@charset "UTF-8";

/* 基本設定 */
:root {
    --color-primary: #2b2b2b; /* ほぼ黒 */
    --color-secondary: #f7f7f7; /* オフホワイト */
    --color-accent: #000000;
    --max-width: 1280px;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--color-primary);
    background-color: var(--color-secondary);
    scroll-behavior: smooth;
    margin: 0;
    padding-top: 65px; /* ヘッダーの高さ分 */
    line-height: 1.6;
}

/* 共通コンテナとセクション設定 */
.container {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem; /* px-6 */
    padding-right: 1.5rem; /* px-6 */
    /* display: flex;
     */
}

.section {
    padding-top: 12rem;
    padding-bottom: 12rem;
}

/* レスポンシブなパディング調整 (md:py-48) */
@media (max-width: 767px) {

    /* .container {
        padding-left: 1rem;
        padding-right: 1rem;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    } */
    .section {
        padding-top: 3rem; /* py-32 */
        padding-bottom: 3rem; /* py-32 */
    }
}

.section-tag {
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #6b7280; /* gray-500 */
    margin-bottom: 1rem;
}

.section-heading {
    font-size: clamp(1.6rem, 2.2vw + 1rem, 2.2rem);
    font-weight: 300; /* font-light */
    color: var(--color-primary);
    margin-bottom: 5rem; /* mb-20 */
    display: inline-block;
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 1rem;
}

@media (max-width: 767px) {
    .section-heading {
        margin-bottom: 2rem;
        margin-top: 0;
        padding-bottom: 0;
        text-align: center;
    }
    .section-tag {
        margin-bottom: 0.5rem;
    }
}


/* --- ヘッダー（ナビゲーション） --- */
.fixed-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: padding 0.3s ease-in-out;
}

/* 制作サンプルサイト用固定ヘッダーがある場合の調整 */
body.has-sample-header .fixed-header {
    top: 45px;
}

@media (max-width: 768px) {
    body.has-sample-header .fixed-header {
        top: 40px;
    }
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s;
    display: flex;
    align-items: center;
}
.logo:hover {
    color: #6b7280;
}

.logo::before {
    content: url('../images/logo.svg');
    width: 1.5rem; /* 24px */
    height: 1.5rem; /* 24px */
    margin-right: 0.3rem; /* 8px */
}

/* ハンバーガーメニューボタン */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 1.5rem;
    height: 1.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0 0.5rem 0 0;
    z-index: 60;
}

.hamburger-line {
    width: 1.5rem;
    height: 1.5px;
    background-color: var(--color-primary);
    border-radius: 10px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger-menu.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(0.5rem, 0.5rem);
}

.hamburger-menu.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(0.5rem, -0.5rem);
}

.main-nav {
    display: flex;
    align-items: center;
}

.main-nav a {
    margin-left: 2rem;
    font-weight: 500;
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s, border-color 0.3s;
    border-bottom: 1px solid transparent;
    padding-bottom: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.2;
}

.main-nav a:hover {
    color: #6b7280;
    border-color: var(--color-accent);
}

.nav-en {
    font-size: 0.6rem; /* text-sm */
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 0.2rem;
}

.nav-ja {
    font-size: 0.8rem; /* text-xs */
    font-weight: 400;
    margin-left: 0.25rem; /* ml-1 */
    color: #4b5563; /* gray-600 */
}

/* 600px以下でハンバーガーメニューを表示 */
@media (max-width: 600px) {
    .hamburger-menu {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: 100vh;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 5rem 2rem 2rem;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 55;
        overflow-y: auto;
    }

    .main-nav.active {
        right: 0;
    }

    .main-nav a {
        margin-left: 0;
        margin-bottom: 2rem;
        padding: 0.75rem 0;
        width: 100%;
        border-bottom: 1px solid #e5e7eb;
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
    }

