@charset "utf-8";

html {

  width: 100%;
  max-width: 1920px;
  margin: auto;
  overflow-y: scroll;

  --mainColor: #374593;
  --first-view-color: #F0F0ED;
  --accent_color: #D53C17;
  --img-ratio: 3/2;
  --bg-color_transition: background-color 0.2s;
  ;
}

body {
  width: 100%;

  margin: 0 auto;
  background-color: #fff;
  color: #000;
  font-family: 'Roboto', 'Noto Sans JP', sans-serif;
  font-display: swap;
  font-size: 1rem;
  line-height: 2;
  text-align: center;


  --outer-margin: 80%;
  --inner-margin: 85%;
  --inner-margin-fill: 100%;
}

a {

  &:link,
  &:visited {
    color: #000;
    text-decoration: underline;
  }

  &:active,
  &:hover,
  &:focus {
    color: #344198;
    text-decoration: none;
    opacity: 0.7;
    transition: color 0.5s ease;
  }
}

a img:hover {
  opacity: 0.7;
}

.sp {
  display: none !important;
}

h1,
h2,
h3,
p,
ul,
li,
dl,
dt,
dd {
  text-align: left;
}

.pagetop {
  height: 50px;
  width: 50px;
  position: fixed;
  right: 45px;
  bottom: 45px;
  background: #fff;
  border: solid 1px #666;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
  opacity: 0.7;

  &::hover {
    opacity: 0.5;
  }
}



.pagetop_arrow {
  height: 13px;
  width: 13px;
  border-top: 1px solid #666;
  border-right: 1px solid #666;
  transform: translateY(20%) rotate(-45deg);
}


@media screen and (max-width: 750px) {
  html {
    font-size: 18px;

  }

  /* ---sp--- */
  body {
    width: 100%;
    min-width: initial;
    --outer-margin: 90%;
    --inner-margin: 100%;
  }

  .sp {
    display: block !important;
  }

  .pc {
    display: none !important;
  }

  img {
    width: 100%;
  }

  .pagetop {
    right: 15px;
    bottom: 15px;
  }
}

h1 {
  position: absolute;
  display: none;
}



/* ----------▼ main ▼---------- */
main {
  overflow: hidden;

}

.banner_wrapper {
  width: var(--outer-margin);
  margin: 0 auto;
  box-sizing: border-box;
  text-align: right;
}

.home_banner {
  height: fit-content;

  display: inline-block;
}

.home_banner img {
  width: 100%;
  aspect-ratio: 10/3;
  height: auto;
  margin-top: 3em;
}

.sec_container {
  width: var(--outer-margin);
  margin: 0 auto 2rem auto;
}


.sec_title {
  margin: 0 0 4rem 0;
  padding: 0.2rem 0 0.2rem 0.8rem;
  line-height: 1;
  border-left: 8px solid var(--accent_color);
}

.sec_title .h2_main {
  font-size: 2.3rem;
  line-height: 1;
  display: block;
}

html[lang=en] .h2_main {
  position: relative;
  letter-spacing: 0.1em;
  display: inline;
  color: black;
  font-size: 3rem;
  font-weight: 600;
  z-index: 0;
}

.sec_title .h2_sub {
  font-family: "Roboto", sans-serif;
  font-optical-sizing: auto;
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  font-variation-settings: "wdth" 100;
  margin-bottom: 0.8rem;
  color: var(--accent_color);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  line-height: 1;
  display: block;
}

.sec_title .h2_sub {
  margin-bottom: 6px;
}

.sec_wrapper_outline {
  background-color: var(--first-view-color);
  background-image: url(../image/project_back.png);
  background-size: cover;
  padding-top: 4rem;
  padding-bottom: 4rem;
  margin-bottom: 4rem;
  box-sizing: border-box;
  display: flex;
  outline: 2rem solid var(--mainColor);
  outline-offset: -2rem;

}

.sec_wrapper_fill {
  background-color: var(--mainColor);
  padding: 0.1px;
  padding-top: 4rem;
}

@media screen and (max-width: 750px) {

  /* ---sp--- */
  .banner_wrapper {
    display: contents;
  }

  .home_banner {
    width: 65%;
    margin: 1rem auto;
  }

  .sec_title {
    margin: 2rem auto 1rem auto;
  }

  .sec_title .h2_main {
    font-size: 1.9rem;

  }

  .sec_container {
    width: var(--outer-margin);
  }

  .sec_highlight {
    background-image: none;
  }

  .sec_wrapper_outline {
    background-image: url(../image/project_back_sp.png);
    /* background-size: cover; */
    background-position-x: right;
    background-repeat: no-repeat;
    outline-width: 1vh;
    outline-offset: -1vh;
  }

  html[lang=en] .sec_title .h2_main {
    font-size: 2.3rem;
  }
}

/* ----------▲ main ▲---------- */



/* ----------▼ outline ▼---------- */

.outline table tr {
  border-top: 1px solid #666;
  border-bottom: 1px solid #666;
  font-size: 0.95rem;
}

