@charset "UTF-8";

/* ========================================================

  "coolverre.com" About PC Styles

======================================================== */
.l-header { background: rgba(255,255,255,.9); }

section > figure { overflow: hidden; }
section > figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Explanation
-------------------------------------------------------- */
.explanation {
  display: flex;
  justify-content: space-between;
}
.explanation:nth-of-type(even) { flex-direction: row-reverse; }
.explanation > dl dt {
  position: relative;
  font-size: 36px;
  font-size: 3.6rem;
  font-weight: 400;
  letter-spacing: .15em;
  line-height: calc(48 / 36);
  white-space: nowrap;
  margin: 0 0 1em;
}
.explanation > dl dt::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 120px;
  height: 102px;
  background: url(../images/about_sec_deco.png) no-repeat 0 0 / cover;
}
.explanation > dl dd {
  font-size: 18px;
  font-size: 1.8rem;
  letter-spacing: .15em;
  line-height: calc(48 / 18);
}
.explanation > figure { flex-shrink: 0; }
.explanation > figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media screen and (min-width:781px) and (max-width:1200px) {
  .explanation > dl dt { font-size: calc(36 / 1200 * 100vw); }
  .explanation > dl dd { font-size: calc(18 / 1200 * 100vw); }
}

/*
  Main Visual
======================================================== */
.mv .contents-area .inner {
  position: relative;
  height: 100%;
}
.mv h2 {
  position: relative;
  top: calc(320 / 1920 * 100vw);
  font-size: 54px;
  font-size: 5.4rem;
  font-weight: 400;
  letter-spacing: .15em;
  line-height: calc(90 / 54);
}
.mv h2 i {
  width: 206px;
  height: 46px;
  display: block;
  margin: 0 0 0 -20px;
}
.mv h2 i img {
  width: 100%;
  height: auto;
  object-fit: cover;
  vertical-align: top;
}

@media screen and (min-width:781px) and (max-width:1200px) {
  .mv h2 { font-size: calc(54 / 1200 * 100vw); }
  .mv h2 i {
    width: calc(206 / 1200 * 100vw);
    height: calc(46 / 1200 * 100vw);
    margin: 0 0 0 calc(-20 / 1200 * 100vw);
  }
}

/*
  Section01
======================================================== */
.sec01 .contents-area {
  display: grid;
  place-items: center start;
}
.sec01 .contents-area > .inner {
  position: relative;
  z-index: 1;
  height: 100%;
  padding: 0 60px 0 600px;
  display: grid;
  place-items: center start;
  grid-area: 1 / 1;
}
.sec01 .contents-area > .inner h3 {
  font-size: 36px;
  font-size: 3.6rem;
  font-weight: 400;
  letter-spacing: .15em;
  line-height: calc(48 / 36);
}
.sec01 .contents-area > .inner p {
  font-size: 18px;
  font-size: 1.8rem;
  letter-spacing: .15em;
  line-height: calc(48 / 18);
  margin: 1em 0 0;
}

.sec01 .contents-area > figure {
  width: calc(850 / 1920 * 100vw);
  overflow: hidden;
  grid-area: 1 / 1;
}
.sec01 .contents-area > figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media screen and (max-width:1500px) {
  .sec01 .contents-area > .inner {
    padding: 0 0 0 calc(660 / 780 * 100vw * .5);
  }
  .sec01 > figure img { aspect-ratio: 2 / 1; }
}

@media screen and (min-width:781px) and (max-width:1200px) {
  .sec01 .contents-area {
    padding: calc(140 / 1200 * 100vw) 0 0;
    display: block;
  }
  .sec01 .contents-area > .inner {
    height: auto;
    padding: 0;
  }
  .sec01 .contents-area > .inner h3 { font-size: calc(36 / 1200 * 100vw); }
  .sec01 .contents-area > .inner p { font-size: calc(18 / 1200 * 100vw); }
  .sec01 .contents-area > figure {
    width: 60vw;
    margin: 0 0 calc(60 / 1200 * 100vw);
  }
  .sec01 > figure img { aspect-ratio: 1 / 1; }
}

/*
  Section02
======================================================== */
.sec02 { padding: 0 0 130px; }
.sec02 > figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}
.sec02 .explanation:first-of-type { align-items: center; }
.sec02 .explanation:first-of-type > dl { width: calc(620 / 1200 * 100%); }
.sec02 .explanation:first-of-type > figure { width: calc(470 / 1200 * 100%); }

.sec02 .explanation:not(:first-of-type) > dl { width: calc(470 / 1200 * 100%); }
.sec02 .explanation:not(:first-of-type) > figure { width: calc(600 / 1200 * 100%); }

.sec02 .explanation:nth-of-type(2) { margin: 190px 0; }
.sec02 .explanation:nth-of-type(2) > dl { padding: 0 60px 0 0; }
.sec02 .explanation:nth-of-type(2) > dl dd { white-space: nowrap; }

/*
  Section03
======================================================== */
.sec03 .contents-area > .inner {
  height: 100%;
  padding: 0 60px;
  display: grid;
  place-content: center;
}

@media screen and (max-width:1800px) {
  .sec03 > figure img { aspect-ratio: 3 / 2; }
}

@media screen and (max-width:1680px) {
  .sec03 > figure img { aspect-ratio: 10 / 16; }
}