    .main-nav a:hover {
        border-color: var(--color-accent);
    }

    .nav-en {
        font-size: 0.875rem;
    }

    .nav-ja {
        font-size: 1rem;
        margin-left: 0;
    }
}

/* メニューオーバーレイ */
.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 54;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.menu-overlay.active {
    display: block;
    opacity: 1;
}

@media (max-width: 600px) {
    .menu-overlay.active {
        display: block;
    }
}

/* --- HEROセクション --- */
.hero-section {
    position: relative; /* オーバーレイのための基準位置 */
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background-image: url('../images/hero-background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #ffffff; /* テキストの基本色を白に */
}

@media (max-width: 600px) {
    .hero-section {
        min-height: 60vh;
    }
}


/* 背景画像の上に重ねるオーバーレイ */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4); /* 半透明の黒 */
    z-index: 1;
}

.hero-content {
    max-width: 64rem;
    position: relative; /* コンテンツをオーバーレイの上に表示 */
    z-index: 2;
    margin: 0 auto;
    text-align: center;
    
}

.r-450 {
    display: none;
}

@media (max-width: 600px) {
    .hero-content {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

@media (max-width: 450px) {
.r-450 {
    display: block;
}
}

.hero-text {
    /* hero-text アニメーションの再現 */
    line-height: 1.2;
    letter-spacing: -0.05em;
    opacity: 0;
    transform: scale(0.95);
    animation: fadeInScale 2s ease-out forwards;
    
    /* フォントサイズ設定 */
    font-size: clamp(2.25rem, 2.5vw + 1.5rem, 3rem);
    font-weight: 300; /* font-light */
    /* color: var(--color-primary); */ /* 親要素から継承 */
    margin-bottom: 2rem;
}

@keyframes fadeInScale {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.hero-subtitle {
    font-size: 1.25rem; /* md:text-xl */
    font-weight: 400; /* font-normal */
    max-width: 42rem;
    margin: 0 auto;
    color: #e5e7eb; /* 明るいグレーに変更 */
}
@media (max-width: 767px) {
    .hero-subtitle {
        font-size: 1.125rem; /* text-lg */
    }
}

.scroll-indicator-container {
    margin-top: 5rem; /* mt-20 */
    display: flex;
    justify-content: center;
}

.scroll-indicator-link {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: #d1d5db; /* 明るいグレーに変更 */
    display: flex;
    align-items: center;
    text-decoration: none;
}

.indicator-text {
    margin-right: 0.75rem;
}

.indicator-icon {
    width: 1rem;
    height: 1rem;
    transition: transform 0.5s;
}

.scroll-indicator-link:hover .indicator-icon {
    transform: translateY(0.25rem);
}



/* --- ABOUTセクション --- */




.about-section {
    background-color: var(--color-secondary);
}

.about-intro-grid {
    margin-bottom: 8rem; /* lg:mb-32 */
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

/* デスクトップ表示時、section-tagとabout-text-contentを2列目に配置 */
.about-intro-grid > .about-tag {
    grid-column: 2;
    grid-row: 1;
}

.about-intro-grid > .about-text-content {
    grid-column: 2;
    grid-row: 2;
}

@media (max-width: 1023px) {
    .about-intro-grid {
        margin-bottom: 6rem; /* mb-24 */
        grid-template-columns: 1fr;
        gap: 3rem; /* gap-12 */
    }

    /* 1024px以下で順序を変更: タイトル、画像、文章 */
    .about-intro-grid > .about-tag {
        grid-column: 1;
        order: 1;
    }

    .about-intro-grid > .about-photo-wrapper {
        order: 2;
    }

    .about-intro-grid > .about-text-content {
        grid-column: 1;
        order: 3;
    }
}

@media (max-width: 767px) {
    
    .about-intro-grid {
        margin-bottom: 4rem;    
        gap: 1.3rem;  
    }

    .about-tag {
        margin-bottom: 0;
    }
}



.about-photo {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 0.5rem; /* rounded-lg */
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); /* shadow-xl */
}


