body {
    font-family: 'Poppins', "BIZ UDGothic", 'Open Sans','Noto Sans JP', 'Hiragino Kaku Gothic ProN', Arial, sans-serif;
    background-color: #ffffff;
    color: #333333;
    overflow-y: scroll;
}

header {
    height: 50px;
    line-height: 50px;
    width: 100%;
    padding: 0 50px;
}

.section_inner {
    max-width: 1200px;
    padding: 100px 25px 0;
    margin: 0 auto;
}

footer {
    height: 30px;
    line-height: 30px;
    text-align: center;
    letter-spacing: 0.1em;
}

/* フォント */
h1 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 0.1em;
}

h2, .mv_text {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 0.1em;
}

h3 {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-align: center;
}

.normal {
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.1em;
}

.small, ul {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
}

footer {
    font-size: 10px;
    font-weight: 400;
}

/* メインビジュアル */
#mainvisual {
    height: calc(100vh - 50px);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    max-width: 1050px;
    margin: 0 auto;
    padding: 0 25px 100px;
    display: flex;
    align-items: center;
    column-gap: 50px;
}

.mv_text{
    width: 30%;
}

.mv_img{
    width: 70%;
}

.mv_img img{
    width: 100%;
}

.mv_text {
    text-align: center;
    line-height: 2.0;
}

/* 事業・運用中サイト */
.border {
    border: 1px solid #30add1;
    width: 60px;
    margin: 10px auto 15px;
}

.small_btn {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    background-color: #30ADD1;
    color: #ffffff;
    padding: 5px 10px;
    border-radius: 5px;
    margin: 15px auto 0;
    display: flex;
    justify-content: center;
    width: fit-content;
}

.inactive_btn {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    background-color: #888888;
    color: #ffffff;
    padding: 5px 10px;
    border-radius: 5px;
    margin: 15px auto 0;
    display: flex;
    justify-content: center;
    width: fit-content;
}

.small_btn:hover, .large_btn:hover {
    background-color: #333333;
}

.section_title{
    text-align: center;
}

.section_title h2{
    margin-bottom: 15px;
}

.service_item_wrap, .site_item_wrap{
    display: flex;
    column-gap: 50px;
    justify-content: center;
}

.service_item, .site_item{
    border: 2px solid #333333;
    border-radius: 10px;
    padding: 20px;
    width: 300px;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.note {
    text-align: center;
    margin: 40px 0 30px;
    line-height: 1.5;
}

/* 私について */
.aboutme_detail {
    width: 480px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    row-gap: 10px;
    list-style-type: circle;
    padding: 20px 20px 20px 60px;
    background-color: #eeeeee;
    border-radius: 10px;
    line-height: 1.5;
}

.inforg_detail{
    width: 480px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.8;
    text-align: center;
    background-color: #eeeeee;
    border-radius: 10px;
}

.aboutme_name {
    font-size: 18px;
    font-weight: 400;
    text-align: center;
    margin: 30px 0 20px;
    letter-spacing: 0.1em;
}

/* コンタクト */
.contact_note{
    text-align: center;
    margin: 40px 0 20px;
    line-height: 1.5;
}

.large_btn{
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1em;
    background-color: #30ADD1;
    color: #ffffff;
    padding: 12px 20px;
    border-radius: 5px;
    margin: 0 auto 80px;
    display: flex;
    justify-content: center;
    width: fit-content;
}

/*----- app.html -----*/
.app_section_inner {
    max-width: 1200px;
    padding: 30px 25px;
    margin: 0 auto;
}

.app_item_wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.app_item {
    border: 2px solid #333333;
    border-radius: 10px;
    padding: 15px 20px 20px;
    width: 700px;
    display: flex;
    flex-direction: column;
}

.app_item_top {
    line-height: 1.8;
}

.app_item h3{
    border-bottom: 1px solid #333333;
    padding-bottom: 10px;
    margin-bottom: 10px;
}

.app_item a {
    background-color: #30add1;
    color: #ffffff;
    border-radius: 5px;
    display: block;
    text-align: center;
    padding: 10px;
    margin: 20px auto 0;
    width: 200px;
}

