/*!
 * Bootstrap Reboot v4.3.1 (https://getbootstrap.com/)
 * Copyright 2011-2019 The Bootstrap Authors
 * Copyright 2011-2019 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
 */
*,
*::before,
*::after {
  box-sizing: border-box; }

html {
  font-family: sans-serif;
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0); }

article, aside, figcaption, figure, footer, header, hgroup, main, nav, section {
  display: block; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  text-align: left;
  background-color: #fff; }

[tabindex="-1"]:focus {
  outline: 0 !important; }

hr {
  box-sizing: content-box;
  height: 0;
  overflow: visible; }

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5rem; }

p {
  margin-top: 0;
  margin-bottom: 1rem; }

abbr[title],
abbr[data-original-title] {
  text-decoration: underline;
  -webkit-text-decoration: underline dotted;
  text-decoration: underline dotted;
  cursor: help;
  border-bottom: 0;
  -webkit-text-decoration-skip-ink: none;
  text-decoration-skip-ink: none; }

address {
  margin-bottom: 1rem;
  font-style: normal;
  line-height: inherit; }

ol,
ul,
dl {
  margin-top: 0;
  margin-bottom: 1rem; }

ol ol,
ul ul,
ol ul,
ul ol {
  margin-bottom: 0; }

dt {
  font-weight: 700; }

dd {
  margin-bottom: .5rem;
  margin-left: 0; }

blockquote {
  margin: 0 0 1rem; }

b,
strong {
  font-weight: bolder; }

small {
  font-size: 80%; }

sub,
sup {
  position: relative;
  font-size: 75%;
  line-height: 0;
  vertical-align: baseline; }

sub {
  bottom: -.25em; }

sup {
  top: -.5em; }

a {
  color: #007bff;
  text-decoration: none;
  background-color: transparent; }

a:hover {
  color: #0056b3;
  text-decoration: underline; }

a:not([href]):not([tabindex]) {
  color: inherit;
  text-decoration: none; }

a:not([href]):not([tabindex]):hover, a:not([href]):not([tabindex]):focus {
  color: inherit;
  text-decoration: none; }

a:not([href]):not([tabindex]):focus {
  outline: 0; }

pre,
code,
kbd,
samp {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 1em; }

pre {
  margin-top: 0;
  margin-bottom: 1rem;
  overflow: auto; }

figure {
  margin: 0 0 1rem; }

img {
  vertical-align: middle;
  border-style: none; }

svg {
  overflow: hidden;
  vertical-align: middle; }

table {
  border-collapse: collapse; }

caption {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  color: #6c757d;
  text-align: left;
  caption-side: bottom; }

th {
  text-align: inherit; }

label {
  display: inline-block;
  margin-bottom: 0.5rem; }

button {
  border-radius: 0; }

button:focus {
  outline: 1px dotted;
  outline: 5px auto -webkit-focus-ring-color; }

input,
button,
select,
optgroup,
textarea {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit; }

button,
input {
  overflow: visible; }

button,
select {
  text-transform: none; }

select {
  word-wrap: normal; }

button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button; }

button:not(:disabled),
[type="button"]:not(:disabled),
[type="reset"]:not(:disabled),
[type="submit"]:not(:disabled) {
  cursor: pointer; }

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  padding: 0;
  border-style: none; }

input[type="radio"],
input[type="checkbox"] {
  box-sizing: border-box;
  padding: 0; }

input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="month"] {
  -webkit-appearance: listbox; }

textarea {
  overflow: auto;
  resize: vertical; }

fieldset {
  min-width: 0;
  padding: 0;
  margin: 0;
  border: 0; }

legend {
  display: block;
  width: 100%;
  max-width: 100%;
  padding: 0;
  margin-bottom: .5rem;
  font-size: 1.5rem;
  line-height: inherit;
  color: inherit;
  white-space: normal; }

progress {
  vertical-align: baseline; }

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto; }

[type="search"] {
  outline-offset: -2px;
  -webkit-appearance: none; }

[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none; }

::-webkit-file-upload-button {
  font: inherit;
  -webkit-appearance: button; }

output {
  display: inline-block; }

summary {
  display: list-item;
  cursor: pointer; }

template {
  display: none; }

[hidden] {
  display: none !important; }
blockquote {
  margin: 20px;
  padding-left: 10px;
  border-left: 3px solid #888;
  color: #888; }
  blockquote cite {
    display: block;
    text-align: right; }

