@charset "UTF-8";
/* disign by tsugumi https://miroirs.stars.ne.jp/ */
/* resetcss */
/*
Copyright (c) 2021 tsugumi - https://miroirs.stars.ne.jp/
Released under the MIT license
https://licenses.opensource.jp/MIT/MIT.html

Copyright (c) 2010 Richard Clark - http://richclarkdesign.com
Released under the MIT license
https://licenses.opensource.jp/MIT/MIT.html
*/
*,
*::before,
*::after {
  vertical-align: baseline;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  box-sizing: border-box;
  background: transparent;
  font-size: 100%;
  outline: 0;
}

*::before,
*::after {
  content: none;
}

body {
  line-height: 1.5;
}

main {
  display: block;
}

[type="checkbox"],[type="radio"],[type="submit"],
button,select,option,label,summary {
  cursor: pointer;
}

input,button,textarea,select {
  font-family: inherit;
  font-size: 100%;
  letter-spacing: inherit;
  -webkit-appearance: none;
  appearance: none;
}

textarea {
  overflow-x: hidden;
  resize: vertical;
}

::placeholder {
  opacity: 1;
}

ul,ol {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote::before,blockquote::after,
q::before,q::after {
  content:'';
  content: none;
}

mark {
  color: #000;
  background-color: #ff9;
  font-weight: bold;
}

del {
  text-decoration: line-through;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

hr {
  display: block;
  height: 1px;
  border-top: 1px solid #000;
}
/* resetcss END */
/* firefox only */
@-moz-document url-prefix() {
  body {
    overflow-wrap: break-word;
  }
}
/* firefox only END */
/* root */
:root {
  --base-color: #f7fbfc;
  --shadow-color: #d6e6f2;
  --link-color: #769fcd;
  --strong-color: #fc326f;
  --text-color: #4b4c4d;
  --subtext-color: #c6c9cc;
  --white-color: #fff;
  --body-font: 'Raleway', 'Yu Gothic Medium', '游ゴシック Medium', YuGothic, '游ゴシック体', 'ヒラギノ角ゴ Pro W3', 'メイリオ', sans-serif;
  --site-title-font: 'Nothing You Could Do', cursive;
}
/* root END */
/* scrollbar */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--text-color);
}

html {
  scrollbar-color: var(--text-color) transparent;
  scrollbar-width: thin;
}
/* scrollbar END */
/* selection */
::selection {
  background: var(--shadow-color);
}
/* selection END */
/* body */
body {
  line-height: 1.8;
  color: var(--text-color);
  background: var(--base-color);
  font-family: var(--body-font);
  font-size: 14px;
  text-align: left;
  letter-spacing: .2em;
  word-break: break-all;
}
/* body END */
/* headline */
h1 {
  line-height: 1;
  font-family: var(--site-title-font);
  font-weight: normal;
  font-size: 50px;
  letter-spacing: 0;
}

h2,
h3,
h4,
h5,
h6 {
  margin: 16px auto;
  font-weight: normal;
}

.h2-wrapper {
  position: relative;
  margin: 16px 0;
}

.h2-wrapper::before {
  position: absolute;
  top: 30px;
  left: 0;
  z-index: -1;
  width: 100%;
  height: 1px;
  background: var(--shadow-color);
  content: '';
}

h2 {
  width: 60px;
  height: 60px;
  margin: auto;
  border: 1px solid var(--shadow-color);
  color: var(--subtext-color);
  background: var(--base-color);
  text-align: center;
}

.h2-icon {
  display: block;
  line-height: 36px;
  font-size: 18px;
}

.h2-text {
  display: block;
  line-height: 24px;
  font-size: 10px;
  font-weight: normal;
}

h3 {
  position: relative;
  padding: 0 4px;
  border-top: 1px solid var(--shadow-color);
  border-bottom: 1px solid var(--shadow-color);
  font-size: 16px;
  text-align: center;
}

.h3-num {
  position: absolute;
  left: 4px;
}

h4 {
  font-size: 16px;
  text-transform: capitalize;
}

.h4-first {
  margin-right: 4px;
  padding: 4px;
  border: 1px solid var(--shadow-color);
  font-size: 18px;
  text-align: center;
}

h5 {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
}

h5::before,
h5::after {
  display: block;
  position: absolute;
  border: 1px solid var(--shadow-color);
  content: '';
}

h5::before {
  top: 4px;
  left: 0;
  width: 12px;
  height: 12px;
}

h5::after {
  top: 10px;
  left: 6px;
  width: 10px;
  height: 10px;
}

h6 {
  position: relative;
  padding-left: 16px;
}

h6::before {
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 12px;
  height: 12px;
  margin: auto;
  border: 1px solid var(--shadow-color);
  content: '';
}
/* headline END */
/* text decoration */
a {
  color: var(--link-color);
}

strong {
  color: var(--strong-color);
}

em {
  border-bottom: 3px dotted var(--shadow-color);
}

mark {
  display: inline-block;
  padding: 0 6px;
  background: var(--shadow-color);
}

