:root {
  /* Margin */
  --partsMarginXSmall: 8px;
  --partsMarginSmall: 12px;
  --partsMargin: 16px;
  --flexButtonMargin: 20px;
  /* Font */
  --fontSizeXSmall: 12px;
  --fontSizeSmall: 14px;
  --fontSizeNormal: 16px;
  --fontSizeLarge: 18px;
  --fontSizeXLarge: 20px;
  --fontSize2XLarge: 28px;
  /* Color */
  --colorWhite: #FEFEFE;
  --colorWhiteGray: #F6F6FD;
  --colorLightGray: #EAEAF1;
  --colorGray: #B0B0C0;
  --colorDarkGray: #777991;
  --colorBlack: #50525E;
  --colorDeepBlack: #33333A;
  --colorVanta: #1A1A1A;
  --colorEmphasized: #6DA38D;
  --colorLightAlert: #FFDDE0;
  --colorAlert: #CC6C76;
  --colorIn: #688CD4;
  --colorOut: var(--colorAlert);
  --colorTransparentBlack: rgba(0, 0, 0, 0.5);
  /* Header */
  --headerHeightResponsive: 50px;
  --headerHeightAbsolute: 50px;
  --contentMargin: 15px;
  /* Footer */
  --footerHeight: 60px;
  /* Anchor */
  --anchorMargin: 60px;
  --anchorMarginNegative: -60px;
  /* Button */
  --buttonHeight: 35px;
  --buttonWidth: 150px;
  /* Icon Button */
  --iconButtonHeight: 35px;
  --iconButtonWidth: 35px;
  /* Flex Button */
  --flexButtonHeight: 60px;
  --flexButtonWidth: 60px;
  /* Color Tag */
  --h1ColorTagWidth: 12px;
  /* IO */
  --ioTagHeight: 20px;
  --ioPercentageBarHeight: 2px;
  /* Form */
  --formLineHeight: 30px;
  /* Animation */
  --transitionDuration: 0.3s;
}

* {
  box-sizing: border-box;
  margin: 0;
  color: var(--colorBlack);
  font-family: "M PLUS Rounded 1c", monospace;
  font-weight: normal;
  text-decoration: none;
}

/* Hide Scroll Bar */

* {
  scrollbar-width: none;
  user-select: none;
}

*::-webkit-scrollbar {
  display: none;
}

/* Text */

p, a, th, td, input, textarea, select, div {
  font-size: var(--fontSizeNormal);
}

p[type="number"] {
  text-align: right;
}

p[color="gray"] {
  color: var(--colorDarkGray);
}

*[color="alert"] {
  color: var(--colorAlert);
}

*[color="in"] {
  color: var(--colorIn);
}

*[color="out"] {
  color: var(--colorOut);
}

*[color="pale"] {
  color: var(--colorDarkGray);
}

.with-action {
  cursor: pointer;
}

ul {
  padding: 0;
}

input:focus,
textarea:focus,
select {
  outline: none;
}

/* BR */

br {
  display: block;
  content: "";
  height: var(--partsMargin);
}

.anchor {
  padding-top: var(--anchorMargin);
  margin-top: var(--anchorMarginNegative);
}

/* Table */

table {
  border-collapse: collapse;
}

table th,
table td {
  vertical-align: top;
  text-align: left;
}

table tr[following="true"] th,
table tr[following="true"] td {
  padding-top: var(--partsMargin);
}

table th[following="true"],
table td[following="true"] {
  padding-left: var(--partsMargin);
}

table tr[item="label"] p {
  text-align: center;
}

/* Layout */

body {
  display: grid;
  grid-template-rows: var(--headerHeightResponsive) var(--contentMargin) 1fr 30px var(--footerHeight) auto;
  grid-template-columns: var(--contentMargin) calc(100vw - 2 * var(--contentMargin)) var(--contentMargin);
  background-color: var(--colorWhiteGray);
}

body > div.content {
  grid-row: 3;
  grid-column: 2;
}

/* Header */

.header {
  position: fixed;
  grid-row: head;
  grid-column: 1 / -1;
  z-index: 10;
  width: 100%;
  height: var(--headerHeightAbsolute);
  display: grid;
  grid-template-columns: 0.03fr 0.55fr 0.45fr 0.03fr;
  grid-template-rows: 1fr;
  background-color: var(--colorVanta);
  box-shadow: 0 0 5px -1px var(--colorDarkGray);
}

.header[hide-header="true"] {
  display: none;
}

.header .title {
  grid-column: 1 / 3;
  display: inline;
  align-self: center;
  margin-left: var(--partsMargin);
}

