size: 1.22rem; }
.card-copy > p:not(.card-context) { color: #5b615d; font-size: .9rem; line-height: 1.9; }
.card-copy .text-link { margin-top: auto; padding-top: 1.2rem; }
.music-more { margin-top: 2.2rem; text-align: center; }
.philosophy { position: relative; isolation: isolate; min-height: 680px; overflow: hidden; background: #e5ece6; }
.philosophy-image { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.philosophy-inner { display: flex; align-items: center; min-height: inherit; padding-top: 4.5rem; padding-bottom: 4.5rem; }
.philosophy-copy { width: min(48%, 570px); padding: 2rem 2.25rem; border-radius: .6rem; background: #f8f5ebed; }
.statement { margin-top: 1.4rem; color: #303d42; font-family: var(--serif); font-size: 1.08rem; font-weight: 600; line-height: 2; }
.story-paragraphs { margin-top: 1rem; color: #48524d; font-size: .91rem; line-height: 1.9; }
.story-paragraphs p + p { margin-top: .6rem; }
.philosophy-copy .text-link { margin-top: 1.2rem; }
.about-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(2.5rem, 7vw, 7rem); }
.about-image { overflow: hidden; border-radius: .7rem; }
.about-image img { aspect-ratio: 1 / 1; object-fit: cover; }
.about-copy h3 { margin: 1.25rem 0 1rem; font-size: 1.05rem; }
.about-copy > p:not(.eyebrow) { color: #4c5752; font-size: .93rem; line-height: 2; }
.about-copy > p + p { margin-top: .8rem; }
.about-copy .text-link { margin-top: 1.25rem; }
.faq { padding-top: 1rem; }
.faq-width { width: min(84%, 830px); margin-inline: auto; }
.faq-list { display: grid; gap: .7rem; }
.faq-item { border: 1px solid #ded4c3; border-radius: .55rem; background: #faf7f0; }
.faq-item summary { padding: 1rem 1.35rem; font-family: var(--serif); font-size: .98rem; font-weight: 600; cursor: pointer; }
.faq-item p { padding: 0 1.35rem 1.2rem; color: #4f5954; font-size: .92rem; }
.closing { position: relative; isolation: isolate; min-height: 560px; overflow: hidden; color: #fffaf0; background: var(--night); }
.closing-picture img { object-position: center; }
.closing-inner { display: flex; align-items: center; min-height: inherit; padding-top: 4rem; padding-bottom: 4rem; }
.closing-copy { width: min(44%, 500px); }
.closing-copy .eyebrow { color: #e3c99d; }
.closing h2 { color: #fffaf0; }
.closing-lead { margin-top: 1.15rem; font: 500 clamp(1.15rem, 1.7vw, 1.45rem)/1.9 var(--serif); }
.closing-copy > p:not(.eyebrow):not(.closing-lead) { margin-top: 1rem; color: #f0eee9; font-size: .94rem; }
.closing .button { margin-top: 1.6rem; }
.closing-subscribe { display: inline-block; margin-left: 1rem; padding-bottom: .1rem; border-bottom: 1px solid #e1c48f; color: #fff8e9; font-size: .88rem; }
.closing-subscribe:hover { color: #e8c589; }
.site-footer { padding: 3.5rem 0 2rem; color: #f4efe6; background: #182a46; }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 2rem; align-items: start; }
.footer-brand { display: inline-flex; flex-direction: column; font: 600 1.35rem/1.4 var(--serif); letter-spacing: .12em; }
.footer-brand span { margin-top: .15rem; font-size: .58rem; letter-spacing: .15em; }
.footer-brand-block p { margin-top: .9rem; color: #e1e4e5; font-size: .85rem; }
.footer-nav, .social-links { display: flex; flex-wrap: wrap; gap: .65rem 1.25rem; padding-top: .3rem; font-size: .82rem; }
.footer-nav a:hover, .social-links a:hover, .footer-bottom a:hover { color: #efcb8f; }
.footer-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 2rem; margin-top: 1rem; padding-top: 1.4rem; border-top: 1px solid #ffffff45; }
.footer-bottom small, .footer-bottom a { color: #e2e5e8; font-size: .75rem; line-height: 1.8; }
@media (max-width: 900px) {
  .desktop-nav { gap: 1rem; font-size: .8rem; }
  .hero-copy { width: 51%; }
  .philosophy-copy { width: 56%; }
  .about-grid { gap: 2.5rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .social-links { grid-column: 1 / -1; }
}
@media (max-width: 700px) {
  html { scroll-padding-top: 1rem; }
  .header-inner { min-height: 75px; width: calc(100% - 36px); }
  .brand-name { font-size: 1.3rem; }
  .brand-caption { font-size: .53rem; }
  .desktop-nav { display: none; }
  .menu-toggle { display: inline-block; }
  .hero { min-height: 780px; }
  .hero-picture img { object-position: 50% 50%; }
  .hero-content { align-items: flex-start; padding-top: 6.4rem; padding-bottom: 2rem; }
