@charset "utf-8";

@import url("https://fonts.googleapis.com/css2?family=Roboto+Condensed&display=swap");
/* フォントのライセンス表記 */
/*
'Roboto Condensed' is licensed under the Apache License 2.0.
(http://www.apache.org/licenses/LICENSE-2.0)

You can download the original font from here.
https://fonts.google.com/specimen/Roboto+Condensed
*/

/* 基本設定 */
html {
  background: transparent;
  font-size: 62.5%;
}
a {
  text-decoration: none;
}
body {
  background: #0f1720;
  min-height: 100vh;
  color: #d7e6f2;
  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;
  color: #86a1e0ff;
}
ul,
ol {
  list-style: none;
}

/* フォント指定まとめて */
h1,
h2,
h3,
h4,
.logList dd,
.mainHeader,
.mainNav,
.backTop {
  font-family: "Roboto Condensed", sans-serif;
  font-weight: normal;
}

/* 見出し */
.h2-count {
  counter-reset: count;
}
h2 {
  margin: 10px 0 20px;
  font-size: 1.2em;
  text-align: center;
}
h2 > div,
h2::before {
  display: block;
  color: #97b0bf;
  font-size: 2.5em;
  font-weight: lighter;
  line-height: 1;
}
.h2-count h2::before {
  counter-increment: count;
  content: counter(count, decimal-leading-zero);
}
.h2-count .h2-plain::before {
  content: none;
}
h3 {
  padding: 0;
  margin: 20px 0;
  font-size: 1.1em;
}
h3 > span {
  display: inline-block;
  position: relative;
  padding: 3px 10px;
}
h3 > span::before {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  border-bottom: #363a3b solid 2px;
  box-sizing: border-box;
}
h3 > span::after {
  content: "";
  display: block;
  position: absolute;
  left: 100%;
  bottom: 0;
  width: 30px;
  height: 8px;
  background: url("../img/design77_arrow.svg") left center / auto 100% no-repeat;
}

h4 {
  margin: 10px;
  line-height: 25px;
}
h4 > span {
  padding: 5px 10px;
  background: #d5dcea;
  background: #405461ff;
}

/* フォーム関連 */
input[type],
textarea {
  border: #88b5cf solid 1px;
  font-family: inherit;
  font-size: 95%;
  line-height: 1.5;
}
.form,
.button {
  padding: 5px;
}
.form {
  background: #fff;
}
.button {
  padding: 5px 10px;
  background: #88b5cf;
  color: #fff;
}
.mailForm .form {
  width: 70%;
  max-width: 400px;
  margin-bottom: 5px;
}
.nameChangeForm .form {
  width: 10em;
}

/* 強調 */
em {
  background: linear-gradient(#0000 85%, #88b4cf 85%, #88b4cf 95%, #0000 95%)
    no-repeat;
  color: #cfe6f9;
  font-style: normal;
}
strong {
  background: #27404a;
  color: #fff;
  font-weight: bolder;
}

/* 段落、余白、基本リンク色 */
p {
  margin: 0 2em;
}
.box {
  margin: 80px 0;
  scroll-margin-top: 50px;
  scroll-snap-margin-top: 50px; /* safari用 */
}

.space {
  margin: 2em;
}

.pageWrap {
  position: relative;
  width: 60%;
  max-width: 1100px;
  min-width: 650px;
  padding: 50px;
  margin: 0 auto 0 35%;
  background: #0f1720;
  box-sizing: border-box;
}
.pageWrap a {
  color: #639db4;
}
.mainWrap,
.logWrap {
  margin: 100px 0 10vh;
}

/* メインコンテンツ */
.mainContents h4 {
  margin-top: 2em;
}
.contentsList {
  display: flex;
  flex-wrap: wrap;
  margin: 1em 2em;
}
.contentsList a:visited {
  color: #667d86;
}
.longList li::after {
  content: "-";
  margin: 0 0.5em;
  color: #a2b5d2;
}
.longList li:last-of-type::after,
.longList .longInfo::after {
  content: none;
}
.longInfo {
  width: 100%;
  margin-bottom: 5px;
  color: #7886a2;
  font-size: 0.9em;
}
.shortList li {
  margin: 0 1.5em 5px 0;
}

/* ログページ */
.logWrap h2 {
  margin-top: 80px;
}
.logList {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 15px 10px;
}
.logWrap dd {
  align-self: start;
  padding: 1px 10px;
  margin: 0 0 0;
  background: #11222c;
}
.logList dt {
  padding: 1px 0;
}
.logList p {
  margin: 0 0.5em;
}
.logOpen {
  margin-left: 0.5em;
  cursor: pointer;
}
.logOpen::before {
  content: "追記";
}
.more {
  height: 0;
  overflow: hidden;
  transition: 0.5s;
}
.moreText {
  padding: 0.5em 0 0 1em;
  box-sizing: border-box;
  color: #8d9da3;
}

/* メインヘッダー */
.mainHeader {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: fixed;
  top: 0;
  left: 0;
  width: 30%;
  height: 100vh;
  padding: 10vh 30px 50px;
  background: url("../img/design67_2.png") right center / cover #cfe0ea;
  box-sizing: border-box;
}

