@charset "UTF-8";

:root {
  --black: #101010;
  --white: #ffffff;
  --gray: #b0b0b0;
  --main-font: "Suisse Int'l", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  font-family: "Montserrat", "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 15px;
  letter-spacing: 0.05em;
  color: #333;
}

a {
  transition: opacity 0.3s;
  text-decoration: none;
  color: #222;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
  border-style: none;
}

.box {
  width: 1080px;
}

.pc-only {
  display: block;
}

.sp-only {
  display: none;
}

/*--------------------------------
   レイアウト
  ---------------------------------*/
.fade-contents {
  opacity: 1;
  transition: opacity 0.2s ease;
}

.fade-contents.fadeout {
  opacity: 0;
}

.wrapper {
  padding-top: 73px;
}

.section {
  padding: 90px 0;
}

.section:nth-of-type(odd) {
  background-color: #f7f7f7;
}

.container {
  max-width: 1340px;
  margin: 0 auto;
  padding: 0 40px;
}

.text-center {
  text-align: center;
}

/*--------------------------------
スクロールアニメ
---------------------------------*/
.smooth {
  animation-name: smoothAnime;
  animation-duration: 0.7s;
  animation-fill-mode: forwards;
  transform-origin: left;
  opacity: 0;
}

@keyframes smoothAnime {
  from {
    transform: translate3d(0, 100%, 0) skewY(12deg);
    opacity: 0;
  }

  to {
    transform: translate3d(0, 0, 0) skewY(0);
    opacity: 1;
  }
}

.fadeIn {
  animation-name: fadeInAnime;
  animation-duration: 1s;
  animation-fill-mode: forwards;
  opacity: 0;
}

@keyframes fadeInAnime {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.fadeUp {
  animation-name: fadeUpAnime;
  animation-duration: 0.5s;
  animation-fill-mode: forwards;
  opacity: 0;
}

@keyframes fadeUpAnime {
  from {
    opacity: 0;
    transform: translateY(100px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.js-fadeUPTrigger,
.js-smoothTrigger {
  opacity: 0;
}

/* animation delay*/
.delay-time02 {
  animation-delay: 0.2s;
}

.delay-time04 {
  animation-delay: 0.4s;
}

.TextTyping span {
  display: none;
}

/* テキストスライドアニメーション */
.slide-in {
  overflow: hidden;
  display: inline-block;
}

.slide-in_inner {
  display: inline-block;
}

.leftAnime {
  opacity: 0;
}

.slideAnimeLeftRight {
  animation-name: slideTextX100;
  animation-duration: 0.8s;
  animation-fill-mode: forwards;
  opacity: 0;
}

@keyframes slideTextX100 {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.slideAnimeRightLeft {
  animation-name: slideTextX-100;
  animation-duration: 0.8s;
  animation-fill-mode: forwards;
  opacity: 0;
}

@keyframes slideTextX-100 {
  from {
    transform: translateX(100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/*--------------------------------
   biography
  ---------------------------------*/

.biography {
  position: relative;
  padding-top: 100px;
  min-height: 100dvh;
  min-height: 100vh;
  background-color: var(--black);
  color: var(--white);
}

.biography__inner {
  padding-inline: 30px;
}

.biography__wrapper {
  margin-bottom: 46px;
}

.biography__container {
  position: relative;
  width: 100%;
  height: 285px;
}

.biography__list {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  gap: 90px;
}

.biography__item {
  position: relative;
  z-index: 1;
  width: 240px;
}

.biography__item:last-of-type {
  margin-right: 75px;
}

.biography__date {
  display: inline-block;
  margin-bottom: 20px;
  font-family: var(--main-font);
  font-size: 1.6rem;
  letter-spacing: 0.07em;
}

.biography__title {
  margin-bottom: 48px;
  font-size: 1.6rem;
}

.biography__date,
.biography__title,
.biography__description {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 1s, transform 1s;
  transition-timing-function: ease;
}

.biography__list.is-show .biography__date,
.biography__list.is-show .biography__title,
.biography__list.is-show .biography__description {
  opacity: 1;
  transform: translateY(0);
}

