@charset "UTF-8";
/* ===================================================
   repos 専用：ヴィンテージ・シック・デザインシステム
   =================================================== */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600&family=Noto+Serif+JP:wght@200;300;400;500;700&display=swap');

:root {
    --bg-white: #ffffff;       /* 清潔な純白 */
    --bg-light: #f7f6f5;       /* 柔らかなコンクリート・ウッドグレー */
    --charcoal-dark: #121212;  /* 格調高いマットブラック */
    --charcoal-mid: #2a2a2a;   /* 渋みのあるヴィンテージチャコール */
    --brass-gold: #9e826c;     /* 鈍い輝きを放つ真鍮（ブラス）ゴールド */
    --text-main: #222222;      /* 視認性の高いアッシュブラック */
    --text-muted: #77716c;     /* 落ち着いたブラウングレー */
}

/* 共通リセット */
html { scroll-behavior: smooth; }
body {
    margin: 0; padding: 0;
    background-color: var(--bg-white);
    font-family: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
    color: var(--text-main);
    line-height: 1.9;
    overflow-x: hidden;
}

/* セクション大枠構造 */
.gv-section {
    padding: 120px 0;
    background-color: var(--bg-white);
}
.gv-section.bg-light {
    background-color: var(--bg-light);
}
.gv-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    box-sizing: border-box;
}

/* 最高級左寄せタイトル */
.gv-header-block {
    text-align: left;
    margin-bottom: 70px;
}
.gv-title-en {
    font-family: 'Cinzel', serif;
    font-size: 38px;
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--charcoal-dark);
    margin: 0 0 10px 0;
    line-height: 1.2;
}
.gv-title-jp {
    font-size: 13px;
    font-weight: 500;
    color: var(--brass-gold);
    letter-spacing: 0.25em;
    margin: 0;
}

/* 左右からのフェードイン効果（初期状態） */
.gv-reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 1.5s cubic-bezier(0.16, 1, 0.3, 1), transform 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.gv-reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 1.5s cubic-bezier(0.16, 1, 0.3, 1), transform 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.gv-animated {
    opacity: 1;
    transform: translateX(0) translateY(0) !important;
}

/* パノラマ2列レイアウト */
.gv-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 80px;
    align-items: center;
}
.gv-txt-col { text-align: left; }
.gv-h3 {
    font-size: 24px;
    font-weight: 400;
    color: var(--charcoal-dark);
    margin: 0 0 25px 0;
    letter-spacing: 0.05em;
    line-height: 1.5;
}
.gv-h3 span {
    display: block;
    font-size: 13px;
    color: var(--brass-gold);
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 0.12em;
}
.gv-p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 20px;
    text-align: justify;
}
.gv-p:last-child { margin-bottom: 0; }

.gv-img-frame img {
    width: 100%;
    height: auto;
    border-radius: 1px;
    display: block;
    box-shadow: 0 15px 50px rgba(18,18,18,0.04);
}

/* 共通ヘッダー（大人の黒と白の気品） */
.gv-navbar {
    background-color: var(--bg-white);
    position: sticky; top: 0; z-index: 1000;
    padding: 20px 0;
    border-bottom: 1px solid rgba(18,18,18,0.04);
}
.gv-nav-flex { display: flex; justify-content: space-between; align-items: center; }
.gv-logo {font-size: 24px; letter-spacing: 0.1em; font-weight: 500; }
.gv-logo a { text-decoration: none; color: var(--charcoal-dark); }
.gv-menu a {
    text-decoration: none; color: var(--charcoal-dark);
    font-size: 13px; font-weight: 500; margin-left: 35px;
    letter-spacing: 0.12em; transition: all 0.3s;
    position: relative; padding-bottom: 5px;
}
.gv-menu a::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 1px;
    background-color: var(--brass-gold); transition: width 0.3s;
}
.gv-menu a:hover { color: var(--brass-gold); }
.gv-menu a:hover::after { width: 100%; }
.gv-menu a.active { color: var(--brass-gold); font-weight: 700; }
.gv-menu a.active::after { width: 100%; }

/* Instagramアイコン装飾 */
.gv-nav-instagram {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 35px;
    text-decoration: none;
    vertical-align: middle;
}
.gv-nav-instagram svg {
    width: 24px;
    height: 24px;
    fill: var(--charcoal-dark);
    transition: fill 0.3s ease;
}
.gv-nav-instagram:hover svg {
    fill: var(--brass-gold);
}

/* スマホ用ハンバーガーメニュー */
.gv-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 2000;
    position: relative;
}
.gv-hamburger-bar {
    display: block;
    width: 24px;
    height: 1.5px;
    background-color: var(--charcoal-dark);
    margin: 6px 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.gv-sp-nav {
    position: fixed; top: 0; right: -100%;
    width: 100%; height: 100vh;
    background-color: var(--charcoal-dark);
    z-index: 1999;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    transition: right 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.gv-sp-nav.is-open { right: 0; }
.gv-sp-menu a {
    display: block; color: #ffffff; text-decoration: none;
    font-size: 22px; margin: 25px 0; letter-spacing: 0.15em;
    text-align: center; transition: color 0.3s;
}
.gv-sp-menu a:hover, .gv-sp-menu a.active { color: var(--brass-gold); }

.gv-hamburger.is-active .gv-hamburger-bar { background-color: #ffffff; }
.gv-hamburger.is-active .gv-hamburger-bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.gv-hamburger.is-active .gv-hamburger-bar:nth-child(2) { opacity: 0; transform: translateX(-20px); }
.gv-hamburger.is-active .gv-hamburger-bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* 高級ボタン */
.gv-btn {
    display: inline-block; padding: 18px 40px; border-radius: 0px;
    font-size: 13px; font-weight: 500; text-align: center; text-decoration: none;
    letter-spacing: 0.15em; transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    text-transform: uppercase; border: 1px solid var(--charcoal-dark);
}
.gv-btn-charcoal { background-color: var(--charcoal-dark); color: #ffffff; }
.gv-btn-charcoal:hover { background-color: transparent; color: var(--charcoal-dark); }
.gv-btn-brass { background-color: transparent; color: var(--brass-gold); border-color: var(--brass-gold); }
.gv-btn-brass:hover { background-color: var(--brass-gold); color: #ffffff; }

/* 共通フッター */
.gv-footer { background-color: var(--charcoal-dark); padding: 70px 0; color: rgba(255,255,255,0.6); font-size: 13px; }
.gv-footer-flex { display: flex; justify-content: space-between; align-items: center; }
.gv-footer-brand p { margin: 0; color: #ffffff; font-size: 15px; letter-spacing: 0.05em; font-family: 'Cinzel', serif; }

@media (max-width: 992px) {
    .gv-grid-2 { grid-template-columns: 1fr; gap: 50px; }
    .gv-section { padding: 80px 0; }
    .gv-title-en { font-size: 32px; }
}
@media (max-width: 768px) {
    .gv-menu { display: none !important; }
    .gv-hamburger { display: block !important; }
    .gv-nav-instagram { margin-left: 20px; margin-right: 10px; }
    .gv-footer-container { flex-direction: column; gap: 20px; text-align: center; }
}