/* =============================================
   Pattern 26: Dining
   Saveur — フレンチレストラン — 品質向上版
   ★ 独自構成: シネマティックヒーロー, ドットリーダーメニュー, シェフバイオ
   ============================================= */

:root {
    --c-dark: #12100E;
    --c-dark-brown: #2C241B;
    --c-gold: #C5A059;
    --c-gold-light: #E8D8BA;
    --c-ivory: #F9F8F6;
    --c-white: #ffffff;
    --c-text: #3A3530;
    --c-muted: #8E877F;
    --f-display: "Cormorant Garamond", serif;
    --f-body: "Noto Serif JP", serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--f-body);
    color: var(--c-text);
    background: var(--c-ivory);
    line-height: 2;
    font-weight: 300;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 40px;
}

.container--sm {
    max-width: 800px;
}

/* ===== ユーティリティ ===== */
.sect-subtitle {
    display: block;
    font-family: var(--f-display);
    font-size: 1.1rem;
    color: var(--c-gold);
    font-style: italic;
    margin-bottom: 10px;
    letter-spacing: 0.05em;
}

.sub-ja {
    display: block;
    font-family: var(--f-body);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--c-muted);
    font-style: normal;
    letter-spacing: 0.15em;
    margin-top: 5px;
}

/* ===== ヘッダー（右寄せミニマル） ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 25px 50px;
    transition: all 0.5s;
    background: transparent;
}

.header.is-scrolled {
    background: rgba(249, 248, 246, 0.95);
    padding: 15px 50px;
    border-bottom: 1px solid rgba(197, 160, 89, 0.2);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--f-display);
    font-size: 2rem;
    color: var(--c-white);
    font-weight: 400;
    letter-spacing: 0.1em;
    transition: color 0.5s;
}

.header.is-scrolled .logo {
    color: var(--c-dark);
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav a {
    font-family: var(--f-display);
    text-decoration: none;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s;
    letter-spacing: 0.05em;
}

.header.is-scrolled .nav a {
    color: var(--c-text);
}

.nav a:hover {
    color: var(--c-gold);
}

.nav-reserve {
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 24px;
    border-radius: 2px;
}

.header.is-scrolled .nav-reserve {
    border-color: var(--c-gold);
    color: var(--c-gold);
}

.nav-reserve:hover {
    background: var(--c-gold);
    color: var(--c-white) !important;
    border-color: var(--c-gold);
}

/* ===== ヒーロー（シネマティック） ===== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-bottom: 80px;
}

.hero-bgbox {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6) contrast(1.1);
    transform: scale(1.05);
    animation: heroZoom 20s linear infinite alternate;
}

@keyframes heroZoom {
    0% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1.15);
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(18, 16, 14, 0.9) 0%, rgba(18, 16, 14, 0) 60%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--c-white);
    padding: 0 40px;
}

.hero-subtitle {
    font-family: var(--f-display);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--c-gold-light);
    display: block;
    margin-bottom: 20px;
    letter-spacing: 0.1em;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 300;
    line-height: 1.6;
    letter-spacing: 0.1em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--c-white);
}

.scroll-down span {
    font-family: var(--f-display);
    font-size: 0.9rem;
    font-style: italic;
    letter-spacing: 0.1em;
    opacity: 0.7;
}

.scroll-down::after {
    content: '';
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.3);
    animation: scrollLine 2s ease-in-out infinite;
    transform-origin: top;
}

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    51% {
        transform: scaleY(1);
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* ===== コンセプト（全幅交互） ===== */
.section--concept {
    padding: 80px 0 120px;
}

.concept-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    margin-bottom: 20px;
}

.concept-row--reverse {
    grid-template-columns: 1fr 1fr;
}

.concept-row--reverse .concept-img {
    grid-column: 2;
    grid-row: 1;
}

.concept-row--reverse .concept-text {
    grid-column: 1;
    grid-row: 1;
}

.concept-img img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.concept-text {
    padding: 60px 80px;
    background: var(--c-ivory);
    position: relative;
    z-index: 2;
}

.concept-text--right {
    margin-left: -100px;
    margin-top: 100px;
}

.concept-text--left {
    margin-right: -100px;
    margin-top: -100px;
}

.concept-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    font-weight: 400;
    letter-spacing: 0.05em;
}