@media screen and (max-width:1500px) {
  .sec03 > figure img { aspect-ratio: 3 / 5; }
}

@media screen and (min-width:781px) and (max-width:1200px) {
  .sec03 .contents-area > .inner {
    display: grid;
    place-content: center;
    padding: 0 calc(40 / 780 * 100vw);
  }
  .sec03 > figure img { aspect-ratio: 9 / 16; }
}

/* Experiment
-------------------------------------------------------- */
.experiment h3 {
  font-size: 36px;
  font-size: 3.6rem;
  font-weight: 400;
  letter-spacing: .15em;
  line-height: calc(48 / 36);
  text-align: center;
}
.experiment p {
  font-size: 18px;
  font-size: 1.8rem;
  letter-spacing: .15em;
  line-height: calc(36 / 18);
  margin: 35px 0;
}

.experiment.hs { margin: 0 0 160px; }
.experiment.hs p { text-align: center; }

.rc-box {
  position: relative;
  border-radius: 50px;
  background: rgba(255,255,255,.8);
  text-align: center;
}
.rc-box::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50px;
  box-shadow: 0px 0px 24px 7px rgba(0,0,0,0.08);
  mix-blend-mode: multiply;
}

.experiment.hs .rc-box { padding: 30px 0 20px; }
.experiment.hs .rc-box img {
  width: 840px;
  height: auto;
  object-fit: cover;
}

.hs-comparison {
  text-align: center;
  margin: 40px auto 0;
  padding: 0 40px;
}
.hs-comparison img {
  width: 100%;
  height: auto;
  object-fit: cover;
}
.hs-comparison p {
  font-size: 16px;
  font-size: 1.6rem;
  letter-spacing: .15em;
  margin: 30px auto 0;
}

.experiment.tg .rc-box { padding: 55px 110px; }
.experiment.tg .rc-box ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 70px;
}
.experiment.tg .rc-box ul li img {
  width: 100%;
  height: auto;
}

@media screen and (min-width:781px) and (max-width:1200px) {
  .experiment h3 { font-size: calc(36 / 1200 * 100vw); }
  .experiment p { font-size: calc(18 / 1200 * 100vw); }
  .experiment.hs { margin: 0 0 calc(160 / 1200 * 100vw); }
  .experiment.hs .rc-box img { width: calc(840 / 1200 * 100vw); }
  .experiment.tg .rc-box { padding: calc(55 / 1200 * 100vw) calc(110 / 1200 * 100vw); }
}

/*
  Section04
======================================================== */
.sec04 { padding: 120px 0 220px; }

.sec04 .explanation:first-of-type { margin: 0 0 230px; }
.sec04 .explanation:first-of-type > dl { width: calc(440 / 1200 * 100%); }
.sec04 .explanation:first-of-type > figure {
  width: calc(710 / 1200 * 100%);
  margin: 120px 0 0;
}

.sec04 .explanation:last-of-type { margin: 0 0 100px; }
.sec04 .explanation:last-of-type > dl { width: calc(470 / 1200 * 100%); }
.sec04 .explanation:last-of-type > div { width: calc(600 / 1200 * 100%); }
.sec04 .explanation:last-of-type > div figure {
  width: 100%;
  border: solid 1px #d9d9d9;
  display: grid;
  place-content: center;
  padding: 30px 0;
}
.sec04 .explanation:last-of-type > div figure img {
  width: 400px;
  height: auto;
}
.sec04 .explanation:last-of-type > div figure + span {
  font-size: 14px;
  font-size: 1.4rem;
  letter-spacing: .15em;
  line-height: calc(24 / 14);
  display: block;
  margin: .5em 0 0;
}

.sec04 .default-btn.grad { margin: auto; }

@media screen and (min-width:781px) and (max-width:1200px) {
  .sec04 { padding: calc(120 / 1200 * 100vw) 0 calc(220 / 1200 * 100vw); }
  .sec04 .explanation:first-of-type { margin: 0 0 calc(230 / 1200 * 100vw); }
  .sec04 .explanation:last-of-type { margin: 0 0 calc(100 / 1200 * 100vw); }
}

/*
  Section05
======================================================== */
.sec05 { padding: 0 0 160px; }

.sec05 .explanation:first-of-type { margin: 150px 0 0; }
.sec05 .explanation:last-of-type { margin: 220px 0 0; }

.sec05 .explanation > dl { width: calc(600 / 1200 * 100%); }
.sec05 .explanation:first-of-type > dl { padding: 0 140px 0 0; }
.sec05 .explanation:last-of-type > dl { padding: 0 0 0 120px; }

.sec05 .explanation > figure { width: calc(600 / 1200 * 100%); }

@media screen and (min-width:781px) and (max-width:1200px) {
  .sec05 { padding: 0 0 calc(160 / 1200 * 100vw); }
  .sec05 .explanation:first-of-type { margin: calc(150 / 1200 * 100vw) 0 0; }
  .sec05 .explanation:last-of-type { margin: calc(220 / 1200 * 100vw) 0 0; }
  .sec05 .explanation:first-of-type > dl { padding: 0 calc(100 / 1200 * 100vw) 0 0; }
  .sec05 .explanation:last-of-type > dl { padding: 0 0 0 calc(90 / 1200 * 100vw); }
}