@charset "UTF-8";

:root {
    --main-color: #FFFFFF;

    /* テキストフォント */
    --font-base-family: 'Roboto', 'Noto Sans JP', sans-serif;
    --font-base-size: 1rem; /* 16px */
    --font-base-weight-medium: 500;
    --font-base-weight-regular: 400;
    --font-base-weight-bold: 700;
    --font-base-weight-black: 900;
    --font-base-line-height: 1.8;

    /* テキストカラー */
    --base-text-color: #1E1E1E;
    --white-text: #FFFFFF;
}

/* ===========================================================================
body 背景
=========================================================================== */
body::before {
    margin-top: 100px;
    content: "";
    position: fixed;
    inset: 0;
    mask-image: url("../../image/top/body-bg-pc.svg");
    mask-size: 100% auto;
    mask-position: center 2.6vw; /* 1920px幅のデザイン上での50px 50 ÷ 1920 = 0.026... */
    mask-repeat: no-repeat;
    opacity: 0.85;

    /* 背景を2層：①白のグラデーション透過画像　②アニメーション用のグラデーション */
    background-image: 
        url("../../image/top/kv-white-gradation.png"),
        linear-gradient(270deg, #6941c5, #0d66b9, #7a4c06, #488f51, #707070);
    
    background-size: 100% auto, 200% 200%; /* それぞれのサイズを指定 */
    background-repeat: no-repeat, no-repeat;
    background-position: center 38vw, 0% 50%;

    animation: Grad 7s ease infinite;
    z-index: -100000;
}

/* グラデーションの動き（背景を2層の①,②）*/
@keyframes Grad {
    0%{background-position: center 38vw, 0% 50%}
    50%{background-position: center 38vw, 100% 50%}
    100%{background-position: center 38vw, 0% 50%}
}

/* PC: 画像そのものを揺らす */
.yura-target {
  display: block;
  animation: yuraYura 3s ease-in-out infinite;
}

/* スマホ: 画像が消えて疑似要素(::before)になる場合 */
@media screen and (max-width: 768px) {
  .main-content-1::before {
    /* 既存のプロパティ */
    animation: yuraYura 3s ease-in-out infinite; /* 疑似要素にもアニメーションを付与 */
  }
}

@keyframes yuraYura {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* ===========================================================================
ヒーローエリア
=========================================================================== */

.kv {
    position: relative;
    width: 100%;
    height: 42.968vw; /* 1920px幅のデザイン上での825px 825 ÷ 1920 × 100 = 42.968... */
    /* height: 825px; */
    color: var(--white-text);
    background-color: var(--main-color);
    overflow: hidden;
}

/* グラデーションオーバーレイ */
.kv::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;

    background: linear-gradient(
        180deg,
        rgba(30, 30, 30, 0.35) 14.87%,
        rgba(0, 0, 0, 0) 79.86%
    );

    pointer-events: none;
}

.kv-images {
    position: relative;
    width: 100%;
    height: 100%;
}

.kv-images picture {
    position: absolute;
    inset: 0;
}

/* 画像にアニメーションを適用 */
.kv-images picture img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    animation: kvFade 22s infinite;
}

/* 画像ごとにアニメーションの開始をずらす */
.kv-images picture:nth-child(1) img { animation-delay: 0s; }
.kv-images picture:nth-child(2) img { animation-delay: 7.33s; }
.kv-images picture:nth-child(3) img { animation-delay: 14.66s; }

@keyframes kvFade {
    0%    { opacity: 0; }
    15% { opacity: 1; }  /* フェードイン完了 */
    33.33% { opacity: 1; }  /* 表示維持 */
    60% { opacity: 0; }  /* フェードアウト完了 */
    100%   { opacity: 0; }
}

