/* =========================================================
   富宇首馥｜一頁式建案網站
   色彩取自夜景渲染天空色，香檳金點綴；Noto Serif TC + Cormorant Garamond
   ========================================================= */

:root {
    --ink: #0D111C;
    --night: #151B2C;
    --night-2: #1C2338;
    --night-rgb: 21, 27, 44;
    --gold: #C8A465;
    --gold-light: #E6D2A2;
    --gold-deep: #8A6B36;
    --gold-text: #7D6030;          /* 淺底小字用，對比 ≥ 4.5 */
    --gold-rgb: 200, 164, 101;
    --ivory: #F5F1E8;
    --paper: #ECE5D8;
    --seal: #A8262B;
    --text: #1E2330;
    --muted: #5E6470;
    --on-dark: #ECE6DA;
    --muted-dark: rgba(236, 230, 218, .7);

    --serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
    --latin: "Cormorant Garamond", "Noto Serif TC", Georgia, serif;

    --maxw: 1240px;
    --gutter: clamp(16px, 5vw, 64px);
    --sec-pad: clamp(84px, 11vw, 168px);
    --nav-h: 72px;
    --ease: cubic-bezier(.22, .8, .24, 1);

    --fs-h2: clamp(1.7rem, 1.15rem + 2.5vw, 3.4rem);
    --fs-h3: clamp(1.35rem, 1.1rem + 1.1vw, 2rem);
    --fs-lead: clamp(1rem, .92rem + .4vw, 1.25rem);
    --fs-body: clamp(.95rem, .9rem + .2vw, 1.0625rem);
}
@media (max-width: 767px) { :root { --nav-h: 62px; } }

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-h);
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}
body {
    margin: 0;
    font-family: var(--serif);
    font-size: var(--fs-body);
    font-weight: 400;
    line-height: 1.8;
    color: var(--on-dark);
    background: var(--night);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
@supports (overflow: clip) { body { overflow-x: clip; } }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, p, ol, ul, dl, dd, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
::selection { background: rgba(var(--gold-rgb), .35); color: inherit; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ico {
    width: 1em; height: 1em; flex-shrink: 0;
    fill: none; stroke: currentColor; stroke-width: 1.6;
    stroke-linecap: round; stroke-linejoin: round;
}
.sr-only {
    position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
    position: fixed; left: 12px; top: -60px; z-index: 300;
    padding: 10px 18px; background: var(--gold); color: var(--night);
    transition: top .2s;
}
.skip-link:focus { top: 12px; }

.container {
    position: relative;
    z-index: 1;
    width: min(var(--maxw), 100% - var(--gutter) * 2);
    margin-inline: auto;
}

/* ---------- sections ---------- */
.sec { position: relative; padding-block: var(--sec-pad); overflow: hidden; }
.sec--night { background: var(--night); color: var(--on-dark); --frame-bg: var(--night); --frame-line: rgba(var(--gold-rgb), .5); }
.sec--ivory { background: var(--ivory); color: var(--text); --frame-bg: var(--ivory); --frame-line: rgba(138, 107, 54, .45); }
.sec--paper { background: var(--paper); color: var(--text); --frame-bg: var(--paper); --frame-line: rgba(138, 107, 54, .45); }

.eyebrow {
    font-family: var(--latin);
    font-size: .8rem;
    font-weight: 500;
    letter-spacing: .38em;
    text-transform: uppercase;
    color: var(--gold);
}
.sec--ivory .eyebrow, .sec--paper .eyebrow { color: var(--gold-text); }

.sec-head { margin-bottom: clamp(40px, 6vw, 80px); }
.sec-head--center { max-width: 48rem; margin-inline: auto; text-align: center; }
.sec-title {
    margin: .55em 0 .45em;
    font-size: var(--fs-h2);
    font-weight: 600;
    line-height: 1.38;
    letter-spacing: .08em;
}
.sec-head--center .sec-title::after {
    content: "";
    display: block;
    width: 56px; height: 1px;
    margin: .55em auto 0;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.sec-lead {
    font-size: var(--fs-lead);
    letter-spacing: .16em;
    line-height: 1.9;
    color: var(--gold-light);
}
.sec--ivory .sec-lead, .sec--paper .sec-lead { color: var(--gold-deep); }
.sec-text {
    margin-top: 1.1em;
    line-height: 2.05;
    letter-spacing: .04em;
    color: var(--muted-dark);
}
.sec--ivory .sec-text, .sec--paper .sec-text { color: var(--muted); }
.sec-head--center .sec-text { margin-inline: auto; max-width: 40em; }
.sec-text--soft { font-style: normal; color: rgba(var(--gold-rgb), .85); }

.note {
    margin-top: clamp(28px, 4vw, 44px);
    font-size: .75rem;
    line-height: 1.8;
    letter-spacing: .08em;
    color: #8B8F98;
    text-align: center;
}
.note--dark { color: rgba(236, 230, 218, .45); }

/* 大型英文浮水印（視差水平位移） */
.watermark {
    position: absolute;
    left: 0; right: 0;
    top: clamp(28px, 5vw, 72px);
    display: flex;
    justify-content: center;
    font-family: var(--latin);
    font-size: clamp(4.2rem, 15vw, 15rem);
    font-weight: 500;
    line-height: 1;
    letter-spacing: .06em;
    white-space: nowrap;
    color: transparent;
    -webkit-text-stroke: 1px rgba(var(--gold-rgb), .15);
    pointer-events: none;
    user-select: none;
    z-index: 0;
}
.sec--ivory .watermark, .sec--paper .watermark { -webkit-text-stroke-color: rgba(138, 107, 54, .14); }

/* 裝飾金環 */
.orb {
    position: absolute;
    width: clamp(220px, 34vw, 460px);
    aspect-ratio: 1;
    border: 1px solid rgba(var(--gold-rgb), .2);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}
.orb::after {
    content: "";
    position: absolute;
    inset: 14%;
    border: 1px solid rgba(var(--gold-rgb), .12);
    border-radius: 50%;
}
.orb--a { right: -12%; top: 38%; }
.orb--b { left: -14%; top: 12%; }

/* 偏移金框 */
.frame { box-shadow: 18px 18px 0 -1px var(--frame-bg), 18px 18px 0 0 var(--frame-line); }
@media (max-width: 599px) { .frame { box-shadow: 10px 10px 0 -1px var(--frame-bg), 10px 10px 0 0 var(--frame-line); } }

/* 框內視差圖 */
[data-parallax-img] { position: relative; overflow: hidden; }
[data-parallax-img] > img {
    position: absolute;
    left: 0; top: -10%;
    width: 100%; height: 120%;
    object-fit: cover;
    will-change: transform;
}