  .hero-copy { width: min(100%, 430px); padding: 1.2rem 1.25rem; border-radius: .55rem; background: #fbf8efdc; }
  .hero-copy h1 { font-size: clamp(1.7rem, 6.7vw, 2.4rem); line-height: 1.55; }
  .hero-intro { margin-top: .8rem; font-size: .9rem; line-height: 1.9; }
  .hero-intro br:nth-of-type(2) { display: none; }
  .hero .button { margin-top: 1rem; }
  .music-grid { grid-template-columns: 1fr; max-width: 490px; margin-inline: auto; gap: 1.2rem; }
  .section-heading { margin-bottom: 2rem; }
  .philosophy { min-height: 0; padding-bottom: 0; }
  .philosophy-image { position: relative; z-index: 0; height: auto; aspect-ratio: 1.45; object-position: 70% center; }
  .philosophy-inner { display: block; min-height: 0; width: 100%; padding: 0; }
  .philosophy-copy { width: auto; padding: 2.5rem 6% 3rem; border-radius: 0; background: #f7f3ea; }
  .about-grid { grid-template-columns: 1fr; gap: 2.2rem; }
  .about-image img { aspect-ratio: 1.25; }
  .faq-width { width: 88%; }
  .closing { min-height: 850px; }
  .closing-picture img { object-position: center; }
  .closing-inner { align-items: flex-start; padding-top: 4rem; }
  .closing-copy { width: min(100%, 420px); padding: 1.3rem; border-radius: .5rem; background: #182a46d9; }
  .closing-copy > p:not(.eyebrow):not(.closing-lead) { max-width: 30em; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.6rem; }
  .social-links, .footer-bottom { grid-column: 1; }
  .footer-bottom { flex-direction: column; gap: .8rem; }
}
@media (max-width: 380px) {
  .hero { min-height: 720px; }
  .hero-content { padding-top: 5.4rem; }
  .hero-copy h1 { font-size: 1.6rem; }
  .hero-copy { padding: 1rem; }
  .closing { min-height: 780px; }
  .closing-subscribe { display: block; width: fit-content; margin: 1rem 0 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* 閱讀修正：短文字留在主畫面，完整內容在純色閱讀區展開。 */
body { background-image: url("images/paper-surface.webp"); background-size: 640px 640px; }
.music, .philosophy { background-image: url("images/paper-surface.webp"); background-size: 640px 640px; }
.hero::after, .philosophy::after, .closing::before { content: ""; position: absolute; z-index: 2; left: 0; width: 100%; height: clamp(36px, 4vw, 68px); background: url("images/paper-edge.webp") center / 100% 100% no-repeat; pointer-events: none; }
.hero::after, .philosophy::after { bottom: -1px; }
.closing::before { top: -1px; transform: rotate(180deg); }
.site-header { background: var(--paper-light); border-bottom: 1px solid #e1d8c6; }
.header-inner { min-height: 82px; }
.hero { min-height: clamp(620px, 58vw, 860px); }
.hero-picture img { object-position: 50% 25%; }
.hero-content { align-items: flex-start; padding-top: clamp(132px, 12vw, 176px); padding-bottom: 4rem; }
.hero-copy { width: min(50%, 620px); padding: 1.5rem 1.8rem; border-radius: .25rem; background: var(--paper-light); background-image: url("images/paper-surface.webp"); background-size: 640px 640px; }
.hero-copy h1 { font-size: clamp(2rem, 3.2vw, 3.25rem); line-height: 1.45; }
.hero-intro { margin-top: 1.15rem; font-family: var(--serif); font-size: 1rem; line-height: 1.9; }
.hero .button { margin-top: 1.35rem; }
.section-pad { padding: clamp(3rem, 5.5vw, 5rem) 0; }
.section-heading { margin-bottom: 2rem; }
.music-grid { grid-auto-rows: 1fr; align-items: stretch; }
.card-copy { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: .5rem .75rem; padding: 1rem 1.15rem .7rem; }
.card-copy h3 { margin: 0; font-size: 1.1rem; }
.song-listen { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: .45rem .8rem; border-radius: 99px; color: #1f2b34; background: #d8af68; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.song-listen:hover { color: #fff; background: #8c6631; }
.card-details { grid-column: 1 / -1; border-top: 1px solid var(--border); }
.card-details summary { min-height: 42px; padding: .55rem 0; color: #565b51; font-size: .8rem; cursor: pointer; }
.card-details .details-content { padding: .3rem 0 .8rem; color: #4c5752; font-size: .9rem; }
.card-context { margin-bottom: .3rem; color: #4c5752; font-weight: 500; }
.philosophy { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); min-height: 430px; background: var(--paper); }
.philosophy-image { position: static; z-index: 0; grid-column: 2; grid-row: 1; align-self: stretch; height: 100%; min-height: 430px; object-fit: cover; object-position: right center; }
