@charset "UTF-8";
/*---------------------------------------
:root
・font-size：16px以下はrem表記。
---------------------------------------*/

:root {
  --main-color: #1a1a1a;
  --accent-color: #4f46e5;
  --hover-color: rgba(79, 70, 229, 0.8);
  --btn-hover-color: rgba(255, 255, 255, 0.9);
  --sub-color: #4a4a4a;
  --border-color: #d9d9d9;
  --white-color: #ffffff;
  --bg-color: #f5f5f5;
  --box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
  --img-box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
  --en-font-size: 0.875rem;
  --title-font-size: clamp(28px, 4vw, 52px);
  --text-font-size: 1rem;
  --small-text-font-size: 0.9375rem;
  --en-margin-bottom: 10px;
  --title-margin-bottom: 20px;
  --headding-margin-bottom: 40px;
  --section-margin-top: 140px;
  --font-weight-bold: 700;
  --font-weight-semibold: 600;
  --text-line-height: 1.75;
  --card-line-height: 1.8;
  --border-radius-1: 24px;
  --border-radius-2: 32px;
  --site-title-font-family: "Yeseva One", serif;
  --en-font-family: "Noto Serif", serif;
  --body-font-family: "Noto Sans JP", sans-serif;
}

/*---------------------------------------
共通
---------------------------------------*/

html {
  font-size: 100%;
  scroll-behavior: smooth; /*ゆっくりスクロール*/
}

section {
  scroll-margin-top: 120px;
}

body {
  background-color: var(--bg-color);
  margin: 0;
  padding: 0;
  font-family: var(--body-font-family);
}

* {
  box-sizing: border-box;
}

.wrapper {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 40px;
}

/*---------------------------------------
header
---------------------------------------*/

#header {
  width: 100%;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(245, 245, 245, 0.7);
  backdrop-filter: blur(10px); /*ぼかし*/
  z-index: 10;
}

#header .header-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#header .site-title a {
  font-size: 30px;
  color: var(--main-color);
  text-decoration: none;
  font-family: var(--site-title-font-family);
}

#header .nav-list {
  display: flex;
  align-items: center;
  gap: 20px;
}

#header .nav-list li {
  list-style: none;
}

#header .nav-list li a {
  position: relative; /*::afterを置くため。*/
  font-size: var(--small-text-font-size);
  font-family: var(--en-font-family);
  color: var(--sub-color);
  text-decoration: none;
  transition: 0.3s ease;
}

#header .nav-list li a:hover {
  color: var(--hover-color);
}

#header .nav-list li a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

#header .nav-list li a:hover::after {
  width: 100%;
}

/*Instagramのiconだけ::afterを無効化*/
#header .nav-list li a.icon::after,
#header .nav-list li a.icon:hover::after {
  display: none;
}

/*---------------------------------------
main
---------------------------------------*/

#main {
  min-height: 100vh;
  padding-top: 180px;
}

#main .main-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#main .main-heading {
  width: 52%;
}

#main .main-en {
  font-size: var(--en-font-size);
  font-family: var(--en-font-family);
  color: var(--accent-color);
  margin-bottom: var(--en-margin-bottom);
}

#main .main-title {
  font-size: clamp(40px, 4vw, 80px);
  color: var(--main-color);
  line-height: 1.07;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--title-margin-bottom);
}

#main .main-desc {
  font-size: var(--text-font-size);
  color: var(--sub-color);
  line-height: var(--text-line-height);
}

#main .main-img {
  width: 47%;
}

#main .main-img img {
  width: 100%;
  min-height: 150px;
  box-shadow: var(--img-box-shadowbox-shadow);
  border-radius: var(--border-radius-2);
}

#main .main-btn {
  display: inline-block;
  min-width: 168px;
  height: 57px;
  margin-top: 30px;
  padding: 14px 28px;
  background-color: var(--accent-color);
  color: var(--white-color);
  text-decoration: none;
  font-size: var(--text-font-size);
  border-radius: 999px;
  transition: 0.3s ease;
  box-shadow: 0 20px 60px rgba(79, 70, 229, 0.25);
}