/* キービジュアル前面テキスト */
.kv-copy {
    position: absolute;
    top: 18.8vw;        /* 1920px幅のデザイン上での361px 361 ÷ 1920 = 18.8 */
    right: 6.875vw;     /* 1920px幅のデザイン上での132px 132 ÷ 1920 = 6.875 */

    z-index: 1;
}

.kv-copy-main {
    /* 1920px幅のデザイン上での40px 40 ÷ 1920 = 2.083 */
    /* font-size: 2.083vw; */
    font-size: clamp(1.875rem, 1.458rem + 0.87vw, 2.5rem);
    line-height: 1.475;

    font-weight: var(--font-base-weight-bold);
    white-space: nowrap;

    margin: 0;
}

.kv-copy-sub {
    margin-top: 1.77vw; /* 1920px幅のデザイン上での34px 34 ÷ 1920 = 1.77 */
    /* 1920px幅のデザイン上での16px 16 ÷ 1920 = 0.833 */
    /* font-size: 0.833vw; */
    font-size: clamp(0.938rem, 0.896rem + 0.09vw, 1rem);
    line-height: 2;
    font-weight: var(--font-base-weight-medium);
}

/* スマホ画面用のキャッチコピーは非表示（スマホ画面に切り替わったら場所を変えて表示する） */
.sp-saam-setsumei {
    display: none;
}

/* KV右下テキストアイコン */
.kv-text-icons {
    position: absolute;
    bottom: 0;
    right: 0.1687vw; /* 1920px幅のデザイン上での3.24px 3.24 ÷ 1920 = 0.001687... */

    display: flex;
    gap: clamp(1.188rem, -0.023rem + 2.52vw, 3rem);      /* 769px～1920px幅 48p～19px */
    z-index: 1;
}
/* 下からフェードインする動きの定義 */
@keyframes fadeInUpStrong {
    0% {
        opacity: 0;
        /* より深い位置（100px）から開始 */
        transform: translateY(100px) scale(0.9); /* 少し小さくしておく */
    }
    20% {
        opacity: 1; /* 早めにパッと見せる */
    }
    /* 80%〜100%で最後にグッと押し込むような動き */
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 3. 画像個別の設定 */
.kv-text-icons img {
    display: block;
    width: auto;
    height: 8.125vw;
    max-height: 156px;
    opacity: 0;
    /* cubic-bezier(0.1, 0.9, 0.2, 1) : 
       最初が非常に速く（0.1）、後半に強いブレーキがかかる設定 
    */
    animation: fadeInUpStrong 2.5s cubic-bezier(0.1, 0.9, 0.2, 1) forwards;
}

.kv-text-icons img:nth-child(1) { animation-delay: 0.2s; }
.kv-text-icons img:nth-child(2) { animation-delay: 0.35s; }
.kv-text-icons img:nth-child(3) { animation-delay: 0.5s; }
.kv-text-icons img:nth-child(4) { animation-delay: 0.65s; }

/* ===========================================================================
セールスポイント エリア
=========================================================================== */

.main-content-1 {
    position: relative;
    padding-top: 100px;
    padding-bottom: 100px;
}

.main-content-1 .container-1200 {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.main-content-1 .content-row {
    display: flex;
    align-items: center;
}

.main-content-1 .content-text {
    display: flex;
    flex-direction: column;
    padding: 65px 50px 50px 50px;
    gap: 24px;

    width: 850px;
    height: auto;

    border-top: 15px solid #01498E;
    box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.25);
    border-radius: 10px;

    background: linear-gradient(
      270deg,
      rgba(255, 255, 255, 0.35) 0%,
      rgba(255, 255, 255, 0.8) 42.31%,
      rgba(255, 255, 255, 0.9) 100%
    );

    backdrop-filter: blur(15px);
}

.main-content-1 .content-text > * {
    position: relative;
    z-index: 1; 
}

.main-content-1 .content-text h3 {
    display: flex;
    flex-direction: column;
    color: #01498E;
    font-size: 1.875rem;
    font-weight: var(--font-base-weight-bold);
    line-height: normal;
}

.main-content-1 .content-text .h3-en {
    display: block;
    color: var(--base-text-color);
    font-size: 0.9375rem;
    font-weight: var(--font-base-weight-regular);
}

.main-content-1 .content-text h4 {
    font-size: 2.25rem;
    font-weight: var(--font-base-weight-bold);
    line-height: 1.27;
}

.main-content-1 .content-text h4 .emphasis {
    font-size: 3.375rem;
}

.main-content-1 .content-text .setsumei {
    font-size: 1.125rem;
    line-height: 2;
}

/* ===============================
 上部
=============================== */
.content-row--text-image .content-image {
    transform: translateX(86px);
    border-radius: 10px;
}

.content-row--text-image .content-image img {
    width: 313px;
    height: auto;
}