.header .title {
  color: var(--colorWhite);
  font-size: var(--fontSizeXLarge);
  transition: color 1.5s ease;
}

.header .button {
  margin: 13px 0;
  width: 100px;
  font-size: 14px;
}

.header .buttons {
  grid-column: 3;
  margin: 0 0 0 auto;
}

.header .buttons form {
  margin: 0;
}

/* Footer */

.footer {
  display: none;
  grid-row: foot;
  grid-column: 1 / -1;
  z-index: 5;
  background-color: var(--colorDarkGray);
  box-shadow: 0 0 5px -1px var(--colorDarkGray);
}

.footer p {
  text-align: center;
  line-height: var(--footerHeight);
  color: var(--colorWhite);
}

/* Background Image */

body > img.background {
  position: fixed;
  z-index: -10;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}

/* Side Menu */

.side-menu-button {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 92;
  height: var(--headerHeightAbsolute);
  width: var(--headerHeightAbsolute);
}

.side-menu-button > div {
  position: relative;
  height: 100%;
  width: 100%;
}

.side-menu-button > div > div {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.side-menu-button i {
  padding: 10px;
  border-radius: 2px;
  color: var(--colorWhite);
  font-size: 24px;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transitionDuration) ease;
}

.side-menu-button[action="openSideMenu"] i[action="openSideMenu"],
.side-menu-button[action="closeSideMenu"] i[action="closeSideMenu"] {
  opacity: 1;
}

.side-menu-back {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 90;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--colorTransparentBlack);
  transition: visibility var(--transitionDuration) ease, opacity var(--transitionDuration) ease;
}

.side-menu-back[status="closed"] {
  visibility: hidden;
  opacity: 0;
}

.side-menu-back[status="opened"] {
  visibility: visible;
  opacity: 1;
}

.side-menu {
  width: 90%;
  height: auto;
  max-height: 90%;
  z-index: 91;
}

/* Panel */

.panel {
  display: block;
  background-color: var(--colorWhite);
  box-shadow: 0 0 5px -1px var(--colorDarkGray);
  border-radius: 10px;
  padding: var(--partsMarginSmall) 0;
  transition: border var(--transitionDuration) ease, box-shadow var(--transitionDuration) ease;
}

.panel + .panel {
  margin-top: var(--partsMarginSmall);
}

.panel,
.panel-content,
.panel-content > div {
  overflow: hidden;
}

.panel h2,
.panel .inner-h2 {
  margin-bottom: var(--partsMargin);
  font-size: var(--fontSizeLarge);
}

.panel .inner-h2 {
  margin-left: var(--partsMargin);
  margin-right: var(--partsMargin);
  border-bottom: solid 1px var(--colorGray);
}

.panel h3 {
  font-size: var(--fontSizeLarge);
}

.panel .panel-content {
  margin: 0 var(--partsMargin);
}

.panel .h1 + .panel-content,
.panel .h2 + .panel-content {
  margin-top: var(--partsMarginSmall);
}

/* Snackbar */

.snackbar {
  position: fixed;
  bottom: var(--flexButtonMargin);
  left: var(--flexButtonMargin);
  z-index: 5;
  height: var(--flexButtonHeight);
  width: calc(100vw - (var(--flexButtonMargin) * 3 + var(--flexButtonWidth)));
  background-color: var(--colorDeepBlack);
  box-shadow: 0 0 5px -1px var(--colorDarkGray);
  padding: var(--partsMarginSmall) var(--partsMargin);
  display: grid;
  grid-template-columns:
    [left] auto
    [margin] var(--partsMarginSmall)
    [right] auto;
}

.snackbar[status="closed"] {
  display: none;
}

.snackbar * {
  color: var(--colorWhite);
}

.snackbar-title {
  grid-column: 1;
  display: flex;
  align-items: center;
}

.snackbar-button {
  grid-column: -1;
  background-color: var(--colorEmphasized);
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* H1 */

.h1 {
  display: grid;
  grid-template-rows: auto;
  grid-template-columns: var(--partsMarginXSmall) var(--h1ColorTagWidth) 1fr;
  background-color: var(--colorDeepBlack);
}

.h1 .color-tag {
  grid-row: 1;
  grid-column: 2;
}

.h1 .title-text {
  grid-row: 1;
  grid-column: 3;
  margin-bottom: 0;
  margin-left: var(--partsMarginXSmall);
  padding-top: 3px;
  padding-bottom: 3px;
  border: none;
  color: var(--colorWhite);
  font-size: var(--fontSizeXLarge);
}

/* H2 with Color Tag */

.h2.with-color-tag {
  display: grid;
  grid-template-rows: auto;
  grid-template-columns: var(--partsMarginXSmall) var(--h1ColorTagWidth) 1fr;
}

