/* assets/css/style.css - Updated Design */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&family=Oswald:wght@400;500;600;700&display=swap');

:root {
    --color-primary: #c87a53;
    --color-text: #444444;
    --color-bg: #fcfaf5;
    --color-white: #ffffff;
    --color-accent: #DA6F31;
    --color-brown: #444444;
    --color-green: #E09B6B;
    --color-yellow: #DA6F31;
    --color-gray-light: #e5e7eb;
    --transition-base: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Reset & Base */
*,
*:before,
*:after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.8;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-base);
}

/* Layout */
.container,
.l-container {
    width: 100%;
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
.h2-style {
    font-size: 32px;
    font-weight: 500;
    line-height: 42px;
    letter-spacing: 0.1em;
    color: var(--color-text);
}

@media (min-width: 768px) {
    .h2-style {
        font-size: 48px;
        line-height: 64px;
        font-weight: 500;
        letter-spacing: 0.1em;
    }
}

.h3-style {
    font-weight: 700;
    line-height: 1.5;
    font-size: 20px;
    letter-spacing: 0.05em;
    color: var(--color-primary);
}

@media (min-width: 768px) {
    .h3-style {
        font-size: 28px;
    }
}

.section-padding {
    padding-top: 60px;
    padding-bottom: 60px;
}

@media (min-width: 768px) {
    .section-padding {
        padding-top: 120px;
        padding-bottom: 120px;
    }
}

/* Animations */
.u-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.u-fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 20% center;
    animation: heroZoom 15s ease-out forwards;
}

@media (min-width: 768px) {
    .hero__bg img {
        object-position: center center;
    }
}

.hero__bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.1) 100%);
}

.hero__content {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.hero__card {
    max-width: 800px;
    color: var(--color-white);
}

.hero__logo-area {
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease-out 0.5s forwards;
}

.hero__logo-area img {
    max-height: 100px;
    filter: brightness(0) invert(1);
}

.hero__text {
    font-size: 32px;
    font-weight: 500;
    line-height: 48px;
    letter-spacing: 0.15em;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease-out 0.8s forwards;
}

@media (min-width: 768px) {
    .hero__text {
        font-size: 48px;
        font-weight: 500;
        line-height: 64px;
        letter-spacing: 0.15em;
    }
}

@keyframes heroZoom {
    from {
        transform: scale(1.1);
    }

    to {
        transform: scale(1);
    }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Concept Section */
.concept {
    padding: 60px 0;
    background-color: var(--color-white);
    position: relative;
    overflow: hidden;
}



@media (min-width: 768px) {
    .concept {
        padding: 120px 0;
    }
}

.concept__inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    gap: 60px;
}

@media (min-width: 768px) {
    .concept__inner {
        flex-direction: row;
        align-items: center;
        gap: 60px;
    }
}

.concept__img-box {
    width: 100%;
    position: relative;
}

@media (min-width: 768px) {
    .concept__img-box {
        width: 55%;
        flex: 0 0 55%;
    }
}



.concept__main-img {
    width: 100%;
}

.concept__content {
    width: 100%;
}

@media (min-width: 768px) {
    .concept__content {
        width: 45%;
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
}

.concept__desc {
    color: var(--color-text);
    font-size: 15px;
    line-height: 2;
    padding-top: 0;
}

@media (min-width: 768px) {
    .concept__desc {
        font-size: 16px;
        padding-top: 40px;
    }
}

.concept__price-box {
    padding: 0 0 40px;
    margin-top: 40px;
}

@media (min-width: 768px) {
    .concept__price-box {
        margin-top: auto;
        padding: 40px 0;
    }
}

.concept__price-box:empty {
    display: none;
}

.concept__price {
    color: #444444;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    font-size: 36px;
    display: block;
}

.concept__price span {
    font-size: 18px;
    margin-left: 8px;
    color: var(--color-text);
}

.concept__note {
    font-size: 13px;
    color: #888;
    margin-top: 16px;
}

/* Features Section */
.features {
    padding: 60px 0;
    background-color: #2b2b2b;
    position: relative;
}

@media (min-width: 768px) {
    .features {
        padding: 120px 0;
    }
}

.features__inner {
    width: 100%;
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 24px;
}

