/* デザイン変数 */
:root {
    --color01: #0B1547; /* Dark Blue */
    --color02: #0967CD; /* Bright Blue */
    --color04: #FFFFFF; /* White */
    --color05: #F3F4FA; /* Light Gray Background */
    --color06: #E1E2ED; /* Gray/Dark Background */
    --color10: #E7E9F5; /* Very Light Gray/Text Overlay */
    --color11: rgba(11, 21, 71, 0.2); /* Dark Overlay for Images */
    --font-primary: "Noto Serif JP", serif;
    --font-secondary: "Libre Caslon Display", serif;
}

/* リセットと基本設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    line-height: 1.8;
    color: var(--color01);
    background-color: var(--color04);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 共通レイアウト */
.body-main {
    min-width: 768px; /* PC/Tabletの最小幅 */
}

/* ==================================== */
/* 1. Header */
/* ==================================== */
.header-main {
    background-color: var(--color02); /* Bright Blue */
    position: sticky;
    top: 0;
    height: 80px;
    z-index: 9999;
}

.header-nav {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.header-nav h1{
    font-family: var(--font-secondary);
    color: #FFFFFF;
    margin: 15px 0;
}

.logo-img img {
    height: 50px;
    width: auto;
}

.header-nav__menu {
    display: flex;
    list-style: none;
    gap: 24px;
}

.header-nav__menu li a {
    color: var(--color04); /* White */
    padding: 28px 0;
    font-weight: 700;
    font-size: 16px;
    display: block;
}

.header-nav__menu li.active a,
.header-nav__menu li a:hover {
    text-shadow: 1px 0px 0px currentColor; /* テキストを太く見せる効果 */
}

/* ==================================== */
/* 2. Mini-KV Module (ヒーロー) */
/* ==================================== */
.m-mini-kv-module001-variation001 {
    padding: 100px 0;
    background: var(--color04);
    position: relative;
    z-index: 1;
    overflow: hidden;
    padding: 50px 32px;
    color: #0b1547;
}

.m-mini-kv-module001-variation001__inner {
    margin: 0 80px 0 auto;
    max-width: 1208px;
}

.m-mini-kv-module001-variation001__headline {
    position: relative;
}

.m-mini-kv-module001-variation001__headline-sub {
    font-family: var(--font-secondary);
    font-size: 180px; /* PCサイズを想定 */
    line-height: 1.2;
    color: var(--color10);
    letter-spacing: .02em;
    font-weight: 400;
    margin-bottom: -17px;
}

.m-mini-kv-module001-variation001__headline-main {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: 24px;
    color: var(--color02);
    letter-spacing: .05em;
    margin-bottom: 40px;
    position: relative;
    z-index: 1; /* 背景の擬似要素より前面に */
}

.m-mini-kv-module001-variation001__headline-main::after {
    content: "";
    display: block;
    width: 40px;
    height: 2px;
    margin-top: 25px;
    background: var(--color01);
}

/* 背景のボックスを再現 */
.m-mini-kv-module001-variation001__headline::before {
    content: "";
    position: absolute;
    z-index: -1;
    top: -100px;
    left: 216px;
    width: 100vw;
    height: 208px;
    background: var(--color05); /* Light Gray */
}


/* ==================================== */
/* 3. Human Resources Module (特徴) */
/* ==================================== */
.m-human-resources-module001-variation001 {
    padding-bottom: 100px;
    background: var(--color04);
}

.m-human-resources-module001-variation001__header {
    padding: 100px 80px 0;
    position: relative;
    z-index: 1;
}

/* ヘッダー背景を再現 */
.m-human-resources-module001-variation001__header::before {
    content: "";
    position: absolute;
    z-index: -1;
    top: 0;
    right: 0;
    bottom: 0;
    left: 40px; /* 左側から幅を調整 */
    background: var(--color05);
    max-width: calc(100% - 40px);
    width: 100%;
}

.m-human-resources-module001-variation001__headline {
    max-width: 1200px;
    margin: 0 auto;
}

.m-human-resources-module001-variation001__headline-main {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: 24px;
    color: var(--color02);
    letter-spacing: .05em;
    margin-bottom: 40px;
    position: relative;
}

.m-human-resources-module001-variation001__headline-main::after {
    content: "";
    display: block;
    width: 40px;
    height: 2px;
    margin-top: 25px;
    background: var(--color01);
}

/* 個別アイテムのレイアウト */
.m-human-resources-module001-variation001__item {
    display: flex;
    align-items: flex-start;
    position: relative;
    padding-right: 0; /* 左右にスペースを持たせる */
    max-width: 1440px;
    margin: 0 auto;
}