/* ---------- buttons ---------- */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .7em;
    min-height: 52px;
    padding: 0 30px;
    border: 1px solid transparent;
    border-radius: 0;
    font-size: .95rem;
    font-weight: 500;
    letter-spacing: .28em;
    white-space: nowrap;
    overflow: hidden;
    transition: background-color .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease), transform .3s var(--ease);
}
.btn .ico { font-size: 1.05em; transition: transform .4s var(--ease); }
.btn:hover .ico { transform: translateX(3px); }
.btn:active { transform: scale(.98); }
.btn--gold {
    color: var(--night);
    background: linear-gradient(135deg, #E2C88F 0%, #C8A465 48%, #A9874B 100%);
    box-shadow: 0 14px 34px -16px rgba(var(--gold-rgb), .7);
}
.btn--gold::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .55) 50%, transparent 70%);
    transform: translateX(-120%);
    transition: transform .9s var(--ease);
}
.btn--gold:hover::after { transform: translateX(120%); }
.btn--ghost {
    color: var(--on-dark);
    border-color: rgba(236, 230, 218, .35);
    background: rgba(var(--night-rgb), .25);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    letter-spacing: .14em;
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-light); }
.btn--dark { color: var(--ivory); background: var(--night); letter-spacing: .2em; }
.btn--dark:hover { background: var(--ink); color: var(--gold-light); }
.btn--sm { min-height: 40px; padding: 0 18px; font-size: .85rem; letter-spacing: .2em; }
.btn--block { display: flex; width: 100%; }

/* =========================================================
   NAV
   ========================================================= */
.nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 120;
    height: calc(var(--nav-h) + env(safe-area-inset-top));
    padding: env(safe-area-inset-top) max(var(--gutter), env(safe-area-inset-right)) 0 max(var(--gutter), env(safe-area-inset-left));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    color: var(--on-dark);
    transition: background-color .5s var(--ease), box-shadow .5s var(--ease), transform .5s var(--ease);
}
.nav.is-scrolled {
    background: rgba(13, 17, 28, .84);
    -webkit-backdrop-filter: blur(14px) saturate(1.2);
    backdrop-filter: blur(14px) saturate(1.2);
    box-shadow: 0 1px 0 rgba(var(--gold-rgb), .16);
}
.nav__brand img { height: 42px; width: auto; transition: height .4s var(--ease); }
.nav.is-scrolled .nav__brand img { height: 36px; }
.nav__links { display: none; gap: clamp(14px, 1.6vw, 30px); font-size: .9rem; letter-spacing: .18em; }
.nav__links a { position: relative; padding: 6px 0; color: rgba(236, 230, 218, .82); transition: color .3s; }
.nav__links a::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0;
    height: 1px; background: var(--gold);
    transform: scaleX(0); transform-origin: center;
    transition: transform .4s var(--ease);
}
.nav__links a:hover, .nav__links a.is-active { color: var(--gold-light); }
.nav__links a.is-active::after, .nav__links a:hover::after { transform: scaleX(1); }
.nav__actions { display: flex; align-items: center; gap: 14px; }
.nav__tel { display: none; align-items: center; gap: 8px; font-family: var(--latin); font-size: 1.1rem; letter-spacing: .1em; color: var(--gold-light); }
.nav__burger {
    position: relative;
    width: 44px; height: 44px;
    margin-right: -10px;
    border: 0;
    background: none;
}
.nav__burger span {
    position: absolute; left: 11px; right: 11px;
    height: 1px; background: currentColor;
    transition: transform .45s var(--ease), top .45s var(--ease);
}
.nav__burger span:first-child { top: 17px; }
.nav__burger span:last-child { top: 26px; left: 17px; }
.menu-open .nav__burger span:first-child { top: 21px; transform: rotate(45deg); }
.menu-open .nav__burger span:last-child { top: 21px; left: 11px; transform: rotate(-45deg); }
@media (min-width: 1180px) {
    .nav__links { display: flex; }
    .nav__burger { display: none; }
}
@media (min-width: 1400px) { .nav__tel { display: inline-flex; } }
@media (max-width: 359px) {
    .nav__actions .btn--sm { padding: 0 12px; letter-spacing: .1em; }
    .nav__brand img { height: 34px; }
}

/* 行動選單 */
.menu {
    position: fixed;
    inset: 0;
    z-index: 110;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 40px;
    padding: calc(var(--nav-h) + 24px + env(safe-area-inset-top)) var(--gutter) calc(32px + env(safe-area-inset-bottom));
    background:
        radial-gradient(120% 80% at 100% 0%, rgba(var(--gold-rgb), .12), transparent 60%),
        rgba(13, 17, 28, .97);
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s var(--ease), visibility .5s;
    overflow-y: auto;
}
.menu-open .menu { opacity: 1; visibility: visible; }
.menu-open { overflow: hidden; }
.menu__links { display: grid; gap: 4px; }
.menu__links a {
    display: flex; align-items: baseline; gap: 18px;
    padding: 10px 0;
    font-size: clamp(1.3rem, 1.1rem + 1.6vw, 1.9rem);
    letter-spacing: .22em;
    border-bottom: 1px solid rgba(var(--gold-rgb), .12);
    opacity: 0; transform: translateY(16px);
    transition: opacity .5s var(--ease), transform .5s var(--ease), color .3s;
}
.menu__links a small { font-family: var(--latin); font-size: .85rem; letter-spacing: .1em; color: var(--gold); }
.menu__links a:hover { color: var(--gold-light); }
.menu-open .menu__links a { opacity: 1; transform: none; }
.menu-open .menu__links a:nth-child(2) { transition-delay: .04s; }
.menu-open .menu__links a:nth-child(3) { transition-delay: .08s; }
.menu-open .menu__links a:nth-child(4) { transition-delay: .12s; }
.menu-open .menu__links a:nth-child(5) { transition-delay: .16s; }
.menu-open .menu__links a:nth-child(6) { transition-delay: .2s; }
.menu-open .menu__links a:nth-child(7) { transition-delay: .24s; }
.menu-open .menu__links a:nth-child(8) { transition-delay: .28s; }
.menu__foot { font-size: .9rem; line-height: 1.9; letter-spacing: .1em; color: var(--muted-dark); }
.menu__tel { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 8px; font-family: var(--latin); font-size: 1.6rem; color: var(--gold-light); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
    position: relative;
    height: 100vh;
    height: 100svh;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    overflow: hidden;
    background: var(--night);
    color: var(--on-dark);
    isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__slide { position: absolute; inset: 0; opacity: 0; transition: opacity 2.4s ease; }
.hero__slide.is-active { opacity: 1; }
.hero__slide img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: 50% 28%;
    transform-origin: 55% 35%;
}
.hero__slide.is-active img, .hero__slide.is-leaving img { animation: kenburns 18s ease-out both; }
@keyframes kenburns {
    from { transform: scale(1.02) translate3d(0, 0, 0); }
    to   { transform: scale(1.14) translate3d(-1.2%, -1%, 0); }
}
.hero__shade {
    position: absolute; inset: 0; z-index: 1;
    background:
        linear-gradient(to bottom, rgba(13, 17, 28, .7) 0%, rgba(13, 17, 28, 0) 20%),
        linear-gradient(to top, var(--night) 0%, rgba(var(--night-rgb), .96) 30%, rgba(var(--night-rgb), .8) 44%, rgba(var(--night-rgb), .38) 60%, rgba(var(--night-rgb), 0) 76%),
        radial-gradient(120% 90% at 50% 40%, transparent 55%, rgba(13, 17, 28, .55) 100%);
}
.hero__dust { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; pointer-events: none; mix-blend-mode: screen; }
.hero__beam {
    position: absolute; inset: -30% -40%; z-index: 2;
    background: linear-gradient(112deg, transparent 42%, rgba(230, 210, 162, .07) 47%, rgba(230, 210, 162, .16) 50%, rgba(230, 210, 162, .07) 53%, transparent 58%);
    mix-blend-mode: screen;
    pointer-events: none;
    animation: beam 11s ease-in-out 2.2s infinite;
    transform: translate3d(-60%, 0, 0);
}
@keyframes beam {
    0%   { transform: translate3d(-60%, 0, 0); opacity: 0; }
    15%  { opacity: 1; }
    55%  { transform: translate3d(60%, 0, 0); opacity: 0; }
    100% { transform: translate3d(60%, 0, 0); opacity: 0; }
}

