/* --------------------------------------------------------------------------------
 * web fonts
-------------------------------------------------------------------------------- */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap");
:root {
  --color: #221815;
  --font-family-base: "Noto Sans JP", sans-serif;
  --font-family-golden: "goldenbook", serif;
}

/* ----------------------------------------------------------------------
 reset (exculding 'sup')
---------------------------------------------------------------------- */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, main {
  display: block;
}

input, textarea {
  margin: 0;
  padding: 0;
}

ol, ul {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

caption, th {
  text-align: left;
}

img {
  vertical-align: middle;
}

/* ----------------------------------------------------------------------
 basic setting
---------------------------------------------------------------------- */
body {
  font-family: var(--font-family-base);
  color: var(--color);
  line-height: 1.5;
  /*
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  */
}

body * {
  -webkit-text-size-adjust: 100%;
  box-sizing: border-box;
}

input, button, textarea, select {
  color: var(--color);
  font-family: var(--font-family-base);
  font-size: 16px;
}

textarea {
  vertical-align: top;
}

*:focus {
  outline: none;
}

img {
  max-width: 100%;
  height: auto;
}

a:hover {
  backface-visibility: hidden;
}

/* ----------------------------------------------------------------------
 common class
---------------------------------------------------------------------- */
@media only screen and (min-width: 751px) {
  .pc-non {
    display: none !important;
  }
}
@media only screen and (max-width: 750px) {
  .sp-non {
    display: none !important;
  }
}
.hover {
  transition: 0.3s;
}

@media only screen and (min-width: 751px) {
  .hover:hover {
    opacity: 0.7;
  }
}
/* ----------------------------------------------------------------------
 Layout
---------------------------------------------------------------------- */
.container {
  max-width: 1000px;
  margin: 0 auto;
}

.main-page {
  padding-top: 230px;
}
@media screen and (max-width: 750px) {
  .main-page {
    padding-top: 120px;
  }
}

.header__inner {
  height: 100px;
  background-color: #fff;
  z-index: 1000;
  position: fixed;
  top: 0px;
  left: 0px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 45px;
}
@media screen and (max-width: 750px) {
  .header__inner {
    height: 60px;
    padding-left: 20px;
  }
}

.logo {
  width: 146px;
}
@media screen and (max-width: 750px) {
  .logo {
    width: 108px;
  }
}

.menu {
  width: 32px;
  height: 15px;
  position: fixed;
  top: 35px;
  right: 35px;
  z-index: 1200;
  cursor: pointer;
}
@media screen and (max-width: 750px) {
  .menu {
    top: 24px;
    right: 20px;
  }
}
.menu span {
  position: absolute;
  width: 100%;
  height: 1px;
  background-color: var(--color);
}
.menu span:nth-child(1) {
  top: 0;
}
.menu span:nth-child(2) {
  bottom: 0px;
}
.menu.is-active span:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}
.menu.is-active span:nth-child(2) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

.mega {
  position: fixed;
  top: 0px;
  right: 0px;
  z-index: 1100;
  width: 400px;
  height: 100%;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s;
}
@media screen and (max-width: 750px) {
  .mega {
    width: 80vw;
  }
}
.mega.is-active {
  transform: scaleX(1);
}

.mega__inner {
  background-color: #999999;
  padding: 160px 0 0 65px;
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  transform: translateX(100%);
  transform-origin: right;
  transition: transform 0.3s;
}
.mega__inner.is-active {
  transform: translateX(0);
}
@media screen and (max-width: 750px) {
  .mega__inner {
    padding-top: 96px;
    padding-left: 40px;
  }
}

.mega__navi li {
  margin-bottom: 30px;
}
@media screen and (max-width: 750px) {
  .mega__navi li {
    margin-bottom: 20px;
  }
}

.mega__navi li a {
  color: #fff;
  font-size: 30px;
  text-decoration: none;
  font-family: var(--font-family-golden);
  display: inline-block;
  border-bottom: 1px solid transparent;
}
@media screen and (max-width: 750px) {
  .mega__navi li a {
    font-size: 24px;
  }
}

.mega__navi li a:hover {
  border-bottom: 1px solid #fff;
}

.mv {
  height: 100vh;
}
@media screen and (max-width: 750px) {
  .mv {
    height: auto;
    padding: 140px 20px 0;
  }
}

.mv__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}
@media screen and (max-width: 750px) {
  .mv__inner {
    gap: 16%;
  }
}

.mv__left {
  width: 308px;
  margin-right: 200px;
}
@media screen and (max-width: 750px) {
  .mv__left {
    width: 40%;
    margin-right: 0;
  }
}

.mv__name {
  margin-top: 30px;
}
@media screen and (max-width: 750px) {
  .mv__name {
    margin-top: 1vw;
  }
}

.mv__right {
  width: 190px;
}
@media screen and (max-width: 750px) {
  .mv__right {
    width: 24%;
  }
}

.concept {
  margin-top: 200px;
}
@media screen and (max-width: 750px) {
  .concept {
    margin-top: 120px;
  }
}

.title-primary {
  text-align: center;
  font-family: var(--font-family-golden);
  font-size: 50px;
  margin-bottom: 60px;
}
@media screen and (max-width: 750px) {
  .title-primary {
    font-size: 40px;
    margin-bottom: 40px;
  }
}

.concept__text {
  display: flex;
  justify-content: center;
}
@media screen and (max-width: 750px) {
  .concept__text {
    display: block;
    padding: 0 20px;
  }
}

.concept__text p {
  font-size: 18px;
  line-height: 3.78;
  letter-spacing: 0.14em;
}
@media screen and (max-width: 750px) {
  .concept__text p {
    font-size: 14px;
    line-height: 2.4;
  }
}

