@charset "UTF-8";

/* =========================
   Reset
========================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
li,
dl,
dt,
dd,
figure {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

button,
input,
textarea {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0;
  font: inherit;
}

button {
  cursor: pointer;
}

textarea {
  resize: vertical;
}

/* =========================
   Base
========================= */
body {
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
  background: #111;
  color: #fff;
  line-height: 1;
  -webkit-text-size-adjust: 100%;
  padding-top: 0;
}

.pc-br {
  display: inline;
}

.sp-br {
  display: none;
}

/* =========================
   Header
========================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 300;
  width: 100%;
  padding: 24px 0;
  background: rgba(20, 20, 20, 0.20);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background 0.3s ease, padding 0.3s ease;
}

.header-inner {
  width: calc(100% - 120px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: inline-block;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.08em;
  color: #fff;
}

.header-nav ul {
  display: flex;
  align-items: center;
  gap: 34px;
}

.header-nav a {
  position: relative;
  display: inline-block;
  font-family: "Montserrat", sans-serif;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.92);
  transition: opacity 0.3s ease;
}

.header-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 1px;
  background: #fff;
  transition: width 0.3s ease;
}

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

.header-contact-link {
  padding: 10px 18px;
  border-radius: 9999px;
  background: #fff;
  color: #2a2a2a !important;
}

.header-contact-link::after {
  display: none;
}

.header-contact-link:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.9);
}

/* =========================
   Hamburger / SP menu
========================= */
.menu-toggle {
  display: none;
  position: relative;
  z-index: 310;
  width: 42px;
  height: 42px;
}

.menu-toggle span {
  position: absolute;
  left: 8px;
  width: 26px;
  height: 2px;
  background: #fff;
  transition: transform 0.3s ease, opacity 0.3s ease, top 0.3s ease;
}

.menu-toggle span:nth-child(1) {
  top: 12px;
}

.menu-toggle span:nth-child(2) {
  top: 20px;
}

.menu-toggle span:nth-child(3) {
  top: 28px;
}

body.menu-open .menu-toggle span:nth-child(1) {
  top: 20px;
  transform: rotate(45deg);
}

body.menu-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

body.menu-open .menu-toggle span:nth-child(3) {
  top: 20px;
  transform: rotate(-45deg);
}

.sp-menu {
  display: none;
}

/* =========================
   FV
========================= */
.fv {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 820px;
  overflow: hidden;
  background: #000;
}

.fv-slider {
  position: absolute;
  inset: 0;
}

.fv-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.03);
  transition:
    opacity 1.4s ease,
    visibility 1.4s ease,
    transform 6s ease;
}

.fv-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.fv-slide picture,
.fv-slide picture img {
  display: block;
  width: 100%;
  height: 100%;
}

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

.fv-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.08) 0%,
    rgba(0, 0, 0, 0.10) 35%,
    rgba(0, 0, 0, 0.38) 100%
  );
}

.fv-copy {
  position: absolute;
  left: 60px;
  bottom: 56px;
  z-index: 3;
  width: calc(100% - 120px);
}

.fv-title {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 72px;
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: 0.06em;
  color: #fff;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
}

.fv-en {
  margin-top: 18px;
  font-family: "Montserrat", sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.82);
}

/* =========================
   About
========================= */
.about {
  background: #ffffff;
  color: #3e3431;
}

.about-inner {
  display: flex;
  align-items: flex-start;
}

.about-content {
  width: 56%;
  padding: 110px 72px 110px calc((100vw - 1440px) / 2 + 44px);
}

.about-title {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: #3c3130;
}

.about-text {
  margin-top: 44px;
  max-width: 640px;
}

.about-text p {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  font-weight: 500;
  line-height: 2.25;
  letter-spacing: 0.01em;
  color: #4a403d;
  margin-top: 12px;
}

