/* front-page.css - メインスタイル（非同期読み込み） */

/* ===========================================
   Utility
=========================================== */
.section__br--lg {
    display: none;
}

@media (min-width: 1024px) {
    .section__br--lg {
        display: block;
    }
}

/* スマホのみ改行 */
.section__br--sm {
    display: block;
}

@media (min-width: 768px) {
    .section__br--sm {
        display: none;
    }
}

/* ===========================================
   Section Base
=========================================== */
.section {
    position: relative;
    padding: var(--section-padding-y) var(--section-padding-x);
    background-color: var(--color-white);
}

.section--hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: calc(var(--section-padding-y) + var(--header-height));
}

/* ===========================================
   Section Background Text
=========================================== */
.section__bg-text {
    position: absolute;
    top: var(--gap-sm);
    left: 0;
    width: 100%;
    overflow: hidden;
    pointer-events: none;
    user-select: none;
    z-index: 0;
}

.section__bg-text-inner {
    font-family: var(--font-clash);
    font-size: 8rem;
    font-weight: 500;
    line-height: 1;
    color: var(--color-gray-200);
    white-space: nowrap;
    transition: color 1s ease-in-out;
}

@media (min-width: 768px) {
    .section__bg-text-inner {
        font-size: 10rem;
    }
}

@media (min-width: 1024px) {
    .section__bg-text-inner {
        font-size: 12rem;
    }
}

.section__bg-text-inner--active {
    color: var(--color-primary-20);
}

.section__bg-text-inner--scroll {
    display: flex;
    animation: scroll-left 40s linear infinite;
}

@keyframes scroll-left {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.section__bg-text-item {
    padding: 0 var(--gap-sm);
}

/* ===========================================
   Section Content
=========================================== */
.section__content {
    position: relative;
    z-index: 10;
}

.section__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .section__grid {
        gap: var(--grid-gap);
    }
}

@media (min-width: 1024px) {
    .section__grid {
        grid-template-columns: repeat(12, 1fr);
        gap: var(--gap-sm);
    }
}

.section__heading {
    font-family: var(--font-noto);
    font-size: 1.375rem;
    font-weight: 500;
    line-height: 1.8;
    letter-spacing: 0.1em;
}

@media (min-width: 768px) {
    .section__heading {
        font-size: 1.625rem;
    }
}

@media (min-width: 1024px) {
    .section__heading {
        font-size: 2rem;
    }
}

.section__lead {
    margin-top: 0.5rem;
    font-family: var(--font-noto);
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.8;
    letter-spacing: 0.05em;
    color: var(--color-gray-600);
}

@media (min-width: 768px) {
    .section__lead {
        font-size: 0.9375rem;
        margin-top: var(--gap-xs);
    }
}

@media (min-width: 1024px) {
    .section__lead {
        font-size: 1rem;
    }
}

.section__label {
    display: flex;
    align-items: center;
    gap: var(--gap-xs);
    margin-top: 0.5rem;
}

@media (min-width: 768px) {
    .section__label {
        margin-top: var(--gap-xs);
    }
}

.section__label-line {
    width: 3rem;
    height: 2px;
    background-color: var(--color-black);
}

.section__label-text {
    font-family: var(--font-clash);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-gray-900);
    transition: color 0.5s;
}

.section__label-text--active {
    color: var(--color-primary);
}

.section__body {
    font-size: 1rem;
    font-weight: 500;
    line-height: 2.5;
    letter-spacing: 0.05em;
}

.section__body p + p {
    margin-top: var(--gap-xs);
}

/* ===========================================
   Section CTA
=========================================== */
.section__cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 320px;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-gray-300);
    cursor: pointer;
    transition: border-color 0.3s;
}

.section__cta:hover {
    border-color: var(--color-black);
}

.section__cta-text {
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.1em;
    color: var(--color-black);
    transition: color 0.3s;
}

.section__cta:hover .section__cta-text {
    color: var(--color-primary);
}

.section__cta-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--color-black);
    transition: background-color 0.3s, transform 0.3s;
}

