:root {
  --color-primary: #0f8b8d;
  --color-primary-dark: #0b6b6d;
  --color-bg: #ffffff;
  --color-border: #d8e3e6;
  --color-text: #1f2a30;
  --color-text-inverse: #ffffff;
  --color-shadow: rgba(16, 42, 67, 0.08);

  --header-bg: #ffffff;
  --header-border: #dcdcdc;
  --header-nav-color: #008287;

  --font-family-base:
    "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic",
    "Yu Gothic Medium", "Meiryo", sans-serif;

  --font-size-xs: 1.3rem;
  --font-size-sm: 1.4rem;
  --font-size-md: 1.6rem;
  --font-size-lg: 1.8rem;

  --line-height-tight: 1.25;
  --line-height-base: 1.7;

  --container-width: 1160px;
  --container-narrow: 960px;
  --header-height: 80px;
  --header-inner-width: 1300px;

  --space-md: 1.6rem;
  --space-lg: 2.4rem;
  --space-xl: 3.2rem;

  --transition-base: 0.3s ease;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-md);
  font-weight: 400;
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  letter-spacing: 0.02em;
}

body.page {
  overflow-x: hidden;
}

main {
  display: block;
}

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

a,
button {
  transition:
    color var(--transition-base),
    background-color var(--transition-base),
    border-color var(--transition-base),
    opacity var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

a:hover,
button:hover {
  opacity: 0.92;
}

a:focus-visible,
button:focus-visible {
  outline-color: var(--color-primary);
}

::selection {
  color: var(--color-text-inverse);
  background-color: var(--color-primary);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: #1c355e;
  line-height: var(--line-height-tight);
}

p {
  color: var(--color-text);
}

small {
  font-size: var(--font-size-xs);
}

address {
  font-style: normal;
}

.l-container {
  width: min(100% - 4rem, var(--container-width));
  margin-inline: auto;
}

.l-container--narrow {
  width: min(100% - 4rem, var(--container-narrow));
  margin-inline: auto;
}

.l-main {
  position: relative;
  background: #f2f2f2;
}

.l-header {
  width: 100%;
  height: var(--header-height);
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
}

.l-header__inner {
  width: min(100% - 4rem, var(--header-inner-width));
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4.8rem;
}

.l-header__brand {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}

.l-header__nav {
  flex: 0 1 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.c-menu-button {
  display: none;
  position: relative;
  width: 56px;
  height: 56px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  z-index: 1101;
}

.c-menu-button__line {
  position: absolute;
  left: 50%;
  width: 32px;
  height: 3px;
  border-radius: 9999px;
  background-color: #008287;
  transform: translateX(-50%);
  transition:
    transform 0.3s ease,
    opacity 0.3s ease,
    top 0.3s ease;
}

.c-menu-button__line:nth-child(1) {
  top: 17px;
}

.c-menu-button__line:nth-child(2) {
  top: 26px;
}

.c-menu-button__line:nth-child(3) {
  top: 35px;
}

.c-menu-button.is-open .c-menu-button__line:nth-child(1),
.c-menu-button--close .c-menu-button__line:nth-child(1) {
  top: 26px;
  transform: translateX(-50%) rotate(38deg) scaleX(1.2);
}

.c-menu-button.is-open .c-menu-button__line:nth-child(2),
.c-menu-button--close .c-menu-button__line:nth-child(2) {
  opacity: 0;
}

.c-menu-button.is-open .c-menu-button__line:nth-child(3),
.c-menu-button--close .c-menu-button__line:nth-child(3) {
  top: 26px;
  transform: translateX(-50%) rotate(-38deg) scaleX(1.2);
}

.c-menu-button:not(.c-menu-button--close).is-open {
  opacity: 0;
  pointer-events: none;
}

.c-sp-menu {
  position: fixed;
  inset: 0;
  z-index: 1100;
}

.c-sp-menu[hidden] {
  display: none;
}

.c-sp-menu__panel {
  position: relative;
  z-index: 2;
  width: 100%;
  min-height: 100vh;
  background-color: #008287;
  display: flex;
  flex-direction: column;
}

