@charset "utf-8";

/* ==========================================================================
   Reset & Base（他ページと統一）
   ========================================================================== */
*,
*:before,
*:after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: "Noto Sans JP", "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    color: #444444;
    line-height: 1.6;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Utilities */
.u-hidden-sm {
    display: none;
}

@media (min-width: 768px) {
    .u-hidden-sm {
        display: block;
    }
}

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

/* ヘッダー・フッター：他ページと同様の余白（0ldk固有の上書き） */
.l-header__inner.l-container,
.l-footer__inner.l-container {
    padding-left: 24px !important;
    padding-right: 24px !important;
}

@media (max-width: 767px) {
    .l-header__inner.l-container,
    .l-footer__inner.l-container {
        padding-left: max(24px, env(safe-area-inset-left, 0px)) !important;
        padding-right: max(24px, env(safe-area-inset-right, 0px)) !important;
    }
}

/* ==========================================================================
   Components
   ========================================================================== */
/* Hero Section */
.hero {
    position: relative;
    height: 95vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0.2);
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.6), transparent, transparent);
}

.hero__content {
    position: relative;
    z-index: 10;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    text-align: left;
}

.hero__logo {
    margin-bottom: 40px;
}

.hero__logo-img {
    height: 60px;
    width: auto;
}

@media (min-width: 768px) {
    .hero__logo-img {
        height: 80px;
    }
}

.hero__title {
    font-size: 42px;
    font-weight: 600;
    line-height: 64px;
    letter-spacing: 0.15em;
    color: #fff;
    margin-bottom: 40px;
}

@media (min-width: 768px) {
    .hero__title {
        font-size: 48px;
        line-height: 64px;
    }
}

.hero__subtitle {
    font-size: 16px;
    font-weight: 600;
    line-height: 32px;
    letter-spacing: 0.15em;
    color: #fff;
}

@media (min-width: 768px) {
    .hero__subtitle {
        font-size: 32px;
        line-height: 72px;
    }
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    right: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    color: rgba(255, 255, 255, 0.8);
    z-index: 10;
}

@media (min-width: 768px) {
    .hero__scroll {
        right: 40px;
    }
}

.hero__scroll-bar {
    width: 1px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.hero__scroll-indicator {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    animation: scroll-down 2s infinite;
}

.hero__scroll-text {
    font-size: 10px;
    letter-spacing: 0.2em;
    font-weight: 500;
    text-transform: uppercase;
    writing-mode: vertical-rl;
}



/* Concept Section */
.concept {
    padding: 60px 0;
    background-color: #fff;
}

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

.concept__inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    position: relative;
}


.concept__content {
    max-width: 896px;
    /* max-w-4xl */
    margin: 0 auto;
}

.concept__title {
    font-size: 40px;
    font-weight: 600;
    line-height: 60px;
    color: #444444;
    font-family: "Noto Serif JP", serif;
    margin-top: 0;
    margin-bottom: 32px;
    letter-spacing: 0.15em;
}

@media (min-width: 768px) {
    .concept__title {
        font-size: 48px;
        line-height: 64px;
        margin-bottom: 64px;
    }
}

.concept__desc-wrapper {
    max-width: 672px;
    /* max-w-2xl */
    margin: 0 auto;
}

.concept__desc {
    color: #444444;
    /* gray-500 */
    font-size: 14px;
    line-height: 26px;
    font-weight: 600;
    letter-spacing: 0.1em;
}

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

/* Features Section */
.features {
    padding: 60px 0;
    background-color: #f9fafb;
}

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

.features__inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

@media (min-width: 768px) {
    .features__inner {
        padding: 0 40px;
    }
}

@media (min-width: 1240px) {
    .features__inner {
        padding: 0 20px;
    }
}

.features__header {
    text-align: center;
    margin-bottom: 32px;
}

@media (min-width: 768px) {
    .features__header {
        margin-bottom: 60px;
    }
}

.features__title {
    font-size: 32px;
    font-weight: 500;
    color: #444444;
    letter-spacing: 0.1em;
    line-height: 42px;
    margin-top: 0;
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .features__title {
        font-size: 48px;
        line-height: 64px;
    }
}

.features__list {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

@media (min-width: 768px) {
    .features__list {
        gap: 120px;
    }
}

.section-title {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.4em;
    color: #444444;
    text-transform: uppercase;
    margin-bottom: 8px;
    display: block;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

@media (min-width: 768px) {
    .feature {
        flex-direction: row;
        align-items: center;
        gap: 40px;
    }

    .feature:nth-child(even) {
        flex-direction: row-reverse;
    }
}

.feature__media {
    width: 100%;
    position: relative;
    margin-bottom: 24px;
}

@media (min-width: 768px) {
    .feature__media {
        width: calc(50% - 20px);
        margin-left: 0;
        margin-bottom: 0;
    }
}