.h2.with-color-tag > .color-tag-left-margin {
  grid-row: 1;
  grid-column: 1;
  background-color: var(--colorDeepBlack);
}

.h2.with-color-tag > .color-tag {
  grid-row: 1;
  grid-column: 2;
}

.h2.with-color-tag > .title-text {
  grid-row: 1;
  grid-column: 3;
  margin-bottom: 0;
  margin-left: var(--partsMarginXSmall);
}

/* Panel with Color Tag */

.panel.with-color-tag {
  display: grid;
  grid-template-rows: 2px auto 2px;
  grid-template-columns: var(--partsMarginXSmall) var(--h1ColorTagWidth)  1fr;
  padding: var(--partsMarginXSmall) 0;
}

.panel.with-color-tag .color-tag {
  grid-row: 2 / -2;
  grid-column: 2;
  border-radius: 2px;
}

.panel.with-color-tag > .panel-content {
  grid-row: 1 / -1;
  grid-column: 3;
  margin-left: var(--partsMarginSmall);
}

/* Panel with Icon */

.panel.with-icon {
  display: grid;
  grid-template-rows: auto;
  grid-template-columns: var(--partsMarginSmall) var(--fontSizeXLarge)  1fr;
  padding: var(--partsMarginXSmall) 0;
}

.panel.with-icon .icon-outer {
  grid-row: 1;
  grid-column: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  border-radius: 5px;
}

.panel.with-icon .icon-outer .icon {
  color: var(--colorGray);
  font-size: var(--fontSizeXLarge);
}

.panel.with-icon > .panel-content {
  grid-row: 1;
  grid-column: 3;
  margin-left: var(--partsMarginSmall);
}

/* Panel Link */

.panel-link {
  cursor: pointer;
}

.panel-link:hover,
.panel-link[status="enable"] {
  box-shadow: none;
}

.panel.buttons-only {
  border-radius: 100px;
  padding: var(--partsMarginXSmall);
}

/* Button */

.button-outer {
  margin: 0 auto;
  height: var(--buttonHeight);
  width: var(--buttonWidth);
  position: relative;
  cursor: pointer;
  text-decoration: none;
  background-color: var(--colorDarkGray);
  border: solid 1px var(--colorDarkGray);
  border-radius: 10px;
  transition: background-color var(--transitionDuration) ease;
}

.button-outer[color="emphasized"] {
  background-color: var(--colorEmphasized);
  border-color: var(--colorEmphasized);
}

.button-outer[color="alert"] {
  background-color: var(--colorAlert);
  border-color: var(--colorAlert);
}

.button-outer[color="gray"] {
  background-color: var(--colorGray);
  border-color: var(--colorGray);
}

.button-outer[color="in"] {
  background-color: var(--colorIn);
  border-color: var(--colorIn);
}

.button-outer[color="out"] {
  background-color: var(--colorOut);
  border-color: var(--colorOut);
}

.button-back,
.button-inner {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
}

.button-inner > *,
.button-inner > * span {
  height: 100%;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--colorWhite);
}

.button-inner * {
  background: none;
  border: none;
  transition: color var(--transitionDuration) ease;
}

.button-body {
  cursor: pointer;
}

/* Hover */

.button-outer:hover {
  background-color: var(--colorWhite);
}

.button-outer:hover .button-inner * {
  color: var(--colorDarkGray);
}

.button-outer[color="emphasized"]:hover .button-inner * {
  color: var(--colorEmphasized);
}

.button-outer[color="alert"]:hover .button-inner * {
  color: var(--colorAlert);
}

.button-outer[color="gray"]:hover .button-inner * {
  color: var(--colorGray);
}

.button-outer[color="in"]:hover .button-inner * {
  color: var(--colorIn);
}

.button-outer[color="out"]:hover .button-inner * {
  color: var(--colorOut);
}

/* Buttons */

.buttons {
  margin: 0 auto;
  padding: 0;
  list-style-type: none;
}

.buttons[following="true"] {
  margin-top: 0;
}

.buttons[followed="true"] {
  margin-top: 0;
}

.buttons > li > .button-outer {
  margin-top: 0;
  margin-bottom: 0;
}

.buttons > li + li {
  margin-top: var(--partsMargin);
}

.buttons-horizontal {
  display: flex;
  align-items: center;
  justify-content: center;
}

.buttons-horizontal > li {
  display: inline-block;
}

.buttons-horizontal > li + li {
  margin-top: 0;
  margin-left: var(--partsMarginSmall);
}

.buttons-narrow > li > .button-outer,
.buttons-narrow > li > form > .button-outer {
  width: 80px;
}