/* ===============================
 下部
=============================== */
.content-row--image-text .content-image {
    transform: translateX(30px);
    z-index: 1;
}

.content-row--image-text .content-image img {
    width: 350px;
    height: auto;
}

/* ===========================================================================
SAAMシステムが変える3つのバリュー エリア
=========================================================================== */

.main-content-2 {
    position: relative;
    background: linear-gradient(344deg, rgba(1, 73, 142, 0.9025) 47.04%, rgb(103 229 223 / 60%) 107.33%);
}

.main-content-2 .container-1200 {
    padding: 120px 0 220px 0;
    text-align: center;
}

.main-content-2 h3 {
    font-size: 2.25rem;
    font-weight: var(--font-base-weight-bold);
    color: var(--white-text);
    text-shadow: 2px 2px 2px rgba(0, 0, 0, 0.25);
}

.sp-break {
    display: inline;
}

.main-content-2 .h3-en {
    font-size: 1.5rem;
    font-weight: var(--font-base-weight-regular);
}

.three-values {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;

    gap: 16px;
    padding-top: 50px;
}

.three-values .value {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 385px;
    padding: 4.25em 1.5em;
    gap: 30px;
    border-radius: 35px;
    background: #FFFFFF;

    text-align: start;
    font-size: var(--font-base-size);
    line-height: 2;
}

.three-values .value::before {
    content: "";
    display: block;
    width: 40px;
    height: 40px;
    background-repeat: no-repeat;
    background-size: contain;
}

/* 1つ目のアイコン */
.three-values .value:nth-child(1)::before {
    background-image: url("../../image/top/box.svg");
}

/* 2つ目のアイコン */
.three-values .value:nth-child(2)::before {
    background-image: url("../../image/top/graph-up.svg");
}

/* 3つ目のアイコン */
.three-values .value:nth-child(3)::before {
    background-image: url("../../image/top/tool.svg");
}

.value h4 {
    font-size: 1.4rem;
    font-weight: var(--font-base-weight-bold);

    line-height: 2.66;
}

/* 装飾　人物画像 */
.three-values::before {
    position: absolute;
    content: "";
    background-image: url(../../image/top/human_pc.webp);
    width: clamp(120px, 10.26vw, 197px);
    height: auto;
    background-size: contain;
    aspect-ratio: 197 / 544;
    bottom: -15px;
    left: 0;
    transform: translateX(-100%); /* 自分の幅分、左にスライドさせる */
    /* もし少し隙間を開けたいなら translateX(calc(-100% - 10px)) */
        z-index: 1;
}

/* ===========================================================================
技術と手法、実績と実例 エリア
=========================================================================== */

.main-content-3 {
    position: relative;
}

/* 半透明背景専用レイヤー */
.main-content-3::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(210, 210, 210, 0.8);
    
    /* ノイズ */
    background-image: radial-gradient(circle, rgba(1, 73, 142, 0.9025) 1px, transparent 1px),
    radial-gradient(circle, rgb(0 0 0 / 78%) 1px, transparent 1px),
    radial-gradient(circle, rgb(104 109 107) 1px, transparent 1px);
    background-size: 3px 3px;
    background-position: 0 0, 1px 1px, 2px 4px;
    opacity: 0.6;

    z-index: 0;
}

/* 中身を前面に */
.main-content-3 .content-row {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 9.375vw; /* 1920px幅のデザイン上での180px 180 ÷ 1920 = 0.9375 */
    /* gap: 180px; */
    padding-top: 168px;
    padding-bottom: 120px;
}

.main-content-3 .content-row .content-text-image {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 560px;
    padding: 88px 40px 40px 40px;
    gap: clamp(15px, 1.32vw + 4.74px, 30px); /* 780:15px, 1920:30px */

    background: #FFFFFF;
    box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.25);
    border-radius: 15px;
}

.main-content-3 h3 {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);

    text-align: center;
    font-size: clamp(1.5rem, 1.25rem + 0.52vw, 1.875rem);
    /* font-size: 1.875rem; */
    font-weight: var(--font-base-weight-bold);
    color: var(--white-text);

    background: #01498E;
    border-radius: 10px;

    width: 370px;
    height: 98px;

    padding: 0.185em 0 0.4663em 0;
}

.main-content-3 .h3-en {
    font-size: clamp(0.625rem, 0.417rem + 0.43vw, 0.938rem);
    /* font-size: 0.9375rem; */
    font-weight: var(--font-base-weight-regular);
}