.biography__item:first-of-type .biography__date,
.biography__item:first-of-type .biography__title,
.biography__item:first-of-type .biography__description {
  transition-delay: 0.5s;
}

.biography__item:nth-of-type(2) .biography__date,
.biography__item:nth-of-type(2) .biography__title,
.biography__item:nth-of-type(2) .biography__description {
  transition-delay: 0.7s;
}

.biography__item:nth-of-type(3) .biography__date,
.biography__item:nth-of-type(3) .biography__title,
.biography__item:nth-of-type(3) .biography__description {
  transition-delay: 0.9s;
}

.biography__item:nth-of-type(4) .biography__date,
.biography__item:nth-of-type(4) .biography__title,
.biography__item:nth-of-type(4) .biography__description {
  transition-delay: 1.1s;
}

.biography__item:last-of-type .biography__date,
.biography__item:last-of-type .biography__title,
.biography__item:last-of-type .biography__description {
  transition-delay: 1.3s;
}

.biography__dot {
  display: block;
  position: relative;
  width: 10px;
  height: 10px;
  margin-bottom: 44px;
  background-color: var(--white);
  border-radius: 50%;
}

.biography__dot::after {
  position: absolute;
  content: "";
  top: 5px;
  left: 0;
  z-index: -1;
  width: 330px;
  height: 1px;
  background-color: var(--gray);
}

.biography__item:last-of-type .biography__dot::after {
  width: 360px;
}

.biography__description {
  font-size: 1.3rem;
  line-height: 2.7;
}

.biography__bg-text {
  position: absolute;
  bottom: 0;
  margin-left: 6vw;
  font-size: 13.2rem;
  font-weight: 900;
  font-family: var(--main-font);
  white-space: nowrap;
  background: linear-gradient(to bottom, #101010, rgba(255, 255, 255, 0));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
/*--------------------------------
    下層：Aboutページ
  ---------------------------------*/
.lower-title {
  font-size: 2rem;
  letter-spacing: 0.1em;
  padding: 0 0 7% 0;
  line-height: 1;
}

/*===== Vertical Timeline =====*/
#conference-timeline {
  position: relative;
  max-width: 920px;
  width: 100%;
  margin: 0 auto;
}
#conference-timeline .timeline-start,
#conference-timeline .timeline-end {
  display: table;
  font-family: "Roboto", sans-serif;
  font-size: 18px;
  font-weight: 900;
  text-transform: uppercase;
  background: #00b0bd;
  padding: 15px 23px;
  color: #fff;
  max-width: 5%;
  width: 100%;
  text-align: center;
  margin: 0 auto;
}
#conference-timeline .conference-center-line {
  position: absolute;
  width: 3px;
  height: 100%;
  top: 0;
  left: 50%;
  margin-left: -2px;
  background: #00b0bd;
  z-index: -1;
}
#conference-timeline .conference-timeline-content {
  padding-top: 67px;
  padding-bottom: 67px;
}
.timeline-article {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  margin: 20px 0;
}
.timeline-article .content-left-container,
.timeline-article .content-right-container {
  max-width: 44%;
  width: 100%;
}
.timeline-article .timeline-author {
  display: block;
  font-weight: 400;
  font-size: 14px;
  line-height: 24px;
  color: #242424;
  text-align: right;
}
.timeline-article .content-left,
.timeline-article .content-right {
  position: relative;
  width: auto;
  border: 1px solid #ddd;
  background-color: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  padding: 27px 35px;
}
.timeline-article p {
  margin: 0 0 0 60px;
  padding: 0;
  font-weight: 400;
  color: #242424;
  font-size: 14px;
  line-height: 24px;
  position: relative;
}
.timeline-article p span.article-number {
  position: absolute;
  font-weight: 300;
  font-size: 44px;
  top: 3%;
  left: -70px;
  color: #00b0bd;
}
.timeline-article p span.article-number.small-number {
  font-size: 14px;
}