/* Icon Button */

.icon-button-outer {
  height: var(--iconButtonHeight);
  width: var(--iconButtonWidth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.icon-button {
  display: inline-flex;
  font-size: var(--fontSizeXLarge);
  cursor: pointer;
}

.icon-button-outer i,
.icon-button i {
  vertical-align: middle;
  transition: color var(--transitionDuration) ease,
  text-shadow var(--transitionDuration) ease;
}

.icon-button[color="in"] i {
  color: var(--colorIn);
}

.icon-button[color="out"] i {
  color: var(--colorOut);
}

.icon-button-outer:hover i,
.icon-button:hover i {
  color: var(--colorEmphasized);
  text-shadow: 0 0 8px var(--colorEmphasized);
}

/* Flex Button */

.flex-button {
  position: fixed;
  right: var(--flexButtonMargin);
  bottom: var(--flexButtonMargin);
  z-index: 5;
  height: var(--flexButtonHeight);
  width: var(--flexButtonWidth);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  box-shadow: 0 0 5px -1px var(--colorDarkGray);
  transition: background-color var(--transitionDuration) ease;
}

.flex-button * {
  transition: color var(--transitionDuration) ease;
}

.flex-button * {
  color: var(--colorWhite);
  font-size: var(--fontSize2XLarge);
}

.flex-button[color="out"] {
  background-color: var(--colorOut);
  border: solid 1px var(--colorOut);
}

.flex-button:hover {
  background-color: var(--colorWhite);
}

.flex-button[color="out"]:hover * {
  color: var(--colorOut);
}

/* Button link */

.button-link-outer {
  display: grid;
  place-items: center;
}

.button-link {
  display: inline-block;
  text-decoration: none;
  color: var(--colorBlack);
  border-bottom: 1px solid var(--colorBlack);
}

/* Modal */

*[action="openModal"] {
  cursor: pointer;
}

.modal-back {
  position: fixed;
  z-index: 90;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--colorTransparentBlack);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: visibility var(--transitionDuration) ease, opacity var(--transitionDuration) ease;
}

.modal-back[status="closed"] {
  visibility: hidden;
  opacity: 0;
}

.modal-back[status="closed"] * {
  pointer-events: none;
}

.modal-back[status="opened"] {
  visibility: visible;
  opacity: 1;
}

.modal {
  width: 90%;
  max-height: 90%;
  overflow: scroll;
  z-index: 91;
}

/* Color Tag */

.color-tag {
  background-color: var(--colorEmphasized);
}

.color-tag[color="in"] {
  background-color: var(--colorIn);
}

.color-tag[color="out"] {
  background-color: var(--colorOut);
}

/* Accordion */

.accordion-panel.accordion-initially-closed {
  display: none;
}

*[action="open-accordion"] {
  position: relative;
}

.accordion-panel + *[action="open-accordion"] {
  margin-top: var(--contentMargin);
}

*[action="open-accordion"] .accordion-arrow {
  position: absolute;
  top: 0;
  right: 0;
  padding: 0 var(--partsMargin);
  line-height: var(--fontSize2XLarge);
  transition: transform var(--transitionDuration) ease;
}

*[action="open-accordion"][status="opened"] .accordion-arrow {
  transform: rotate(-180deg);
}

.accordion-panel {
  margin-top: var(--partsMargin);
}

.external-service-icons {
  display: flex;
  justify-content: center;
}

.external-service-icons img {
  width: 40px;
  height: 40px;
}

/* Settings for PC */

@media (min-width: 1024px) {

  :root {
    /* Margin */
    --partsMarginXSmall: 12px;
    --partsMarginSmall: 16px;
    --partsMargin: 20px;
    /* Font */
    --fontSizeXSmall: 10px;
    --fontSizeSmall: 12px;
    --fontSizeNormal: 14px;
    --fontSizeLarge: 16px;
    --fontSizeXLarge: 20px;
    --fontSize2XLarge: 28px;
    /* Header */
    --headerHeightAbsolute: 50px;
    --contentMargin: 30px;
    /* Anchor */
    --anchorMargin: 60px;
    --anchorMarginNegative: -60px;
    /* Button */
    --buttonWidth: 160px;
    /* IO */
    --ioTagHeight: 22px;
    --ioPercentageBarHeight: 2px;
  }

  /* Modal */
  .modal {
    width: 50%;
  }

  /* Button */
  .buttons-narrow > li > .button-outer,
  .buttons-narrow > li > form > .button-outer {
    width: var(--buttonWidth);
  }

  .panel.with-color-tag {
    grid-template-columns: var(--partsMarginXSmall) var(--h1ColorTagWidth) 1fr;
  }
}