.main-content-3 h4 {
    font-size: clamp(1.5rem, 1.333rem + 0.35vw, 1.75rem);
    /* font-size: 1.75rem; */
    font-weight: var(--font-base-weight-bold);
    line-height: 1.428;
}

.main-content-3 .content-row .content-text-image .text {
    font-size: clamp(0.938rem, 0.896rem + 0.09vw, 1rem);
    /* font-size: var(--font-base-size); */
    line-height: 2;
}

.main-content-3 .content-row .content-text-image img {
    width: 100%;
}

/* ===========================================================================
お知らせ エリア
=========================================================================== */

.main-content-4 {
    padding-top: 110px;
    padding-bottom: 110px;

    background: linear-gradient(270deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.18) 42.31%, rgba(255, 255, 255, 0.2) 100%);
    backdrop-filter: blur(7.5px);
}

.main-content-4 h3 {
    font-size: 2.25rem;
    font-weight: var(--font-base-weight-bold);
    line-height: 1.75;
}

.main-content-4 .h3-en {
    font-size: 1.5rem;
    font-weight: var(--font-base-weight-regular);
}

.information-content-wrap {
    margin: 50px auto;
}

.main-content-4 .information-content {
    display: flex;
    flex-direction: row;
    gap: 32px;
    padding: 2.5em 1.75em 2.5em 1.75em;
    border-top: 1px solid #01498E;
    font-size: 1.25rem;
    line-height: 1.5; /* デザイン上では3.15だが、改行された時の見た目を考慮して1.5に設定 */
    /* line-height: 3.15; */
}

.information-item:last-child .information-content {
    border-bottom: 1px solid #01498E;
}

/* aタグで囲まれている information-content のみ右矢印を表示 */
.information-content {
    position: relative;
}

/* 右矢印の疑似要素 */
.information-content a::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 1.75em;
    width: 20px;
    height: 29px;
    background-image: url("../../image/top/migi-yajirushi.webp");
    background-repeat: no-repeat;
    background-size: contain;
	transform: translateY(-50%);
    transition: transform 0.3s ease;
}

.information-content-wrap a > .information-content .text {
    padding-right: 2rem;
}

.information-content a {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: opacity 0.5s ease;
}


@media (any-hover: hover) {
    .information-content a:hover {
        opacity: 0.8;
    }
}

.main-content-4 .information-content .date {
    white-space: nowrap;
}

/* hover時の矢印アニメーション */
@media (any-hover: hover) {
    .information-content a:hover {
        opacity: 0.8;
    }

    /* ↓ 追加：ホバー時に右に5px移動させる */
    .information-content a:hover::after {
        transform: translate(15px, -50%);
    }
}

/* ===========================================================================
ふわっと表示
=========================================================================== */
.fadeIn_up {
opacity: 0;
  transform: translateY(20px); 
  transition: opacity 0.7s ease-out, transform 0.7s ease-out; /* 1.0sから0.7sに短縮 */
  will-change: opacity, transform;
}

/* 表示状態 */
.fadeIn_up.is-show {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================================================================
 複数カルーセルフェードイン
=========================================================================== */
.item3d {
  opacity: 0;
  /* GSAPで動かすので、CSS transitionなどは書かない */
}

/* ===========================================================================
レスポンシブ
=========================================================================== */
/* ▼ 1300px～1599px：PC */
@media screen and (min-width: 1300px) and (max-width: 1599px) {

    .kv-copy {
        top: 200px;
        right: 50px;
    }

}

/* ▼ 1150px～1299px：PC */
@media screen and (min-width: 1150px) and (max-width: 1299px) {

    .kv-copy {
        top: 180px;
        right: 25px;
    }

}

/* ↓　装飾　人物 */
@media only screen and (max-width: 1240px) {
        .three-values::before {
        width: 197px;
        transform: translateX(50%); 
    }
}