.c-sp-menu__head {
  height: 72px;
  padding: 0 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.6rem;
  background-color: #ffffff;
  flex: 0 0 72px;
}

.c-site-logo--sp-menu {
  display: inline-flex;
  align-items: center;
  width: 146px;
  height: 40px;
  flex: 0 0 auto;
}

.c-site-logo--sp-menu .c-site-logo__image {
  width: 146px;
  height: 40px;
  object-fit: contain;
}

.c-sp-menu__body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.6rem;
}

.c-sp-menu__nav {
  width: 100%;
  max-width: 51rem;
}

.c-sp-menu__link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 84px;
  padding: 0 5.6rem 0 1.6rem;
  border-bottom: 1px solid #ffffff;
  color: #ffffff;
  text-decoration: none;
}

.c-sp-menu__label {
  display: block;
  width: 100%;
  font-size: 1.6rem;
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
}

.c-sp-menu__link::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 1.6rem;
  width: 14px;
  height: 14px;
  border-top: 4px solid #ffffff;
  border-right: 4px solid #ffffff;
  transform: translateY(-50%) rotate(45deg);
}

.c-sp-menu__overlay {
  display: none;
}

.c-menu-button--close {
  display: block;
  position: relative;
  z-index: 4;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
}

.c-menu-button--close .c-menu-button__line {
  background-color: #008287;
}

.c-site-logo--sp-menu .c-site-logo__image {
  width: 146px;
  height: 40px;
  object-fit: contain;
}

.c-menu-button--close {
  display: block;
  position: relative;
  z-index: 4;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  top: 0;
  left: 0;
}

.c-menu-button--close .c-menu-button__line {
  background-color: #008287;
}

.c-sp-menu__nav {
  width: 100%;
  max-width: 51rem;
  margin: 0 auto;
}

.c-sp-menu__link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 84px;
  padding: 0 5.6rem 0 1.6rem;
  border-bottom: 1px solid #ffffff;
  color: #ffffff;
  text-decoration: none;
}

.c-sp-menu__label {
  display: block;
  width: 100%;
  font-size: 1.6rem;
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
}

.c-sp-menu__link::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 1.6rem;
  width: 14px;
  height: 14px;
  border-top: 4px solid #ffffff;
  border-right: 4px solid #ffffff;
  transform: translateY(-50%) rotate(45deg);
}
.c-sp-menu__link:first-child {
  border-top: 0;
}

.c-sp-menu__link::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 3.2rem;
  width: 14px;
  height: 14px;
  border-top: 4px solid #ffffff;
  border-right: 4px solid #ffffff;
  transform: translateY(-50%) rotate(45deg);
}

.c-sp-menu__overlay {
  display: none;
}

@media (max-width: 768px) {
  .l-header {
    position: relative;
    z-index: 1000;
  }

  .l-header__inner {
    width: min(100% - 3.2rem, var(--header-inner-width));
    gap: 1.6rem;
    min-height: 72px;
  }

  .l-header__brand {
    display: flex;
    align-items: center;
    height: 40px;
  }

  .l-header__nav {
    display: none;
  }

  .c-site-logo {
    width: 146px;
    height: 40px;
  }

  .c-site-logo__image {
    width: 146px;
    height: 40px;
    object-fit: contain;
  }

  .c-menu-button {
    display: block;
    margin-left: auto;
  }
}

.c-site-logo {
  display: inline-flex;
  align-items: center;
  width: 175px;
  height: 48px;
  text-decoration: none;
  flex: 0 0 auto;
}

.c-site-logo__image {
  display: block;
  width: 175px;
  height: 48px;
  object-fit: contain;
}

.c-global-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4.8rem;
}

.c-global-nav__item {
  display: flex;
  align-items: center;
}

.c-global-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 4rem;
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0;
  color: var(--header-nav-color);
  white-space: nowrap;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.p-hero {
  padding: 0;
  background-color: var(--color-bg);
}

