/*
  about.css — 關於我們（一頁式）
  建立：2026-11-03 17:05（Claude（AI 編程員）｜依指揮官指示）
  最後更新：2026-11-03 20:54（Claude（AI 編程員）｜地板與倒影向下延伸漸隱）
  用途：關於我們頁版型；延續首頁的水泥牆面、面板、富生達橘與日夜配色
  斷點：手機 ≤767｜平板 768–1199｜桌機 1200–2559（設計基準 1440）｜4K ≥2560
  ⚠ 依 AGENTS.md「單元之間互不引用資源」，頁首、頁尾、切換鈕樣式與首頁各自一份
*/

/* 桌機與 4K 以視窗寬度等比放大字級；1440 時為 16px */
html { scrollbar-gutter: stable; --header-h: 5.75rem; font-size: clamp(14px, calc(.42vw + 10px), 26px); scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 4.5rem); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-wall-1);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container { width: min(84vw, 90rem); margin: 0 auto; }
/* 避免段落末行只剩單字加標點 */
p, li, blockquote, h1, h2, h3 { text-wrap: pretty; }
.nowrap { white-space: nowrap; }
:root[lang="en"] .nowrap { white-space: normal; }

/* ── 無障礙 ── */
.skip-link {
  position: absolute; left: var(--space-4); top: -4rem; z-index: 100;
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-s);
  background: var(--color-ink); color: var(--color-ink-inverse); text-decoration: none; font-weight: 600;
}
.skip-link:focus { top: var(--space-4); }
:focus-visible { outline: 3px solid var(--color-ink); outline-offset: 3px; border-radius: var(--radius-s); }
.on-dark :focus-visible, .site-footer :focus-visible { outline-color: var(--color-on-dark); }

.tag-planned {
  display: inline-block; margin-left: var(--space-2); padding: 0 .375rem;
  border: 1px solid currentColor; border-radius: var(--radius-s);
  font-size: .625rem; font-weight: 600; line-height: 1.6; letter-spacing: .04em; vertical-align: .15em; white-space: nowrap;
}

/* ── 頁首 ── */
/* 頁首固定於視窗上緣；捲動後 80% 不透明底（20% 透明）＋背景模糊 8px */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 30; height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 4vw;
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease), -webkit-backdrop-filter .3s var(--ease), backdrop-filter .3s var(--ease);
}
.topbar.is-scrolled {
  background: color-mix(in srgb, var(--color-wall-1) 80%, transparent);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--chip-border);
}
.topbar .prefs { transition: opacity .25s var(--ease), visibility 0s linear 0s; }
.menu-open .topbar .prefs { opacity: 0; visibility: hidden; transition: opacity .25s var(--ease), visibility 0s linear .25s; }
.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 4.25rem; width: auto; margin: -.5rem 0; }
.topbar-actions { display: flex; align-items: center; gap: var(--space-3); }
.prefs { display: flex; align-items: center; gap: var(--space-2); }
.seg {
  display: inline-flex; padding: 3px; border-radius: var(--radius-pill);
  background: var(--chip-bg); border: 1px solid var(--chip-border);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.seg button {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.375rem; height: 2.375rem; padding: 0; border: 0; border-radius: var(--radius-pill);
  background: transparent; color: var(--color-ink-2); font: inherit; font-size: .8125rem; font-weight: 600; cursor: pointer;
  transition: background-color .25s var(--ease), color .25s var(--ease);
}
/* 語言鈕固定寬度，切換中英文時不跳動 */
.seg button[data-lang] { width: 3.25rem; }
.seg button svg { width: 1.125rem; height: 1.125rem; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.seg button[aria-pressed="true"] { background: var(--color-pill); color: var(--color-on-pill); }
.seg button[aria-pressed="false"]:hover { color: var(--color-ink); }
.menu-btn {
  position: relative; z-index: 31;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-3); width: 7.25rem; height: 2.75rem; padding: 0;
  border: 0; border-radius: var(--radius-pill); background: var(--color-pill); color: var(--color-on-pill);
  font: inherit; font-size: .875rem; font-weight: 600; cursor: pointer;
}
.menu-btn .bars { position: relative; width: 1.125rem; height: .75rem; }
.menu-btn .bars::before, .menu-btn .bars::after {
  content: ""; position: absolute; left: 0; right: 0; height: 2px; border-radius: 2px; background: currentColor;
  transition: transform .4s var(--ease), top .4s var(--ease);
}
.menu-btn .bars::before { top: 0; }
.menu-btn .bars::after { top: calc(100% - 2px); }
.menu-open .menu-btn .bars::before { top: calc(50% - 1px); transform: rotate(45deg); }
.menu-open .menu-btn .bars::after { top: calc(50% - 1px); transform: rotate(-45deg); }

