/* -------------------

共通

---------------------*/
html {
  font-size: 100%;
}

body {
  margin: 0;
  font-family: "游ゴシック体", "YuGothic", "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック", "Yu Gothic", "メイリオ", sans-serif;
  letter-spacing: 0.1em;
  color: #573131;
  background-color: #e2d1d1;
  overflow-x: hidden;
}

a{
  text-decoration: none;
  color: inherit;
  transition: all .4s;
  color: #a83200;
}
a:hover {
  opacity: 0.3;

}

h1,h4{
   margin:  8px 16px 0;
}
h2,h3,p,a,ul,li {
  margin: 0;
  padding: 0;
}

h3 {
  color: #333;
  margin-bottom: 8px;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  vertical-align: bottom;
}


/* å¹… */

.wrapper {
  max-width: 850px;
  margin: 0 auto;
}

/* セクションタイトル */

.section-title {
  font-size: 1.75rem;
  text-align: center;
  position: relative;
  background:#573131;
  color:#e2d1d1;
  width: 90%;
  margin: 0 auto;
}

.section-title::after {
  position: absolute;
  content: '';
  left: -2px;
  top: -2px;
  border: none;
  border-left: solid 40px #e2d1d1;
  border-bottom: solid 79px transparent;
  z-index:-2;
}
.about::after {
  border-left: solid 40px #a77777;
}

/* -------------------

header

---------------------*/
header {
  padding: 0 8px;
} 

/* -------------------

nav button

---------------------*/

.navbutton {
  position: fixed;
  top: 0;
  right: 0;
  background: #a77777;
  width: 75px;
  height: 75px;
  cursor: pointer;
  z-index: 999;
  transition: all .3s;
  border-radius: 50%;
}

.navbutton:hover {
  opacity: 0.7;
}

/* メニューが閉じているとき */

.navbutton span {
  position: absolute;
  left: 21px;
  width: 35px;
  height: 2px;
  background: #e2d1d1;
  transition: all .4s ;
}

.navbutton span:nth-child(1) {
  top: 26px;
}
.navbutton span:nth-child(2) {
  top: 37px;
}
.navbutton span:nth-child(3) {
  top: 48px;
}

/* メニューが開いているとき */

.navbutton.active span:nth-child(1) {
  top: 37px;
  transform: rotate(-45deg);
}
.navbutton.active span:nth-child(2) ,
.navbutton.active span:nth-child(3) {
  top: 37px;
  transform: rotate(45deg);
}

/* -------------------

nav

------------------- */

.menu {
  width: 100%;
  z-index: 998;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: black;
  text-align: center;
  padding: 120px 0 40px 0;
  opacity: 0;
  pointer-events: none;
  transition: all .5s;
}

.menu.active {
  opacity: .9;
  pointer-events: auto;
}

.menu a,
.menu .menubutton {
  display: inline-block;
  margin-bottom: 20px;
  font-size: 16px;
  color: #e2d1d1;
  font-weight: bold;
}

.menubutton {
  margin-top: 20px;
  border: 1px #e2d1d1 solid;
  padding: 15px 0;
  position: relative;
  width: 248px;
  transition: all .3s;
}

.menubutton::after {
  content: " ";
  border-right: solid 1px #e2d1d1;
  border-bottom: solid 1px #e2d1d1;
  position: absolute;
  right: -6px;
  bottom: -6.5px;
  width: 250px;
  height: 56px;
}

.menubutton:hover {
  background: #e2d1d1;
  color: #e2d1d1;
}

/* -------------------

main visual

---------------------*/


.imgcloud {
  margin-top: 36px;
  position: relative;
  height: 300px;
  overflow: hidden;
}

.main-img{
  position: absolute;
  opacity: 0;
  transition: opacity 2s;
}

#mainvisual .imgcloud::after {
  position: absolute;
  content: '';
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  box-shadow: inset 0 0 15px 15px #e2d1d1;
}

.main-img.appear {
  opacity: 1;
}

.main-text .title {
  font-size: 1.75rem;
  margin: 0 0 10px 16px;
}



/* -------------------

main

---------------------*/

main {
  margin-top: 86px;
}

.main-img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}

/* -------------------

keireki

------------------- */

#keireki {
  margin-top: 40px;
  padding: 24px;
}

/* #keireki h2 {
  margin-bottom: 60px;
} */

#keireki .container,
#denkaru .container,
.section-title {
  opacity: 0;
  transform: translateY(30px);
  transition: all .5s;
  transition-delay: .2s;
  margin-bottom: 40px;
}

#denkaru .container {
  transition-delay: 0;
  transition: all .2s;
}

#keireki .container.scrolled,
#denkaru .container.scrolled,
.section-title.scrolled {
  opacity: 1;
  transform: translate(0);
}

.student {
  text-align: center;
  margin-bottom: 40px;
}

.student p {
  font-size: 12px;
  margin-top: 10px;
  line-height: 19px;
}

#keireki img {
  background: rgb(212, 211, 211);
  border-radius: 50%;
  height: 120px;
  width: auto;
}

/* --------------------

work

-------------------- */

#work {
  position: relative;
  margin-top: 32px;
}

#work .container {
  background: #bea3a3a8;
  border-top: 8px solid #a77777;
  border-bottom: 8px solid #a77777;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 5%;
}

