:root {
    --intl-navy: #001A33;
    --intl-gold: #85754E;
    --intl-paper: #F8F8F6;
    --intl-charcoal: #111111;
    --intl-line: rgba(0, 26, 51, 0.15);
}

* {
    font-family: 'Cormorant Garamond', 'Noto Serif JP', serif !important;
    -webkit-font-smoothing: antialiased;
}

body {
    color: var(--intl-charcoal);
    background-color: var(--intl-paper);
    line-height: 2;
}

.all-caps {
    text-transform: uppercase;
    letter-spacing: 0.15em; /* ロゴ用に調整 */
}

.nav-caps {
    text-transform: uppercase;
    letter-spacing: 0.25em; /* ナビ用に調整 */
}

.text-readable {
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.hairline {
    height: 0.5px;
    background-color: var(--intl-line);
    width: 100%;
}

.img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 26, 51, 0.35), rgba(0, 26, 51, 0.65));
}

.img-container {
    position: relative;
    overflow: hidden;
    background-color: #E5E5E5;
}
.img-container img {
    transition: transform 4s cubic-bezier(0.215, 0.61, 0.355, 1);
    filter: contrast(100%) brightness(90%);
}
.img-container:hover img {
    transform: scale(1.03);
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 1.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.serif-italic {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-weight: 300;
}

.vertical-text {
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

.hero-bold {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    letter-spacing: 0.02em;
}

/* Mobile Menu */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-backdrop {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 30px;
    cursor: pointer;
}

.mobile-menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: calc(100% - 30px);
    max-width: 400px;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    z-index: 101;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 100px 32px 40px;
    display: flex;
    flex-direction: column;
}

.mobile-menu-panel.active {
    transform: translateX(0);
}

.mobile-menu-close {
    position: absolute;
    top: 32px;
    right: 32px;
    color: white;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s ease;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: transparent;
    border: none;
}

.mobile-menu-close:hover {
    opacity: 1;
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-menu-nav a {
    color: white;
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.9;
    transition: opacity 0.2s ease;
    padding: 16px 0;
    line-height: 1.5;
    display: flex;
    align-items: center;
    min-height: 44px;
}

.mobile-menu-nav a:hover {
    opacity: 1;
}

/* Capital Amount Styling */
.capital-amount {
    font-size: 1.3em;
    vertical-align: baseline;
}

/* Logo Styling */
.logo-main {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--intl-navy);
    transition: all 0.3s ease;
}

@media (min-width: 768px) {
    .logo-main {
        font-size: 1.5rem;
    }
}

.logo-subtitle {
    font-size: 70%;
    color: var(--intl-gold);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-top: 0.25rem;
}