.about-text p:first-child {
  margin-top: 0;
}

.about-image {
  width: 44%;
  margin-left: auto;
}

.about-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 683 / 768;
  object-fit: cover;
}

/* =========================
   About gallery
========================= */
.about-gallery {
  overflow: hidden;
  background: #ffffff;
  padding: 82px 0 92px;
}

.about-gallery-track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: aboutGalleryLoop 60s linear infinite;
}

.about-gallery-group {
  display: flex;
  align-items: flex-start;
  gap: 30px;
  padding-right: 30px;
  flex-shrink: 0;
}

.gallery-card {
  flex: 0 0 auto;
  overflow: hidden;
  background: #ddd;
  border-radius: 8px;
}

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

.gallery-card--01 {
  width: 230px;
  aspect-ratio: 230 / 276;
  margin-top: 0;
}

.gallery-card--02 {
  width: 250px;
  aspect-ratio: 250 / 296;
  margin-top: 106px;
}

.gallery-card--03 {
  width: 446px;
  aspect-ratio: 446 / 272;
  margin-top: 202px;
}

.gallery-card--04 {
  width: 210px;
  aspect-ratio: 210 / 308;
  margin-top: 0;
}

.gallery-card--05 {
  width: 440px;
  aspect-ratio: 440 / 275;
  margin-top: 118px;
}

@keyframes aboutGalleryLoop {
  0% {
    transform: translateX(calc(-100% / 3));
  }
  100% {
    transform: translateX(0);
  }
}

/* =========================
   Business
========================= */
.business-section {
  background: #f7f5f6;
  color: #3e3431;
  padding: 118px 0 120px;
}

.business-inner {
  width: min(1280px, calc(100% - 80px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 520px minmax(0, 1fr);
  grid-template-areas:
    "head head"
    "visual right";
  column-gap: 86px;
  row-gap: 56px;
  align-items: stretch;
}

.business-head {
  grid-area: head;
}

.business-kicker {
  position: relative;
  padding-left: 16px;
  font-family: "Montserrat", sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #d93b36;
}

.business-kicker::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  background: #d93b36;
  transform: rotate(15deg);
}

.business-heading {
  margin-top: 18px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: #3c3130;
}

.business-visual {
  grid-area: visual;
  position: relative;
  width: 100%;
  max-width: 520px;
  height: 100%;
  min-height: 680px;
  overflow: hidden;
}

.business-photo {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s ease, visibility 0.45s ease;
}

.business-photo.is-active {
  opacity: 1;
  visibility: visible;
}

.business-photo picture,
.business-photo picture img {
  display: block;
  width: 100%;
  height: 100%;
}

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

.business-right {
  grid-area: right;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.business-item {
  position: relative;
  display: block;
  padding: 18px 74px 28px 0;
  border-top: 1px solid #dfdbdc;
  color: #433836;
  opacity: 0.34;
  transition:
    opacity 0.35s ease,
    color 0.35s ease,
    background 0.35s ease;
}

.business-item:last-child {
  border-bottom: 1px solid #dfdbdc;
}

.business-item.is-active,
.business-item:hover,
.business-item:focus-visible {
  opacity: 1;
}

.business-item-label {
  display: block;
  font-family: "Montserrat", sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: inherit;
}

.business-item-title {
  margin-top: 18px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.5;
  color: inherit;
}

.business-item-text {
  margin-top: 10px;
  max-width: 92%;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  font-weight: 500;
  line-height: 2;
  letter-spacing: 0.01em;
  color: inherit;
}

.business-item-arrow {
  position: absolute;
  top: 50%;
  right: 20px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #4b3e3c;
  color: #ffffff;
  border-radius: 4px;
  font-size: 18px;
  line-height: 1;
  transform: translateY(-50%);
  transition:
    right 0.3s ease,
    background 0.3s ease,
    color 0.3s ease;
}

.business-item.is-active .business-item-arrow,
.business-item:hover .business-item-arrow,
.business-item:focus-visible .business-item-arrow {
  right: 8px;
  background: #2f2d2d;
  color: #ffffff;
}