.section__cta:hover .section__cta-icon {
    background-color: var(--color-primary);
    transform: translateX(8px);
}

.section__cta-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-white);
}

/* ===========================================
   Section Image
=========================================== */
.section__image {
    width: 100%;
    overflow: hidden;
    line-height: 0;
    font-size: 0;
}

.section__image img {
    display: block;
    width: 100%;
    height: auto;
}

/* ===========================================
   Mission Section
=========================================== */
.mission__left {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

@media (min-width: 1024px) {
    .mission__left {
        grid-column: span 5;
    }
}

.mission__right {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding-top: var(--gap-xs);
}

@media (min-width: 1024px) {
    .mission__right {
        grid-column: 7 / -1;
    }
}

.mission__cta-wrapper {
    margin-top: 0.5rem;
}

@media (min-width: 768px) {
    .mission__cta-wrapper {
        margin-top: var(--gap-md);
    }
}

.mission__image {
    margin-top: 1rem;
}

@media (min-width: 768px) {
    .mission__image {
        margin-top: var(--gap-lg);
    }
}

@media (min-width: 1024px) {
    .mission__image {
        max-width: 70%;
    }
}

/* PC全画面用画像（見出し下に配置） */
.mission__image--lg {
    display: none;
}

@media (min-width: 1366px) {
    .mission__image--lg {
        display: block;
        margin-top: var(--gap-lg);
    }
    
    .mission__image--md {
        display: none;
    }
}

/* ===========================================
   Vision Section
=========================================== */
.vision__header {
    position: relative;
    z-index: 1;
    margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .vision__header {
        margin-bottom: var(--gap-lg);
    }
}

.vision__body-wrapper {
    position: relative;
    z-index: 1;
}

@media (min-width: 1024px) {
    .vision__body-wrapper {
        grid-column: span 6;
        padding-right: var(--gap-sm);
    }
}

.vision__bg-text-side {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    font-family: var(--font-clash);
    font-size: 6rem;
    font-weight: 500;
    line-height: 1;
    color: var(--color-gray-200);
    pointer-events: none;
    user-select: none;
    z-index: 0;
    transition: color 1s ease-in-out;
}

@media (min-width: 768px) {
    .vision__bg-text-side {
        font-size: 8rem;
    }
}

@media (min-width: 1024px) {
    .vision__bg-text-side {
        font-size: 10rem;
    }
}

.vision__bg-text-side--active {
    color: var(--color-primary-20);
}

.vision__image-wrapper {
    position: relative;
    z-index: 1;
    margin-top: 0;
}

@media (min-width: 768px) {
    .vision__image-wrapper {
        max-width: 60%;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (min-width: 1024px) {
    .vision__image-wrapper {
        grid-column: 7 / -1;
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }
}

/* ===========================================
   Value Section
=========================================== */
.value__bg-text-vertical {
    display: none;
    position: absolute;
    top: 0;
    left: -0.5rem;
    font-family: var(--font-clash);
    font-size: 11rem;
    font-weight: 500;
    line-height: 1;
    letter-spacing: 0.1em;
    color: var(--color-gray-200);
    pointer-events: none;
    user-select: none;
    z-index: 0;
    writing-mode: vertical-rl;
    transition: color 1s ease-in-out;
}

.value__bg-text-vertical--active {
    color: var(--color-primary-20);
}

@media (min-width: 1024px) {
    .value__bg-text-vertical {
        display: block;
    }
}

@media (min-width: 1366px) {
    .value__bg-text-vertical {
        font-size: 16rem;
    }
}

.value__bg-text-horizontal {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    font-family: var(--font-clash);
    font-size: 6rem;
    font-weight: 500;
    line-height: 1;
    color: var(--color-gray-200);
    pointer-events: none;
    user-select: none;
    z-index: 0;
    white-space: nowrap;
    transition: color 1s ease-in-out;
}