.outline table th,
.outline table td {
  padding: 18px 30px;
  font-weight: normal;
}


html[lang=en] .outline table th,
html[lang=en] .outline table td {
  font-size: 1rem;
}

.outline table th {
  min-width: 180px;
  background: #f3f3f3;
  white-space: nowrap;
}

html[lang=en] .outline table th {
  min-width: 250px;
}

.outline table td {
  text-align: left;
}

.outline_wrapper {
  width: var(--inner-margin);
  margin: auto;
  display: flex;
  flex-direction: column;
}

.note {
  text-align: right;
  margin-top: 20px;
  font-size: 0.75rem;
}

@media screen and (max-width: 750px) {

  /* ---sp--- */

  .outline table tr {
    border: none
  }

  .outline table th,
  .outline table td {
    padding: 8px 10px;
    display: block;
  }

  .outline table td {
    margin: auto;
    padding-bottom: 20px;
  }

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

/* ----------▲ outline ▲---------- */



/* ----------▼ theme ▼---------- */


.theme_wrapper {
  display: grid;
  width: var(--inner-margin-fill);
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  column-gap: 3rem;
  row-gap: 2.5rem;
}

.theme_wrapper .theme_box {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  background: #fff;
  text-align: left;
}


.theme_bar {
  width: 100%;
  padding-left: 2rem;
  background-color: var(--mainColor);
  box-sizing: border-box;
}

.theme_wrapper .theme_sub {
  width: fit-content;
  line-height: 2rem;
  margin: 0;
  padding: 0 0.5em;
  position: relative;
  background-color: #66bbb4;
  z-index: 1;
  color: #fff;
  letter-spacing: 0.2em;
  font-size: 0.7rem;
  font-style: italic;
  font-weight: bold;
}

.theme_wrapper .theme_num {
  padding-left: 0.15em;
  color: yellow;
  font-size: 1.5rem;
  vertical-align: -0.04em;
}

.theme_wrapper .theme_box .theme_box_content {
  padding: 1.6rem 2rem;
}

.theme_wrapper .theme_name {
  position: relative;
  padding: 0.5em 0.7em;
  background: #f3f3f3;
  font-size: 1.3rem;
  font-weight: normal;
  line-height: 1.3;
}

.theme_wrapper .theme_name a {
  text-decoration: none;
  display: block;

  &::after {
    content: '';
    width: 8px;
    height: 8px;
    border: 0;
    border-top: solid 2px #666;
    border-right: solid 2px #666;
    position: absolute;
    top: 50%;
    right: 12px;
    margin-top: -4px;
    transform: rotate(45deg);
  }
}

.theme_wrapper .theme_project {
  /*flex-grow: 1;*/
  margin: 1em 0;
  padding: 0 0.7em;
  line-height: 1.3;
  font-size: 1.1rem;
  font-weight: bold;
}

.theme_wrapper .theme_project span {
  display: block;
}

.theme_wrapper .theme_project .project_en {
  margin-bottom: 0.5em;
}

.theme_wrapper .link_pdf {
  padding: 0;
  list-style: none;
  line-height: 1;
  font-size: 0.9rem;
}

.theme_wrapper .link_pdf li {
  position: relative;
  border-bottom: 1px solid #666;
}

.theme_wrapper .link_pdf a {
  margin-left: 7px;
  padding: 18px 13px 18px 30px;
  margin: 0;
  background: url(../image/icon_pdf.png) left center no-repeat;
  display: block;
  text-decoration: none;
}

.theme_wrapper .link_pdf a::after {
  content: '';
  width: 8px;
  height: 8px;
  border: 0;
  border-top: solid 2px #666;
  border-right: solid 2px #666;
  position: absolute;
  top: 50%;
  right: 12px;
  margin-top: -4px;
  transform: rotate(45deg);
}

@media screen and (max-width: 750px) {

  /* ---sp--- */
  .theme_wrapper {
    width: var(--inner-margin-fill);
    display: block;
  }

  .theme_wrapper .theme_box {
    margin: 1rem auto;
  }

  .theme_wrapper .theme_box .theme_box_content {
    padding: 1.5rem 0.5rem;
  }

  .theme_wrapper .link_pdf {
    font-size: 0.85rem;
    display: block;
  }

  .theme_wrapper .link_pdf a {
    margin: 0 1rem;
    padding-left: 27px;
  }

  .theme_wrapper .link_pdf a::after {
    right: 8px;
  }
}

/* ----------▲ theme ▲---------- */



/* ----------▼ schedule ▼---------- */
.schedule_wrapper {
  width: var(--inner-margin);
  margin: 0 auto;
  display: flex;
  --sp-width: 0;
}

