@charset "UTF-8";
/* ===== HEADER ===== */
.header {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: var(--z-header);
  background: var(--c-white);
  overflow: hidden;
}

/* 1280px以上：通常レイアウト */
.header:not(.header--scaled) {
  height: 80px;
}

.header:not(.header--scaled) .header__scale-wrap {
  margin: 0 auto;
}

/* 768～1280px：等比縮小（header-scale.js により .header--scaled が付与される） */
.header.header--scaled {
  height: var(--header-height, 80px);
}

.header.header--scaled .header__scale-wrap {
  position: absolute;
  left: 50%;
  top: 0;
  width: 1280px;
  transform: translateX(-50%) scale(var(--header-scale, 1));
  transform-origin: center top;
  height: 80px;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  padding: 0 0 0 60px;
  margin: 0 auto;
  box-sizing: border-box;
}

.header.header--scaled .header__inner {
  max-width: 1280px;
}

.header__left {
  display: flex;
  align-items: center;
  gap: 19px;
}

.header__logo {
  transition: opacity 0.3s ease;
}

@media (hover: hover) {
  .header__logo:hover {
    opacity: 0.8;
  }
}
.header__logo img {
  display: block;
  width: 138px;
  height: auto;
}

.header__sub {
  font-family: var(--ff-body);
  font-size: 12px;
  font-weight: 400;
  color: var(--c-text);
}

.header__sub-new {
  display: inline-block;
}

.header__right {
  display: flex;
  align-items: center;
  gap: 60px;
}

.header__menu-toggle,
.header__mobile-nav {
  display: none;
}

.header__menu {
  display: flex;
  gap: 40px;
}

.header__link {
  position: relative;
  font-family: var(--ff-body);
  font-size: 18px;
  font-weight: 400;
  color: #000;
  white-space: nowrap;
}

.header__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--c-title);
  transition: width 0.3s ease;
}

@media (hover: hover) {
  .header__link:hover {
    color: var(--c-title);
  }
  .header__link:hover::after {
    width: 100%;
  }
}
.header__entry-group {
  display: flex;
  align-self: stretch;
}

.header__entry-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 150px;
  height: 80px;
  color: var(--c-white);
  text-align: center;
  text-decoration: none;
  transition: all 0.3s ease-in-out;
}

.header__entry-btn--2027 {
  background: var(--c-entry-2027);
  border: 1px solid var(--c-entry-2027);
}

.header__entry-btn--2028 {
  background: var(--c-entry-2028);
  border: 1px solid var(--c-entry-2028);
}

@media (hover: hover) {
  .header__entry-btn--2027:hover {
    background: var(--c-white);
    border-color: var(--c-entry-2027);
    color: var(--c-entry-2027);
  }
  .header__entry-btn--2028:hover {
    background: var(--c-white);
    border-color: var(--c-entry-2028);
    color: var(--c-entry-2028);
  }
}
.header__entry-btn-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}

.header__entry-year {
  font-family: var(--ff-number);
  font-size: 26px;
  font-weight: 500;
}

.header__entry-label {
  font-family: var(--ff-number);
  font-size: 20px;
  font-weight: 500;
  margin-top: 2px;
}

@media (max-width: 767px) {
  .header,
  .header.header--scaled {
    height: 70px !important;
    border-radius: 0;
    overflow: visible;
  }
  .header__scale-wrap,
  .header.header--scaled .header__scale-wrap {
    position: static;
    width: 100%;
    height: 70px;
    transform: none !important;
  }
  .header__inner,
  .header.header--scaled .header__inner {
    position: relative;
    height: 70px;
    padding: 0 24px;
    max-width: none;
    margin: 0;
  }
  .header__left {
    gap: 14px;
  }
  .header__logo img {
    width: 97px;
  }
  .header__sub {
    font-size: 12px;
    line-height: 17px;
    white-space: normal;
  }
  .header__sub-new {
    display: block;
  }
  .header__nav {
    display: none;
  }
  .header__right {
    position: absolute;
    right: 24px;
    top: 24px;
    width: 32px;
    height: 22px;
    z-index: 2;
    /* 変形時のスムーズな遷移を確保し、内部の線が飛び出さないようにする */
    transition: all 0.25s ease;
  }
  .header__menu-toggle {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    border: 0;
    padding: 0;
    cursor: pointer;
  }
  .header__menu-toggle-line {
    position: absolute;
    left: 0;
    width: 32px;
    height: 2px;
    border-radius: 1px;
    background: var(--c-title);
    transform-origin: center;
    transition: transform 0.25s ease, opacity 0.25s ease, left 0.25s ease, top 0.25s ease;
  }
  .header__menu-toggle-line:nth-child(1) {
    top: 0;
  }
  .header__menu-toggle-line:nth-child(2) {
    top: 10px;
  }
  .header__menu-toggle-line:nth-child(3) {
    top: 20px;
  }
  .header__entry-group {
    display: flex;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    z-index: calc(var(--z-header) - 1);
  }
  .header__entry-btn {
    width: 50%;
    height: 70px;
    border-width: 0;
  }
  .header__entry-year {
    font-size: 26px;
  }
  .header__entry-label {
    font-size: 20px;
  }
  .header__mobile-nav {
    display: block;
    position: fixed;
    left: 0;
    top: 70px;
    width: 100%;
    background: var(--c-white);
    height: calc(100vh - 70px);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: calc(var(--z-header) - 1);
  }
  .header__mobile-menu {
    margin: 0;
    padding: 0;
    list-style: none;
  }
  .header__mobile-item {
    height: 70px;
    border-bottom: 1px solid #cde4d4;
  }
  .header__mobile-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 24px;
    font-family: var(--ff-body);
    font-size: 18px;
    font-weight: 400;
    color: #000;
    text-decoration: none;
  }
  .header__mobile-link::after {
    content: "";
    width: 14px;
    height: 14px;
    border-right: 1.5px solid var(--c-title);
    border-top: 1.5px solid var(--c-title);
    transform: rotate(45deg) translate(-5px, 5px);
  }
  .header.header--menu-open {
    overflow: visible;
    background: var(--c-white);
  }
  .header.header--menu-open .header__right {
    right: 0;
    top: 0;
    width: 70px;
    height: 70px;
    background: #e0f2e2;
  }
  .header.header--menu-open .header__menu-toggle-line:nth-child(1) {
    left: 19px;
    top: 34px;
    transform: rotate(45deg);
  }
  .header.header--menu-open .header__menu-toggle-line:nth-child(2) {
    opacity: 0;
    /* 即座に消える、transitionを使用しない */
    transition: none;
    left: 19px;
    top: 34px;
  }
  .header.header--menu-open .header__menu-toggle-line:nth-child(3) {
    left: 19px;
    top: 34px;
    transform: rotate(-45deg);
  }
  .header.header--menu-open .header__mobile-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .header.header--menu-open .header__entry-group {
    display: none;
  }
}