.hero__content {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 0 var(--gutter) calc(84px + env(safe-area-inset-bottom));
    text-align: center;
}
.hero__eyebrow, .hero__tagline, .hero__spec { text-shadow: 0 2px 14px rgba(0, 0, 0, .65); }
.hero__eyebrow {
    display: flex; align-items: center; gap: 14px;
    font-size: .78rem;
    letter-spacing: .46em;
    color: var(--gold-light);
}
.hero__eyebrow i { width: 5px; height: 5px; background: var(--gold); transform: rotate(45deg); }
.hero__logo { margin: clamp(14px, 2.4vh, 26px) 0 clamp(10px, 1.6vh, 18px); line-height: 0; }
.hero__logo img {
    width: min(58vw, 340px, 30svh * 1.55);
    height: auto;
    filter: drop-shadow(0 10px 28px rgba(0, 0, 0, .45));
}
.hero__tagline {
    font-size: clamp(.85rem, .78rem + .35vw, 1.05rem);
    letter-spacing: .5em;
    color: rgba(236, 230, 218, .88);
    padding-left: .5em;
}
.hero__rule {
    display: block;
    width: 1px; height: clamp(18px, 3.2vh, 44px);
    margin: clamp(10px, 1.8vh, 22px) auto;
    background: linear-gradient(var(--gold), transparent);
}
.hero__headline {
    display: flex; flex-wrap: wrap; justify-content: center; gap: .2em 1em;
    font-size: clamp(1.3rem, 1rem + 1.6vw, 2.35rem);
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: .16em;
    color: var(--gold-light);
    text-shadow: 0 4px 30px rgba(0, 0, 0, .5);
}
.hero__spec {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px 14px;
    margin-top: clamp(10px, 1.8vh, 18px);
    font-size: clamp(.85rem, .8rem + .3vw, 1rem);
    letter-spacing: .2em;
    color: rgba(236, 230, 218, .9);
}
.hero__spec b { font-family: var(--latin); font-size: 1.45em; font-weight: 500; letter-spacing: .04em; color: var(--gold-light); margin-right: .15em; }
.hero__spec i { width: 1px; height: 14px; background: rgba(var(--gold-rgb), .6); }
.hero__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: clamp(16px, 2.6vh, 32px); }
.hero__actions .btn { min-height: 50px; padding: 0 22px; letter-spacing: .18em; }
.hero__actions .btn--ghost { padding: 0 18px; letter-spacing: .08em; }
.hero__info { display: none; }
.hero__scroll {
    position: absolute; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom)); z-index: 3;
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    transform: translateX(-50%);
    font-family: var(--latin); font-size: .7rem; letter-spacing: .4em; color: rgba(236, 230, 218, .6);
    padding-left: .4em;
}
.hero__scroll i { position: relative; width: 1px; height: 40px; overflow: hidden; background: rgba(236, 230, 218, .18); }
.hero__scroll i::after {
    content: ""; position: absolute; left: 0; top: -100%; width: 1px; height: 100%;
    background: var(--gold);
    animation: scrollLine 2.2s var(--ease) infinite;
}
@keyframes scrollLine { to { top: 100%; } }

/* LOGO 流光 */
.logo-shine { position: relative; display: inline-block; }
.logo-shine__layer {
    position: absolute; inset: 0; pointer-events: none;
    -webkit-mask: url("../img/logo-light.webp") center / contain no-repeat;
            mask: url("../img/logo-light.webp") center / contain no-repeat;
    background: linear-gradient(-60deg, transparent 38%, rgba(255, 255, 255, .15) 44%, rgba(255, 246, 220, .9) 50%, rgba(255, 255, 255, .15) 56%, transparent 62%);
    background-size: 260% 100%;
    background-position: 150% 0;
    animation: logoSweep 9s ease-in-out 2.6s infinite;
}
@keyframes logoSweep {
    0%        { background-position: 150% 0; }
    35%, 100% { background-position: -50% 0; }
}

/* Hero 進場（純 CSS，不依賴 JS 套件） */
.motion [data-intro] { opacity: 0; animation: introUp 1.2s var(--ease) forwards; animation-delay: calc(.35s + var(--i, 0) * .14s); }
.motion .hero__rule[data-intro] { animation-name: introLine; }
@keyframes introUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
@keyframes introLine { from { opacity: 0; transform: scaleY(0); transform-origin: top; } to { opacity: 1; transform: scaleY(1); transform-origin: top; } }
.motion .hero__media { animation: heroIn 2.2s ease both; }
@keyframes heroIn { from { opacity: 0; } to { opacity: 1; } }

/* 桌機／橫向：左文右樓 */
@media (min-width: 1024px) and (min-aspect-ratio: 1/1), (orientation: landscape) and (max-height: 560px) {
    .hero { justify-content: center; }
    .hero__media { left: auto; width: 64%; }
    .hero__slide img { object-position: 50% 22%; }
    .hero__shade {
        background:
            linear-gradient(to bottom, rgba(13, 17, 28, .65) 0%, rgba(13, 17, 28, 0) 18%),
            linear-gradient(to top, var(--night) 0%, rgba(var(--night-rgb), 0) 26%),
            linear-gradient(90deg, var(--night) 0%, var(--night) 37%, rgba(var(--night-rgb), .78) 45%, rgba(var(--night-rgb), .25) 56%, rgba(var(--night-rgb), 0) 66%);
    }
    .hero__content {
        align-items: flex-start;
        width: min(46%, 620px);
        margin-left: max(var(--gutter), (100vw - var(--maxw)) / 2);
        padding: var(--nav-h) 0 0;
        text-align: left;
    }
    .hero__logo img { width: min(25vw, 390px, 40vh * 1.55); }
    .hero__tagline { padding-left: 0; }
    .hero__rule { width: 72px; height: 1px; margin: clamp(16px, 3vh, 30px) 0; background: linear-gradient(90deg, var(--gold), transparent); }
    .motion .hero__rule[data-intro] { animation-name: introLineX; }
    .hero__headline { justify-content: flex-start; flex-direction: column; gap: 0; }
    .hero__spec, .hero__actions { justify-content: flex-start; }
    .hero__actions { gap: 12px; }
    .hero__actions .btn { min-height: 52px; padding: 0 30px; letter-spacing: .28em; }
    .hero__actions .btn--ghost { letter-spacing: .14em; }
    .hero__info {
        position: absolute; z-index: 3;
        left: max(var(--gutter), (100vw - var(--maxw)) / 2); bottom: 34px;
        display: flex; align-items: center; gap: 10px;
        font-size: .82rem; letter-spacing: .16em; color: rgba(236, 230, 218, .62);
    }
    .hero__info .ico { color: var(--gold); }
    .hero__info i { width: 1px; height: 12px; margin: 0 6px; background: rgba(var(--gold-rgb), .5); }
    .hero__scroll { left: auto; right: var(--gutter); transform: none; }
}
/* 矮桌機（如 1280×720、1366×768）：底部會館資訊與按鈕重疊時隱藏，資訊另見賞屋資訊區 */
@media (max-height: 819px) { .hero__info { display: none !important; } }
@keyframes introLineX { from { opacity: 0; transform: scaleX(0); transform-origin: left; } to { opacity: 1; transform: scaleX(1); transform-origin: left; } }

