* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    background-color: #EFEFEF;
    font-size: 16px;
    color: #838282;
    position: relative;
    font-weight: normal;
    line-height: 1.8;
    letter-spacing: 0.05em;
    overflow-x: hidden;
    width: 100%;
    font-family: "Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;
}

a {
    color: inherit;
    text-decoration: underline;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1000px;
    background: 
        linear-gradient(to bottom, transparent 80%, #EFEFEF 100%),
        linear-gradient(to right, #B0CCE0, #F9AE9D);
    background-size: 100% 100%, 100% 100%;
    background-position: 0 0, 0 0;
    background-repeat: no-repeat, no-repeat;
    z-index: -1;
}

.background-svg {
    position: absolute;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    width: 2500px;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.background-svg__image {
    width: 100%;
    height: auto;
    object-fit: contain;
    opacity: 0.8;
}

.container{
    width: 1040px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}


/* セクション別カラー指定 */
.Menu {
    color: #ffffff;
    padding-top: 40px;
    margin-bottom: 200px;
    display: flex;
    gap: 24px;
    justify-content: flex-end;
}

.Menu__button {
    color: #ffffff;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.Menu__button:hover {
    opacity: 0.8;
}

.Menu__button--icon {
    height: 16px;
    display: block;
    filter: brightness(0) invert(1);
}


.KeyVisual {
    color: #ffffff;
    width: 600px;
    margin-bottom: 320px;
    position: relative;
}

.KeyVisual__title {
    height: 52px;
    margin-bottom: 120px;
    display: block;
}

.KeyVisual__subtitle {
    font-size: 30px;
    margin-bottom: 24px;
    font-weight: bold;
}


.ContentBlock {
    margin-bottom: 160px;
}

.ContentBlock__title {
    color: #B7B5B1;
    display: flex;
    gap: 24px;
    align-items: baseline;
    margin-bottom: 40px;
}

.ContentBlock__title--en {
    height: 44px;
    display: block;
}


.ServiceBlock {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    margin-bottom: 80px;
}

.ServiceBlock__image {
    width: 560px;
    height: 320px;
    flex-shrink: 0;
    border-radius: 16px;
}

.ServiceBlock__title {
    font-size: 30px;
    margin-bottom: 24px;
    font-weight: bold;
}

.ServiceBlock__text {
    margin-bottom: 24px;
}

.ServiceBlock__button {
    font-size: 20px;
    border: 1px solid #838282;
    border-radius: 40px;
    padding: 8px 32px;
    display: inline-block;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

.ServiceBlock__button:hover {
    opacity: 0.8;
}

.CompanyBlock {
    background-color: #ffffff;
    border-radius: 16px;
    padding: 40px;
}

.CompanyBlock__list {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
}

.CompanyBlock__list:last-child {
    margin-bottom: 0;
}

.CompanyBlock__term {
    min-width: 120px;
    flex-shrink: 0;
    font-weight: bold;
}

.CompanyBlock__desc {
    flex: 1;
}

.ContentBlock__title {
    font-size: 56px;
}

.ContentBlock__title--ja {
    font-size: 24px;
}

.ContactBlock__text {
    margin-bottom: 24px;
}

.ContactBlock__button {
    font-size: 20px;
    border: 1px solid #838282;
    border-radius: 40px;
    padding: 8px 32px;
    display: inline-block;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

.Footer {
    text-align: center;
    padding: 40px 0;
}

.Footer__copyright {
    font-size: 14px;
    color: #838282;
}

/* レスポンシブ対応 */
@media (max-width: 1100px) {
    .container {
        width: 90%;
        padding: 0 20px;
    }
    
    .background-svg {
        width: 2500px;
    }
}

@media (max-width: 768px) {
    body::before {
        height: 800px;
    }
    
    .background-svg {
        top: 160px;
        left: 60%;   
        width: 1500px;
    }

    .Menu {
        padding-top: 40px;
        margin-bottom: 180px;
        gap: 16px;
    }
    
    .Menu__button--icon {
        height: 14px;
    }
    
    .KeyVisual {
        width: 100%;
        margin-bottom: 200px;
    }
    
    .KeyVisual__title {
        height: 40px;
        margin-bottom: 120px;
    }
    
    .KeyVisual__subtitle {
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    body {
        font-size: 16px;
    }
    
    .ContentBlock {
        margin-bottom: 100px;
    }
    
    .ContentBlock__title {
        gap: 16px;
        margin-bottom: 30px;
        flex-wrap: wrap;
    }
    
    .ContentBlock__title--en {
        height: 36px;
    }
    
    .ContentBlock__title--ja {
        font-size: 20px;
    }
    
    .ServiceBlock {
        flex-direction: column;
        gap: 24px;
        margin-bottom: 60px;
    }
    
    .ServiceBlock__image {
        width: 100%;
        height: auto;
    }
    
    .ServiceBlock__title {
        font-size: 24px;
    }
    
    .CompanyBlock {
        padding: 24px;
    }
    
    .CompanyBlock__list {
        flex-direction: column;
        gap: 8px;
        margin-bottom: 20px;
    }
    
    .CompanyBlock__term {
        min-width: auto;
    }
    
    .Footer {
        padding: 30px 0;
    }
    
    .Footer__copyright {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        width: 100%;
        padding: 0 32px;
    }
    
    .background-svg {
        top: 180px;
        left: 50%;   
        width: 500px;
    }

    .Menu {
        padding-top: 40px;
        margin-bottom: 176px;
        gap: 12px;
    }
    
    .Menu__button--icon {
        height: 12px;
    }
    
    .KeyVisual__title {
        height: 32px;
        margin-bottom: 120px;
    }
    
    .KeyVisual__subtitle {
        font-size: 20px;
        margin-bottom: 16px;
    }
    
    body {
        font-size: 14px;
    }
    
    .ContentBlock {
        margin-bottom: 80px;
    }
    
    .ContentBlock__title--en {
        height: 28px;
    }
    
    .ContentBlock__title--ja {
        font-size: 18px;
    }
    
    .ServiceBlock__title {
        font-size: 20px;
        margin-bottom: 16px;
    }
    
    .ServiceBlock__text {
        margin-bottom: 16px;
    }
    
    .ServiceBlock__button,
    .ContactBlock__button {
        font-size: 16px;
        padding: 6px 24px;
    }
    
    .CompanyBlock {
        padding: 20px;
    }
}