@charset "UTF-8";
/* --------------------------------------------------
   Template by espace（https://espace.monbalcon.net/）
   Copyright: 2020 espace.

   利用規約を遵守の上、ご利用ください。
   二次配布、販売は禁止しています。
   --------------------------------------------------*/

/* ----- ▼ リセット　ここから（基本的には触らない方が良い部分） ▼ ----- */
html {
  font-size: 62.5%;
}

:focus {
  outline: none;
}

a {
  text-decoration: none;
}

a, a::after, a::before, button, button::after, button::before, input, textarea, select {
  transition: all 0.7s;
}

a img, button img {
  transition-duration: .35s;
}

button {
  outline: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  cursor: hand;
}

input, textarea, select {
  font-size: 1.6rem;
}

input, textarea {
  box-shadow: none;
  -webkit-appearance: none;
}

select {
  appearance: button;
}

p, dl, ul, form {
  font-size: 90%;
  margin: 25px 0;
  word-break: break-all;
}

p:last-child, dl:last-child, ul:last-child, form:last-child {
  margin-bottom: 0;
}

img {
  vertical-align: middle;
}

@media only screen and (max-width: 900px) {
  p, form {
    margin: 0 0 1.7rem;
  }
  p:last-child, form:last-child {
    margin-bottom: 0;
  }
}
/* ----- ▲ リセット　ここまで（基本的には触らない方が良い部分） ▲ ----- */

/* ----- ▼ レイアウト　ここから ▼ ----- */
/* 基本 */
body {
  margin: 0;
  padding: 0;
}

body, button, input, textarea, select {
  font: 500 1.6rem/calc(1.6rem + 1.05rem) "Yu Gothic", Meiryo, "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", sans-serif;
  color: #4e5b6a;
}

header {
  position: fixed;
  height: 100vh;
  top: 0;
  left: 0;
  padding-left: 50px;
}

header::before {
  content: "";
  position: absolute;
  display: block;
  width: 50px;
  height: 100%;
  top: 0;
  left: 0;
  background: #fff url("../img/layout/bg_image_katakoi.jpg") 160px top;
}

header > * {
  writing-mode: vertical-rl;
}

main, footer {
  max-width: 1500px;
  margin: 0 0 0 170px;
}

main > article:last-child {
  margin-bottom: 100px;
}

main > .column:last-child article:last-child, main > .column:last-child article:nth-last-child(2) {
  margin-bottom: 100px;
}

article {
  position: relative;
  max-width: 670px;
  margin-bottom: 200px;
  padding: 10px 0 10px 50px;
  border-left: 2px solid #bfc8cd;
}

article > h2:first-child + * {
  margin-top: 0;
}

article > h2:first-child + * > *:first-child {
  margin-top: 0;
}

div.column {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}

div.column > * {
  width: 43%;
  margin-right: 30px;
}

a {
  color: #cb6ac0;
}

a:hover {
  background: #ece6ec;
}

/* メニュー */
.menu {
  position: absolute;
  max-height: calc(100% - 250px);
  white-space: nowrap;
  overflow-y: auto;
  padding: 0 0 5px 0;
  bottom: 0;
  left: 50px;
  letter-spacing: 2px;
  font-family: "Cormorant Unicase", "Yu Mincho", YuMincho, "Hiragino Mincho Pro", serif;
  font-weight: 700;
  font-size: 16px;
}

.menu::-webkit-scrollbar {
  width: 4px;
}

.menu::-webkit-scrollbar-track {
  background: transparent;
  border: none;
  box-shadow: none;
}

.menu::-webkit-scrollbar-thumb {
  background: #ededed;
  border: 0;
  border-radius: 4px;
  box-shadow: none;
}

.menu ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu ul li {
  display: inline-block;
  margin-bottom: -5px;
}

.menu a {
  position: relative;
  display: inline-block;
  padding: 7px 0;
  color: #4f7097;
  background: transparent;
}

.menu a:hover {
  filter: blur(2px);
  color: #cb6ac0;
}

.manu-toggler {
  display: none;
}

.fixed-menu {
  position: fixed;
  bottom: 0;
  left: 123px;
}

.fixed-menu ul {
  padding: 0;
  list-style: none;
}

.fixed-menu ul li {
  margin: 5px;
}

.fixed-menu a, .fixed-menu button {
  position: relative;
  display: block;
  box-sizing: border-box;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid #a1b7b7 !important;
  background: #fff !important;
  color: #a1b7b7 !important;
}

.fixed-menu a::before, .fixed-menu button::before {
  position: absolute;
  width: 26px;
  top: 10px;
  left: calc(50% - 13px);
  text-align: center;
  font: 900 16px/1 "Font Awesome 5 Free";
}

.fixed-menu a:hover, .fixed-menu button:hover {
  background: rgba(161, 183, 183, 0.3) !important;
  box-shadow: none !important;
}