.work {
  margin-top: 200px;
}
@media screen and (max-width: 750px) {
  .work {
    margin-top: 120px;
  }
}

.workList {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 60px 80px;
}
@media screen and (max-width: 750px) {
  .workList {
    flex-direction: column;
    padding: 0 20px;
  }
}

.workList__item {
  width: calc((100% - 80px) / 2);
}
@media screen and (max-width: 750px) {
  .workList__item {
    width: 100%;
  }
}

.workList__thumb img {
  width: 100%;
  aspect-ratio: 46/32;
  -o-object-fit: cover;
     object-fit: cover;
  border: 1px solid #9b9b9b;
}

.workList__title {
  margin-top: 24px;
  font-size: 18px;
}
@media screen and (max-width: 750px) {
  .workList__title {
    margin-top: 20px;
    font-size: 16px;
  }
}

.contact {
  margin-top: 200px;
}
@media screen and (max-width: 750px) {
  .contact {
    margin-top: 120px;
  }
}

.contact__email {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 29px;
  font-family: var(--font-family-golden);
}
@media screen and (max-width: 750px) {
  .contact__email {
    flex-direction: column;
    font-size: 24px;
  }
}

.contact__email dt {
  margin-right: 30px;
}
@media screen and (max-width: 750px) {
  .contact__email dt {
    margin: 0 0 8px;
  }
}

.contact__email dd {
  font-size: 20px;
}

.footer {
  margin-top: 200px;
}
@media screen and (max-width: 750px) {
  .footer {
    margin-top: 120px;
  }
}

.footer__inner {
  margin: 0 45px;
  border-top: 1px solid var(--color);
  padding: 60px 0 80px;
  text-align: center;
}
@media screen and (max-width: 750px) {
  .footer__inner {
    margin: 0 20px;
    padding: 30px 0 30px;
  }
}

.copyright {
  font-size: 20px;
  font-family: var(--font-family-golden);
}
@media screen and (max-width: 750px) {
  .copyright {
    font-size: 14px;
  }
}

@media screen and (max-width: 750px) {
  .worksHeader {
    padding: 0 20px;
  }
}

.worksHeader__title {
  text-align: center;
  font-size: 30px;
  letter-spacing: 0.14em;
}
@media screen and (max-width: 750px) {
  .worksHeader__title {
    font-size: 20px;
  }
}

.worksHeader__info {
  margin-top: 90px;
}
@media screen and (max-width: 750px) {
  .worksHeader__info {
    margin-top: 60px;
  }
}
.worksHeader__info {
  display: flex;
}
.worksHeader__info + .worksHeader__info {
  margin-top: 15px;
}
@media screen and (max-width: 750px) {
  .worksHeader__info + .worksHeader__info {
    margin-top: 5px;
  }
}
.worksHeader__info dt {
  width: 140px;
  font-size: 20px;
  font-family: var(--font-family-golden);
}
@media screen and (max-width: 750px) {
  .worksHeader__info dt {
    font-size: 16px;
    width: 100px;
  }
}
.worksHeader__info dd {
  font-size: 17px;
  letter-spacing: 0.14em;
  word-break: break-all;
  flex: 1;
}
@media screen and (max-width: 750px) {
  .worksHeader__info dd {
    font-size: 14px;
  }
}
.worksHeader__info dd a {
  color: inherit;
}

.worksContent {
  margin-top: 90px;
}
@media screen and (max-width: 750px) {
  .worksContent {
    margin-top: 60px;
    padding: 0 20px;
  }
}


.worksContent__img img {
  border: 1px solid #9b9b9b;
}
.worksContent__img + .worksContent__img {
  margin-top: 60px;
}
@media screen and (max-width: 750px) {
  .worksContent__img + .worksContent__img {
    margin-top: 40px;
  }
}

.worksPhone {
  margin-top: 120px;
  display: flex;
  flex-wrap: wrap;
  gap: 60px 50px;
}
@media screen and (max-width: 750px) {
  .worksPhone {
    margin-top: 60px;
    padding: 0 20px;
    gap: 40px;
    flex-direction: column;
    align-items: center;
  }
}

.worksPhone__item {
  width: calc((100% - 100px) / 3);
  padding: 30px 20px 50px;
  background-color: #fff;
  border: 1px solid #231815;
  border-radius: 22px;
}
@media screen and (max-width: 750px) {
  .worksPhone__item {
    width: 90%;
  }
}
.worksPhone__item img {
  width: 100%;
  aspect-ratio: 520/924;
  -o-object-fit: cover;
     object-fit: cover;
  -o-object-position: top;
     object-position: top;
  border: 1px solid #9b9b9b;
}

.worksOther {
  overflow: hidden;
}

.worksOtherList {
  margin-top: 150px;
  max-width: 100%;
  display: flex;
  justify-content: center;
}
@media screen and (max-width: 750px) {
  .worksOtherList {
    margin-top: 90px;
  }
}

.worksOtherList__item {
  width: 540px;
}
@media screen and (max-width: 750px) {
  .worksOtherList__item {
    width: 80vw;
  }
}

.worksOtherList__inner {
  padding: 0 40px;
}
@media screen and (max-width: 750px) {
  .worksOtherList__inner {
    padding: 0 10px;
  }
}

.worksOtherList__thumb img {
  width: 100%;
  aspect-ratio: 46/32;
  -o-object-fit: cover;
     object-fit: cover;
  border: 1px solid #9b9b9b;
}

.worksOtherList__title {
  margin-top: 24px;
  font-size: 18px;
}
@media screen and (max-width: 750px) {
  .worksOtherList__title {
    font-size: 14px;
    margin-top: 16px;
  }
}