#scroll-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 10px;
  border-radius: 10px;
  background-color: rgba(192, 192, 255, 0.7);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s; }
  #scroll-top.shown {
    visibility: visible;
    opacity: 1; }

.top-cover {
  width: 100%;
  min-height: 100vh;
  position: relative;
  display: grid;
  align-items: center;
  text-align: center;
  grid-template-columns: -webkit-max-content 1fr;
  grid-template-columns: max-content 1fr; }
  @media screen and (max-width: 600px) {
    .top-cover {
      grid-template-rows: -webkit-max-content -webkit-max-content;
      grid-template-rows: max-content max-content; } }
  .top-cover:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("images/natsuki-doya.jpg");
    background-size: cover;
    -webkit-filter: blur(20px);
            filter: blur(20px);
    opacity: 0.5;
    z-index: -1; }
  .top-cover .title {
    grid-column: 2; }
    @media screen and (max-width: 600px) {
      .top-cover .title {
        grid-row: 2; } }
    .top-cover .title h1 {
      font-size: 64pt; }
      @media screen and (max-width: 600px) {
        .top-cover .title h1 {
          font-size: 32pt; } }
    .top-cover .title .menu {
      display: flex;
      flex-wrap: wrap;
      justify-content: center; }
      .top-cover .title .menu a {
        display: block;
        padding: 10px;
        border-bottom: 2px solid rgba(0, 0, 0, 0);
        text-decoration: none;
        letter-spacing: 0.2em;
        transition: all 0.3s;
        color: #333; }
        @media screen and (max-width: 600px) {
          .top-cover .title .menu a {
            font-size: 18pt;
            flex: 1; } }
        .top-cover .title .menu a:hover {
          color: #44e;
          border-bottom: 2px solid #447;
          background-color: rgba(0, 0, 0, 0.1); }
  .top-cover img.full-body {
    height: 100vh;
    grid-column: 1; }
    @media screen and (max-width: 600px) {
      .top-cover img.full-body {
        grid-row: 1;
        width: 100%;
        -o-object-fit: contain;
           object-fit: contain;
        height: 100%; } }

.container {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
  display: grid;
  -webkit-column-gap: 40px;
     -moz-column-gap: 40px;
          column-gap: 40px;
  grid-template-rows: -webkit-max-content -webkit-max-content;
  grid-template-rows: max-content max-content; }
  .container.left {
    grid-template-columns: 3fr 1fr; }
  .container.right {
    grid-template-columns: 1fr 3fr; }
  .container .left {
    grid-row: 2;
    grid-column: 1; }
  .container .right {
    grid-row: 2;
    grid-column: 2; }
  @media screen and (max-width: 600px) {
    .container {
      grid-template-rows: -webkit-max-content -webkit-max-content -webkit-max-content;
      grid-template-rows: max-content max-content max-content;
      grid-template-columns: 1fr; }
      .container.left {
        grid-template-columns: 1fr; }
        .container.left .left {
          grid-row: 2;
          grid-column: 1; }
        .container.left .right {
          grid-row: 3;
          grid-column: 1; }
      .container.right {
        grid-template-columns: 1fr; }
        .container.right .left {
          grid-row: 3;
          grid-column: 1; }
        .container.right .right {
          grid-row: 2;
          grid-column: 1; } }
  .container h2 {
    grid-row: 1;
    grid-column: 1 / 3;
    text-align: center;
    line-height: 1.6em;
    letter-spacing: 0.1em;
    font-size: 24pt; }
    @media screen and (max-width: 600px) {
      .container h2 {
        grid-column: 1; } }
    .container h2:after {
      content: '';
      display: block;
      height: 1px;
      background: linear-gradient(0.25turn, #fff, #aaf, #fff);
      margin: 10px 0; }
  .container h3 {
    font-size: 20pt; }
  .container img {
    width: 100%;
    -o-object-fit: contain;
       object-fit: contain; }
    @media screen and (max-width: 600px) {
      .container img {
        max-height: 70vh; } }