/* =========================
   Company
========================= */
.company-section {
  background: #ffffff;
  color: #3e3431;
  padding: 118px 0 120px;
}

.company-inner {
  width: min(1280px, calc(100% - 80px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  column-gap: 70px;
  align-items: start;
}

.company-head {
  position: sticky;
  top: 80px;
}

.company-kicker {
  position: relative;
  padding-left: 16px;
  font-family: "Montserrat", sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #d93b36;
}

.company-kicker::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  background: #d93b36;
  transform: rotate(15deg);
}

.company-heading {
  margin-top: 18px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: #3c3130;
}

.company-table {
  width: 100%;
}

.company-row {
  display: grid;
  grid-template-columns: 144px minmax(0, 1fr);
  border-bottom: 1px solid #d9d4d4;
}

.company-row:first-child {
  border-top: none;
}

.company-label {
  position: relative;
  padding: 34px 24px 34px 0;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.8;
  color: #3c3130;
}

.company-label::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 144px;
  height: 1px;
  background: #e13a35;
}

.company-value {
  padding: 34px 0 34px 8px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.9;
  color: #3c3130;
}

.company-value strong {
  font-weight: 700;
}

.company-value small {
  display: block;
  margin-top: 4px;
  font-size: 15px;
  line-height: 1.9;
}

/* =========================
   Contact
========================= */
.contact-section {
  background: #f7f5f6;
  color: #3e3431;
  padding: 118px 0 140px;
}

.contact-inner {
  width: min(960px, calc(100% - 80px));
  margin: 0 auto;
  background: #ffffff;
  padding: 44px 60px 56px;
}

.contact-head {
  text-align: center;
}

.contact-kicker {
  position: relative;
  display: inline-block;
  padding-left: 16px;
  font-family: "Montserrat", sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #d93b36;
}

.contact-kicker::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  background: #d93b36;
  transform: rotate(15deg);
}

.contact-heading {
  margin-top: 16px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: #3c3130;
}

.contact-lead {
  margin-top: 6px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 15px;
  font-weight: 500;
  line-height: 2;
  color: #4a403d;
}

.contact-form {
  margin-top: 34px;
  border-top: 1px solid #e1dddd;
}

.contact-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 0 28px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid #e1dddd;
}

.contact-label {
  padding-top: 13px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.8;
  color: #3c3130;
}

.contact-row--textarea .contact-label {
  padding-top: 13px;
}

.contact-field input,
.contact-field textarea {
  width: 100%;
  border: 1px solid #ddd8d8;
  background: #faf9f9;
  border-radius: 6px;
  padding: 13px 16px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.8;
  color: #3c3130;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.contact-field input::placeholder,
.contact-field textarea::placeholder {
  color: #b1a9a9;
}

.contact-field input:focus,
.contact-field textarea:focus {
  outline: none;
  border-color: #bdb5b5;
  background: #fff;
}

.contact-field textarea {
  min-height: 162px;
}

.contact-submit {
  margin-top: 30px;
  text-align: center;
}

.contact-submitBtn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 340px;
  min-height: 58px;
  padding: 0 86px 0 26px;
  border-radius: 4px;
  background: #e30d12;
  color: #fff;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: background 0.3s ease, opacity 0.3s ease;
}

.contact-submitBtn::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: 22px;
  width: 52px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  color: #e30d12;
  border-radius: 2px;
  font-size: 28px;
  font-weight: 400;
  line-height: 1;
  transform: translateY(-50%);
  transition: right 0.3s ease, color 0.3s ease;
}

.contact-submitBtn:hover {
  background: #bc131a;
}

.contact-submitBtn:hover::after {
  right: 12px;
  color: #bc131a;
}

/* =========================
   Footer
========================= */
.site-footer {
  background: #2f2d2d;
  color: #ffffff;
  padding: 34px 0 28px;
}

