/* ═══════════════════════════════════════════════════════
   TOKENS
═══════════════════════════════════════════════════════ */
:root {
  --c-orange: #ff693d;
  --c-text: #333333;
  --c-gray: #868686;
  --c-gray-lt: #ebebeb;
  --c-ground: #f6f6f6;
  --c-white: #ffffff;
  --c-dark: #0a0e1c;
  --c-chiba: #22953a;
  --c-kashiwa: #f98509;
  --c-kisarazu: #076aa3;
  --c-story-bg: #1a95c5;

  --grad: linear-gradient(to bottom, #7adff5 0%, #43c3f9 50%, #2a8df3 100%);

  --f-jp: 'Noto Sans JP', sans-serif;
  --f-en: 'Oswald', sans-serif;

  --w-content: 1200px;
  --w-inner: 1840px;

  --sec-py: clamp(80px, 8vw, 140px);
}

/* ═══════════════════════════════════════════════════════
   RESET
═══════════════════════════════════════════════════════ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: var(--f-jp);
  background: var(--c-ground);
  color: var(--c-text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
}
a {
  text-decoration: none;
  color: inherit;
}
ul,
ol {
  list-style: none;
}
button {
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
}

/* ▼module --------------------------------------------------------------*/

/* Visible & Hidden --------------------------------------*/
/* visible-xx-ijo */
@media (max-width: 574px) {
  .visible-sm-ijo {
    display: none !important;
  }
}

@media (max-width: 749px) {
  .visible-md-ijo {
    display: none !important;
  }
}

@media (max-width: 989px) {
  .visible-lg-ijo {
    display: none !important;
  }
}

@media (max-width: 1199px) {
  .visible-xl-ijo {
    display: none !important;
  }
}

@media (max-width: 1399px) {
  .visible-xxl-ijo {
    display: none !important;
  }
}

/* visible-xx-ika */
@media (min-width: 575px) {
  .visible-xs-ika {
    display: none !important;
  }
}

@media (min-width: 750px) {
  .visible-sm-ika {
    display: none !important;
  }
}

@media (min-width: 990px) {
  .visible-md-ika {
    display: none !important;
  }
}

@media (min-width: 1200px) {
  .visible-lg-ika {
    display: none !important;
  }
}

@media (min-width: 1400px) {
  .visible-xl-ika {
    display: none !important;
  }
}

/* hidden-xx-ijo */
@media (min-width: 575px) {
  .hidden-sm-ijo {
    display: none !important;
  }
}

@media (min-width: 750px) {
  .hidden-md-ijo {
    display: none !important;
  }
}

@media (min-width: 990px) {
  .hidden-lg-ijo {
    display: none !important;
  }
}

@media (min-width: 1200px) {
  .hidden-xl-ijo {
    display: none !important;
  }
}

@media (min-width: 1400px) {
  .hidden-xxl-ijo {
    display: none !important;
  }
}

/* hidden-xx-ika */
@media (max-width: 574px) {
  .hidden-xs-ika {
    display: none !important;
  }
}

@media (max-width: 749px) {
  .hidden-sm-ika {
    display: none !important;
  }
}

@media (max-width: 989px) {
  .hidden-md-ika {
    display: none !important;
  }
}

@media (max-width: 1199px) {
  .hidden-lg-ika {
    display: none !important;
  }
}

@media (max-width: 1399px) {
  .hidden-xl-ika {
    display: none !important;
  }
}

/*-parts--------------------------------------*/
.mlr-auto {
  margin-left: auto !important;
  margin-right: auto !important;
}
.align-left {
  text-align: left;
}

.align-right {
  text-align: right;
}
.align-center {
  text-align: center;
}

.align-center-pc {
  text-align: center;
}

@media (max-width: 749px) {
  .align-center-pc {
    text-align: left;
  }
}

.bold {
  font-weight: bold;
}

.img-responsive {
  display: inline-block;
  height: auto;
  max-width: 100%;
}

/* ═══════════════════════════════════════════════════════
   UTILITIES
═══════════════════════════════════════════════════════ */
.container {
  width: 100%;
  max-width: var(--w-content);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 60px);
}
@media (min-width: 1500px) {
  .container {
    padding-inline: 0;
  }
}

.g-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-main {
  position: relative;

  &::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    /* background-image: repeating-linear-gradient(10deg, #0000000d, #0000000d 400px, transparent 400px, transparent 1160px); */

    background-image: repeating-linear-gradient(10deg, #0000000d, #0000000d 400px, transparent 400px, transparent 1100px);
  }
}

/* ── Inner page shared layout ── */
.page-main {
  position: relative;
  overflow: hidden;
  min-height: 60vh;
  padding-bottom: var(--sec-py);
  padding-top: 30px;
}

.common__hero {
  position: relative;
  z-index: 1;
  padding: clamp(48px, 6vw, 96px) 0 clamp(32px, 4vw, 56px);
}