.value__bg-text-horizontal--active {
    color: var(--color-primary-20);
}

@media (min-width: 1024px) {
    .value__bg-text-horizontal {
        display: none;
    }
}

.value__left {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

@media (min-width: 1024px) {
    .value__left {
        grid-column: span 5;
    }
}

.value__right {
    display: flex;
    flex-direction: column;
}

@media (min-width: 1024px) {
    .value__right {
        grid-column: span 7;
    }
}

.value__item {
    border-top: 1px solid var(--color-gray-300);
    transition: border-color 0.3s;
}

.value__item:hover {
    border-color: var(--color-primary);
}

.value__item-inner {
    display: flex;
    flex-direction: column;
    padding: var(--gap-sm) 0;
    gap: var(--gap-xs);
}

@media (min-width: 768px) {
    .value__item-inner {
        flex-direction: row;
        gap: var(--gap-sm);
        align-items: flex-start;
    }
}

.value__item-num {
    font-family: var(--font-clash);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-gray-400);
    width: 3rem;
    flex-shrink: 0;
    transition: color 0.3s;
}

@media (min-width: 1366px) {
    .value__item-num {
        font-size: 1.25rem;
        width: 4rem;
    }
}

.value__item:hover .value__item-num {
    color: var(--color-primary);
}

.value__item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--gap-xs);
}

.value__item-title {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

@media (min-width: 768px) {
    .value__item-title {
        flex-direction: row;
        align-items: baseline;
        gap: var(--gap-xs);
        flex-wrap: wrap;
    }
}

.value__item-title-en {
    font-family: var(--font-clash);
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    line-height: 1;
    transition: color 0.3s;
}

@media (min-width: 768px) {
    .value__item-title-en {
        font-size: 1.5rem;
    }
}

@media (min-width: 1366px) {
    .value__item-title-en {
        font-size: 1.875rem;
    }
}

.value__item-title-en--long {
    font-size: 1.125rem;
}

@media (min-width: 768px) {
    .value__item-title-en--long {
        font-size: 1.25rem;
    }
}

@media (min-width: 1366px) {
    .value__item-title-en--long {
        font-size: 1.5rem;
    }
}

.value__item:hover .value__item-title-en {
    color: var(--color-primary);
}

.value__item-title-ja {
    font-family: var(--font-noto);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-gray-900);
}

@media (min-width: 1366px) {
    .value__item-title-ja {
        font-size: 1.25rem;
    }
}

.value__item-desc {
    font-family: var(--font-noto);
    font-size: 1rem;
    font-weight: 400;
    line-height: 2;
    color: var(--color-gray-600);
}

@media (min-width: 1366px) {
    .value__item-desc {
        font-size: 1.125rem;
    }
}

.value__item-border-bottom {
    border-top: 1px solid var(--color-gray-300);
}

/* ===========================================
   Service Section
=========================================== */
.service__bg-text {
    position: absolute;
    top: 0;
    left: 0;
    font-family: var(--font-clash);
    font-size: 6rem;
    font-weight: 500;
    line-height: 1;
    color: var(--color-gray-200);
    pointer-events: none;
    user-select: none;
    z-index: 0;
    transition: color 1s ease-in-out;
}

@media (min-width: 768px) {
    .service__bg-text {
        font-size: 8rem;
    }
}

@media (min-width: 1024px) {
    .service__bg-text {
        font-size: 10rem;
    }
}

.service__bg-text--active {
    color: var(--color-primary-20);
}

.service__header {
    position: relative;
    z-index: 1;
    margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .service__header {
        margin-bottom: var(--gap-lg);
    }
}

/* Service Grid - モバイルファースト設計 */
/* ロジック: transformで視覚的にズラス（レイアウトに影響しない） */
.service__grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gap-xl);
}

@media (min-width: 768px) {
    .service__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--gap-xl) var(--gap-lg);
        padding-bottom: var(--gap-xl);
    }
    
