@charset "UTF-8";
body {
  font-family: "Noto Sans JP", sans-serif;
  color: #333;
}
body.is-fixed {
  overflow: hidden;
}

.button {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding: 6px 10px 6px 30px;
  width: 160px;
  margin: 0 auto;
}
.button--bg {
  background-color: #fff;
}
.button--bg .button__text {
  color: #4a4a4a;
}
.button--border {
  border: 1px solid #fff;
}
.button--border .button__text {
  color: #fff;
}
.button__icon {
  width: 24px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.button__icon-path {
  fill: #fff;
}
.button__icon-path--contact {
  fill: #4a4a4a;
}
.button__text {
  margin-left: 10px;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: #fff;
}

.line-marker {
  background: -webkit-gradient(linear, left top, left bottom, color-stop(55%, transparent), color-stop(55%, rgba(255, 217, 0, 0.8)));
  background: linear-gradient(transparent 55%, rgba(255, 217, 0, 0.8) 55%);
}

.bold {
  font-weight: 700;
}

.header {
  background-color: #4a4a4a;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
}
.header__container {
  position: relative;
  width: 100%;
}
.header__contents {
  display: none;
  height: calc(100vh - 88px);
  padding-top: 60px;
  border: 1px solid #fff;
}
.header__logo {
  display: inline-block;
  font-size: 20px;
  color: #fff;
  padding: 24px;
}
.header__menu-button {
  border: none;
  position: absolute;
  top: 24px;
  right: 24px;
  width: 30px;
  height: 36px;
  overflow: hidden;
  color: transparent;
  background: url(../img/bg_menu.png) center center no-repeat;
  background-size: 100% auto;
}
.header__menu-button.is-checked {
  background: url(../img/bg_menu-close.png) center center no-repeat;
  background-size: 100% auto;
}
.header__nav-item + .header__nav-item {
  margin-top: 24px;
}

.fv {
  position: relative;
}
.fv__contents {
  position: absolute;
  bottom: 26px;
  left: 0;
  width: 100%;
  height: 209px;
  padding: 32px;
  background: url(../img/sp/bg_fv.png) center center no-repeat;
  background-size: 100% auto;
}
.fv__heading-main {
  display: block;
  font-size: 40px;
  letter-spacing: 0.1em;
}
.fv__heading-sub {
  display: block;
  font-size: 14px;
  margin-top: 12px;
}

.section {
  padding: 48px 0;
}
.section__inner {
  padding: 0 32px;
}
.section__head {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  margin-bottom: 32px;
}
.section__head--center {
  text-align: center;
}
.section__head-main {
  font-size: 40px;
  letter-spacing: 0.1em;
}
.section__head-sub {
  font-size: 14px;
}
.section__lead-text {
  font-size: 16px;
  line-height: 1.6;
}
.section__contents {
  margin-top: 40px;
}

.about__container {
  padding: 30px 0;
}
.about__title {
  font-size: 25px;
  font-weight: 600;
  margin-bottom: 24px;
}
.about__img {
  margin-bottom: 32px;
}
.about__img img {
  -webkit-box-shadow: 0 4px 15px 0 rgba(0, 0, 0, 0.15);
          box-shadow: 0 4px 15px 0 rgba(0, 0, 0, 0.15);
}
.about__text-contents {
  max-width: 483px;
}
.about__text {
  font-size: 16px;
  line-height: 1.6;
}
.about__text + .about__text {
  margin-top: 1em;
}

.concept__text {
  font-size: 16px;
  line-height: 1.6;
}
.concept__text + .concept__text {
  margin-top: 1em;
}

.skill__text,
.works__text {
  font-size: 16px;
  line-height: 1.6;
}
.skill__text + .skill__text,
.skill__text + .works__text,
.works__text + .skill__text,
.works__text + .works__text {
  margin-top: 40px;
}
.skill__title,
.works__title {
  font-size: 25px;
  font-weight: 600;
}
.skill__list,
.works__list {
  list-style-type: initial;
  list-style-position: inside;
  margin-top: 15px;
}
.skill__list + .skill__list,
.skill__list + .works__list,
.works__list + .skill__list,
.works__list + .works__list {
  margin-top: 1em;
}
.skill__item + .skill__item,
.skill__item + .works__item,
.works__item + .skill__item,
.works__item + .works__item {
  margin-top: 1em;
}
.skill__link-text,
.works__link-text {
  margin-left: 1em;
  margin-top: 1em;
}
.skill__link-text::before,
.works__link-text::before {
  content: ">>";
}
.skill__link-text a,
.works__link-text a {
  color: #6283c2;
  font-weight: 600;
  text-decoration-line: underline;
}
.page-bottom {
  color: #fff;
}
.page-bottom__item {
  padding: 40px;
}
.page-bottom__item--contact {
  background-color: #6f6f6f;
}
.page-bottom__item--twitter {
  background-color: #4a4a4a;
}
.footer {
  text-align: center;
  padding: 10px;
}
.footer__copy {
  font-size: 11px;
  font-family: "Noto Sans JP", sans-serif;
}

/*----------------------------
// pc
-----------------------------*/
@media screen and (min-width : 768px) {
  .wrapper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
  .main {
    -ms-flex-preferred-size: 79.2%;
        flex-basis: 79.2%;
  }
  .header {
    position: relative;
    -ms-flex-preferred-size: 20.8%;
        flex-basis: 20.8%;
    padding: 50px 20px; /* headerの、上部の位置と合わせてあげる*/
  }
  .header__container {
    width: 160px;
    margin: 0 auto;
    position: sticky;
    top: 50px; /* headerの、上部の位置と合わせてあげる*/
  }
  .header__logo {
    font-size: 30px;
    letter-spacing: 0.12em;
    line-height: 1;
    padding: 0;
  }
  .header__menu-button {
    display: none;
  }
  .header__contents {
    border: none;
    display: block;
  }
  .button {
    -webkit-transition: background 0.3s, color 0.3s, opacity 0.3s;
    transition: background 0.3s, color 0.3s, opacity 0.3s;
  }
  .button:hover {
    background-color: #fff;
  }
  .button:hover .button__icon-path {
    fill: #4a4a4a;
  }
  .button:hover .button__text {
    color: #4a4a4a;
  }
  .button--bg:hover {
    opacity: 0.7;
  }
  .section__inner {
    max-width: 944px;
    margin: 0 auto;
  }
  .section__head {
    margin-bottom: 24px;
  }
  .section__head-main {
    font-size: 60px;
  }
  .fv__contents {
    background: url(../img/bg_fv.png) center center no-repeat;
    background-size: 100% auto;
    bottom: 100px;
    left: 0;
    max-width: 627px;
    height: 174px;
    padding-top: 24px;
    padding-left: 96px;
  }
  .about__container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
    gap: 40px;
  }
  .about__container-p2 {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
  }
  .message__container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
    gap: 40px;
  }
  .concept__container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    gap: 40px;
  }
  .page-bottom__item {
    padding: 54px 10px;
  }
}
/*----------------------------
// tb
-----------------------------*/
@media screen and (min-width : 768px) and (max-width : 1024px) {
  .section__head-main {
    font-size: 54px;
  }
  .fv__contents {
    bottom: 50%;
    -webkit-transform: translateY(50%);
            transform: translateY(50%);
  }
}