@media only screen and (max-width: 970px) {
        .three-values::before {
        width: 155px;
        transform: translateX(50%); 
    }
    .main-content-3 .content-row {
        gap: 20px;
    }
}
@media only screen and (max-width: 845px) {
        .three-values::before {
            left: -50px;
    }
}
@media only screen and (max-width: 720px) {
        .three-values::before {
            width: 135px;
    }
}
/* ↑　装飾　人物 */

/* ▼ 1000px～1149px：PC */
@media screen and (min-width: 1000px) and (max-width: 1149px) {

    .kv-copy {
        top: 150px;
        right: 25px;
    }

    .kv-text-icons img {
        height: 70px;
    }

}

/* ▼ 900px～999px：PC */
@media screen and (min-width: 900px) and (max-width: 999px) {

    .kv-copy {
        top: 120px;
        right: 20px;
    }

    .kv-text-icons img {
        height: 65px;
    }

}

/* ▼ 800px～899px：PC */
@media screen and (min-width: 800px) and (max-width: 899px) {

    .kv-copy {
        top: 120px;
        right: 20px;
    }

    .kv-copy-main {
        font-size: 27px;
    }

    .kv-copy-sub {
        font-size: 13px;
    }

    .kv-text-icons img {
        height: 50px;
    }

}

/* ▼ 769px～799px：PC */
@media screen and (min-width: 769px) and (max-width: 799px) {

    .kv-copy {
        top: 100px;
        right: 10px;
    }

    .kv-copy-main {
        font-size: 27px;
    }

    .kv-copy-sub {
        font-size: 13px;
    }

    .kv-text-icons img {
        height: 50px;
    }

}

/* ▼ 1237px～1499px：PC */
@media screen and (min-width: 1237px) and (max-width: 1499px) {

    .three-values-image img {
        width: 87px;
    }

    .three-values-image {
        transform: translate(0%, 180%);
    }

}

/* ▼ 769px～1236px：PC */
@media screen and (min-width: 769px) and (max-width: 1236px) {

    .three-values-image img {
        width: 150px;
    }

    .three-values-image {
        transform: translate(0%, 163%);
    }

}

/* ▼ 768px～835px：PC */
@media screen and (min-width: 769px) and (max-width: 835px) {

    .three-values-image img {
        width: 100px;
    }

    .three-values-image {
        transform: translate(100%, 443%);
    }

}

/* ▼ 1000px～1400px：PC */
@media screen and (min-width: 768px) and (max-width: 1400px) {

    /* ===========================================================================
    セールスポイント エリア
    =========================================================================== */

    .content-row--image-text .content-image {
        transform: translateX(125px);
        z-index: 2;
    }

    /* ===========================================================================
    技術と手法、実績と実例 エリア
    =========================================================================== */
    .main-content-3 .content-row {
        gap: 40px;
    }
    .main-content-3 .content-row .content-text-image {
        /* width: 400px; */
        padding: 70px 20px 20px 20px;
        gap: 15px;
    }

}

/* ▼ 769px～1400px：PC */
@media screen and (min-width: 768px) and (max-width: 1400px) {

    /* ===========================================================================
    セールスポイント エリア
    =========================================================================== */

    .main-content-1 .content-row {
        gap: 4.48vw; /* 1920px幅のデザイン上での86px 86 ÷ 1920 = 0.04479 */
    }

    .content-row--text-image .content-image {
        transform: translateX(0px);
        border-radius: 10px;
    }

    /* ===========================================================================
    技術と手法、実績と実例 エリア
    =========================================================================== */
    .main-content-3 h3 {
        width: 280px;
        height: 80px;
    }
}

/* ▼ ～768px：スマホ～タブレット */
@media screen and (max-width: 768px) {

    /* ===========================================================================
    ヒーローエリア
    =========================================================================== */

    .kv {
        height: 74.66vw;
    }

    /* グラデーションオーバーレイ */
    .kv::after {
        background:
            linear-gradient(
                180deg,
                rgba(30, 30, 30, 0.35) 14.87%,
                rgba(0, 0, 0, 0) 42.96%
            )
        ;
    }

    /* キービジュアル前面テキスト */
    .kv-copy {
        top: 21.33vw;        /* 375px幅のデザイン上での80px 80 ÷ 375 = 0.2133 */
        right: 0;
    }
    .kv-copy-main {
        font-size: 5.33vw;   /* 375px幅のデザイン上での20px 20 ÷ 375 = 0.0533 */
        line-height: 1.5;
    }

