/* ===== reset & base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

img {
  max-width: 100%;
  display: block;
}

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

body {
  font-family: "Noto Sans JP", sans-serif;
  color: #000;
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 750px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 25px;
  }
}

/* ===== header ===== */
.site-header {
  height: 70px;
  border-bottom: 1px solid #e8e8e8;
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-logo {
  height: 60px;
  width: auto;
}

/* ===== section spacing ===== */
main > section {
  padding-top: 60px;
}

.hero {
  padding-top: 28px;
}

/* ===== hero ===== */
.hero__title,
.eyebrow,
.hero__date {
  margin-bottom: 10px;
}

.eyebrow {
  font-family: "Open Sans", sans-serif;
  font-size: 16px;
  letter-spacing: 0.8px;
  color: #1ac3b5;
}

.hero__title {
  font-weight: 700;
  font-size: 20px;
  line-height: 1.5;
}

.hero__date {
  font-size: 14px;
  color: #545454;
}

.date-num {
  font-family: "Open Sans", sans-serif;
}

.hero__banner,
.banner {
  aspect-ratio: 1400 / 900;
  border: 1px solid #56d8d6;
  overflow: hidden;
}

.banner {
  aspect-ratio: 900 / 400;
}

.hero__banner img,
.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 769px) {
  .hero__title {
    font-size: 24px;
  }
}

/* ===== section heading with orange bar ===== */
.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.18px;
  margin-bottom: 20px;
}

.section-title__bar {
  flex-shrink: 0;
  width: 6px;
  height: 22px;
  background: #f5a418;
  margin-top: 2px;
}

@media (min-width: 769px) {
  .section-title {
    font-size: 22px;
  }
  .section-title__bar {
    height: 24px;
  }
}

/* ===== intro ===== */
.intro__text {
  font-size: 16px;
}

/* ===== campaign heading (■) ===== */
.heading-lv2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
}

@media (min-width: 769px) {
  .heading-lv2 {
    font-size: 20px;
  }
}

/* ===== period ===== */
.period {
  margin-bottom: 35px;
}

.period__label {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.period__range {
  font-size: 16px;
}

/* ===== work group ===== */
.work-group {
  margin-bottom: 40px;
}

.work-group:last-child {
  margin-bottom: 0;
}

.work-group__label {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 20px;
}

/* ===== work grid ===== */
.work-grid--single {
  width: 175px;
}

.work-grid--multi {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: min(11.16vw,40px) min(7vw,30px);
}

@media (min-width: 769px) {
  .work-grid--single {
    width: 220px;
  }
  .work-grid--multi {
    grid-template-columns: repeat(3, 1fr);
    gap: 45px;
  }
}

/* ===== work card ===== */
.work-card {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.work-card__thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  background: #fff;
  border: 1px solid #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.work-card__cover {
  display: block;
  width: 62%;
  height: auto;
}

.work-card__tag-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-new {
  background: rgba(31, 202, 188, 0.2);
  color: #1ac3b5;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  padding: 0 8px;
  line-height: 1.4;
}

.work-card__meta {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: #8e8e8f;
}

.work-card__title {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}

.work-card__btn {
  display: block;
  margin-top: auto;
  padding-top: 20px;
  background: #f5a418;
  border: 1px solid #f5a418;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-align: center;
  border-radius: 50px;
  padding: 4px 0;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.work-card__btn:hover {
  background: #fff;
  color: #f5a418;
}

@media (min-width: 769px) {
  .badge-new,
  .work-card__meta {
    font-size: 12px;
  }
  .badge-new{
    padding: 0 12px;
  }
  .work-card__title {
    font-size: 17px;
  }
  .work-card__btn {
    font-size: 16px;
  }
}

/* ===== footer ===== */
.site-footer {
  margin-top: 60px;
  border-top: 1px solid #e8e8e8;
  padding: 30px 0 60px;
}

.footer__share-label {
  font-size: 14px;
  font-weight: 700;
  color: #1c2229;
  text-align: center;
  margin-bottom: 14px;
}

.footer__sns {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin-bottom: 40px;
}

.footer__sns img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  &.icon_x{
    width: 40px;
    height: 40px;
  }
}

.footer__bottom {
  border-top: 1px solid #e8e8ea;
  padding: 30px 0;
  text-align: center;
  width: 100vw;
  margin-left: calc(50% - 50vw);
}

.footer__logo {
  height: 60px;
  width: auto;
  margin: 0 auto 12px;
}

.footer__copyright {
  font-size: 11px;
  color: #8e8e8f;
}