#work .container {
  margin-top: 40px;
}

#work .container.left {
  transform: translateX(-90%);
  opacity: 0;
  transition: all .5s;
  transition-delay: .2s;
  margin-right: 16px;
}

#work .container.scrolled.left{
  opacity: 1;
  transform: translateX(0);
}

#work .container.right {
  transform: translateX(90%);
  opacity: 0;
  transition: all .5s;
  transition-delay: .2s;
  margin-left: 16px;
}

#work .container.scrolled.right {
  transform: translateX(0);
  opacity: 1;
}

/* ---------------------

summary

--------------------- */

#summary {
  background-color: #a77777;
  padding: 40px 16px;
  margin: 80px 0;
}

#summary .container {
  border-radius: 18px;
  background: #fff;
  padding: 32px;
  margin-top: 32px;
}

#summary .container {
  transform: translateX(5%)  translateY(20%);
  opacity: 0;
  transition: all .5s;
  transition-delay: .2s;
}
#summary .container:nth-child(odd) {
  opacity: 0;
  transform: translateX(-5%)  translateY(20%);
}

#summary .container.scrolled {
  opacity: 1;
  margin: 32px 16px;
  transform: translateX(0) translateY(0);
}

#summary h4 {
  margin: 0;
  text-align: center;
}

#summary h4 {
  font-size: 16px;
  margin-bottom: 28px;
}

#summary p {
  font-size: 16px;
}



/* -------------------

footer

------------------- */

footer {
  margin-top: 80px;
  padding: 48px 16px 16px 16px;
  background: #e8e8e8;
  font-size: 0.75rem;
}

.footer-menu{
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.footer-menu > li {
  width: 50%;
  letter-spacing: 0.15em;
}

.footer-menu > li:nth-child(1),
.footer-menu > li:nth-child(2) {
  margin-bottom: 30px;
}

.footer-menu .item {
  padding: 10px 0 0 10px;
}

.footer-menu .item li {
  line-height: 2.3em;
}

.footer-menu a {
  transition: .3s;
}

.footer-menu a:hover {
  opacity: 0.7;
}

footer .copy {
  text-align: center;
}


/* --------------------

denkaru page

-------------------- */

#denkaru {
  padding: 0 32px;
}
#denkaru .container {
  margin: 0 auto;
}
#denkaru p {
  margin: 16px 0 32px;
}


/* ------------------------

contact page

------------------------ */

.contact {
  text-align: center; 
  margin: 32px 0;
}


form {
  max-width: 500px;
  margin: 0 auto;
}

label {
  display: block;
  margin-top: 20px;
  font-weight: bold;
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid #ccc;
  box-sizing: border-box;
  margin-top: 5px;
}

textarea {
  height: 180px; /* テキストエリアを大きめに */
  resize: vertical;
}

input[type="submit"] {
  margin-top: 20px;
  padding: 12px 20px;
  background-color: #d8a7a7; /* くすみピンク */
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: all .3s;
}

input[type="submit"]:hover {
  background-color: #c89494;
  opacity: 0.5;
}



/* -------------------------------

pc or tablet

------------------------------- */

@media (min-width: 900px) {

  body {
    font-size: 1.15em;
  }


  #mainvisual .title {
    font-size: 2.875rem;
    font-weight: bold;
  }

  .imgcloud {
    position: relative;
    height: 400px;
  }

  .mainbutton {
    margin-top: 28px;
    width: 360px;
  }

  .section-title {
    font-size: 2.25rem;
  }

  .section-title::after {
    width: 100px;
  }

  .navbutton {
    width: 100px;
    height: 100px;
  }

  .navbutton span {
    left: 25px;
    width: 50px;
    height: 2px;
    background: #fff;
    transition: all .4s ease;
  }

  .navbutton span:nth-child(1) {
    top: 36px;
  }
  .navbutton span:nth-child(2) {
    top: 50px;
  }
  .navbutton span:nth-child(3) {
    top: 64px;
  }
  
  .navbutton.active span:nth-child(1) {
    top: 47px;
    transform:rotate(-45deg);
  }
  .navbutton.active span:nth-child(2) ,
  .navbutton.active span:nth-child(3) {
    top: 47px;
  }

  #work .container {
    font-size: 1.15em;
  }

  #work .container.scrolled.right {
    transform: translateX(0);
  } 

  #keireki h2,
  #work h2,
  #summary h2 {
    margin-bottom: 32px;
  }
  
  #keireki .container {
    margin-bottom: 32px;
    padding: 0;
  }

  .student {
    margin-bottom: 0;
  }

  #summary {
    padding: 40px 16px;
  }
  #summary .summary-menu {
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: center;
    gap: 32px;
  }

  #summary .container {
    padding: 60px;
  }
  #summary .container.scrolled {
    margin: 8px;
  }

  footer {
    font-size: 0.75em;
  }

  .footer-menu > li {
    width: 25%;
  }

  /* ---------
  denkaru page
  --------- */
  #denkaru {
    padding: 0 100px;
  }

  #denkaru p {
    margin: 16px 0 48px;
  }
}