.features__header {
    text-align: center;
    margin-bottom: 80px;
}

.features__header .h2-style {
    color: var(--color-white);
}

.features__list {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

@media (min-width: 768px) {
    .features__list {
        gap: 100px;
    }
}

.features__item {
    position: relative;
}

.features__card {
    padding: 0 20px;
    position: relative;
}

@media (min-width: 768px) {
    .features__card {
        padding: 0 60px;
    }
}

.features__grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

@media (min-width: 768px) {
    .features__grid {
        flex-direction: row;
        gap: 60px;
    }
}

.features__body {
    flex: 1;
    text-align: left;
    width: 100%;
}

@media (min-width: 768px) {
    .features__body {
        text-align: left;
    }
}

.features__number {
    position: relative;
    top: 0;
    left: 0;
    width: auto;
    height: auto;
    background-color: transparent;
    color: var(--color-white);
    display: block;
    padding-right: 0;
    font-family: 'Helvetica Neue', sans-serif;
    font-weight: 500;
    font-size: 60px;
    line-height: 1;
    margin-bottom: 5px;
    opacity: 1;
    z-index: 10;
}

@media (min-width: 768px) {
    .features__number {
        top: 0;
        left: 0;
        width: auto;
        height: auto;
        font-size: 100px;
        padding-right: 0;
        margin-bottom: 10px;
    }
}

.features__title {
    margin-top: 0;
    margin-bottom: 24px;
    color: var(--color-white);
    font-size: 20px;
    font-weight: 500;
    line-height: 36px;
    letter-spacing: 0.1em;
}

@media (min-width: 768px) {
    .features__title {
        margin-top: 0;
        font-size: 26px;
        font-weight: 600;
        line-height: 38px;
    }
}

.features__desc {
    color: var(--color-white);
    font-weight: 500;
    font-size: 14px;
    line-height: 22px;
    letter-spacing: 0.1em;
}

@media (min-width: 768px) {
    .features__desc {
        font-size: 16px;
    }
}

.features__img {
    flex: 1;
    width: 100%;
    position: relative;
}

.features__img img {
    width: 100%;
    transition: transform 0.6s ease;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.1);
}

.features__item:nth-child(3) .features__img img {
    mix-blend-mode: lighten;
}

.features__img--overlap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

@media (min-width: 768px) {
    .features__img--overlap {
        min-height: 400px;
    }
}

.features__img--overlap img {
    position: absolute;
    object-fit: cover;
}

.features__img--overlap .img-a {
    width: 50%;
    aspect-ratio: 3 / 4;
    top: 0;
    left: 0;
    z-index: 2;
}

.features__img--overlap .img-b {
    width: 75%;
    aspect-ratio: 3 / 2;
    bottom: 0;
    right: 0;
    z-index: 1;
}

/* Gallery Section */
.gallery {
    padding-top: 0;
    padding-bottom: 60px;
    background: var(--color-white);
    overflow: hidden;
}

@media (min-width: 768px) {
    .gallery {
        padding-top: 0;
        padding-bottom: 120px;
    }
}

.gallery__header {
    width: 100%;
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
    margin-bottom: 60px;
}

.gallery__title-wrap {
    display: inline-block;
    padding-bottom: 20px;
}

.gallery__slider {
    position: relative;
    width: 100%;
    display: flex;
    overflow: hidden;
    margin-bottom: 30px;
}

.gallery__track {
    display: flex;
    width: max-content;
    animation: marquee 120s linear infinite;
}

.gallery__track--reverse {
    animation-name: marquee-reverse;
}

.gallery__item {
    width: 240px;
    height: 160px;
    padding: 0 15px;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .gallery__item {
        width: 360px;
        height: 240px;
    }
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.1);
    transition: filter 0.5s ease;
}

.gallery__item img:hover {
    filter: brightness(1.05);
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

@keyframes marquee-reverse {
    0% {
        transform: translateX(-50%);
    }

    100% {
        transform: translateX(0);
    }
}

/* Interior Section */
.interior {
    padding: 60px 0;
    background: var(--color-bg);
    overflow: hidden;
}