.footer-inner {
  width: calc(100% - 80px);
  max-width: 1280px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
}

.footer-logo {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: #ffffff;
}

.footer-nav ul {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.88);
  transition: opacity 0.3s ease;
}

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

.footer-copy {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-family: "Montserrat", sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.68);
}

/* =========================
   Responsive
========================= */
@media screen and (max-width: 1600px) {
  .about-content {
    padding: 100px 56px 100px 56px;
  }
}

@media screen and (max-width: 1200px) {
  .header-inner {
    width: calc(100% - 80px);
  }

  .fv-copy {
    left: 40px;
    bottom: 40px;
    width: calc(100% - 80px);
  }

  .fv-title {
    font-size: 58px;
  }

  .fv-en {
    font-size: 16px;
  }

  .about-content {
    padding: 88px 44px 88px 44px;
  }

  .about-title {
    font-size: 30px;
    line-height: 1.7;
  }

  .about-text {
    margin-top: 34px;
    max-width: none;
  }

  .about-text p {
    font-size: 15px;
    line-height: 2.1;
  }

  .about-gallery {
    padding: 68px 0 74px;
  }

  .about-gallery-track {
    animation-duration: 56s;
  }

  .about-gallery-group {
    gap: 24px;
    padding-right: 24px;
  }

  .gallery-card--01 {
    width: 196px;
    aspect-ratio: 196 / 236;
  }

  .gallery-card--02 {
    width: 212px;
    aspect-ratio: 212 / 252;
    margin-top: 86px;
  }

  .gallery-card--03 {
    width: 380px;
    aspect-ratio: 380 / 232;
    margin-top: 168px;
  }

  .gallery-card--04 {
    width: 182px;
    aspect-ratio: 182 / 266;
  }

  .gallery-card--05 {
    width: 374px;
    aspect-ratio: 374 / 234;
    margin-top: 96px;
  }

  .business-section {
    padding: 96px 0 100px;
  }

  .business-inner {
    width: min(1180px, calc(100% - 60px));
    grid-template-columns: 420px minmax(0, 1fr);
    column-gap: 60px;
    row-gap: 44px;
  }

  .business-heading {
    font-size: 30px;
    line-height: 1.7;
  }

  .business-visual {
    max-width: 420px;
    min-height: 600px;
  }

  .business-item-title {
    font-size: 20px;
  }

  .business-item-text {
    font-size: 15px;
    max-width: 100%;
  }

  .company-section {
    padding: 96px 0 100px;
  }

  .company-inner {
    width: min(1180px, calc(100% - 60px));
    grid-template-columns: 220px minmax(0, 1fr);
    column-gap: 54px;
  }

  .company-heading {
    font-size: 30px;
    line-height: 1.7;
  }

  .company-row {
    grid-template-columns: 130px minmax(0, 1fr);
  }

  .company-label {
    font-size: 16px;
  }

  .company-label::after {
    width: 130px;
  }

  .company-value {
    font-size: 16px;
  }

  .contact-section {
    padding: 96px 0 110px;
  }

  .contact-inner {
    width: min(920px, calc(100% - 60px));
    padding: 40px 46px 50px;
  }

  .contact-heading {
    font-size: 30px;
    line-height: 1.7;
  }

  .footer-inner {
    width: calc(100% - 60px);
  }
}

@media screen and (max-width: 1024px) {
  .site-header {
    padding: 18px 0;
  }

  .header-inner {
    width: calc(100% - 40px);
  }

  .header-nav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .site-logo {
    font-size: 18px;
  }

  .sp-menu {
    position: fixed;
    inset: 0;
    z-index: 250;
    display: block;
    background: rgba(17, 17, 17, 0.96);
    padding: 88px 24px 32px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  body.menu-open .sp-menu {
    opacity: 1;
    visibility: visible;
  }

