/* common */

body {
  margin: 0;
  font-family: 'Euclid Circular A', Roboto, Arial, Helvetica, sans-serif;
}

h1 {
  margin: 0;
  line-height: 1em;
}

p {
  font-family: Roboto, Arial, Helvetica, sans-serif;
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.05em;
}

a {
  text-decoration: none;
  color: inherit;
}


/* header */
header {
  position: fixed;
  z-index: 3;
  height: 65px;
  width: 100%;
  /* fixed のときの中央揃え */
  inset: 0;
  margin: 0 auto;
  background-color: white;
}

header > .container {
  display: flex;  
  justify-content: space-between;
  height: 65px;
}

header .logo span{
  vertical-align: middle;
}

header.top {
  animation: header_color_change .8s forwards;
}
header.top_reload {
  animation: header_color_change .5s forwards;
}

#fullOverlay{
  animation: fullOverlay 1.5s forwards;
}

@keyframes fullOverlay {
  0%{
    z-index: 100;
    position: absolute;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background: rgba(255, 255, 255);
  }
  100%{
    display: none;
  }
}

@keyframes header_color_change {
	0%{
		background-color: white;
	}
	100%{
		background-color: transparent;
	}
}

header.down {
  transform: translateY(-200px);
  transition: transform .5s;
}

header.up {
  transform: translateY(0);
  transition: transform .5s;
  will-change: transform;
}

.logo img {
  height: 25px;
  vertical-align: middle;
}

.logo {
  display: flex;
  margin: auto 0;
}

.logo p {
  font-size: 22px;
}

header input,
header button {
  all: unset;
}

header input {
  border-bottom: 1px solid #aaa;
}


nav.menu {
  display: flex;
  margin: auto 0;
}

nav.menu i {
  font-size: 20px;
  padding: 8px;
  cursor: pointer;
}

.pc-menu {
  display: none;
}

.search_box {
  position: fixed;
  top: 0;
  z-index: 50;
  height: 65px;
  width: 100%;
  background-color: white;
  opacity: 0;
  display: none;
}

.search_box i {
  display: block;
  font-size: 20px;
  padding: 16px;
  /* fixed のときの中央揃え */
  inset: 0;
  margin: auto 0;
}

.search_box input {
  display: block;
  all: unset;
  margin: 20px;
  width: 80%;
  border-bottom: 1px solid #aaa;
}

.search_box.show {
  display: flex;
  justify-content: space-between;
  pointer-events: auto;
  animation: Transparent .5s forwards;
}

@keyframes Transparent {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.overlay {
  position: fixed;
  z-index: 5;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  background: white;
  padding: 24px;
  /*opacity: 0;*/
  /*pointer-events: none;*/
  transform: translateX(150vw);
  transition: transform .5s;
}

.overlay.show {
  /*opacity: 1;*/
  /*pointer-events: auto;*/
  transform: none;
  transition: transform .5s;
  will-change: transform;
}

.overlay .bi-x:hover {
  opacity: .5;
}

.second_fullOverlay {
  position: fixed;
  z-index: 500;
  top: 65px;
  bottom: 0;
  right: 0;
  left: 0;
  background: rgba(0, 0, 0, .3);
  display: none;
}

.second_fullOverlay.show {
  display: block;
}

.scroll-prevent {
  overflow: hidden;
}

.overlay .button_second_type {
  padding: 10px;
  margin: 0;
  font-size: 26px;
}

.overlay .button_second_type.mini{
  font-size: 16px;
}

.overlay ul {
  padding: 50px 0;
}

.overlay li {
  list-style: none;
}

.overlay .language {
  padding: 20px;
}

.overlay #close {
  position: absolute;
  top: 16px;
  right: 28px;
  font-size: 32px;
  cursor: pointer;
}

/* main */
h1.title {
  font-size: 56px;
  padding-bottom: 30px;
}

h1.second_title {
  font-size: 48px;
  padding-top: 30px;
  padding-bottom: 30px;
}

.container {
  width: 90%;
  margin: 0 auto;
}

a.button {
  display: inline-block;
  color: white;
  font-size: 12px;
  padding: 16px 28px;
  background-color: rgb(8,48,65);
  border-radius: 26px; 
  margin-top: 32px;
  margin-bottom: 32px;
}

a.button:hover {
  color: #3DDC84;
  transition: color .8s;
}

a.button_second_type {
  display: inline-block;
  font-size: 20px;
  font-weight: bold;
  color: rgb(8,48,65);
  padding: 16px 0;
  margin-top: 32px;
  margin-bottom: 32px;
}