/* 圖示方塊（與首頁同規格） */
.icon-tile {
  flex: none; display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border-radius: .75rem;
  background: linear-gradient(150deg, var(--color-surface), var(--color-light-2));
  border: 1px solid rgba(0, 0, 0, .06); color: var(--color-ink);
  box-shadow: inset 0 1px 0 var(--tile-highlight), 0 .125rem .25rem rgba(0, 0, 0, .06), 0 .625rem 1.25rem -.5rem rgba(0, 0, 0, .35);
}
.icon-tile svg { width: 1.375rem; height: 1.375rem; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.acc { fill: var(--color-primary); stroke: none; }

/* ── 選單：右側抽屜，桌機佔視窗 1/5；80% 不透明底（20% 透明）＋抽屜背景模糊 16px ── */
.menu {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 25; overflow-y: auto;
  width: 20vw;
  padding: calc(var(--header-h) + var(--space-4)) var(--space-6) var(--space-8);
  background: color-mix(in srgb, var(--color-light-2) 80%, transparent);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border-left: 1px solid var(--chip-border);
  box-shadow: -1.5rem 0 3rem -1.5rem rgba(0, 0, 0, .3);
  transform: translateX(100%); visibility: hidden;
  transition: transform .45s var(--ease), visibility 0s linear .45s;
}
.menu ul { list-style: none; margin: 0; padding: 0; width: 100%; }
/* 抽屜以外（左側 4/5）：頁面內容模糊 6px，點擊關閉選單 */
.menu-scrim {
  position: fixed; inset: 0; z-index: 24; background: rgba(0, 0, 0, .06);
  opacity: 0; visibility: hidden; transition: opacity .3s var(--ease), visibility 0s linear .3s;
}
.menu-open .menu-scrim { opacity: 1; visibility: visible; transition-delay: 0s; }
main, .site-footer, .brand { transition: filter .35s var(--ease); }
.menu-open main, .menu-open .site-footer, .menu-open .brand { filter: blur(6px); }
.menu li { border-bottom: 1px solid var(--color-light-3); opacity: 0; transform: translateY(.5rem); transition: opacity .35s var(--ease), transform .5s var(--ease); }
.menu-link {
  display: flex; align-items: center; gap: var(--space-4); min-height: 3.75rem;
  color: var(--color-ink); font-size: 1.0625rem; font-weight: 600; text-decoration: none;
}
.menu-link .en { display: block; font-size: .6875rem; letter-spacing: .16em; color: var(--color-ink-2); }
a.menu-link:hover { color: var(--color-accent-ink); }
.menu-link .icon-tile {
  width: 2.25rem; height: 2.25rem; border-radius: .625rem; border-color: rgba(255, 255, 255, .08);
  background: linear-gradient(150deg, var(--tile-dark-1), var(--tile-dark-2)); color: var(--color-on-dark);
}
.menu-link .icon-tile svg { width: 1.125rem; height: 1.125rem; }
.menu-link[aria-current="page"] .icon-tile { background: linear-gradient(90deg, var(--color-primary), var(--color-primary-2)); color: var(--color-on-primary); border-color: transparent; }
.menu-link[aria-current="page"] .acc { fill: var(--color-on-primary); }
.menu-open .menu { visibility: visible; transform: none; transition-delay: 0s; }
.menu-open .menu li { opacity: 1; transform: none; transition-delay: calc(.08s + var(--d) * 35ms); }
.menu-open { overflow: hidden; }
.prefs--menu { display: flex; justify-content: space-between; gap: var(--space-2); margin-top: var(--space-6); }