.philosophy-inner { grid-column: 1; grid-row: 1; width: auto; margin: 0; padding: 3rem clamp(2rem, 4vw, 4rem); }
.philosophy-copy { width: 100%; padding: 0; border-radius: 0; background: transparent; }
.statement { margin-top: 1.2rem; font-size: 1rem; line-height: 1.95; }
.story-reading { padding-top: .8rem; }
.read-more { color: #3f4c45; font-size: .95rem; }
.read-more summary { width: fit-content; min-height: 44px; padding: .55rem .15rem; border-bottom: 1px solid #b8a17c; cursor: pointer; font-weight: 500; }
.read-more .details-content { padding: 1rem 0 .4rem; line-height: 2; }
.read-more .details-content p + p { margin-top: .9rem; }
.story-reading .details-content { max-width: 760px; }
.story-reading .text-link { margin-top: 1rem; }
.about-grid { align-items: start; gap: clamp(2rem, 5vw, 5rem); }
.about-image img { height: auto; aspect-ratio: 3 / 2; object-fit: contain; }
.about-copy h3 { margin-top: 1rem; }
.about-copy .about-lead { margin-top: 1rem; font: 500 1.08rem/1.95 var(--serif); }
.about-copy .about-note { margin-top: .9rem; font-size: .86rem; color: #535f56; }
.about-story { margin-top: .8rem; }
.about-copy .details-content { font-size: .93rem; }
.about-copy .text-link { margin-top: 1rem; }
.faq { padding-top: 1rem; }
.closing { min-height: clamp(450px, 40vw, 640px); }
.closing-inner { align-items: flex-start; padding-top: clamp(64px, 8vw, 120px); padding-bottom: 3.5rem; }
.closing-copy { width: min(42%, 480px); padding: 1.6rem 1.8rem; border-radius: .35rem; background: #182a46f5; }
.closing-lead { margin-top: .9rem; font-size: 1.1rem; }
.closing .button { margin-top: 1.3rem; }
.footer-invite { margin-top: .7rem; max-width: 34em; color: #e1e4e5; font-size: .84rem; }
.footer-invite summary { border-color: #a99c83; }
.footer-invite .details-content p { margin-top: 0; }
.footer-invite .closing-subscribe { margin: .8rem 0 0; }

@media (max-width: 1100px) and (min-width: 1001px) {
  .card-copy { grid-template-columns: 1fr; }
  .song-listen { width: fit-content; }
  .card-details { grid-column: 1; }
}

@media (max-width: 1000px) {
  .site-header { position: relative; }
  .header-inner { min-height: 75px; }
  .desktop-nav { display: none; }
  .menu-toggle { display: inline-block; }
  .hero, .closing { display: grid; grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .hero { background: var(--paper-light); }
  .hero-content, .closing-inner { grid-column: 1; grid-row: 1; width: 89%; min-height: 0; padding: 2.5rem 0 2rem; }
  .hero-copy, .closing-copy { width: 100%; max-width: 600px; margin-inline: auto; padding: 0; border-radius: 0; background: transparent; }
  .hero-copy h1 { font-size: clamp(1.65rem, 4.8vw, 2.8rem); line-height: 1.5; }
  .hero-intro { font-size: .95rem; }
  .hero-picture, .closing-picture { position: relative; z-index: 0; inset: auto; grid-column: 1; grid-row: 2; width: 100%; }
  .hero-picture img, .closing-picture img { width: 100%; height: auto; object-fit: contain; }
  .hero .button { margin-top: 1.2rem; }
  .philosophy { grid-template-columns: 1fr; min-height: 0; }
  .philosophy-inner { grid-column: 1; grid-row: 1; min-height: 0; padding: 2.5rem 5.5%; }
  .philosophy-copy { width: 100%; max-width: 650px; margin-inline: auto; }
  .philosophy-image { grid-column: 1; grid-row: 2; width: 100%; height: auto; min-height: 0; aspect-ratio: auto; object-fit: contain; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-image img { aspect-ratio: 3 / 2; }
  .about-copy { max-width: 650px; }
  .closing-inner { padding-block: 2.5rem; }
  .closing-lead { font-size: 1.05rem; }
}

@media (max-width: 420px) {
  .content-width { width: 89%; }
  .hero-copy h1 { font-size: clamp(1.4rem, 5.7vw, 1.7rem); }
  .hero-intro { font-size: .88rem; }
  .card-copy { padding-inline: .9rem; }
  .card-copy h3 { font-size: 1.02rem; }
  .song-listen { padding-inline: .65rem; }
}

.booking { background: var(--paper-light); }
.booking-inner { max-width: 860px; }
[data-ai-booking] {
  --aib-card: #fbf7ef;
  --aib-soft: #eee7d9;
  --aib-ink: #273443;
  --aib-sub: #5f655e;
  --aib-line: #ded5c4;
  --aib-accent: #4f6b4d;
  --aib-on-accent: #fff;
  --aib-font: var(--sans);
  --aib-font-head: var(--serif);
  --aib-radius: 14px;
}