.feature__number {
    position: absolute;
    left: 0;
    bottom: 2%;
    z-index: 20;
    pointer-events: none;
    font-size: 6rem;
    font-weight: 900;
    color: #444444;
    line-height: 1;
    letter-spacing: -0.05em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.feature:nth-child(even) .feature__number {
    left: auto;
    right: 0;
}

@media (min-width: 768px) {
    .feature__number {
        font-size: 10rem;
        left: -10%;
        bottom: 4%;
    }

    .feature:nth-child(even) .feature__number {
        left: auto;
        right: -10%;
    }
}

@media (min-width: 1024px) {
    .feature {
        gap: 64px;
    }

    .feature__media {
        width: calc(50% - 32px);
    }
}

@media (min-width: 1240px) {
    .feature__number {
        font-size: 12rem;
        left: -15%;
    }

    .feature:nth-child(even) .feature__number {
        left: auto;
        right: -15%;
    }
}

.feature__img-wrapper {
    width: 100%;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    z-index: 10;
    border: 1px solid #f3f4f6;
}

@media (min-width: 768px) {}

.feature__img {
    width: 100%;
    aspect-ratio: 16/11;
    object-fit: cover;
    filter: grayscale(0.3);
}

@media (min-width: 768px) {
    .feature__img {
        aspect-ratio: 16/10;
    }
}


.feature__content {
    width: 100%;
    text-align: left;
}

@media (min-width: 768px) {
    .feature__content {
        width: calc(50% - 20px);
    }
}

@media (min-width: 1024px) {
    .feature__content {
        width: calc(50% - 32px);
    }
}

.feature__subtitle {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 24px;
    color: #444444;
    line-height: 38px;
    letter-spacing: 0.1em;
}

@media (min-width: 768px) {
    .feature__subtitle {
        font-size: 36px;
        line-height: 48px;
    }
}

.feature__desc {
    color: #444444;
    font-size: 14px;
    line-height: 22px;
    font-weight: 600;
    letter-spacing: 0.1em;
    max-width: 48rem;
    /* max-w-3xl */
}

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

/* Recommend Section */
.recommend {
    padding: 0 0 60px;
    background-color: #fff;
    /* gray-50 */
    overflow: hidden;
}

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

.recommend__inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

.recommend__header {
    text-align: center;
    margin-bottom: 0;
}

.recommend__title {
    font-size: 32px;
    font-weight: 500;
    color: #444444;
    margin: 60px 0 32px;
    letter-spacing: 0.1em;
    line-height: 42px;
}

@media (min-width: 768px) {
    .recommend__title {
        font-size: 48px;
        line-height: 64px;
        margin-top: 120px;
        margin-bottom: 48px;
    }
}

.recommend__list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .recommend__list {
        grid-template-columns: repeat(3, 1fr);
        gap: 48px;
    }
}

.recommend-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0;
    margin: 0;
}

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



.recommend-item__icon-wrapper {
    width: 140px;
    height: 140px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    border-radius: 50%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

@media (min-width: 768px) {
    .recommend-item__icon-wrapper {
        width: 180px;
        height: 180px;
    }
}

.recommend-item__icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
    color: #444444;
    stroke-width: 1.5;
}

.recommend-item__icon[src$=".png"] {
    object-fit: cover;
    border-radius: 50%;
}

.recommend-item__header {
    margin-bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

@media (min-width: 768px) {
    .recommend-item__header {
        gap: 12px;
    }
}

.recommend-item__number {
    font-size: 20px;
    font-weight: 700;
    color: #444444;
    line-height: 1;
}

@media (min-width: 768px) {
    .recommend-item__number {
        font-size: 24px;
    }
}

.recommend-item__title-group {
    text-align: left;
}

.recommend-item__title {
    font-size: 18px;
    font-weight: 700;
    color: #444444;
    margin-top: 0;
    margin-bottom: 0;
    letter-spacing: 0.05em;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .recommend-item__title {
        font-size: 20px;
    }
}

.recommend-item__subtitle {
    font-size: 16px;
    font-weight: 600;
    color: #444444;
    margin-top: 0;
    margin-bottom: 0;
    letter-spacing: 0.05em;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .recommend-item__subtitle {
        font-size: 18px;
    }
}

.recommend-item__desc {
    color: #444444;
    font-size: 14px;
    font-weight: 600;
    line-height: 22px;
    letter-spacing: 0.1em;
    max-width: 280px;
    margin-top: 12px;
    text-align: left;
}

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

@media (min-width: 768px) {
    .recommend-item__desc {
        margin-top: 16px;
    }
}

/* Animations */
@keyframes scroll-down {
    0% {
        transform: translateY(-100%);
    }

    50% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(100%);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: .5;
    }
}

.fade-in-section {
    opacity: 0;
    transform: translateY(3rem);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

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