/* ===== RED28 MOBILE STYLES (max-width: 768px) ===== */

/* Header */

.header {
    padding: 1.5rem;
}

.hamburger {
    width: 26px;
    height: 20px;
}

.header-nav {
    display: none;
}

.header-reserve {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.side-menu-panel {
    width: 85vw;
    left: -85vw;
}

.side-menu.open .side-menu-panel {
    left: 0;
}

.hero {
    height: 85vh;
}

.hero-logo {
    width: 400px;
}

.hero-date {
    font-size: 1.5rem;
    margin-top: 2rem;
}

.hero-notice {
    font-size: 0.85rem;
}

.concept-bold {
    padding: 8rem 1.5rem;
}

.concept-bold h2 {
    font-weight: 900;
    font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
}

.concept-bold h2.animate {
    animation: conceptFloat 4s ease-in-out 1.5s infinite;
}

/* ===== ROOM SECTION ===== */
.room-gallery {
    padding: 5rem 0;
    position: relative;
    background: white;
}

.room-gallery-content {
    position: relative;
    background: transparent;
    padding: 0;
}

.room-slider-indicators {
    display: none;
}

.room-gallery-text {
    margin-bottom: 3rem;
    padding: 0 1.5rem;
}

.room-gallery-text h3 {
    margin-bottom: 0.5rem;
}

.diagonal-text h3 {
    margin-bottom: 1rem;
}

.facility-info {
    margin-top: 2rem;
    gap: 2rem;
}

.info-time {
    font-size: 1.3rem;
}

.info-desc {
    font-size: 0.7rem;
}

.price-item .info-time {
    font-size: 1.6rem;
}

.room-gallery-images {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 0 1.5rem;
    margin: 0;
    width: 100%;
    background: transparent;
}

.room-image-large {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.room-image-large.animate {
    opacity: 1;
    transform: translateX(0);
}

.room-image-small {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s;
}

.room-image-small.animate {
    opacity: 1;
    transform: translateX(0);
}

.room-image-large img,
.room-image-small img {
    transform: none !important;
    animation: none !important;
    width: 100%;
    height: auto;
}

.room-label {
    bottom: 1rem;
    left: 1rem;
    padding: 0.6rem 1rem;
    opacity: 1;
    transform: translateY(0);
    gap: 0.2rem;
}

.room-title {
    font-size: 0.75rem;
}

.room-details {
    font-size: 0.65rem;
}

/* ===== LOUNGE & GAME SECTIONS ===== */
.diagonal-section {
    clip-path: none;
    margin: 0;
    min-height: auto;
}

.diagonal-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 4rem 1.5rem;
}

.diagonal-section:not(.reverse) .diagonal-content {
    gap: 0.5rem;
    padding: 4rem 0 3rem 0;
}

.diagonal-section.reverse .diagonal-content {
    gap: 2rem;
    padding: 0 !important;
    overflow: visible !important;
    direction: ltr;
    display: block !important;
    max-width: none !important;
    width: 100% !important;
}

.diagonal-section:not(.reverse) .diagonal-image {
    transform: rotate(0) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    margin: 1rem 0;
    width: 100%;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px) !important;
    transition: opacity 1s ease, transform 1s ease !important;
    position: relative;
    border: none;
}

.diagonal-section:not(.reverse) .diagonal-image.animate {
    opacity: 1;
    transform: translateY(0) !important;
}

.diagonal-section:not(.reverse) .diagonal-image img {
    animation: none !important;
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

/* モバイル版: ゲームセクション全体の設定 */
#game.diagonal-section.reverse {
    padding: 0 !important;
    overflow: hidden !important;
}

#game .diagonal-content {
    display: flex !important;
    flex-direction: column !important;
    padding: 0 !important;
    gap: 0 !important;
    max-width: none !important;
    width: 100% !important;
}

#game .diagonal-image {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    overflow: hidden !important;
    transform: none !important;
}

#game .diagonal-image picture {
    width: 100% !important;
    display: block !important;
}

#game .diagonal-image img {
    width: 100% !important;
    height: auto !important;
    max-width: none !important;
    display: block !important;
    object-fit: cover !important;
}

#game .diagonal-text {
    padding: 2rem 1.5rem !important;
    width: 100% !important;
}