.fixed-menu .pagetop a::before, .fixed-menu .pagetop button::before {
  content: "\f106";
}

.fixed-menu .prev a::before, .fixed-menu .prev button::before {
  content: "\f104";
}

.fixed-menu .next::before {
  content: none;
}

.fixed-menu .next a::before, .fixed-menu .next button::before {
  content: "\f105";
}

.fixed-menu .toc a::before, .fixed-menu .toc button::before {
  content: "\f0ca";
}

.fixed-menu .home a::before, .fixed-menu .home button::before {
  content: "\f015";
}

@media only screen and (max-width: 900px) {
  .menu {
    position: absolute;
    display: block;
    writing-mode: horizontal-tb;
    width: 230px;
    height: 100vh;
    max-height: 100vh;
    left: -230px;
    transition: all 0.7s;
    background: #fff url("../img/layout/bg_image_katakoi.jpg") 160px top;
  }
  .menu.open {
    left: 0;
  }
  .menu ul {
    position: absolute;
    width: calc(100% - 30px);
    bottom: 0;
    padding-bottom: 144px;
  }
  .menu ul li {
    display: block;
    margin-bottom: 5px;
  }
  .menu a {
    display: block;
    padding: 7px;
    background: rgba(255, 255, 255, 0.6);
  }
  .manu-toggler {
    display: inline-block;
    position: fixed;
    width: 30px;
    height: 30px;
    bottom: 0;
    left: 0;
    background: rgba(255, 255, 255, 0.6);
    border: 0;
    text-align: center;
    color: #4f7097;
    z-index: 1;
  }
  .manu-toggler::after {
    content: "\f054";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
  }
  .manu-toggler.open::after {
    content: "\f053";
  }
  .fixed-menu {
    left: auto;
    right: 0;
    bottom: 15px;
  }
  .fixed-menu ul {
    display: flex;
  }
}

/* 見出し */
h1 {
  height: 250px;
  margin: 0;
  font: 600 40px/1 "Cormorant Unicase", "Yu Mincho", YuMincho, "Hiragino Mincho Pro", serif;
}

h1 a {
  color: #bfc8cd;
}

h1 a:hover {
  color: #4f7097;
  background: transparent;
}

#INDEX h1 {
  height: auto;
  padding: 50px 0;
}

h2, h3, h4, h5, dt {
  font: 600 1.6rem/1 "Cormorant Unicase", "Yu Mincho", YuMincho, "Hiragino Mincho Pro", serif;
}

h2 {
  position: absolute;
  margin: 0;
  top: 0;
  left: 0;
  writing-mode: vertical-rl;
  font-size: 2rem;
  color: #bfc8cd;
}

h3 {
  position: relative;
  margin: 100px 0 10px;
  padding: 2px 0 10px;
  font-size: 1.8rem;
  color: #4f7097;
}

h3::before {
  content: "";
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-image: linear-gradient(to right, #4f7097 -100%, #bfc8cd 100%);
}

h4, h5 {
  margin: 50px 0;
  font-size: 1.6rem;
}

h4 {
  padding: 7px 5px;
  background: #ededed;
  color: #4f7097;
}

h5 span {
  padding: 5px;
  background: #ededed;
  color: #6e9192;
}

/* リスト */
ul .description, ol .description {
  margin-left: 10px;
}

ul .description::before, ol .description::before {
  content: "…";
  margin-right: 10px;
}

ul li.next {
  list-style: none;
}

ul li.next::before {
  content: "→";
  margin-right: 5px;
  font-size: 120%;
}

ul.small {
  list-style: none;
  padding-left: 0;
}

ul.small li {
  display: inline;
}

ul.small li::before {
  color: #4f7097;
}

ul.small li:not(:first-child):not(.next)::before {
  margin: 0 5px 0 2px;
  content: ":";
  font-weight: 900;
}

ul.small li.next::before {
  margin: 0 7px 0 2px;
}

dl {
  margin: 10px 0;
}

dl dt {
  font-size: 90%;
  font-family: "Cormorant Unicase", "Yu Mincho", YuMincho, "Hiragino Mincho Pro", serif;
  font-weight: 600;
}

dl dd {
  margin: 0 0 15px;
  padding: 0 0 15px 40px;
  border-bottom: 1px solid #ededed;
}

dl dd:last-of-type {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

dl.inline {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  margin: 0;
  box-sizing: border-box;
}

dl.inline dt, dl.inline dd {
  vertical-align: top;
  margin: 0 0 15px 0;
  padding: 0 0 15px;
}

dl.inline dt:last-of-type, dl.inline dd:last-of-type {
  margin-bottom: 0;
  padding-bottom: 0;
}

dl.inline dt {
  width: 250px;
  padding: 0 30px 10px 0;
  padding-right: 30px;
  border-bottom: 1px solid #ededed;
}

dl.inline dt:last-of-type {
  border-bottom: 0;
}

dl.inline dd {
  width: calc(100% - 250px - 30px);
}

dl.border {
  padding: 15px 20px;
  border: 1px solid #ededed;
  border-radius: 0.25rem;
}