.mainNavInfo {
  position: relative;
  margin: auto 0;
  text-align: center;
}
.navSiteName {
  display: inline-block;
  position: relative;
  padding: 5px 20px 0;
  color: #4878a44a;
  font-size: 5em;
  line-height: 1;
  text-shadow: 0 0 20px #fff;
  text-transform: uppercase;
  z-index: 2;
}
.navSiteInfo {
  position: absolute;
  top: 45%;
  width: 100%;
  font-size: 1.2em;
  transform: rotate(-5deg);
  z-index: 2;
}
.mainHeader h1 {
  margin-top: auto;
  padding: 2px 0;
  font-size: 2em;
  font-weight: bolder;
}
.mainHeader .siteName {
  padding: 30px 0 0;
}
.mainHeader .url {
  margin-bottom: 10px;
  font-size: 1.1rem;
  letter-spacing: 0.15em;
}

/* ナビゲーション */
.mainNav {
  margin-top: 50px;
  text-align: right;
}
.mainNav > ul {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
}
.mainNav li {
  margin-bottom: 5px;
}
.mainNav li a {
  display: inline-block;
  position: relative;
  background: linear-gradient(
      90deg,
      #ffffff calc(100% / 2),
      #000 calc(100% - (100% / 2))
    )
    right / 200% #a2c5cb;
  -webkit-background-clip: text;
  background-clip: text;
  color: #0000;
  font-size: 1.2em;
  transition: 0.3s;
}
.mainNav li a:hover {
  background-position: left, center;
}

/* トップに戻るボタン */
.backTop {
  padding-right: 40px;
  opacity: 0;
  text-align: right;
  transition: 0.3s;
  visibility: hidden;
}
.backTop a {
  display: inline-block;
  position: fixed;
  bottom: 40px;
  width: 40px;
  height: 40px;
  background: url("../img/design67_2.png") center / 300% no-repeat;
  box-sizing: border-box;
  color: #363a3b;
  line-height: 38px;
  text-align: center;
  text-indent: 0.2em;
  z-index: 2;
}
.view.backTop {
  opacity: 1;
  visibility: visible;
}

/* フッター（削除OK※デフォルト非表示） */
.mainFooter {
  display: none;
  margin: 5vh 0;
  font-size: 1rem;
  text-align: center;
  opacity: 0.3;
}

/* レスポンシブ調整用 */
@media (max-width: 850px) {
  body {
    font-size: 1.2rem;
  }
  h2 {
    margin-bottom: 1em;
    font-size: 1.1em;
  }
  h2 > div,
  h2::before {
    font-size: 1.8em;
  }
  h3 {
    margin: 10px 0 15px;
    font-size: 1em;
  }
  h2 + h3 {
    margin-top: 1em;
  }
  .form,
  .button {
    padding: 3px;
  }
  .mailForm .form {
    width: 90%;
    max-width: 400px;
    min-width: 50px;
  }
  .nameChangeForm .form {
    width: 8em;
  }
  p {
    margin: 0 1em;
  }
  .box {
    margin: 50px 0;
  }
  .space {
    margin: 1em 2em;
  }
  .pageWrap {
    width: 100%;
    min-width: 200px;
    max-width: 550px;
    padding: 20px;
    margin: auto;
  }
  .mainWrap {
    margin: 60px 0;
  }
  .contentsList {
    display: block;
    margin: 1em 1.5em;
  }
  .contentsList li {
    margin-bottom: 5px;
  }
  .longList li::after {
    content: none;
  }
  .contentsList .longInfo {
    display: block;
  }
  .moreText {
    padding: 0.5em 0 0 0;
  }
  .mainHeader {
    justify-content: flex-start;
    position: fixed;
    top: 0;
    left: 0;
    width: calc(100% - 80px);
    max-width: 500px;
    height: 100vh;
    padding-top: 100px;
    background-position: left;
    transform: translateX(-100%);
    transition: 0.5s;
    z-index: 2;
  }
  .mainHeader::after {
    content: "menu";
    position: absolute;
    top: 20px;
    right: -60px;
    width: 100px;
    height: 30px;
    padding: 10px 10px 10px 20px;
    border-bottom: #000 solid 2px;
    box-sizing: border-box;
    line-height: 1.1em;
    text-align: right;
    text-transform: uppercase;
  }
  .mainHeader::before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 100%;
    height: 0;
    width: 0;
    transition: 0.3s;
  }
  .view.mainHeader {
    transform: translateX(0);
  }
  .view.mainHeader::before {
    width: 100vw;
    height: 100%;
    background: #fffd;
  }
  .view.mainHeader::after {
    content: "close";
    color: #777;
    border-color: #b8b8b8;
  }
  .mainNavInfo {
    display: none;
  }
  .indexHeader {
    position: static;
    width: 100%;
    max-width: 900px;
    padding: 10px 30px 60px;
    background-image: linear-gradient(5deg, #fff 65px, #fff0 65px),
      url("../img/design67_2.png");
    transform: none;
  }
  .indexHeader::before,
  .indexHeader::after {
    content: none;
  }
  .indexHeader .mainNavInfo {
    display: block;
  }
  .indexHeader .navSiteName {
    font-size: 5em;
  }
  .siteName {
    padding-top: 30px;
  }
  h1 {
    font-size: 1.5em;
  }
  .mainNav {
    align-self: start;
    position: static;
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
  }
  .mainNav > ul {
    flex-direction: column;
  }
  .backTop a {
    bottom: 20px;
  }
}