.diagonal-image img {
    animation: none !important;
}

.diagonal-text {
    padding: 1rem;
}

.diagonal-section:not(.reverse) .diagonal-text {
    padding: 1rem 1.5rem;
    text-align: center;
}

.diagonal-section:not(.reverse) .diagonal-text .facility-info {
    justify-content: center;
}

.diagonal-section:not(.reverse) .diagonal-text .info-item {
    align-items: center;
    text-align: center;
}

.diagonal-section.reverse .diagonal-text {
    display: block;
    flex-direction: initial;
    align-items: initial;
    padding: 2rem 1.5rem 3rem 1.5rem;
    text-align: center;
}

.diagonal-section.reverse .diagonal-text h3 {
    margin-bottom: 0.5rem;
    text-align: center;
    width: auto;
    max-width: none;
}

.diagonal-section.reverse .diagonal-text p {
    text-align: center;
    max-width: none;
}

.color-block {
    padding: 6rem 1.5rem;
}

.final-cta {
    min-height: auto;
    padding: 4rem 1.5rem 5rem 1.5rem;
    gap: 1rem;
}

.final-cta-logo {
    width: 250px;
}

.final-cta-catchphrase {
    font-size: 1rem;
    line-height: 1.8;
}

.final-cta-button {
    padding: 1rem 2.5rem;
    font-size: 0.95rem;
    margin-top: 1.5rem;
}

.final-cta-contact {
    margin-top: 2rem;
}

.final-cta-tel-label {
    font-size: 0.8rem;
}

.final-cta-tel {
    font-size: 1.6rem;
}

.final-cta-hours {
    font-size: 0.75rem;
}

footer {
    padding: 2.5rem 0 1rem 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 1.5rem;
    padding: 0 1.5rem;
}

.footer-top > div {
    padding: 0;
    border: none;
    margin-bottom: 1.8rem;
}

.footer-top > div:nth-child(1) {
    grid-column: 1 / -1;
    margin-bottom: 1.5rem;
}

.footer-info-section {
    grid-column: 1 / -1 !important;
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 0 1.5rem !important;
    margin-bottom: 1.8rem !important;
    margin-top: 1rem !important;
    padding: 0 !important;
    border: none !important;
}

.footer-info-section .footer-top-column {
    gap: 0.4rem;
}

.f-title {
    font-size: 0.7rem;
    margin-bottom: 0.5rem;
    opacity: 0.6;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-top-column {
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.footer-top-column:last-child {
    margin-bottom: 0;
}

.footer-top-column p {
    font-size: 0.7rem;
    margin-bottom: 0.3rem;
    padding-left: 0;
}

.footer-top-column a {
    font-size: 0.65rem;
    padding: 0;
    margin: 0 0 0.15rem 0;
    opacity: 0.7;
    display: block;
    line-height: 1.4;
}

.footer-top a {
    padding: 0;
    margin: 0;
}

.footer-top * {
    padding-left: 0;
    margin-left: 0;
}

.ft-flex {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 0;
}

.ft-flex * {
    padding-left: 0;
    margin-left: 0;
}

.ft-flex-title {
    font-size: 0.7rem;
    opacity: 0.6;
    margin-bottom: 0.3rem;
    padding: 0;
}

.ft-flex-column {
    gap: 1rem;
    padding: 0;
}

.ft-flex-column * {
    padding-left: 0;
    margin-left: 0;
}

.ft-flex-column .footer-top-column {
    margin-bottom: 0;
}

.footer-bottom {
    margin-top: 2rem;
    padding-top: 0;
    border-top: none;
}

.footer-bottom-content {
    display: flex;
    flex-direction: column;
    text-align: center;
    padding: 0 1.5rem;
}

.fb-line {
    display: none;
}

.fb-tel {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.fb-tel-title {
    display: none;
}

.fb-l-title {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-bottom: 0.3rem;
}

.fb-tel a {
    font-size: 1.6rem;
    display: block;
    margin: 0.5rem 0;
    text-decoration: none;
    border-bottom: none;
}

.fb-tel-info {
    font-size: 0.7rem;
    opacity: 0.6;
    line-height: 1.6;
}

.fb-plan {
    display: none;
}

small {
    font-size: 0.65rem;
    margin-top: 2rem;
}

/* ===== MEETING SECTION (Mobile) ===== */
#meeting .diagonal-text h3 {
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