[data-ruby] {
  position: relative;
}

[data-ruby]::before {
  position: absolute;
  top: -1.25em;
  right: 0;
  left: 0;
  margin: auto;
  font-size: .5em;
  text-align: center;
  content: attr(data-ruby);
}

ruby rt {
  display: none;
}

.border-l {
  padding-left: 8px;
  margin-right: 8px;
  border-left: var(--shadow-color) 4px solid;
}

.border-r {
  padding-right: 8px;
  margin-right: 8px;
  border-right: var(--shadow-color) 4px solid;
}

.border-a{
  position: relative;
  padding-right: 46px;
}

.border-a::after {
  display: inline-block;
  position: absolute;
  top: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  margin: auto auto auto 4px;
  background: var(--shadow-color);
  content: '';
}

.marker {
  background: linear-gradient(transparent 60%, var(--shadow-color) 60%);
}

.btn {
  display: inline-block;
  line-height: 2;
  padding: 0 8px;
  border: 2px solid var(--shadow-color);
}
/* text decoration END */
/* align */
.justify {
  text-align: justify;
}

.center {
  text-align: center;
}

.right {
  text-align: right;
}
/* align END */
/* separator */
hr {
  margin: 16px auto;
  border-top: 1px solid var(--shadow-color);
}
/* line END */
/* box */
.box,
.scroll-box {
  margin: 16px auto;
  padding: 16px;
  border: 1px solid var(--shadow-color);
}

.scroll-box {
  height: 160px;
  overflow-y: scroll;
  scrollbar-color: var(--text-color) transparent;
  scrollbar-width: thin;
}

.scroll-box::-webkit-scrollbar {
  width: 2px;
  height: 100%;
}

.scroll-box::-webkit-scrollbar-track {
  background: transparent;
}

.copy-box {
  display: block;
  width: 100%;
  max-width: 400px;
  margin: 16px 0;
}
/* box END */
/* quote */
q,
blockquote,
cite {
  font-style: italic;
}

q::before,
q::after {
  display: inline;
  content: '"';
}

blockquote {
  position: relative;
  padding: 40px 16px 16px;
  border: 1px solid var(--shadow-color);
}

blockquote::before {
  display: block;
  position: absolute;
  top: 4px;
  left: 8px;
  color: var(--shadow-color);
  font-family: 'Font Awesome 5 Free';
  font-weight: bold;
  font-size: 20px;
  content: '\f10e';
}

cite {
  display: block;
  text-align: right;
  font-size: 10px;
}
/* quote END */
/* details */
details summary {
  display: inline-block;
}

details summary::marker,
details summary::-webkit-details-marker {
  display: none;
}

details summary::before {
  display: inline-block;
  margin-right: 4px;
  color: var(--text-color);
  font-family: 'Font Awesome 5 Free';
  font-weight: bold;
  content: '\f0da';
  transition: .3s;
}

details[open] summary::before {
  transform: rotate(90deg);
}
/* details END */
/* list */
.ol-column,
.ul-row,
.ul-column,
.dl-column {
  padding: 16px auto;
}

.ol-column li {
  margin-left: 24px;
  list-style-type: decimal;
}

.ul-row li {
  display: inline;
}

.ul-column li {
  margin-left: 24px;
  list-style-type: square;
}

.dl-column dd {
  margin-left: 18px;
}
/* list END */
/* table */
.table-wrapper {
  width: 100%;
  overflow-x: scroll;
  margin: 16px auto;
  padding-bottom: 2px;
  scrollbar-color: var(--text-color) transparent;
  scrollbar-width: thin;
}

