body {
    font-family: "Noto Sans JP", sans-serif;
    background-color: #FFFFFF;
    color: #2C3E2D;
    overflow-x: hidden;
    scroll-behavior: smooth;
}
h1, h2, h3, .font-serif {
    font-family: "Noto Serif JP", serif;
}

@keyframes float {
    0% { transform: translateY(0px) translateX(0px); opacity: 0.6; }
    50% { transform: translateY(-15px) translateX(5px); opacity: 0.9; }
    100% { transform: translateY(0px) translateX(0px); opacity: 0.6; }
}
.bubble {
    position: absolute;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: #667B67;
    background: rgba(232, 243, 232, 0.7);
    border: 1px solid rgba(212, 175, 55, 0.2);
    animation: float 6s ease-in-out infinite;
    backdrop-filter: blur(2px);
}
.bubble-1 { width: 60px; height: 60px; top: 15%; left: 5%; animation-delay: 0s; }
.bubble-2 { width: 80px; height: 80px; top: 40%; right: 5%; animation-delay: 2s; }
.bubble-3 { width: 55px; height: 55px; bottom: 20%; left: 10%; animation-delay: 4s; }

@media (min-width: 768px) {
    .bubble-1 { width: 80px; height: 80px; top: 20%; left: 10%; }
    .bubble-2 { width: 100px; height: 100px; top: 50%; right: 15%; }
    .bubble-3 { width: 70px; height: 70px; bottom: 15%; left: 20%; font-size: 0.75rem;}
}

.wabi-line-v {
    width: 1px;
    background-color: #D4AF37;
    height: 40px;
    margin: 0 auto;
    opacity: 0.5;
}
@media (min-width: 768px) {
    .wabi-line-v { height: 60px; }
}

.gold-diagonal {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, rgba(212, 175, 55, 0.15) 100%);
    transform: skewX(0deg);
    z-index: 0;
}
@media (min-width: 768px) {
    .gold-diagonal {
        width: 50%;
        transform: skewX(-20deg) translateX(20%);
        background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, rgba(212, 175, 55, 0.2) 100%);
    }
}

.soft-edge-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
}
@media (min-width: 768px) {
    .soft-edge-container { border-radius: 20px; }
}
.soft-edge-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    box-shadow: inset 0 0 20px 10px #E8F3E8;
    pointer-events: none;
}
@media (min-width: 768px) {
    .soft-edge-overlay { box-shadow: inset 0 0 40px 20px #E8F3E8; }
}

.fade-in {
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.washi-bg {
    background-color: #FAFAFA;
    background-image: radial-gradient(#E8F3E8 1px, transparent 1px);
    background-size: 16px 16px;
}
@media (min-width: 768px) {
    .washi-bg { background-size: 20px 20px; }
}

.review-slider-container {
    -ms-overflow-style: none;
    scrollbar-width: none;
    scroll-snap-type: x mandatory;
    overscroll-behavior-x: contain;
    scroll-padding-inline: 0.5rem;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    cursor: grab;
}
.review-slider-container::-webkit-scrollbar {
    display: none;
}
.review-slider-container.is-dragging {
    scroll-snap-type: none;
    cursor: grabbing;
    user-select: none;
}

.review-slide {
    scroll-snap-align: center;
    scroll-snap-stop: always;
}

.slider-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 9999px;
    border: 0;
    padding: 0;
    cursor: pointer;
    flex-shrink: 0;
    background-color: #d1d5db;
    transition: background-color 0.25s ease, transform 0.25s ease;
}
.slider-dot.active {
    background-color: #D4AF37;
    transform: scale(1.2);
}

/* CTA: hàng ảnh cuộn ngang, kéo được */
.cta-strip {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    touch-action: pan-x;
}
.cta-strip::-webkit-scrollbar {
    display: none;
}
.cta-strip.is-dragging {
    scroll-snap-type: none;
    cursor: grabbing;
    user-select: none;
}

.faq-answer-wrapper {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s ease-out;
}
.faq-item.active .faq-answer-wrapper {
    grid-template-rows: 1fr;
}
.faq-answer-inner {
    overflow: hidden;
}
.faq-icon {
    transition: transform 0.3s ease;
}
.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.nav-logo-btn {
    background: none;
    border: 0;
    padding: 0;
    cursor: pointer;
    font: inherit;
    color: inherit;
    text-align: left;
}
.nav-logo-btn:focus-visible {
    outline: 2px solid #D4AF37;
    outline-offset: 4px;
}

.back-to-top {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 40;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 9999px;
    border: 1px solid rgba(212, 175, 55, 0.45);
    background: rgba(255, 255, 255, 0.95);
    color: #2C3E2D;
    box-shadow: 0 4px 14px rgba(44, 62, 45, 0.12);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease, background-color 0.2s ease;
}
.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: #E8F3E8;
}
.back-to-top:focus-visible {
    outline: 2px solid #D4AF37;
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    body { scroll-behavior: auto; }
    .fade-in {
        transition: none;
    }
    .back-to-top {
        transition: none;
    }
}