.about-summary {
    font-size: 1.5rem; /* md:text-2xl */
    font-weight: 300;
    color: #374151; /* gray-700 */
    line-height: 1.75;
    margin-bottom: 2rem;
}
@media (max-width: 767px) {
    .about-summary {
        font-size: 1.25rem; /* text-xl */
    }
}

.more-link {
    display: inline-flex;
    align-items: center;
    font-size: 1.125rem;
    font-weight: 500;
    letter-spacing: 0.025em;
    border-bottom: 1px solid var(--color-accent);
    padding-bottom: 2px;
    text-decoration: none;
    color: var(--color-primary);
    transition: color 0.3s;
}

.more-link:hover {
    color: #4b5563;
}

.more-link-icon {
    width: 1.25rem;
    height: 1.25rem;
    margin-left: 0.5rem;
}


/* 詳細な理念 */


.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem; /* lg:gap-24 */
    padding-top: 4rem; /* pt-16 */
    border-top: 1px solid #d1d5db; /* border-t border-gray-300 */
    align-items: flex-start;
}

@media (max-width: 1023px) {
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 4rem; /* gap-16 */
    }
}


.philosophy-summary {
    font-size: 1.875rem; /* md:text-3xl */
    font-weight: 300;
    color: #374151;
    line-height: 1.75;
}
@media (max-width: 767px) {
    .philosophy-summary {
        font-size: 1.5rem; /* text-2xl */
    }
}

.philosophy-points {
    display: flex;
    flex-direction: column;
    gap: 2.5rem; /* space-y-10 */
}

.philosophy-item {
    border-left: 4px solid var(--color-accent);
    padding-left: 1.5rem; /* pl-6 */
    border-radius: 0.125rem; /* rounded-sm */
}

.point-title {
    font-size: 1.25rem; /* text-xl */
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.point-detail {
    font-size: 1.125rem; /* text-lg */
    color: #4b5563;
    line-height: 1.75;
}



/* --- PROJECTSセクション --- */



.projects-section {
    background-color: #ffffff;
}

@media (max-width: 767px) {
    
}

.projects-highlight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* lg:grid-cols-3 */
    gap: 3rem; /* gap-12 */
}
@media (max-width: 1023px) {
    .projects-highlight-grid {
        grid-template-columns: repeat(2, 1fr); /* md:grid-cols-2 */
    }
}
@media (max-width: 767px) {
    .projects-highlight-grid {
        grid-template-columns: 1fr;
    }
}

.project-card {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: 0.5rem;
    transition: transform 0.5s, box-shadow 0.3s;
    text-decoration: none;
}

.project-card:hover {
    transform: translateY(-4px); /* hover:-translate-y-1 */
}

.project-image-wrapper {
    overflow: hidden;
    /* aspect ratio simulation for consistency */
    position: relative;
    padding-top: 66.6667%; /* 3:2 aspect ratio for general images */
}

.project-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease-in-out;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
}

.project-card:hover .project-image {
    transform: scale(1.02); /* group-hover:scale-[1.02] */
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.project-info {
    margin-top: 1rem;
}

.project-name {
    font-size: 1.5rem; /* text-2xl */
    font-weight: 400;
    color: var(--color-primary);
}

.project-card:hover .project-name {
    text-decoration: underline;
}

.project-meta {
    font-size: 0.875rem; /* text-sm */
    font-weight: 300;
    color: #6b7280;
    margin-top: 0.25rem;
}

/* 全作品アーカイブ */
.projects-archive {
    margin-top: 8rem; /* mt-32 */
}

@media (max-width: 767px) {
    .projects-archive {
        margin-top: 3rem;
    }

    .project-name {
        font-size: 1.25rem; /* text-xl */
        margin-top: 0.5rem;
        margin-bottom: 0.5rem;
    
    }
}

.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem; /* gap-3 */
    margin-bottom: 3rem; /* mb-12 */
    font-size: 0.875rem;
    font-weight: 500;
}