#meeting .diagonal-text h3 .section-subtitle {
    margin-top: 0.5rem;
    line-height: 1.2;
    display: block;
}

#meeting .diagonal-text p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.meeting-slider {
    min-height: 250px;
    position: relative;
    width: 100%;
    height: 250px;
}

.meeting-slide {
    position: absolute !important;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    display: block !important;
}

.meeting-slide.active {
    opacity: 1 !important;
    pointer-events: auto;
    z-index: 1;
}

.meeting-slide img {
    width: 100% !important;
    height: 250px !important;
    object-fit: cover;
    display: block !important;
}

.meeting-slider-indicators {
    bottom: 1rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.meeting-slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.meeting-slider-dot.active {
    background: white;
    width: 28px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.meeting-info-list {
    margin-top: 2rem;
    display: flex;
    flex-direction: row;
    gap: 0;
    justify-content: center;
    align-items: center;
}

.meeting-info-item {
    flex: 1;
    padding: 1rem;
    border-bottom: none;
    text-align: center;
}

.meeting-info-item:first-child {
    border-right: 1px solid #d0d0d0;
}

.meeting-info-item:last-child {
    border-bottom: none;
    padding-bottom: 1rem;
}

/* ===== PRICING SECTION (Mobile) ===== */
.pricing-section-center {
    padding: 3rem 1.5rem;
}

.pricing-center-content {
    min-height: auto;
}

.pricing-subtitle {
    margin-bottom: 1rem;
}

.onsen-slider-wrapper {
    position: relative;
    width: 100%;
    margin-top: 2rem;
}

.onsen-images-grid {
    position: relative !important;
    width: 100% !important;
    height: 200px !important;
    top: auto !important;
    right: auto !important;
}

.cascade-photo {
    position: absolute !important;
    width: 100% !important;
    height: 200px !important;
    left: 0 !important;
    right: auto !important;
    top: 0 !important;
    margin-bottom: 0;
    opacity: 0 !important;
    transition: opacity 0.5s ease;
    animation: none !important;
    transform: none !important;
}

.cascade-photo.active {
    opacity: 1 !important;
}

.cascade-photo:nth-child(n+3) {
    display: none;
}

.cascade-photo img {
    width: 100% !important;
    height: 200px !important;
    object-fit: cover !important;
}

.onsen-slider-indicators {
    bottom: 1rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.onsen-slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.onsen-slider-dot.active {
    background: white;
    width: 24px;
    border-radius: 4px;
}

.pricing-subtitle {
    margin-bottom: 1.5rem;
}

.pricing-info-text {
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-size: 0.8rem;
}

.check-time-pc {
    display: none;
}

.check-time-mobile {
    display: inline;
}

.pricing-plans-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.room-detail-card {
    padding: 1rem;
}

.room-title-header {
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
    padding-bottom: 0.5rem;
}

.room-specs-pc {
    display: none;
}

.room-specs-mobile {
    display: block;
}

.room-specs-text {
    font-size: 0.75rem;
    line-height: 1.6;
}

.room-price-row {
    margin-top: 0.8rem;
    padding-top: 0.7rem;
}

.room-nights {
    font-size: 0.75rem;
}

.room-price {
    font-size: 1.2rem;
}

.pricing-option-note {
    font-size: 0.75rem;
    margin-bottom: 1rem;
}

/* Benefits Section Mobile */
.benefits-section {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.benefit-card {
    padding: 1.2rem 1rem;
    border-width: 2px;
}

.benefit-card-title {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}

.benefit-list {
    grid-template-columns: 1fr;
    gap: 0.4rem;
}

.benefit-item {
    font-size: 0.8rem;
    padding: 0.3rem 0.5rem;
    padding-left: 1.2rem;
    text-align: left;
    line-height: 1.4;
}

.benefit-item::before {
    font-size: 0.9rem;
    top: 0.3rem;
    left: 0.1rem;
}

.benefit-br {
    display: inline;
}

.pricing-cta-button {
    padding: 0.9rem 2.2rem;
    font-size: 0.9rem;
    margin-top: 1.5rem;
}

