/* ===== ベース ===== */
* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

:root {
    --gold: #d4af37;
    --gold-light: #f5d76e;
    --gold-deep: #a07f1c;
    --gold-shadow: #5a4810;
    --navy: #0f0a1f;
    --navy-2: #1a1530;
    --navy-3: #2d1b3d;
    --rose: #c44a6a;
    --phone-width: 420px;

    /* ===== フォントサイズ・スケール ===== */
    --fs-xxs:       10px;    /* dow, gift::before */
    --fs-xs:        11px;    /* eyebrow, badge, brand-meta */
    --fs-sm:        12px;    /* lineup-name, section-lead, footer-period */
    --fs-sm-plus:   12.5px;  /* callout, gift-text */
    --fs-base:      14px;    /* 読ませる本文・ラベル全般 */
    --fs-lg:        16px;    /* designer ja, cta-main */
    --fs-xl:        18px;    /* page-header h1, section h2, gift-title */
    --fs-xl-plus:   19px;    /* intro-catch, brand h2, header-period */
    --fs-2xl:       22px;    /* section-heading */
    --fs-3xl:       30px;    /* featured num */

    /* PCサイドのヒーロータイトル（レスポンシブ） */
    --fs-hero-1:    clamp(40px, 5.2vw, 78px);
    --fs-hero-2:    clamp(36px, 4.6vw, 70px);
    --fs-hero-3:    clamp(34px, 4.4vw, 66px);
    --fs-hero-date: clamp(20px, 2.4vw, 36px);
}

body {
    min-height: 100vh;
    font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
    color: #333;
    background: #1a1530;
}

/* ===== 背景：HARADA本店の外観画像 ===== */
.bg-cover {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image: url('images/harada-exterior.webp');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.bg-overlay {
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        linear-gradient(180deg, rgba(15, 10, 31, 0.15) 0%, rgba(15, 10, 31, 0.35) 100%);
    pointer-events: none;
}

/* ===== 左右のビジュアル領域（PCのみ表示） ===== */
.side {
    position: fixed;
    top: 0;
    bottom: 0;
    width: calc((100% - var(--phone-width)) / 2);
    display: none;
    z-index: 2;
}

.side-left  { left: 0; pointer-events: none; }
.side-right { right: 0; }

.side-inner {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    padding: 40px;
}

/* --- 左：HARADAタイトルオーバーレイ（画像1のレイアウト） --- */
.side-inner-left {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    text-align: left;
    gap: 4px;
}

.hero-title {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: #ffffff;
    font-family: "Didot", "Bodoni MT", "Times New Roman", serif;
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: 0.02em;
    text-shadow:
        0 2px 12px rgba(0, 0, 0, 0.5),
        0 0 24px rgba(0, 0, 0, 0.35);
}

.hero-line-1 { font-size: var(--fs-hero-1); }
.hero-line-2 { font-size: var(--fs-hero-2); }
.hero-line-3 { font-size: var(--fs-hero-3); letter-spacing: -0.005em; }

.hero-date {
    margin: 22px 0 0;
    font-family: "Didot", "Bodoni MT", "Times New Roman", serif;
    font-size: var(--fs-hero-date);
    color: #ffffff;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.55);
}

/* --- 右：LINEUPグリッド --- */
.side-inner-right {
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    overflow-y: auto;
    padding: 36px 28px;
    background: rgba(255, 255, 255, 0.62);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-left: 1px solid rgba(160, 127, 28, 0.18);
}

.lineup-eyebrow {
    margin: 0 0 18px;
    font-family: "Didot", "Bodoni MT", serif;
    font-size: var(--fs-base);
    font-weight: 500;
    letter-spacing: 0.36em;
    color: #1a1530;
    text-align: center;
    border-bottom: 1px solid rgba(26, 21, 48, 0.15);
    padding-bottom: 12px;
}

.lineup-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 14px;
}

.lineup-grid li a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #1a1530;
    padding: 6px 6px;
    border-radius: 999px;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.lineup-grid li a:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: translateY(-1px);
}

.lineup-thumb {
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #d8c896 center/cover no-repeat;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
    border: 2px solid #fff;
}

.lineup-name {
    font-size: var(--fs-sm);
    line-height: 1.35;
    letter-spacing: 0.04em;
    color: #1a1530;
    font-weight: 500;
}