    .kv-copy-sub {
        display: none;
    }

    /* KV右下テキストアイコン */
    .kv-text-icons {
        right: 0;

        gap: 4.26vw;        /* 375px幅のデザイン上での16px 16 ÷ 375 = 0.0426 */
    }

    .kv-text-icons img {
        display: block;
        width: auto;
        height: 11.2vw;     /* 375px幅のデザイン上での42px 42 ÷ 375 = 0.112 */
    }

    section {
        padding: 0 27.5px 0 27.5px;
    }

    /* SAAMの説明テキストを場所を変えて表示 */
    .sp-saam-setsumei {
        display: block;

        font-size: clamp(0.938rem, 0.639rem + 1.27vw, 1.25rem);
        /* font-size: 0.9375rem; */
        line-height: 2;

        padding-top: 40px;
    }

    /* ===========================================================================
    セールスポイント エリア
    =========================================================================== */

    .main-content-1 {
        padding-top: 40px;
        padding-bottom: 60px;
        position: relative;
    }

    .main-content-1 .container-1200 {
        gap: 30px;
    }

    .main-content-1 .content-row {
        flex-direction: column;
        gap: 30px;
    }

    .main-content-1 .content-text {
        padding: 48px 10px 33px;
        gap: 16px;
        width: 320px;
    }

    .main-content-1 .content-text h3 {
        font-size: 1.5rem;
    }

    .main-content-1 .content-text .h3-en {
        font-size: 0.625rem;
    }

    .main-content-1 .content-text h4 {
        font-size: 1.6875rem;
        line-height: 1.7;
    }

    .main-content-1 .content-text h4 .emphasis {
        font-size: 2.5rem;
    }

    .main-content-1 .content-text .setsumei {
        font-size: 0.9375rem;
        line-height: 2.4;
    }

    .content-row--text-image .content-image {
        transform: translateX(0px);
        border-radius: 10px;
    }

    .content-row--image-text {
        position: relative;
    }

    .content-row--image-text .content-image {
        position: absolute;
        transform: translate(60%, 300%);
    }

    .content-row--image-text .content-image img {
        /* width: 150px;
        height: auto; */
        display: none;
    }
    .main-content-1::before {
        position: absolute;
        content: "";
        background-image: url(../../image/top/introduction_2.webp);
        width: 180px;
        height: auto;
        background-size: contain;
        aspect-ratio: 108 / 125;
        bottom: -33px;
        right: 25px;
        transform: translatey(25%);
        z-index: 1;

    }

    .content-row--image-text  .content-text h4 {
        display: none;
    }
    
    .content-row--image-text  .content-text h4.sp {
        display: block;
    }

    /* ===========================================================================
    SAAMシステムが変える3つのバリュー エリア
    =========================================================================== */

    .main-content-2 {
        background: linear-gradient(77.11deg, rgba(1, 73, 142, 0.9025) 44.95%, rgba(1, 73, 142, 0.665) 89.39%);
    }

    .main-content-2 .container-1200 {
        padding: 60px 0 317px 0;
    }

    .sp-break {
        display: block;
    }

    .main-content-2 h3 {
        font-size: 1.5rem;
        line-height: 1;
    }

    .main-content-2 .h3-en {
        font-size: 0.625rem;

        padding-top: 8px;
    }

    .three-values {
        flex-direction: column;
        align-items: center;
        gap: 20px;
        padding-top: 30px;
    }

    .three-values .value {
        width: 320px;
        padding: 30px 10px;
        gap: 20px;
    }

    .three-values-image {
        transform: translate(30%, 270%);
    }

    .three-values-image img {
        width: 33.86vw; /* 375px幅のデザイン上での127px 127 ÷ 375 = 0.338... */
        max-width: 127px;
        height: auto;
    }

    /* ===========================================================================
    技術と手法、実績と実例 エリア
    =========================================================================== */

    .main-content-3 .content-row {
        flex-direction: column;
        align-items: center;
        gap: 91px;
        padding-top: 102px;
        padding-bottom: 60px;
    }

    .main-content-3 .content-row .content-text-image {
        width: 100%;
        padding: 50px 0 40px 0;
    }