/* フォーム */
.form-inline > *, .form-block > * {
  margin-bottom: 5px;
}

.form-block dl dt, .form-block dl dd {
  border-bottom: 0;
}

.form-block dl.inline dt {
  width: 130px;
}

.form-block dl.inline dd {
  width: calc(100% - 130px - 30px);
}

.form-block > *, .form-block dl dd > * {
  width: 100%;
  box-sizing: border-box;
}

.required::after {
  content: "*";
  color: #cb6ac0;
}

input, textarea, select,
button:not(.manu-toggler), input[type="submit"], input[type="button"] {
  border-radius: 0;
}

input::placeholder, textarea::placeholder, select::placeholder,
button:not(.manu-toggler)::placeholder, input[type="submit"]::placeholder, input[type="button"]::placeholder {
  color: #6e9192;
}

input:hover, input:focus, textarea:hover, textarea:focus, select:hover, select:focus,
button:not(.manu-toggler):hover,
button:not(.manu-toggler):focus, input[type="submit"]:hover, input[type="submit"]:focus, input[type="button"]:hover, input[type="button"]:focus {
  box-shadow: 0 0 10px rgba(161, 183, 183, 0.5);
}

input, textarea, select {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  border: 1px solid #a1b7b7;
  box-sizing: border-box;
  background: transparent;
}

button:not(.manu-toggler), input[type="submit"], input[type="button"] {
  background: #6e9192;
  border: 1px solid #6e9192;
  color: #fff;
}

button:not(.manu-toggler):hover, button:not(.manu-toggler):focus, input[type="submit"]:hover, input[type="submit"]:focus, input[type="button"]:hover, input[type="button"]:focus {
  border: 1px solid #a1b7b7;
  background: #a1b7b7;
}

/* 装飾 */
b, em, strong {
  font-weight: bold;
}

em {
  font-style: normal;
  background: linear-gradient(transparent 50%, #ece6ec 50%);
}

strong {
  background: #ece6ec;
}

hr {
  height: 40px;
  margin: 80px 0;
  border: 0;
  background: url(../img/layout/hr.png) no-repeat center/contain;
  background-size: contain;
}

.text-left {
  text-align: left;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-bold {
  font-weight: bold;
}

.text-small {
  font-size: smaller;
}

/* スマホ設定 */
@media only screen and (max-width: 1200px) {
  div.column dl.inline {
    display: block;
  }
  div.column dl.inline dt, div.column dl.inline dd {
    width: auto;
  }
  div.column dl.inline dd {
    padding-left: 30px;
  }
}

@media only screen and (max-width: 900px) {
  body, button, input, textarea {
    font-size: 1.6rem;
    line-height: calc(1.6rem + 1.05rem);
  }
  header {
    padding-left: 30px;
    z-index: 1;
  }
  header::before {
    width: 30px;
  }
  main, footer {
    margin: 0 15px 0 64px;
  }
  main.no_header {
    margin: 0 15px;
  }
  main.no_header + footer {
    margin: 0 15px;
  }
  div.column {
    display: block;
  }
  div.column > * {
    width: auto;
    margin-right: 0;
  }
  article {
    padding: 0 0 0 15px;
  }
  /* 見出し */
  h1 {
    font-size: 34px;
  }
  h2 {
    position: relative;
    writing-mode: revert;
    margin-bottom: 20px;
  }
  h2::before {
    content: "";
    display: block;
    position: absolute;
    top: 9px;
    left: -13px;
    border-style: solid;
    border-width: 5px 0 5px 7px;
    border-color: transparent transparent transparent #bfc8cd;
  }
  /* リスト */
  ul .description, ol .description {
    display: block;
    margin-left: 10px;
  }
  ul .description::before, ol .description::before {
    content: "└";
    margin-right: 10px;
  }
  dl.border dt, dl.border dd, dl.inline dt, dl.inline dd {
    display: block;
  }
  dl.border dt, dl.inline dt {
    width: 100%;
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
  }
  dl.border dd, dl.inline dd {
    width: calc(100% - 20px);
    padding-left: 20px;
  }
  /* フォーム */
  .form-inline input {
    width: 45%;
  }
  .form-block dl.inline dt {
    width: 100%;
  }
  .form-block dl.inline dd {
    width: calc(100% - 40px);
    padding-left: 40px;
  }
  .form-block > *, .form-block dl dd > * {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 5px;
  }
}
/* ----- ▲ レイアウト　ここまで ▲ ----- */