.p-hero::after {
  content: none;
}

.p-hero__inner {
  width: min(100% - 4rem, 1300px);
  margin-inline: auto;
  padding: 0;
  display: block;
  min-height: auto;
}

.p-hero__visual {
  position: relative;
  width: 1300px;
  height: 620px;
  overflow: hidden;
  background-color: #bfe4e4;
}

.p-hero__background {
  position: absolute;
  inset: 0;
  width: 1300px;
  height: 620px;
  object-fit: cover;
  object-position: center;
}

.p-hero__copy-group {
  position: absolute;
  left: 2.4rem;
  bottom: 3.8rem;
  display: flex;
  align-items: flex-end;
  gap: 2.2rem;
  z-index: 2;
}

.p-hero__copy {
  display: block;
  width: auto;
  height: auto;
}

.p-hero__copy--primary {
  width: 500px;
  height: 120px;
}

.p-hero__copy--secondary {
  width: 441px;
  height: 88px;
  margin-bottom: 1rem;
}

.p-hero__taglines {
  position: absolute;
  top: 4.4rem;
  right: 5.8rem;
  z-index: 2;
}

.p-hero__tagline-connector {
  display: inline-block;
  line-height: 1;
}

.p-hero__tagline {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.p-hero__tagline--qualification {
  top: 0;
  right: 0;
  width: 56px;
  height: 210px;
}

.p-hero__tagline--discipline {
  top: 9rem;
  right: 7.2rem;
  width: 56px;
  height: 280px;
}

.p-hero__tagline-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.08em;
  color: #111111;
  display: flex;
}

.p-hero__tagline-accent {
  color: #008287;
}

.p-hero__sp-image {
  display: none;
}

.p-message {
  padding-block: 7.2rem 8rem;
  background-color: var(--color-bg);
}

.p-message__inner {
  display: grid;
  justify-items: center;
  gap: 5.2rem;
}

.p-message__headline {
  display: grid;
  justify-items: center;
  gap: 2.3rem;
}

.p-message__headline--pc {
  display: grid;
  justify-items: center;
  gap: 2.3rem;
}

.p-message__headline--sp {
  display: none;
}

.p-message__headline-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 3.2rem;
  background: linear-gradient(90deg, #006060 0%, #008287 100%);
  color: #ffffff;
  font-size: 2.7rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
  text-align: center;
  white-space: nowrap;
}
.p-message__body {
  display: grid;
  gap: 1.2rem;
  text-align: center;
}

.p-message__body p {
  margin: 0;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.9;
  color: #000000;
}

.p-case {
  background-color: #f2f2f2;
}
.p-case__heading {
  position: relative;
  height: 20rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 6.4rem;
  overflow: hidden;
  background-color: #d9eced;
}

.p-case__heading::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(
    to right,
    rgba(182, 212, 214, 0.95) 0%,
    rgba(182, 212, 214, 0.88) 35%,
    rgba(182, 212, 214, 0.55) 70%,
    rgba(182, 212, 214, 0.18) 100%
  );
  clip-path: polygon(0 0, 0 100%, 100% 100%, 0 0);
  pointer-events: none;
}

.p-case__heading picture {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
}

.p-case__heading-image {
  display: block;
  width: min(100%, 69rem);
  height: auto;
  margin-inline: auto;
}
.p-case__body {
  width: min(100% - 4rem, 1100px);
  margin-inline: auto;
  padding: 0;
  background-color: #ffffff;
  margin-bottom: 8rem;
  box-shadow: 0 2px 4px var(--color-shadow);
}

.p-case__panel {
  padding: 5rem 10.8rem 5.6rem;
}

.p-case__panel:last-child {
  padding-bottom: 6.4rem;
}

.p-case__header {
  text-align: center;
}

.p-case__title {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.8rem;
  flex-wrap: wrap;
  margin-bottom: 4.8rem;
}

.p-case__title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2.4rem;
  transform: translateX(-50%);
  width: 100%;
  max-width: 90rem;
  height: 0.2rem;
  background: linear-gradient(90deg, #cce6e7 0%, #008287 50%, #cce6e7 100%);
}