.filter-button {
    padding: 0.5rem 1rem;
    border-radius: 9999px; /* rounded-full */
    border: 1px solid #d1d5db;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.filter-button:not(.active) {
    color: #4b5563; /* text-gray-600 */
    background-color: transparent;
}
.filter-button:not(.active):hover {
    background-color: #f3f4f6; /* hover:bg-gray-100 */
}

.filter-button.active {
    background-color: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* lg:grid-cols-4 */
    gap: 1.5rem; /* gap-6 */
}
@media (max-width: 1023px) {
    .archive-grid {
        grid-template-columns: repeat(3, 1fr); /* md:grid-cols-3 */
    }
}
@media (max-width: 767px) {
    .archive-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.archive-item {
    display: block;
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: 0.5rem;
}

.archive-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.archive-item:hover .archive-image {
    transform: scale(1.1); /* group-hover:scale-110 */
}

.archive-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: flex-end;
    padding: 1rem;
    opacity: 0;
    transition: opacity 0.3s;
}

.archive-item:hover .archive-overlay {
    opacity: 1; /* group-hover:opacity-100 */
}

.archive-text {
    color: #ffffff;
}

.archive-title {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.375;
}

.archive-meta-small {
    font-size: 0.75rem;
    font-weight: 300;
    margin-top: 0.25rem;
}


/* --- APPROACHセクション --- */
.approach-section {
    background-color: var(--color-secondary);
}

.approach-key-message {
    text-align: center;
    margin-bottom: 6rem; /* mb-24 */
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.key-message-text {
    font-size: 1.875rem; /* md:text-4xl */
    font-weight: 300;
    color: #374151;
    line-height: 1.75;
    font-style: italic;
}
@media (max-width: 767px) {
    .key-message-text {
        font-size: 1.5rem; /* text-3xl */
    }
    .desktop-break { display: none; }
    .approach-key-message {
        padding: 0;
        text-align: center;
        margin-bottom: 1rem;
        margin-top: 1rem;
        /* margin-left: auto;
        margin-right: auto;
        max-width: 100%; */
    }
}

.process-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* lg:grid-cols-4 */
    gap: 2rem; /* lg:gap-8 */
}
@media (max-width: 1023px) {
    .process-grid {
        grid-template-columns: 1fr;
        gap: 3rem; /* gap-12 */
    }
}

/* モバイル用タイムラインの縦線 */
@media (max-width: 1023px) {
    .process-grid::before {
        content: "";
        position: absolute;
        top: 0;
        bottom: 0;
        left: 28px; /* ml-7 */
        width: 1px;
        background-color: #d1d5db; /* gray-300 */
    }
}

.process-step {
    position: relative;
    display: flex;
    flex-direction: column;
    padding-left: 0; /* lg:pl-0 */
}
@media (max-width: 1023px) {
    .process-step {
        padding-left: 3rem; /* pl-12 */
    }
}

.step-circle-mobile {
    display: none;
}
@media (max-width: 1023px) {
    .step-circle-mobile {
        position: absolute;
        left: 20px; /* ml-5 */
        top: 12px; /* mt-3 */
        width: 1rem;
        height: 1rem;
        border-radius: 9999px;
        background-color: var(--color-accent);
        box-shadow: 0 0 0 8px var(--color-secondary); /* ring-8 ring-[#f7f7f7] */
        display: block;
    }
}

.step-number {
    font-size: 2.25rem; /* text-4xl */
    font-weight: 800; /* font-extrabold */
    color: var(--color-primary);
    margin-bottom: 2rem; /* lg:mb-8 */
}
@media (max-width: 1023px) {
    .step-number {
        margin-bottom: 1rem;
    }
}

.step-title {
    font-size: 1.5rem; /* text-2xl */
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.step-detail {
    font-size: 1.125rem; /* text-lg */
    color: #4b5563;
    line-height: 1.75;
}


/* --- NEWSセクション --- */
.news-section {
    background-color: #ffffff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* lg:grid-cols-3 */
    gap: 2.5rem; /* gap-10 */
}
.news-grid a:nth-child(4) { /* 4つ目のアイテムを3列目で折り返す */
    grid-column: 1 / 2;
}
@media (max-width: 1023px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr); /* sm:grid-cols-2 */
    }
    .news-grid a:nth-child(4) {
        grid-column: auto;
    }
}
@media (max-width: 639px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
}