.table-wrapper::-webkit-scrollbar {
  width: 100%;
  height: 2px;
}

.table-wrapper::-webkit-scrollbar-track {
  background: transparent;
}

.table-wrapper::-webkit-scrollbar-thumb {
  border-radius: 2px;
  background: var(--text-color);
}

table {
  min-width: calc(100% - 1px);
  text-align: center;
  white-space: nowrap;
  border-collapse: collapse;
}

table th,
table td {
  line-height: 2;
  padding: 4px 16px;
}

table th {
  border-left: 1px solid var(--white-color);
  color: var(--white-color);
  background: var(--shadow-color);
}

table tr {
  border-bottom: 1px solid var(--shadow-color);
}
/* table END */
/* form */
form {
  padding: 16px 0;
}

input,
textarea,
select {
  line-height: inherit;
  padding: 8px;
  border: 2px solid var(--shadow-color);
  color: var(--text-color);
  background: transparent;
  font-family: var(--body-font);
  font-size: 100%;
  text-align: justify;
  letter-spacing: .2em;
}

[type="checkbox"],
[type="radio"] {
  display: none;
}

[type="submit"] {
  color: var(--white-color);
  background: var(--shadow-color);
}

label {
  display: block;
  position: relative;
}

label::before {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 8px;
  border: 1px solid var(--shadow-color);
  content: '';
}

[type="checkbox"]:checked + label::after {
  display: block;
  position: absolute;
  top: 4px;
  left: 2px;
  width: 12px;
  height: 4px;
  border-bottom: 1px solid var(--link-color);
  border-left: 1px solid var(--link-color);
  content: '';
  transform: rotate(315deg);
}

[type="radio"]:checked + label::after {
  display: block;
  position: absolute;
  top: 6px;
  left: 3px;
  width: 8px;
  height: 8px;
  background: var(--link-color);
  content: '';
}

::placeholder {
  color: var(--subtext-color);
}

.form-contact input,
.form-contact textarea,
.form-contact select {
  width: 100%;
  max-width: 400px;
  margin: 7.5px auto;
}

.form-contact input[type="submit"] {
  text-align: center;
  letter-spacing: 4px;
}

.form-oneline {
  max-width: 400px;
}

.form-oneline input,
.form-oneline select,
.form-oneline textarea {
  display: inline-block;
  vertical-align: top;
  overflow-x: hidden;
}

.input-single,
.form-oneline select,
.form-oneline textarea {
  width: calc(100% - 52px);
}

.input-multi {
  width: calc((100% - 58px) / 2);
}
/* form END */
/* semantic elements */
header {
  display: none;
  position: fixed;
  z-index: 100;
  width: 100%;
  min-height: 100vh;
  padding-top: 50px;
  background: var(--base-color);
  text-align: center;
}

nav {
  max-width: 720px;
  margin: 32px auto;
}

nav a {
  text-decoration: none;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding-top: 50px;
}

section {
  margin: 48px 16px;
  text-align: justify;
}

footer {
  line-height: 2;
  text-align: center;
}
/* semantic elements END */
/* hamburger menu */
.menu-btn {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1000;
  width: 50px;
  height: 50px;
}

.menu-btn::after {
  display: block;
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  margin: auto;
  font-size: 10px;
  content: 'menu';
}

.menu-btn span {
  display: block;
  position: absolute;
  right: 0;
  left: 0;
  width: 25px;
  height: 1px;
  margin: auto;
  background: var(--text-color);
  transition: all .5s;
}

.menu-btn span:nth-child(1) {
  top: 12px;
}

.menu-btn span:nth-child(2) {
  top: 20px;
}

.menu-btn span:nth-child(3) {
  top: 28px;
}

.menu-open span:nth-of-type(1) {
  top: 18px;
  transform: rotate(-135deg);
}

.menu-open span:nth-of-type(2) {
  opacity: 0;
}

.menu-open span:nth-of-type(3) {
  top: 18px;
  transform: rotate(135deg);
}

.menu-open.menu-btn::after {
  content: 'close';
}

.top-img {
  width: 160px;
  height: 160px;
  transform: scale(-1, 1) rotate(270deg);
}

.ul-menu {
  display: flex;
  flex-wrap: wrap;
  margin: 16px auto;
}

.ul-menu li {
  width: 50%;
}

.ul-menu li a {
  display: inline-block;
  margin: 8px 0;
  padding: 4px 16px;
  border: 1px solid var(--link-color);
}
/* hamburger menu END */
/* freepage parts */
.icon {
  display: block;
  width: 160px;
  height: 160px;
  object-fit: cover;
  margin: 16px auto;
  padding: 16px;
  border: 1px solid var(--shadow-color);
}
/* freepage parts */
/* tablet & pc */
@media screen and (min-width: 480px) {
  .ul-menu li {
    width: 25%;
  }
}
/* tablet & pc END */