.p-case__title-main {
  font-size: 3.6rem;
  font-weight: 700;
  line-height: 1.3;
  color: #000000;
}

.p-case__title-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 4.8rem;
  padding: 0.4rem 1.8rem;
  background: linear-gradient(90deg, #006060 0%, #008287 100%);
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.2;
  color: #ffffff;
  white-space: nowrap;
}

.p-case__lead {
  margin-bottom: 2.8rem;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.8;
  color: #008287;
  text-align: center;
}

.p-case__text {
  max-width: 94rem;
  margin-inline: auto;
  margin-bottom: 5.2rem;
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.9;
  color: #000000;
  text-align: left;
}

.p-case__panel--simple {
  padding-top: 6.4rem;
}

.p-case__title-simple {
  position: relative;
  margin: 0 0 5.6rem;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: #008287;
  text-align: center;
  text-decoration: none;
}

.p-case__title-simple::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2.6rem;
  transform: translateX(-50%);
  width: min(100%, 92rem);
  height: 0.2rem;
  background: linear-gradient(90deg, #cce6e7 0%, #008287 50%, #cce6e7 100%);
}

.p-case__text--center {
  max-width: 78rem;
  margin: 0 auto 5.6rem;
}

.p-case__videos {
  display: grid;
  grid-template-columns: repeat(2, 422px);
  justify-content: center;
  column-gap: 8.4rem;
  row-gap: 3.2rem;
}

.p-case__video {
  min-width: 0;
}

.p-case__video-title {
  margin-bottom: 1.6rem;
  padding-bottom: 0.8rem;
  border-bottom: 0.5rem solid transparent;
  border-image: linear-gradient(90deg, #006060 0%, #008287 100%);
  border-image-slice: 1;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.4;
  color: #008287;
}

.p-case__video-link {
  display: block;
}

.p-case__video-image {
  display: block;
  width: 422px;
  height: 237px;
  object-fit: cover;
}

.p-more {
  background-color: #ffffff;
}

.p-more__body {
  width: min(100% - 4rem, 980px);
  margin-inline: auto;
  padding: 2rem 0 8rem;
  display: grid;
  gap: 9.2rem;
}

.p-more__item {
  display: grid;
  grid-template-columns: 340px 1fr;
  align-items: center;
  column-gap: 5.4rem;
}

.p-more__media {
  width: 340px;
}

.p-more__image {
  display: block;
  width: 340px;
  height: 220px;
  object-fit: cover;
}

.p-more__content {
  display: grid;
  align-content: start;
  gap: 2.4rem;
}

.p-more__title {
  position: relative;
  margin: 0;
  padding-bottom: 1.6rem;
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.5;
  color: #008287;
}

.p-more__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(100%, 50rem);
  height: 0.2rem;
  background: linear-gradient(
    90deg,
    #008287 0%,
    #048488 14%,
    #108a8e 28%,
    #259498 42%,
    #42a2a6 56%,
    #67b4b7 71%,
    #95cbcd 85%,
    #cce6e7 100%
  );
}

.p-more__text {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.9;
  color: #000000;
}

.p-more__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  width: 270px;
  min-height: 50px;
  padding: 0 2rem;
  background-color: #008287;
  color: #ffffff;
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-decoration: none;
}

.p-more__button-arrow {
  font-size: 1.4rem;
  line-height: 1;
}

.p-case__player {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 422 / 237;
  background: #000;
}

.p-case__video-link {
  position: relative;
  display: block;
  overflow: hidden;
}

.p-case__video-image {
  display: block;
  width: 100%;
  height: auto;
}

.p-case__video-player {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
  object-fit: cover;
  z-index: 2;
}

.l-footer {
  background-color: #f2f2f2;
}

.l-footer__cta {
  position: relative;
  min-height: 42rem;
  background:
    linear-gradient(rgba(0, 130, 135, 0.28), rgba(0, 130, 135, 0.28)),
    url("../assets/images/foot_bg.png") center / cover no-repeat;
}