.schedule_inner_wrapper {
  position: relative;
  width: 26.5%;
}

.schedule_photo {
  position: absolute;
  max-height: 100%;
  height: 100%;
  display: flex;
  flex-flow: column;
  justify-content: space-between;
  gap: 1rem;
}

.schedule_photo figure {
  height: calc((100% - 1rem*3)/4);
  margin: 0
}

.schedule_photo figure img {
  max-height: 100%;
  max-width: 100%;
  aspect-ratio: var(--img-ratio);
  object-fit: cover;
}

.schedule_text {
  width: 73.5%;
  text-align: left;
  padding-left: 30px;
}

.schedule_text li {
  width: 100%;
  padding: 0 0 20px 20px;
  position: relative;
  list-style: none;
  border-left: 2px solid #666;
  box-sizing: border-box;
}

.schedule_text li:last-child {
  border-left: none;
}

.schedule_text h3 {
  line-height: 1;
}

.schedule_text h3::before {
  width: 15px;
  height: 15px;
  content: "";
  position: absolute;
  left: -9px;
  top: 0;
  background: #666;
  border-radius: 10px;
}

.schedule_text .schedule_point h3::before {
  background: var(--mainColor);
  width: 20px;
  height: 20px;
  left: -11px;
}

.schedule_text .schedule_important h3::before {
  background: var(--accent_color);
  width: 25px;
  height: 25px;
  left: -12px;
  border-radius: 12.5px;
}


.schedule_text p {
  font-size: 0.85rem;
}

@media screen and (max-width: 750px) {

  /* ---sp--- */
  .schedule_wrapper {
    width: var(--inner-margin-fill);
    display: block;
  }

  .schedule_inner_wrapper {
    display: none;
    ;
  }

  .schedule_text {
    padding-left: 1rem;
    width: 100%;
  }

  .schedule_text>li>h3 {
    margin-bottom: 1rem;
  }

  .schedule_photo {
    display: none;
  }
}

/* ----------▲ schedule ▲---------- */


/* ----------▼ swiper共通 ▼---------- */
.album,
.voice {
  overflow: visible;
}

.album .swiper,
.voice .swiper {
  overflow: visible;
  position: relative;
  width: var(--inner-margin-fill);
}

.album .swiper-scrollbar:hover,
.voice .swiper-scrollbar:hover {
  cursor: grab;
}

.album .swiper-scrollbar-drag,
.voice .swiper-scrollbar-drag {
  height: 14px;
  top: calc((14px - 4px)/ -2);
  /*(つまみ高さ-デフォルトバー高さ)/半分 真ん中に合わせる*/
}

/* ----------▲ swiper共通 ▲---------- */

/* ----------▼ album ▼---------- */

.album {
  --category-color: #888
}

.filter {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 0 0 2rem 0
}

.filter button {
  min-width: 6rem;
  width: fit-content;
  white-space: nowrap;
  font-size: 0.8rem;
  border-radius: 1.6rem;
  padding: 0 1rem;
  border: none;
  background-color: var(--category-color);
}

.category_label {
  position: absolute;
  top: 0;
  left: 0;

  width: 2rem;
  aspect-ratio: 1;
  clip-path: polygon(0 0, 100% 0, 0 100%);
  background: var(--category-color);

}

.color_all {
  color: white;
  --category-color: #888888;
}

.color_discussion {
  color: white;
  --category-color: #66bbb4;
}

.color_jp-class {
  color: white;
  --category-color: #35B23E;
}

.color_sharing {
  color: white;
  --category-color: #374593;
}

.color_site-visit {
  color: white;
  --category-color: #3893E6;
}

.color_event {
  color: white;
  --category-color: #F77C13;
}


.color_weekend {
  color: black;
  --category-color: yellow;
}

.color_projects {
  color: white;
  --category-color: var(--accent_color);
}

.album .swiper {
  margin-bottom: 2rem;
}

.album .swiper-slide {
  width: 28%;
  margin-bottom: 2rem;
}

.album figcaption {
  height: 4rem;
  /*行数にかかわらず統一*/
  word-break: auto-phrase;

}

.album .swiper-slide img {
  width: 100%;
  aspect-ratio: var(--img-ratio);
  object-fit: cover;
}

.album .swiper-scrollbar {
  --swiper-scrollbar-bg-color: black
}


.album .swiper-scrollbar-drag {
  --swiper-scrollbar-drag-bg-color: #888888FF
}

.album figure {
  padding-bottom: 1rem;
}

.album figcaption {
  text-align: left;
  text-indent: -8px;
}

@media screen and (max-width: 750px) {
  .filter {
    display: block;
    text-align: left;
  }