/* 偶数番目のアイテム (左右反転) */
.m-human-resources-module001-variation001__item.even {
    flex-direction: row-reverse;
    margin-top: -40px;
}

/* 個別アイテムの背景を再現 (Full-bleed effect) */
.m-human-resources-module001-variation001__item::before {
    content: "";
    position: absolute;
    z-index: 0;
    top: 0;
    right: 0;
    bottom: 0;
    left: 40px;
    background: var(--color05);
    pointer-events: none;
}

.m-human-resources-module001-variation001__item.even::before {
    right: 40px;
    left: 0;
}

.m-human-resources-module001-variation001__item-sub {
    flex: 1 1;
    margin-bottom: 80px;
    position: relative;
}

.m-human-resources-module001-variation001__item.even .m-human-resources-module001-variation001__item-sub {
    margin-top: 80px;
    margin-bottom: 0;
}

/* 写真のレイアウト (画像がコンテンツエリア外に張り出す) */
.m-human-resources-module001-variation001__item-photo {
    position: relative;
    z-index: 1;
    /* 1つ目のアイテムは右に張り出し */
    width: calc(100% + 128px); 
    left: 0;
}

.m-human-resources-module001-variation001__item.even .m-human-resources-module001-variation001__item-photo {
    /* 2つ目のアイテムは左に張り出し */
    left: -128px;
}

.m-human-resources-module001-variation001__item-photo-img {
    vertical-align: bottom;
    object-fit: cover;
}

/* 画像に薄いオーバーレイをかける */
.m-human-resources-module001-variation001__item-photo::before {
    content: "";
    position: absolute;
    z-index: 1;
    inset: 0;
    background: var(--color11);
}

/* テキストコンテンツエリア */
.m-human-resources-module001-variation001__item-main {
    position: relative;
    z-index: 2;
    width: 65%; /* PCでの幅を調整 */
    max-width: 728px;
    margin-top: 80px;
    padding: 80px;
    background: var(--color04);
}

.m-human-resources-module001-variation001__item.even .m-human-resources-module001-variation001__item-main {
    margin-top: 0;
    margin-bottom: 80px;
}

.m-human-resources-module001-variation001__item-title {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 32px;
    line-height: 1.6;
    padding: 0 36px;
    position: relative;
    color: #0b1547;
}

/* タイトルの両脇の縦線を再現 */
.m-human-resources-module001-variation001__item-title::before,
.m-human-resources-module001-variation001__item-title::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 16px;
    border: 1px solid var(--color01);
}
.m-human-resources-module001-variation001__item-title::before {
    left: 0;
    border-right: 0;
}
.m-human-resources-module001-variation001__item-title::after {
    right: 0;
    border-left: 0;
}

.m-human-resources-module001-variation001__item-text {
    margin-top: 40px;
    font-size: 16px;
    line-height: 2;
    letter-spacing: .05em;
}

/* ==================================== */
/* 4. Concept Module (地域と未来) */
/* ==================================== */
.m-concept-module002-variation001 {
    position: relative;
    padding: 100px 0;
    background: var(--color06); /* Dark Background color */
    color: var(--color04); /* White text */
    overflow: hidden;
}

.m-concept-module002-variation001__background {
    position: absolute;
    z-index: 0;
    inset: 0;
}

.m-concept-module002-variation001__background-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 画像オーバーレイ (グラデーションと単色) */
.m-concept-module002-variation001__background::before {
    content: "";
    position: absolute;
    z-index: 1;
    inset: 0;
    background: var(--color11);
}
.m-concept-module002-variation001__background::after {
    content: "";
    position: absolute;
    z-index: 1;
    top: 0;
    bottom: 0;
    left: 0;
    width: 91.875%; /* 幅を調整してグラデーションを再現 */
    background-image: linear-gradient(to right, var(--color01), rgba(11, 21, 71, 0)); /* Dark Blueから透明へのグラデーション */
}

.m-concept-module002-variation001__layout {
    position: relative;
    z-index: 2;
    display: flex;
    max-width: 1192px;
    margin: 0 80px 0 auto;
    justify-content: space-between;
}

.m-concept-module002-variation001__layout-head {
    width: 24%;
}

.m-concept-module002-variation001__layout-main {
    width: 76%;
    max-width: 884px;
}

.m-concept-module002-variation001__headline-main {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: 24px;
    color: var(--color04); /* White */
    letter-spacing: .05em;
    margin-bottom: 40px;
}

.m-concept-module002-variation001__headline-main::after {
    content: "";
    display: block;
    width: 40px;
    height: 2px;
    margin-top: 25px;
    background: var(--color06); /* Gray */
}