  .sp-menu-nav ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
  }

  .sp-menu-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    font-family: "Montserrat", sans-serif;
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 0.14em;
    color: #fff;
    text-align: center;
  }

  .sp-contact-link {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    min-height: 46px !important;
    padding: 0 14px;
    margin-top: 8px;
    border-radius: 9999px;
    background: #fff;
    color: #2a2a2a !important;
  }

  .fv {
    min-height: 680px;
  }

  .fv-copy {
    left: 20px;
    bottom: 28px;
    width: calc(100% - 40px);
  }

  .fv-title {
    font-size: 42px;
    line-height: 1.38;
  }

  .fv-en {
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.8;
    letter-spacing: 0.12em;
  }

  .about-inner {
    flex-direction: column;
  }

  .about-content,
  .about-image {
    width: 100%;
  }

  .about-content {
    padding: 72px 40px 40px;
  }

  .about-title {
    font-size: 28px;
    line-height: 1.7;
  }

  .about-text {
    margin-top: 26px;
    max-width: none;
  }

  .about-text p {
    font-size: 14px;
    line-height: 2.05;
    margin-top: 10px;
  }

  .about-image {
    padding: 0 40px 56px;
  }

  .about-image img {
    aspect-ratio: 683 / 768;
  }

  .about-gallery {
    padding: 54px 0 58px;
  }

  .about-gallery-track {
    animation-duration: 50s;
  }

  .about-gallery-group {
    gap: 18px;
    padding-right: 18px;
  }

  .gallery-card {
    border-radius: 7px;
  }

  .gallery-card--01 {
    width: 138px;
    aspect-ratio: 138 / 166;
    margin-top: 0;
  }

  .gallery-card--02 {
    width: 150px;
    aspect-ratio: 150 / 178;
    margin-top: 54px;
  }

  .gallery-card--03 {
    width: 270px;
    aspect-ratio: 270 / 166;
    margin-top: 124px;
  }

  .gallery-card--04 {
    width: 128px;
    aspect-ratio: 128 / 188;
    margin-top: 0;
  }

  .gallery-card--05 {
    width: 268px;
    aspect-ratio: 268 / 168;
    margin-top: 64px;
  }

  .business-section {
    padding: 72px 0 78px;
  }

  .business-inner {
    width: calc(100% - 40px);
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas:
      "head"
      "right"
      "visual";
    row-gap: 0;
  }

  .business-head {
    grid-area: head;
  }

  .business-right {
    grid-area: right;
    padding-top: 26px;
    height: auto;
  }

  .business-visual {
    margin-top: 36px;
    max-width: 100%;
    min-height: auto;
    aspect-ratio: 640 / 420;
  }

  .business-heading {
    margin-top: 14px;
    font-size: 28px;
    line-height: 1.65;
  }

  .business-item {
    padding: 20px 62px 24px 0;
  }

  .business-item-label {
    font-size: 12px;
  }

  .business-item-title {
    margin-top: 16px;
    font-size: 16px;
    line-height: 1.5;
  }

  .business-item-text {
    margin-top: 10px;
    font-size: 13px;
    line-height: 1.85;
    max-width: 100%;
  }

  .business-item-arrow {
    width: 34px;
    height: 34px;
    font-size: 18px;
    right: 18px;
  }

  .business-item.is-active .business-item-arrow,
  .business-item:hover .business-item-arrow,
  .business-item:focus-visible .business-item-arrow {
    right: 6px;
  }

  .company-section {
    padding: 72px 0 78px;
  }

  .company-inner {
    width: calc(100% - 40px);
    grid-template-columns: 1fr;
    row-gap: 30px;
  }

  .company-head {
    position: static;
  }

  .company-heading {
    margin-top: 14px;
    font-size: 28px;
    line-height: 1.65;
  }

  .company-row {
    grid-template-columns: 124px minmax(0, 1fr);
  }

  .company-label {
    padding: 28px 18px 28px 0;
    font-size: 15px;
    line-height: 1.8;
  }