/* --- ブランド別サムネイル画像 --- */
.thumb-cornelian { background-image: url('images/cornelian.jpg'); }
.thumb-laferte   { background-image: url('images/laferte.jpg'); }
.thumb-diaflore  { background-image: url('images/diaflore.jpg'); }
.thumb-pearl     { background-image: url('images/pearl.jpg'); }
.thumb-bullion   { background-image: url('images/bullion.jpg'); }
.thumb-mens      { background-image: url('images/mens.jpg'); }
.thumb-boucheron {
    background-image: url('images/boucheron.jpg');
    background-position: 18% 30%;
    background-size: 240% auto;
}
.thumb-longines  { background-image: url('images/longines.jpg'); }

/* ===== 中央のスマホ幅エリア ===== */
.phone-frame {
    position: relative;
    width: 100%;
    max-width: var(--phone-width);
    min-height: 100vh;
    margin: 0 auto;
    background: #ffffff;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.45);
    display: flex;
    flex-direction: column;
    z-index: 2;
}

.page-header {
    position: relative;
    padding: 64px 24px 40px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.35);
    text-align: center;
    color: #fff;
    overflow: hidden;
    background:
        linear-gradient(180deg,
            rgba(15, 10, 31, 0.55) 0%,
            rgba(15, 10, 31, 0.30) 40%,
            rgba(15, 10, 31, 0.55) 75%,
            rgba(15, 10, 31, 0.88) 100%),
        url('images/2f.webp') center center / cover no-repeat #1a1530;
}

/* 上部の細いゴールドライン（ブランド帯と同じ意匠） */
.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--gold) 30%,
        var(--gold-light) 50%,
        var(--gold) 70%,
        transparent 100%);
}

/* 下端のフェード（イントロセクションへの繋がり） */
.page-header::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--gold) 50%,
        transparent 100%);
    opacity: 0.6;
}

.page-header > * {
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-block;
    margin: 0 0 16px;
    padding: 5px 16px;
    font-size: var(--fs-xs);
    letter-spacing: 0.24em;
    color: #fff;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
    border-radius: 999px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.page-header h1 {
    margin: 0 0 16px;
    font-family: "Didot", "Bodoni MT", "Times New Roman", serif;
    font-size: var(--fs-xl);
    font-weight: 500;
    letter-spacing: 0.14em;
    line-height: 1.6;
    color: #ffffff;
    text-shadow:
        0 2px 14px rgba(0, 0, 0, 0.55),
        0 0 24px rgba(0, 0, 0, 0.35);
}

.header-period {
    margin: 0;
    font-family: "Didot", "Bodoni MT", "Times New Roman", serif;
    font-size: var(--fs-xl-plus);
    letter-spacing: 0.04em;
    color: var(--gold-light);
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.55);
}

.header-period .dow {
    font-size: var(--fs-xxs);
    letter-spacing: 0.2em;
    margin: 0 4px 0 1px;
    vertical-align: baseline;
    color: rgba(245, 215, 110, 0.85);
}

.header-period .dash {
    margin: 0 6px;
    color: var(--gold-light);
    opacity: 0.85;
}

/* ===== 挨拶セクション ===== */
.intro {
    padding: 28px 24px 26px;
    text-align: center;
    background: linear-gradient(180deg, #fffbf2 0%, #ffffff 100%);
    border-bottom: 1px solid #f0e9d8;
}

.intro-catch {
    margin: 0 0 16px;
    font-family: "Yu Mincho", "YuMincho", "游明朝", "Hiragino Mincho ProN", serif;
    font-size: var(--fs-xl-plus);
    font-weight: 500;
    letter-spacing: 0.06em;
    line-height: 1.7;
    color: #1a1530;
}

.intro-catch .accent {
    color: var(--gold-deep);
    font-style: italic;
}

.intro-divider {
    width: 48px;
    height: 1px;
    margin: 0 auto 18px;
    background: linear-gradient(90deg, transparent, var(--gold) 50%, transparent);
}

.intro-body {
    margin: 0;
    font-size: var(--fs-base);
    line-height: 2;
    color: #555;
    font-feature-settings: "palt";
}

.page-main {
    flex: 1;
    padding: 12px 20px 32px;
}

/* ===== セクションタイトル ===== */
.section-title {
    text-align: center;
    padding: 32px 0 18px;
    margin: 8px 0 8px;
}

.section-title-sub {
    padding-top: 28px;
    border-top: 1px solid #f0e9d8;
    margin-top: 24px;
}