.app_item a:hover {
    background-color: #333333;
}

.tech_wrap {
    display: flex;
    gap: 5px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.tech_wrap span{
    font-size: 11px;
    font-weight: 400;
    padding: 3px 5px;
    border: 1px solid #333333;
    border-radius: 5px;
}

.backlink {
    text-align: center;
    margin-bottom: 20px;
}

.backlink:hover, .child_h1:hover {
    color: #30ADD1
}

/*----- Scroll Down -----*/

.mv-scroll{
	position:absolute;
	bottom: 10px;
	left: 50%;
}

.mv-scroll span{
	position: absolute;
	left: 10px;
	bottom: 0px;
	color: #333333;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.2em;
    writing-mode: vertical-rl;
}

.mv-scroll::before {
    content: "";
    position: absolute;
    bottom: 0px;
    left: -3px;
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background-color: #333333;
	animation:
		circlemove 2.0s ease-in-out infinite,
		cirlemovehide 2.0s ease-out infinite;
}

/*下からの距離が変化して丸の全体が上から下に動く*/
@keyframes circlemove{
    0%{bottom: 40px;}
    100%{bottom: 0px;}
}

/*上から下にかけて丸が透過→不透明→透過する*/
@keyframes cirlemovehide{
    0%{opacity:0}
    50%{opacity:1;}
    80%{opacity:0.9;}
    100%{opacity:0;}
}

.mv-scroll::after{
	content: "";
	position: absolute;
	bottom: 0px;
	left: 0px;
	width: 1px;
	height: 50px;
	background-color:#333333;
}

/*----- Pagetop -----*/
.pagetop {
    position: fixed;
    right: 10px;
    bottom: 10px;
    z-index: 3;
    opacity: 0;
    transform: translateY(100px);
}
  
.pagetop a{
    width: 30px;
    height: 30px;
    border-radius: 5px;
    display: block;
    transition: all 0.3s;
    position: relative;
}
  
.pagetop a::before {
    content: "";
    width: 10px;
    height: 10px;
    position: absolute;
    top: 12px;
    left: 10px;
    transform: rotate(-45deg);
    border-top: 2px solid #333333;
    border-right: 2px solid #333333;
    border-radius: 2px;
}
  
.pagetop a:hover{
    background-color: #333333;
}

.pagetop a:hover::before {
    border-top: 2px solid #ffffff;
    border-right: 2px solid #ffffff;
}

/*　上に上がる動き　*/
.pagetop.pt-up{
    animation: ptupAnime 1.0s forwards;
}
@keyframes ptupAnime{
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/*　下に下がる動き　*/
.pagetop.pt-down{
    animation: ptdownAnime 1.0s forwards;
}
@keyframes ptdownAnime{
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 1;
        transform: translateY(50px);
    }
}

/* --------------------
    for SP size 
-------------------- */
@media screen and (max-width: 768px){

    header {
        padding: 0 25px;
    }

    .section_inner {
        padding: 70px 25px 0;
    }

    .spbr {
        display: block;
    }

    /* メインビジュアル */
    #mainvisual {
        flex-direction: column;
        row-gap: 30px;
        justify-content: center;
    }

    .mv_text, .mv_img{
        width: 100%;
    }

    /* 事業・運用中サイト */
    .service_item_wrap, .site_item_wrap{
        flex-direction: column;
        align-items: center;
        row-gap: 20px;
    }

    /* 私について */

    .aboutme_detail {
        width: 100%;
        padding: 20px 20px 20px 40px;
    }

    .inforg_detail{
        width: 100%;
    }

    .large_btn {
        margin: 0 auto 70px;
    }

    /* ----- Pagetop ----- */
    .pagetop {
        right: 7px;
        bottom: 7px;
    }
    
    .pagetop a{
        width: 24px;
        height: 24px;
    }
    
    .pagetop a::before {
        width: 10px;
        height: 10px;
        top: 9px;
        left: 7px;
    }

    /*----- app.html -----*/
    .app_item {
        width: 100%;
        padding: 15px;
    }

    .tech_wrap span{
        font-size: 10px;
    }

    .app_item a {
        width: 120px;
    }
}