  .company-label::after {
    width: 124px;
  }

  .company-value {
    padding: 28px 0 28px 10px;
    font-size: 15px;
    line-height: 1.85;
  }

  .company-value small {
    font-size: 13px;
  }

  .contact-section {
    padding: 72px 0 84px;
  }

  .contact-inner {
    width: calc(100% - 40px);
    padding: 34px 28px 40px;
  }

  .contact-heading {
    margin-top: 14px;
    font-size: 28px;
    line-height: 1.65;
  }

  .contact-lead {
    font-size: 14px;
    line-height: 1.9;
  }

  .contact-form {
    margin-top: 28px;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: 12px 0;
    padding: 20px 0;
  }

  .contact-label {
    padding-top: 0;
    font-size: 15px;
  }

  .contact-row--textarea .contact-label {
    padding-top: 0;
  }

  .contact-field input,
  .contact-field textarea {
    font-size: 15px;
  }

  .contact-field textarea {
    min-height: 180px;
  }

  .contact-submit {
    margin-top: 28px;
  }

  .contact-submitBtn {
    max-width: 320px;
    min-height: 54px;
    padding: 0 78px 0 22px;
    font-size: 15px;
  }

  .contact-submitBtn::after {
    right: 18px;
    width: 48px;
    height: 36px;
    font-size: 26px;
  }

  .contact-submitBtn:hover::after {
    right: 10px;
  }

  .footer-inner {
    width: calc(100% - 40px);
  }

  .footer-top {
    flex-direction: column;
    gap: 22px;
  }

  .footer-logo {
    font-size: 20px;
  }

  .footer-nav ul {
    gap: 18px 20px;
  }
}

@media screen and (max-width: 767px) {
  .pc-br {
    display: none;
  }

  .sp-br {
    display: inline;
  }

  .site-header {
    padding: 16px 0;
    background: rgba(20, 20, 20, 0.28);
  }

  .site-logo {
    font-size: 16px;
    letter-spacing: 0.06em;
  }

  .fv {
    min-height: 100svh;
  }

  .fv-copy {
    left: 16px;
    bottom: 22px;
    width: calc(100% - 32px);
  }

  .fv-title {
    font-size: 32px;
    line-height: 1.42;
    letter-spacing: 0.04em;
  }

  .fv-en {
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.7;
    letter-spacing: 0.08em;
  }

  .about-content {
    padding: 60px 20px 30px;
  }

  .about-title {
    font-size: 24px;
    line-height: 1.65;
  }

  .about-text {
    margin-top: 20px;
  }

  .about-text p {
    font-size: 13px;
    line-height: 2;
    margin-top: 8px;
  }

  .about-image {
    padding: 0 20px 40px;
  }

  .about-image img {
    aspect-ratio: 683 / 768;
  }

  .about-gallery {
    padding: 42px 0 42px;
  }

  .about-gallery-track {
    animation-duration: 44s;
  }

  .about-gallery-group {
    gap: 14px;
    padding-right: 14px;
  }

  .gallery-card {
    border-radius: 6px;
  }

  .gallery-card--01 {
    width: 112px;
    aspect-ratio: 112 / 134;
    margin-top: 0;
  }

  .gallery-card--02 {
    width: 120px;
    aspect-ratio: 120 / 144;
    margin-top: 36px;
  }

  .gallery-card--03 {
    width: 216px;
    aspect-ratio: 216 / 132;
    margin-top: 88px;
  }

  .gallery-card--04 {
    width: 102px;
    aspect-ratio: 102 / 150;
    margin-top: 0;
  }

  .gallery-card--05 {
    width: 214px;
    aspect-ratio: 214 / 134;
    margin-top: 44px;
  }