.common__penta {
  position: absolute;
  right: 5%;
  top: 10%;
  pointer-events: none;
  z-index: 0;
  width: 520px;
}
.common__penta svg {
  width: 100%;
  height: auto;
  display: block;
}
@media (max-width: 749px) {
  .common__penta {
    right: -15%;
    top: 5%;
    width: 300px;
  }
}

/* ── Section heading ── */
.sec-head {
  margin-bottom: clamp(32px, 4vw, 56px);
}

.sec-head__en {
  display: inline-block;
  position: relative;
  line-height: 1;
  margin-bottom: 10px;
}
/* .sec-head__en:has(.sec-head__pentagon) {
  padding-right: calc(clamp(24px, 2.8vw, 40px) + 8px);
} */
.sec-head__en-text {
  font-family: var(--f-en);
  font-weight: 700;
  font-size: clamp(56px, 8vw, 96px);
  line-height: 0.9;
  color: #1a1a2e;
  letter-spacing: -0.01em;
}
.sec-head__en-text .g1 {
  background: linear-gradient(to bottom, #7adff5 0%, #43c3f9 50%, #2a8df3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sec-head__pentagon {
  position: absolute;
  top: 0;
  right: -45px;
  top: -20px;
  width: clamp(24px, 2.8vw, 40px);
  height: clamp(24px, 2.8vw, 40px);
}

@media (max-width: 989px) {
  .sec-head__pentagon {
    right: -30px;
  }
}

.sec-head__en--line2 {
  margin-bottom: 0;
  margin-top: -6px;
}
.sec-head__jp {
  font-family: var(--f-jp);
  font-weight: 700;
  font-size: clamp(15px, 1.4vw, 20px);
  color: var(--c-text);
  margin-top: 4px;
}
.sec-head--white .sec-head__en-text {
  color: var(--c-white);
}
.sec-head--white .sec-head__en-text .g1 {
  background: linear-gradient(to bottom, #ffffff 0%, #b3eeff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sec-head--white .sec-head__jp {
  color: rgba(255, 255, 255, 0.85);
}

/* ── CTA button – large ── */
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--c-orange);
  color: var(--c-white);
  border: 3px solid var(--c-white);
  border-radius: 42px;
  padding: clamp(10px, 1.4vw, 18px) clamp(20px, 4vw, 52px);
  font-family: var(--f-jp);
  font-weight: 600;
  font-size: clamp(16px, 1.4vw, 24px);
  box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 4px 8px 16px rgba(0, 0, 0, 0.35);
}
.btn-cta img {
  width: clamp(28px, 2.5vw, 40px);
  height: clamp(28px, 2.5vw, 40px);
  flex-shrink: 0;
}

/* ── CTA button – small ── */
.btn-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--c-orange);
  color: var(--c-white);
  border: 1.5px solid var(--c-white);
  border-radius: 23px;
  padding: 5px 12px;
  font-family: var(--f-jp);
  font-weight: 600;
  font-size: 14px;
  box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
  white-space: nowrap;
  transition: transform 0.15s;
}
.btn-sm:hover {
  transform: translateY(-1px);
}
.btn-sm img {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ── "More" link ── */
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--f-jp);
  font-weight: 600;
  font-size: 14px;
  transition: gap 0.2s;
}
.more-link:hover {
  gap: 10px;
}
.more-link img {
  width: 44px;
  height: 32px;
  object-fit: contain;
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.reveal.is-on {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ═══════════════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════════════ */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: 60px;
  background: transparent;
  transition: background 0.3s;
  z-index: 200;
  display: flex;
  align-items: center;
}
@media (min-width: 1024px) {
  .header {
    height: 80px;
  }
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--w-inner);
  margin-inline: auto;
  padding-inline: clamp(20px, 3vw, 60px);
  gap: 20px;
  height: 60px;
}
@media (min-width: 1024px) {
  .header__inner {
    height: 80px;
  }
}

.header__logo {
  align-self: stretch;
  display: flex;
  align-items: center;
  /* padding: 10px 0; */
}

.header__logo img,
.header__logo svg {
  height: 80%;
  width: auto;
  display: block;
}

@media (max-width: 1023px) {
  .header__logo img,
  .header__logo svg {
    height: 74%;
  }
}

.header__nav {
  display: none;
  align-items: center;
  gap: clamp(20px, 3vw, 48px);
  margin-left: auto;
}
@media (min-width: 1024px) {
  .header__nav {
    display: flex;
  }
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  transition: opacity 0.2s;
}
.nav-item:hover {
  opacity: 0.7;
}
.nav-item__en {
  font-family: var(--f-en);
  font-weight: 500;
  font-size: clamp(14px, 1.2vw, 20px);
  color: var(--c-white);
  white-space: nowrap;
}
.nav-item__jp {
  font-family: var(--f-jp);
  font-weight: 500;
  font-size: 11px;
  color: var(--c-white);
}

.header__cta {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: 40px;
  background: var(--c-orange);
  color: var(--c-white);
  border: 2px solid var(--c-white);
  border-radius: 21px;
  padding: 7px 18px;
  font-family: var(--f-jp);
  font-weight: 500;
  font-size: 14px;
  box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.25);
  white-space: nowrap;
  transition: transform 0.2s;
}
.header__cta:hover {
  transform: translateY(-1px);
}
.header__cta img {
  width: 22px;
  height: 22px;
}
@media (min-width: 1024px) {
  .header__cta {
    display: flex;
  }
}