/* 手機橫向：壓縮 */
@media (orientation: landscape) and (max-height: 560px) {
    .hero { min-height: 340px; }
    .hero__content { width: 56%; padding-top: calc(var(--nav-h) - 6px); }
    .hero__eyebrow, .hero__rule { display: none; }
    .hero__logo { margin: 0 0 4px; }
    .hero__logo img { width: min(26vw, 30vh * 1.55); }
    .hero__tagline { font-size: .78rem; letter-spacing: .3em; }
    .hero__headline { flex-direction: row; gap: 0 .8em; margin-top: 8px; font-size: 1rem; }
    .hero__spec { margin-top: 4px; font-size: .8rem; }
    .hero__actions { margin-top: 12px; }
    .hero__actions .btn { min-height: 42px; padding: 0 18px; }
    .hero__info, .hero__scroll { display: none; }
}
@media (max-width: 389px) {
    .hero__actions .btn { padding: 0 16px; letter-spacing: .12em; }
    .hero__actions .btn--ghost { padding: 0 14px; letter-spacing: .04em; }
}
/* 極窄（折疊機外螢幕） */
@media (max-width: 359px) {
    .hero__eyebrow { letter-spacing: .3em; font-size: .72rem; }
    .hero__tagline { letter-spacing: .3em; }
    .hero__headline { letter-spacing: .1em; }
    .hero__spec { gap: 2px 16px; }
    .hero__spec i { display: none; }
    .hero__actions .btn { padding: 0 20px; letter-spacing: .14em; }
}
/* 矮螢幕直式（例如瀏覽器工具列佔空間的小手機） */
@media (max-height: 700px) and (max-aspect-ratio: 1/1) {
    .hero__content { padding-bottom: calc(70px + env(safe-area-inset-bottom)); }
    .hero__scroll i { height: 26px; }
}
/* 雙螢幕折疊機跨屏：文字放左半屏 */
@media (horizontal-viewport-segments: 2) {
    .hero__content { width: env(viewport-segment-width 0 0); margin-left: 0; padding-inline: var(--gutter); }
    .hero__media { width: env(viewport-segment-width 1 0); }
}

/* =========================================================
   LOCATION 空拍
   ========================================================= */
.location { padding-bottom: clamp(72px, 9vw, 140px); }
.aerial { position: relative; margin-bottom: clamp(56px, 7vw, 96px); }
.aerial__frame { position: relative; overflow: hidden; background: var(--ink); }
.aerial__inner { position: relative; width: 100%; aspect-ratio: 2463 / 1024; }
.aerial__inner img { width: 100%; height: 100%; object-fit: cover; user-select: none; -webkit-user-drag: none; }
.aerial__pulse { position: absolute; left: 57.4%; top: 66%; width: 0; height: 0; pointer-events: none; }
.aerial__pulse i {
    position: absolute;
    width: clamp(46px, 6vw, 110px); aspect-ratio: 1;
    transform: translate(-50%, -50%) scale(.4);
    border: 1px solid rgba(255, 226, 160, .9);
    border-radius: 50%;
    animation: pulse 3.2s ease-out infinite;
}
.aerial__pulse i:last-child { animation-delay: 1.6s; }
@keyframes pulse {
    0%   { transform: translate(-50%, -50%) scale(.4); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1.6); opacity: 0; }
}
.aerial__hint { display: none; }
.aerial__note { margin-top: 12px; padding-inline: var(--gutter); font-size: .72rem; letter-spacing: .08em; color: rgba(236, 230, 218, .42); text-align: right; }
@media (max-width: 767px) {
    .aerial__frame {
        overflow-x: auto;
        overflow-y: hidden;
        overscroll-behavior-x: contain;
        scrollbar-width: thin;
        scrollbar-color: rgba(var(--gold-rgb), .4) transparent;
        -webkit-overflow-scrolling: touch;
    }
    .aerial__inner { --h: min(56svh, 460px); width: calc(var(--h) * 2463 / 1024); height: var(--h); aspect-ratio: auto; }
    .aerial__hint {
        position: absolute; left: 50%; bottom: 46px;
        display: flex; align-items: center; gap: 12px;
        padding: 8px 18px;
        transform: translateX(-50%);
        border-radius: 999px;
        background: rgba(13, 17, 28, .66);
        -webkit-backdrop-filter: blur(4px);
        backdrop-filter: blur(4px);
        font-size: .75rem; letter-spacing: .3em; color: #fff;
        pointer-events: none;
        animation: hintFade 4s ease-in-out infinite;
        transition: opacity .4s;
    }
    .aerial.is-touched .aerial__hint { opacity: 0; animation: none; }
    .aerial__note { text-align: center; }
}
@keyframes hintFade { 0%, 100% { opacity: .2; } 30%, 70% { opacity: 1; } }

.pillars { display: grid; gap: clamp(32px, 4vw, 56px); counter-reset: p; }
.pillar { position: relative; padding-top: 28px; border-top: 1px solid rgba(var(--gold-rgb), .28); }
.pillar__no { position: absolute; top: -.75em; left: 0; padding-right: 14px; background: var(--night); font-family: var(--latin); font-style: italic; font-size: 1.3rem; color: var(--gold); }
.pillar__title { display: flex; align-items: baseline; gap: 14px; margin-bottom: 12px; font-size: var(--fs-h3); font-weight: 600; letter-spacing: .2em; }
.pillar__title small { font-family: var(--latin); font-size: .78rem; font-weight: 500; letter-spacing: .3em; color: var(--gold); }
.pillar p { line-height: 2; color: var(--muted-dark); }
@media (min-width: 768px) { .pillars { grid-template-columns: repeat(3, 1fr); } }

.coords {
    margin-top: clamp(56px, 7vw, 96px);
    padding: clamp(28px, 4vw, 48px);
    border: 1px solid rgba(var(--gold-rgb), .2);
    background: linear-gradient(135deg, rgba(var(--gold-rgb), .06), transparent 60%);
}
.coords__title { display: flex; align-items: baseline; gap: 14px; margin-bottom: 24px; font-size: 1.15rem; letter-spacing: .3em; }
.coords__title small { font-family: var(--latin); font-size: .75rem; letter-spacing: .3em; color: var(--gold); }
.coords__list { display: grid; gap: 22px 32px; }
.coords__list dt { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; font-weight: 600; letter-spacing: .2em; color: var(--gold-light); }
.coords__list dt small { font-family: var(--latin); font-weight: 500; font-size: .7rem; letter-spacing: .26em; color: rgba(var(--gold-rgb), .75); }
.coords__list dd { display: inline-block; white-space: nowrap; font-size: .92rem; letter-spacing: .08em; color: var(--muted-dark); }
.coords__list dd + dd::before { content: "・"; margin: 0 .2em; color: rgba(var(--gold-rgb), .6); }
@media (min-width: 560px) { .coords__list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .coords__list { grid-template-columns: .8fr 1.2fr 1.4fr 1fr; } }