@media (min-width: 768px) {
    .interior {
        padding: 120px 0;
    }
}

.interior__inner {
    width: 100%;
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 24px;
}

.interior__header {
    text-align: center;
    margin-bottom: 64px;
}

.interior__desc {
    max-width: 48rem;
    margin: 0 auto 60px;
    color: var(--color-brown);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.8;
    letter-spacing: 0.1em;
    text-align: center;
}

@media (min-width: 768px) {
    .interior__desc {
        font-size: 16px;
    }
}

.interior__tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.interior__note {
    font-size: 12px;
    color: var(--color-text);
    text-align: right;
    margin-bottom: 48px;
    margin-top: 0;
}

@media (min-width: 768px) {
    .interior__tabs {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
}

.interior__tab {
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    border: none;
    background: none;
    cursor: pointer;
    padding: 0;
    aspect-ratio: 4 / 3;
    width: 100%;
}

.interior__tab.is-active {
    box-shadow: 0 4px 0 0 var(--color-accent);
    z-index: 10;
}

.interior__tab:not(.is-active) {
    opacity: 0.8;
    filter: grayscale(100%);
}

.interior__tab:not(.is-active):hover {
    opacity: 1;
    filter: grayscale(0);
}

.interior__tab img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.interior__tab-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
}

.interior__tab-overlay span {
    color: #fff;
    font-weight: bold;
    letter-spacing: 0.1em;
    font-size: 12px;
}

@media (min-width: 768px) {
    .interior__tab-overlay span {
        font-size: 14px;
    }
}

.interior__content {
    animation: fadeIn 1s ease-out forwards;
    background: transparent;
    padding: 24px;
}

@media (min-width: 768px) {
    .interior__content {
        padding: 80px;
    }
}

.interior__content-title {
    text-align: center;
    margin-bottom: 48px;
}

.interior__content-title h3 {
    font-weight: 700;
    line-height: 1.5;
    font-size: 20px;
    letter-spacing: 0.05em;
    color: var(--color-brown);
    display: inline-block;
    position: relative;
}

@media (min-width: 768px) {
    .interior__content-title h3 {
        font-size: 28px;
    }
}

.interior__content-title h3::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(254, 228, 64, 0.3);
    transform: rotate(-1deg);
}

.interior__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .interior__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 40px;
    }
}

.interior__grid-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.interior__item-img {
    position: relative;
    overflow: hidden;
    margin-bottom: 16px;
    background: #f3f4f6;
    border: 2px solid transparent;
    transition: all 0.3s;
    aspect-ratio: 3 / 2;
    width: 100%;
}

/* .interior__item-img.is-link:hover {
    border-color: var(--color-primary);
} */

.interior__item-img.is-link:hover .interior__item-overlay {
    background: rgba(0, 0, 0, 0.6);
}


.interior__item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.2);
    transition: background 0.3s ease;
    pointer-events: none;
    z-index: 5;
}

.interior__item-overlay span {
    color: #fff;
    border: 1px solid #fff;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-align: center;
}

.interior__item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.interior__item-text {
    font-size: 14px;
    font-weight: 500;
    text-align: left;
    color: var(--color-brown);
    letter-spacing: 0.1em;
}

@media (min-width: 768px) {
    .interior__item-text {
        font-size: 16px;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Planview Section */
.planview {
    padding: 60px 0;
    background: var(--color-white);
}

@media (min-width: 768px) {
    .planview {
        padding: 120px 0;
    }
}

.planview__inner {
    width: 100%;
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 24px;
}

.planview__header {
    text-align: center;
    margin-bottom: 80px;
}

.planview__desc {
    max-width: 800px;
    margin: 40px auto 0;
    font-size: 15px;
    line-height: 2;
    color: var(--color-text);
}

.planview__card {
    background: var(--color-bg);
    padding: 40px;
    position: relative;
}

@media (min-width: 768px) {
    .planview__card {
        padding: 100px;
    }
}



.planview__main-img {
    width: 100%;
    position: relative;
    z-index: 10;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

.planview__footer {
    margin-top: 60px;
    text-align: center;
}

.planview__footer p {
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--color-primary);
}

.planview__line {
    width: 40px;
    height: 2px;
    background: var(--color-primary);
    margin: 20px auto 0;
}