.concept-text p {
    color: var(--c-muted);
    font-size: 0.95rem;
}

/* ===== メニュー（クラシックドットリーダー） ===== */
.section--dark {
    background: var(--c-dark);
    color: var(--c-white);
    padding: 120px 0;
}

.menu-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.menu-header {
    text-align: center;
    margin-bottom: 60px;
}

.menu-header h2 {
    font-family: var(--f-display);
    font-size: 3.5rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
}

.menu-desc {
    color: var(--c-gold-light);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.menu-price {
    font-family: var(--f-display);
    font-size: 2rem;
    color: var(--c-gold);
}

.tax-inc {
    font-family: var(--f-body);
    font-size: 0.75rem;
    color: var(--c-muted);
    margin-left: 10px;
}

.menu-list {
    width: 100%;
    max-width: 700px;
    margin-bottom: 80px;
}

.menu-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: end;
    gap: 15px;
    margin-bottom: 25px;
}

.menu-name {
    font-family: var(--f-display);
    font-size: 1.4rem;
    color: var(--c-gold-light);
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.menu-name small {
    font-family: var(--f-body);
    font-size: 0.75rem;
    color: var(--c-muted);
    margin-top: 4px;
}

.menu-dots {
    border-bottom: 1px dotted rgba(255, 255, 255, 0.2);
    margin-bottom: 8px;
}

.menu-detail {
    font-size: 0.95rem;
    color: var(--c-white);
    padding-bottom: 2px;
}

.menu-photos {
    display: flex;
    gap: 20px;
    width: 100%;
    justify-content: center;
}

.menu-photos img {
    width: 300px;
    height: 400px;
    object-fit: cover;
    border: 1px solid rgba(197, 160, 89, 0.3);
    padding: 10px;
}

/* ===== 写真帯（トリミングなし横並び） ===== */
.photo-band {
    background: var(--c-dark);
    padding-bottom: 100px;
}

.band-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.band-grid img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    filter: grayscale(20%) brightness(0.8);
    transition: filter 0.5s;
}

.band-grid img:hover {
    filter: grayscale(0%) brightness(1);
}

/* ===== シェフ（巨大円形写真） ===== */
.section {
    padding: 120px 0;
}

.chef-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.chef-photo-wrap {
    position: relative;
    padding: 20px;
}

.chef-photo-wrap::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid var(--c-gold);
    border-radius: 50%;
    width: 90%;
    height: 90%;
    margin: auto;
    opacity: 0.3;
}

.chef-photo {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 50%;
    filter: contrast(1.1) sepia(0.2);
}

.chef-bio {
    position: relative;
}

.chef-bio h2 {
    font-family: var(--f-display);
    font-size: 3rem;
    font-weight: 400;
    line-height: 1;
    margin-bottom: 5px;
    color: var(--c-dark);
}

.chef-name-ja {
    font-size: 1rem;
    font-weight: 400;
    color: var(--c-muted);
    margin-bottom: 30px;
    letter-spacing: 0.2em;
}

.chef-history {
    font-size: 0.95rem;
    color: var(--c-text);
    margin-bottom: 40px;
    line-height: 2.2;
}

.chef-sig {
    height: 60px;
    opacity: 0.6;
    filter: invert(0.2);
}

/* ===== 予約情報 ===== */
.section--reserve {
    background: url('https://images.unsplash.com/photo-1559339352-11d035aa65de?q=80&w=1600') center/cover fixed;
    position: relative;
    padding: 150px 0;
}

.section--reserve::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(18, 16, 14, 0.85);
}

.reserve-card {
    position: relative;
    z-index: 2;
    background: var(--c-dark);
    padding: 70px 60px;
    border: 1px solid rgba(197, 160, 89, 0.3);
    color: var(--c-white);
    text-align: center;
}

.reserve-head h2 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 15px;
    letter-spacing: 0.1em;
}

.reserve-head p {
    color: var(--c-muted);
    font-size: 0.95rem;
    margin-bottom: 50px;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    text-align: left;
    margin-bottom: 50px;
}

.info-item h4 {
    font-family: var(--f-display);
    font-size: 1.3rem;
    color: var(--c-gold);
    font-weight: 400;
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 8px;
}