    .main-content-3 .content-row .content-text-image .text,
    .main-content-3 .content-row .content-text-image img,
    .main-content-3 .content-row .content-text-image .common-button {
        padding-left: 10px;
        padding-right: 10px;
    }

    .main-content-3 h3 {
        width: 260px;
        height: 80px;
        padding: 0.666em 0 0.666em 0;

        line-height: 1.5;
    }

    .main-content-3 h4 {
        line-height: 1.666;
        padding-left: 8px; /* 10pxだと「へ。」が折り返してしまうので 8px に設定 */
        /* padding-left: 10px; */
    }

    .main-content-3 .content-row .content-text-image .text {
        line-height: 1.5;
    }

    /* ===========================================================================
    お知らせ エリア
    =========================================================================== */

    .main-content-4 {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .information-content-wrap {
        margin: 30px auto;
    }

    .main-content-4 h3 {
        font-size: 1.5rem;
        line-height: 1.5;
    }

    .main-content-4 .h3-en {
        font-size: 0.625rem;
    }

    .main-content-4 .information-content {
        flex-direction: column;
        gap: 16px;
        padding: 1.875em 0;
        font-size: 1rem;
        line-height: 1.5;
    }

    .information-content-wrap a > .information-content {
        padding-bottom: 1rem;
        padding-bottom: 2rem;
    }

    .information-content-wrap a > .information-content::after {
        top: auto;
        bottom: 0;
        transform: none;
    }

    .information-content-wrap a > .information-content .text {
        padding-right: 0;
        padding-bottom: 1rem;
    }

}

/* ▼ 500px～768px：スマホ～タブレット */
@media screen and (min-width: 500px) and (max-width: 768px) {

    .sp-saam-setsumei {
        padding: 40px 60px 0 60px;
    }

    .main-content-1 .content-text,
    .content-row--text-image .content-image img,
    .main-content-3 .content-row .content-text-image {
        width: 82.03vw; /* 768px幅のデザイン上での630px 630 ÷ 768 = 0.8203... */
    }

    .main-content-1 .content-text {
        padding: 48px 30px 33px;
    }

    .three-values .value {
        width: 350px;
        padding: 30px 20px;
    }

    .content-row--image-text .content-image {
        position: absolute;
        transform: translate(110%, 250%);
    }

    .main-content-3 h4 {
        padding-left: 20px;
    }

    .main-content-3 .content-row .content-text-image .text,
    .main-content-3 .content-row .content-text-image img,
    .main-content-3 .content-row .content-text-image .common-button {
        padding-left: 20px;
        padding-right: 20px;
    }

    .footer-inner {
        padding: 60px 60px;
    }

}

/* ▼ 548px～768px：スマホ～タブレット */
@media screen and (min-width: 548px) and (max-width: 768px) {

    .logo-link img {
        width: 52.08vw; /* 768px幅のデザイン上での400px 400 ÷ 768 = 0.5208... */
    }

}

@media screen and (max-width: 420px) {
    /* ===========================================================================
    body 背景
    =========================================================================== */
    body::before {
        content: "";
        position: fixed;
        inset: 0;
        mask-image: url("../../image/top/body-bg-mobile.svg");
        mask-size: 100% auto;
        mask-position: center 6.5vw;/* デザイン上での上端50px位置の計算:50 ÷ 768 = 0.0651... -> 6.5vw */
        mask-repeat: no-repeat;
        opacity: 0.85;

        /* 背景を2層：①白のグラデーション透過画像　②アニメーション用のグラデーション */
        background-image: url("../../image/top/kv-white-gradation-sm.png"),
            linear-gradient(270deg, #6941c5, #0d66b9, #7a4c06, #488f51, #707070);
        background-size: 100% auto, 200% 200%; /* それぞれのサイズを指定 */
        /* SVGの高さ(123.95vw)から、pngの高さ分を引いた位置に配置 */
        background-position: center 102vw, 0% 50%;
        background-repeat: no-repeat, no-repeat;

        animation: Grad 7s ease infinite;
        z-index: -100000;
    }

    /* グラデーションの動き（背景を2層の①,②）*/
    @keyframes Grad {
        0%{background-position: center 102vw, 0% 50%}
        50%{background-position: center 102vw, 100% 50%}
        100%{background-position: center 102vw, 0% 50%}
    }
}