  .business-section {
    padding: 64px 0 72px;
  }

  .business-inner {
    width: calc(100% - 40px);
  }

  .business-kicker {
    font-size: 12px;
    padding-left: 14px;
  }

  .business-kicker::before {
    width: 5px;
    height: 5px;
  }

  .business-heading {
    margin-top: 14px;
    font-size: 24px;
    line-height: 1.65;
  }

  .business-right {
    padding-top: 22px;
  }

  .business-item {
    padding: 18px 56px 22px 0;
  }

  .business-item-label {
    font-size: 12px;
  }

  .business-item-title {
    margin-top: 14px;
    font-size: 16px;
    line-height: 1.5;
  }

  .business-item-text {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.85;
  }

  .business-item-arrow {
    width: 34px;
    height: 34px;
    font-size: 18px;
    right: 16px;
  }

  .business-item.is-active .business-item-arrow,
  .business-item:hover .business-item-arrow,
  .business-item:focus-visible .business-item-arrow {
    right: 6px;
  }

  .business-visual {
    margin-top: 30px;
    aspect-ratio: 600 / 340;
  }

  .company-section {
    padding: 64px 0 72px;
  }

  .company-inner {
    width: calc(100% - 40px);
    row-gap: 24px;
  }

  .company-kicker {
    font-size: 12px;
    padding-left: 14px;
  }

  .company-kicker::before {
    width: 5px;
    height: 5px;
  }

  .company-heading {
    margin-top: 14px;
    font-size: 24px;
    line-height: 1.65;
  }

  .company-row {
    grid-template-columns: 1fr 1.75fr;
  }

  .company-label {
    padding: 22px 14px 22px 0;
    font-size: 14px;
    line-height: 1.8;
  }

  .company-label::after {
    width: 100%;
  }

  .company-value {
    padding: 22px 0 22px 12px;
    font-size: 14px;
    line-height: 1.9;
    word-break: break-word;
  }

  .company-value small {
    font-size: 12px;
    line-height: 1.8;
  }

  .contact-section {
    padding: 64px 0 72px;
  }

  .contact-inner {
    width: calc(100% - 40px);
    padding: 28px 18px 32px;
  }

  .contact-kicker {
    font-size: 12px;
    padding-left: 14px;
  }

  .contact-kicker::before {
    width: 5px;
    height: 5px;
  }

  .contact-heading {
    margin-top: 14px;
    font-size: 24px;
    line-height: 1.65;
  }

  .contact-lead {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.9;
  }

  .contact-form {
    margin-top: 24px;
  }

  .contact-row {
    padding: 18px 0;
  }

  .contact-label {
    font-size: 14px;
  }

  .contact-field input,
  .contact-field textarea {
    padding: 14px 14px;
    font-size: 14px;
    border-radius: 6px;
  }

  .contact-field textarea {
    min-height: 150px;
  }

  .contact-submit {
    margin-top: 24px;
  }

  .contact-submitBtn {
    width: 100%;
    max-width: 280px;
    min-height: 52px;
    padding: 0 70px 0 18px;
    border-radius: 4px;
    font-size: 15px;
  }

  .contact-submitBtn::after {
    right: 16px;
    width: 42px;
    height: 32px;
    font-size: 22px;
    border-radius: 2px;
  }

  .contact-submitBtn:hover::after {
    right: 8px;
  }

  .site-footer {
    padding: 28px 0 24px;
    text-align: center;
  }

  .footer-top {
    align-items: center;
    gap: 18px;
  }

  .footer-logo {
    font-size: 18px;
    text-align: center;
  }

  .footer-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 14px;
  }

  .footer-nav a {
    font-size: 12px;
    letter-spacing: 0.1em;
    text-align: center;
  }

  .footer-copy {
    margin-top: 22px;
    padding-top: 16px;
    font-size: 10px;
    text-align: center;
  }
}

.site-header {
  z-index: 300;
}

.menu-toggle {
  z-index: 310;
}

.sp-menu {
  z-index: 250;
}