/* =========================================================
   LIFESTYLE
   ========================================================= */
.feature { display: grid; gap: clamp(36px, 5vw, 72px); align-items: center; }
.feature + .feature { margin-top: clamp(72px, 10vw, 150px); }
.feature__media { aspect-ratio: 4 / 3; background: var(--paper); }
.feature__media figcaption {
    position: absolute; z-index: 2; left: 0; right: 0; bottom: 0;
    padding: 40px 18px 14px;
    background: linear-gradient(to top, rgba(13, 17, 28, .6), transparent);
    font-size: .72rem; letter-spacing: .2em; color: rgba(255, 255, 255, .85);
}
.feature__no { font-family: var(--latin); font-style: italic; font-size: clamp(3rem, 2rem + 3vw, 5rem); line-height: 1; color: rgba(138, 107, 54, .28); margin-bottom: 4px; }
.feature__title { margin: .6em 0 .8em; font-size: var(--fs-h3); font-weight: 600; line-height: 1.55; letter-spacing: .12em; }
.feature__body > p:not(.feature__no):not(.eyebrow) { line-height: 2.05; color: var(--muted); }
.feature__body > p + p { margin-top: .9em; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.chips li {
    padding: 5px 14px;
    border: 1px solid rgba(138, 107, 54, .35);
    border-radius: 999px;
    font-size: .82rem;
    letter-spacing: .1em;
    color: var(--gold-text);
    background: rgba(255, 255, 255, .5);
}
@media (min-width: 900px) {
    .feature { grid-template-columns: repeat(12, 1fr); }
    .feature__media { grid-column: 1 / span 7; aspect-ratio: 5 / 4; }
    .feature__body { grid-column: 9 / span 4; }
    .feature--rev .feature__media { grid-column: 6 / span 7; order: 2; }
    .feature--rev .feature__body { grid-column: 1 / span 4; }
    .feature--rev .frame { box-shadow: -18px 18px 0 -1px var(--frame-bg), -18px 18px 0 0 var(--frame-line); }
}
@media (min-width: 900px) and (max-width: 1179px) {
    .feature__media { grid-column: 1 / span 6; }
    .feature__body { grid-column: 7 / span 6; }
    .feature--rev .feature__media { grid-column: 7 / span 6; }
    .feature--rev .feature__body { grid-column: 1 / span 6; }
}

/* =========================================================
   ARCHITECTURE 晝夜對照
   ========================================================= */
.arch__grid { display: grid; gap: clamp(40px, 6vw, 80px); align-items: center; }
.arch__text .sec-title { margin-top: .4em; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); margin: 32px 0 30px; border-block: 1px solid rgba(var(--gold-rgb), .22); }
.stats div { padding: 18px 8px; text-align: center; }
.stats div + div { border-left: 1px solid rgba(var(--gold-rgb), .22); }
.stats dt { font-size: .78rem; letter-spacing: .2em; color: var(--muted-dark); }
.stats dd { margin-top: 4px; font-size: .9rem; letter-spacing: .1em; }
.stats b { font-family: var(--latin); font-size: clamp(1.7rem, 1.3rem + 1.4vw, 2.5rem); font-weight: 500; line-height: 1.1; color: var(--gold-light); margin-right: .12em; }
.seg { display: inline-flex; border: 1px solid rgba(var(--gold-rgb), .4); }
.seg__btn {
    min-height: 46px; padding: 0 22px;
    border: 0; background: transparent;
    font-size: .9rem; letter-spacing: .22em; color: var(--muted-dark);
    transition: background-color .4s var(--ease), color .4s var(--ease);
}
.seg__btn + .seg__btn { border-left: 1px solid rgba(var(--gold-rgb), .4); }
.seg__btn:hover { color: var(--gold-light); }
.seg__btn.is-active { background: var(--gold); color: var(--night); }

.arch__viewer { min-width: 0; }
.compare {
    --pos: 50%;
    position: relative;
    aspect-ratio: var(--ar);
    width: min(100%, calc(78svh * var(--arn, 1)));
    margin-inline: auto;
    overflow: hidden;
    background: var(--ink);
    cursor: ew-resize;
    touch-action: pan-y;
    user-select: none;
    -webkit-user-select: none;
    box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .8);
}
.compare[hidden] { display: none; }
#cmp-south { --arn: .973; }
#cmp-north { --arn: 1.224; }
.compare__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; -webkit-user-drag: none; }
.compare__night { position: absolute; inset: 0; clip-path: inset(0 0 0 var(--pos)); }
.compare__line {
    position: absolute; top: 0; bottom: 0; left: var(--pos);
    width: 1px; margin-left: -.5px;
    background: linear-gradient(transparent, var(--gold-light) 12%, var(--gold-light) 88%, transparent);
    box-shadow: 0 0 18px rgba(var(--gold-rgb), .7);
}
.compare__knob {
    position: absolute; top: 50%; left: 50%;
    display: flex; align-items: center; justify-content: center;
    width: 54px; height: 54px;
    transform: translate(-50%, -50%);
    border: 1px solid var(--gold-light);
    border-radius: 50%;
    background: rgba(13, 17, 28, .55);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    color: var(--gold-light);
    font-size: 15px;
    transition: transform .3s var(--ease), background-color .3s;
}
.compare.is-dragging .compare__knob, .compare__knob:focus-visible { transform: translate(-50%, -50%) scale(1.1); background: rgba(var(--gold-rgb), .35); }
.compare__tag {
    position: absolute; top: 16px; z-index: 2;
    padding: 6px 12px;
    font-family: var(--latin); font-size: .75rem; letter-spacing: .26em;
    background: rgba(13, 17, 28, .5);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    color: #fff;
    pointer-events: none;
}
.compare__tag--day { left: 16px; }
.compare__tag--night { right: 16px; }
.arch__hint { margin-top: 18px; text-align: center; font-size: .85rem; letter-spacing: .2em; color: var(--gold); }
.arch__viewer .note { margin-top: 8px; }
@media (min-width: 1024px) {
    .arch__grid { grid-template-columns: 5fr 7fr; }
    .compare { width: min(100%, calc(80svh * var(--arn, 1))); }
}

/* =========================================================
   LOBBY
   ========================================================= */
.lobby__head { margin-bottom: clamp(32px, 4vw, 56px); }
.lobby__media {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    max-height: 86svh;
    padding: 0; border: 0;
    background: var(--paper);
    cursor: zoom-in;
}
.zoom-badge {
    position: absolute; z-index: 2; right: var(--gutter); bottom: 20px;
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 16px;
    font-size: .78rem; letter-spacing: .2em; color: var(--night);
    background: rgba(245, 241, 232, .88);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    transition: background-color .3s;
}
.lobby__media:hover .zoom-badge { background: var(--gold-light); }
.lobby__body { display: grid; gap: 28px; margin-top: clamp(48px, 6vw, 88px); }
.vlabel { display: none; }
.lobby__cols { display: grid; gap: 1.4em; }
.lobby__cols p { line-height: 2.25; letter-spacing: .08em; color: var(--muted); }
.materials { display: flex; flex-wrap: wrap; gap: clamp(20px, 4vw, 56px); margin-top: clamp(28px, 4vw, 48px); }
.materials li { display: flex; align-items: center; gap: 16px; }
.materials b {
    display: grid; place-items: center;
    width: 64px; height: 64px;
    border: 1px solid rgba(138, 107, 54, .45);
    border-radius: 50%;
    font-size: 1.6rem; font-weight: 600; color: var(--gold-deep);
}
.materials span { display: grid; font-size: 1.05rem; letter-spacing: .24em; }
.materials small { font-family: var(--latin); font-size: .72rem; letter-spacing: .3em; color: var(--gold-text); }
.lobby .note { text-align: left; }
.lobby__media > img { object-position: 50% 18%; }
@media (min-width: 768px) { .lobby__media { aspect-ratio: 16 / 9; } }
@media (min-width: 1024px) {
    .lobby__media { aspect-ratio: 2 / 1; }
    .lobby__body { grid-template-columns: 72px 1fr; column-gap: 48px; }
    .vlabel {
        display: block; grid-row: span 3;
        writing-mode: vertical-rl;
        font-size: 1.15rem; letter-spacing: .7em; color: var(--gold-deep);
        padding-top: 6px;
        border-right: 1px solid rgba(138, 107, 54, .3);
    }
    .lobby__cols { grid-template-columns: 1fr 1fr; column-gap: 72px; }
}
@media (max-width: 599px) { .lobby__cols br { display: none; } }