/* ── 共用：區塊標題 ── */
.section { padding: clamp(6rem, 8vw, 10rem) 0; }
.eyebrow { margin: 0 0 var(--space-3); font-size: .75rem; font-weight: 700; letter-spacing: .22em; color: var(--color-accent-ink); }
.section-title { margin: 0; font-size: clamp(1.75rem, 2.2vw, 2.25rem); font-weight: 700; line-height: 1.3; letter-spacing: .02em; }
.section-lead { margin: var(--space-4) 0 0; max-width: 38rem; font-size: 1.0625rem; color: var(--color-ink-2); }
.en-label { display: block; font-size: .6875rem; font-weight: 600; letter-spacing: .16em; line-height: 1.5; color: var(--color-ink-2); }

/* ── 1. 開場：半屏高，與服務項目對齊；左標題＋標語、右圖片置頂 ── */
.about-hero {
  --floor: clamp(3rem, 7vh, 5rem);
  position: relative; z-index: 1; overflow-x: clip; overflow-y: visible;
  height: 50vh; height: 50svh; min-height: calc(var(--header-h) + 21rem);
  padding-top: var(--header-h);
  background-color: var(--color-wall-1);
  background-image:
    radial-gradient(ellipse 70% 40% at 30% 70%, var(--wall-glow), transparent 70%),
    radial-gradient(ellipse 60% 36% at 78% 64%, var(--wall-glow), transparent 70%),
    linear-gradient(var(--color-wall-2), var(--color-wall-1) 55%, var(--color-wall-1));
}
/* 開場後的區塊浮在延伸地板之上（背景透明，文字不被遮） */
#philosophy { position: relative; z-index: 2; }
/* 地板：與服務項目同款反光面 */
.about-hero::after {
  /* 地板向下延伸 300%（超出開場、疊在下一區塊上），逐漸淡出，避免斷圖；開場高度不變 */
  content: ""; position: absolute; left: 0; right: 0; top: calc(100% - var(--floor)); height: calc(var(--floor) * 4); z-index: 0; pointer-events: none;
  background: linear-gradient(var(--color-light-3), color-mix(in srgb, var(--color-wall-2) 70%, transparent) 25%, transparent);
  box-shadow: 0 -1px 0 var(--wall-glow);
}
.hero-grid { position: relative; z-index: 1; height: 100%; display: grid; grid-template-columns: 5fr 7fr; gap: 4rem; }
.hero-left { display: flex; flex-direction: column; justify-content: space-between; padding-bottom: calc(var(--floor) * .6); min-width: 0; }
/* 單元標題：與服務項目同規格 */
.hero-title { padding-top: var(--space-6); }
.hero-title h1 { margin: 0; white-space: nowrap; font-size: clamp(2.25rem, 3.6vw, 3.75rem); font-weight: 400; line-height: 1.1; letter-spacing: .02em; }
.hero-sub { margin: var(--space-2) 0 0; font-size: .75rem; font-weight: 600; letter-spacing: .22em; color: var(--color-ink-2); }
.hero-slogan { margin: 0; font-size: clamp(1.375rem, 2vw, 2.25rem); font-weight: 700; line-height: 1.3; letter-spacing: .02em; }
.hero-copy .lead { margin: var(--space-3) 0 0; max-width: 30rem; font-size: 1rem; color: var(--color-ink-2); }
.values { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: var(--space-4) 0 0; padding: 0; list-style: none; }
.values li {
  display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-1) var(--space-4); min-height: 2.25rem;
  border-radius: var(--radius-pill); background: var(--chip-bg); border: 1px solid var(--chip-border);
  font-size: .875rem; font-weight: 600;
}
.values li::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: var(--color-primary); }

