@charset "UTF-8";

@font-face {
  font-family: "Material Symbols Outlined";
  font-style: normal;
  src: url(../fonts/material-symbols-outlined.woff2) format("woff");
}
.material-symbols-outlined {
  font-family: "Material Symbols Outlined";
  font-weight: normal;
  font-style: normal;
  font-size: 24px; /* Preferred icon size */
  display: inline-block;
  line-height: 1;
  text-transform: none;
  letter-spacing: normal;
  word-wrap: normal;
  white-space: nowrap;
  direction: ltr;
}

/* noto-sans-jp-regular - latin */
@font-face {
    font-display: swap; /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
    font-family: "Noto Sans JP";
    font-style: normal;
    font-weight: 400;
    src: url("../fonts/noto-sans-jp-v53-latin-regular.woff2") format("woff2"); /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */
}
/* noto-sans-jp-700 - latin */
@font-face {
    font-display: swap; /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
    font-family: "Noto Sans JP";
    font-style: normal;
    font-weight: 700;
    src: url("../fonts/noto-sans-jp-v53-latin-700.woff2") format("woff2"); /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */
}
* {
  box-sizing: border-box;
}
*::before, *::after {
  box-sizing: border-box;
}

:root {
  --header: 130px;
  scroll-padding: var(--header);
  scroll-behavior: smooth;
}

body,
html {
  margin: 0;
  padding: 0;
  width: 100%;
}

.main-container {
  overflow-x: hidden;
}

html {
  font-size: 16px;
}

body {
  overflow-wrap: break-word;
  margin: 0;
  font-family: Noto Sans JP, Corbel, Arial, Oswald;
  font-weight: 400;
  padding-top:50px; 
}

a {
  color: #71171a;
  transition: all ease 0.3s;
}

img {
  max-width: 100%;
  height: auto;
}

em {
  font-style: normal;
  font-weight: 500;
  color: #a3007b;
}

p.large,
p .large {
  font-size: 1.25rem;
  font-weight: 500;
}
/* aside */
.backtotop {
  position: fixed;
  bottom: 70px;
  right: 50px;
  z-index: 10;
  opacity: 0;
  transition: 0.3s;
  visibility: hidden;
}
.backtotop.topfixed {
  opacity: 1;
  visibility: visible;
}
.backtotop a {
  text-align: center;
  text-decoration: none;
  display: inline-block;
  padding: 0.25rem 0.45rem;
  width: 3.75rem;
  height: 3.75rem;
  border-radius: 2rem;
  background-color: rgba(255, 255, 255, 0.7);
  color: #751300;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
}
.backtotop a:hover {
  background-color: rgb(255, 255, 255);
}
.backtotop a span {
  line-height: 3rem;
  font-size: 2.5rem;
}
.fixed {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background-color: rgba(255,255,255,1);border-bottom: 1px solid #ccc;
}
.header-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  background: #fff;
  border-bottom: 1px solid #eee;
}
.header-container .header_title p {
  line-height: 50px;
  padding-left: 1rem;
  font-size: .9rem;
}
.header-container .header_title p a {
  color: #1e1e1e;
  text-decoration: none;
}
.header-container .header_title p a:hover {
  color: #71171a;
  text-decoration: underline;
}
.hamburger-container {
  position: absolute;
  top: 0;
  right: 0;
  width: 70px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.7);
  padding: 15px;
}
.hamburger-container .navbar-toggler,
.hamburger-container .navbar-toggler span {
  display: inline-block;
  transition: all 0.5s;
  box-sizing: border-box;
}
.hamburger-container .navbar-toggler {
  position: relative;
  width: 40px;
  height: 25px;
  border: none;
  cursor: pointer;
}
.hamburger-container .navbar-toggler span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #71171a;
  border-radius: 4px;
}
.hamburger-container .navbar-toggler span:nth-of-type(1) {
  top: 1px;
}
.hamburger-container .navbar-toggler span:nth-of-type(2) {
  top: 11px;
}
.hamburger-container .navbar-toggler span:nth-of-type(3) {
  bottom: 1px;
}
.hamburger-container .navbar-toggler[aria-expanded="true"] span:nth-of-type(1) {
  transform: translateY(12px) rotate(45deg);
  width: 39px;
}
.hamburger-container .navbar-toggler[aria-expanded="true"] span:nth-of-type(2) {
  opacity: 0;
}
.hamburger-container .navbar-toggler[aria-expanded="true"] span:nth-of-type(3) {
  transform: translateY(-10px) rotate(-45deg);
  width: 39px;
}
.redbricktour-header-container .navbar-nav{
  font-weight: 500;
  font-style: normal;
  font-size: .9rem;
  background-color: #fff;
  margin: 0;
  padding: 0;
}
.redbricktour-header-container .navbar {
  background-color: #fff;
  padding-top: 0;
  padding-bottom: 0;
  width: 100%;
}
.redbricktour-header-container .navbar a:hover {
  color: #71171a;
  font-weight: 700;
}