  .album figcaption {
    height: 2rem;
  }

  .custom-select-wrapper {
    width: 100%;
    max-width: 400px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 16px;
    position: relative;
  }

  .custom-select {
    position: relative;
    cursor: pointer;
    user-select: none;
  }


  .selected {
    border: 1px solid #000;
    border-radius: 999px;
    padding: 0.4rem 20px;
    background-color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--bg-color_transition);
  }

  .selected::after {
    position: absolute;
    content: "";
    width: 32px;
    height: 32px;
    right: 1rem;
    transform: rotate(-90deg);
    background-image: url("../image/navigation_arrow.svg");
  }

  .select-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #d9e8e8f7;
    display: none;
    z-index: 10;
  }

  .option {
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: black;
    transition: var(--bg-color_transition)
  }

  .option:hover {
    background-color: #cde0e0;
  }

  .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    background-color: var(--category-color)
  }
}

/* ----------▲ album ▲---------- */




/* ----------▼ voice ▼---------- */

.sec_wrapper_fill>.sec_container {
  background-color: unset;
}

.voice>.sec_title>.h2_main {
  color: white
}

.voice .swiper-button {
  width: var(--inner-margin-fill);
  position: absolute;
  display: flex;
  justify-content: flex-end;
}

.voice .swiper-pagination {
  padding-right: 130px;
  color: white;
  font-style: italic;
  text-align: right;
}

.voice .swiper-button-prev,
.voice .swiper-button-next {
  width: 45px;
  height: 45px;
  border: 3px solid #fff;
  border-radius: 100%;
  position: initial;

  &::after {
    color: #fff;
    font-size: 1.2rem;
    font-weight: bold;
  }

  &:hover {
    opacity: 0.7;
    transition: 0.6s;
  }
}




.voice .swiper-button-next {
  margin-left: 20px;
}


.voice .swiper-wrapper {
  padding-top: 50px;
  display: flex;
  align-items: stretch;
}

.voice .swiper-slide {
  height: auto;
  margin-bottom: 2rem;
  padding: 30px;
  background: url(../image/voice_bg2025.jpg) right bottom no-repeat #fff;
  text-align: left;
}

.voice .swiper-scrollbar {
  --swiper-scrollbar-bg-color: white
}


.voice .swiper-scrollbar-drag {
  --swiper-scrollbar-drag-bg-color: var(--accent_color)
}

.voice .swiper-slide h3 {
  line-height: 1.3;
  margin-bottom: 20px;
}

.voice .swiper-slide h3.lang_en {
  font-size: 1.22rem;
}

.voice .swiper-slide p {
  margin-bottom: 0;
  line-height: 1.8;

}

@media screen and (max-width: 750px) {

  /* ---sp--- */
  .voice .swiper-button {
    top: 1rem;
  }

  .voice .swiper-slide {
    padding: 30px 20px;
  }

  voice .swiper-slide p {
    font-size: 0.85rem;
  }
}

/* ----------▲#voice ▲---------- */


/* ----------▼ footer ▼---------- */
.footer_wrapper {
  width: var(--outer-margin);
  margin: 6rem auto 3rem auto;
  display: flex;
  justify-content: space-between;

}

.footer_mail_icon {
  width: 15px;
  height: auto;
}

.footer_logo {
  text-align: left;
  margin-bottom: 30px;
}

.footer_logo img {
  width: 200px;

}


.footer_host {
  padding: 0;
  display: flex;
  justify-content: flex-end;
  justify-items: stretch;
  width: 60%;
  align-items: center;
  list-style: none;
  gap: 4%;
  margin-bottom: 2rem;
}

.footer_host>li {
  flex-grow: 1;
  max-height: 100%;

}

.footer_host li img {
  width: 100%;
}

.footer_copy {
  margin: 0 auto;
  padding: 1.5rem 0;
  text-align: center;
  background: var(--mainColor);
  color: #fff;
  font-size: 0.75rem;
}

html[lang=en] .footer_host {
  font-size: 0.9rem;
}

@media screen and (max-width: 750px) {

  /* ---sp--- */
  .footer_wrapper {

    margin: 4rem auto;
    display: block;
  }


  .footer_logo {
    text-align: center;
  }

  .footer_mail {
    font-size: 0.9rem;
  }

  .footer_info {
    margin-bottom: 2rem;
  }

  .footer_info p {
    line-height: 1.5;
  }

  .footer_info address {
    text-align: left;
  }

  .footer_host {
    padding: 0;
    width: 100%;
    gap: 12px;
  }

}

/* ----------▲ footer ▲---------- */