.section-eyebrow {
    margin: 0 0 6px;
    font-family: "Didot", "Bodoni MT", serif;
    font-size: var(--fs-xs);
    letter-spacing: 0.32em;
    color: var(--gold-deep);
}

.section-heading {
    margin: 0 0 8px;
    font-family: "Yu Mincho", "YuMincho", "游明朝", "Hiragino Mincho ProN", serif;
    font-size: var(--fs-2xl);
    font-weight: 500;
    letter-spacing: 0.18em;
    color: #1a1530;
    position: relative;
    display: inline-block;
    padding: 0 18px;
}

.section-heading::before,
.section-heading::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 12px;
    height: 1px;
    background: var(--gold-deep);
}

.section-heading::before { left: 0; }
.section-heading::after  { right: 0; }

.section-lead {
    margin: 4px 0 0;
    font-size: var(--fs-sm);
    color: #6a5a4a;
    line-height: 1.8;
    letter-spacing: 0.04em;
}

/* ===== ブランドセクション共通 ===== */
.section {
    margin-bottom: 32px;
}

.section h2 {
    font-size: var(--fs-xl);
    margin: 0 0 8px;
    padding-left: 10px;
    border-left: 3px solid var(--gold);
    letter-spacing: 0.04em;
    color: #1a1530;
}

.section p {
    margin: 0 0 8px;
    line-height: 1.85;
    font-size: var(--fs-base);
    color: #444;
}

.brand-image {
    margin: 0 0 14px;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 4px;
    background: #f0f0f0;
    position: relative;
}

.brand-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.brand-image:hover img {
    transform: scale(1.04);
}

/* ブシュロン／ロンジン：横長バナー画像をフル表示（切れ防止） */
#brand-boucheron .brand-image,
#brand-longines  .brand-image {
    aspect-ratio: 2 / 1;
    background: #e9e9e7;
}

#brand-boucheron .brand-image img,
#brand-longines  .brand-image img {
    object-fit: contain;
}

/* ディアフローレ：縦長ポートレート画像をフル表示（切れ防止） */
#brand-diaflore .brand-image {
    aspect-ratio: 2 / 3;
    background: #f7e6ec;
}

#brand-diaflore .brand-image img {
    object-fit: contain;
}

.brand-image-caption {
    position: absolute;
    left: 14px;
    bottom: 12px;
    margin: 0;
    padding: 4px 10px;
    font-family: "Didot", "Bodoni MT", serif;
    font-size: var(--fs-sm);
    letter-spacing: 0.18em;
    color: #fff;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.brand-meta {
    margin: 0 0 4px;
    padding-left: 13px;
    font-family: "Didot", "Bodoni MT", serif;
    font-size: var(--fs-xs);
    letter-spacing: 0.18em;
    color: var(--gold-deep);
    text-transform: uppercase;
}

.brand h2 {
    font-size: var(--fs-xl-plus);
    letter-spacing: 0.04em;
}

.brand-catch {
    margin: 4px 0 12px;
    padding-left: 13px;
    font-family: "Yu Mincho", "YuMincho", "游明朝", "Hiragino Mincho ProN", serif;
    font-size: var(--fs-base);
    color: var(--gold-deep);
    letter-spacing: 0.04em;
}

/* ===== 目玉ブランド（FEATURED） ===== */
.brand-featured {
    position: relative;
    padding: 22px 16px 22px;
    border: 1px solid rgba(212, 175, 55, 0.35);
    border-radius: 6px;
    background:
        linear-gradient(180deg, #fffaee 0%, #ffffff 60%);
    box-shadow: 0 6px 18px rgba(160, 127, 28, 0.08);
}

.brand-featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--gold) 30%,
        var(--gold-light) 50%,
        var(--gold) 70%,
        transparent 100%);
    border-radius: 6px 6px 0 0;
}

.featured-tag {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin: 0 0 14px;
    padding: 8px 0;
    border-bottom: 1px dashed rgba(160, 127, 28, 0.3);
}

.featured-tag .num {
    font-family: "Didot", "Bodoni MT", serif;
    font-size: var(--fs-3xl);
    line-height: 1;
    color: var(--gold);
    background: linear-gradient(180deg, var(--gold) 0%, var(--gold-deep) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 500;
}

.featured-tag .floor {
    font-size: var(--fs-xs);
    letter-spacing: 0.18em;
    color: var(--gold-deep);
}