.onsen-images-grid {
    position: relative;
    height: 250px;
    margin-top: 2rem;
}

.onsen-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.onsen-image-item {
    position: absolute !important;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100%;
    opacity: 0;
    transform: none !important;
    animation: none !important;
    transition: opacity 0.5s ease;
}

.onsen-image-item.active {
    opacity: 1;
}

.onsen-image-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.pricing-section-center.animate .onsen-image-item:first-child,
.pricing-section-center.animate .onsen-image-item:last-child {
    animation: none !important;
}

.onsen-slider-indicators {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.onsen-slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.onsen-slider-dot.active {
    background: white;
    width: 28px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.pricing-section-old {
    padding: 5rem 1.5rem;
}

.pricing-content h2 {
    margin-bottom: 2.5rem;
}

.pricing-info-cards {
    flex-direction: row;
    gap: 1rem;
    margin-bottom: 3rem;
}

.info-card {
    padding: 1.2rem 1.8rem;
}

.info-label {
    font-size: 0.7rem;
}

.info-value {
    font-size: 1.5rem;
}

.pricing-tables-wrapper {
    gap: 2rem;
}

.plan-title-bar {
    padding: 1.2rem 1.5rem;
    flex-direction: column;
    align-items: flex-start;
}

.plan-title-bar h3 {
    font-size: 1.3rem;
}

.plan-badge-mini {
    font-size: 0.7rem;
}

.breakfast-highlight {
    padding: 0.8rem 1.5rem;
}

.breakfast-highlight p {
    font-size: 0.85rem;
}

.pricing-table-compact thead th {
    font-size: 0.75rem;
    padding: 1rem 0.8rem;
}

.pricing-table-compact td {
    font-size: 0.85rem;
    padding: 1.1rem 0.8rem;
}

.price-cell {
    font-size: 1rem !important;
}

.contact-cell {
    font-size: 0.8rem !important;
}

.onsen-info {
    padding: 1.5rem 1.8rem;
}

.onsen-info h4 {
    font-size: 1rem;
}

.onsen-info p {
    font-size: 0.85rem;
}

.pricing-notes-compact {
    padding: 1.2rem;
}

.pricing-notes-compact p {
    font-size: 0.8rem;
}

/* ===== MEETING GRID (Mobile) ===== */
.meeting-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
}

.meeting-images {
    grid-template-columns: 1fr;
    gap: 1rem;
}

/* ===== FINAL CTA (Mobile) ===== */
.final-cta {
    clip-path: polygon(0 2%, 100% 0, 100% 100%, 0 100%);
    margin-top: -2vh;
}

/* ===== SECTION SUBTITLE (Mobile) ===== */
.section-subtitle {
    font-size: 1.2rem;
    margin-top: -0.6rem;
    font-weight: 700;
    color: var(--base-dark);
    line-height: 1;
}

/* ===== BODY TEXT ANIMATIONS (Mobile) ===== */
.diagonal-text p,
.concept-text p,
.facility-info {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.diagonal-section.animate .diagonal-text p,
.concept-bold.animate p,
.diagonal-section.animate .facility-info {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}



/* ===== ONSEN GALLERY (Mobile) ===== */
.onsen-gallery {
    padding: 3rem 0 3rem 0;
}

.onsen-gallery-content {
    padding: 0 1.5rem 3rem 1.5rem;
}

.onsen-gallery h2 {
    font-size: 2.5rem;
    margin-bottom: 0;
}

.onsen-subtitle {
    font-size: 1.2rem;
    margin-top: 0.3rem;
    margin-bottom: 1.5rem;
}

.onsen-description {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 0;
}

.onsen-gallery .swiper {
    padding: 0 1rem;
    width: 100%;
}

.onsen-gallery .slide::after {
    content: '';
    display: block;
    padding-bottom: 100%;
}

.onsen-gallery .slide img {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center !important;
}

.onsen-gallery .swiper-button-prev,
.onsen-gallery .swiper-button-next {
    width: 4rem;
    height: 4rem;
}

.onsen-gallery .swiper-button-prev {
    left: 0.5rem;
}

.onsen-gallery .swiper-button-next {
    right: 0.5rem;
}

.onsen-desc-pc {
    display: none;
}

.onsen-desc-mobile {
    display: inline;
}