/* ==========================================================================
   Salon de Riche - style.css
   nanopico 技術仕様書v3.4(プレミアム版) + リッチ演出拡張仕様v1 準拠
   ========================================================================== */

/* --- CSSリセット --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
h1, h2, h3, h4, h5, h6 {
    margin: 0;
    padding: 0;
}
p, ul, ol, li {
    margin: 0;
    padding: 0;
    list-style: none;
}
img {
    max-width: 100%;
    display: block;
}
a {
    color: inherit;
    text-decoration: none;
}
button {
    font: inherit;
    border: none;
    background: none;
    cursor: pointer;
}

/* --- カラー・変数 --- */
:root {
    --black: #0A0A0A;
    --ink: #1E1B18;
    --text-primary: #211D1A;
    --text-secondary: #55504A;
    --text-muted: #8B8177;

    --white: #FFFFFF;
    --cream: #F8F4EC;
    --bg-light: #FBF9F5;
    --bg-section: #F1EBDF;
    --bg-dark: #14110F;

    /* シャンパンゴールド */
    --champagne: #C6A667;
    --champagne-dark: #9C7C43;
    --champagne-soft: #EAE0C8;

    --border-light: rgba(255, 255, 255, 0.14);
    --border-dark: rgba(10, 10, 10, 0.09);

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: clamp(1.75rem, 4vw, 2.75rem);
    --space-xl: clamp(2.5rem, 6vw, 4.5rem);
    --space-2xl: clamp(3.5rem, 9vw, 6.5rem);
    --space-3xl: clamp(4.5rem, 12vw, 8rem);

    --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
    scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* --- タイポグラフィ --- */
h1 {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(2.5rem, 9vw, 4.75rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: 0.06em;
    word-break: keep-all;
    overflow-wrap: break-word;
}
h2 {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(1.875rem, 5.5vw, 3rem);
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-lg);
    word-break: keep-all;
    overflow-wrap: break-word;
}
h3 {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: clamp(1.125rem, 3.5vw, 1.375rem);
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0.04em;
    margin-bottom: 1rem;
    word-break: keep-all;
    overflow-wrap: break-word;
}
p, li {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: clamp(0.9375rem, 2vw, 1rem);
    font-weight: 400;
    line-height: 1.9;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
}
p + p {
    margin-top: 1.25rem;
}
.lead-text {
    font-size: clamp(1.0625rem, 2.5vw, 1.125rem);
    font-weight: 400;
    line-height: 2;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}
.section-tag {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 0.8125rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--champagne-dark);
    margin-bottom: 1rem;
}
.en {
    display: block;
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    margin-top: 0.6rem;
    opacity: 0.75;
}
.sp-only { display: inline; }
@media (max-width: 768px) {
    .sp-only { display: block; }
}
.pc-only { display: none; }
@media (min-width: 769px) {
    .pc-only { display: block; }
}
.nowrap { white-space: nowrap; }

/* --- レイアウト共通 --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 5vw, 3rem);
}
.container-narrow {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 5vw, 3rem);
}
section {
    padding: clamp(4.5rem, 11vw, 8rem) 0;
}
.text-center { text-align: center; }
.bg-section { background-color: var(--bg-section); }
.bg-dark { background-color: var(--bg-dark); color: rgba(255, 255, 255, 0.92); }
.bg-dark h2 { color: var(--white); }
.bg-dark p, .bg-dark li { color: rgba(255, 255, 255, 0.72); }