.tag-secondary .floor {
    color: #6a5a4a;
}

/* ===== デザイナー名 ===== */
.designer-credit {
    margin: 16px 0 0 !important;
    padding-left: 13px;
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.designer-credit .ja {
    font-family: "Yu Mincho", "YuMincho", "游明朝", serif;
    font-size: var(--fs-lg);
    letter-spacing: 0.18em;
    color: #1a1530;
}

.designer-credit .en {
    font-family: "Didot", "Bodoni MT", serif;
    font-size: var(--fs-sm);
    letter-spacing: 0.16em;
    color: var(--gold-deep);
    font-style: italic;
}

/* ===== 副ブランド ===== */
.brand-sub {
    padding: 18px 14px;
    background: #ffffff;
    border: 1px solid #f0e9d8;
    border-radius: 4px;
}

/* ===== ジュエリーフェア／時計フェア ===== */
.brand-fair {
    padding: 22px 16px;
    background: linear-gradient(180deg, #fbfaf6 0%, #ffffff 60%);
    border: 1px solid #ece2c4;
    border-radius: 6px;
}

.brand-catch em {
    font-style: italic;
    font-family: "Didot", "Bodoni MT", serif;
    letter-spacing: 0.06em;
}

.callout {
    margin-top: 12px !important;
    padding: 10px 14px;
    background: linear-gradient(135deg, #fff8df 0%, #fdf0c0 100%);
    border-left: 3px solid var(--gold);
    font-size: var(--fs-sm-plus) !important;
    color: #6a4e0a !important;
    line-height: 1.6 !important;
}

/* ===== ご来店プレゼント ===== */
.gift {
    margin: 8px 0 24px;
    padding: 20px 18px 22px;
    text-align: center;
    background:
        linear-gradient(180deg, #fff8df 0%, #ffffff 80%);
    border: 1px solid var(--gold);
    border-radius: 6px;
    position: relative;
}

.gift::before {
    content: 'GIFT';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 3px 12px;
    font-family: "Didot", "Bodoni MT", serif;
    font-size: var(--fs-xxs);
    letter-spacing: 0.32em;
    color: #fff;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
    border-radius: 2px;
}

.gift-eyebrow {
    margin: 0 0 4px;
    font-size: var(--fs-xs);
    letter-spacing: 0.24em;
    color: var(--gold-deep);
}

.gift-title {
    margin: 0 0 14px;
    font-family: "Yu Mincho", "YuMincho", "游明朝", serif;
    font-size: var(--fs-xl);
    font-weight: 500;
    letter-spacing: 0.06em;
    color: #1a1530;
}

.gift-image {
    margin: 0 0 12px;
    aspect-ratio: 16 / 11;
    overflow: hidden;
    border-radius: 4px;
}

.gift-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gift-text {
    margin: 0 !important;
    font-size: var(--fs-sm-plus) !important;
    line-height: 1.85 !important;
    color: #555 !important;
    letter-spacing: 0.02em;
}

/* ===== フッター ===== */
.page-footer {
    padding: 22px 20px 80px;
    border-top: 1px solid #eee;
    text-align: center;
    color: #888;
    background: #fbfaf6;
}

.footer-period {
    margin: 0 0 10px;
    font-size: var(--fs-sm);
    color: #4a3a5a;
    line-height: 1.7;
    letter-spacing: 0.06em;
}

.footer-period strong {
    font-family: "Didot", "Bodoni MT", serif;
    font-size: var(--fs-base);
    letter-spacing: 0.12em;
    color: var(--gold-deep);
    font-weight: 500;
}

/* ===== 固定CTA ===== */
.cta-fixed {
    position: fixed;
    z-index: 10;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;

    left: 0;
    right: 0;
    bottom: 0;
    padding: 14px 20px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 10px;
}

.cta-fixed:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

.cta-label {
    font-size: var(--fs-xs);
    letter-spacing: 0.2em;
    opacity: 0.9;
}

.cta-main {
    font-size: var(--fs-lg);
    font-weight: bold;
    letter-spacing: 0.1em;
}

/* ===== PC表示 ===== */
@media (min-width: 1024px) {
    .side {
        display: block;
    }

    .cta-fixed {
        left: auto;
        right: 32px;
        bottom: 32px;
        padding: 16px 28px;
        border-radius: 999px;
        flex-direction: column;
        gap: 2px;
        align-items: center;
    }

    .page-footer {
        padding-bottom: 22px;
    }
}

/* ===== タブレット域：背景画像のみ見せる ===== */
@media (min-width: 768px) and (max-width: 1023.98px) {
    .phone-frame {
        margin: 24px auto;
    }
}