/* ── Hamburger ── */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
@media (min-width: 1024px) {
  .hamburger {
    display: none;
  }
}
.hamburger__line {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--c-white);
  border-radius: 2px;
  transition:
    transform 0.3s,
    opacity 0.3s;
}
.hamburger.is-open .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.is-open .hamburger__line:nth-child(2) {
  opacity: 0;
}
.hamburger.is-open .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile drawer ── */
.mobile-nav {
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background: rgba(10, 14, 28, 0.97);
  padding: 32px 24px 48px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transform: translateY(calc(-100% - 80px));
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 190;
}
.mobile-nav.is-open {
  transform: none;
}
@media (min-width: 1024px) {
  .mobile-nav {
    display: none;
  }
}

.mobile-nav__item {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 0;
}
.mobile-nav__en {
  font-family: var(--f-en);
  font-weight: 500;
  font-size: 22px;
  color: var(--c-white);
}
.mobile-nav__jp {
  font-family: var(--f-jp);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 2px;
}
.mobile-nav__cta {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--c-orange);
  color: var(--c-white);
  border: 2px solid var(--c-white);
  border-radius: 21px;
  padding: 12px 24px;
  font-family: var(--f-jp);
  font-weight: 600;
  font-size: 16px;
  align-self: flex-start;
}

.mobile-nav__cta img {
  width: 22px;
  height: 22px;
}

/* ── Breadcrumb ── */
.breadcrumb {
  padding-block: 12px;
}
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.breadcrumb__item {
  display: flex;
  align-items: center;
  font-size: 12px;
  color: var(--c-gray);
}
.breadcrumb__item + .breadcrumb__item::before {
  content: '›';
  margin-inline: 6px;
  /* color: var(--c-gray-lt); */
  color: #bfbfbf;
}
.breadcrumb__link {
  color: var(--c-gray);
  transition: color 0.2s;
}
.breadcrumb__link:hover {
  color: var(--c-text);
}
.breadcrumb__item--current {
  color: var(--c-text);
  max-width: 30ch;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Non-front-page main offset (fixed header compensation) ── */
body:not(.home) main {
  padding-top: 60px;
}
@media (min-width: 1024px) {
  body:not(.home) main {
    padding-top: 80px;
  }
}

/* ═══════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════ */
.footer {
  position: relative;
  background: linear-gradient(to right, #1a4e8f 0%, #2a8df3 40%, #43c3f9 70%, #7adff5 100%);
  overflow: hidden;
}
.footer__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
  flex-wrap: wrap;
  max-width: var(--w-inner);
  margin-inline: auto;
  padding: clamp(28px, 4vw, 48px) clamp(20px, 4vw, 60px);
}

.footer__brand {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.5vw, 40px);
}
.footer__logo-svg {
  height: clamp(100px, 12vw, 150px);
  width: auto;
  flex-shrink: 0;
}
.footer__brand a {
  display: inline-flex;
  opacity: 1;
  transition: opacity 0.25s ease;
}
.footer__brand a:hover {
  opacity: 0.65;
}
@media (max-width: 749px) {
  .footer__brand {
    width: 100%;
    justify-content: center;
  }
}
.footer__brand-text {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer__heading {
  font-weight: 700;
  font-size: clamp(14px, 1.2vw, 20px);
  color: var(--c-white);
  line-height: 1.6;
  letter-spacing: 0.04em;
}
.footer__contact-label {
  font-family: var(--f-en);
  font-size: 11px;
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}
.footer__contact {
  font-size: 12px;
  color: var(--c-white);
  line-height: 2;
  letter-spacing: 0.02em;
}

.footer__nav {
  flex: 1;
  min-width: min(100%, 260px);
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2vw, 28px);
}
.footer__nav-row {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 3vw, 48px);
}
@media (max-width: 749px) {
  .footer__nav-row {
    justify-content: center;
  }
}
.footer__privacy-row {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--c-white);
}
.footer__privacy-row a {
  color: var(--c-white);
  transition: opacity 0.2s;
}
.footer__privacy-row a:hover {
  opacity: 0.7;
}

.fnav-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  transition: opacity 0.2s;
}
.fnav-item:hover {
  opacity: 0.65;
}
.fnav-item__en {
  font-family: var(--f-en);
  font-weight: 500;
  font-size: clamp(15px, 1.3vw, 20px);
  color: var(--c-white);
  white-space: nowrap;
}
.fnav-item__jp {
  font-size: 11px;
  color: var(--c-white);
}

.footer__bottom {
  position: relative;
  z-index: 2;
  max-width: var(--w-inner);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 60px);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  padding-block: clamp(14px, 1.5vw, 20px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__copy {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.65);
}
.footer__privacy {
  font-size: 12px;
  color: var(--c-white);
  transition: opacity 0.2s;
}
.footer__privacy:hover {
  opacity: 0.7;
}