.news-card {
    display: block;
    transition: box-shadow 0.3s;
    border-radius: 0.5rem;
    overflow: hidden;
    text-decoration: none;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.news-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); /* hover:shadow-xl */
}

.news-image {
    width: 100%;
    height: 14rem; /* h-56 */
    object-fit: cover;
    transition: transform 0.5s;
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
}

.news-card:hover .news-image {
    transform: scale(1.05); /* group-hover:scale-[1.05] */
}

.news-info {
    padding: 1.5rem;
    background-color: var(--color-secondary);
    border-bottom-left-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
}

.news-meta-small {
    font-size: 0.75rem; /* text-xs */
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #6b7280;
    margin-bottom: 0.5rem;
}

.news-title-text {
    font-size: 1.25rem; /* text-xl */
    font-weight: 400;
    color: var(--color-primary);
    line-height: 1.6;
    transition: color 0.3s;
}

.news-card:hover .news-title-text {
    color: #374151; /* group-hover:text-gray-700 */
}

.all-news-link-container {
    margin-top: 5rem; /* mt-20 */
    text-align: center;
}


/* --- CONTACTセクション --- */
.contact-section {
    background-color: var(--color-primary);
    color: #ffffff;
}

.contact-tag {
    color: #9ca3af; /* gray-400 */
}

.contact-cta {
    text-align: center;
    padding: 4rem 2rem;
    margin-bottom: 6rem; /* mb-24 */
    background-color: #374151; /* gray-800 */
    border-radius: 0.75rem; /* rounded-xl */
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); /* shadow-2xl */
}

.cta-message {
    font-size: 2.25rem; /* md:text-4xl */
    font-weight: 300;
    margin-bottom: 2rem;
}
@media (max-width: 767px) {
    .cta-message {
        font-size: 1.875rem; /* text-3xl */
    }
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    background-color: #ffffff;
    border-radius: 9999px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    text-decoration: none;
    transition: background-color 0.3s, transform 0.3s;
}

.cta-button:hover {
    background-color: #e5e7eb; /* hover:bg-gray-200 */
    transform: scale(1.02);
}

.cta-icon {
    width: 1.5rem;
    height: 1.5rem;
    margin-right: 0.75rem;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* lg:grid-cols-2 */
    gap: 4rem; /* gap-16 */
}
@media (max-width: 1023px) {
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2.5rem; /* space-y-10 */
}

.contact-label {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #9ca3af; /* gray-400 */
    margin-bottom: 0.5rem;
}

.contact-value {
    font-size: 1.25rem;
    font-weight: 300;
    color: #ffffff;
}

.contact-value.link {
    text-decoration: none;
    transition: color 0.3s;
}

.contact-value.link:hover {
    color: #9ca3af;
}

.contact-grid-small {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.map-placeholder {
    width: 100%;
    height: 20rem; /* h-80 */
    background-color: #4b5563; /* gray-700 */
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
}

.map-text {
    color: #9ca3af;
    font-size: 1.125rem;
    text-align: center;
}


/* --- FOOTER --- */
.main-footer {
    padding: 3rem 1.5rem;
    background-color: #f0f0f0;
    color: var(--color-primary);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}
@media (max-width: 767px) {
    .footer-inner {
        flex-direction: column;
    }
}

.footer-copyright {
    margin-bottom: 0;
}
@media (max-width: 767px) {
    .footer-copyright {
        margin-bottom: 1rem;
    }
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-icon-link {
    color: var(--color-primary);
    transition: color 0.3s;
}

.social-icon-link:hover {
    color: #4b5563;
}

.social-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* モバイルブレイクポイントの調整 */
@media (max-width: 639px) {
    .mobile-break {
        display: none;
    }
}
@media (max-width: 639px) {
    .desktop-break {
        display: none;
    }
}