.visual-container {
  background-image: url(../img/image1.jpg);
  background-position: top center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
  height: 600px;
  color: #fff;
}
.visual-container h1 {
  color: #fff;
  padding-top: 100px;
}
.visual-container h1 img {
  background: rgba(0,0,0,0.20);
  padding: 1rem;
}
.visual-container .infobox {
  padding: 1rem;
  margin: 1rem 0;
  background: rgba(35,24,21,0.50);
  display:inline-block;
}
.visual-container .infobox h6 {
  font-size: 1.7rem;
  font-weight: 700;
}
.visual-container .infobox dl,
.visual-container .infobox dd {
  margin-bottom: 0;
}
.visual-container .infobox ul {
  list-style: none;
  margin-bottom: 0;
  font-size: 1.2rem;
}
.main {
  min-height: 300px;
}
footer {
  background:#333333 ;
  color: #fff;
  margin-bottom: 0;
  padding: 30px 0;
  font-size: .9rem;
}
footer .footer_copy {
  font-size: .8rem;
  text-align: center;
}
footer a {
  color: #fff;
}
.course_box {
  margin: 50px auto 200px auto;
}
.course_box h2 {
  background: #71171a;
  color: #fff;
  font-weight: 700;
  padding: 5px 10px 10px 10px;
  margin-bottom: 2rem;
}
.course_box h3 {
  border-bottom: 5px solid #71171a;
  font-weight: 700;
  padding-bottom: 5px;
  margin-bottom: 2rem;
}
.course_box h4 {
  border-bottom: 1px solid #71171a;
  font-weight: 400;
  padding-bottom: 5px;
  margin-bottom: 1.5rem;
}
.cardimg .img-fluid {
  height: 400px;
  object-fit: cover;
}
.index_box p,
.index_box dl,
.index_box dl dd,
.index_box .card p,
.index_box ul {
  margin-bottom: 0;
}
.index_box ul {
  list-style: none;
  margin-left: 0;
  padding-left: 0;
}
.tour_info_box {
  margin-bottom: 1rem;
  margin-left: 1.5rem;
  font-size: .9rem;
}
.tour_info_box h6 {
  color: #71171a;
  font-weight: 700;
  margin-bottom: .10px;
}
.tour_info_box h6.h6_icon01::before {
  content:url("../img/icon/icon_01.png");
  padding-right: 0.2rem;
  vertical-align: middle;
  color: #fff;
  margin-left: -24px;
  width: 24px;
}
.tour_info_box h6.h6_icon02::before {
  content:url("../img/icon/icon_02.png");
  padding-right: 0.2rem;
  vertical-align: middle;
  color: #fff;
  margin-left: -24px;
  width: 24px;
}
.tour_info_box h6.h6_icon03::before {
  content:url("../img/icon/icon_03.png");
  padding-right: 0.2rem;
  vertical-align: middle;
  color: #fff;
  margin-left: -24px;
  width: 24px;
}
.tour_info_box h6.h6_icon04::before {
  content:url("../img/icon/icon_04.png");
  padding-right: 0.2rem;
  vertical-align: middle;
  color: #fff;
  margin-left: -24px;
  width: 24px;
}
.tour_info_box h6.h6_icon05::before {
  content:url("../img/icon/icon_05.png");
  padding-right: 0.2rem;
  vertical-align: middle;
  color: #fff;
  margin-left: -24px;
  width: 24px;
}
.tour_info_box h6.h6_icon06::before {
  content:url("../img/icon/icon_06.png");
  padding-right: 0.2rem;
  vertical-align: middle;
  color: #fff;
  margin-left: -24px;
  width: 24px;
}
.tour_info_box h6.h6_icon07::before {
  content:url("../img/icon/icon_07.png");
  padding-right: 0.2rem;
  vertical-align: middle;
  color: #fff;
  margin-left: -24px;
  width: 24px;
}
.fee_box {
  border-top: 5px solid #333333;
  padding: 10px;
  background: #eeeeee;
}
.fee_box dl {
  text-align: center;
}
.fee_box dl dd {
  font-size: 1.5rem;
  font-weight: 700;
  color: #71171a;
}
.fee_box p b {
  font-size: 1.5rem;
}
.fee_box ul {
  font-size: .8rem;
}
.fee_box ul li {
  margin-left: 8px;
  text-indent: -8px
}
.btn_01 {
  background: rgba(113,23,26,1.00);
  padding: .5rem 1rem;
  color: #fff;
  width: 200px;
  font-weight: 500;
  border-radius: 0;
  border-bottom: none;
  border-radius: 20px;
  border: 3px solid #71171a;
}
.btn_01:hover {
  background: rgba(255,255,255,1.00);
  padding: .5rem 1rem;
  color: #fff;
  width: 200px;
  border: 3px solid #71171a;
  color: #71171a;
  font-weight: 500;
  border-radius: 20px;
}