/* =========================================================
   RESIDENCE 樣品屋
   ========================================================= */
.residence__head { display: grid; gap: 18px; }
.residence__head .sec-lead { color: var(--on-dark); letter-spacing: .1em; }
@media (min-width: 1024px) {
    .residence__head { grid-template-columns: 1fr 1fr; gap: 72px; align-items: end; }
}
.gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 44vw;
    grid-auto-flow: dense;
    gap: 8px;
}
.tile {
    position: relative;
    display: block;
    overflow: hidden;
    padding: 0; border: 0;
    background: var(--ink);
    color: #fff;
    text-align: left;
    cursor: zoom-in;
}
.tile--l, .tile--m { grid-column: span 2; }
.tile--m.tile--half { grid-column: span 1; }
.tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease), filter .8s; }
.tile:hover img { transform: scale(1.06); }
.tile::after {
    content: ""; position: absolute; inset: 0;
    border: 1px solid rgba(var(--gold-rgb), 0);
    transition: border-color .5s, inset .5s var(--ease);
    pointer-events: none;
}
.tile:hover::after { inset: 10px; border-color: rgba(var(--gold-rgb), .7); }
.tile__cap {
    position: absolute; left: 0; right: 0; bottom: 0;
    display: flex; align-items: baseline; gap: 10px;
    padding: 44px 16px 12px;
    background: linear-gradient(to top, rgba(13, 17, 28, .88), rgba(13, 17, 28, .4) 55%, transparent);
}
.tile__cap b { font-size: 1rem; font-weight: 500; letter-spacing: .22em; }
.tile__cap small { font-family: var(--latin); font-size: .68rem; letter-spacing: .22em; color: var(--gold-light); }
.tile--cta {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    border: 1px solid rgba(var(--gold-rgb), .35);
    background:
        radial-gradient(90% 120% at 100% 0%, rgba(var(--gold-rgb), .2), transparent 60%),
        linear-gradient(135deg, var(--night-2), var(--ink));
}
.tile__cta-eyebrow { font-family: var(--latin); font-size: .72rem; letter-spacing: .36em; color: var(--gold); }
.tile__cta-title { font-size: clamp(1.15rem, 1rem + .8vw, 1.6rem); line-height: 1.6; letter-spacing: .16em; }
.tile__cta-btn { display: inline-flex; align-items: center; gap: 8px; margin-top: 4px; padding-bottom: 4px; border-bottom: 1px solid var(--gold); font-size: .9rem; letter-spacing: .3em; color: var(--gold-light); }
.tile--cta:hover .tile__cta-btn .ico { transform: translateX(4px); }
.tile__cta-btn .ico { transition: transform .4s var(--ease); }
@media (max-width: 599px) {
    .tile__cap { padding: 28px 12px 10px; }
    .tile__cap small { display: none; }
}
@media (min-width: 600px) {
    .gallery { grid-template-columns: repeat(6, 1fr); grid-auto-rows: clamp(150px, 19vw, 300px); gap: 12px; }
    .tile--s, .tile--m.tile--half { grid-column: span 2; }
    .tile--m, .tile--m.tile--half { grid-column: span 3; }
    .tile--l { grid-column: span 4; }
}

/* =========================================================
   PLANS 平面圖
   ========================================================= */
.plans__tabs {
    display: flex;
    gap: 6px;
    margin: 0 calc(var(--gutter) * -1) 22px;
    padding: 0 var(--gutter) 4px;
    overflow-x: auto;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
}
.plans__tabs::-webkit-scrollbar { display: none; }
.plans__tab {
    flex: 0 0 auto;
    min-height: 44px;
    padding: 0 20px;
    border: 1px solid rgba(138, 107, 54, .3);
    background: transparent;
    font-size: .92rem;
    letter-spacing: .16em;
    color: var(--muted);
    scroll-snap-align: start;
    transition: background-color .35s var(--ease), color .35s var(--ease), border-color .35s;
}
.plans__tab:hover { color: var(--gold-text); border-color: var(--gold-deep); }
.plans__tab.is-active { background: var(--night); border-color: var(--night); color: var(--gold-light); }
@media (min-width: 768px) { .plans__tabs { justify-content: center; margin-inline: 0; padding-inline: 0; } }

.plans__stage { position: relative; max-width: min(100%, 1040px, (100svh - 250px) * 1.432); margin-inline: auto; }
.plans__panes {
    position: relative;
    background: #fff;
    border: 1px solid rgba(138, 107, 54, .2);
    box-shadow: 0 30px 70px -40px rgba(21, 27, 44, .45);
}
.plans__pane { display: block; width: 100%; padding: 0; border: 0; background: #fff; cursor: zoom-in; }
.plans__pane[hidden] { display: none; }
.plans__pane img { width: 100%; height: auto; aspect-ratio: 1080 / 754; object-fit: contain; }
.plans__pane.is-swap img { animation: fadeIn .5s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.plans__nav {
    position: absolute; top: 50%; z-index: 2;
    display: grid; place-items: center;
    width: 44px; height: 44px;
    transform: translateY(-50%);
    border: 1px solid rgba(138, 107, 54, .35);
    border-radius: 50%;
    background: rgba(255, 255, 255, .92);
    color: var(--night);
    font-size: 18px;
    transition: background-color .3s, color .3s;
}
.plans__nav:hover { background: var(--night); color: var(--gold-light); }
.plans__nav--prev { left: 8px; }
.plans__nav--next { right: 8px; }
@media (min-width: 1180px) {
    .plans__nav { width: 54px; height: 54px; }
    .plans__nav--prev { left: -78px; }
    .plans__nav--next { right: -78px; }
}
.plans__hint { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 18px; font-size: .85rem; letter-spacing: .16em; color: var(--gold-text); }