    /* ジグザグ配置: 右カラムを下にズラス */
    .service__card:nth-child(2),
    .service__card:nth-child(4) {
        transform: translateY(var(--gap-xl));
    }
}

@media (min-width: 1024px) {
    .service__grid {
        padding-bottom: var(--gap-xl);
    }
}

.service__card {
    width: 100%;
}

.service__card-num {
    display: block;
    font-family: var(--font-clash);
    font-size: 3rem;
    font-weight: 400;
    color: var(--color-gray-900);
    margin-bottom: var(--gap-xs);
    transition: color 0.3s;
}

@media (min-width: 768px) {
    .service__card-num {
        font-size: 3.75rem;
    }
}

@media (min-width: 1366px) {
    .service__card-num {
        font-size: 4.5rem;
    }
}

.service__card-num--active {
    color: var(--color-primary);
}

.service__card:hover .service__card-num {
    color: var(--color-primary);
}

.service__card-title-en {
    font-family: var(--font-clash);
    font-size: 1.125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

@media (min-width: 1366px) {
    .service__card-title-en {
        font-size: 1.25rem;
    }
}

.service__card-title-ja {
    font-family: var(--font-noto);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--gap-xs);
}

@media (min-width: 1366px) {
    .service__card-title-ja {
        font-size: 1.5rem;
    }
}

.service__card-desc {
    font-family: var(--font-noto);
    font-size: 1rem;
    font-weight: 400;
    line-height: 2;
    color: var(--color-gray-600);
    margin-bottom: var(--gap-sm);
}

@media (min-width: 1366px) {
    .service__card-desc {
        font-size: 1.125rem;
    }
}

/* ===========================================
   Team Section
=========================================== */
.section--accent {
    position: relative;
    background-color: transparent;
    overflow: hidden;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

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

/* 背景を画面端まで広げる（コンテンツのpaddingに影響しない） */
.section--accent::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 100vw;
    transform: translateX(-50%);
    background-color: var(--color-primary);
    z-index: -1;
}

.team__bg-text {
    position: absolute;
    top: 0;
    left: 0;
    font-family: var(--font-clash);
    font-size: 8rem;
    font-weight: 500;
    line-height: 1;
    color: rgba(255, 255, 255, 0.1);
    pointer-events: none;
    user-select: none;
    z-index: 0;
    transition: color 1s ease-in-out;
}

@media (min-width: 768px) {
    .team__bg-text {
        font-size: 10rem;
    }
}

@media (min-width: 1024px) {
    .team__bg-text {
        font-size: 13rem;
    }
}

@media (min-width: 1366px) {
    .team__bg-text {
        font-size: 20rem;
    }
}

.team__bg-text--active {
    color: rgba(255, 255, 255, 0.3);
}

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

@media (min-width: 768px) {
    .team__left {
        gap: var(--gap-md);
    }
}

@media (min-width: 1024px) {
    .team__left {
        grid-column: span 6;
        gap: 0;
    }
}

.team__body {
    font-family: var(--font-noto);
    font-size: 1rem;
    font-weight: 500;
    line-height: 2.5;
    letter-spacing: 0.05em;
    color: var(--color-gray-900);
}

@media (min-width: 1024px) {
    .team__body {
        margin-top: var(--gap-md);
    }
}

@media (min-width: 1366px) {
    .team__body {
        font-size: 1.25rem;
    }
}

.team__cta-wrapper {
    margin-top: 0.5rem;
    padding-top: 0;
}

@media (min-width: 768px) {
    .team__cta-wrapper {
        margin-top: var(--gap-md);
        padding-top: var(--gap-xs);
    }
}

@media (min-width: 1024px) {
    .team__cta-wrapper {
        margin-top: auto;
    }
}

/* Team専用のgrid gap */
.section--accent .section__grid {
    gap: 1rem;
}

@media (min-width: 768px) {
    .section--accent .section__grid {
        gap: var(--grid-gap);
    }
}

.team__right {
    margin-top: 1rem;
}

@media (min-width: 768px) {
    .team__right {
        margin-top: var(--gap-md);
    }
}