/* 圖片置頂：由標題列頂端延伸到地板 */
.hero-visual { position: relative; padding-top: var(--space-6); padding-bottom: calc(var(--floor) * .45); min-height: 0; }
.hero-photo {
  position: relative; overflow: hidden; height: 100%; border-radius: var(--radius-m);
  box-shadow: var(--shadow-panel);
  -webkit-box-reflect: below .25rem linear-gradient(transparent 25%, rgba(255, 255, 255, .06) 65%, rgba(255, 255, 255, .28));
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 55% 40%; }
.hero-card {
  position: absolute; left: -2.5rem; bottom: calc(var(--floor) * .45 + 1.5rem); z-index: 2; min-width: 17rem; width: min(18rem, 70%);
  padding: var(--space-5) var(--space-6); border-radius: var(--radius-m);
  background: linear-gradient(120deg, var(--color-primary), var(--color-primary-2)); color: var(--color-on-primary);
  box-shadow: var(--shadow-panel);
}
.hero-card p { margin: 0; font-size: 1.0625rem; font-weight: 700; line-height: 1.5; }
.hero-card span { display: block; margin-top: var(--space-1); font-size: .75rem; font-weight: 600; letter-spacing: .01em; white-space: nowrap; color: var(--color-on-primary-2); }

/* ── 頁內導覽（一頁式錨點） ── */
.subnav {
  position: sticky; top: var(--header-h); z-index: 20;
  /* 未黏頂時透明，讓開場倒影延續；黏頂後才加底色與模糊 */
  background: transparent;
  transition: background-color .3s var(--ease), -webkit-backdrop-filter .3s var(--ease), backdrop-filter .3s var(--ease);
  border-bottom: 1px solid var(--chip-border);
}
.subnav.is-stuck { background: color-mix(in srgb, var(--color-wall-1) 82%, transparent); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.subnav ul { display: flex; gap: var(--space-1); margin: 0 auto; padding: var(--space-3) 0; list-style: none; overflow-x: auto; scrollbar-width: none; }
.subnav ul::-webkit-scrollbar { display: none; }
.subnav a {
  display: inline-flex; align-items: center; min-height: 2.5rem; padding: 0 var(--space-4); border-radius: var(--radius-pill);
  color: var(--color-ink-2); font-size: .875rem; font-weight: 600; text-decoration: none; white-space: nowrap;
  transition: background-color .25s var(--ease), color .25s var(--ease);
}
.subnav a:hover { color: var(--color-ink); }
.subnav a[aria-current="true"] { background: var(--color-pill); color: var(--color-on-pill); }

/* ── 2. 品牌理念：富・生・達 ── */
/* 原圖為白底，以白色卡片承載，日夜皆一致 */
.phil-banner { margin: 0 0 var(--space-12); padding: var(--space-4); border-radius: var(--radius-m); background: var(--tile-fixed-1); box-shadow: var(--shadow-panel); }
.phil-banner img { width: 100%; height: auto; }
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-1); margin-top: var(--space-12); }
.trio-card {
  position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between;
  min-height: 19rem; padding: var(--space-8); border-radius: var(--radius-m); box-shadow: var(--shadow-panel);
}
.trio-card .char { font-size: clamp(4.5rem, 7vw, 7rem); font-weight: 700; line-height: 1; }
.trio-card h3 { margin: 0; font-size: 1.375rem; font-weight: 700; }
.trio-card .en-label { margin-top: var(--space-1); }
.trio-card--orange { background: linear-gradient(120deg, var(--color-primary), var(--color-primary-2)); color: var(--color-on-primary); }
.trio-card--orange .en-label { color: var(--color-on-primary-2); }
.trio-card--light { background: linear-gradient(120deg, var(--color-light-1), var(--color-light-2)); }
.trio-card--dark { background: linear-gradient(120deg, var(--color-dark-1), var(--color-dark-2)); color: var(--color-on-dark); }
.trio-card--dark .en-label { color: var(--color-on-dark-2); }
/* 點陣裝飾：呼應 Logo */
.trio-card::after {
  content: ""; position: absolute; right: -1rem; bottom: -1rem; width: 9rem; height: 9rem; opacity: .18;
  background-image: radial-gradient(currentColor 22%, transparent 24%); background-size: 1.125rem 1.125rem;
}