/* --- スクロール出現(フェードイン) --- */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.9s var(--ease-premium), transform 0.9s var(--ease-premium);
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1.is-visible { transition-delay: 0.1s; }
.reveal-delay-2.is-visible { transition-delay: 0.2s; }
.reveal-delay-3.is-visible { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* --- ヘッダー --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: transparent;
    transition: background-color 0.6s var(--ease-premium), box-shadow 0.6s var(--ease-premium);
}
.site-header.is-scrolled {
    background-color: rgba(248, 244, 236, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(10, 10, 10, 0.06);
}
.header-inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 1.4rem clamp(1.25rem, 5vw, 2.75rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: padding 0.4s var(--ease-premium);
}
.site-header.is-scrolled .header-inner {
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
}
.site-logo {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.1em;
    color: var(--white);
    display: flex;
    flex-direction: column;
    line-height: 1.3;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
    transition: color 0.5s var(--ease-premium), text-shadow 0.5s var(--ease-premium);
}
.site-header.is-scrolled .site-logo {
    color: var(--text-primary);
    text-shadow: none;
}
.site-logo .brand-en {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 0.65rem;
    letter-spacing: 0.24em;
    color: var(--champagne);
    margin-top: 0.3rem;
}
.nav { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: clamp(1.25rem, 2.5vw, 2.25rem); }
.nav-list a {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.08em;
    padding: 0.5rem 0.1rem;
    color: var(--white);
    position: relative;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
    transition: color 0.4s var(--ease-premium), text-shadow 0.4s var(--ease-premium);
}
.site-header.is-scrolled .nav-list a { color: var(--text-primary); text-shadow: none; }
@media (max-width: 880px) {
    .nav-list a { text-shadow: none; }
}
.nav-list a::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0.15rem;
    height: 1px;
    background-color: var(--champagne);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.45s var(--ease-premium);
}
@media (hover: hover) {
    .nav-list a:hover::after { transform: scaleX(1); }
}
.nav-list .nav-cta {
    border: 1px solid currentColor;
    padding: 0.6rem 1.4rem;
    border-radius: 2px;
    letter-spacing: 0.1em;
}
.nav-list .nav-cta::after { display: none; }
@media (hover: hover) {
    .nav-list .nav-cta:hover {
        background-color: var(--champagne);
        border-color: var(--champagne);
        color: var(--black);
    }
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
}
.menu-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background-color: var(--white);
    transition: transform 0.3s var(--ease-premium), opacity 0.3s var(--ease-premium), background-color 0.4s var(--ease-premium);
}
.site-header.is-scrolled .menu-toggle span,
.nav-list.is-open ~ .menu-toggle span { background-color: var(--text-primary); }
.menu-toggle.is-active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle.is-active span:nth-child(2) { opacity: 0; }
.menu-toggle.is-active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 880px) {
    .menu-toggle { display: flex; }
    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(82vw, 340px);
        height: 100vh;
        background-color: var(--cream);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 2rem;
        padding: 2rem clamp(1.5rem, 8vw, 3rem);
        transition: right 0.4s var(--ease-premium);
        box-shadow: -12px 0 32px rgba(0, 0, 0, 0.12);
    }
    .nav-list.is-open { right: 0; }
    .nav-list a { color: var(--text-primary); font-size: 1.05rem; }
    .nav-list a::after { display: none; }
    .nav-list .nav-cta { border-color: var(--champagne-dark); width: 100%; text-align: center; }
}