.button_second_type i {
  padding-left: 8px;
}

/* i tag → ブロックじゃないと，移動できない */
i {
  display: inline-block;
}

i.right_up {
  animation: .6s RightUp forwards;
}

i.right_down {
  animation: .6s RightDown forwards;
}

@keyframes RightUp {
  0% {
    transform: translate(0px, 0px);
  }
  100% {
    transform: translate(5px, -5px);
  }
}
@keyframes RightDown {
  0% {
    transform: translate(5px, -5px);
  }
  100% {
    transform: translate(0px, 0px);
  }
}

i.right {
  animation: .6s Right forwards;
}

i.left {
  animation: .6s Left forwards;
}

@keyframes Right {
  0% {
    transform: translateX(0px);
  }
  100% {
    transform: translateX(10px);
  }
}
@keyframes Left {
  0% {
    transform: translateX(10px);
  }
  100% {
    transform: translateX(0px);
  }
}

/* hero */
.hero {
  padding: 100px 0 50px 0;
  background-color: rgb(65,133,244);
  position: relative;
  overflow: hidden;
}

.hero .information_for_this_website {
  color: rgb(136, 20, 20);
  font-weight: bold;
}



div.circle {
  z-index: 2;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgb(60,220,132);
  position: absolute;
  right: -60px;
  bottom: -60px;
  /* box-sizing: border-box; */
}

div.pic {
  display: flex;
  gap: 24px;
  justify-content: space-between;
  width: 85%;
  margin: 0 auto;
}

.pic img {
  z-index: 2;
  width: calc((100% - 64px) / 3 );
  gap: 24px;

}

img.first {
  padding-top: 100px;
  transform: translateY(200px);
}
img.second {
  padding-top: 50px;
  padding-bottom: 50px;
  transform: translateY(250px);
}
img.third {
  padding-bottom: 100px;
  transform: translateY(300px);
}

img.slide_in {
  transform: translateY(0);
  transition: transform 1.5s;
  transition-delay: .5s;
}


/* content */
.content {
  padding: 100px 0;
}

.content img {
  width: 100%;
}

/* intro */
.intro {
  position: relative;
}

.intro .drawing {
  border: #3DDC84 solid 12px;
  width: 1000px;
  height: 200px;
  border-top-right-radius: 200px;
  border-bottom-right-radius: 200px;
  position: absolute;
  bottom: 150px;
  right: 150px;
  z-index: -1;
}

/* os */
.os {
  position: relative;
}

.os .drawing {
  background-color: rgb(215,239,254);
  width: 1000px;
  height: 200px;
  border-top-right-radius: 200px;
  border-bottom-right-radius: 200px;
  position: absolute;
  bottom: 150px;
  right: 150px;
  z-index: -1;
}

/* aquos */
.aquos .aquos_for_large {
  display: none;
}

/* devices */
.devices {
  position: relative;
  overflow: hidden;
}

.devices .drawing {
  border: rgb(215,239,254) solid 12px;
  width: 1000px;
  height: 350px;
  border-top-right-radius: 200px;
  border-bottom-right-radius: 200px;
  position: absolute;
  top: 80px;
  right: 80px;
  z-index: -1;
}

.devices img {
  width: 200%;
  max-width: 2000px;
  padding-bottom: 30px;
}

.devices .pc_devices {
  display: none;
}

/* information */
.information {
  position: relative;
}

.information p {
  padding-bottom: 50px;
}

.information .drawing {
  background-color: rgb(239,247,207);
  width: 1000px;
  /* width: 100%; */
  height: 400px;
  border-top-right-radius: 200px;
  border-bottom-right-radius: 200px;
  position: absolute;
  top: 100px;
  right: 200px;
  z-index: -1;
}

.information .articles {
  display: flex;
  overflow: scroll;
  gap: 20px;
  padding: 3% 5% 10% 5%;
}

.information .article {
  background: white;
  padding: 16px;
  min-width: 260px;
  height: 300px;
  box-shadow: 0 0 16px 5px rgba(0, 0, 0, 0.1);
}

.information .article:hover {
  background: rgb(60,220,132);
  transition: background .8s;
}

h2.article_title {
  margin-top: 5px;
  font-size: 32px;
  font-weight: bold;
  height: 160px;
  padding: 0 0 5px 0;
}

.article > .button_second_type {
  margin: 0;
}

/* details */
dl {
  margin: 0;
}

.details dl+dl {
  padding-top: 12px;
}

dl > div {
  margin-bottom: 12px;
}


dt {
  padding: 8px;
  cursor: pointer;
  user-select: none;
  position: relative;
  border-bottom: 1px solid rgb(198,198,198);
  font-size: 14px;
  font-weight: bolder;
}

dt::after {
  content: '+';
  position: absolute;
  top: 8px;
  right: 16px;
  transition: transform .6s;
}

dl > div.appear dt::after{
  transform: rotate(-225deg);
}

.dd {
  padding-top: 12px;
}

dd {
  padding: 8px;
  margin: 0;
  cursor: pointer;
  display: none;
}

dd:hover {
  opacity: .5;
  transition: opacity .3s;
}

dd i {
  font-size: 12px;
  padding: 8px;
}

dl > div.appear dd{
  display: block;
  animation: .6s fadeIn;
}

@keyframes fadeIn {
  0% {
    opacity: 0;
    transform: translateY(-10px);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