.info-item p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.info-item--full {
    grid-column: span 2;
    text-align: center;
}

.info-item--full h4 {
    border-bottom: none;
    margin-bottom: 5px;
}

.tel-link {
    display: inline-block;
    font-family: var(--f-display);
    font-size: 2.5rem;
    color: var(--c-white);
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.3s;
}

.tel-link:hover {
    color: var(--c-gold);
}

.note {
    font-size: 0.8rem;
    color: var(--c-gold-light);
    opacity: 0.7;
}

/* ボタン */
.btn-gold {
    display: inline-block;
    padding: 18px 50px;
    background: transparent;
    border: 1px solid var(--c-gold);
    color: var(--c-gold);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.4s;
    letter-spacing: 0.1em;
}

.btn-gold:hover {
    background: var(--c-gold);
    color: var(--c-white);
}

/* ===== FAQ ===== */
.faq-list {
    display: flex;
    flex-direction: column;
    background: var(--c-white);
    padding: 30px;
    border: 1px solid rgba(197, 160, 89, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.faq-item {
    border-bottom: 1px dotted rgba(197, 160, 89, 0.3);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-q {
    padding: 20px 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-dark);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.3s;
}

.faq-q:hover {
    color: var(--c-gold);
}

.faq-q::-webkit-details-marker {
    display: none;
}

.faq-icon {
    position: relative;
    width: 14px;
    height: 14px;
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background-color: var(--c-gold);
    transition: transform 0.3s;
}

.faq-icon::before {
    top: 6px;
    left: 0;
    width: 14px;
    height: 1px;
}

.faq-icon::after {
    top: 0;
    left: 6px;
    width: 1px;
    height: 14px;
}

details[open] .faq-icon::after {
    transform: rotate(90deg) scaleY(0);
}

.faq-a {
    padding: 0 0 20px 0;
    color: var(--c-text);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ===== フッター ===== */
.footer {
    background: var(--c-dark-brown);
    color: var(--c-white);
    padding: 60px 0 40px;
    text-align: center;
}

.footer-logo {
    font-family: var(--f-display);
    font-size: 2.2rem;
    font-weight: 400;
    color: var(--c-gold);
    margin-bottom: 25px;
    letter-spacing: 0.1em;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
}

.social-links a {
    font-family: var(--f-display);
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 1.2rem;
    transition: color 0.3s;
    font-style: italic;
}

.social-links a:hover {
    color: var(--c-gold);
}

.copyright {
    font-size: 0.75rem;
    color: var(--c-muted);
    letter-spacing: 0.1em;
}

/* ===== アニメーション ===== */
.anim {
    opacity: 0;
    transition: all 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.anim.anim-up {
    transform: translateY(40px);
}

.anim.anim-left {
    transform: translateX(-40px);
}

.anim.anim-right {
    transform: translateX(40px);
}

.anim.is-visible {
    opacity: 1;
    transform: translate(0);
}

.anim-d1 {
    transition-delay: 0.2s;
}

.anim-d2 {
    transition-delay: 0.4s;
}

.anim-hero {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.anim-hero.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
    .header {
        padding: 20px;
    }

    .header.is-scrolled {
        padding: 15px 20px;
    }

    .nav {
        gap: 15px;
    }

    .nav a {
        font-size: 0.9rem;
    }

    .nav-reserve {
        display: none;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .concept-row,
    .concept-row--reverse {
        grid-template-columns: 1fr;
        margin-bottom: 0;
    }

    .concept-img img {
        height: 400px;
    }

    .concept-text {
        margin: -50px 20px 50px !important;
        padding: 40px 30px;
    }

    .menu-item {
        grid-template-columns: 1fr;
        gap: 5px;
        text-align: center;
        margin-bottom: 40px;
    }

    .menu-dots {
        display: none;
    }

    .menu-photos {
        flex-direction: column;
        align-items: center;
    }

    .band-grid {
        grid-template-columns: 1fr;
    }

    .band-grid img {
        height: 300px;
    }

    .chef-layout {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .chef-photo-wrap::before {
        display: none;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .info-item--full {
        grid-column: 1;
    }

    .reserve-card {
        padding: 50px 30px;
    }
}