/* --- ヒーロー(Ken Burns + 1行ずつフェードイン) --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--white);
}
.hero-media {
    position: absolute;
    inset: 0;
    overflow: hidden;
}
.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1);
    animation: kenburns 22s ease-out forwards;
}
@keyframes kenburns {
    from { transform: scale(1); }
    to { transform: scale(1.12); }
}
@media (prefers-reduced-motion: reduce) {
    .hero-media img { animation: none; }
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(8, 6, 5, 0.58);
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: clamp(7rem, 14vw, 9rem) clamp(1.25rem, 5vw, 3rem) clamp(3rem, 8vw, 5rem);
    max-width: 880px;
}
.hero-content .en {
    color: var(--champagne);
    opacity: 0;
    animation: line-in 1s var(--ease-premium) forwards;
    animation-delay: 0.2s;
}
.hero-title {
    color: var(--white);
    overflow: hidden;
}
.hero-title .line {
    display: block;
    opacity: 0;
    transform: translateY(100%);
    animation: line-in 1s var(--ease-premium) forwards;
}
.hero-title .line:nth-child(1) { animation-delay: 0.5s; }
.hero-title .line:nth-child(2) { animation-delay: 0.75s; }
@keyframes line-in {
    to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
    .hero-content .en,
    .hero-title .line { animation: none; opacity: 1; transform: none; }
}
.hero-lead {
    margin-top: var(--space-lg);
    color: rgba(255, 255, 255, 0.92);
    opacity: 0;
    animation: fade-in-only 1.1s var(--ease-premium) forwards;
    animation-delay: 1.05s;
}
@keyframes fade-in-only { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
    .hero-lead { animation: none; opacity: 1; }
}
.hero-btns {
    margin-top: var(--space-xl);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    animation: fade-in-only 1.1s var(--ease-premium) forwards;
    animation-delay: 1.3s;
}
@media (prefers-reduced-motion: reduce) {
    .hero-btns { animation: none; opacity: 1; }
}

/* ページ用の小さいヒーロー */
.page-hero {
    position: relative;
    min-height: 46vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--white);
    text-align: center;
}
.page-hero .hero-media img {
    animation: kenburns 24s ease-out forwards;
}
.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(8, 6, 5, 0.6);
    z-index: 1;
}
.page-hero .hero-content {
    padding: clamp(7.5rem, 14vw, 9.5rem) clamp(1.25rem, 5vw, 3rem) clamp(2.5rem, 6vw, 3.5rem);
}
.page-hero h1 { font-size: clamp(2.1rem, 6.5vw, 3rem); }

/* --- ボタン --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 500;
    font-size: 0.9375rem;
    letter-spacing: 0.1em;
    border-radius: 2px;
    transition: transform 0.4s var(--ease-premium), box-shadow 0.4s var(--ease-premium), background-color 0.4s var(--ease-premium), color 0.4s var(--ease-premium);
}
.btn-primary {
    background-color: var(--champagne);
    color: var(--black);
    box-shadow: 0 10px 30px -8px rgba(198, 166, 103, 0.5);
}
@media (hover: hover) {
    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 16px 40px -8px rgba(198, 166, 103, 0.6);
        background-color: var(--champagne-dark);
    }
}
.btn-primary:active { transform: translateY(-1px) scale(0.98); }
.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.55);
}
@media (hover: hover) {
    .btn-secondary:hover { background-color: rgba(255, 255, 255, 0.12); transform: translateY(-3px); }
}
.btn-secondary:active { transform: translateY(-1px) scale(0.98); }
.btn-dark {
    background-color: var(--ink);
    color: var(--white);
    border: 1px solid var(--ink);
}
@media (hover: hover) {
    .btn-dark:hover { transform: translateY(-3px); box-shadow: 0 16px 36px -10px rgba(10,8,6,0.35); }
}
.btn-block { width: 100%; }
.btn-group { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }

/* --- カード --- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.75rem, 4vw, 2.5rem); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(2rem, 5vw, 3.5rem); }
@media (max-width: 780px) { .grid-2 { grid-template-columns: 1fr; } }

.card {
    background-color: var(--white);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 4px 20px -6px rgba(20, 17, 15, 0.1);
    transition: box-shadow 0.5s var(--ease-premium), transform 0.5s var(--ease-premium);
}
@media (hover: hover) {
    .card:hover { transform: translateY(-4px); box-shadow: 0 22px 46px -12px rgba(20, 17, 15, 0.2); }
}
.card:active { transform: translateY(-1px); }
.image-wrap { overflow: hidden; border-radius: 4px; }
.image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.9s var(--ease-premium);
}
@media (hover: hover) {
    .image-wrap:hover img { transform: scale(1.06); }
}
.card-image { aspect-ratio: 4 / 3; overflow: hidden; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease-premium); }
@media (hover: hover) {
    .card:hover .card-image img { transform: scale(1.06); }
}
.card-body { padding: clamp(1.5rem, 4vw, 2rem); }
.card-body > * { margin-bottom: 0.85rem; }
.card-body > *:last-child { margin-bottom: 0; }
.card-price {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 1.375rem;
    letter-spacing: 0.02em;
    color: var(--champagne-dark);
}