.beliefs { display: grid; grid-template-columns: 1fr 2fr; gap: 4rem; margin-top: 5rem; }
.beliefs h3 { margin: 0; font-size: 1.25rem; font-weight: 700; }
.beliefs ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-5); }
.beliefs li { position: relative; padding-left: var(--space-6); font-size: 1.0625rem; line-height: 1.8; }
.beliefs li::before { content: ""; position: absolute; left: 0; top: .7em; width: .5rem; height: .5rem; border-radius: 50%; background: var(--color-primary); }
.beliefs li:last-child { font-weight: 700; }

/* ── 3. 公司使命 ── */
.section--alt { background: var(--color-light-2); }
.mission-grid { display: grid; grid-template-columns: 6fr 5fr; gap: 5rem; align-items: start; }
.mission-text p { margin: var(--space-6) 0 0; font-size: 1.0625rem; line-height: 1.9; }
.pull-quote {
  margin: var(--space-10) 0 0; padding-left: var(--space-6); border-left: 3px solid var(--color-primary);
  font-size: 1.375rem; font-weight: 700; line-height: 1.5;
}
.forces { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); margin: 0; padding: 0; list-style: none; }
.forces li {
  display: flex; flex-direction: column; gap: var(--space-6); padding: var(--space-6);
  border-radius: var(--radius-m); background: var(--color-wall-1); border: 1px solid var(--chip-border);
}
.forces strong { display: block; font-size: 1.25rem; }

/* ── 4. 服務態度 ── */
.attitude { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); margin: var(--space-12) 0 0; padding: 0; list-style: none; }
.attitude li { padding-top: var(--space-6); border-top: 2px solid var(--color-ink); }
.attitude .num { font-size: .875rem; font-weight: 700; color: var(--color-accent-ink); font-variant-numeric: tabular-nums; }
.attitude h3 { margin: var(--space-3) 0 0; font-size: 1.75rem; font-weight: 700; }
.attitude p { margin: var(--space-4) 0 0; color: var(--color-ink-2); }

/* ── 5. 工作哲學 ── */
.culture {
  position: relative; overflow: hidden; padding: clamp(6rem, 9vw, 10rem) 0;
  background: linear-gradient(120deg, var(--color-dark-1), var(--color-dark-2)); color: var(--color-on-dark);
}
.culture::before {
  content: ""; position: absolute; right: -4rem; top: -4rem; width: 28rem; height: 28rem; opacity: .14;
  background-image: radial-gradient(var(--color-primary) 22%, transparent 24%); background-size: 1.5rem 1.5rem;
  -webkit-mask-image: radial-gradient(circle, #000 30%, transparent 70%); mask-image: radial-gradient(circle, #000 30%, transparent 70%);
}
.culture .eyebrow { color: var(--color-primary); }
.culture blockquote { position: relative; margin: 0; }
.culture blockquote p { margin: 0; font-size: clamp(2rem, 3.6vw, 3.5rem); font-weight: 700; line-height: 1.3; }
.culture .quote-en { display: block; margin-top: var(--space-4); font-size: 1.125rem; font-weight: 600; letter-spacing: .04em; color: var(--color-primary); }
.culture .culture-text { position: relative; max-width: 40rem; margin: var(--space-10) 0 0; font-size: 1.0625rem; line-height: 1.9; color: var(--color-on-dark-2); }

/* ── 6. 行動呼籲 ── */
.cta { text-align: center; }
.cta .section-lead { margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-3); margin-top: var(--space-8); }
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2); min-height: 3rem; padding: 0 var(--space-6);
  border-radius: var(--radius-pill); font-size: .9375rem; font-weight: 700; text-decoration: none;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.btn svg { width: 1.125rem; height: 1.125rem; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.btn img { width: 1.125rem; height: 1.125rem; }
.btn--primary { background: linear-gradient(120deg, var(--color-primary), var(--color-primary-2)); color: var(--color-on-primary); box-shadow: 0 .75rem 1.5rem -1rem rgba(0, 0, 0, .5); }
.btn--ghost { border: 1px solid var(--color-ink); color: var(--color-ink); }
.btn:hover { transform: translateY(-2px); }