#main .main-btn:hover {
  background-color: var(--btn-hover-color);
  color: var(--main-color);
  border: 2px solid var(--accent-color);
}

/*---------------------------------------
about
---------------------------------------*/

#about .about-heading {
  margin-bottom: var(--headding-margin-bottom);
}

#about .about-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#about .about-en {
  font-size: var(--en-font-size);
  color: var(--accent-color);
  margin-bottom: var(--en-margin-bottom);
  font-family: var(--en-font-family);
}

#about .about-title {
  font-size: var(--title-font-size);
  color: var(--main-color);
  font-weight: var(--font-weight-semibold);
}

#about .about-img {
  width: 43%;
}

#about .about-img img {
  width: 100%;
  height: auto;
  box-shadow: var(--img-box-shadowbox-shadow);
  border-radius: var(--border-radius-1);
}

#about .about-text {
  width: 50%;
}

#about .about-text span {
  display: block;
  margin-bottom: 10px;
  font-size: 20px;
}

#about .about-sub-title {
  font-family: var(--site-title-font-family);
  font-size: clamp(23px, 3vw, 32px);
  color: var(--main-color);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--title-margin-bottom);
}

#about .about-desc {
  font-size: var(--text-font-size);
  color: var(--sub-color);
  line-height: var(--text-line-height);
}

/*---------------------------------------
works
---------------------------------------*/

#works {
  margin-top: var(--section-margin-top);
}

#works .works-heading {
  margin-bottom: var(--headding-margin-bottom);
  text-align: center;
}

#works .works-en {
  font-size: var(--en-font-size);
  font-family: var(--en-font-family);
  color: var(--accent-color);
  margin-bottom: var(--en-margin-bottom);
}

#works .works-title {
  font-size: var(--title-font-size);
  color: var(--main-color);
  font-weight: var(--font-weight-semibold);
}

#works .works-container {
  display: flex;
  flex-wrap: wrap;
  max-width: 1120px;
  margin: 0 auto;
  gap: 20px;
}

#works .works-item {
  width: calc((100% - 40px) / 3);
  min-height: 442px;
  overflow: hidden;
  background-color: var(--white-color);
  border-radius: var(--border-radius-1);
  border: 1px solid var(--border-color);
  box-shadow: var(--box-shadow);
  transition: 0.3s ease;
}

#works .works-item:hover {
  transform: translateY(-5px);
}

#works .works-item img {
  width: 100%;
  min-height: 250px;
  transition: 1s ease;
}

#works .works-item img:hover {
  transform: scale(1.05);
}

#works .works-body {
  padding: 12px 18px;
}

#works .works-sub-en {
  font-size: 0.8125rem;
  font-family: var(--en-font-family);
  color: var(--accent-color);
  margin-bottom: 10px;
}

#works .works-sub-title {
  font-size: 19px;
  color: var(--main-color);
  font-weight: var(--font-weight-bold);
  margin-bottom: 10px;
}

#works .works-desc {
  font-size: var(--small-text-font-size);
  color: var(--sub-color);
  line-height: var(--card-line-height);
}

/*---------------------------------------
service
---------------------------------------*/

#service {
  margin-top: var(--section-margin-top);
}

#service .service-heading {
  margin-bottom: var(--headding-margin-bottom);
  text-align: center;
}

#service .service-en {
  font-size: var(--en-font-size);
  font-family: var(--en-font-family);
  color: var(--accent-color);
  margin-bottom: var(--en-margin-bottom);
}

#service .service-title {
  font-size: var(--title-font-size);
  color: var(--main-color);
  font-weight: var(--font-weight-semibold);
}

#service .service-container {
  display: flex;
  flex-wrap: wrap;
  max-width: 1120px;
  margin: 0 auto;
  gap: 20px;
}

#service .service-item {
  width: calc((100% - 40px) / 3);
  min-height: 197px;
  padding: 32px 24px;
  background-color: var(--white-color);
  border-radius: var(--border-radius-1);
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 20px var(--box-shadow);
}