/* --- 強みリスト --- */
.feature-list { display: flex; flex-direction: column; gap: 2.25rem; }
.feature-item { display: flex; gap: 1.5rem; align-items: flex-start; }
.feature-num {
    flex-shrink: 0;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 50%;
    border: 1px solid var(--champagne);
    color: var(--champagne-dark);
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
}
.count-up { font-family: 'Inter', sans-serif; font-weight: 400; }

/* --- フルブリード画像 --- */
.bleed {
    position: relative;
    width: 100%;
    height: clamp(22rem, 52vw, 34rem);
    overflow: hidden;
}
.bleed-media {
    position: absolute;
    inset: -14% -14%;
    will-change: transform;
}
.bleed-media img { width: 100%; height: 100%; object-fit: cover; }
.bleed-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    color: var(--white);
    padding: clamp(2.5rem, 9vw, 4.5rem) clamp(1.5rem, 5vw, 3.5rem) clamp(1.75rem, 5vw, 2.75rem);
    background: linear-gradient(180deg, rgba(10, 8, 6, 0) 0%, rgba(10, 8, 6, 0.62) 55%, rgba(10, 8, 6, 0.78) 100%);
}
.bleed-caption .section-tag { color: var(--white); opacity: 0.85; }
.bleed-caption h3 {
    color: var(--white);
    margin-bottom: 0;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.55);
}
.bleed::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10, 8, 6, 0.08);
}
@media (max-width: 768px) {
    .bleed-media { inset: 0; }
}

/* --- 営業時間テーブル --- */
.info-table { width: 100%; border-collapse: collapse; }
.info-table tr { border-bottom: 1px solid var(--border-dark); }
.info-table tr:last-child { border-bottom: none; }
.info-table th, .info-table td { text-align: left; padding: 1.1rem 0.5rem; vertical-align: top; }
.info-table th {
    width: 8.5rem;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 0.06em;
    color: var(--champagne-dark);
}

/* --- Googleマップ --- */
.map-frame {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 4px 20px -6px rgba(20, 17, 15, 0.12);
}
.map-frame iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.15) contrast(1.02); }

/* --- コースブロック(メニュー) --- */
.course-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2.25rem, 5vw, 4rem);
    align-items: center;
}
.course-block.is-reverse { direction: rtl; }
.course-block.is-reverse > * { direction: ltr; }
@media (max-width: 880px) {
    .course-block, .course-block.is-reverse { grid-template-columns: 1fr; direction: ltr; }
}
.course-image { border-radius: 4px; overflow: hidden; box-shadow: 0 18px 44px -14px rgba(20, 17, 15, 0.25); }
.course-image img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; transition: transform 0.9s var(--ease-premium); }
@media (hover: hover) {
    .course-image:hover img { transform: scale(1.05); }
}
.course-price {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    color: var(--champagne-dark);
}
.course-time {
    font-size: 0.875rem;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

/* --- パンくず --- */
.breadcrumb { padding: 1.1rem 0; background-color: var(--bg-section); margin-top: 0; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.breadcrumb li { font-size: 0.8125rem; color: var(--text-muted); }
.breadcrumb a { color: var(--champagne-dark); font-weight: 500; }

