body {
    background-color: #F5F2EB;
    color: #4A4A4A;
    -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none;   /* Safari */
    -moz-user-select: none;      /* Firefox */
    -ms-user-select: none;       /* Internet Explorer/Edge */
    user-select: none;           /* Non-prefixed version */
}

img {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* アンティークな枠線装飾 */
.antique-border {
    position: relative;
    padding: 2rem;
    background: #fff;
}
.antique-border::before {
    content: '';
    position: absolute;
    top: 8px; left: 8px; right: 8px; bottom: 8px;
    border: 1px solid #1B2A47;
    pointer-events: none;
    opacity: 0.3;
}

/* モダンな点線リーダー (メニュー用) */
.menu-leader {
    flex-grow: 1;
    border-bottom: 1px dotted #8C8C8C;
    margin: 0 1rem;
    position: relative;
    top: -6px;
}

/* セクション見出しの装飾 */
.section-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 3rem;
}
.section-title-en {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: #1B2A47;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}
.section-title-ja {
    font-size: 0.875rem;
    color: #8C8C8C;
    letter-spacing: 0.1em;
}
.section-title-line {
    width: 40px;
    height: 1px;
    background-color: #1B2A47;
    margin-top: 1rem;
    opacity: 0.5;
}

/* アニメーション用クラス */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-in-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ハンバーガーメニュー */
.hamburger span {
    transition: all 0.3s ease-in-out;
}
.hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* FVスライダーアニメーション */
.fv-slide {
    opacity: 0;
    animation: fvSlideFade 15s infinite;
}
@keyframes fvSlideFade {
    0%   { opacity: 0; transform: scale(1); }
    10%  { opacity: 1; transform: scale(1.02); }
    33%  { opacity: 1; transform: scale(1.05); }
    43%  { opacity: 0; transform: scale(1.06); }
    100% { opacity: 0; transform: scale(1.06); }
}

/* スクロール線アニメーション */
@keyframes scrollLine {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}

/* メニュースライダーアニメーション */
@keyframes menuSlider {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}