.l-footer__cta-inner {
  width: min(100% - 4rem, 1300px);
  min-height: 42rem;
  margin-inline: auto;
  padding: 7.2rem 2rem 6.4rem;
  display: grid;
  justify-items: center;
  align-content: center;
  text-align: center;
}

.l-footer__cta-title {
  margin: 0 0 3.2rem;
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #ffffff;
}

.l-footer__cta-text {
  margin: 0 0 4.8rem;
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.9;
  color: #ffffff;
}

.l-footer__cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 400px;
  min-height: 7.2rem;
  padding: 0 2.4rem;
  background-color: #ffffff;
  color: #008287;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-decoration: none;
}
.l-footer__bottom {
  background-color: #fff;
}

.l-footer__bottom-inner {
  width: min(100% - 4rem, 1300px);
  margin-inline: auto;
  padding: 6.8rem 0 5.6rem;
  display: grid;
  justify-items: center;
  gap: 5.2rem;
}

.l-footer__nav {
  width: 100%;
}

.l-footer__menu {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
  text-align: center;
}

.l-footer__menu-item {
  position: relative;
}

.l-footer__menu-item:not(:first-child)::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 4.8rem;
  background-color: #d8d8d8;
  transform: translateY(-50%);
}

.l-footer__menu-item a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 4rem;
  font-size: 1.6rem;
  font-weight: 500;
  line-height: 1.4;
  color: #008287;
  text-decoration: none;
}

.l-footer__social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
}

.l-footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  text-decoration: none;
}

.l-footer__social-icon {
  display: block;
  width: 3rem;
  height: 3rem;
  object-fit: contain;
}
@media (max-width: 1320px) {
  .l-header__inner {
    width: min(100% - 4rem, var(--header-inner-width));
  }

  .p-hero__inner {
    width: min(100%, 1300px);
  }

  .p-hero__visual {
    width: 100%;
    height: auto;
    aspect-ratio: 1300 / 620;
  }

  .p-hero__background {
    width: 100%;
    height: 100%;
  }

  .p-hero__copy-group {
    left: 1.846vw;
    bottom: 3.064vw;
    gap: 1.692vw;
  }

  .p-hero__copy--primary {
    width: 38.462vw;
    max-width: 500px;
    height: auto;
  }

  .p-hero__copy--secondary {
    width: 33.923vw;
    max-width: 441px;
    height: auto;
    margin-bottom: 0.769vw;
  }

  .p-hero__taglines {
    top: 3.385vw;
    right: 4.462vw;
  }

  .p-hero__tagline--qualification {
    width: 4.308vw;
    max-width: 56px;
    height: 16.154vw;
    max-height: 210px;
  }

  .p-hero__tagline--discipline {
    top: 6.923vw;
    right: 5.538vw;
    width: 4.308vw;
    max-width: 56px;
    height: 21.538vw;
    max-height: 280px;
  }

  .p-hero__tagline-text {
    font-size: clamp(1.4rem, 1.846vw, 2.4rem);
  }
}

@media (max-width: 1200px) {
  .p-case__body {
    width: min(100% - 4rem, 1100px);
  }

  .p-case__panel {
    padding: 4.8rem 6rem 5.2rem;
  }

  .p-case__text {
    max-width: 670px;
  }

  .p-case__videos {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 4rem;
  }

  .p-case__video-image {
    width: 100%;
    height: auto;
    aspect-ratio: 422 / 237;
  }
}

@media (max-width: 1080px) {
  .p-message {
    padding-block: 6.4rem 7.2rem;
  }

  .p-message__inner {
    gap: 4.4rem;
  }

  .p-message__headline {
    gap: 1.8rem;
  }

  .p-message__headline-line {
    padding: 0.5rem 2.4rem;
    font-size: 3rem;
    white-space: normal;
  }

  .p-message__body p {
    font-size: 2rem;
    line-height: 1.8;
  }

  .c-global-nav {
    gap: 3.2rem;
  }

  .c-global-nav__link {
    font-size: 1.8rem;
  }
}

@media (max-width: 900px) {
  .p-more__body {
    width: min(100% - 3.2rem, 980px);
    padding: 5.6rem 0 6.4rem;
    gap: 6.4rem;
  }