/* --- お問い合わせカード --- */
.contact-methods { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-bottom: var(--space-xl); }
.contact-method {
    flex: 1 1 220px;
    background-color: var(--white);
    border-radius: 4px;
    padding: var(--space-lg);
    box-shadow: 0 4px 20px -6px rgba(20, 17, 15, 0.08);
    border-top: 2px solid var(--champagne);
}
.contact-method > * { margin-bottom: 0.5rem; }
.contact-method > *:last-child { margin-bottom: 0; }
.method-label {
    display: block;
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    color: var(--champagne-dark);
}
.method-value {
    display: block;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 1.375rem;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

/* --- フォーム(グラスモーフィズム) --- */
.form-panel {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(198, 166, 103, 0.25);
    border-radius: 6px;
    padding: clamp(1.75rem, 5vw, 3rem);
    box-shadow: 0 20px 60px -20px rgba(20, 17, 15, 0.18);
}
.contact-form { display: flex; flex-direction: column; gap: var(--space-md); }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-label { font-weight: 700; font-size: 0.9375rem; letter-spacing: 0.04em; }
.form-label .required {
    display: inline-block;
    margin-left: 0.5rem;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--white);
    background-color: var(--champagne-dark);
    padding: 0.15rem 0.55rem;
    border-radius: 2px;
    vertical-align: middle;
    letter-spacing: 0.05em;
}
.form-label .optional {
    display: inline-block;
    margin-left: 0.5rem;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--text-muted);
    background-color: var(--bg-section);
    padding: 0.15rem 0.55rem;
    border-radius: 2px;
    vertical-align: middle;
}
.form-input, .form-textarea, .form-select {
    width: 100%;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1rem;
    padding: 0.9rem 1.1rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--border-dark);
    border-radius: 4px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: var(--champagne);
    box-shadow: 0 0 0 3px rgba(198, 166, 103, 0.18);
}
.form-textarea { resize: vertical; min-height: 8rem; }
.form-hint { font-size: 0.8125rem; color: var(--text-muted); }
.form-error { font-size: 0.8125rem; font-weight: 700; color: #A6432F; display: none; }
.form-group.has-error .form-input,
.form-group.has-error .form-textarea,
.form-group.has-error .form-select { border-color: #A6432F; }
.form-group.has-error .form-error { display: block; }

.form-notice {
    display: none;
    background-color: var(--ink);
    color: var(--white);
    border-radius: 4px;
    padding: 1.5rem 1.75rem;
    margin-bottom: var(--space-lg);
    border-left: 3px solid var(--champagne);
}
.form-notice.is-visible {
    display: block;
    animation: fade-in-only 0.6s var(--ease-premium) forwards;
}
@media (prefers-reduced-motion: reduce) {
    .form-notice.is-visible { animation: none; }
}
.form-notice p { color: rgba(255, 255, 255, 0.88); }
.form-notice strong { color: var(--champagne); }

/* --- フッター --- */
.site-footer {
    background-color: var(--black);
    color: rgba(255, 255, 255, 0.82);
    padding: clamp(3.5rem, 8vw, 5.5rem) 0 var(--space-lg);
}
.footer-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: clamp(2rem, 5vw, 3rem);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
@media (max-width: 780px) { .footer-inner { grid-template-columns: 1fr; } }
.footer-inner .site-logo { color: var(--white); margin-bottom: 1rem; }
.footer-inner .site-logo .brand-en { color: var(--champagne); }
.footer-heading {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.45);
    margin-bottom: 1.1rem;
}
.footer-list li + li { margin-top: 0.75rem; }
.footer-list a { transition: color 0.3s ease; }
@media (hover: hover) {
    .footer-list a:hover { color: var(--champagne); }
}
.footer-bottom {
    padding-top: var(--space-lg);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem;
}
.footer-bottom p { font-size: 0.8125rem; color: rgba(255, 255, 255, 0.45); }
.footer-bottom a { text-decoration: underline; text-underline-offset: 3px; }

/* --- CTAバンド --- */
.cta-band { background-color: var(--ink); color: var(--white); text-align: center; }
.cta-band h2 { color: var(--white); }
.cta-band p { color: rgba(255, 255, 255, 0.72); }