.timeline-article .content-left-container {
  float: left;
  width: 40%;
}
.timeline-article .content-right-container {
  float: right;
}
.timeline-article .content-left:before,
.timeline-article .content-right:before {
  position: absolute;
  top: 20px;
  font-size: 23px;
  font-family: "FontAwesome";
  color: #fff;
}
.timeline-article .content-left:before {
  content: "\f0da";
  right: -8px;
}
.timeline-article .content-right:before {
  content: "\f0d9";
  left: -8px;
}
.timeline-article .meta-date {
  position: absolute;
  top: 0;
  left: 50%;
  width: 62px;
  height: 62px;
  margin-left: -31px;
  color: #fff;
  border-radius: 100%;
  background: #00b0bd;
}
.timeline-article .meta-date .date,
.timeline-article .meta-date .month {
  display: block;
  text-align: center;
  font-weight: 900;
}
.timeline-article .meta-date .date {
  font-size: 30px;
  line-height: 40px;
}
.timeline-article .meta-date .month {
  font-size: 18px;
  line-height: 10px;
}
/*===== // Vertical Timeline =====*/
.scroll-box {
  padding: 10px;
  width: 70vw; /* 横幅を200pxに指定 */
  height: 60vh; /* 横幅を200pxに指定 */
  border: 1px solid #d9d9d9; /* わかりやすくボーダーを引く */
  overflow-y: scroll; /* 縦方向にスクロール可能にする */
  margin: 0 auto;
}
/*===== Resonsive Vertical Timeline =====*/
@media only screen and (max-width: 830px) {
  #conference-timeline .timeline-start,
  #conference-timeline .timeline-end {
    margin: 0;
  }
  #conference-timeline .conference-center-line {
    margin-left: 0;
    left: 50px;
  }
  .timeline-article .meta-date {
    margin-left: 0;
    left: 20px;
  }
  .timeline-article .content-left-container,
  .timeline-article .content-right-container {
    max-width: 100%;
    width: auto;
    float: none;
    margin-left: 110px;
    min-height: 53px;
  }
  .timeline-article .content-left-container {
    margin-bottom: 20px;
  }
  .timeline-article .content-left,
  .timeline-article .content-right {
    padding: 10px 25px;
    min-height: 65px;
  }
  .timeline-article .content-left:before {
    content: "\f0d9";
    right: auto;
    left: -8px;
  }
  .timeline-article .content-right:before {
    display: none;
  }
}
@media only screen and (max-width: 400px) {
  .timeline-article p {
    margin: 0;
  }
  .timeline-article p span.article-number {
    display: none;
  }
}
/*===== // Resonsive Vertical Timeline =====*/

/* values */
#values {
  padding: 60px 20px;
  background-color: #fafafa; /* ほんのり薄グレー背景 */
}

.values__wrapper ul {
  display: grid;
  grid-template-columns: 1fr 1fr; /* PCは2列、スマホは1列 */
  gap: 32px;
  list-style: none;
  padding: 0;
  margin: 40px 0 0 0;
}

.values__wrapper li {
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  padding: 24px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.values__wrapper li:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.values__wrapper h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
  color: #333;
}

.values__wrapper h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 4px;
  background-color: #ffe066;
  opacity: 0.6;
  border-radius: 2px;
}

.values__wrapper p {
  font-size: 1rem;
  line-height: 1.8;
  color: #555;
}

@media (max-width: 768px) {
  .values__wrapper ul {
    grid-template-columns: 1fr;
  }
}

.values__item {
  flex: 1 1 300px;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* 背景画像用の疑似要素を使うと楽！ */
.values__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 0.15;
  z-index: 1;
  pointer-events: none;
}

.item-sincere::before {
  background-image: url(../images/sincere.png);
}

.item-communication::before {
  background-image: url(../images/comunity.png);
}
.item-honest::before {
  background-image: url(../images/honest.png);
}
.item-enjoy::before {
  background-image: url(../images/enjoy.png);
}

.values__item p,
.values__item .strengths__h3 {
  position: relative;
  z-index: 2;
  background-color: rgba(255, 255, 255, 0.4);
  padding: 8px;
  border-radius: 6px;
}

/* lastmessage */
.lastmessage {
  text-align: center;
  font-size: 1.2rem;
  color: #333;
  margin: 60px 0 40px 0;
  line-height: 1.8;
  font-weight: 500;
}