@charset "utf-8";
@import url('https://fonts.googleapis.com/css2?family=Barlow&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Vujahday+Script&display=swap');


/* 基本設定 */

html {
    background: transparent;
    font-size: 62.5%;
}
body {
    min-height: 100vh;
    background: #fff;
    color: #26303a;
    font-size: 1.3rem;
    font-family: 'メイリオ', 'ヒラギノ角ゴ', sans-serif;
    letter-spacing: 0.2em;
    line-height: 1.8;
}
a {
    text-decoration: none;
}

/* フォント設定 */
h2,
h3,
h4,
.mainNav,
.pageNav,
.headerInfo,
.backTop,
.date
{
    font-family: 'Barlow', sans-serif;
    font-weight: normal;
}
.siteNameLogo {
    font-family: 'Vujahday Script', cursive;
}

h2 {
    position: relative;
    top: 0;
    padding: 1px;
    margin: 50px 0 30px;
    font-size: 1.3em;
    line-height: 2.5rem;
    text-align: center;
    text-indent: .2em;
    z-index: 2;
}
h2::after {
    content: '';
    display: block;
    position: absolute;
    top: 70%;
    width: 50%;
    height: 1px;
    border-top: #cad4d8 solid 1px;
    box-sizing: border-box;
    transform: translateX(50%);
    z-index: -1;
}
h3 {
    border-left: #d7e6ec solid 5px;
    padding: 3px 10px;
    margin: 20px 0 15px;
    font-size: 1.1em;
}
h4 {
    margin: 15px 10px 10px;
}
strong {
    background: #609ba8;
    color: #fff;
}
em {
    background: center / 100%;
    background-image: linear-gradient(#ffffff25, #ffffff25), url('/img/main.png');
    font-weight: normal;
}
ul,ol {
    list-style: none;
}



/* 段落、余白 */
p {
    padding: 0 1.5em;
}
.box {
    position: relative;
    padding: 30px 40px 60px;
    margin: 100px 0;
    border: #cbd5d8 solid 1px;
}
.space {
    margin: 2em 1.5em 3em;
}

.pageWrap {
    padding: 10px 0;
    box-sizing: border-box;
}
.contentsWrap {
    width: 50%;
    min-width: 700px;
    max-width: 900px;
    min-height: 100vh;
    padding: 5vh 0;
    margin: 5vh auto 10vh;
    box-sizing: border-box;
}
.contentsWrap a {
    color: #60a8c5;
}


/* インデックス（メインヘッダー） */
.mainHeaderWrap {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
}

/* ↓余白調整 */
:root {
    --space: 20px;
}
.headerInfo {
    position: absolute;
    width: 100%;
    box-sizing: border-box;
    color: #3b4243;
    font-size: 1.3em;
    letter-spacing: .2em;
    line-height: 1em;
    z-index: 2;
}
.headerInfo > span {
    display: inline-block;
    background: #fff;
}
.headerInfo.side {
    max-width: 80vh;
}
.headerTop {
    top: calc(-1em - var(--space));
    right: 0;
    text-align: right;
}
.headerRight {
    top: 0;
    left: calc(100% + 1em + var(--space));
    text-transform: uppercase;
    transform: rotate(90deg);
    transform-origin: left top;
}
.headerBottom {
    bottom: calc(-1em - var(--space));
    left: 0;
}
.headerLeft {
    bottom: 0;
    left: calc(-1 * var(--space));
    transform: rotate(-90deg);
    transform-origin: left bottom;
}


.mainHeader {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    position: relative;
    width: 60%;
    max-width: 800px;
    height: 80vh;
    padding: 50px 50px 70px;
    background: url('/img/main.png') center / cover no-repeat #dde8ea;
    box-sizing: border-box;
}
.mainHeader::before {
    content: '';
    display: block;
    position: absolute;
    top: -13vh;
    left: 72%;
    width: 80%;
    height: 80%;
    background: url('/img/5kaku.png') left bottom / contain no-repeat;
}


.siteNameLogo {
    display: inline-block;
    position: relative;
    padding: 10px 0;
    font-size: 5rem;
    text-align: center;
}
.siteNameLogo::before {
    content: '';
    display: block;
    position: absolute;
    top: 20%;
    left: 5%;
    width: 90%;
    height: 60%;
    border: solid 1px #95adb4;
    box-sizing: border-box;
}
.siteNameLogo > span {
    display: inline-block;
    position: relative;
    color: #536163;
    font-weight: 500;
    letter-spacing: 0;
    transform: rotate(-3deg);
    z-index: 2;
}
.siteName {
    font-size: 1.8em;
    font-weight: normal;
}



/* ナビゲーション */
.mainNav {
    box-sizing: border-box;
}
.mainNav ul {
    display: flex;
    flex-wrap: wrap;
    position: relative;
}
.mainNav > ul {
    margin: 20px 0;
}
.mainNav li {
    margin: 0 10px;
}
.mainNav a {
    display: inline-block;
    position: relative;
    padding: 2px 0;
    background: #ffffff88;
    color: #6e7577;
    font-size: 1.2em;
    line-height: 1em;
}
.mainNav a::before {
    content: '';
    display: block;
    position: absolute;
    top: 70%;
    width: 30%;
    height: 1px;
    border-bottom: solid 1px #455d6800;
    box-sizing: border-box;
    transform: rotate(-3deg);
    transform-origin: left bottom;
    transition: .3s;
}
.mainNav a:hover::before {
    width: 100%;
    border-color: #455d6883;
}
.strech {
    width: 100%;
}
.lastUp {
    font-size: 1rem;
}
.lastUp::before {
    content: ':';
    display: block;
    margin: 5px 1em;
}


/* レスポンシブ調整用 */
@media (max-width:1100px) {
    body {
        font-size: 1.2rem;
    }
    .box {
        padding: 30px 30px 50px;
    }
    .contentsWrap {
        min-width: 600px;

    }
    .pageNav ul {
        padding: 10px 0;
    }
}

@media (max-width:700px) {
    h2 {
        margin: 20px 0;
        font-size: 1.2em;
    }
    h2::after {
        width: 70%;
        left: 15%;
        transform: none;
    }
    h3 {
        font-size: 1em;
    }
    h4 {
        margin: 10px 0;
    }
    p {
        padding: 0 .5em;
    }
    .box {
        padding: 20px 20px;
        margin: 50px 0;
        border-top: none;
        border-bottom: none;
    }
    .space {
        margin: 1em .5em;
    }
    .contentsWrap {
        width: 90%;
        min-width: 200px;
        max-width: 450px;
        padding: 0;
        margin: 30px auto;
    }

    .mailForm .input {
        width: 90%;
    }
    .nameChange .input {
        width: 6em;
    }

    .logTrigger {
        display: block;
        width: 4em;
        margin-left: auto;
    }

    .longList {
        display: block;
    }
    .longList li {

        margin: 30px 0;
    }
    .shortList {
        columns: 1;
    }
    .pageNav {
        position: fixed;
        top: 0;
        left: 0;
        width: 50px;
        height: 100%;
        background: #0000;

    }
    .pageNav::before {
        content: '';
        display: block;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: .5;
        transform: translate(-100%);
        transition: .3s;
        z-index: -1;
    }
}