/* =========================================================
   RESERVE 預約
   ========================================================= */
.reserve { isolation: isolate; }
.reserve__bg { position: absolute; inset: 0; z-index: 0; }
.reserve__bg img { opacity: .2; }
.reserve__bg::after {
    content: ""; position: absolute; inset: 0;
    background:
        linear-gradient(90deg, var(--night) 0%, rgba(var(--night-rgb), .7) 50%, var(--night) 100%),
        linear-gradient(to bottom, var(--night), transparent 25%, transparent 75%, var(--night));
}
.reserve__grid { display: grid; gap: clamp(40px, 6vw, 80px); align-items: start; }
.reserve__intro .sec-title { margin-top: .4em; }
.reserve__tel { display: inline-grid; gap: 2px; margin-top: 34px; padding: 18px 26px; border: 1px solid rgba(var(--gold-rgb), .35); transition: border-color .3s, background-color .3s; }
.reserve__tel:hover { border-color: var(--gold); background: rgba(var(--gold-rgb), .08); }
.reserve__tel small { font-size: .78rem; letter-spacing: .3em; color: var(--muted-dark); }
.reserve__tel span { display: inline-flex; align-items: center; gap: 12px; font-family: var(--latin); font-size: clamp(1.6rem, 1.3rem + 1vw, 2.1rem); font-weight: 500; letter-spacing: .08em; color: var(--gold-light); }
.reserve__tel .ico { font-size: .8em; }

.form {
    padding: clamp(24px, 4.5vw, 52px);
    border: 1px solid rgba(var(--gold-rgb), .24);
    background: linear-gradient(160deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}
.field { margin: 0 0 26px; padding: 0; border: 0; min-width: 0; }
.field label, .field legend { display: block; margin-bottom: 8px; padding: 0; font-size: .85rem; letter-spacing: .22em; color: var(--gold-light); }
.field em { margin-left: 4px; font-style: normal; color: #E07A7E; }
.field input, .field textarea {
    display: block;
    width: 100%;
    padding: 12px 2px;
    border: 0;
    border-bottom: 1px solid rgba(236, 230, 218, .25);
    border-radius: 0;
    background: transparent;
    font-size: 16px;               /* ≥16px 避免 iOS 自動放大 */
    letter-spacing: .06em;
    color: var(--on-dark);
    transition: border-color .3s;
    -webkit-appearance: none;
    appearance: none;
}
.field textarea { resize: vertical; min-height: 92px; line-height: 1.7; }
.field input::placeholder, .field textarea::placeholder { color: rgba(236, 230, 218, .32); }
.field input:focus, .field textarea:focus { outline: none; border-bottom-color: var(--gold); }
.field.is-invalid input { border-bottom-color: #E07A7E; }
.field__err { min-height: 1.2em; margin-top: 6px; font-size: .78rem; letter-spacing: .08em; color: #F0A6A9; }
.choices { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 6px; }
.choice { position: relative; display: block; margin: 0 !important; letter-spacing: 0 !important; }
.choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choice span {
    display: flex; align-items: center; justify-content: center;
    min-height: 46px;
    padding: 6px 8px;
    border: 1px solid rgba(236, 230, 218, .2);
    font-size: .88rem;
    letter-spacing: .06em;
    color: var(--muted-dark);
    text-align: center;
    cursor: pointer;
    transition: border-color .3s, background-color .3s, color .3s;
}
.choice:hover span { border-color: rgba(var(--gold-rgb), .6); }
.choice input:checked + span { border-color: var(--gold); background: rgba(var(--gold-rgb), .16); color: var(--gold-light); }
.choice input:focus-visible + span { outline: 2px solid var(--gold); outline-offset: 2px; }
@media (min-width: 600px) { .choices { grid-template-columns: repeat(3, 1fr); } }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__privacy { margin: 4px 0 22px; font-size: .75rem; line-height: 1.8; letter-spacing: .04em; color: rgba(236, 230, 218, .5); }
.form .btn[disabled] { opacity: .65; cursor: progress; }
.form__status { min-height: 1.5em; margin-top: 14px; font-size: .88rem; line-height: 1.7; letter-spacing: .06em; text-align: center; color: #F0A6A9; }
.form__status a { color: var(--gold-light); text-decoration: underline; text-underline-offset: 3px; }
@media (min-width: 1024px) {
    .reserve__grid { grid-template-columns: 5fr 7fr; }
    .reserve__intro { position: sticky; top: calc(var(--nav-h) + 40px); }
}

/* =========================================================
   VISIT 賞屋資訊與地圖
   ========================================================= */
.visit__info { display: grid; gap: 12px; margin-bottom: clamp(40px, 5vw, 64px); }
.visit__info li {
    display: grid; justify-items: center; gap: 4px;
    padding: 28px 18px;
    text-align: center;
    background: #fff;
    border: 1px solid rgba(138, 107, 54, .18);
}
.visit__info .ico { font-size: 22px; margin-bottom: 6px; color: var(--gold-deep); }
.visit__info small { font-size: .78rem; letter-spacing: .3em; color: var(--gold-text); }
.visit__info span, .visit__info a { font-size: 1.15rem; font-weight: 500; letter-spacing: .1em; }
.visit__info a { font-family: var(--latin); font-size: 1.5rem; color: var(--night); }
.visit__info a:hover { color: var(--gold-deep); }
.visit__info em { font-style: normal; font-size: .82rem; letter-spacing: .1em; color: var(--muted); }
@media (min-width: 768px) { .visit__info { grid-template-columns: repeat(3, 1fr); } }

.maps { display: grid; gap: clamp(24px, 3vw, 36px); }
.map-card { display: flex; flex-direction: column; background: #fff; border: 1px solid rgba(138, 107, 54, .18); box-shadow: 0 24px 60px -40px rgba(21, 27, 44, .5); }
.map-card__head { padding: 24px 24px 18px; }
.map-card__tag { display: inline-flex; align-items: center; gap: 8px; font-family: var(--latin); font-size: .75rem; letter-spacing: .3em; color: var(--gold-text); }
.map-card__tag i { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgba(var(--gold-rgb), .2); }
.map-card__tag--site i { background: var(--seal); box-shadow: 0 0 0 4px rgba(168, 38, 43, .18); }
.map-card__head h3 { margin: 6px 0 2px; font-size: 1.35rem; font-weight: 600; letter-spacing: .2em; }
.map-card__head p { font-size: .95rem; letter-spacing: .08em; color: var(--muted); }
.map-card__map { position: relative; aspect-ratio: 4 / 3; background: var(--paper); }
.map-card__map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: grayscale(.3) sepia(.08) contrast(1.02); transition: filter .6s; }
.map-card:hover .map-card__map iframe { filter: none; }
.map-card__label {
    position: absolute; right: 12px; top: 12px; z-index: 2;
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 14px;
    font-size: .82rem; letter-spacing: .14em; color: var(--gold-light);
    background: var(--night);
    box-shadow: 0 8px 20px -8px rgba(0, 0, 0, .5);
    pointer-events: none;
}
.map-card__label--site { background: var(--seal); color: #fff; }
.map-card .btn { min-height: 56px; }
@media (min-width: 900px) {
    .maps { grid-template-columns: 1fr 1fr; }
    .map-card__map { aspect-ratio: 16 / 11; }
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer { padding: clamp(64px, 8vw, 100px) 0 calc(36px + env(safe-area-inset-bottom)); background: var(--ink); color: var(--muted-dark); text-align: center; }
.footer__logo { width: 150px; margin: 0 auto 32px; opacity: .92; }
.footer__meta { display: grid; gap: 10px 32px; justify-content: center; margin-bottom: 28px; font-size: .9rem; letter-spacing: .1em; }
.footer__meta div { display: flex; gap: 14px; justify-content: center; }
.footer__meta dt { color: var(--gold); }
.footer__meta a:hover { color: var(--gold-light); }
@media (min-width: 768px) { .footer__meta { grid-template-columns: repeat(2, auto); } }
@media (min-width: 1180px) { .footer__meta { grid-template-columns: repeat(4, auto); } }
.footer__legal { max-width: 52em; margin: 0 auto 36px; font-size: .74rem; line-height: 1.9; letter-spacing: .06em; color: rgba(236, 230, 218, .42); }
.footer__copy { display: grid; justify-items: center; gap: 14px; padding-top: 26px; border-top: 1px solid rgba(var(--gold-rgb), .12); font-size: .74rem; letter-spacing: .1em; color: rgba(236, 230, 218, .45); }
.footer__credit { display: inline-flex; align-items: center; gap: 10px; padding: 7px 18px; border: 1px solid rgba(var(--gold-rgb), .2); border-radius: 999px; transition: border-color .3s, background-color .3s; }
.footer__credit span { color: var(--gold); text-decoration: underline; text-decoration-color: rgba(var(--gold-rgb), .35); text-underline-offset: 3px; }
.footer__credit:hover { border-color: rgba(var(--gold-rgb), .5); background: rgba(var(--gold-rgb), .06); }