/* footer */
.icons {
  padding: 8px 0;
}

.icons i {
  font-size: 22px;
  color: rgb(8,48,65);
}

.icons i:hover {
  opacity: 60%;
}

.icons a + a {
  padding-left: 28px;
}

.settings {
  padding: 8px 0;
  display: flex;
}

.settings .privacy p {
  font-size: 14px;
  padding: 8px 0;
}

.settings .privacy:hover {
  opacity: .6;
  transition: opacity .3s;
}

.language {
  padding: 8px 0 8px 50px;
  cursor: pointer;
}

.language:hover {
  opacity: .6;
  transition: opacity .3s;
}

select {
  border: none;
  outline: none;
  padding-right:40px;
}

.text {
  padding-bottom: 50px;
}

.text p {
  font-size: 12px;
  line-height: 1.8em;
}

@media (min-width: 600px) {
  /*common*/
  .container {
    width: 60%;
  }

  header>.container,
  .hero>.container {
    width: 80%;
  }

  .information>.container {
    width: 80%;
  }
  .details,
  footer.container{
    width: 85% !important;
  }

  /*hero*/
  .hero .pic {
    max-width: 600px;
  }

  .hero .pic img {
    max-width: 160px;
  }

  .devices .sp_devices {
    display: none;
  }
  .devices .pc_devices {
    display: block;
  }

  .for_column {
    display: flex;
  }
  .for_column>.content {
    padding: 0;
    width: 50%;
  }
  .for_column .container {
    width: 90%;
  }
  .for_column p {
    height: 120px;
  }
}



@media (min-width: 1000px) {
  /*header*/
  .pc-menu {
    display: block;
    margin-left: auto;
  }

  .pc-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
  }

  .pc-menu a {
    display: block;
    padding: 0 12px;
    line-height: 65px;
    font-size: 15px;
    text-align: center;
  }

  .pc-menu a:hover {
    opacity: 0.5;
  }

  .sp-menu {
    display: none;
  }

  .overlay {
    display: none;
  }

  .search_box {
    width: 60%;
    padding-left: 10%;
    right: 0;
    justify-content: left!important;
  }
  .search_box input {
    width: 70%;
  }
  header.white {
    background-color: white!important;
  }

  /*common*/
  .for_large {
    display: flex;
    justify-content: space-between;
  }
  .for_large.reverse {
    flex-direction: row-reverse;
  }
  .for_large_content {
    margin: auto 0;
  }
  .pic_for_large {
    min-width: 60%;
  }
  .des_for_large {
    padding: 50px;
  }

  .des_only {
    max-width: 50%;
    padding: 50px 10px 100px 10px;
  }

  h1.title {
    font-size: 5vw;
  }

  h1.second_title {
    font-size: 4vw;
  }

  div.circle {
    width: 800px;
    height: 800px;
    right: -260px;
    bottom: -260px;
  }

  .intro .drawing {
    border: #3DDC84 solid 20px;
    height: 300px;
    right: 50%;
  }

  .os .drawing {
    height: 300px;
    right: 50%;
  }

  .devices .drawing {
    border: rgb(215,239,254) solid 20px;
    height: 500px;
    border-top-right-radius: 500px;
    border-bottom-right-radius: 500px;
    right: 55%;
  }

  .information .drawing {
    top: 80px;
    height: 800px;
    border-top-right-radius: 800px;
    border-bottom-right-radius: 800px;
    left: -300px;
  }

/*  hero*/
  .hero>.container {
    width: 85%;
  }

  .hero .pic img {
    max-width: none;
  }

  .hero .pic  {
    min-width: 50%;
    padding-left: 20px;
  }

  img.first {
    padding-top: 40%;
  }
  img.second {
    padding-top: 20%;
    padding-bottom: 20%;
  }
  img.third {
    padding-bottom: 40%;
  }

  /*intro, os*/
  .intro>.container,
  .os>.container {
    width: 80%;
  }

  .intro img,
  .os img {
    max-width: 75%;
  }

  /*aquos*/
  .aquos>.container {
    width: 90%;
    margin-left: 10%;
  }

  .aquos_img {
    display: none;
  }
  .aquos .aquos_for_large {
    display: block;
  }

/*  others*/
  .for_column {
    margin: 0 auto;
    width: 80%;
  }

  .articles {
    gap: 40px!important;
    padding: 3% 10% 10% 10%!important;
  }

  .article {
    min-width: 500px!important;
    height: 450px!important;
  }
  h2.article_title {
    font-size: 56px;
    line-height: 56px;
    height: 200px;
  }
  .article>div {
    padding: 30px;
  }

/*  details*/
  .details {
    display: flex;
    gap: 20px;
  }

  .details dt {
    cursor: default;
    pointer-events: none;
  }

  .details dt::after {
    content: none;
  }

  .details dl {
    padding-top: 0!important;
    width: calc((100% - 40px) / 5);
  }

  dd {
    display: block;
  }

/*  footer*/
  .footer_column {
    display: flex;
    justify-content: space-between;
  }

}