  .p-more__item {
    grid-template-columns: 1fr;
    row-gap: 0.8rem;
  }

  .p-more__media,
  .p-more__image {
    width: 100%;
    height: auto;
    aspect-ratio: 340 / 220;
  }

  .p-more__title::after {
    width: 100%;
  }

  .p-download__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 72px;
  }

  .l-container,
  .l-container--narrow,
  .l-header__inner {
    width: min(100% - 3.2rem, var(--container-width));
  }

  .l-header__inner {
    gap: var(--space-md);
  }

  .l-header__nav {
    display: none;
  }

  .c-site-logo {
    width: 146px;
    height: 40px;
  }

  .c-site-logo__image {
    width: 146px;
    height: 40px;
  }

  .p-hero__inner {
    width: 100%;
  }

  .p-hero__visual {
    width: 100%;
    min-height: 600px;
    height: auto;
    aspect-ratio: auto;
    padding: 0;
    background: none;
  }

  .p-hero__background,
  .p-hero__copy-group,
  .p-hero__taglines {
    display: none;
  }

  .p-hero__sp-image {
    display: block;
    width: 100%;
    min-height: 600px;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }

  .p-message {
    padding-block: 4.8rem 5.6rem;
  }

  .p-message__inner {
    gap: 3.2rem;
  }

  .p-message__headline {
    width: 100%;
    gap: 1.2rem;
  }

  .p-message__headline-line {
    width: 100%;
    min-height: auto;
    padding: 0.5rem 1.6rem;
    font-size: 2.2rem;
    line-height: 1.5;
    white-space: normal;
  }

  .p-message__body {
    gap: 0.8rem;
  }

  .p-message__body p {
    font-size: 1.8rem;
    line-height: 1.85;
  }

  .p-case__heading {
    height: 15rem;
  }

  .p-case__heading-image {
    width: min(100%, 52rem);
  }

  .p-case__body {
    width: min(100% - 3.2rem, 1100px);
    padding: 4rem 0 0;
  }

  .p-case__panel {
    padding: 3.6rem 2rem 4rem;
  }

  .p-case__panel:last-child {
    padding-bottom: 4.8rem;
  }

  .p-case__title {
    gap: 1.2rem;
    margin-bottom: 2rem;
  }

  .p-case__title-main {
    font-size: 2.8rem;
  }

  .p-case__title-badge {
    min-height: 4rem;
    padding: 0.4rem 1.4rem;
    font-size: 2.4rem;
  }

  .p-case__lead {
    margin-bottom: 2.2rem;
    margin-top: 4.2rem;
    font-size: 1.8rem;
    line-height: 1.8;
  }

  .p-case__text {
    margin-bottom: 4rem;
    font-size: 1.5rem;
    line-height: 1.9;
  }

  .p-case__title-simple {
    font-size: 2rem;
  }

  .p-case__videos {
    grid-template-columns: 1fr;
    row-gap: 2.8rem;
  }

  .p-case__video-title {
    margin-bottom: 1.2rem;
    font-size: 1.8rem;
  }

  .l-footer__cta {
    min-height: auto;
  }

  .l-footer__cta-inner {
    width: min(100% - 3.2rem, 1300px);
    min-height: auto;
    padding: 5.6rem 1.6rem;
  }

  .l-footer__cta-title {
    margin-bottom: 2.4rem;
    font-size: 2.6rem;
    line-height: 1.6;
  }

  .l-footer__cta-text {
    margin-bottom: 3.2rem;
    font-size: 1.5rem;
  }

  .l-footer__cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: min(100%, 400px);
    height: 72px;
    padding: 0 2.4rem;
    background-color: #ffffff;
    color: #008287;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    text-decoration: none;
  }

  .l-footer__bottom-inner {
    width: min(100% - 3.2rem, 1300px);
    padding: 4.8rem 0;
    gap: 3.6rem;
  }