/* =========================================================
   手機快捷列
   ========================================================= */
.dock {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 100;
    display: grid; grid-template-columns: 1fr 1.3fr;
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(13, 17, 28, .94);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: 0 -1px 0 rgba(var(--gold-rgb), .22);
    transform: translateY(110%);
    transition: transform .5s var(--ease);
}
.dock.is-visible { transform: none; }
.dock a { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 58px; font-size: .95rem; letter-spacing: .2em; }
.dock__tel { color: var(--gold-light); }
.dock__cta { color: var(--night); background: linear-gradient(135deg, #E2C88F, #C8A465 55%, #A9874B); font-weight: 500; }
@media (min-width: 1024px) { .dock { display: none; } }
@media (max-width: 1023px) { .footer { padding-bottom: calc(96px + env(safe-area-inset-bottom)); } }

/* =========================================================
   捲動進場
   ========================================================= */
.reveal-ready [data-reveal] {
    opacity: 0;
    transform: translate3d(0, 36px, 0);
    transition: opacity 1.1s var(--ease), transform 1.2s var(--ease);
    transition-delay: calc(var(--d, 0) * .12s);
}
.reveal-ready [data-reveal].is-in { opacity: 1; transform: none; }

/* =========================================================
   燈箱（移植自 fuyu650，改為品牌色）
   ========================================================= */
.lb { position: fixed; inset: 0; z-index: 200; opacity: 0; visibility: hidden; transition: opacity .35s ease, visibility .35s; }
.lb.is-open { opacity: 1; visibility: visible; }
.lb__backdrop { position: absolute; inset: 0; background: rgba(10, 13, 22, .96); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.lb__stage {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    padding: calc(70px + env(safe-area-inset-top)) 12px calc(140px + env(safe-area-inset-bottom));
    overflow: hidden;
    touch-action: none;
}
.lb__img { max-width: 100%; max-height: 100%; object-fit: contain; transform-origin: center; will-change: transform; user-select: none; -webkit-user-drag: none; }
.lb__img.is-swap { animation: fadeIn .45s ease; }
.lb__img.is-light { background: #fff; padding: 8px; }
.lb__stage.is-grab { cursor: grab; }
.lb__stage.is-grabbing { cursor: grabbing; }
.lb__ctl {
    display: grid; place-items: center;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
    color: var(--ivory);
    transition: background-color .3s, color .3s, border-color .3s;
}
.lb__ctl:hover { background: var(--gold); border-color: var(--gold); color: var(--night); }
.lb__close { position: absolute; z-index: 3; top: calc(14px + env(safe-area-inset-top)); right: 14px; width: 46px; height: 46px; font-size: 20px; }
.lb__nav { position: absolute; z-index: 3; top: 50%; width: 46px; height: 46px; transform: translateY(-50%); font-size: 20px; }
.lb__prev { left: 10px; }
.lb__next { right: 10px; }
.lb__bar {
    position: absolute; z-index: 3; left: 0; right: 0; bottom: 0;
    display: flex; flex-direction: column; gap: 12px;
    padding: 18px 18px calc(20px + env(safe-area-inset-bottom));
    background: linear-gradient(to top, rgba(10, 13, 22, .96), rgba(10, 13, 22, 0));
    pointer-events: none;
}
.lb__bar > * { pointer-events: auto; }
.lb__caption { max-width: 640px; color: var(--ivory); }
.lb__sub { font-family: var(--latin); font-size: .72rem; letter-spacing: .36em; color: var(--gold); }
.lb__title { margin: 4px 0; font-size: clamp(1.1rem, 1rem + .8vw, 1.6rem); font-weight: 600; letter-spacing: .16em; }
.lb__desc { font-size: .85rem; line-height: 1.8; color: rgba(245, 241, 232, .68); }
.lb__tools { display: flex; align-items: center; gap: 8px; }
.lb__tool { width: 38px; height: 38px; font-size: 16px; }
.lb__zoom { width: 48px; text-align: center; font-family: var(--latin); font-size: .82rem; letter-spacing: .1em; color: rgba(255, 255, 255, .6); }
.lb__count { margin-left: 8px; font-family: var(--latin); font-size: .85rem; letter-spacing: .2em; color: rgba(255, 255, 255, .5); }
@media (min-width: 768px) {
    .lb__stage { padding: 86px 96px 112px; }
    .lb__img.is-light { padding: 20px; }
    .lb__nav { width: 56px; height: 56px; }
    .lb__prev { left: 24px; }
    .lb__next { right: 24px; }
    .lb__close { top: 22px; right: 24px; }
    .lb__bar { flex-direction: row; align-items: flex-end; justify-content: space-between; gap: 32px; padding: 28px 32px; }
}
.lb-open { overflow: hidden; }
.lb-open .nav, .lb-open .dock { opacity: 0; pointer-events: none; }

/* 成功彈窗 */
.modal {
    position: fixed; inset: 0; z-index: 210;
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
    background: rgba(13, 17, 28, .86);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    opacity: 0; visibility: hidden;
    transition: opacity .45s ease, visibility .45s;
}
.modal.is-open { opacity: 1; visibility: visible; }
.modal__box {
    width: min(420px, 100%);
    padding: clamp(32px, 6vw, 52px) clamp(22px, 5vw, 44px);
    text-align: center;
    background: var(--ivory);
    color: var(--text);
    border-top: 3px solid var(--gold);
    transform: translateY(16px);
    transition: transform .5s var(--ease);
}
.modal.is-open .modal__box { transform: none; }
.modal__mark { display: grid; place-items: center; width: 56px; height: 56px; margin: 0 auto 18px; border: 1px solid var(--gold); border-radius: 50%; font-size: 1.4rem; color: var(--gold-deep); }
.modal__box .eyebrow { color: var(--gold-text); }
.modal__box h3 { margin: 8px 0 12px; font-size: 1.45rem; font-weight: 600; letter-spacing: .2em; }
.modal__box p { font-size: .92rem; line-height: 1.9; color: var(--muted); }
.modal__tel { margin-top: 10px; font-size: .85rem !important; }
.modal__tel a { color: var(--gold-text); font-weight: 600; }
.modal__box .btn { margin-top: 26px; min-width: 160px; }

/* =========================================================
   減少動態效果
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .hero__beam, .hero__dust { display: none; }
    .reveal-ready [data-reveal] { opacity: 1; transform: none; }
}