.course_list {
  list-style-type: none;
  margin-left: 0;
  margin-bottom: 0;
  padding-left: 0;
}
.course_list {
  display: flex;
  flex-flow: row wrap;
}
.course_list dl {
  width: 48%;
  margin-right: 2%;
}
.course_list dl:nth-child(2n) {
  margin-right: 0;
}
.course_list dl dd {
  font-size: 0.8rem;
  margin-left: 30px;
  margin-bottom: 0;
}
.course_list dl dd span {
  display: inline-block;
  width: 20px;
  height: 20px;
  margin: 5px 10px 0 -30px;
  text-align: center;
  border-radius: 50%;
  background-color: #e60012;
  box-sizing: border-box;
  color: #fff;
  font-size: .7rem;
}
.course_point_box dl dt.dt_box {
  background: #eee;
  min-width: 200px;
  max-width: 200px;
  padding: 1rem;
  margin-right: 1rem;
}
.course_point_box dl dd {
  margin-bottom: 0;
  padding-top: 1rem;
}
.course_point_box dl dd h6 {
  font-weight: 700;
}
.accordion  {
  margin-inline: 0;
}

.accordion_title {
  position: relative;
  border: none;
  display: block;
  list-style: none;
  width: 100%;
  cursor: pointer;
  background: #333333;
  padding: 10px;
}

summary.accordion_title::-webkit-details-marker {
  display:none;
}
summary.accordion_title h5 {
  color: #fff;
  font-weight: bold;
  position: relative;
  display: inline-block;
  padding: 0 .5em;
  font-family: "neue-haas-grotesk-text", sans-serif;
}
summary.accordion_title h5:before {
  position: absolute;
  top: 0;
  color: #577E52;
  left: 0;
}
.accordion_title:after {
  content: "+";
  position: absolute;
  top: calc(50% - 0.5em);
  right: 20px;
  line-height: 1;
  padding: 0;
  pointer-events: none;
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
}

.accordion::details-content {
  opacity: 0;
  block-size: 0;
  transition: .3s;
  transition-property: display, opacity, block-size, padding;
  transition-behavior: allow-discrete;
  line-height: 1.6em;
}

.accordion .accordion_content {
  padding: 0 2em 0 3em;
}

.accordion .accordion_content > *:first-of-type {
  margin-top: 0;
}

.accordion .accordion_content > *:last-of-type {
  margin-bottom: 0;
}

.accordion[open]::details-content {
  opacity: 1;
  block-size: auto;
  block-size: calc-size(auto, size);
}

.accordion[open] .accordion_content {
  padding: 0 2em 1.4em 3em;
}

.accordion[open] .accordion_title:after {
  content: "-";
}
@media screen and (max-width: 992px) {
  .cardimg .img-fluid {
    max-height: 300px;
    width: 100%;
    object-fit: cover;
  }
  .course_box {
    margin-bottom: 100px;
  }
  .course_box h2 {
    font-size: 1.5rem;
  }
  .course_box h3 {
    font-size: 1.3rem;
  }
}
@media screen and (max-width: 768px) {
  .course_point_box dl {
    font-size: .9rem;
  }
  .course_point_box dl dt.dt_box {
    background: #eee;
    min-width: 150px;
    max-width: 150px;
    padding: 1rem;
    margin-right: 1rem;
  }
}
@media screen and (max-width: 576px) {
  .course_point_box dl {
    font-size: .8rem;
  }
  .course_point_box dl dt.dt_box {
    background: #eee;
    min-width: 130px;
    max-width: 130px;
    padding: 1rem;
    margin-right: 1rem;
  }
}

.gallery {
  display: grid;
  grid-template-columns: 24% 24% 24% 24%;
  grid-template-rows: 48% 48%;
  grid-template-areas:
    "A A C B"
    "A A D E";
  gap: 0 1%;
}
.gallery .photoA {
  grid-area: A;
}
.gallery .photoB {
  grid-area: B;
}
.gallery .photoC {
  grid-area: C;
}
.gallery .photoD {
  grid-area: D;
}
.gallery .photoE {
  grid-area: E;
}
.gallery .photoF {
  grid-area: F;
}
.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.insta-embed-class {
    margin-inline: auto !important;
}