.m-concept-module002-variation001__title {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 56px;
    line-height: 1.6;
    color: #FFFFFF;
}

.m-concept-module002-variation001__text {
    margin-top: 40px;
    font-size: 20px;
    line-height: 2;
    letter-spacing: .05em;
}

/* ==================================== */
/* 5. Footer */
/* ==================================== */
.footer {
    background-color: var(--color02); /* Bright Blue */
    width: 100%;
}

.footer__copyright {
    color: var(--color04); /* White */
    padding: 16px 40px 40px 40px;
    max-width: 1440px;
    margin: 0 auto;
}

.footer__copyright__text {
    text-align: right;
    font-weight: 700;
    font-size: 14px;
    font-family: var(--font-primary);
}

/* ========================================================== */
/* レスポンシブ対応 (メディアクエリ) */
/* ========================================================== */

/* ------------------------------------------- */
/* タブレット (〜1024px) */
/* ------------------------------------------- */
@media screen and (max-width: 1024px) {
    /* ナビゲーションを非表示にし、ロゴとコンテンツ幅を調整 */
    .header-nav__menu {
        display: none;
    }
    .header-nav {
        padding: 0 20px;
    }

    /* ヒーローセクション */
    .m-mini-kv-module001-variation001__inner {
        margin: 0 40px 0 auto;
    }

    /* 特徴セクション */
    .m-human-resources-module001-variation001__header {
        padding: 100px 40px 0;
    }
    .m-human-resources-module001-variation001__header::before {
        /* タブレットでは背景を左寄せに変更 */
        right: auto;
        bottom: -200px;
        left: 0;
        width: 30%; 
        background: var(--color05);
    }
    
    /* アイテムを縦積みレイアウトに切り替え */
    .m-human-resources-module001-variation001__item,
    .m-human-resources-module001-variation001__item.even {
        flex-direction: column;
        padding: 0 40px 0 40px;
        margin-top: 40px; /* evenの負のマージンをリセットし、間隔を空ける */
        align-items: center;
    }
    .m-human-resources-module001-variation001__item::before,
    .m-human-resources-module001-variation001__item.even::before {
        display: none; /* 個別アイテムの背景を非表示 */
    }

    /* 写真とテキストを縦並び中央寄せ */
    .m-human-resources-module001-variation001__item-photo,
    .m-human-resources-module001-variation001__item.even .m-human-resources-module001-variation001__item-photo {
        width: 100%;
        left: 0;
    }
    .m-human-resources-module001-variation001__item-main,
    .m-human-resources-module001-variation001__item.even .m-human-resources-module001-variation001__item-main {
        width: 100%;
        max-width: none;
        margin-top: 40px;
        margin-bottom: 0;
        padding: 40px 20px;
        text-align: center;
    }
    .m-human-resources-module001-variation001__item.even .m-human-resources-module001-variation001__item-sub {
        margin-top: 0; /* マージンリセット */
    }

    /* 地域と未来を創るセクション */
    .m-concept-module002-variation001__layout {
        flex-direction: column;
        margin: 0 40px;
    }
    .m-concept-module002-variation001__layout-head,
    .m-concept-module002-variation001__layout-main {
        width: 100%;
    }
}

/* ------------------------------------------- */
/* モバイル (〜768px) */
/* ------------------------------------------- */
@media screen and (max-width: 768px) {
    /* 共通パディングの調整 */
    .header-nav {
        padding: 0 15px;
    }

    /* ヒーローセクション */
    .m-mini-kv-module001-variation001 {
        padding: 50px 0;
    }
    .m-mini-kv-module001-variation001__inner {
        margin: 0 15px 0 auto;
    }
    .m-mini-kv-module001-variation001__headline-sub {
        font-size: 10vw;
    }
    .m-mini-kv-module001-variation001__headline-main {
        font-size: 20px;
    }

    /* 特徴セクション */
    .m-human-resources-module001-variation001__header {
        padding: 50px 15px 0;
    }
    .m-human-resources-module001-variation001__item,
    .m-human-resources-module001-variation001__item.even {
        padding: 0 15px;
    }
    .m-human-resources-module001-variation001__item-main {
        padding: 30px 15px;
    }
    .m-human-resources-module001-variation001__item-title {
        font-size: 24px;
        padding: 0 20px;
    }

    /* 地域と未来を創るセクション */
    .m-concept-module002-variation001 {
        padding: 60px 0;
    }
    .m-concept-module002-variation001__layout {
        margin: 0 15px;
    }
    .m-concept-module002-variation001__title {
        font-size: 8vw;
    }
    .m-concept-module002-variation001__text {
        font-size: 16px;
    }
}