  .l-footer__menu {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .l-footer__menu-item:not(:first-child)::before {
    content: none;
  }

  .l-footer__menu-item:not(:last-child) {
    border-bottom: 1px solid #e6e6e6;
    padding-bottom: 1.6rem;
  }

  .l-footer__menu-item:not(:last-child) {
    margin-bottom: 1.6rem;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 60%;
  }

  .p-hero__visual {
    min-height: 600px;
  }

  .p-hero__sp-image {
    min-height: 600px;
  }

  .p-message__headline--pc {
    display: none;
  }

  .p-message__headline--sp {
    display: grid;
    justify-items: center;
    gap: 1.2rem;
    width: 100%;
  }

  .p-message__headline-line {
    display: inline-flex;
    width: auto;
    max-width: 100%;
    padding: 0.5rem 1.6rem;
    font-size: 2.2rem;
    line-height: 1.4;
    white-space: nowrap;
  }
  .p-message__body p {
    font-size: 1.6rem;
    line-height: 2.2;
  }

  .p-case__heading {
    height: 12rem;
    padding: 0 1.6rem;
    margin-bottom: 3.4rem;
  }

  .p-case__body {
    width: min(100% - 2.4rem, 1100px);
    padding: 0;
  }

  .p-case__panel {
    padding: 3rem 1.6rem 3.2rem;
  }

  .p-case__title {
    flex-direction: column;
  }

  .p-case__title-main {
    font-size: 2.4rem;
  }

  .p-case__title-badge {
    min-height: 3.6rem;
    font-size: 2rem;
  }

  .p-case__lead {
    font-size: 1.6rem;
  }

  .p-case__text {
    font-size: 1.4rem;
  }

  .p-case__video-title {
    font-size: 1.7rem;
  }

  .p-more__body {
    width: min(100% - 2.4rem, 980px);
    padding: 0 0 5.6rem;
    gap: 4.8rem;
  }

  .p-more__content {
    gap: 2rem;
  }

  .p-more__title {
    font-size: 2rem;
    padding-bottom: 1.2rem;
  }

  .p-more__text {
    font-size: 1.4rem;
  }

  .p-more__button {
    width: 100%;
    max-width: 270px;
    min-height: 4.8rem;
    margin: auto;
  }

  .l-footer__cta-title {
    font-size: 2.2rem;
  }

  .l-footer__cta-text {
    font-size: 1.4rem;
    line-height: 1.8;
  }

  .l-footer__cta-button {
    font-size: 1.7rem;
  }

  .l-footer__menu-item a {
    font-size: 1.5rem;
  }
}

.pc-br {
  display: inline;
}

.sp-br {
  display: none;
}

@media (max-width: 768px) {
  .pc-br {
    display: none;
  }

  .sp-br {
    display: inline;
  }
}

@media (min-width: 769px) {
  .c-sp-menu__nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    max-width: 80%;
  }

  .c-sp-menu__link {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: auto;
    padding: 0 3.2rem;
    color: #008287;
    border: none;
  }

  .c-sp-menu__label {
    font-size: 1.6rem;
    color: #008287;
  }

  .c-sp-menu__link:not(:first-child)::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 1px;
    height: 2.4rem;
    background-color: #e6e6e6;
    transform: translateY(-50%);
  }

  .c-sp-menu__link::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .l-footer__bottom .c-sp-menu__nav {
    display: block;
    max-width: 100%;
    margin: 0 auto;
  }

  .l-footer__bottom .c-sp-menu__link {
    display: block;
    text-align: center;
    padding: 1.6rem 0;
    min-height: auto;
    color: #008287;
    border-bottom: 1px solid #e6e6e6;
  }

  .l-footer__bottom .c-sp-menu__link:last-child {
    border-bottom: none;
  }

  .l-footer__bottom .c-sp-menu__link::after {
    display: none;
  }
}

@media screen and (min-width: 1201px) {
  .p-case__video iframe {
    width: 422px;
    height: 237px;
  }
}

@media screen and (max-width: 1200px) {
  .p-case__video iframe {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }
}