@media (min-width: 1024px) {
    .team__right {
        grid-column: 8 / 12;
        margin-top: 0;
    }
}

.team__image {
    width: 100%;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.1);
    line-height: 0;
    font-size: 0;
}

.team__image img {
    display: block;
    width: 100%;
    height: auto;
    filter: grayscale(100%);
    transition: filter 0.7s;
}

.team__image:hover img {
    filter: grayscale(0%);
}

.section__label-line--dark {
    background-color: var(--color-black);
}

.section__label-text--dark {
    color: var(--color-gray-900);
}

.section__cta--accent {
    border-color: var(--color-gray-900);
}

.section__cta--accent:hover {
    border-color: var(--color-white);
}

.section__cta--accent:hover .section__cta-text {
    color: var(--color-white);
}

.section__cta-icon--accent {
    background-color: var(--color-black);
}

.section__cta--accent:hover .section__cta-icon--accent {
    background-color: var(--color-white);
}

.section__cta--accent:hover .section__cta-icon--accent svg {
    color: var(--color-black);
}

/* ===========================================
   News Section
=========================================== */
.news__bg-text {
    position: absolute;
    top: 0;
    right: 0;
    font-family: var(--font-clash);
    font-size: 8rem;
    font-weight: 500;
    line-height: 1;
    color: var(--color-gray-200);
    pointer-events: none;
    user-select: none;
    z-index: 0;
    text-align: right;
    transition: color 1s ease-in-out;
}

@media (min-width: 768px) {
    .news__bg-text {
        font-size: 10rem;
    }
}

@media (min-width: 1024px) {
    .news__bg-text {
        font-size: 13rem;
        right: var(--gap-lg);
    }
}

@media (min-width: 1366px) {
    .news__bg-text {
        font-size: 20rem;
    }
}

.news__bg-text--active {
    color: var(--color-primary-20);
}

.news__left {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

@media (min-width: 1024px) {
    .news__left {
        grid-column: span 4;
    }
}

.news__right {
    display: flex;
    flex-direction: column;
}

@media (min-width: 1024px) {
    .news__right {
        grid-column: span 8;
    }
}

.news__item {
    display: flex;
    align-items: center;
    padding: var(--gap-sm) 0;
    border-top: 1px solid var(--color-gray-300);
    text-decoration: none;
    color: inherit;
    transition: background-color 0.3s;
}

.news__item:hover {
    background-color: rgba(249, 250, 251, 0.5);
}

.news__item--last {
    border-bottom: 1px solid var(--color-gray-300);
}

.news__item-date {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 6rem;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .news__item-date {
        width: 8rem;
    }
}

@media (min-width: 1366px) {
    .news__item-date {
        width: 10rem;
    }
}

.news__item-year {
    font-family: var(--font-clash);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
}

@media (min-width: 1366px) {
    .news__item-year {
        font-size: 1rem;
    }
}

.news__item-day {
    font-family: var(--font-clash);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

@media (min-width: 768px) {
    .news__item-day {
        font-size: 1.875rem;
    }
}

@media (min-width: 1366px) {
    .news__item-day {
        font-size: 2.25rem;
    }
}

.news__item-divider {
    width: 1px;
    height: 3rem;
    background-color: var(--color-gray-300);
    margin: 0 var(--gap-xs);
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .news__item-divider {
        margin: 0 var(--gap-sm);
    }
}

@media (min-width: 1366px) {
    .news__item-divider {
        height: 4rem;
    }
}

.news__item-title {
    font-family: var(--font-noto);
    font-size: 1rem;
    font-weight: 500;
    flex: 1;
    transition: color 0.3s;
}

@media (min-width: 768px) {
    .news__item-title {
        font-size: 1.125rem;
    }
}

@media (min-width: 1366px) {
    .news__item-title {
        font-size: 1.5rem;
    }
}

.news__item:hover .news__item-title {
    color: var(--color-primary);
}