#service .service-sub-title {
  font-size: 19px;
  color: var(--main-color);
  font-weight: var(--font-weight-bold);
  margin-bottom: 10px;
}

#service .service-desc {
  font-size: var(--small-text-font-size);
  color: var(--sub-color);
  line-height: var(--card-line-height);
}

/*---------------------------------------
contact
---------------------------------------*/

#contact {
  margin-top: var(--section-margin-top);
}

#contact .contact-container {
  max-width: 1120px;
  margin: 0 auto;
  min-height: 373px;
  padding: 56px 32px;
  border-radius: var(--border-radius-1);
  border: 1px solid var(--border-color);
  box-shadow: var(--box-shadow);
  background-color: #f2f1fc;
  backdrop-filter: blur(10px);
}

#contact .contact-heading {
  text-align: center;
}
#contact .contact-en {
  font-size: var(--en-font-size);
  font-family: var(--en-font-family);
  color: var(--accent-color);
  margin-bottom: var(--en-margin-bottom);
}

#contact .contact-title {
  font-size: var(--title-font-size);
  color: var(--main-color);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--title-margin-bottom);
}

#contact .contact-desc {
  font-size: var(--text-font-size);
  color: var(--sub-color);
  line-height: var(--text-line-height);
}

#contact .contact-btn {
  display: inline-block;
  min-width: 216px;
  height: 57px;
  margin-top: 30px;
  padding: 14px 28px;
  background-color: var(--accent-color);
  border-radius: 999px;
  transition: 0.3s ease;
  color: var(--white-color);
  text-decoration: none;
  font-size: var(--text-font-size);
  box-shadow: 0 20px 60px rgba(79, 70, 229, 0.25);
}

#contact .contact-btn:hover {
  background-color: var(--btn-hover-color);
  border: 2px solid var(--accent-color);
  color: var(--main-color);
}

/*---------------------------------------
footer
---------------------------------------*/

#footer {
  margin-top: 80px;
  padding: 20px 0;
  border-top: 1px solid var(--border-color);
}

#footer .footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#footer .footer-title a {
  font-family: var(--site-title-font-family);
  font-size: 22px;
  color: var(--main-color);
  text-decoration: none;
}

#footer .copyright {
  font-family: var(--en-font-family);
  font-size: var(--en-font-size);
  color: var(--light-color);
}

/*---------------------------------------
media query 768default
---------------------------------------*/

@media screen and (max-width: 768px) {
  section {
    scroll-margin-top: 140px;
  }

  .wrapper {
    max-width: 728px;
    padding: 0 20px;
  }

  /*header*/
  #header .header-inner {
    flex-direction: column;
  }

  #header .site-title {
    margin-bottom: 30px;
  }

  /*main*/

  #main {
    min-height: 100svh;
  }

  #main .main-container {
    display: flex;
    flex-direction: column-reverse;
    padding-bottom: 60px;
  }

  #main .main-img {
    width: 100%;
  }

  #main .main-img img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    object-position: top;
  }

  #main .main-heading {
    width: 100%;
    margin-top: 20px;
  }

  /*about*/

  #about {
    margin-top: 80px;
  }
  #about .about-container {
    flex-direction: column;
  }

  #about .about-img {
    width: 100%;
  }

  #about .about-img img {
    width: 100%;
    height: 455px;
    object-fit: cover;
    object-position: center;
  }

  #about .about-text {
    width: 100%;
    margin-top: 20px;
  }

  /*works*/
  #works .works-container {
    flex-direction: column;
  }

  #works .works-item {
    width: 100%;
  }

  /*service*/
  #service .service-container {
    flex-direction: column;
  }

  #service .service-item {
    width: 100%;
    min-height: 143px;
  }

  /*footer*/
  #footer .footer-inner {
    flex-direction: column;
  }

  #footer .footer-title {
    margin-bottom: 30px;
  }
}

/*---------------------------------------
media query 430default
---------------------------------------*/

@media screen and (max-width: 430px) {
  #main .main-btn {
    width: 388px;
  }

  #main .main-btn {
    text-align: center;
  }

  #contact .contact-btn {
    width: 323px;
  }
}