/* ── 捲動淡入（有 JS 才啟用） ── */
.js .reveal { opacity: 0; transform: translateY(1.5rem); transition: opacity .8s var(--ease), transform .9s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ── 頁尾（與首頁同規格） ── */
.site-footer { background: var(--color-footer); color: var(--color-on-dark-2); font-size: .8125rem; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-8);
  width: 84vw; margin: 0 auto; padding: var(--space-8) 0;
}
.footer-brand { display: flex; align-items: center; gap: var(--space-5); }
.footer-logo { height: 3.5rem; width: auto; }
.footer-divider { width: 1px; align-self: stretch; margin: var(--space-2) 0; background: rgba(255, 255, 255, .2); }
.footer-names { display: grid; gap: 2px; line-height: 1.4; }
.footer-names b { color: var(--color-on-dark); font-size: .9375rem; font-weight: 600; letter-spacing: .06em; white-space: nowrap; }
.footer-names span { font-size: .75rem; letter-spacing: .02em; }
.footer-meta { display: grid; gap: var(--space-2); text-align: right; }
.footer-line { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: var(--space-1) var(--space-3); margin: 0; }
.footer-line .sep { color: rgba(255, 255, 255, .3); }
.legal { display: inline-flex; align-items: center; gap: var(--space-3); }
.site-footer a { color: var(--color-on-dark); text-decoration: none; }
.site-footer a:hover { color: var(--color-primary); }
.fb-link { display: inline-flex; }
.fb-link img { width: 1.25rem; height: 1.25rem; }

/* ═══ 平板 ═══ */
@media (max-width: 1199px) {
  html { font-size: 16px; }
  .container { width: auto; padding: 0 var(--space-6); }
  .about-hero { height: auto; min-height: 0; padding: var(--header-h) 0 var(--floor); }
  .hero-title { padding-top: var(--space-4); }
  .hero-left { gap: var(--space-8); padding-bottom: 0; }
  .hero-visual { padding-top: 0; }
  .hero-photo { height: clamp(18rem, 44vw, 26rem); }
  .menu { width: 50vw; }
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero-card { left: var(--space-4); }
  .beliefs, .mission-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-inner { flex-direction: column; align-items: flex-start; width: auto; padding: var(--space-8) var(--space-6); }
  .footer-meta { text-align: left; }
  .footer-line { justify-content: flex-start; }
}

/* ═══ 手機 ═══ */
@media (max-width: 767px) {
  html { --header-h: 4.75rem; }
  .brand-logo { height: 3.5rem; }
  .topbar { padding: 0 var(--space-4); }
  .topbar .prefs { display: none; }
  .menu { width: 82vw; padding-left: var(--space-5); padding-right: var(--space-5); }
  .container { padding: 0 var(--space-4); }
  .about-hero { padding-bottom: var(--space-10); }
  .about-hero::after { display: none; }
  .hero-visual { padding-bottom: 0; }
  .hero-photo { height: 16rem; -webkit-box-reflect: none; }
  .hero-card { position: relative; left: auto; bottom: auto; width: auto; margin: calc(-1 * var(--space-8)) var(--space-4) 0; }
  .trio, .attitude { grid-template-columns: 1fr; }
  .trio-card { min-height: 12rem; }
  .forces li { padding: var(--space-5); }
  .pull-quote { font-size: 1.1875rem; }

  .footer-brand { gap: var(--space-3); }
  .footer-logo { height: 2.5rem; }
  .footer-names b { font-size: .875rem; }
  .footer-names span { font-size: .625rem; }
  .footer-line { flex-wrap: nowrap; gap: var(--space-2); font-size: .6875rem; white-space: nowrap; }
  .fb-link img { width: 1rem; height: 1rem; }
  .footer-line--legal { flex-direction: column; align-items: flex-start; gap: var(--space-1); white-space: normal; }
  .sep-legal { display: none; }
  .legal { gap: var(--space-2); }
}
@media (max-width: 380px) {
  .footer-line { font-size: .625rem; gap: .375rem; }
}